Request For Quotation THIS IS NOT AN ORDER - Orpic · Request For Quotation ... 8 MATERIAL...

Request For Quotation

Collective No: 9900009499 Orpic Refineries LLC

Vendor Code: 1000

Vendor Name: Orpic

Vendor Name: Orpic

City:

Country:

P.O. Box: PC:

Contact Person:

Email Address:

Tel No:

Information

THIS IS NOT AN ORDERSubmission Date: 09.11.2016

Floating Date: 03.11.2016

P\C Officer: Abdulaziz Al Ghaithi

Telephone:

Fax:

Email: ABDULAZIZ.ABDULLAH.ALGHAITHI@O

Internal Number: 6000023285

Submission Date & Location

Kindly submit your Quotation on or before 09.11.2016 by 23:59:59 hrs.

If supplier copies the procurement officer while submitting his offer, his bids/offer will be rejected.

Submission Details

Quotations and technical submissions (if applicable) shall be submitted by email to [email protected]. The emailsubject line shall include the RFQ Collective Number. For any further clarifications, please contact the respectiveprocurement officer on the Email printed above. Failure to comply with any of the submission instructions shall result indisqualification of the Quotation.

For Payment concerns, please submit original invoice to Email : [email protected]

[Bidder to complete the following declaration in RFQ submission]

Dear Procurement Officer

Having carefully examined the Request For Quotation (RFQ) and its attached Instructions to Bidders and GeneralConditions for Purchases and Minor Services, we offer to supply the Goods and Services for the Prices submitted in thisQuotation.

We confirm that our Quotation is made in full conformity with the RFQ, the Instructions to Bidders, specifications, GeneralConditions for Purchases and Minor Services and all Clarifications and Addenda issued during the RFQ period.

If our Quotation is accepted and a Purchase Order or Service Order issued by Orpic we agree to deliver the Goods andServices in full accordance with the RFQ and our Quotation.

We agree to abide by this Quotation for a period of ninety (90) days from the Submission Date and it shall remain bindingupon us and may be accepted at any time before the expiration of this period.

Dated _ _ _ _ _ _ _ _ _ .

Page 1 of 11

[email protected]



Signed _ _ _ _ _ _ _ _ _ _ _ _ _.

Name: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

Title: _ _ _ _ _ _ _ _ _ _ _ _

for and on behalf of_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Delivery Details for Goods:-

Delivery Period 10 days

Delivery Location Sohar

Material Test Certificate:-

Material Test Certificate or Conformance Certificate must be supplied by Seller to Orpic on or before Delivery for thefollowing items:- Valves, Pipes, Pipe Fittings, Tubing, Plate Sheet, Gasket, Packing, Insulation, Refectory, Electrical, FillerWires, Bar Stocks, Bolts, Nuts, Paints, Protective Coating, Wrapping, LPG, Steam Hose.

Order Currency:______________

ItemNo.

Material Description Quantity UOM UnitCost

LineCost

10 95022814 VALVE,CHK,1-1/2",800#,A105N,SW-PEN,NRVMfg /Part No:Z2219

4 EA

Mat PO Text:VALVE,CHECK;SIZE:1-1/2IN;PRESSURE RATING:800LB;BODYMATERIAL:ASTM A105N;END CONNECTION:SW WITH PLAINEND NIPPLES;TYPE:NRV;TRIM MATERIAL:13CR+STL6;BONNET TYPE:BB-BG;BONNET MATERIAL:ASTMA105N;DISC MATERIAL:13CR;APPLICATION:REQUIRED FORVALVES,SERIAL NO:PF0801 /PF0802;ADDITIONAL INFORMATION:FFT:SC;MANUFACTURERNAME:KSB;MFR PART NO:Z220019;DWG:V-215B-002-A213A213

PO Item Text:VALVE,CHECK;SIZE:1-1/2IN;PRESSURE RATING:800LB;BODYMATERIAL:ASTM A105N;END CONNECTION:SW WITH PLAINEND NIPPLES;TYPE:NRV;TRIM MATERIAL:13CR+STL6;BONNET TYPE:BB-BG;BONNET MATERIAL:ASTMA105N;DISC MATERIAL:13CR;APPLICATION:REQUIRED FORVALVES,SERIAL NO:PF0801 /PF0802;ADDITIONAL INFORMATION:FFT:SC;MANUFACTURER

Page 2 of 11



ItemNo.

Material Description Quantity UOM UnitCost

LineCost

NAME:KSB;MFR PART NO:Z220019;DWG:V-215B-002-A213A213

20 1/2" STEAM TRAP as per Datasheet 78 EA

PO Item Text: 1/2" STEAM TRAP as per Datasheet and Specification

30 3/4" STEAM TRAP as per Datasheet 17 EA

PO Item Text: 3/4" STEAM TRAP as per Datasheet and Specification

40 4" GATE VALVE ASTM A217 GR.C5 TRIM:13CR 3 EA

PO Item Text: 4" GATE VALVE ASTM A217 GR.C5 TRIM:13CR SEAT:STL CL300FLG:ASME-CL300 RF SMOOTH FINISH API600 BB-BG-OS&YPWHT REQ'D

50 INDUCTION BEND 178 MM RADIUS (HOT BEND) 15 EA

PO Item Text: INDUCTION BEND 178 MM RADIUS (HOT BEND) ASTM A106GR.B SMLS BE PER ASME B36.10M SCH80

60 INDUCTION BEND 229 RADIUS (HOT BEND) AST 12 EA

PO Item Text: INDUCTION BEND 229 RADIUS (HOT BEND) ASTM A106 GR.BSMLS BE PER ASME B36.10M SCH80

70 INDUCTION BEND 121 MM RADIUS (HOT BEND) 20 EA

PO Item Text: INDUCTION BEND 121 MM RADIUS (HOT BEND) ASTM A106GR.B SMLS BE PER ASME B36.10M SCH80

80 DRIP RING CLASS 300 50MM LONG WITH 3/4" 6 EA

PO Item Text: DRIP RING CLASS 300 50MM LONG WITH 3/4" PLAIN END BLEEDAS PER ORPIC STD SPECIFICATION S-000-1360-527

(A)Ex-Works Costs

(B)CIF Costs

(C) Custom Duty

(D) COO Charge

(E) Total Cost (B+C)

Total(In words):

Estimated Weight

Page 3 of 11

Note for Bidders

Scope of Work:

Material specifications shall exactly match as specified in the Piping specification no. S‐000‐1360‐001_R_0001, Specification for Drip Ring S‐000‐1360‐527_R3_0001, Specification for Steam Trap S‐000‐1360‐510_R1_0001, Steam Traps Data Sheet, Strainer Datasheet S‐220‐1360‐301_R2_0002, Specification for Strainers S‐000‐1360‐301_R2_0001, and Pipeclass A1A1, A2A1N, A2A1, H1A2, H2A2, MS02, MS11 as applicable.

Mandatory Requirements:

Bidder must quote for all the materials. Partial quotation will not be accepted Bidder must ensure approval of Material certificates and hydrotest certificates from ORPIC before dispatch.

Delivery Terms:

Material to be delivered within 2 weeks after placement of Order. Ex‐stock materials with proper certificates are preferred. Delivery terms are DDP Incoterms 2010 at Orpic Sohar Refinery warehouse.

09004ed5802219dd_--_A4_--_.doc

JOB No. JGC DOC. No. REV. 0-3100-25 S-000-1360-510 R1

DATE 01 − APR − 2004 SHEET 1 OF 17 PREP’D H. MIHIRA

CHK’D T. KISO

APP’D T. AMEMIYA

TECHNICAL SPECIFICATION

OF

STEAM TRAP/DRAIN TRAP

SOHAR REFINERY COMPANY L. L. C.

SOHAR REFINERY PROJECT

SOHAR, SULTANATE OF OMAN

Reference ITT Doc. No. Rev

N/A

REV. DATE PAGE DESCRIPTION PREP’D CHK’D APP’D

0 01-Apr-2004 All For Review H. M T. K T. A

R 16-Dec-2004 3, 5-17 For Construction (as per OS-JY-E-20421) H. M T. K T. A

R1 31-Oct-2005 All As Built T. U T. Y T. A

PROJECT SPECIFICATION

Sohar Refinery Company SOHAR Refinery Project

AS BUILT

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AS BUILT

JOB CODE: 0-3100-25Sohar Refinery Company SOHAR Refinery Project

DOC NO: S-000-1360-510 rev.R1 Specification of Steam Trap/Drain Trap SHEET : 3 of 17

09004ed5802219dd_--_A4_--_.doc

1 SCOPE (1) This specification covers the minimum requirements Steam Trap/Drain Trap to be applied to for

the SOHAR Refinery Project. (2) The intent of this standard is not to supersede ASME or ANSI/ASME Code, but only to

supplement, amend or limit it as required. 2 APPLICABLE SPECIFICATIONS, CODES AND STANDARDS

2.1 Specifications

S-000-13A0-001 General Specification for Painting S-000-13A0-101 General Specification for Rust Prevention S-000-1360-006 Specification of Flange Face Finish S-000-1420-501 Project Specification for Spare Parts List Preparation S-000-1440-501 Instruction for Vendor’s Documentation S-000-1440-502 Requirements for Electronic Data Submission S-000-1450-001 Project Shipping & Packing Instructions S-000-1520-001 Inspection Coordination Procedure with Vendor S-000-1520-002 Material Certification and Traceability Requirements S-000-1520-005 Non-Conformance Control Procedure with Vendor S-000-1520-006 Inspection Record Book Requirements JGS 499-999-5-02E Control of Monitoring and Measuring Devices, Product Status and Nonconforming Products

2.2 ASME or ANSI/ASME

B1.1 - 1989 Unified Inch Screw Thread (UN and UNR thread form) B1.20.1 - 1983 Pipe Thread, General Purpose (Inch) B16.5 - 1998 Pipe Flanges and Flanged Fittings B16.20 - 2000 Metallic Gaskets for Pipe Flanges-Ring Joint, Spiral-Wound, and Jacketed B16.21 - 1992 Nonmetallic Flat Gaskets for Pipe Flanges B31.3a - 2002 Process Piping B46.1 - 1995 Surface Texture (Surface Roughness, Waviness, and Lay)

2.3 Others Annual Books of ASTM Standards - 2002 Note : Unless otherwise specified, the latest issue of all documents shall be applied 3 DESIGN 3.1 General

Steam trap/drain trap shall be designed in accordance with applicable codes, standards, ATTACHMENT-1 “Data Sheet for Steam Trap” and ATTACHMENT-2 “Data Sheet for Drain Trap”.

3.2 Dimensions of End Flanges

The dimensions of end flanges shall be in accordance with ASME B16.5. 3.3 Strainer

Strainers shall be furnished with all steam traps/drain traps integrally.

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DOC NO: S-000-1360-510 rev.R1 Specification of Steam Trap/Drain Trap SHEET : 4 of 17

09004ed5802219dd_--_A4_--_.doc

3.4 Bonnet Gasket Non-asbestos materials shall be applied to any type of gaskets and packings.

3.5 Facing Finish of End Flange

Facing finish of the end flanges shall be in accordance with S-000-1360-006, “Specification of Flange Face Finish”.

3.6 Weight Indication Approximate weight (kg) shall be indicated in the vendor’s drawings.

4 NON-DESTRUCTIVE EXAMINATION (NDE)

Magnetic particle examination or liquid penetrant examination shall be performed to all welds of bodies.

5 HEAT TREATMENT

When “PWHT” is indicated in the Notes columns of ATTACHMENT-1 “Data Sheet for Steam Trap”, post weld heat treatment shall be performed on all welds in accordance with ASME B31.3.

6 SAFETY FACTOR

The flow rate indicated in Data sheet is net flow rate. Vendor shall incorporate appropriate safety factor of each steam trap in its design, and the safety factor shall be indicated in the vendor’s drawings.

7 IDENTIFICATION OF PRODUCTS Each steam trap/drain trap shall have a nameplate which shall indicate the following items:

(1) Nominal size (2) Rating (3) Material symbol (4) Tag number (5) Manufacture’s name

8 MATERIAL CERTIFICATION AND TRACEABILITY

Material certification and traceability shall be in accordance with S-000-1520-002, and its procedure shall be submitted for purchaser’s approval.

9 PAINTING AND RUSTPREVENTION

Surface painting and rust prevention shall be provided in accordance with paragraph 3.3 of R-216G-510.

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AS BUILT

09004ed5800ae399____A4____.doc

JOB No. JGC DOC. No. REV.

0-3100-25 S-000-1360-001 R

DATE 24 − Jul − 2003 SHEET 1 OF 30

PREP’D S. Ogino S.O

CHK’D T. Yamamoto T.Y

APP’D T. Amemiya T.A

GENERAL SPECIFICATION

OF

PIPING





S-000-1360-001 B


0 24-Jul-2003 All For Approval S.O T.Y T.A

R 17-Jun-2004 4, 11, 24 For Construction (JY-OY-M-20492) A.T T.Y T.A



FOR CONSTRUCTION

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DOC NO: S-000-1360-001 rev. R General Specification of Piping SHEET : 4 of 30

09004ed5800ae399____A4____.doc

1 SCOPE

(1) This Specification covers the General Requirements for piping design to be applied for the SOHAR REFINERY PROJECT.

(2) The intent of this standard is not to supersede ASME piping code, but only to supplement it as

required. 2 GENERAL 2.1 Applicable Codes and Standards

(1) Design code

ASME B 31.3-2002 : Process Piping ASME B 31.1-2001 : Power piping (For piping as part of steam generation system) UOP Standard spec. : 1-14-1 “Steam Heat Tracing” 8-11-9 “Piping” 8-15-3 “Large Catalyst Carrying piping Carbon and Alloy Steel” 8-16-3 “Large Catalyst Carrying piping Austenitic Stainless Steel” 8-20-1 “Strainers” UOP Standard Dwg. : 6-108-3 “Thermowell and Skin Thermocouple Installation Assemblies” 6- 112-1 “Piping Arrangements for Orifice Plate Installations”

(2) Material Specification : ASTM, API. NACE MR-0175 shall apply to the components on applicable lines which require the hardness limitation.

(3) Dimensions

(a) Pipe : ASME or API standard

(b) Fitting : ASME or API standard

(c) Flange : ASME standard

(d) Valve : ASME, API and manufacturer’s standard

2.2 Related Engineering Specifications - Basic Engineering Design Data S-000-1222-001 - Design Criteria for Piping and Instrument Diagrams and S-000-1225-001

Utility Flow Diagrams - Specification of Plant Layout and Spacing S-000-1360-002 - Specification of Piping Material S-000-1360-003 - Specification of Piping Flexibility and Stress Analysis Criteria S-000-1360-004 - General Specification for Cathodic Protection S-000-1387-001 - General Specification of Hot Insulation S-000-1390-001 - General Specification for External Coating of S-000-13A0-102

Underground Steel Pipe

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3 DESIGN GENERAL 3.1 Design Philosophy

The plant, equipment layout and relevant piping arrangement shall be performed in consideration of the following:

(1) Construction and maintenance requirements

Sufficient space shall be provided for the efficient/effective use of mobile equipment for the construction and maintenance work of the plant.

(2) Operational requirements

Easy access for daily operation/maintenance of various instruments, valves etc. shall be assured to enable proper and safe plant operation.

(3) Safety requirements

The roads, access-ways and fire fighting equipment shall be arranged in consideration of space requirement for safety, and advantage to taking prompt action in case of emergency. High risk facilities or equipment handling toxic or hazardous fluid, shall be segregated to minimize involvement of adjacent facilities in an emergency, and prevent further equipment failures. For the detailed criteria, refer to job specification S-000-1360-002.

(4) Plant layout and spacing

Plant layout and spacing for process unit and offsite facilities shall be applied in accordance with job specification S-000-1360-002.

(5) Other requirements

Equipment and piping shall be laid out/arranged to minimize the total length of pipes, especially large-size and low-alloy steel pipes. At the same time, the route of relevant electrical and instrument cables shall be laid out to minimize the total length of cable.

3.2 Piping Design Data

(1) Design Code Piping in plant area shall be designed as per ASME B31.3 unless otherwise specified in P & I Diagram.

(2) P & I Diagram

Piping in Plant area shall be as per P & I Diagram. P & I Diagram shall show the limits of piping by each piping class and code.

(3) Piping Material

Piping material shall be in accordance with the job specification S-000-1360-003 which is developed from and supplemented to UOP specification.

(4) Base elevation for piping design

The base elevation for piping design shall be in accordance with the Basic Engineering Design Data of S-000-1222-001 Para. 9.2.

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(5) Stress analysis design Line stress analysis design shall be conducted in accordance with the job specification S-000-1360-004.

3.3 Composition of Piping System 3.3.1 Composed Materials

(1) Pipes For straight run portions of piping systems, pipes shall be applied.

(2) Elbows and Bends

(a) Change in direction of piping systems shall be made with elbows, bends (cold bend,

high frequency induction bend and/or miter bend).

(b) Long radius elbows shall generally be used for piping of NPS 2 and over, except where design requirements dictate the application of short radius elbows.

(c) In case the Miter Bends are used, they shall be designed and fabricated in accordance

with ASME B31.3. (3) Reducers and Reducing Components

(a) Change in piping sizes shall be made with reducers, reducing couplings, or reducing

flanges.

(b) Reducer shall generally be of concentric type unless otherwise required. (4) Branch connections

(a) Branch connection of piping shall be made with branch materials (components) such as

smooth or fabricated tees, sockolets, threadolets, welding outlets, etc., or welded pipe-to-pipe connection.

(b) The requirements for reinforcement of welded branch connections shall be as given in

ASME B31.3.

(5) Flanges (a) Flanges shall be applied for piping connections at flanged equipment nozzles and

in-line piping elements such as valves, strainers, instruments, etc. However, flanges shall also be provided where frequent dismantling of piping and/or maintenance required.

(b) Flanges shall be minimized in hydrogen service.

(6) Valves

(a) Valves shall be provided in accordance with P & ID for isolation of piping system,

flow control, etc.

(b) Type of valves shall be in accordance with P & ID and piping classes.

(c) “Car sealed open or close” shall be in accordance with P & ID.

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(7) Spectacle blinds, Blanks and Spacers

(a) Spectacle blinds, blanks and spacers shall be installed in accordance with P & ID and piping classes. Size limits of spectacle blinds, blanks and spacers shall be shown below:

• Spectacle Blinds : 12” and smaller or 35 kg and lighter • Blanks and Spacers : 14” and larger or heavier than 35 kg

(b) The thickness of blanks and spacers shall be calculated for each line design conditions

according to ASME B31.3 and it shall satisfy the minimum thickness requirements.

(8) Strainers

(a) Strainers shall be provided as per P & ID requirement.

(b) The element mesh size of strainers shall be in accordance with UOP specification (8-20-1) and machinery vendors recommendation if any.

(c) The pump suction strainer type shall be as per Para. 4.2 unless otherwise specified.

(d) A fine mesh overlay or screen for pump and compressor suction may be installed for

start up if required. This shall be removed or changed to permanent screen after start up operation.

(9) Other specialty items

Other specialty items shall be provided in accordance with P & ID as well as relevant specifications for each item.

3.4 Insulation and Heat Tracing

(1) Application of insulation and heat tracing of piping shall conform to indication on P & ID. (2) The requirement of insulation shall be referred to job specification S-000-1390-001. (3) The personal protection zone at the operation platform shall extend 600 mm horizontally from

periphery of the platform and 2,100 mm vertically above the ground or platform. Any hot piping passing through this zone shall be suitably insulated or covered with barriers, shields or open guards. The applicable temperature for personal protection shall be applied to piping in service 65oC and higher in accordance with specification for hot insulation S-000-1390-001 Para. 3.4.

3.5 Piping Sizes

(1) Nominal pipe size 1-1/4”, 2-1/2”, 3-1/2”, 5”, 7” and 9” shall not be used for metallic piping except in case the size is specified in P & ID or requirement by vendor.

(2) Minimum size of piping components shall be as follows:

Steel piping components : 1/2” NPS Steel tubing : 3/8” NPS

(3) Where unusual sizes are required for connecting to equipment, piping is normally run in the

next larger size after connection has been made unless otherwise restricted by special requirement.

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(4) Piperack or piperack header piping sizes shall maintain min. NPS 2”except auxiliary piping, such as steam tracers to avoid excess deflection. The max. Support spans and max. deflections are specified in Para. 3.9 (2). In case the actual span or deflection exceed these maximum limits, then the additional supports shall be provided.

3.6 Joints

(1) Flanges of piping shall be a minimum in number, and provided only for ease of maintenance and inspection, or where construction or process conditions require.

(2) Socket welded joints shall be limited to size NPS 1-1/2” or less. (3) All galvanized piping shall have threaded or flanged joints. (4) Threaded joints may be used for all size of galvanized piping and following lines in size NPS

2” and smaller.

- Water and air service - Process and utility lines where the maintenance is required such as steam trap connection,

Y-type strainer cleaning connection, instrument connection etc.

But the thread joints shall not be used for lines with hydrogen service.

(5) Butt-welded joints are preferable. (6) Seal welding shall generally not be applied to the screwed connections unless otherwise

specified. Plug for hydrostatic test vent shall be seal welded after test. Orifice flange taps and plugs shall be seal welded where socket weld piping is specified

3.7 Valve Operation

(1) In general, valves shall be located so that they can be operated at grade or from a platform. (2) In case of horizontal stem valves (including hand wheel for gear operation), the height of valve

center shall be kept within 1.8 m from grade or platform. Where possible, valves shall preferably be located 1.2 m above grade or platform. Where the height of a valve stem is more than 1.8 m above grade or the operating floor, operating steps or chain operation shall be provided. However, chain operation shall be minimized and shall not be used for valves 2” NPS and smaller. In case, chain operated valve is used and the chain is at operational access, then a suitable hook shall be provided to hold the chain and prevent it from hanging freely which may otherwise obstruct and cause injury to the operator during an emergency escape.

(3) Minimum access requirements for valves shall be as shown in Appendix 2. (4) In case of vertical stem valves, the maximum hand wheel height shall be 1.35 m above the

operating floor, in general. Where the height exceeds the above mentioned level, an operating step shall be provided.

(5) In case of valves located below platforms, if their hand wheels do not extend beyond the

platform floors, extension stems shall be used. (6) In case of wrench operated valves, it shall be ensured that the adequate clearance shall be

provided for wrench operation. (7) Valves NPS 16” and larger shall be placed in the horizontal plane (horizontal piping) as

practical as possible.

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(8) Motor operated valves shall be provided in accordance with P & I Diagram requirements. (9) APPENDIX 1 of this specification shall be used as a guide.

3.8 Valve Size

(1) Unless otherwise specified in P&ID, pump suction strainers and valves including pump discharge valves shall be sized as follows:

(a) Suction valve size and strainer size are same as line size where pump nozzle size is

same or one size smaller than the line.

(b) Suction valve size and strainer size is one size smaller than the suction line where pump nozzle size is two or three sizes smaller than the line.

(c) In case where the pump discharge line size is 8” and larger, and discharge nozzle is two

or more sizes smaller than discharge line size, check valves and discharge block valves may be a maximum of one size smaller than line size. For line sizes 6” and less the valve shall be same size as the discharge line size.

(2) Valve at control valve manifolds shall be sized in accordance with the following table, unless

otherwise shown on the Piping and Instrument Diagrams: (All dimensions are inches)

Line Size

Control Valve Size

Block Valve Size

By-pass Valve Size

3/4 3/4 3/4 3/4 1 3/4, 1 1 1

1-1/2 3/4 1, 1-1/2

1-1/2 1-1/2

1 1-1/2

2 3/4 1

1-1/2, 2

2 2 2

1 1-1/2

2 3 3/4

1 1-1/2 2, 3

2 2 2 3

1 1-1/2

2 3

4 3/4 1

1-1/2 2

3, 4

2 2 2 3 4

1 1-1/2

2 3 4

6 2 3

4, 6

3 4 6

3 4 6

8 3 4

6, 8

4 6 8

4 6 8

10 6 8, 10

8 10

8 10

12 8 10

10 12

10 12

14 10 12 12 Size is NPS

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3.9 Pipe Support

(1) The loads which shall work on pipe supports, shall be calculated based on the following criteria:

(a) Dead weight of pipe

(b) Gas/Steam/Air : 0

Water : 1.0 (specific gravity) Other Fluids : Each fluid itself shall be used

(c) Valves, safety valves and control valves shall cause concentrated loads

(d) Weight of insulation as per its specific gravity

(2) The support spans of horizontal piping and of vertical piping shall be as shown below:

NPS Maximum

Span

1/2 3.5 m 3/4 4.0 m

1 4.5 m 1-1/2 5.5 m

2 6.0 m 3 7.0 m 4 8.0 m 6 9.0 m 8 10.0 m

10 11.0 m 12 and over 12.0 m

For 12” and over piping, in case the detail calculation is conducted and the result is satisfied, longer span can be applied. These MAX. spans are only for straight lines. Adequate supports shall be provided for the lines with elbows, bends, or concentrated load such as valves.

(3) Supports to be provided to inlet or outlet piping of pumps, compressors and steam turbines

shall be “adjustable” type in case associated piping requires centering adjustment. (4) Supports receiving vertical loads from the high temperature piping may be “spring” type,

depending on the thermal calculation. (5) Supports for piping which is subject to vibrations shall be designed to diminish resonance. (6) Small bore piping is acceptable to be supported from adjacent larger pipe to prevent excess

deflection. (7) All piping shall be adequately supported and restrained so as to prevent undue vibration,

deflection, stresses or loads on equipment. Piping shall be supported from below in preference to hanging from above.

(8) Consideration shall be given to differential expansion between supported and supporting pipe

for intermediate supporting of smaller lines from the larger. (9) Piping sections requiring frequent dismantling shall be provided with permanent supports for

the dismantled conditions.

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(10) All pipe supports, guides, etc. shall be shown on the piping arrangement drawing or isometric drawing.

(11) Piping support shall be capable of carrying the weight of the piping when filled with water

during hydraulic test. In case the line fluid is gas or two phase flow, it is acceptable to provide temporary supports for hydraulic test. In case the line will be tested by pneumatic test, the weight of hydraulic test shall not be considered.

(12) Pipe shoes shall be provided on the horizontal lines with heat insulation. For 1-1/2” and

smaller horizontal lines, shoes need not be provided, instead the bottom half of insulation shall be cut away up to a distance of 300 mm on each side of support. All bare line will be laid directly on pipeway, pipe sleeper and so on except stainless steel bare pipe. Stainless steel plate shall be installed between stainless steel bare pipe and supporting steel.

3.10 Criteria for Thermal Expansion and Uneven Settlement

(1) Thermal stress calculations shall be conducted in accordance with job specification. (2) Steam condensate lines shall be provided with expansion sleeves where necessary. And pipe

expansion loop can also be used where there is no limitation from process requirements. (3) Expansion loops shall principally be used to piping systems to absorb thermal expansion or

contraction. (4) The criteria of piping flexibility and stress analysis shall be applied in accordance with job

specification S-000-1360-004. (5) The use of expansion joints shall be avoided in process unit piping system and their use

requires Owner approval, unless specified in P & ID.

3.11 Force and Moment on Mechanical Equipment All piping systems shall be ensured by means of analyzing for most severe condition, to sustain excess expansion or contraction. When piping system is analyzed, operating temperature of equipment and piping shall be used. Force and moment on mechanical equipment shall not exceed the following conditions.

(1) Vendor’s recommended values. (2) Individual equipment specification (If specified) (3) Applicable codes and standards, as modified by the equipment specifications.

The detail criteria for above are to be in accordance with job specification S-000-1360-004. 3.12 Relief System Piping 3.12.1 General

The design and installation of pressure-relieving systems shall be in accordance with API RP 520 “Design and Installation of Pressure Relieving System in Refinery”.

3.12.2 Open System

In order to protect personnel from hazard and equipment from damage, the location of the atmospheric discharge of flammable and hazardous vapor shall be accurately decided in accordance with the following requirements:

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(1) Atmospheric discharge from vents and relief or safety valves shall be located at least 3 meters

above any platform within 7.5 meters radius. This is not applicable for small cooling water thermal relief valves. Discharge from these valves shall be located to avoid any hazards such as freezing on walkways or platforms.

(2) 9 mm diameter weep hole shall be provided for drainage at a low point of the discharge piping.

3.12.3 Closed System

(1) The outlet line from the relief valve shall be self-draining into the flare header. (2) The outlet piping from the relief valve shall be connected to the top part of the header at a 45

degree angle to the flow direction, but a 1-1/2” NPS or smaller piping may be connected at right angles to the flow direction.

3.13 Piping for Instruments 3.13.1 General

(1) The instruments shall be so located that they will not be exposed to damage during operation, inspection or maintenance of equipment.

(2) All measuring elements shall be installed at locations where exact measurement can be taken,

free from disturbances due to access for operation and maintenance. The positions of instruments shall be selected so that their readings are visible from ground level, platform, ladders or steps.

3.13.2 Pressure Instrument

(1) The piping for pressure instruments shall not be branched off from the bottom side of the line. 3.13.3 Flow Instrument

(1) Orifices shall be installed in horizontal pipes. Where practical, orifices may be installed in a vertical piping with downward flow for liquid, gas and steam.

(2) The minimum straight pipe length for orifice shall be in accordance with UOP standard

drawing 6-112-1 “piping arrangements for orifice plate installations”. 3.13.4 Temperature Instrument

(1) The location of temperature instruments shall be arranged so as to maintain sufficient space for insertion and removal of temperature instruments.

(2) Thermowells shall be located at least ten (10) times the pipe inside diameter downstream from

the mixing point of two (2) different temperature streams. (3) The minimum run pipe size for line installation and elbow installation of thermowells shall be

in accordance with UOP standard drawing 6-108-3 “thermowell and skin thermocouple installation assemblies”.

3.13.5 Control Valve

(1) Control valves shall be located so as to facilitate maintenance and manual operation from the operating floor.

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(2) Control valve shall normally be installed in horizontal piping with the valve stem vertically upward.

(3) Sufficient clearance shall be provided above the diaphragm and below the bottom of the body

for easy maintenance. (4) Control valve shall be located at the place to make easy the operator’s manipulation and close

to process equipment for reliability of operation. If possible and if it does not affect the reliability of operation, then control valve shall preferably be located at the ground level.

(5) All elevated control valves and manifolds shall be located on a platform.

3.14 Drain and Vent

(1) In piping systems, drains shall be provided at low points of all piping, and vents shall be provided at high points of piping as per P&ID requirements or the following requirements (If P&ID does not specify).

(a) Drain

(i) Alloy, stainless, class 900 rating and higher C.S piping, and all rating of H2

service - NPS 3/4” valve with blind flange. (ii) Class 600 rating and lower C.S piping except H2 service - NPS 3/4” valve with

threaded plug (or valve with pipe nipple and cap for PWHT line).

Slide Type Pipe Support

The drain shall be installed to larger pipe. (When large sideof the reducer size is 8” and over, the drain can be installedto the reducer.)

If required, the reducer shall be installed to closeto the bypass line, in principle.

The reducer shall be installed at a minimum distance from the control valve.(In the case of wafer type, attention shall be given to bolt length.) The reducers shall install bottom flat or top flat considering pipingconfiguration to avoid drain and vent pocket. In above configuration, they shall be bottom flat.

Fixed Type Pipe, Support

250 Min.

(Ecc.) (Ecc.)

(Conc.)(Conc.)

BOPMin.

500 (As a rule)

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(b) Vent

(i) Alloy, stainless, class 900 rating and higher C.S piping and all rating of H2 service - NPS 3/4” valve with blind flange.

(ii) Class 600 rating and lower C.S piping except H2 service - NPS 3/4” valve with

threaded plug (or valve with pipe nipple and cap for PWHT line). (iii) Required for hydrostatic testing purposes, alloy, stainless, class 900 rating and

higher C.S piping - NPS 3/4”blind flange. (iv) Required for hydrostatic testing purposes, class 600 rating and lower C.S piping -

NPS 3/4” threaded plugged (to be seal welded after testing).

Note: 1. Where run pipe size is NPS 1/2”, the size of drain or vent valves shall be NPS 1/2”.

2. Applied valve type shall conform to P&ID and/or material specification

requirements.

(2) Equipment drains shall be terminated up to nearest drain funnels when it is specified in the P & I Diagram.

3.15 Utility Station (Hose Station)

(1) Utility station shall be provided at 30 m intervals around the vessels and ground. (2) Fluids : Water, air and steam (nitrogen , if necessary)

All items shall be terminated with hose connections (3) Size : Water, air, nitrogen·············· NPS 3/4”

Steam ·································· NPS 1” (4) Hose connections shall be installed in the order of, nitrogen (if required), air, water and steam

from left to right, facing to a utility station. (5) Utility stations on elevated platforms (for equipment structure, vessels, and towers) shall be

provided for equipment man hole and heat exchanger, AFC maintenance. (Refer to S-000-1225-001 Para. 2.15 (4).)

(6) The hose racks and hoses shall be provided at each utility station on ground. The hose racks

and hoses are not provided at utility stations at elevated platforms. (7) The hose length and material shall be as follows.

Length 15 M for steam 15 M for water and air (common use) 15 M for Nitrogen Material Weather and abrasion resistant rubber with double braid textile or synthetic reinforced hose 3.16 Eye Washer and Shower

Eye washer and shower shall be installed at locations conveniently accessible in an emergency.

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3.17 Under-Ground Pressurized Piping

(1) Under-ground piping shall be laid at depths appropriate for the various loads. Minimum earth cover (from low point) shall conform to the following: (a) Concrete pave area : 300 mm (b) Unpaved area : 400 mm (c) Road crossing : 600 mm

(2) Under-ground piping under roadways shall be installed in carbon steel pipe sleeves or installed

directly by confirming structural integrity. Spacers (guide plate) shall be used between carried pipe and sleeve, if pipe support is required in the length of sleeve pipe.

(3) Cathodic protection shall be applied in accordance with general specification for cathodic

protection, S-000-1387-001. (4) Insulated piping shall be provided with sleeve pipe. Spacers shall be used between carried

pipe and sleeve, if pipe support is required in the length of sleeve pipe. (5) All steel pressurized piping located underground shall be coated (fusion bonded epoxy or

polypropylene) for external corrosion protection. Refer to S-000-13A0-102. (6) In event of parallel runs, the minimum clearance between an U/G pipe and other U/G objects

shall be 300 mm or pipe diameter (larger pipe in case of another U/G pipe) whichever is smaller. If the clearance is smaller than 300 mm, its constructability shall be confirmed.

3.18 Trench Piping

(1) The use of trenches shall be avoided in hazardous area as far as possible. (2) Where it is required to install process piping underground inside the plot limits, e.g. in case of

pump suction lines to eliminate vapor pockets, the line shall be laid in concrete trenches. (3) The minimum clearance between the top of sleepers and the bottom of concrete trench shall be

75 mm. (4) The clearance between the top of piping and bottom face of the trench cover shall be kept min.

50 mm. 3.19 Sample Connection

(1) Liquid sample connections shall not be installed at the bottom of horizontal piping, nor located at the dead ends of piping.

(2) Gas sample connections shall be located at the top of a horizontal run piping or at the side of

vertical piping. (3) Sample piping shall be as short as possible. (4) The sample connections shall be located for easy access from grade (grade preferred) or fixed

platform.

(5) Type of sampling connections and sample coolers, where required, shall be in accordance with the P&I Diagram.

3.20 Utility Piping

(1) All branch piping from utility headers (steam, steam condensate, water, air, nitrogen, fuel gas, fuel oil, etc.) shall be taken from the top of the header to prevent plugging, however, water branch piping of 3” NPS and larger may be taken from the bottom of the header.

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(2) Isolation valve onto branch line whose size is 1-1/2” NPS and smaller will be provided. However, in the case users are only utility stations, no need to provide isolation valve on each branch line, if main header has isolation valve. Refer to S-000-1225-001 Para. 2.2.2.

(3) Main steam line and steam subheader line shall be provided with drip legs (boots) near the

downstream end of drain pockets, header ends and at the locations specified in P & ID. 3.21 Minimum Clearance 3.21.1 Minimum Clearance between Pipes/Valves

(1) For non-insulated piping, a minimum clearance of 25 mm shall be provided between the outside diameter of pipe flanges and adjacent pipes or a minimum clearance of 75 mm shall be provided between the outside surface of pipes. For insulated piping, the insulation thickness shall be taken into consideration.

(2) The minimum clearance between pipes which are subject to expansion and contraction shall be

determined on a case-by-case basis. (3) The minimum clearance between valve handwheels shall be 100 mm.

3.21.2 For overhead piping, the following minimum vertical clearance between finished grade (or top of

floor plate) and the bottom of the piping, or support beam (whichever controls) shall be maintained:

(1) Over Roadway 6.0 m (2) Pipe Rack (with truck access) 4.5 m

(Unit main pipe rack that runs through (4.0 m clear in width for 10 m or the center of process units) 8 m wide piperack) (3.0 m clear in width for 6 m wide piperack)

(3) Pipe Rack (without truck access) 3.0 m

(Sub pipe rack (a branch pipe rack) that runs from unit main pipe rack)

(4) Above Walkways and Elevated Platforms 2.1 m

3.21.3 Equipment, structures, platforms, piping and its supports shall be arranged to provide the following

minimum horizontal clearances:

(1) Operation and maintenance side of control panels 0.75 m

(2) Operating Aisles 0.75 m (3) At shell cover end of exchangers at grade, for access way 0.75 m (4) Maintenance platform at channel end of elevated exchangers 1.0 m (5) Maintenance platform at shell cover ends of elevated exchanger 0.75 m (6) In front of manholes 1.0 m (7) Pinch points on passageways at grade and on elevated platforms 0.75 m

(0.75 m remains in areas cutside of pinch points) (8) Between pump extremities, including piping of adjacent pumps 0.75 m (9) Between extremities, including insulation, of paired exchangers or vessels 0.75 m

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(10) Aisles between piping and other obstructions where frequent 0.75 m access is not required

3.21.4 Minimum clearance between the finished grade and bottom of Piping or insulation shall be:

(1) Under low level piping in paved or unpaved areas 0.3 m (2) Under drain piping 0.15 m

However a minimum vertical clearance of 300 mm from grade is not necessarily kept for sleeper piping without drain valve. When low level piping is in the access, a steel step shall be provided.

3.22 Accessibility

For minimum accessibility requirements, please refer to Appendix 2.

3.23 Pipe through Floors

All piping that is to pass through the platforms or floors shall be passed through pipeholes. Minimum size of the holes shall conform to the following table. However, efforts shall be exerted in the piping design to minimize the use of such arrangement.

Hole Diameter Nominal

Pipe Size Un Insulated (mm) Insulated

1/2” 130 3/4” 130 1” 130

1-1/2” 150 2” 160 3” 190 4” 210 6” 270 8” 320

10” 370 12” 420 14” 460 16” 510

When the piping is to be insulated, fractions of the insulation thickness shall be rounded off upwards in 10 mm and added to the pipehole diameters.

18” 560 20” 610 24” 710

3.24 Pipe through Dike

(1) Sleeve pipe shall be provided for the piping through dike. (2) No cathodic protection shall be applied to the carrier pipe and sleeve through dike. (3) Spacers shall be used between carrier pipe and sleeve when pipe support is required in the

length of sleeve pipe.

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3.25 Foundation Height The minimum height of foundations supporting steel bases, including structure columns, pipe supports, process equipment, vessels and towers shall conform to the following: (1) Pumps : 200 mm (2) Piping supports : 50 mm (3) Tanks : 300 mm (4) Other : 150 mm

3.26 Escape Ladders Criteria for providing escape ladders shall conform as follows: (1) Piperack : when the dimension of the floor/walkway in any straight line excess 30 m (2) Structures : when the dimension of the floor/walkway in any straight line excess 30 m

4 PIPING AROUND EQUIPMENT 4.1 Tower and Drum Piping

(1) Manholes of the towers and vertical type drums shall be provided on the maintenance side, while piping shall be arranged on the other side. Instruments shall be located in the appropriate location for operation.

(2) Piping connected to towers shall, in principle, be arranged in consideration of facilitating easy

supporting. (3) Piping and their supports shall be arranged in consideration of thermal expansion of the tower

and drum. (4) Minimum clearance between the first stage platform and ground level shall be a minimum of 3

m. (5) Platforms shall be arranged so that the vertical distance between upper and lower platforms

does not exceed 8 m. (6) In general, circular platforms with adequate space shall be mounted on the top of the towers

and vertical type drums. Width of the platforms shall be 1,000 mm - 1,500 mm where access is provided for manholes, valve, instruments, etc., and shall be 1,000 mm where it is only for ladder landing. Vertical distance between the Platform and center-line of manholes shall be generally 700 mm - 1,200 mm and normally 800 mm.

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4.2 Piping for Rotating Machines

(1) General

(a) Sufficient flexibility and adequate support shall be provided for piping which serves rotating machines, to minimize stresses applied on nozzles of the machine which might influence the proper installation alignment or internal clearances of the machine, or jeopardize the trouble-free operation of the machine.

(b) Connecting piping for rotating machines shall be arranged so that internal elements and

casing sections of the machine can be removed for maintenance without interference with the connecting piping. The break flanges shall be provided when the maintenance is impossible without them.

(c) When the piping shall be supported from grade, adjustable pipe supports shall be used,

and shall not be supported from maintenance areas.

(2) Pumps

(a) Pump suction piping shall be designed to avoid the formation of vapor pockets. Where a reducer is required in horizontal pump suction piping, an eccentric reducer shall be installed with the flat on top. The suction lines of pumps shall be arranged as short and direct as possible.

(b) The length of straight run pipe between elbow and pump suction nozzle in the

horizontal suction lines of a double suction pump shall be at least 5 times the pipe diameter. Where a reducer is installed between a pump nozzle and a horizontal elbow in a pump suction line, the reducer shall be considered as a part of straight run pipe.

(c) Piping arrangement shall permit insertion and removal of permanent and temporary

strainer internals without disturbing machine installation alignment.

(d) The design and location of permanent strainers shall be such as to permit cleaning without removing the strainer body.

(e) Type of strainers used in pump suction piping shall be as follows.

NPS 2”and smaller size - Y type (Flanged, Socket weld or thread connection in accordance with applicable piping class) NPS 3” and larger size - T type (Butt weld connection. Flanged connection only for galvanized piping class) Generally the Bathtub style is used for T type strainer. The each strainer type will be identified in specification or requisition.

(f) Strainer body material shall be applied corresponding to its piping material.

Bathtub style

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(g) Maximum efforts shall be made to locate the piping at the pump side for ease of maintenance work.

(h) All supports shall be of the adjustable type in case the pumps require centering adjustment.

(3) Compressor

(a) Special attention shall be given to reciprocating compressor piping, taking into

consideration the effects of vibration and pressure pulsation, to prevent fatigue failure.

(b) The piping around compressor shall be arranged to prevent excessive force and moment effecting on to the nozzle.

(c) Centrifugal compressor suction piping shall be designed to ensure that the

configuration of the piping and the length of straight pipe at inlet nozzle is in accordance with vendor recommendation and will not adversely affect the compressor performance.

4.3 Heat Exchanger Piping

(1) Shell and tube heat exchanger

(a) Piping shall be arranged so as to allow removal of channel covers and tube bundle and give easy access for bolting. Break flanges shall be provided when the maintenance is impossible without them.

(b) If practicable, symmetrical piping is desirable for the inlet piping of the heat

exchangers having plural inlet nozzles.

(c) The configuration of piping connected to the respective heat exchangers of the same item arranged in parallel shall be symmetrical.

Strainer

If the valve is large and handlinglocation is high.

DischargeSuction

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(d) Installing elevation are as below. (e) Locations of valves and orientations of thermometers around heat exchangers. (f) Piping supports Adequate supports shall be provided to lines around heat exchangers.

Thermometer

Approx.1,400 mm

High Point of Paving

StandardHeight

Thermometer

Supported by Stanchion

Bottom of Pipe

Min. 150mmOperating Level Min. 500mm

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(2) Air cooled heat exchanger

(a) All piping connecting to an air cooled heat exchanger, especially the inlet line, shall have sufficient flexibility and adequate support to ensure that, under no circumstance, the nozzles of the air cooled heat exchanger shall be subject to excessive stress and moment beyond allowable range.

(b) Piping around air cooled heat exchangers with multi-bundles, shall be arranged to

ensure even flow distribution.

(c) Access way for inlet/outlet nozzle and fan motor of air cooled heat exchanger shall be provided.

4.4 Furnace Piping

(1) Arrangement of piping for burners shall be performed considering easy insertion and removal of firing torches, burners and burner guns. Furthermore, the piping shall not obstruct observation windows, access doors, header box covers and the tube removal area.

(2) The valves in the fuel supply piping to the burner and valves for steaming out, shall be located

close to the furnace observation windows and shall be convenient for burner ignition and heater control.

(3) Piping for multi-pass furnaces shall be arranged symmetrically, if no valves to adjust flow rate

are provided in the piping. (4) Snuffing steam valves shall be located 15m from furnace in consideration of facilitating quick

access from the control room as well as ensuring a safe distance from the furnace. 4.5 Tank Farm Piping

(1) Piping in tank dikes shall take the shortest possible route to the main pipeway. (2) Piping shall be arranged to enable the absorption of nozzle displacement caused by tank

settlement, or piping displacement caused by nozzle rotation due to tank shell deformation. (3) Piping passing through dikes shall be adequately protected against external corrosion, and shall

be capable of absorbing any possible movement of piping due to thermal expansion and contraction.

(4) Proper sealing shall be provided to the piping passing through dikes. (Refer to Para. 3.24.) (5) Piping inside tank dikes shall not obstruct to heavy equipment’s maneuver.

4.6 Pipetrack (Pipe Sleeper) and Piperack Piping

(1) In process units all piping shall be run overhead and grouped in banks wherever feasible, with the exception of large seawater lines, fire water, potable water line to safety showers and drinking fountains and drain lines.

(2) Large sized or heavy weight piping on racks (road-bridge) shall primarily be laid on the sides. (3) Reducers to be used on racks or sleepers shall be of the eccentric type to maintain constant

elevation of the pipe bottom. (4) The minimum pipe size and supporting requirement shall be as per Para. 3.5 (4).

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4.7 Jacketed Piping 4.7.1 Jacketing Methods

In cases where piping is to be jacketed, the entire piping system (including straight runs, fittings and valves) shall be jacketed, unless otherwise specified on P&ID.

4.7.2 Heating Medium

(1) The heating medium to be used in jackets shall be steam normally. (2) Steam shall be supplied from a point higher than the jacket and traps shall be provided at low

points. (3) Connection piping to jackets shall have the same size as that of the steam supply piping.

4.7.3 Precautions to be taken with Respect to Jacketed Piping

(1) Since thermal stresses will be caused by the differences in material and temperature between the inner and outer pipes in usual cases, consideration shall be given to this point.

(2) Expansion loops shall be used as a measure against excess stresses in the inner and outer pipes. (3) No pockets/dead ends shall be provided at the end of the process piping or at branches. (4) Air pockets and drain pockets shall be avoided as far as practicable. In cases where they

cannot be avoided, vents or traps shall be provided. (5) For detail design and fabrication, please refer to job standard drawing D-000-1360-057, 058

and 059. 4.8 Steam Trace Piping

Steam trace shall be designed in accordance with UOP standard specification 1-14-1 “Steam Heat Tracing”.

5 PIPING DRAWING 5.1 Plan and Each Isometric Drawing

Orthographic drawing which shows piping general arrangement will be called “Plan Drawing”. Isometric drawing which shows one line(all piping 1/2” larger) will be called “Each Isometric Drawing”.

5.2 Preparation of Plan and Each Isometric Drawing

Piping plan and each isometric drawing shall be prepared by extracting them from the PDS-3D model utilizing Intergraph’s PDS-3D soft ware.

5.3 Scale

Scale shall be as follows:

(1) Process and utility unit

(a) Plan drawing 1/30, 1/60

(b) Each isometric drawing Non scale

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(2) Off-site and common piperack piping

(a) Plan drawing 1/30, 1/60, 1/100, 1/200

(b) Each isometric drawing Non scale 6 PRESSURE TESTING 6.1 Pressure Testing Method

Hydrostatic testing shall be applied to lines in accordance with ASME B31.3 Para.345.4, except for the following items: (1) Utility and other lines defined clearly from its service name

(a) Instrument Air Pneumatic (b) Deleted Deleted (c) Flare Pneumatic (d) Deleted Deleted

(2) Deleted (3) Process lines insulated or lined on their inside Pneumatic (4) Process lines which hydrostatic testing is not recommended

due to technical reasons, such as those for cold service use, etc. Pneumatic (5) Large diameter tower overhead lines (18” and larger) shall be pre-assembled at grade level and

hydrotested prior to erection and last welds shall be handled as so called ‘golden welds’ which RT for butt weld and PT for socket weld will be applied.

(6) Sea cooling water lines of FRP shall be hydrotested at 1.5 times operating pressure. Note: For “Pneumatic”, ASME B31.3 Para.345.5 shall be applied.

6.2 Application of Pressure Testing After completion of the piping installation and NDE work, the field fabricated piping shall be subjected to pressure test, except for the following cases: (1) The weld joint which can not be subjected to pressure test shall be examined by PT and/or RT

for BW. (2) RT for BW and PT for SW will be applied to welded piping connection with equipment.

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(3) The final connection (joint) with piping for the special case such as piping around the dress-up

towers will be tested by RT for butt weld and PT for socket (fillet) weld.

Dress-up

RT or PT (Final Connection)

Pressure Testing Separately

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APPENDEX 1

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APPENDIX 2 (1/2)

MINIMUM ACCESS REQUIREMENTS

Minimum Access Requirements Neces-sity of

Permanent platform

Remarks

Objects (1.8 m over above ground

or above platforms) access With stairway

With ladder

[Valve] ≥ NPS 3 YES (3) 1. Valves

requiring frequent manipulation

≤ NPS 2 YES (4)

Equipment drains/vents

YES

Line drains/vents

(1)(7)

For spared equipment YES (3)(4)

2. Valves not requiring frequent manipulation

Others YES (3) (4) (1) 3. Valves not requiring

manipulation including utility, flare and other header root valves for branches

NO Construction and non-routine maintenance purpose only eg. hot tap valves

4. Valves requiring quick operation during plant operation

YES (2) Valves so specified on P & ID

5. Remote operation valves YES Emergency shut-down valve, etc.

6. Battery limit valve station YES (3) 7. Block valves for instrument connection YES (1)(7)(8) 8. Isolation valves of steam traps for trap

maintenance YES

[Other Piping Element] 1. Special piping components requiring

maintenance and replacement YES (1)

2. Special piping components not requiring maintenance

NO

Operation YES 3. Blanks Maintenance YES (1)(7) Temporary access with

scaffolding also acceptable

4. Spring supports NO [Instruments]

detecting element NO Connection Point 1. Pressure Instruments local gauge YES

detecting element NO Thermowell 2. Temperature Instruments local gauge YES

detecting element YES Float in displacer, etc. 3. Level Instruments local gauge YES

detecting element YES (1)(8) 4. Flow Instruments local gauge YES

5. Transmitters with local indication YES without local indication YES (1)

For local indication which requires daily operation

6. Safety valves YES (1) 7. Control valves YES

Perma-nent

ladder

Movable Ladder

or Stand

(6)

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APPENDIX 2 (2/2)

MINIMUM ACCESS REQUIREMENTS (continued)

Minimum Access Requirements Permanent platform

Remarks


or above platforms)

Neces-sity ofaccess With

stairwayWith

ladder

Perma-nent

ladder

Movable Ladder or

Stand

[Equipment]

1. Towers/Vessels YES To top platform, if necessary

2. Compressors/Turbines YES For elevated objects 3. Air Coolers YES To header box and motors4. Cooling towers YES To motors on top

5. Heaters YES To burners and peeping holes

6. Elevated stacks YES To igniter, if necessary 7. Manholes on equipment YES (9) (9) 8. Handholes on equipment YES (9) (9) 9. Equipment nozzles YES (9) (9) [Operation Devices] 1. Local sampling points YES (5) 2. Elevated hydrants/monitors YES

Notes: (1) Movable ladders and stands (platforms) can be applied for the objects whose operation height is

less than or equal to 4.5 m from ground or equipment structure platforms. (2) The objects shall generally be provided on ground. If the objects are provided on permanent

platforms located more than 1.5 m above ground, stair access shall be provided. When height of the platform is less than or equal to 1.5 m, ladder access may be substituted for stair access.

(3) Extended stem valves and chain operated valves, or extension handle of valves can be applied,

if the valves of NPS 3 and larger can not be located within the reach from the platform. (4) For NPS 2 and smaller, permanent ladder access is acceptable. (5) For local sampling points which will be manipulated frequently, stair access shall be provided,

if the platform is located more than 1.5 m above ground or more than 1.5 m above stair access platform.

(6) For integral type flanged flow instruments such as variable area flow meter, positive

displacement flow meter, magnetic flow meter, turbine meter, etc., permanent platform with ladder access shall be provided as a minimum access requirement.

(7) Access is not required for piping on pipe rack, sub pipe rack or pipe track. (8) For orifice flanges and tap valves the instruction in Appendix 3 shall be followed. (9) Permanent platform is not required for shell and tube heat exchangers.

Minimum clearance between the first stage platform and ground level shall be 3.0m. (10) Stair way is required for the structures locating multiple mechanical equipment.

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APPENDIX 3 (1/2)

ACCESS REQUIREMENT FOR ORIFICE FLANGES 1. PROVISION OF ACCESS PLATFORM Orifice flanges shall be accessible either from existing platform/or from grade.

If this is not applicable, additional platform for orifice flanges shall be provided except for the case stated in Para. 3.

2. PROVISION OF ADDITIONAL PLATFORM ON THE PIPE RACK 2.1 General Application

Minimum distances to be maintained for locating the orifice flanges, shall be as shown in the following figure.

If orifice flanges are located higher than 4.5 m elevation from grade, additional platform shall be provided with the following requirement.

Fluid of Service Provision of additional platform Liquid and steam : Underneath of orifice flanges Gas and vapor : Above the orifice flanges

ORIFICE FL’G

PIPE RACK

PLAN

ORIFICE FL’G

MIN.

MIN.

MIN.MIN.

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APPENDIX 3 (2/2)

ACCESS REQUIREMENT FOR ORIFICE FLANGES (continued) 2.2 Around Unit Battery Limit

Regardless of installation level (elevation) of orifice flanges, additional platform is required underneath of orifice flanges.

3. WITHOUT ACCESS PLATFORM

The following location of orifice flanges are acceptable without platform access regardless of the above.

3.1 Pipe Rack Piping (applying to liquid and steam service)

If orifice flanges are located 4.5 m and lower elevation from grade, additional platform is not required (access by temporary ladder).

3.2 Other than Piperack Piping (applying to all fluid of services)


ORIFICE FL’G MIN. 200 MIN. 200 ORIFICE FL’GORIFICE FL’G

500 PIPE RACK(FOR INSTALLATION OF INSTRUMENT ASSEMBLY)1000

ACCESS PLATFORM

VIEWPLAN

ORIFICE FL’G

MIN.PIPE RACK

4.5 m

ORIFICE FL’G

GRADE PLAN

DETAIL

4.5 m

ORIFICE FL’G

GRADE

DETAIL

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JOB No. JGC DOC. No. REV.

0-3100-25 S-000-1360-001 R

DATE 24 − Jul − 2003 SHEET 1 OF 30

PREP’D S. Ogino S.O

CHK’D T. Yamamoto T.Y

APP’D T. Amemiya T.A

GENERAL SPECIFICATION

OF

PIPING





S-000-1360-001 B


0 24-Jul-2003 All For Approval S.O T.Y T.A

R 17-Jun-2004 4, 11, 24 For Construction (JY-OY-M-20492) A.T T.Y T.A



FOR CONSTRUCTION

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1 SCOPE

(1) This Specification covers the General Requirements for piping design to be applied for the SOHAR REFINERY PROJECT.

(2) The intent of this standard is not to supersede ASME piping code, but only to supplement it as

required. 2 GENERAL 2.1 Applicable Codes and Standards

(1) Design code

ASME B 31.3-2002 : Process Piping ASME B 31.1-2001 : Power piping (For piping as part of steam generation system) UOP Standard spec. : 1-14-1 “Steam Heat Tracing” 8-11-9 “Piping” 8-15-3 “Large Catalyst Carrying piping Carbon and Alloy Steel” 8-16-3 “Large Catalyst Carrying piping Austenitic Stainless Steel” 8-20-1 “Strainers” UOP Standard Dwg. : 6-108-3 “Thermowell and Skin Thermocouple Installation Assemblies” 6- 112-1 “Piping Arrangements for Orifice Plate Installations”

(2) Material Specification : ASTM, API. NACE MR-0175 shall apply to the components on applicable lines which require the hardness limitation.

(3) Dimensions

(a) Pipe : ASME or API standard

(b) Fitting : ASME or API standard

(c) Flange : ASME standard

(d) Valve : ASME, API and manufacturer’s standard

2.2 Related Engineering Specifications - Basic Engineering Design Data S-000-1222-001 - Design Criteria for Piping and Instrument Diagrams and S-000-1225-001

Utility Flow Diagrams - Specification of Plant Layout and Spacing S-000-1360-002 - Specification of Piping Material S-000-1360-003 - Specification of Piping Flexibility and Stress Analysis Criteria S-000-1360-004 - General Specification for Cathodic Protection S-000-1387-001 - General Specification of Hot Insulation S-000-1390-001 - General Specification for External Coating of S-000-13A0-102

Underground Steel Pipe

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3 DESIGN GENERAL 3.1 Design Philosophy

The plant, equipment layout and relevant piping arrangement shall be performed in consideration of the following:

(1) Construction and maintenance requirements

Sufficient space shall be provided for the efficient/effective use of mobile equipment for the construction and maintenance work of the plant.

(2) Operational requirements

Easy access for daily operation/maintenance of various instruments, valves etc. shall be assured to enable proper and safe plant operation.

(3) Safety requirements

The roads, access-ways and fire fighting equipment shall be arranged in consideration of space requirement for safety, and advantage to taking prompt action in case of emergency. High risk facilities or equipment handling toxic or hazardous fluid, shall be segregated to minimize involvement of adjacent facilities in an emergency, and prevent further equipment failures. For the detailed criteria, refer to job specification S-000-1360-002.

(4) Plant layout and spacing

Plant layout and spacing for process unit and offsite facilities shall be applied in accordance with job specification S-000-1360-002.

(5) Other requirements

Equipment and piping shall be laid out/arranged to minimize the total length of pipes, especially large-size and low-alloy steel pipes. At the same time, the route of relevant electrical and instrument cables shall be laid out to minimize the total length of cable.

3.2 Piping Design Data

(1) Design Code Piping in plant area shall be designed as per ASME B31.3 unless otherwise specified in P & I Diagram.

(2) P & I Diagram

Piping in Plant area shall be as per P & I Diagram. P & I Diagram shall show the limits of piping by each piping class and code.

(3) Piping Material

Piping material shall be in accordance with the job specification S-000-1360-003 which is developed from and supplemented to UOP specification.

(4) Base elevation for piping design

The base elevation for piping design shall be in accordance with the Basic Engineering Design Data of S-000-1222-001 Para. 9.2.

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(5) Stress analysis design Line stress analysis design shall be conducted in accordance with the job specification S-000-1360-004.

3.3 Composition of Piping System 3.3.1 Composed Materials

(1) Pipes For straight run portions of piping systems, pipes shall be applied.

(2) Elbows and Bends

(a) Change in direction of piping systems shall be made with elbows, bends (cold bend,

high frequency induction bend and/or miter bend).

(b) Long radius elbows shall generally be used for piping of NPS 2 and over, except where design requirements dictate the application of short radius elbows.

(c) In case the Miter Bends are used, they shall be designed and fabricated in accordance

with ASME B31.3. (3) Reducers and Reducing Components

(a) Change in piping sizes shall be made with reducers, reducing couplings, or reducing

flanges.

(b) Reducer shall generally be of concentric type unless otherwise required. (4) Branch connections

(a) Branch connection of piping shall be made with branch materials (components) such as

smooth or fabricated tees, sockolets, threadolets, welding outlets, etc., or welded pipe-to-pipe connection.

(b) The requirements for reinforcement of welded branch connections shall be as given in

ASME B31.3.

(5) Flanges (a) Flanges shall be applied for piping connections at flanged equipment nozzles and

in-line piping elements such as valves, strainers, instruments, etc. However, flanges shall also be provided where frequent dismantling of piping and/or maintenance required.

(b) Flanges shall be minimized in hydrogen service.

(6) Valves

(a) Valves shall be provided in accordance with P & ID for isolation of piping system,

flow control, etc.

(b) Type of valves shall be in accordance with P & ID and piping classes.

(c) “Car sealed open or close” shall be in accordance with P & ID.

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(7) Spectacle blinds, Blanks and Spacers

(a) Spectacle blinds, blanks and spacers shall be installed in accordance with P & ID and piping classes. Size limits of spectacle blinds, blanks and spacers shall be shown below:

• Spectacle Blinds : 12” and smaller or 35 kg and lighter • Blanks and Spacers : 14” and larger or heavier than 35 kg

(b) The thickness of blanks and spacers shall be calculated for each line design conditions

according to ASME B31.3 and it shall satisfy the minimum thickness requirements.

(8) Strainers

(a) Strainers shall be provided as per P & ID requirement.

(b) The element mesh size of strainers shall be in accordance with UOP specification (8-20-1) and machinery vendors recommendation if any.

(c) The pump suction strainer type shall be as per Para. 4.2 unless otherwise specified.

(d) A fine mesh overlay or screen for pump and compressor suction may be installed for

start up if required. This shall be removed or changed to permanent screen after start up operation.

(9) Other specialty items

Other specialty items shall be provided in accordance with P & ID as well as relevant specifications for each item.

3.4 Insulation and Heat Tracing

(1) Application of insulation and heat tracing of piping shall conform to indication on P & ID. (2) The requirement of insulation shall be referred to job specification S-000-1390-001. (3) The personal protection zone at the operation platform shall extend 600 mm horizontally from

periphery of the platform and 2,100 mm vertically above the ground or platform. Any hot piping passing through this zone shall be suitably insulated or covered with barriers, shields or open guards. The applicable temperature for personal protection shall be applied to piping in service 65oC and higher in accordance with specification for hot insulation S-000-1390-001 Para. 3.4.

3.5 Piping Sizes

(1) Nominal pipe size 1-1/4”, 2-1/2”, 3-1/2”, 5”, 7” and 9” shall not be used for metallic piping except in case the size is specified in P & ID or requirement by vendor.

(2) Minimum size of piping components shall be as follows:

Steel piping components : 1/2” NPS Steel tubing : 3/8” NPS

(3) Where unusual sizes are required for connecting to equipment, piping is normally run in the

next larger size after connection has been made unless otherwise restricted by special requirement.

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(4) Piperack or piperack header piping sizes shall maintain min. NPS 2”except auxiliary piping, such as steam tracers to avoid excess deflection. The max. Support spans and max. deflections are specified in Para. 3.9 (2). In case the actual span or deflection exceed these maximum limits, then the additional supports shall be provided.

3.6 Joints

(1) Flanges of piping shall be a minimum in number, and provided only for ease of maintenance and inspection, or where construction or process conditions require.

(2) Socket welded joints shall be limited to size NPS 1-1/2” or less. (3) All galvanized piping shall have threaded or flanged joints. (4) Threaded joints may be used for all size of galvanized piping and following lines in size NPS

2” and smaller.

- Water and air service - Process and utility lines where the maintenance is required such as steam trap connection,

Y-type strainer cleaning connection, instrument connection etc.

But the thread joints shall not be used for lines with hydrogen service.

(5) Butt-welded joints are preferable. (6) Seal welding shall generally not be applied to the screwed connections unless otherwise

specified. Plug for hydrostatic test vent shall be seal welded after test. Orifice flange taps and plugs shall be seal welded where socket weld piping is specified

3.7 Valve Operation

(1) In general, valves shall be located so that they can be operated at grade or from a platform. (2) In case of horizontal stem valves (including hand wheel for gear operation), the height of valve

center shall be kept within 1.8 m from grade or platform. Where possible, valves shall preferably be located 1.2 m above grade or platform. Where the height of a valve stem is more than 1.8 m above grade or the operating floor, operating steps or chain operation shall be provided. However, chain operation shall be minimized and shall not be used for valves 2” NPS and smaller. In case, chain operated valve is used and the chain is at operational access, then a suitable hook shall be provided to hold the chain and prevent it from hanging freely which may otherwise obstruct and cause injury to the operator during an emergency escape.

(3) Minimum access requirements for valves shall be as shown in Appendix 2. (4) In case of vertical stem valves, the maximum hand wheel height shall be 1.35 m above the

operating floor, in general. Where the height exceeds the above mentioned level, an operating step shall be provided.

(5) In case of valves located below platforms, if their hand wheels do not extend beyond the

platform floors, extension stems shall be used. (6) In case of wrench operated valves, it shall be ensured that the adequate clearance shall be

provided for wrench operation. (7) Valves NPS 16” and larger shall be placed in the horizontal plane (horizontal piping) as

practical as possible.

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(8) Motor operated valves shall be provided in accordance with P & I Diagram requirements. (9) APPENDIX 1 of this specification shall be used as a guide.

3.8 Valve Size

(1) Unless otherwise specified in P&ID, pump suction strainers and valves including pump discharge valves shall be sized as follows:

(a) Suction valve size and strainer size are same as line size where pump nozzle size is

same or one size smaller than the line.

(b) Suction valve size and strainer size is one size smaller than the suction line where pump nozzle size is two or three sizes smaller than the line.

(c) In case where the pump discharge line size is 8” and larger, and discharge nozzle is two

or more sizes smaller than discharge line size, check valves and discharge block valves may be a maximum of one size smaller than line size. For line sizes 6” and less the valve shall be same size as the discharge line size.

(2) Valve at control valve manifolds shall be sized in accordance with the following table, unless

otherwise shown on the Piping and Instrument Diagrams: (All dimensions are inches)

Line Size

Control Valve Size

Block Valve Size

By-pass Valve Size

3/4 3/4 3/4 3/4 1 3/4, 1 1 1

1-1/2 3/4 1, 1-1/2

1-1/2 1-1/2

1 1-1/2

2 3/4 1

1-1/2, 2

2 2 2

1 1-1/2

2 3 3/4

1 1-1/2 2, 3

2 2 2 3

1 1-1/2

2 3

4 3/4 1

1-1/2 2

3, 4

2 2 2 3 4

1 1-1/2

2 3 4

6 2 3

4, 6

3 4 6

3 4 6

8 3 4

6, 8

4 6 8

4 6 8

10 6 8, 10

8 10

8 10

12 8 10

10 12

10 12

14 10 12 12 Size is NPS

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3.9 Pipe Support

(1) The loads which shall work on pipe supports, shall be calculated based on the following criteria:

(a) Dead weight of pipe

(b) Gas/Steam/Air : 0

Water : 1.0 (specific gravity) Other Fluids : Each fluid itself shall be used

(c) Valves, safety valves and control valves shall cause concentrated loads

(d) Weight of insulation as per its specific gravity

(2) The support spans of horizontal piping and of vertical piping shall be as shown below:

NPS Maximum

Span

1/2 3.5 m 3/4 4.0 m

1 4.5 m 1-1/2 5.5 m

2 6.0 m 3 7.0 m 4 8.0 m 6 9.0 m 8 10.0 m

10 11.0 m 12 and over 12.0 m

For 12” and over piping, in case the detail calculation is conducted and the result is satisfied, longer span can be applied. These MAX. spans are only for straight lines. Adequate supports shall be provided for the lines with elbows, bends, or concentrated load such as valves.

(3) Supports to be provided to inlet or outlet piping of pumps, compressors and steam turbines

shall be “adjustable” type in case associated piping requires centering adjustment. (4) Supports receiving vertical loads from the high temperature piping may be “spring” type,

depending on the thermal calculation. (5) Supports for piping which is subject to vibrations shall be designed to diminish resonance. (6) Small bore piping is acceptable to be supported from adjacent larger pipe to prevent excess

deflection. (7) All piping shall be adequately supported and restrained so as to prevent undue vibration,

deflection, stresses or loads on equipment. Piping shall be supported from below in preference to hanging from above.

(8) Consideration shall be given to differential expansion between supported and supporting pipe

for intermediate supporting of smaller lines from the larger. (9) Piping sections requiring frequent dismantling shall be provided with permanent supports for

the dismantled conditions.

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(10) All pipe supports, guides, etc. shall be shown on the piping arrangement drawing or isometric drawing.

(11) Piping support shall be capable of carrying the weight of the piping when filled with water

during hydraulic test. In case the line fluid is gas or two phase flow, it is acceptable to provide temporary supports for hydraulic test. In case the line will be tested by pneumatic test, the weight of hydraulic test shall not be considered.

(12) Pipe shoes shall be provided on the horizontal lines with heat insulation. For 1-1/2” and

smaller horizontal lines, shoes need not be provided, instead the bottom half of insulation shall be cut away up to a distance of 300 mm on each side of support. All bare line will be laid directly on pipeway, pipe sleeper and so on except stainless steel bare pipe. Stainless steel plate shall be installed between stainless steel bare pipe and supporting steel.

3.10 Criteria for Thermal Expansion and Uneven Settlement

(1) Thermal stress calculations shall be conducted in accordance with job specification. (2) Steam condensate lines shall be provided with expansion sleeves where necessary. And pipe

expansion loop can also be used where there is no limitation from process requirements. (3) Expansion loops shall principally be used to piping systems to absorb thermal expansion or

contraction. (4) The criteria of piping flexibility and stress analysis shall be applied in accordance with job

specification S-000-1360-004. (5) The use of expansion joints shall be avoided in process unit piping system and their use

requires Owner approval, unless specified in P & ID.

3.11 Force and Moment on Mechanical Equipment All piping systems shall be ensured by means of analyzing for most severe condition, to sustain excess expansion or contraction. When piping system is analyzed, operating temperature of equipment and piping shall be used. Force and moment on mechanical equipment shall not exceed the following conditions.

(1) Vendor’s recommended values. (2) Individual equipment specification (If specified) (3) Applicable codes and standards, as modified by the equipment specifications.

The detail criteria for above are to be in accordance with job specification S-000-1360-004. 3.12 Relief System Piping 3.12.1 General

The design and installation of pressure-relieving systems shall be in accordance with API RP 520 “Design and Installation of Pressure Relieving System in Refinery”.

3.12.2 Open System

In order to protect personnel from hazard and equipment from damage, the location of the atmospheric discharge of flammable and hazardous vapor shall be accurately decided in accordance with the following requirements:

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(1) Atmospheric discharge from vents and relief or safety valves shall be located at least 3 meters

above any platform within 7.5 meters radius. This is not applicable for small cooling water thermal relief valves. Discharge from these valves shall be located to avoid any hazards such as freezing on walkways or platforms.

(2) 9 mm diameter weep hole shall be provided for drainage at a low point of the discharge piping.

3.12.3 Closed System

(1) The outlet line from the relief valve shall be self-draining into the flare header. (2) The outlet piping from the relief valve shall be connected to the top part of the header at a 45

degree angle to the flow direction, but a 1-1/2” NPS or smaller piping may be connected at right angles to the flow direction.

3.13 Piping for Instruments 3.13.1 General

(1) The instruments shall be so located that they will not be exposed to damage during operation, inspection or maintenance of equipment.

(2) All measuring elements shall be installed at locations where exact measurement can be taken,

free from disturbances due to access for operation and maintenance. The positions of instruments shall be selected so that their readings are visible from ground level, platform, ladders or steps.

3.13.2 Pressure Instrument

(1) The piping for pressure instruments shall not be branched off from the bottom side of the line. 3.13.3 Flow Instrument

(1) Orifices shall be installed in horizontal pipes. Where practical, orifices may be installed in a vertical piping with downward flow for liquid, gas and steam.

(2) The minimum straight pipe length for orifice shall be in accordance with UOP standard

drawing 6-112-1 “piping arrangements for orifice plate installations”. 3.13.4 Temperature Instrument

(1) The location of temperature instruments shall be arranged so as to maintain sufficient space for insertion and removal of temperature instruments.

(2) Thermowells shall be located at least ten (10) times the pipe inside diameter downstream from

the mixing point of two (2) different temperature streams. (3) The minimum run pipe size for line installation and elbow installation of thermowells shall be

in accordance with UOP standard drawing 6-108-3 “thermowell and skin thermocouple installation assemblies”.

3.13.5 Control Valve

(1) Control valves shall be located so as to facilitate maintenance and manual operation from the operating floor.

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(2) Control valve shall normally be installed in horizontal piping with the valve stem vertically upward.

(3) Sufficient clearance shall be provided above the diaphragm and below the bottom of the body

for easy maintenance. (4) Control valve shall be located at the place to make easy the operator’s manipulation and close

to process equipment for reliability of operation. If possible and if it does not affect the reliability of operation, then control valve shall preferably be located at the ground level.

(5) All elevated control valves and manifolds shall be located on a platform.

3.14 Drain and Vent

(1) In piping systems, drains shall be provided at low points of all piping, and vents shall be provided at high points of piping as per P&ID requirements or the following requirements (If P&ID does not specify).

(a) Drain

(i) Alloy, stainless, class 900 rating and higher C.S piping, and all rating of H2

service - NPS 3/4” valve with blind flange. (ii) Class 600 rating and lower C.S piping except H2 service - NPS 3/4” valve with

threaded plug (or valve with pipe nipple and cap for PWHT line).

Slide Type Pipe Support

The drain shall be installed to larger pipe. (When large sideof the reducer size is 8” and over, the drain can be installedto the reducer.)

If required, the reducer shall be installed to closeto the bypass line, in principle.

The reducer shall be installed at a minimum distance from the control valve.(In the case of wafer type, attention shall be given to bolt length.) The reducers shall install bottom flat or top flat considering pipingconfiguration to avoid drain and vent pocket. In above configuration, they shall be bottom flat.

Fixed Type Pipe, Support

250 Min.

(Ecc.) (Ecc.)

(Conc.)(Conc.)

BOPMin.

500 (As a rule)

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(b) Vent

(i) Alloy, stainless, class 900 rating and higher C.S piping and all rating of H2 service - NPS 3/4” valve with blind flange.

(ii) Class 600 rating and lower C.S piping except H2 service - NPS 3/4” valve with

threaded plug (or valve with pipe nipple and cap for PWHT line). (iii) Required for hydrostatic testing purposes, alloy, stainless, class 900 rating and

higher C.S piping - NPS 3/4”blind flange. (iv) Required for hydrostatic testing purposes, class 600 rating and lower C.S piping -

NPS 3/4” threaded plugged (to be seal welded after testing).

Note: 1. Where run pipe size is NPS 1/2”, the size of drain or vent valves shall be NPS 1/2”.

2. Applied valve type shall conform to P&ID and/or material specification

requirements.

(2) Equipment drains shall be terminated up to nearest drain funnels when it is specified in the P & I Diagram.

3.15 Utility Station (Hose Station)

(1) Utility station shall be provided at 30 m intervals around the vessels and ground. (2) Fluids : Water, air and steam (nitrogen , if necessary)

All items shall be terminated with hose connections (3) Size : Water, air, nitrogen·············· NPS 3/4”

Steam ·································· NPS 1” (4) Hose connections shall be installed in the order of, nitrogen (if required), air, water and steam

from left to right, facing to a utility station. (5) Utility stations on elevated platforms (for equipment structure, vessels, and towers) shall be

provided for equipment man hole and heat exchanger, AFC maintenance. (Refer to S-000-1225-001 Para. 2.15 (4).)

(6) The hose racks and hoses shall be provided at each utility station on ground. The hose racks

and hoses are not provided at utility stations at elevated platforms. (7) The hose length and material shall be as follows.

Length 15 M for steam 15 M for water and air (common use) 15 M for Nitrogen Material Weather and abrasion resistant rubber with double braid textile or synthetic reinforced hose 3.16 Eye Washer and Shower

Eye washer and shower shall be installed at locations conveniently accessible in an emergency.

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3.17 Under-Ground Pressurized Piping

(1) Under-ground piping shall be laid at depths appropriate for the various loads. Minimum earth cover (from low point) shall conform to the following: (a) Concrete pave area : 300 mm (b) Unpaved area : 400 mm (c) Road crossing : 600 mm

(2) Under-ground piping under roadways shall be installed in carbon steel pipe sleeves or installed

directly by confirming structural integrity. Spacers (guide plate) shall be used between carried pipe and sleeve, if pipe support is required in the length of sleeve pipe.

(3) Cathodic protection shall be applied in accordance with general specification for cathodic

protection, S-000-1387-001. (4) Insulated piping shall be provided with sleeve pipe. Spacers shall be used between carried

pipe and sleeve, if pipe support is required in the length of sleeve pipe. (5) All steel pressurized piping located underground shall be coated (fusion bonded epoxy or

polypropylene) for external corrosion protection. Refer to S-000-13A0-102. (6) In event of parallel runs, the minimum clearance between an U/G pipe and other U/G objects

shall be 300 mm or pipe diameter (larger pipe in case of another U/G pipe) whichever is smaller. If the clearance is smaller than 300 mm, its constructability shall be confirmed.

3.18 Trench Piping

(1) The use of trenches shall be avoided in hazardous area as far as possible. (2) Where it is required to install process piping underground inside the plot limits, e.g. in case of

pump suction lines to eliminate vapor pockets, the line shall be laid in concrete trenches. (3) The minimum clearance between the top of sleepers and the bottom of concrete trench shall be

75 mm. (4) The clearance between the top of piping and bottom face of the trench cover shall be kept min.

50 mm. 3.19 Sample Connection

(1) Liquid sample connections shall not be installed at the bottom of horizontal piping, nor located at the dead ends of piping.

(2) Gas sample connections shall be located at the top of a horizontal run piping or at the side of

vertical piping. (3) Sample piping shall be as short as possible. (4) The sample connections shall be located for easy access from grade (grade preferred) or fixed

platform.

(5) Type of sampling connections and sample coolers, where required, shall be in accordance with the P&I Diagram.

3.20 Utility Piping

(1) All branch piping from utility headers (steam, steam condensate, water, air, nitrogen, fuel gas, fuel oil, etc.) shall be taken from the top of the header to prevent plugging, however, water branch piping of 3” NPS and larger may be taken from the bottom of the header.

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(2) Isolation valve onto branch line whose size is 1-1/2” NPS and smaller will be provided. However, in the case users are only utility stations, no need to provide isolation valve on each branch line, if main header has isolation valve. Refer to S-000-1225-001 Para. 2.2.2.

(3) Main steam line and steam subheader line shall be provided with drip legs (boots) near the

downstream end of drain pockets, header ends and at the locations specified in P & ID. 3.21 Minimum Clearance 3.21.1 Minimum Clearance between Pipes/Valves

(1) For non-insulated piping, a minimum clearance of 25 mm shall be provided between the outside diameter of pipe flanges and adjacent pipes or a minimum clearance of 75 mm shall be provided between the outside surface of pipes. For insulated piping, the insulation thickness shall be taken into consideration.

(2) The minimum clearance between pipes which are subject to expansion and contraction shall be

determined on a case-by-case basis. (3) The minimum clearance between valve handwheels shall be 100 mm.

3.21.2 For overhead piping, the following minimum vertical clearance between finished grade (or top of

floor plate) and the bottom of the piping, or support beam (whichever controls) shall be maintained:

(1) Over Roadway 6.0 m (2) Pipe Rack (with truck access) 4.5 m

(Unit main pipe rack that runs through (4.0 m clear in width for 10 m or the center of process units) 8 m wide piperack) (3.0 m clear in width for 6 m wide piperack)

(3) Pipe Rack (without truck access) 3.0 m

(Sub pipe rack (a branch pipe rack) that runs from unit main pipe rack)

(4) Above Walkways and Elevated Platforms 2.1 m

3.21.3 Equipment, structures, platforms, piping and its supports shall be arranged to provide the following

minimum horizontal clearances:

(1) Operation and maintenance side of control panels 0.75 m

(2) Operating Aisles 0.75 m (3) At shell cover end of exchangers at grade, for access way 0.75 m (4) Maintenance platform at channel end of elevated exchangers 1.0 m (5) Maintenance platform at shell cover ends of elevated exchanger 0.75 m (6) In front of manholes 1.0 m (7) Pinch points on passageways at grade and on elevated platforms 0.75 m

(0.75 m remains in areas cutside of pinch points) (8) Between pump extremities, including piping of adjacent pumps 0.75 m (9) Between extremities, including insulation, of paired exchangers or vessels 0.75 m

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(10) Aisles between piping and other obstructions where frequent 0.75 m access is not required

3.21.4 Minimum clearance between the finished grade and bottom of Piping or insulation shall be:

(1) Under low level piping in paved or unpaved areas 0.3 m (2) Under drain piping 0.15 m

However a minimum vertical clearance of 300 mm from grade is not necessarily kept for sleeper piping without drain valve. When low level piping is in the access, a steel step shall be provided.

3.22 Accessibility

For minimum accessibility requirements, please refer to Appendix 2.

3.23 Pipe through Floors

All piping that is to pass through the platforms or floors shall be passed through pipeholes. Minimum size of the holes shall conform to the following table. However, efforts shall be exerted in the piping design to minimize the use of such arrangement.

Hole Diameter Nominal

Pipe Size Un Insulated (mm) Insulated

1/2” 130 3/4” 130 1” 130

1-1/2” 150 2” 160 3” 190 4” 210 6” 270 8” 320

10” 370 12” 420 14” 460 16” 510

When the piping is to be insulated, fractions of the insulation thickness shall be rounded off upwards in 10 mm and added to the pipehole diameters.

18” 560 20” 610 24” 710

3.24 Pipe through Dike

(1) Sleeve pipe shall be provided for the piping through dike. (2) No cathodic protection shall be applied to the carrier pipe and sleeve through dike. (3) Spacers shall be used between carrier pipe and sleeve when pipe support is required in the

length of sleeve pipe.

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3.25 Foundation Height The minimum height of foundations supporting steel bases, including structure columns, pipe supports, process equipment, vessels and towers shall conform to the following: (1) Pumps : 200 mm (2) Piping supports : 50 mm (3) Tanks : 300 mm (4) Other : 150 mm

3.26 Escape Ladders Criteria for providing escape ladders shall conform as follows: (1) Piperack : when the dimension of the floor/walkway in any straight line excess 30 m (2) Structures : when the dimension of the floor/walkway in any straight line excess 30 m

4 PIPING AROUND EQUIPMENT 4.1 Tower and Drum Piping

(1) Manholes of the towers and vertical type drums shall be provided on the maintenance side, while piping shall be arranged on the other side. Instruments shall be located in the appropriate location for operation.

(2) Piping connected to towers shall, in principle, be arranged in consideration of facilitating easy

supporting. (3) Piping and their supports shall be arranged in consideration of thermal expansion of the tower

and drum. (4) Minimum clearance between the first stage platform and ground level shall be a minimum of 3

m. (5) Platforms shall be arranged so that the vertical distance between upper and lower platforms

does not exceed 8 m. (6) In general, circular platforms with adequate space shall be mounted on the top of the towers

and vertical type drums. Width of the platforms shall be 1,000 mm - 1,500 mm where access is provided for manholes, valve, instruments, etc., and shall be 1,000 mm where it is only for ladder landing. Vertical distance between the Platform and center-line of manholes shall be generally 700 mm - 1,200 mm and normally 800 mm.

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4.2 Piping for Rotating Machines

(1) General

(a) Sufficient flexibility and adequate support shall be provided for piping which serves rotating machines, to minimize stresses applied on nozzles of the machine which might influence the proper installation alignment or internal clearances of the machine, or jeopardize the trouble-free operation of the machine.

(b) Connecting piping for rotating machines shall be arranged so that internal elements and

casing sections of the machine can be removed for maintenance without interference with the connecting piping. The break flanges shall be provided when the maintenance is impossible without them.

(c) When the piping shall be supported from grade, adjustable pipe supports shall be used,

and shall not be supported from maintenance areas.

(2) Pumps

(a) Pump suction piping shall be designed to avoid the formation of vapor pockets. Where a reducer is required in horizontal pump suction piping, an eccentric reducer shall be installed with the flat on top. The suction lines of pumps shall be arranged as short and direct as possible.

(b) The length of straight run pipe between elbow and pump suction nozzle in the

horizontal suction lines of a double suction pump shall be at least 5 times the pipe diameter. Where a reducer is installed between a pump nozzle and a horizontal elbow in a pump suction line, the reducer shall be considered as a part of straight run pipe.

(c) Piping arrangement shall permit insertion and removal of permanent and temporary

strainer internals without disturbing machine installation alignment.

(d) The design and location of permanent strainers shall be such as to permit cleaning without removing the strainer body.

(e) Type of strainers used in pump suction piping shall be as follows.

NPS 2”and smaller size - Y type (Flanged, Socket weld or thread connection in accordance with applicable piping class) NPS 3” and larger size - T type (Butt weld connection. Flanged connection only for galvanized piping class) Generally the Bathtub style is used for T type strainer. The each strainer type will be identified in specification or requisition.

(f) Strainer body material shall be applied corresponding to its piping material.

Bathtub style

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(g) Maximum efforts shall be made to locate the piping at the pump side for ease of maintenance work.

(h) All supports shall be of the adjustable type in case the pumps require centering adjustment.

(3) Compressor

(a) Special attention shall be given to reciprocating compressor piping, taking into

consideration the effects of vibration and pressure pulsation, to prevent fatigue failure.

(b) The piping around compressor shall be arranged to prevent excessive force and moment effecting on to the nozzle.

(c) Centrifugal compressor suction piping shall be designed to ensure that the

configuration of the piping and the length of straight pipe at inlet nozzle is in accordance with vendor recommendation and will not adversely affect the compressor performance.

4.3 Heat Exchanger Piping

(1) Shell and tube heat exchanger

(a) Piping shall be arranged so as to allow removal of channel covers and tube bundle and give easy access for bolting. Break flanges shall be provided when the maintenance is impossible without them.

(b) If practicable, symmetrical piping is desirable for the inlet piping of the heat

exchangers having plural inlet nozzles.

(c) The configuration of piping connected to the respective heat exchangers of the same item arranged in parallel shall be symmetrical.

Strainer

If the valve is large and handlinglocation is high.

DischargeSuction

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(d) Installing elevation are as below. (e) Locations of valves and orientations of thermometers around heat exchangers. (f) Piping supports Adequate supports shall be provided to lines around heat exchangers.

Thermometer

Approx.1,400 mm

High Point of Paving

StandardHeight

Thermometer

Supported by Stanchion

Bottom of Pipe

Min. 150mmOperating Level Min. 500mm

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(2) Air cooled heat exchanger

(a) All piping connecting to an air cooled heat exchanger, especially the inlet line, shall have sufficient flexibility and adequate support to ensure that, under no circumstance, the nozzles of the air cooled heat exchanger shall be subject to excessive stress and moment beyond allowable range.

(b) Piping around air cooled heat exchangers with multi-bundles, shall be arranged to

ensure even flow distribution.

(c) Access way for inlet/outlet nozzle and fan motor of air cooled heat exchanger shall be provided.

4.4 Furnace Piping

(1) Arrangement of piping for burners shall be performed considering easy insertion and removal of firing torches, burners and burner guns. Furthermore, the piping shall not obstruct observation windows, access doors, header box covers and the tube removal area.

(2) The valves in the fuel supply piping to the burner and valves for steaming out, shall be located

close to the furnace observation windows and shall be convenient for burner ignition and heater control.

(3) Piping for multi-pass furnaces shall be arranged symmetrically, if no valves to adjust flow rate

are provided in the piping. (4) Snuffing steam valves shall be located 15m from furnace in consideration of facilitating quick

access from the control room as well as ensuring a safe distance from the furnace. 4.5 Tank Farm Piping

(1) Piping in tank dikes shall take the shortest possible route to the main pipeway. (2) Piping shall be arranged to enable the absorption of nozzle displacement caused by tank

settlement, or piping displacement caused by nozzle rotation due to tank shell deformation. (3) Piping passing through dikes shall be adequately protected against external corrosion, and shall

be capable of absorbing any possible movement of piping due to thermal expansion and contraction.

(4) Proper sealing shall be provided to the piping passing through dikes. (Refer to Para. 3.24.) (5) Piping inside tank dikes shall not obstruct to heavy equipment’s maneuver.

4.6 Pipetrack (Pipe Sleeper) and Piperack Piping

(1) In process units all piping shall be run overhead and grouped in banks wherever feasible, with the exception of large seawater lines, fire water, potable water line to safety showers and drinking fountains and drain lines.

(2) Large sized or heavy weight piping on racks (road-bridge) shall primarily be laid on the sides. (3) Reducers to be used on racks or sleepers shall be of the eccentric type to maintain constant

elevation of the pipe bottom. (4) The minimum pipe size and supporting requirement shall be as per Para. 3.5 (4).

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4.7 Jacketed Piping 4.7.1 Jacketing Methods

In cases where piping is to be jacketed, the entire piping system (including straight runs, fittings and valves) shall be jacketed, unless otherwise specified on P&ID.

4.7.2 Heating Medium

(1) The heating medium to be used in jackets shall be steam normally. (2) Steam shall be supplied from a point higher than the jacket and traps shall be provided at low

points. (3) Connection piping to jackets shall have the same size as that of the steam supply piping.

4.7.3 Precautions to be taken with Respect to Jacketed Piping

(1) Since thermal stresses will be caused by the differences in material and temperature between the inner and outer pipes in usual cases, consideration shall be given to this point.

(2) Expansion loops shall be used as a measure against excess stresses in the inner and outer pipes. (3) No pockets/dead ends shall be provided at the end of the process piping or at branches. (4) Air pockets and drain pockets shall be avoided as far as practicable. In cases where they

cannot be avoided, vents or traps shall be provided. (5) For detail design and fabrication, please refer to job standard drawing D-000-1360-057, 058

and 059. 4.8 Steam Trace Piping

Steam trace shall be designed in accordance with UOP standard specification 1-14-1 “Steam Heat Tracing”.

5 PIPING DRAWING 5.1 Plan and Each Isometric Drawing

Orthographic drawing which shows piping general arrangement will be called “Plan Drawing”. Isometric drawing which shows one line(all piping 1/2” larger) will be called “Each Isometric Drawing”.

5.2 Preparation of Plan and Each Isometric Drawing

Piping plan and each isometric drawing shall be prepared by extracting them from the PDS-3D model utilizing Intergraph’s PDS-3D soft ware.

5.3 Scale

Scale shall be as follows:

(1) Process and utility unit

(a) Plan drawing 1/30, 1/60

(b) Each isometric drawing Non scale

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(2) Off-site and common piperack piping

(a) Plan drawing 1/30, 1/60, 1/100, 1/200

(b) Each isometric drawing Non scale 6 PRESSURE TESTING 6.1 Pressure Testing Method

Hydrostatic testing shall be applied to lines in accordance with ASME B31.3 Para.345.4, except for the following items: (1) Utility and other lines defined clearly from its service name

(a) Instrument Air Pneumatic (b) Deleted Deleted (c) Flare Pneumatic (d) Deleted Deleted

(2) Deleted (3) Process lines insulated or lined on their inside Pneumatic (4) Process lines which hydrostatic testing is not recommended

due to technical reasons, such as those for cold service use, etc. Pneumatic (5) Large diameter tower overhead lines (18” and larger) shall be pre-assembled at grade level and

hydrotested prior to erection and last welds shall be handled as so called ‘golden welds’ which RT for butt weld and PT for socket weld will be applied.

(6) Sea cooling water lines of FRP shall be hydrotested at 1.5 times operating pressure. Note: For “Pneumatic”, ASME B31.3 Para.345.5 shall be applied.

6.2 Application of Pressure Testing After completion of the piping installation and NDE work, the field fabricated piping shall be subjected to pressure test, except for the following cases: (1) The weld joint which can not be subjected to pressure test shall be examined by PT and/or RT

for BW. (2) RT for BW and PT for SW will be applied to welded piping connection with equipment.

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(3) The final connection (joint) with piping for the special case such as piping around the dress-up

towers will be tested by RT for butt weld and PT for socket (fillet) weld.

Dress-up

RT or PT (Final Connection)

Pressure Testing Separately

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APPENDEX 1

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APPENDIX 2 (1/2)

MINIMUM ACCESS REQUIREMENTS

Minimum Access Requirements Neces-sity of

Permanent platform

Remarks


or above platforms) access With stairway

With ladder

[Valve] ≥ NPS 3 YES (3) 1. Valves

requiring frequent manipulation

≤ NPS 2 YES (4)

Equipment drains/vents

YES

Line drains/vents

(1)(7)

For spared equipment YES (3)(4)

2. Valves not requiring frequent manipulation

Others YES (3) (4) (1) 3. Valves not requiring

manipulation including utility, flare and other header root valves for branches

NO Construction and non-routine maintenance purpose only eg. hot tap valves

4. Valves requiring quick operation during plant operation

YES (2) Valves so specified on P & ID

5. Remote operation valves YES Emergency shut-down valve, etc.

6. Battery limit valve station YES (3) 7. Block valves for instrument connection YES (1)(7)(8) 8. Isolation valves of steam traps for trap

maintenance YES

[Other Piping Element] 1. Special piping components requiring

maintenance and replacement YES (1)

2. Special piping components not requiring maintenance

NO

Operation YES 3. Blanks Maintenance YES (1)(7) Temporary access with

scaffolding also acceptable

4. Spring supports NO [Instruments]

detecting element NO Connection Point 1. Pressure Instruments local gauge YES

detecting element NO Thermowell 2. Temperature Instruments local gauge YES

detecting element YES Float in displacer, etc. 3. Level Instruments local gauge YES

detecting element YES (1)(8) 4. Flow Instruments local gauge YES

5. Transmitters with local indication YES without local indication YES (1)

For local indication which requires daily operation

6. Safety valves YES (1) 7. Control valves YES

Perma-nent

ladder

Movable Ladder

or Stand

(6)

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APPENDIX 2 (2/2)

MINIMUM ACCESS REQUIREMENTS (continued)

Minimum Access Requirements Permanent platform

Remarks


or above platforms)

Neces-sity ofaccess With

stairwayWith

ladder

Perma-nent

ladder

Movable Ladder or

Stand

[Equipment]

1. Towers/Vessels YES To top platform, if necessary

2. Compressors/Turbines YES For elevated objects 3. Air Coolers YES To header box and motors4. Cooling towers YES To motors on top

5. Heaters YES To burners and peeping holes

6. Elevated stacks YES To igniter, if necessary 7. Manholes on equipment YES (9) (9) 8. Handholes on equipment YES (9) (9) 9. Equipment nozzles YES (9) (9) [Operation Devices] 1. Local sampling points YES (5) 2. Elevated hydrants/monitors YES

Notes: (1) Movable ladders and stands (platforms) can be applied for the objects whose operation height is

less than or equal to 4.5 m from ground or equipment structure platforms. (2) The objects shall generally be provided on ground. If the objects are provided on permanent

platforms located more than 1.5 m above ground, stair access shall be provided. When height of the platform is less than or equal to 1.5 m, ladder access may be substituted for stair access.

(3) Extended stem valves and chain operated valves, or extension handle of valves can be applied,

if the valves of NPS 3 and larger can not be located within the reach from the platform. (4) For NPS 2 and smaller, permanent ladder access is acceptable. (5) For local sampling points which will be manipulated frequently, stair access shall be provided,

if the platform is located more than 1.5 m above ground or more than 1.5 m above stair access platform.

(6) For integral type flanged flow instruments such as variable area flow meter, positive

displacement flow meter, magnetic flow meter, turbine meter, etc., permanent platform with ladder access shall be provided as a minimum access requirement.

(7) Access is not required for piping on pipe rack, sub pipe rack or pipe track. (8) For orifice flanges and tap valves the instruction in Appendix 3 shall be followed. (9) Permanent platform is not required for shell and tube heat exchangers.

Minimum clearance between the first stage platform and ground level shall be 3.0m. (10) Stair way is required for the structures locating multiple mechanical equipment.

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APPENDIX 3 (1/2)

ACCESS REQUIREMENT FOR ORIFICE FLANGES 1. PROVISION OF ACCESS PLATFORM Orifice flanges shall be accessible either from existing platform/or from grade.

If this is not applicable, additional platform for orifice flanges shall be provided except for the case stated in Para. 3.

2. PROVISION OF ADDITIONAL PLATFORM ON THE PIPE RACK 2.1 General Application

Minimum distances to be maintained for locating the orifice flanges, shall be as shown in the following figure.

If orifice flanges are located higher than 4.5 m elevation from grade, additional platform shall be provided with the following requirement.

Fluid of Service Provision of additional platform Liquid and steam : Underneath of orifice flanges Gas and vapor : Above the orifice flanges

ORIFICE FL’G

PIPE RACK

PLAN

ORIFICE FL’G

MIN.

MIN.

MIN.MIN.

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APPENDIX 3 (2/2)

ACCESS REQUIREMENT FOR ORIFICE FLANGES (continued) 2.2 Around Unit Battery Limit

Regardless of installation level (elevation) of orifice flanges, additional platform is required underneath of orifice flanges.

3. WITHOUT ACCESS PLATFORM

The following location of orifice flanges are acceptable without platform access regardless of the above.

3.1 Pipe Rack Piping (applying to liquid and steam service)


3.2 Other than Piperack Piping (applying to all fluid of services)


ORIFICE FL’G MIN. 200 MIN. 200 ORIFICE FL’GORIFICE FL’G

500 PIPE RACK(FOR INSTALLATION OF INSTRUMENT ASSEMBLY)1000

ACCESS PLATFORM

VIEWPLAN

ORIFICE FL’G

MIN.PIPE RACK

4.5 m

ORIFICE FL’G

GRADE PLAN

DETAIL

4.5 m

ORIFICE FL’G

GRADE

DETAIL

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DATE 26 − MAR − 2004 SHEET 1 OF 10 PREP’D A. TAKAHASHI A. T

CHK’D T. KISO T. K

APP’D T. AMEMIYA T. A


OF

DRIP RING





N/A


0 26-Mar-2004 All For Review A. T T. K T. A

R 19-Aug-2004 3, 7 For Construction (As per OY-JY-E-21935) H. M T .K T. A

R1 2-Nov-2004 8, 9, 10 Updated as marked A. T T. K T. A

R2 29-Nov-2004 7, 9 Deleted location of DR-005 and DR-012 (Changed to Spare) A.T T.K T.A

R3 31-Oct-2005 All As Built T.U T.Y T.A



AS BUILT

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AS BUILT


DOC NO: S-000-1360-527 rev.R3 Specification of Drip Ring SHEET : 3 of 10

09004ed5802219fd_--_A4_--_.doc

1 SCOPE (1) This specification covers the minimum requirements for design, materials, fabrication, testing,

inspection and documentation of Drip Ring to be used for the SOHAR Refinery Project. (2) The intent of this specification is not to supersede ASME code, but only to supplement, amend or

limit it as required. 2 APPLICABLE SPECIFICATIONS, CODES AND STANDARDS

The following documents shall constitute an integral part of this specification.

2.1 Specifications and Drawings S-000-1360-006 Specification for Flange Face Finish S-000-13A0-101 General Specification for Rust Prevention S-000-1440-501 Instruction for Vendor’s Documentation S-000-1440-502 Requirements for Electronic Data Submission S-000-1450-001 Project Shipping & Packing Instructions S-000-1520-001 Inspection Coordination Procedure with Vendor S-000-1520-002 Material Certification and Traceability Requirements S-000-1520-003 Alloy Verification Requirements S-000-1520-005 Non-Conformance Control Procedure with Vendor S-000-1520-006 Inspection Record Book Requirements JGS 499-999-5-02E Control of Monitoring and Measuring Devices, Product Status and

Nonconforming Products

2.2 ASME Codes and Standards B1.1 -1989 Unified Inch Screw Threads (UN and UNR Thread Form) B1.20.1 -1983 Pipe Threads, General Purpose (Inch) B16.5a -1998 Pipe Flanges and Flanged Fittings B36.10M -2000 Welded and Seamless Wrought Steel Pipe B36.19M -1985 Stainless Steel Pipe B46.1 -1995 Surface Texture (Surface Roughness, Waviness and Lay) B31.1 -2001 Power Piping B31.3 -2002 Process Piping BPV Code Sec.II -2001 Part A Ferrous Material Specification

2.3 Others ASTM Standards Annual Books – 2002 EN10204 - 1991 Inspection Documents for the Delivery of Metallic Products

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3 DESIGN

3.1 General

Drip rings shall be designed and fabricated in accordance with the applicable specifications, codes, standards and data sheets in ATTACHMENT-1

3.2 Material

3.2.1 Applicable Material This specification shall be applied to the following materials: ASTM A105 ASTM A105 Galvanized ASTM A182 GR.F5 ASTM A182 GR.F11 CL.2 ASTM A182 GR.F304/F304L ASTM A182 GR.F316L ASTM A182 GR.F321

ASTM A350 GR.LF2 GL.1

ASME SA105 ASME SA182 GR.11 CL.2

3.2.2 Limitation of Carbon Content for Carbon Steel Drip Ring The following requirements for chemical properties shall be satisfied:

- C% <= 0.23% - CE% <= 0.43%

Formula of carbon equivalent shall be as follows:

Carbon equivalent: CE = % C + + +

3.2.3 Requirements for ASTM A182 GR. F11 and ASME AS182 GR. F11

(1) The maximum room temperature tensile strength shall be 100,000 psi (7030 kg/cm2). (2) The product analysis content of tin and phosphorous shall be as follows:

Tin ≤ 0.015% Phosphorus ≤ 0.012% The percentage limits are weight percent.

3.2.4 Dual Grade Stainless Steel Material

(1) Dual grade stainless steel material ASTM A182M Gr. F304/F304L and A182M Gr. F316/F316L

are acceptable instead of ASTM A182M Gr. F304L and A182M Gr. F316L respectively. Those dual grade stainless steel materials shall satisfy both the chemical and mechanical properties of A182M Gr. F304 & A182M Gr. F304L and A182M Gr. F316 & A182M Gr. F316L.

(2) However, vendor shall submit the detail application of the dual grade stainless steel material to

Purchaser’s approval prior to manufacturing.

%Mn 6

%Cr + %Mo + %V 5

%Ni + %Cu 15

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(3) Identification of the dual grade stainless steel material shall be marked by low stressed stamp and the marking procedure shall be submitted to Purchaser’s approval.

3.3 Dimensions and Tolerances

Dimensions and tolerances shall be in accordance with ATTACHMENT-2.

3.4 Facing Finish Facing of drip ring shall be finished in accordance with S-000-1360-006. Gasket contact faces shall be matched to the flanges in accordance with the following standard, unless otherwise specified. -ASME B16.5a (24” and smaller)

3.5 Galvanized Drip Ring

3.5.1 When “GALV” is specified in ATTACHMENT-1, the drip ring shall be coated with zinc (Hot-Dip) in accordance with ASTM A153.

3.5.2 Serration for gasket contact face shall be machined after galvanizing.

3.6 Heat Treatment (1) Heat treatment shall be carried out normalizing in accordance with the specification ASTM

A105M & ASME SA105M. (2) Austenitic stainless steel materials shall be solution treated in accordance with ASTM A182M. (3) Type 321 stainless steel drip rings shall be given a stabilization heat treatment in accordance with

the supplementary requirement S10 of ASTM A182M. 4 ALLOY VERIFICATION

Alloy verification (AV) shall be carried out in accordance with S-000-1520-003. Vendor shall submit the alloy verification procedure to Purchaser’s approval.

5 RUST PREVENTION

Rust prevention shall be carried out in accordance with S-000-13A0-101 and the detail procedure shall be submitted to Purchaser’s approval.

6 EXTERNAL PROTECTION External protection shall be carried out in accordance with S-000-1450-001.

7 INSPECTION AND TEST (1) Inspection and test shall be carried out in accordance with the ASTM specification which is

specified in ATTACHMENT-1, S-000-1520-001 and Vendor’s inspection & test plan. (2) Certification shall be required in accordance with S-000-1520-002.

8 MARKING

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(1) The following information shall be die-stamped to the body of drip ring. example -Tag No. DR-001 -Size 2 -Rating CL150 -Material A105 (2) Mark of “AV” for alloy verification shall be indicated on each drip rings in accordance with

S-000-1520-003.

9 SHIPPING AND PACKING

Shipping and packing shall be in accordance with S-000-1450-001.

10 VENDOR’S DOCUMENTS (1) Vendor shall submit the drawings and documents in accordance with S-000-1440-501. (2) Vendor shall submit “Vendor ENG. Document List Input Sheet” to Purchaser within two (2)

weeks after placing a purchase order or letter of intent in order to Purchaser’s vendor document and drawing status control.

(3) Inspection & test plan (ITP) and inspection & test procedure shall be submitted to Purchaser’s

approval. (4) Manufacturing procedure shall be submitted to Purchaser’s approval prior to the manufacturing. (5) Vendor shall submit the instruction for handling and nesting in storage yard in order to protect

from the damage during transit, lifting and installation at construction site.

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ATTACHMENT-1 (1/3) DATA SHEET FOR DRIP RING

ITEM NO. DR-001 DR-002 DR-003 DR-004 DR-005

QUANTITY 5 28 2 6 1

TYPE A A A A A

SIZE 2” 3” 2” x 1” 3” x 2” 2”

CONNECTION CL150 RF CL150 RF CL150 RF CL150 RF CL150 RF

DRAIN HOLE SIZE 3/4” 3/4” 3/4” 3/4” 3/4”

MATERIAL ASTM A105 ASTM A105 ASTM A105 ASTM A105 ASTM A182 GR.F5

LOCATION (P&ID NO.)

34-PT-001 (D-340-1225-102)

36-PT-002 (D-360-1225-104)

36-PT-502 (D-365-1225-104)

37-PT-001 (D-370-1225-102)

37-PT-003 (D-370-1225-102)

13-LT-004 (D-130-1225-102)

13-LT-006 (D-130-1225-103)

26-LT-002 (D-260-1225-112)

32-LT-018 (D-320-1225-130)

34-LT-006 (D-340-1225-103)

34-LT-007 (D-340-1225-103)

35-LT-003 (D-350-1225-108

36-LT-003 (D-360-1225-103)

36-LT-004 (D-360-1225-103)

36-LT-503 (D-365-1225-103)

36-LT-504 (D-365-1225-103)

53-LT-001 (D-530-1225-101)

54-LT-012 (D-540-1225-114)

58-LT-002 (D-580-1225-101)

65-LT-003 (D-650-1225-102)

65-LT-016 (D-650-1225-108)

65-LT-017 (D-650-1225-109)

91-LT-001 (D-910-1225-101)

37-PDT-002 (D-370-1225-102)

37-PDT-004 (D-370-1225-102)

37-PDT-008 (D-370-1225-104)

37-PT-001 (D-370-1225-102)

37-PT-003 (D-370-1225-102)

37-PDT-002 (D-370-1225-102)

37-PDT-004 (D-370-1225-102)

37-PDT-008 (D-370-1225-104)

11-PT-005 (D-110-1225-112)

REMARKS For 2” x 1” reducing flange as per D-000-1360-101

For 3” x 2” reducing flange as per D-000-1360-101

SPARE

CANCEL

CANCEL

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QUANTITY 4 4 1 2 4

TYPE A A A A A

SIZE 3” 3” 2” 2” 3”


DRAIN HOLE SIZE 3/4” 1” 3/4” 3/4” 3/4”

MATERIAL ASTM A182 GR.F5

ASTM A182 GR.F5

ASTM A182 GR.F5

ASTM A182 GR. F316L

ASTM A182 GR.F304

LOCATION (P&ID NO.)

20-PDT-035 (D-200-1225-135)

20-PDT-057 (D-200-1225-135)

21-PDT-001 (D-210-1225-108)

21-PDT-002 (D-210-1225-108)

21-PT-030 (D-200-1225-282)

34-PT-003 (D-340-1225-105)

34-PT-005 (D-340-1225-105)

53-LT-002 (D-530-1225-106)

53-LT-003 (D-530-1225-106)

54-LT-010 (D-540-1225-113)

54-LT-011 (D-540-1225-113)

REMARKS

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ITEM NO. DR-011 DR-012 DR-013 DR-014

QUANTITY 2 2 1 1

TYPE A A A A

SIZE 4” 3” 2” 2”

CONNECTION CL150 RF CL300 RF CL300 RF CL600 RF

DRAIN HOLE SIZE 3/4” 3/4” 1” 3/4”

MATERIAL ASTM A105 ASTM A105 ASTM A182 F5 ASTM A182 F5

LOCATION (P&ID NO.)

38-LT-001 (D-380-1225-101)

38-LT-002 (D-380-1225-101)

62-PDT-043 (D-620-1225-113)

21-PT-007 (D-210-1225-110)

21-PT-031 (D-200-1225-281)

REMARKS SPARE

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ATTACHMENT-2 DIMENSION AND TOLERANCE FOR DRIP RING

TYPE A

INSIDE AND OUTSIDE DIAMETER DRAIN HOLE AND WIDTH B NPS C D E F

NPS A CL 150 CL 300 CL 600 3/4” 18.9 27.7 13 50

2” 52 104 111 111 1” 24.3 34.3 13 60 3” 78 136 148 4” 102 174

2” x 1” 24 104 3” x 2” 52 136

φA±0.8 φB +0

-1.5

φC

φD+0.25 -0

F +2 -0

E (M

in.)

Unit: mm

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DATE 26 − MAR − 2004 SHEET 1 OF 10 PREP’D A. TAKAHASHI A. T

CHK’D T. KISO T. K

APP’D T. AMEMIYA T. A


OF

DRIP RING





N/A


0 26-Mar-2004 All For Review A. T T. K T. A

R 19-Aug-2004 3, 7 For Construction (As per OY-JY-E-21935) H. M T .K T. A

R1 2-Nov-2004 8, 9, 10 Updated as marked A. T T. K T. A

R2 29-Nov-2004 7, 9 Deleted location of DR-005 and DR-012 (Changed to Spare) A.T T.K T.A




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1 SCOPE (1) This specification covers the minimum requirements for design, materials, fabrication, testing,

inspection and documentation of Drip Ring to be used for the SOHAR Refinery Project. (2) The intent of this specification is not to supersede ASME code, but only to supplement, amend or

limit it as required. 2 APPLICABLE SPECIFICATIONS, CODES AND STANDARDS

The following documents shall constitute an integral part of this specification.

2.1 Specifications and Drawings S-000-1360-006 Specification for Flange Face Finish S-000-13A0-101 General Specification for Rust Prevention S-000-1440-501 Instruction for Vendor’s Documentation S-000-1440-502 Requirements for Electronic Data Submission S-000-1450-001 Project Shipping & Packing Instructions S-000-1520-001 Inspection Coordination Procedure with Vendor S-000-1520-002 Material Certification and Traceability Requirements S-000-1520-003 Alloy Verification Requirements S-000-1520-005 Non-Conformance Control Procedure with Vendor S-000-1520-006 Inspection Record Book Requirements JGS 499-999-5-02E Control of Monitoring and Measuring Devices, Product Status and

Nonconforming Products

2.2 ASME Codes and Standards B1.1 -1989 Unified Inch Screw Threads (UN and UNR Thread Form) B1.20.1 -1983 Pipe Threads, General Purpose (Inch) B16.5a -1998 Pipe Flanges and Flanged Fittings B36.10M -2000 Welded and Seamless Wrought Steel Pipe B36.19M -1985 Stainless Steel Pipe B46.1 -1995 Surface Texture (Surface Roughness, Waviness and Lay) B31.1 -2001 Power Piping B31.3 -2002 Process Piping BPV Code Sec.II -2001 Part A Ferrous Material Specification

2.3 Others ASTM Standards Annual Books – 2002 EN10204 - 1991 Inspection Documents for the Delivery of Metallic Products

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3 DESIGN

3.1 General

Drip rings shall be designed and fabricated in accordance with the applicable specifications, codes, standards and data sheets in ATTACHMENT-1

3.2 Material

3.2.1 Applicable Material This specification shall be applied to the following materials: ASTM A105 ASTM A105 Galvanized ASTM A182 GR.F5 ASTM A182 GR.F11 CL.2 ASTM A182 GR.F304/F304L ASTM A182 GR.F316L ASTM A182 GR.F321

ASTM A350 GR.LF2 GL.1

ASME SA105 ASME SA182 GR.11 CL.2

3.2.2 Limitation of Carbon Content for Carbon Steel Drip Ring The following requirements for chemical properties shall be satisfied:

- C% <= 0.23% - CE% <= 0.43%

Formula of carbon equivalent shall be as follows:

Carbon equivalent: CE = % C + + +

3.2.3 Requirements for ASTM A182 GR. F11 and ASME AS182 GR. F11

(1) The maximum room temperature tensile strength shall be 100,000 psi (7030 kg/cm2). (2) The product analysis content of tin and phosphorous shall be as follows:

Tin ≤ 0.015% Phosphorus ≤ 0.012% The percentage limits are weight percent.

3.2.4 Dual Grade Stainless Steel Material

(1) Dual grade stainless steel material ASTM A182M Gr. F304/F304L and A182M Gr. F316/F316L

are acceptable instead of ASTM A182M Gr. F304L and A182M Gr. F316L respectively. Those dual grade stainless steel materials shall satisfy both the chemical and mechanical properties of A182M Gr. F304 & A182M Gr. F304L and A182M Gr. F316 & A182M Gr. F316L.

(2) However, vendor shall submit the detail application of the dual grade stainless steel material to

Purchaser’s approval prior to manufacturing.

%Mn 6

%Cr + %Mo + %V 5

%Ni + %Cu 15

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(3) Identification of the dual grade stainless steel material shall be marked by low stressed stamp and the marking procedure shall be submitted to Purchaser’s approval.

3.3 Dimensions and Tolerances

Dimensions and tolerances shall be in accordance with ATTACHMENT-2.

3.4 Facing Finish Facing of drip ring shall be finished in accordance with S-000-1360-006. Gasket contact faces shall be matched to the flanges in accordance with the following standard, unless otherwise specified. -ASME B16.5a (24” and smaller)

3.5 Galvanized Drip Ring

3.5.1 When “GALV” is specified in ATTACHMENT-1, the drip ring shall be coated with zinc (Hot-Dip) in accordance with ASTM A153.

3.5.2 Serration for gasket contact face shall be machined after galvanizing.

3.6 Heat Treatment (1) Heat treatment shall be carried out normalizing in accordance with the specification ASTM

A105M & ASME SA105M. (2) Austenitic stainless steel materials shall be solution treated in accordance with ASTM A182M. (3) Type 321 stainless steel drip rings shall be given a stabilization heat treatment in accordance with

the supplementary requirement S10 of ASTM A182M. 4 ALLOY VERIFICATION

Alloy verification (AV) shall be carried out in accordance with S-000-1520-003. Vendor shall submit the alloy verification procedure to Purchaser’s approval.

5 RUST PREVENTION

Rust prevention shall be carried out in accordance with S-000-13A0-101 and the detail procedure shall be submitted to Purchaser’s approval.

6 EXTERNAL PROTECTION External protection shall be carried out in accordance with S-000-1450-001.

7 INSPECTION AND TEST (1) Inspection and test shall be carried out in accordance with the ASTM specification which is

specified in ATTACHMENT-1, S-000-1520-001 and Vendor’s inspection & test plan. (2) Certification shall be required in accordance with S-000-1520-002.

8 MARKING

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(1) The following information shall be die-stamped to the body of drip ring. example -Tag No. DR-001 -Size 2 -Rating CL150 -Material A105 (2) Mark of “AV” for alloy verification shall be indicated on each drip rings in accordance with

S-000-1520-003.

9 SHIPPING AND PACKING

Shipping and packing shall be in accordance with S-000-1450-001.

10 VENDOR’S DOCUMENTS (1) Vendor shall submit the drawings and documents in accordance with S-000-1440-501. (2) Vendor shall submit “Vendor ENG. Document List Input Sheet” to Purchaser within two (2)

weeks after placing a purchase order or letter of intent in order to Purchaser’s vendor document and drawing status control.

(3) Inspection & test plan (ITP) and inspection & test procedure shall be submitted to Purchaser’s

approval. (4) Manufacturing procedure shall be submitted to Purchaser’s approval prior to the manufacturing. (5) Vendor shall submit the instruction for handling and nesting in storage yard in order to protect

from the damage during transit, lifting and installation at construction site.

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QUANTITY 5 28 2 6 1

TYPE A A A A A

SIZE 2” 3” 2” x 1” 3” x 2” 2”


DRAIN HOLE SIZE 3/4” 3/4” 3/4” 3/4” 3/4”

MATERIAL ASTM A105 ASTM A105 ASTM A105 ASTM A105 ASTM A182 GR.F5

LOCATION (P&ID NO.)

34-PT-001 (D-340-1225-102)

36-PT-002 (D-360-1225-104)

36-PT-502 (D-365-1225-104)

37-PT-001 (D-370-1225-102)

37-PT-003 (D-370-1225-102)

13-LT-004 (D-130-1225-102)

13-LT-006 (D-130-1225-103)

26-LT-002 (D-260-1225-112)

32-LT-018 (D-320-1225-130)

34-LT-006 (D-340-1225-103)

34-LT-007 (D-340-1225-103)

35-LT-003 (D-350-1225-108

36-LT-003 (D-360-1225-103)

36-LT-004 (D-360-1225-103)

36-LT-503 (D-365-1225-103)

36-LT-504 (D-365-1225-103)

53-LT-001 (D-530-1225-101)

54-LT-012 (D-540-1225-114)

58-LT-002 (D-580-1225-101)

65-LT-003 (D-650-1225-102)

65-LT-016 (D-650-1225-108)

65-LT-017 (D-650-1225-109)

91-LT-001 (D-910-1225-101)

37-PDT-002 (D-370-1225-102)

37-PDT-004 (D-370-1225-102)

37-PDT-008 (D-370-1225-104)

37-PT-001 (D-370-1225-102)

37-PT-003 (D-370-1225-102)

37-PDT-002 (D-370-1225-102)

37-PDT-004 (D-370-1225-102)

37-PDT-008 (D-370-1225-104)

11-PT-005 (D-110-1225-112)

REMARKS For 2” x 1” reducing flange as per D-000-1360-101

For 3” x 2” reducing flange as per D-000-1360-101

SPARE

CANCEL

CANCEL

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QUANTITY 4 4 1 2 4

TYPE A A A A A

SIZE 3” 3” 2” 2” 3”


DRAIN HOLE SIZE 3/4” 1” 3/4” 3/4” 3/4”

MATERIAL ASTM A182 GR.F5

ASTM A182 GR.F5

ASTM A182 GR.F5

ASTM A182 GR. F316L

ASTM A182 GR.F304

LOCATION (P&ID NO.)

20-PDT-035 (D-200-1225-135)

20-PDT-057 (D-200-1225-135)

21-PDT-001 (D-210-1225-108)

21-PDT-002 (D-210-1225-108)

21-PT-030 (D-200-1225-282)

34-PT-003 (D-340-1225-105)

34-PT-005 (D-340-1225-105)

53-LT-002 (D-530-1225-106)

53-LT-003 (D-530-1225-106)

54-LT-010 (D-540-1225-113)

54-LT-011 (D-540-1225-113)

REMARKS

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ITEM NO. DR-011 DR-012 DR-013 DR-014

QUANTITY 2 2 1 1

TYPE A A A A

SIZE 4” 3” 2” 2”

CONNECTION CL150 RF CL300 RF CL300 RF CL600 RF

DRAIN HOLE SIZE 3/4” 3/4” 1” 3/4”

MATERIAL ASTM A105 ASTM A105 ASTM A182 F5 ASTM A182 F5

LOCATION (P&ID NO.)

38-LT-001 (D-380-1225-101)

38-LT-002 (D-380-1225-101)

62-PDT-043 (D-620-1225-113)

21-PT-007 (D-210-1225-110)

21-PT-031 (D-200-1225-281)

REMARKS SPARE

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ATTACHMENT-2 DIMENSION AND TOLERANCE FOR DRIP RING

TYPE A

INSIDE AND OUTSIDE DIAMETER DRAIN HOLE AND WIDTH B NPS C D E F

NPS A CL 150 CL 300 CL 600 3/4” 18.9 27.7 13 50

2” 52 104 111 111 1” 24.3 34.3 13 60 3” 78 136 148 4” 102 174

2” x 1” 24 104 3” x 2” 52 136

φA±0.8 φB +0

-1.5

φC

φD+0.25 -0

F +2 -0

E (M

in.)

Unit: mm

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DATE 07 − JAN − 2004 SHEET 1 OF 8 PREP’D H. MIHIRA H. M.

CHK’D T. KISO T. K.

APP’D T. AMEMIYA T. A.


OF

“T” TYPE STRAINERS





N/A


0 07-Jan-2004 All For Review H. M T. K T. A

R 23-Jun-2004 5, 7 For Construction H. M T. K T. A

R1 19-Jan-2005 3, 7 Addition of covered sump (110-CVS-001) H. M. T. K. T. A.




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DOC NO: S-000-1360-301 rev.R2 Specification of “T” Type Strainers SHEET : 3 of 8

09004ed5802219a8_--_A4_--_.doc

1. SCOPE

(1) This specification covers the minimum requirements for the “T” type strainer and the covered sump to be applied to SOHAR Refinery Project.

(2) The intent of this specification is not to supersede ANSI/ASME or ASME code, but only to

supplement, amend or limit it as required.

2. APPLICABLE CODES AND STANDARDS 2.1 Data Sheets

S-110-1360-301 Data Sheets for “T” Type Strainers (Unit 1100) S-130-1360-301 Data Sheets for “T” Type Strainers (Unit 1300) S-200-1360-301 Data Sheets for “T” Type Strainers (Unit 2000) S-210-1360-301 Data Sheets for “T” Type Strainers (Unit 2100) S-220-1360-301 Data Sheets for “T” Type Strainers (Unit 2200) S-230-1360-301 Data Sheets for “T” Type Strainers (Unit 2300) S-260-1360-301 Data Sheets for “T” Type Strainers (Unit 2600) S-270-1360-301 Data Sheets for “T” Type Strainers (Unit 2700) S-280-1360-301 Data Sheets for “T” Type Strainers (Unit 2800) S-290-1360-301 Data Sheets for “T” Type Strainers (Unit 2900) S-320-1360-301 Data Sheets for “T” Type Strainers (Unit 3200) S-330-1360-301 Data Sheets for “T” Type Strainers (Unit 3300) S-340-1360-301 Data Sheets for “T” Type Strainers (Unit 3400) S-350-1360-301 Data Sheets for “T” Type Strainers (Unit 3500) S-360-1360-301 Data Sheets for “T” Type Strainers (Unit 3600) S-370-1360-301 Data Sheets for “T” Type Strainers (Unit 3700) S-380-1360-301 Data Sheets for “T” Type Strainers (Unit 3800) S-400-1360-301 Data Sheets for “T” Type Strainers (Unit 4000) S-410-1360-301 Data Sheets for “T” Type Strainers (Unit 4100) S-420-1360-301 Data Sheets for “T” Type Strainers (Unit 4200) S-510-1360-301 Data Sheets for “T” Type Strainers (Unit 5100) S-530-1360-301 Data Sheets for “T” Type Strainers (Unit 5300) S-540-1360-301 Data Sheets for “T” Type Strainers (Unit 5400) S-580-1360-301 Data Sheets for “T” Type Strainers (Unit 5800) S-610-1360-301 Data Sheets for “T” Type Strainers (Unit 6100) S-620-1360-301 Data Sheets for “T” Type Strainers (Unit 6200) S-630-1360-301 Data Sheets for “T” Type Strainers (Unit 6300) S-640-1360-301 Data Sheets for “T” Type Strainers (Unit 6400) S-650-1360-301 Data Sheets for “T” Type Strainers (Unit 6500) S-690-1360-301 Data Sheets for “T” Type Strainers (Unit 6900) S-910-1360-301 Data Sheets for “T” Type Strainers (Unit 9100)

2.2 Standard Drawing

D-000-1360-113 Standard Drawing Covered Sump (CVS-001) 2.3 Specifications

S-000-13A0-001 General Specification for Painting S-000-13A0-101 General Specification for Rust Prevention S-000-1360-006 Specification of Flange Face Finish S-000-1420-501 Project Specification for Spare Parts List Preparation S-000-1440-501 Instruction for Vendor’s Documentation S-000-1440-502 Requirements for Electronic Data Submission S-000-1450-001 Project Shipping & Packing Instructions

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S-000-1520-001 Inspection Coordination Procedure with Vendor S-000-1520-002 Material Certification and Traceability Requirements S-000-1520-003 Alloy Verification Requirements S-000-1520-005 Non-Conformance Control Procedure with Vendor S-000-1520-006 Inspection Record Book Requirements

JGS 499-999-5-02E Control of Monitoring and Measuring Devices, Product Status and Nonconforming Products

2.4 ANSI/ASME or ASME

B1.1 -1989 Unified Inch Screw Thread (UN and UNR thread form) B1.20.1 -1983 Pipe Thread, General Purpose (Inch) B16.20a -2000 Metallic Gaskets for Pipe Flanges-Ring Joint, Spiral-Wound, and Jacketed B16.21 -1992 Nonmetallic Flat Gaskets for Pipe Flanges B16.5a -1998 Pipe Flanges and Flanged Fittings B16.9 -2001 Factory-Made Wrought Buttwelding Fittings B36.10M-1995 Welded and Seamless Wrought Steel Pipe B31.3 -2002 Process Piping

2.5 Others

ASTM Standards, Annual Books -2002 NACE MR0175 -2002 Sulfide Stress Cracking Resistant Metallic Materials for Oilfield Equipment

3. DESIGN

3.1 General

(1) “T” type strainers shall be designed and fabricated in accordance with ASME B31.3 and data

sheets, “S-xxx-1360-301”.

(2) Flow indication shall be clearly and permanently marked on the bodies, nameplate or flange rim. (3) Seamless pipe/fittings shall be used for “T” type strainer components as follows:

- Carbon steel and low alloy steel : 16” and smaller - Stainless steel : 6” and smaller

(4) Body flanges shall be weld neck type in accordance with ASME B16.5.

(5) Vendor shall submit general assembly drawings which shall include overall dimensions, tolerances and approximate weight (kg) for purchaser’s review and approval.

3.2 Materials 3.2.1 Chemical requirements for carbon steel bodies and covers

Carbon content and carbon equivalent (CE) shall conform to the following requirements:

Material Typical Designation Carbon Content Carbon Equivalent* Pipe API 5L-B/A106-B/A333-6 ≦0.23% ≦0.43% Fittings A234-WPB/A420-WPL6 ≦0.23% ≦0.43% Forged steel A105/A350-LF2-CL1 ≦0.23% ≦0.43%

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* CE = %C + %Mn/6 + (%Cr + %Mo + %V)/5 + (%Ni + %Cu)/15 3.2.2 Requirements for NACE

(1) When “Y” is indicated in the NACE column of data sheets, the materials including internal components and bolts/nuts shall conform to the requirements of NACE MR0175. In this case, “NACE” shall be marked on the nameplate, as per paragraph 7.

(2) In addition to (1), all welds of carbon steel except socket welds shall have a maximum weld

hardness of 200 Brinell. At least one hardness reading shall be taken of every piping weld joint with the reading taken near the center of the weld. Reading shall be taken with a Telebrineller or equal instrument calibrated at 200 Brinell. Where weld hardnesses exceed 200 Brinell, the welds shall be post weld heat treated in accordance with ASME B31.3.

3.2.3 Gaskets

(1) Asbestos materials shall not be used for any type of gaskets. (2) Materials shall be suitable to the fluids and design conditions specified in data sheets.

3.2.4 Material substitution

Materials of body and screen can be substituted with equivalent or higher material comparing to the specified materials in data sheets. Vendor shall notify the substituted material in proposal for purchaser’s approval if vendor intends to propose substituted material.

3.3 Screen

(1) Detailed requirements of screens are specified in data sheets. (2) Definitions of effective screen area and open area, which are shown in data sheets, are as follows: Definition

Effective screen area Total surface area of screen, indicated by % of pipe cross-sectional area

Open area Total area of openings at which fluid can go through by % of effective screen area

Example Effective screen area (Ae) : 250 % Ae = 2.5 x A1 Open area (Ao) : 40 % Ao = 0.4 x Ae = 0.4 x 2.5 x A1

A1 = pipe cross-sectional area

(3) The screens shall have sufficient strength against the specified fluid design conditions. Especially, screens of compressor suction strainers shall withstand differential pressure of more than 5.0 bar.

(4) When “NOTE 1”, “NOTE 2” or “NOTE 7” is indicated in the data sheets, the screen shall be

designed in accordance with the following requirements: NOTE 1 Either a perforated plate with 3 mm (1/8 inch) diameter holes or 6 mesh screen

with 1.5 mm (0.063 inch) diameter wire. NOTE 2 Either a perforated plate with 6 mm (1/4 inch) diameter holes or 3 mesh screen

with 3 mm (0.125 inch) diameter wire. NOTE 7 Vendor can select suitable % of min. effective screen area and min. open area in

order to meet the following requirement: Total opening area : 400 % of pipe cross sectional area ____

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09004ed5802219a8_--_A4_--_.doc

3.4 Flange Facing Finish

Facing finish of the end flanges shall be in accordance with S-000-1360-006, “Specification of Flange Face Finish”.

3.5 Hinge Hinge shall be equipped on the cover in accordance with the following criteria: - CL150 10” and larger - CL300 8” and larger - CL600-1500 6” and larger The hinge material shall be same as the body material. 4. Heat Treatment

When “Y” is indicated in the PWHT columns of data sheets, post weld heat treatment shall be performed on all welds in accordance with ASME B31.3.

5. Non Destructive Examination

(1) Girth butt welds in strainer shall be subject to radiography in accordance with the following table, and meet the requirements of the ASME Boiler and Pressure Vessel Code, Section VIII, paragraph UW-51.

Materials Extent of RT

Carbon steel Stainless steel (except type 321/347)

Random 10 %

Low temperature carbon steel Low alloy steel Type 321/347 stainless steel

100 %

(2) All welds other than butt welds shall be examined with PT or MT. 6. Hydrostatic Testing

Hydrostatic testing shall be performed in accordance with ASME B31.3. If hydrostatic testing cannot be performed, such as larger size buttwelding ends strainers, all girth butt welds shall be subject to 100 % radiography.

7. Identification of Products

Each “T” type strainer shall have a nameplate and the position of nameplate shall be submitted for Purchaser’s approval (refer to paragraph 11). Nameplates shall indicate the following items: (1) Nominal size (2) Rating (3) Material symbol (4) Tag number (5) Manufacturer’s name (6) “NACE” mark (if applicable, as per paragraph 3.2.2) (7) “AV” mark (if applicable, as pre paragraph 8)

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09004ed5802219a8_--_A4_--_.doc

8. Alloy Verification

Alloy verification (AV) shall be carried out in accordance with S-000-1520-003. Vendor shall submit the alloy verification procedure for Purchaser’s approval.

9. MATERIAL CERTIFICATION AND TRACEABILITY

Material certification and traceability shall be in accordance with S-000-1520-002, and its procedure shall be submitted for purchaser’s approval.

10. PAINTING AND RUST PREVENTION

Surface painting is not required, and rust prevention shall be provided in accordance with paragraph 3.3.2 of R-216G-301.

11. INSULATION THICKNESS

(1) When “Y” is indicated in insulation column of data sheets, hot insulation will be provided on the “T” type strainers at field. Insulation thickness shall be in accordance with ATTACHMENT-1.

(2) Nameplate, etc., shall be designed taking account of the insulation thickness.

12 REQUIREMENT FOR SHIPPING

Bolts for cover flanges shall be kept loose in order not to press the gaskets during shipping. 13 REQUIREMENTS FOR COVERED SUMP

13.1 General

(1) Covered sump will be used for filtering cokes in decoking quench drum. (2) Covered sump shall be designed and fabricated in accordance with D-000-1360-113. (3) Materials of covered sump shall be in accordance with D-000-1360-113. (4) Tag number and quantity of covered sump are as follows:

Tag No. Quantity 110-CVS-001 1 pc

(5) Flange dimensions and flange face finish shall be in accordance with paragraph 3.1 (4) and 3.4.

13.2 Non-Destructive Examination Magnetic particle examination or dye penetrant examination shall be performed on all welds.

13.3 Identification Name plate for covered sump shall be in accordance with paragraph 7.

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AS BUILT



09004ed5802219a8_--_A4_--_.doc

ATTACHMENT-1 THICKNESS TABLE FOR HOT INSULATION INSULATION MATERIAL : Mineral Fiber

(mm) PIPE

DIAMETER NORMAL OPERATION TEMPERATURE (°C)

NPS (inch)

(mm) 100 150 200 250 300 350 400 450 500 550 600 650

3/4” 26.7 25 25 25 40 40 50 65 65 65 75 90 100

1” 33.4 25 25 25 40 40 50 65 65 75 75 90 115

1-1/2” 48.3 25 25 25 40 40 50 65 75 75 90 100 115

2” 60.3 25 25 40 40 50 50 65 75 75 90 100 115

3” 88.9 25 30 40 40 50 65 75 90 90 100 115 125

4” 114.3 25 30 40 40 50 65 75 90 90 100 115 140

6” 168.3 25 30 40 50 50 75 90 100 100 115 125 150

8” 219.1 25 30 40 50 50 75 90 100 100 115 140 150

10” 273.1 25 30 40 50 50 75 90 100 100 125 140 165

12” 323.9 25 30 40 50 65 75 100 115 115 125 150 165

14” 355.6 30 40 40 50 65 75 100 115 115 125 150 175

16” 406.4 30 40 40 50 65 75 100 115 115 140 150 175

18” 457.2 30 40 40 50 65 75 100 115 115 140 150 175

20” 508.0 30 40 40 50 65 90 100 115 115 140 165 175

24” 609.6 30 40 40 50 65 90 100 115 115 140 165 190

30” 762.0 30 40 40 50 65 90 100 125 125 140 165 190

36” 914.4 30 40 40 50 65 90 100 125 125 150 165 200

Flat Surfaces 30 40 40 50 75 90 100 125 140 165 190 225

Note : (1) Thickness tables calculated using 3E PLUS Insulation Thickness Computer Program Ver 3.0. (2) Multiple layers shall be provided for thickness above 80 mm.

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AS BUILT

Sohar Refinery CompanySOHAR Refinery ProjectData Sheets for "T" Type Strainers

JOB CODE: 0-3100-25DOC NO: S-220-1360-301 rev.R2

SHEET: 4 of 9

4. DATA SHEET

Tag No. 220-SRT-005

Quantity [pcs] 2

Type Bath Tub

Size & Connection 10" BW SCH30

Design Conditions

Pressure [bar(g)] 36

Temperature [oC] 120

Operating Conditions

Fluid Hydrocarbon Condensate

Pressure [bar(g)] 6.08

Temperature [oC] 37

Flow Rate [m3/hr] 295

Density [kg/m3] 719 / Max

Viscosity [cP] 0.4

Allowable Max. Pressure Drop [bar] 0.03

Materials

Pipe A106-B SCH30

Body and Flange Forging A105 #300

Fitting A234-WPB SCH30

Bolt & Nut A193-B7/A194-2H

GasketSPIRAL-WOUND,

W:SS304/F:GRPH, OR:CS, 4.5MM

Perforated Plate TP304 or Equivalent

Screen TP304 or Equivalent

Perforated Plate Hole Diameter [NOTE 1]

Mesh [NOTE 1]

Wire Size [mm] [NOTE 1]

Temporary Mesh 30 mesh

Min. Effective Screen Area [%] 250

Min. Open Area [%] 40

Drain Connection 3/4" on body flange with isolation valve

Insulation (Y: Yes, N: No) N

Corrosion Allowance [mm] 1.5

NACE (Y: Yes, N: No) Y

PWHT (Y: Yes, N: No) N

P&ID No. D-220-1225-103

Line No. P22010305/P22010306

(Equip. No.) P-2201A/B

Line Class / Rating A2A1N / CL300

Notes NOTE 1: See paragraph 3.3(4) of S-000-1360-301

Either a perforated plate with 3 mm (1/8 inch) diameter holes or 6 mesh screenwith 1.5 mm (0.063 inch) diameter wire.

S-220-1360-301_R2_0002.xls



1 Orpic Definitions and RFQ/PO Instructions to Bidders for RFQ, PO & PC

1.1 Orpic is the brand name of Oman Oil Refineries and Petroleum Industries Company SAOC (Commercial Registration Number 1113003). OrpicAromatics is the brand name of Aromatics Oman LLC (Commercial Registration Number 1798189). Orpic Refineries is the brand name of OrpicRefineries LLC (Commercial Registration Number 1134221). Orpic Plastics is the brand name of Orpic Plastics LLC (Commercial Registration Number1218747). The Orpic brand represents the integrated management of these operating companies and this RFQ may be issued by Orpic for and onbehalf of any or all of these operating companies, together with Orpic#s and their respective co-ventures, affiliates, officers, employees and agents,collectively the #Orpic Group".

1.2 Bidder is Company responding to this RFQ with a Quotation. Bidder is requested to acknowledge receipt of this RFQ by return email to theProcurement Officer who issued the RFQ.

1.3 Seller/Contractor. For the purposes of this document Seller and Contractor shall mean the party that is contracted to Orpic.

1.4 Purchase Order, Service Order, Contract and Agreement shall mean the same.

1.5 Scope of Supply and/or Services shall be attached separately (if applicable)

1.6 Party means either of Orpic or the Seller/Contractor and Parties means both of them together.

1.7 Price means the price as more particularly described in the Service Order to be paid by Orpic to the Contractor.

1.8 Registration Requirements.Unless otherwise agreed by Orpic Bidder must be registered with Orpic & Joint Supplier Registration System (JSRS) as an approved Seller for thematerials / services to be offered by their Quotation. If Bidder is not registered, the registration forms are available from Orpic Procurement &Contracting Dept, PP Building, Sohar. Bidders may contact the Procurement Officer who issued the RFQ to arrange to collect the forms. These formsmust be completed and submitted by Bidder not less than 10 days before the Submission Date of this RFQ. Bidders must sign Orpic's ConfidentialityDeclaration or Non-Disclosure Agreement, (NDA) as directed by the Procurement Officer and submit with the Seller registration forms or the Quotation.

1.9 Quotation. Bidder shall submit its Quotation by completing the necessary sections of the enclosed Orpic RFQ only. Bidder may only indicatedeviations relating to the subject matter of the RFQ by clearly indicating where the Quotation differs from the RFQ requirements and any proposedamendments. However Orpic is not obliged to accept any deviations. Bidder shall provide the complete breakdown of pricing required. The Quotationand any resultant Purchase Order/Service Order shall be governed by Orpic General Conditions for Purchase and Minor Services, attached below, andOrpic may not accept any changes to these General Conditions of the Purchase Order for Purchase and Minor Services. Bidder must submit two signedcopies of the Purchase Order with all sections duly completed. Submitting a Quotation in any other format may result in Bidder's Quotation beingrejected at Orpic's sole discretion.

1.10 Acceptance. Acceptance by Orpic will be confirmed by the issuance of a Purchase Order/Service Order within the Quotation validity period whichshall be binding. One countersigned copy of the Purchase Order/Service Order may be returned to the Bidder.

1.11 Clarifications. If Bidder requires any further information or clarification regarding this RFQ then a request for clarification shall be sent in writing tothe Procurement Officer who issued the RFQ and whose name and email is stated above.

1.12 Regrets. If Bidder is not in a position to submit a Quotation, Bidder is requested to confirm by email to the Procurement mail.

1.13 Advance Payment Bond. If Orpic agrees to an Advance Payment then it will be on condition that the successful Bidder submits an AdvancePayment Bond in accordance with the General Conditions Applicable for Procurement of Goods and Services and in the exact format detailed inAppendix 3. If an Advance Payment for supply of Goods or Services is agreed then an Advance Payment Bond and or Bank Guarantee from aregistered bank in the Sultanate of Oman, acceptable to Orpic, in an amount equal to the Advance Payment shall be submitted by the Seller/Contractorto Orpic. Submission of any Advance Payment Bond or Bank Guarantee from a registered bank outside of the Sultanate of Oman shall be pre-approvedby Orpic prior to submission.

1.14 Submission of Quotation. The date, method and location for submitting the Quotation will be indicated on the front page of the RFQ. Any Quotationreceived after this date & time will be rejected or accepted at Orpic#s sole discretion.

1.15 No Obligation. Orpic is not obliged to accept the lowest priced Quotation or any Quotation. Orpic is not obliged to provide any reasons for rejectingany Quotation. Orpic may, at its sole discretion, reduce or increase the quantity ordered or split orders between Bidders.

1.16 Extension. Bidder must request any extension of time not less than 48 hours before the Submission Date. Orpic may or may not agree to award anextension at its sole discretion.

1.17 Validity. Bidder's Quotation shall be valid for not less than ninety (90) days from the Submission Date.

1.18 Tax means any and all net income, gross income, gross receipts, sales, use ad volorem, transfer, franchise, net worth, profits, license, lease,service, service use, withholding, payroll, employment, excise, severance, stamp, occupation, premium, property, real property taxes and fees, customs,duties or other taxes, fees, assesments levies, charges or other impositions of any kind whatsover or obligatory charge of like or equivalent nature,together with any interest thereof and any and all penalties, additions to tax, or additional amounts with respect thereto, imposed by or on behalf of anyGovernmental Authority.

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2. General Conditions Applicable for Procurement of Goods and Services

2.1 Payment. The Price of the Goods and/or Services shall be the amount set out in the Purchase/Service Order. The Price is the total amount due tobe paid by Orpic to the Seller in respect of satisfactory performance by the Seller/Contractor of its obligations under this Purchase/Service Order. ThePrice is inclusive of amounts in respect of any applicable taxes duties or similar charges and for Goods includes the costs of packaging, insurance andcarriage of the Goods. No extra charges shall be effective unless agreed in writing and signed by Orpic. All costs associated with preparation ofSeller's/Contractor#s bid, quotation, development of offer or related to this Purchase/Service Order are for Seller's/Contactor#s account. Any legalizationcosts for packaging and documentation including Material Test Certificates or Conformance Certificates are for Seller's account. The Seller may invoiceOrpic for the Goods on or at any time after the completion of delivery. The Contractor may invoice Orpic for the Services performed on or at any timeafter Completion or as set out in the Scope of Services. Seller shall submit following documents for payment: Invoice; PO / PC copy; and Proof ofdelivery / service completion report.

2.2 Orpic shall pay undisputed and correctly rendered invoices from the Seller/Contractor within thirty (30) days of the later of either receipt of theinvoice or Completion of the Services or to acceptance of the Goods, as the case may be. Payment shall be made to the Contractor's bank account. Inthe event of a dispute over all part of an invoice, Orpic shall pay the undisputed part in accordance with this Clause and the Parties shall discuss in goodfaith to resolve the disputed part. Orpic may, without limiting any other rights or remedies it may have, set off any amount owed to it by theSeller/Contractor against any amounts payable by it to the Seller/Contractor under this Purchase/Service Order.

2.3 Audit Rights. Orpic shall have the right, to inspect and audit any of Seller's/Contractor#s records, including data stored on computers, books,personnel records, accounts, correspondence, memoranda, receipts, vouchers and other papers of every kind in connection with this Purchase/ServiceOrder and/or Goods and all transactions related thereto as may be necessary in the opinion of Orpic to verify that the requirements of thisPurchase/Service Order are being met and shall have access to all information relating to the rates and prices as may reasonably be required to verifypayments made to or by Seller/Contractor under or pursuant to this Purchase/Service Order. Such inspections and audits may be carried out by Orpic inrespect of this Purchase/Service Order at any time until expiry of twenty four (24) months from the end of the calendar year in which thisPurchase/Service Order is terminated or completed. Orpic shall use all reasonable endeavours to conduct any such inspections and audits in a mannerwhich shall result in a minimum of inconvenience to Seller/Contractor.

2.4 Liability & Indemnity. The Seller/Contractor shall indemnify Orpic against all liabilities, costs, expenses, damages and losses (including but notlimited to any direct losses and all interest, penalties and legal and other professional costs and expenses) suffered or incurred by Orpic arising out of orin connection with: a) any claim made against Orpic for actual or alleged infringement of a third party's IP Rights arising out of, or in connection with, thesupply or use of the Goods; b) any claim made against Orpic by a third party arising out of, or in connection with, the supply of the Goods, to the extentthat such claim arises out of the breach, negligent performance or failure or delay in performance of this Purchase/Service Order by theSeller/Contractor, its employees, agents or subcontractors; and c) any claim made against Orpic by a third party for death, personal injury or damage toproperty arising out of, or in connection with, defective Goods, to the extent that the defect in the Goods is attributable to the acts or omissions of theSeller/Contractor or Manufacturer, its employees, agents or subcontractors.

The Seller/Contractor shall indemnify Orpic from and against all claims ,liabilities or losses arising by reason of the following if connected with theperformance of this Purchase/Service Order: a) all injury to ,death, or illness of persons in the Supplier Group; and b) all damage to or loss of property ofthe Supplier Group, even if caused by negligence or fault of the Orpic Group or any other person. The Seller/Contractor shall indemnify Orpic from andagainst all claims, liabilities or losses arising by reason of the following if connected with the performance of this Contract: a) all injury to, death, orillness of third parties; and b) all damage to or loss of third parties' property, to the extent caused by the negligence or fault of the Supplier Group, even ifcontributed to by the joint or concurrent negligence or fault of the Orpic Group or any other person; provided that, in the event of joint or concurrentnegligence or fault of the Supplier Group and the Orpic Group, the Supplier's indemnification obligation shall be limited to the Supplier Group'sproportionate share of such negligence or fault.

Orpic shall indemnify the Seller/Contractor from and against all claims, liabilities or losses arising by reason of the following if connected with theperformance of this Purchase/Service Order: a) loss of or damage to Orpic's property, except that nothing in this clause will in any way limitSeller/Contractor's obligations to remedy defects, whether owned, leased or otherwise obtained under arrangements with financial institutions arisingfrom or related to the performance of this Purchase/Service Order; b) Personal injury including death or disease to any person who is an employee ofOrpic arising from or relating to the performance of this Purchase/Service Order; c) subject to any other express provisions of this Purchase/ServiceOrder, personal injury including death or disease or loss of or damage to the property of any third party to the extent that any such injury, loss or damageis caused by Orpic's negligence or breach of duty (whether statutory or otherwise).

2.5 Consequential Loss shall mean: Consequential loss; and/or loss of production, loss of product, loss of use, loss of business and businessinterruption and loss of revenue, profit or anticipated profit whether direct or indirect arising from or related to the performance of this Purchase/ServiceOrder, whether or not such losses were foreseeable at the time of entering into this Purchase/Service Order. Except to the extent of any agreedremedies expressly provided for in this Agreement but notwithstanding anything else to the contrary in this Agreement, neither Orpic nor Contractor shallbe liable to the other for any Consequential Loss which may be suffered by the other in connection with this Agreement.

2.6 Applicable Law and Dispute Resolution. The laws of the Sultanate of Oman shall govern the construction, validity and performance of thisPurchase/Service Order. Unless otherwise agreed, any dispute arising out of or in connection with this Purchase/Service Order which cannot beresolved to the mutual satisfaction of the Parties then the Parties hereto agree to submit to the jurisdiction of the courts of Oman to resolve any matter indispute.

2.7 Force Majeure. Except as may be specifically otherwise provided in this Purchase/Service Order, neither Party shall be liable for delays inperformance or for non-performance directly occasioned or caused by Force Majeure. Force Majeure means Acts of God, war (declared andundeclared), riots, civil commotion, revolution, hostilities, epidemics, blockades, nuclear hazards, extreme weather conditions, acts of any Governmentcausing a political embargo or other political restraint adversely affecting the freedom to transact business with or in the Sultanate of Oman and anyother similar cause or of equivalent force occurring within the Sultanate of Oman which is beyond the control of the Parties, unavoidable and whichcould not reasonably be foreseen and which renders impossible the fulfilment of a particular term of this Purchase/Service Order. Strikes, lockouts or

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differences with workers which are limited to Seller/Contractor's personnel or those of Seller/Contractor's sub-Seller/Contractors and inability of eitherParty to secure funds shall not be regarded as Force Majeure.

2.8 Assignment and Sub-Contracting. Seller/Contractor may not assign, subcontract or transfer any part of this Purchase/Service Order or theobligations of Seller/Contractor under or related to this Purchase/Service Order without the prior written approval of Orpic. Approval by Orpic of asub-contractor shall not relieve Seller/Contractor from its responsibility for performance of the part of this Purchase/Service Order that is subcontracted.

2.9 Confidential Information. All information obtained by Seller/Contractor for or in connection with this Purchase/Service Order and Seller/Contractor'ssupply of the Goods/Services shall be considered confidential and shall not be used by Seller/Contractor other than for the purposes of supplying theGoods/Services, or divulged by Seller/Contractor, its servants or agents to any person, firm or corporation other than Orpic#s designated representative.The foregoing restrictions shall not apply to any information disclosed by Orpic to Seller/Contractor which: a) At the time of disclosure is in the publicdomain, or b) After disclosure becomes part of the public domain, or c) Seller/Contractor can show was rightfully in its possession at the time ofdisclosure without limitation or restriction as to use or disclosure, and was not acquired directly or indirectly from Orpic, or d) Seller/Contractor rightfullyreceives from any third party who did not receive such information directly or indirectly from Orpic with limitation or restriction as to use or disclosure.

2.10 Termination. In the event of Seller/Contractor's failure to perform or other breach of this Purchase/Service Order, Orpic shall have the right toterminate this Purchase/Service Order forthwith without being first obliged to seek any remedy by Seller/Contractor. Termination under this clause shallbe at no extra cost to Orpic. Orpic reserves the right to terminate this Purchase/Service Order at any time by giving Seller/Contractor written notificationspecifying the date of termination. Orpic shall pay Seller/Contractor for Goods satisfactorily delivered and accepted and Services satisfactorilyperformed and accepted up to the date of termination and other reasonable associated direct costs incurred in complying with Orpic's instructions. In noevent shall Seller/Contractor be entitled to any prospective profits or any damages resulting from such termination.

2.11 Costs. Each Party shall pay its own costs incurred in connection with the negotiation, preparation, execution and performance of this agreementand any documents referred to in it.

2.12 Variation. No variation of this agreement shall be effective unless it is in writing and signed by the Parties (or their authorised representatives).

2.13 Waiver. No failure or delay by a Party to exercise any right or remedy provided under this agreement or by law shall constitute a waiver of that orany other right or remedy, nor shall it prevent or restrict the further exercise of that or any other right or remedy. No single or partial exercise of suchright or remedy shall prevent or restrict the further exercise of that or any other right or remedy.

2.14 Language. This Purchase/Service Order is drafted in the English language. If this Purchase/Service Order is translated into any other language, theEnglish language version shall prevail.

2.15 Notices. A notice given to a Party under or in connection with this Purchase/Service Order shall be in writing and sent to the Party at the address orto the fax number given in this Purchase/Service Order or as otherwise notified in writing to the other Party. Any notice given under or in connectionwith this Purchase/Service Order shall be in the English language. All other documents provided under or in connection with this agreement shall be inthe English language, or accompanied by a certified English translation. If such document is translated into any other language, the English languageversion shall prevail unless the document is a constitutional, statutory or other official document.

2.16 Anti-Bribery and Corruption. A Person shall be defined as a third party including, but not limited to: government officials (including directors,officers and employees of government owned and/or controlled entities); any director, officer or employee of Orpic or its subsidiaries, or their relatives;any candidate for public office; or any agents or intermediaries of any of the foregoing. The Seller/Contractor agrees and confirms that, in connectionwith the award or execution of the Purchase/Service Order, and any and all transactions contemplated by this Purchase/Service Order, it will fullycomply with all applicable legislation relating to anti-bribery and anti-corruption, including, but not limited to, Royal Decrees (including: Royal Decree 7 of1974 promulgating the Oman Penal Code; Royal Decree 112 of 2011 promulgating the Law of the Protection of Public Funds and Avoidance ofConflicts; and Royal Decree 64 of 2013 ratifying the United Nations Convention Against Corruption), regulations, ministerial directions and orders of theSultanate of Oman. The Seller/Contractor agrees and confirms that it, and each of its affiliates, and their respective directors, officers, employees,agents and any other person acting on its, or their, behalf has not, and will not, directly or indirectly, make, offer, authorise, promise, mediate or becomeany way involved in a payment or transfer of anything in value, including the provision of any advantage or any showing or providing favour or disfavourto anybody, or any service, gift, entertainment, promise, reward, rebate, discount, contribution, commission, incentive, inducement, to any Person whichis intended to be, or could reasonably be construed or perceived as being, an inducement or reward for that Person doing or not doing any act, orpromising to do or not to do any act. The Seller/Contractor agrees and confirms that, in connection with the award or execution of the Purchase/ServiceOrder, and any and all transactions contemplated by this Purchase/Service Order, it has and will apply effective anti-bribery and corruption reporting anddisclosure controls and procedures and has and will maintain internal accounting systems that are sufficient to show, in reasonable detail, alltransactions undertaken in relation thereto. Without prejudice to any other rights that the Seller/Contractor may have under law or otherwise, should theSeller/Contractor be considered to be in breach of any of the above provisions, Orpic may, upon written notice, immediately disqualify theSeller/Contractor from bidding, quoting, tendering, applying for or otherwise entering into the proposed Purchase/Service Order or terminate thisPurchase/Service Order (as the case may be) and refuse to allow the Seller to bid, quote, tender, apply or enter into any further or futurePurchase/Service orders, contracts or agreements with Orpic. The Seller/Contractor shall defend, indemnify and hold Orpic harmless from and againstany and all claims, damages, losses, penalties, costs and expenses arising from or related to, any breach of its commitments in this clause. Thisindemnity obligation shall survive termination or expiration of this Purchase/Service Order.

2.17 Business Ethics. In connection with Seller/Contractors performance of this Purchase/Service Order, Seller/Contractor undertakes that it willundertake and agree to act consistently with and to adhere to the principles of Orpic's General Business Principle in connection with Seller/Contractor'sperformance of this Purchase/Service Order. Failure to comply with this provision may constitute a Material Default giving rise to termination.

2.18 IP / Software. Where, as part of the performance under this Agreement, Contractor/Seller provides licensed software, Contractor/Seller shallprovide Orpic with a non-exclusive licence to use the software solely for Orpic's operational purposes. Orpic agrees to defend, indemnify and holdharmless Contractor from all damages and third party claims causes of action or damage arising from unauthorised use of the licensed software.

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2.19 HSE. Contractor/Seller shall ensure that all personnel required to enter Orpic's offices or sites in connection with this Agreement shall observeOrpic's Health, Safety and Environmental policies and regulations and Orpic's work site specific safety rules and policy. In particular the rules forPersonal Protective Equipment (PPE) will be followed. Any required PPE shall be provided by Contractor to its personnel at no additional cost to Orpic.Contractor/Seller shall ensure that all Goods delivered under this Purchase/Service Order shall be using vehicles suitable for the purpose of deliveringthe Goods, and shall at a minimum be registered commercially and include the insurances required under Omani law for commercially registeredvehicles. Orpic shall be entitled to reject the Goods, or the delivery thereof, if delivery is attempted in privately registered vehicles.

2.20 Patent Rights. Contractor/Seller shall release, defend, indemnify and hold Orpic harmless against all claims, liabilities, damages, losses, costs andexpenses (including lawyers# fees) concerning infringement or alleged infringement of any patent, registered design, trade mark, service-mark, copyrightor other intellectual property rights which may arise from anything done by or for Contractor/Seller in relation to the Services performed or Goodssupplied under the Service Order/Purchase Order.

2.21 Title and Risk. Title and risk in any Goods or Services provided as part of the Contract shall pass to Orpic on Completion.

2.22 Progress Checks, Inspections and Tests. Orpic shall be entitled to inspect the Goods or Services and any work thereon and to carry out any testsas it may require before delivery or acceptance. Seller/Contractor shall afford Orpic's representative every facility for such purposes, including access toContractor's site at all reasonable times. Any such inspection or tests shall not in any way relieve Seller/Contractor from any of its obligations under theAgreement.

2.23 Drawing and Technical Data. Contractor must comply with all general and specific requirements relating to drawings and technical data as set outin Purchase Order/ Purchase Contract. Any deviation from or modification to specifications of the Goods or Services as set out in Purchase Order/Purchase Contract is subject to Orpic's written approval. Seller/Contractor shall, when requested by Orpic, provide drawings and technical data forapproval and/or record purposes. Any such approval shall not imply that Orpic is responsible for the accuracy of any drawings or technical data otherthan its own.

2.24 Tax matters. The Seller/Contractor shall be responsible for reporting, filing, and payment of any taxes, duties, charges, or fees (and any relatedfines, penalties, or interest) imposed directly or indirectly onthe Contractor or the Contractor's employees and agents, as a result of the delivery of theScope of Work to Orpic in accordance with the provisions of this Agreement. The Contractor shall pay all taxes properly and lawfully assessed orimposed by any competent authority having jurisdiction in connection with the delivery of the Scope of Work to Orpic in accordance with the provisionsof this Agreement. Orpic shall have no liability whatsover to pay any taxes except any taxes properly assessed by any competent authority as beingpayable by Orpic in relation to this Agreement. The Contractor shall indemnify and keep indemnified Orpic against all liabilities incurred by Orpic as aconsequence of breach by the Contractor of any of the obligations under or in relation to this clause and all actions, proceedings, claims, damages,charges, costs and expenses whatsover in relation thereto.

2.25 Withholding Tax Deductions. The Seller/ Contractor shall be responsible for assessing and taking into account in its Price, the Contractor'spotential tax liability, including withholding tax liabilities, based on current Omani law and the Contractor's plans for executing the Agreement. In theevent that withholding tax is applicable in connection with the delivery of the Scope of Work by the Contractor to Orpic in accordance with the provisionsof this Agreement, the Contractor must: a) clearly separately specify which services are subject to withholding tax and which ones are not; and b)separately invoice charges for works or services which are subject to withholding tax. In the event that Orpic determnes, in line with Orpic#sinterpretation of Omani legal requirements, that withholding tax is applicable then Orpic will withhold, from sums otherwise due to the Contractor,amounts required by applicable law to be withheld and paid to the appropriate taxing authorities, and shall provide to the Contractor all receipts forpayment of the amounts. It shall be the Contractor's responsibility to provide to Orpic written confirmation fro m the Ministry of Finance, SecretariatGeneral for Taxation in order to verify that withholding tax is not applicable.

3. General Conditions Applicable for Procurement of Goods Only (Purchase Orders)

3.1 Purchase Order means the contract between Orpic and the Seller for the sale and purchase of the Goods in accordance with the followingdocuments which are to be read and construed in the following order of priority: a) Purchase Order; b) Particular Conditions; and then c) GeneralConditions.

3.2 Delivery Period means the date(s) on which the Goods must be delivered as set out in the Purchase Order.

3.3 Delivery Location means the location specified by Orpic for the Goods to be delivered as set out in the Purchase Order.

3.4 Goods means the goods as more particularly described in Purchase Order.

3.5 The Contract. Orpic agrees to buy and the Seller agrees to sell and deliver the whole of the Goods to Orpic in accordance with the terms of thisPurchase Order.

3.6 Seller's Obligations

3.6.1 Delivery. Seller expressly agrees that time is of the essence for delivery of the Goods. Seller shall inform Orpic well in advance about the planneddelivery of goods. If the Seller requires Orpic to return any packaging material to the Seller, that fact is clearly stated on the delivery note. Any suchpackaging material shall be returned to the Seller at the cost of the Seller. The Seller shall deliver the Goods: a) On the Delivery Date; b) To the DeliveryLocation; and c) During Orpic's normal business hours, or as instructed by Orpic; d) in accordance with the INCOTERMS set out in the Purchase Order.Delivery of the Goods shall be completed on the completion of unloading the Goods at the Delivery Location. Documents required for custom clearanceand delivery of goods: Airway bill or bill of lading; Invoice; Packing list; and Certificate of Origin.

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3.6.2 If the Seller: a) Delivers less than [95] % of the quantity of Goods ordered, Orpic may reject the Goods; or b) delivers more than [105]% of thequantity of Goods ordered, Orpic may at its discretion reject the Goods or the excess Goods, and any rejected Goods shall be returnable at the Seller'srisk and expense. If the Seller delivers more or less than the quantity of Goods ordered, and Orpic accepts the delivery, a pro rata adjustment shall bemade to the invoice for the Goods. The Seller shall not deliver the Goods in instalments without Orpic's prior written consent. Where it is agreed that theGoods are to be delivered by instalments, they may be invoiced and paid for separately. However, failure by the Seller to deliver any one instalment ontime or at all or any defect in an instalment shall entitle Orpic to the remedies set out in the Contract.

3.6.3 Supply & Packing Conditions. The Seller shall ensure that: a) The Goods are properly packed and secured in such a manner as to enable them toreach the Delivery Location in good condition; and b) each delivery of the Goods is accompanied by a delivery note which shows the date of thisPurchase Order, this Purchase Order number (if any), the type and quantity of the Goods (including the appropriate code number of the Goods to enableCustom Duty exemption, where applicable), special storage instructions (if any) and, if the Goods are being delivered by instalments, the outstandingbalance of Goods remaining to be delivered, together with any further information required as set out in the Purchase Order. Packets / boxes / otherpackaging must clearly show Purchase Order number and Orpic delivery location. Material Test Certificate or Conformance Certificate must be suppliedby Seller to Orpic on or before Delivery for the items indicated in the Purchase Order. All chemical and catalyst packages shall include: a) Theappropriate "HAZARD TYPE" and "HAZARD RATING LABEL" in bold letters; b) A lot number; c) Month & year of manufacture; d) Material expiry date ofthe product; e) Material Safety Data Sheet (MSDS); f) Certificate of quality. Seller must state country of origin of Goods. Seller must state theappropriate international code (M.S. Code) for customs exemptions. Seller must specify weight, physical dimensions, size, sea or air worthy packing andall other relevant information relating to the delivery of Goods. All material delivered under the Incoterm DDP Orpic's facility shall be delivered in opentop trucks / vehicles and not in closed containers.

3.6.4 Shelf Life Conditions. The Seller shall ensure that as of the later of the date of the delivery of the Goods or the Goods are made available for Orpic(or its nominated freight forwarder#s collection), the Goods shall have passed no more than 25% of the shelf life recommended by the originalmanufacturer for the Goods delivered. Orpic at its sole discretion,shall be entitled to reject the material for any failure to deliver the Goods in accordancewith the specification set under this Clause.

3.6.5 Acceptance and Defective Goods. After delivery of the Goods, Orpic shall have a period of fifteen (15) days to inspect the Goods and to carry outany testing to confirm that the Goods have been supplied and delivered in accordance with this Purchase Order. Upon satisfactory inspection of theGoods Orpic shall provide written confirmation to the Seller to confirm that the Goods have been accepted. If Orpic fails to provide written confirmation ofacceptance of the Goods within seventeen (17) days of receipt of the Goods in Orpic's facilities in the Sultanate of Oman then the Goods will be deemedto have been accepted. If at any point, including for a period of eighteen (18) months after acceptance of the Goods or, in the case of plant andequipment, after twelve (12) months of the date of commissioning, whichever expires first, Orpic discovers that any or all of the Goods do not conformwith their description or contain any defect then Orpic shall be entitled to reject the whole or any part of the Goods by notice to the Seller. On receipt ofnotice and at the option of Orpic the Seller shall either: a) Replace any or all of the Goods which do not conform with their description or which contain adefect; or b) Reimburse Orpic the whole or any part of the Price which was paid by Orpic to Seller and which relates to the rejected Goods. Anydefective or rejected Goods identified in a notice pursuant to this Clause 3.6.4 shall be collected and removed by the Seller within two weeks of thenotice. All costs associated with the collection and removal of any defe ctive or rejected Goods are for the Seller#s account.

3.6.6 Insurance. Without in any way limiting or detracting from the Seller#s liabilities under this Purchase Order or the Law, the Seller shall, at its owncost and expense, take out and maintain for the duration of the Seller#s liability under and in respect of this Purchase Order and the relevant insurancesas appropriate, issued by an insurance company registered in the Sultanate of Oman and reasonably acceptable to Orpic.

3.6.7 Penalties (Late Delivery). If specified in the Purchase Order and without prejudice to Orpic#s other rights and remedies under the Purchase Orderor at law, Seller shall become liable to pay Orpic an amount equal to 0.3 % of the total Purchase Order Value as defined in the Purchase Order for everyday or part thereof by which the Delivery Date specified in the Purchase Order is exceeded for any reason whatsoever, except for reasons attributable tofailure of Orpic to comply with the Purchase Order, up to a maximum of 10% of the total Purchase Order Value, or as amended and specified in thePurchase Order. If part of the Goods are delivered or can be put into useful operation the amount specified above shall be reduced proportionally. Theamount Seller is liable to pay to Orpic hereunder shall become due immediately the Goods are not delivered on the Delivery Date specified in thePurchase Order, without any notice or judicial intervention being required, and may be recovered by deduction by Orpic from Seller's invoices. In theevent a delay is caused by the gross negligence or willful of Seller no limitation as set out herein shall apply.

4. General Conditions Applicable for Provision of Services Only (Service Orders)

4.1 Agreement or Service Order means the contract between Orpic and the Contractor for the provision of Services in accordance with the followingdocuments which are to be read and construed in the following order of priority: a) Service Order; b) Particular Conditions; c) General Conditions; andthen d) Scope of Services.

4.2 Commencement Date shall be as set out in Service Order.

4.3 Completion means completion of the entire Services.4.4 Place for Performance means the location specified by Orpic for the Goods to be delivered as set out in the Form of Agreement.

4.5 Services means the services or work as more particularly described in the Scope of Services. #Work# or #Works# shall have the same meaning asServices

4.6 Purchase Order means an order issued in writing by Orpic at any time during the Service Order instructing the Contractor to perform the Servicesspecified in the order within the time frame specified in the order. If the term Call Off, Call-Out, Job, Job Order, Work Order or similar terms appear in theService Order, they shall have the same meaning as Purchase Order, unless the context requires otherwise.

4.7 Scheduled Completion Date means the date as set out in the Service Order and or Scope of Services by which Contractor shall reach Completion.

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4.8 Warranty Period means the period from the commencement of the Services up to one hundred and eighty days (180 days) after Completion duringwhich time Contractor shall remain liable for the correction of any defects in the Services.

4.9 The Contract. Orpic requires the Services to be performed and the Contractor has agreed to perform the Services on the terms and conditions setout in this Service Order.

4.10 Scope of Services. Contractor shall provide to Orpic the Services set out in Annex 3 (as that Annex may be amended from time to time by writtenagreement between the Parties).

4.11 Performance of Services and Warranties. Contractor shall exercise all reasonable skill, care and diligence in the performance of the Services andshall ensure that its staff exercises all reasonable skill, care and diligence. Contractor warrants that its staff involved in the provision of the Services willhave the requisite experience, qualifications and training to perform the Services in accordance with applicable industry practice, in a workman likemanner and which is reasonably satisfactory and acceptable to Orpic.

4.12 Contractor shall be liable to replace, at no cost to Orpic, within a reasonable time, any staff that Orpic reasonably considers do not have the abilityto adequately perform the Services or who have refused to comply with Orpic's reasonable instructions in respect of their conduct. Such staff shall beremoved from the assignment within 24 hours of Orpic issuing such instruction. The Services will be performed at the location(s) specified in the ServiceOrder. The Contractor shall ensure that its personnel shall: a) Comply with all health, safety and environmental rules and regulations applicable at thelocation of the Services; b) Comply with any instructions issued by Orpic relating to health, safety or the environment at the location of the Services; andc) Perform the Services in a safe and efficient manner and in accordance with any of Orpic's health, safety and environmental requirements, plans orpolicies as applicable. Contractor shall comply with all applicable laws, government orders, and regulations (whether of Sultanate of Oman or otherwise)in performing its obligations under this Agreement. Contractor shall be deemed to have satisfied itself before entering into this Agreement as to: a) Theextent and nature of the Services and all things necessary for the proper performance and completion of the Services in accordance with the terms ofthis Service Order; and b) The correctness and sufficiency of the sums, rates, and prices set out in the Service Order. Any failure by Contractor to takeaccount of matters which affect the Services shall not relieve it from its obligations under this Agreement. Contractor shall cooperate with Orpic and allthird party suppliers and service providers to Orpic, so as to ensure that Contractor performs the Services in a coordinated, effective and timely manner.

4.13 Schedule. Contractor shall commence performance of the Services on the Commencement Date, and shall proceed to perform the same with alldue diligence to achieve Completion on or before the Scheduled Completion Date. Contractor shall be responsible for the programming of the Servicesand for independently controlling its progress.

4.14 Penalties. If the Contractor has not commenced or completed the Services in time the Contractor shall be considered in default of his obligationsunder the Contract. If the Contractor fails to commence or complete the Services in time the Contractor shall pay the Company the Penalties/LiquidatedDamages as stated in the Service Order for whatever reason other than Force Majeure or a delay caused by Orpic. The levying of Penalties/LiquidatedDamages by the Company shall be without prejudice to any other rights and remedies of Orpic, which shall include the right to have work performed byanother contractor. Orpic shall have the right to terminate the Contract if the Contractor has not commenced or completed the Services by the time themaximum amount of Penalties/Liquidated Damages has become due. Where so provided in the Contract, Penalties/Liquidated Damages may also belevied in respect of delays in the commencement or completion of Services performed on a Call-Out basis.

4.15 Penalties (Late Delivery). If specified in the Purchase Order and without prejudice to Orpic#s other rights and remedies under the Purchase Order orat law, Seller shall become liable to pay Orpic an amount equal to 0.3% of the total Purchase Order Value as defined in the Purchase Order for everyday or part thereof by which the Delivery Date specified in the Purchase Order is exceeded for any reason whatsoever, except for reasons attributable tofailure of Orpic to comply with the Purchase Order, up to a maximum of 10% of the total Purchase Order Value, or as amended and specified in thePurchase Order. If part of the Goods are delivered or can be put into useful operation the amount specified above shall be reduced proportionally. Theamount Seller is liable to pay to Orpic hereunder shall become due immediately the Goods are not delivered on the Delivery Date specified in thePurchase Order, without any notice or judicial intervention being required, and may be recovered by deduction by Orpic from Seller's invoices. In theevent a delay is caused by the gross negligence or wilful failure of Seller no limitation as set out herein shall apply.

4.16 Defects Liability / Remedy Period. If defects in the Services are discovered by Contractor or otherwise brought to the attention of Contractor byOrpic either during the performance of the Services or within the Warranty Period, Contractor shall be responsible for remedying such defects at its owncost and/or for the cost of having such defects remedied. Contractor shall as soon as practicable upon discovery of any defect or upon receiving writtennotification from Orpic specifying any defect, remedy the same at its own expense by performing remedial work. If Contractor fails within a reasonabletime to perform the remedial work as required by Orpic, Orpic shall have the right to have the necessary remedial work performed by other contractorsor sub-contractors. Orpic shall recover from Contractor all costs associated with remedying such defect, either directly from Contractor or by deductingsuch costs from any monies due or which become due to Contractor. Orpic shall use reasonable endeavours to mitigate such costs. Contractor'sfinancial liability in respect of costs incurred by Orpic shall be limited to the actual costs incurred by Orpic and in any event to a sum not greater than onehundred percent (100%) of the Price.

4.17 Call-Off / Purchase Order. If the Scope of Services includes provisions on call-offs, Orpic shall have the right to order Services on a call-off basis byissuing a Purchase Order and the Contractor shall perform the Service in accordance with Contract and time schedule specified in the Purchase Order.

4.18 Orpic shall have the right to modify or extend the Services specified in a Purchase Order at any time by means of a revision to a Purchase Order.Notwithstanding the expiry or early termination of the Agreement, Contractor shall not abandon any Services in progress and shall complete suchServices in accordance with Orpic's instructions. The terms and conditions of Agreement shall remain in full force and effect during the period requiredto complete these Services. Orpic does not guarantee any minimum quantity of call-off, nor does Orpic undertake to exclusively use the Contractor forthe performance of call-off Services.

4.19 Party Representatives. Orpic may appoint an Orpic Contract Manager who shall be authorised to act for and on behalf of Orpic in relation to thisAgreement. Contractor shall appoint a Contractor Representative who shall be authorised to act for and on behalf of Contractor in relation to this

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Agreement.

4.20 No Partnership. Nothing in this Agreement, and no action taken under this Agreement: a) Creates a partnership; b) Creates a relationship ofprincipal and agent between any of the parties; or c) Otherwise authorises any party to bind any other party.

4.21 Licences and Permits. Contractor shall obtain and maintain, at its own risk and expense, such authorisations, permits and licences as may benecessary for the performance of the Services and which are required to be obtained and maintained in Contractor's name.

4.22 Insurance. Without in any way limiting or detracting from Contractor's liabilities under any other provisions of this Agreement or the law, Contractorshall on or before the Commencement Date, at its own cost and expense, take out and maintain for the duration of the Contractor's liability under and inrespect of this Agreement and the Law, each of the insurances set out below, issued by an Insurance Company registered in the Sultanate of Oman andreasonably acceptable to Orpic: a) Construction/Erection All Risks insurance covering the Permanent Work; b) adequate third party liability insurance tocover all third party liabilities arising under this Contract including the Existing Property; c) any insurance which may be required by law for or withrespect to the Contractor Personnel; d) adequate liability insurance for motor vehicles and mobile equipment (owned, non-owned or hired units)employed by the Contractor or Orpic supplied Equipment employed by the Contractor or any Subcontractor in connection with the performance of theContract.

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