FIELD FABRICATED TANKS TECHNICAL SPECIFICATION REQUEST FOR QUOTATION DMCI Calaca Unit 7 1x350MW Coal...

FIELD FABRICATED TANKS TECHNICAL SPECIFICATION REQUEST FOR QUOTATION

DMCICalacaUnit71x350MWCoalFiredPowerPlantProject

B&V PROJECT NO. 281808 B&V FILE NO. 67.5410

1 APRIL 2016

®

®

DMCI Calaca Unit 7 1x350MW CFPP

Field Fabricated Tanks

RFQ Issue

281808.67.5410 Apr-13-2016

Source: 13202, 2014, v1.10 Field Fabricated Tanks Page 1 of 16

13202 - Field Fabricated Tanks

13202.1 General 13202.1.1 Scope of Supply The Supplier shall furnish the following scope of services as part of the work under this Purchase Order:

1) Fuel Oil Storage Tank, 1x3,000 m3

2) Service Water Tank, 2x3,000 m3

3) Living Water Tank, 1x50 m3

4) Demineralization Water Tank, 2x1,500 m3

5) Condensate Storage Tank, 1x200 m3

6) Filtered Water Tank, 1x500 m3

7) SWRO Permeate Tank, 2x500 m3

8) BWRO Permeate Tank, 1x500 m3

All of materials, equipment, and accessories (level gauges,ladder, stair, handrail, walkway, platform, anchor bolts etc.) as defined herein. Surface preparation, zinrich preconstruction shop primed. All of external & internal coating or rubber lining materials. Drawings and design documentation certified by a professional engineer registered in the appropriate jurisdiction. Tests as defined herein. Instruction manuals.

13202.1.2 Items Furnished by Others and Interfaces Items furnished by others and not in this scope of supply include the following:

Erection of the Field Fabricated tanks. Concrete tank foundation(s) as specified on the Field Fabricated Tanks Specification Sheet(s). External & internal painting work at site.

13202.1.3 Performance and Design Requirements Performance and design requirements are covered in the attached Field Fabricated Tanks Specification Sheet(s).



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13202.1.4 Codes and Standards Work performed under these specifications shall be done in accordance with the following codes and standards. Unless otherwise specified, the applicable governing edition and addenda to be used for all references to codes or standards specified herein shall be interpreted to be the jurisdictionally approved edition and addenda. If a code or standard is not jurisdictionally mandated, then the current edition and addenda in effect at the date of this document shall apply. These references shall govern the work except where they conflict with the Purchaser's specifications. In case of conflict, the latter shall govern to the extent of such difference:

Work In Accordance With

Design AWWA D100 or API 650; NFPA where applicable

Structural steel AISC 360

Grounded pad screw hole spacing and location NEMA

Tank erection, testing, and coating AWWA D100 or API 650

Cleanliness inspection before painting SSPC Visual Standard, SSPC VIS 1

Disinfection of tank interior AWWA C652

Pipe flanges ASME/ANSI B16.5

Forged steel pipe fittings ANSI B16.11

Pipe/flange butt weld end preparation details ANSI B16.25

Proportions for mixing of grout filler AWWA D100

Use of cane-fiber joint filler for tank support AWWA D100

13202.1.5 Materials The following materials shall be used:

Component Material

Shell plate, pipe flange covers, and manhole necks (if not seamless)

ASTM A36 or ASTM A516 Grade 60

Nozzles or seamless manhole necks ASTM A106 Grade B

Structural shapes and plates ASTM A36

Forged steel flanges ASTM A105

Grounding pads ASTM A167, Type 304

Overflow piping ASTM A53, Std Wt

Appurtenance flange bolting and nuts ASTM A307 Gr A or ASTM A325 Type 1 bolts with hex heads or studs; ASTM A563 Gr A hex nuts; all galvanized

Gaskets Buna N (Nitrile)

Cement ASTM C150, Type I



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Component Material

Sand ASTM C33

Cane-fiber joint filler ASTM D1751

Tank roof walkways To comply with OSHA, and NFPA 101 Regulations

Two-component polysulfide rubber sealant Fed Spec TT-S-00227E, Type II, Class A

Cement ASTM C150, Type 1

Sand ASTM C33

13202.1.6 Approved Manufacturers of Components For the following components, the manufacturers listed below provide examples of the quality of workmanship required by these specifications. If the Supplier wants to propose a nonlisted manufacturer that is considered to provide an equivalent level of quality, this manufacturer must be identified and supporting testimony provided. Acceptance of the manufacturer as a substitute is at the discretion of the Purchaser:

Component Manufacturer

Filter Dollinger; Model AI-104

Breather valve Varec; Model 2010-61

Forged steel pipe fittings Bonney Forge or WFI; Class 3000

Two-component polysulfide rubber sealant

Pecora Chemical Corp.; GC2+ Synthacalk PolySpec; Thiokol 2235M

Interior ladder components McMaster "Versatile-Mount Steel Ladders System" mounted onto a nominal 6 inch stainless steel pipe; McMaster "Fall-Prevention Ladder Climbing System," complete with one full body harness

13202.1.7 Test Requirements The following testing shall be conducted in accordance with the specified source. This testing is to be considered part of the defined Scope of Work, and all associated costs are the responsibility of the Supplier unless specifically identified as a Bid Option or Purchaser-conducted. Tests identified as an option are to be priced separately. If identified as Purchaser-conducted, costs for the initial test will be the responsibility of the Purchaser. However, the Supplier is responsible for all costs associated with correcting deficiencies and retesting in the event of a test failure:

Tests In Accordance With Conducted By

All weld tests AWWA D100 or API 650 Supplier

Leak tests Article 13202.3.4.2 herein Supplier



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13202.1.8 Technical Attachments The following attachments accompany these specifications in either paper or electronic format. The information contained in these documents constitutes requirements under the defined Scope of Work:

Document Number/Description Title Revision

Later Tank Arrangement Drawing(s) -

Annex M-1 Seawater Analysis -

Annex M-3 81113-DM-0650-Coating System-1511 5




Annex M-7 81112-DS-0064-Typical Guardrail & Stair Rail 10




Annex M-11 81112-DS-0071-Typical Ladder Details 8

Annex M-12 81112-DS-0072-Typical Ladder Details 5

Annex M-13 81113-DM-0303_Tank Bottom Seal Detail 8

Annex M14 81113-DM-0304_Typical Internal Ladder Details 2

Annex G-1 Site and Design Condition -

Annex G-2 BOQ to be Filled by Supplier -

13202.1.9 Supplemental Specifications S200_Miscellaneous_Equipment_Access_Provisions. 13202.2 Products Each tank shall be a vertical, cylindrical, crowned bottom, aboveground, atmospheric water storage tank. Each tank shall be designed for field erection by welding. Each tank shall be designed for installation on a Type 1 or Type 2 foundation as defined in Article 13202.3.2 and indicated on the Field Fabricated Tanks Specification Sheet(s). 13202.2.1 Design Criteria The thicknesses of the tank roof, shell, and bottom plates shall be as required by the specified design code(s) plus corrosion allowance(s) if specified on the Field Fabricated Tanks Specification Sheet(s). Design pressure for all tanks shall be atmospheric pressure. Structural steel for support of agitators shall be designed for fatigue in accordance with AISC 360. When fatigue design is required, calculations stamped by a Professional Engineer shall be submitted to the Purchaser. 13202.2.2 Material Test Reports Certified mill test reports shall be furnished covering all steel plates and structural shapes to be used in the work as evidence that such materials are new and in compliance with the referenced standards.



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13202.2.3 Fabrication Requirements Tank sections shall be shop fabricated to the maximum extent practical to minimize field welding. A self-supporting roof shall be provided. A crowned tank bottom shall be provided sloped 1 to 120. Shell plate joints shall be double-welded butt joint type welds with complete penetration. Roof joints shall be complete penetration welds or lap welds welded continuously on both edges. Bottom plates shall be complete penetration welds or lap welded on top side. All field joints shall be properly identified on the erection drawings. Joints shall be acceptable to the Purchaser. Welding shall be performed in accordance with the specified design codes. 13202.2.4 Tank Appurtenances Specified tank appurtenances shall be furnished. Exterior appurtenances shall be designed for the wind, snow, and seismic loads specified. 13202.2.4.1 Roof Manholes. Two roof manholes shall be provided on each tank as indicated on the drawing(s), each with an inside diameter of 24 inches (610 mm). Each manhole shall have a hinged, rainproof cover with locking device. 13202.2.4.2 Shell Manholes. Two shell manholes shall be provided on each tank as indicated on the drawing(s). Shell manholes shall be 24 inch (610 mm) diameter hinged closures. 13202.2.4.3 Manhole Gaskets. Two sets of permanent gaskets shall be furnished for all manhole covers. The permanent gaskets shall be furnished in wooden boxes identified by tank name. 13202.2.4.4 Piping Connections. Piping connections shall be provided as indicated on the drawings and as specified. Flanges shall be raised face, ANSI Pressure Class 150, weld neck type flanges. Unless otherwise indicated on the drawings, tank connections 2 inches (50 mm) and smaller shall be ANSI Pressure Class 3000 integrally reinforced forged branch outlet fittings. Each tank outlet that is larger than 4 inches (100 mm) in diameter shall be provided with an antivortexing device. 13202.2.4.5 Overflow. An external overflow assembly shall be provided. The assembly shall consist of a rectangular overflow box mounted on the exterior of the shell, with a discharge pipe that extends from the bottom of the box down the exterior of the tank to near ground level. The overflow box shall span the overflow level. The shell shall form the inside wall of the box, up only to overflow level, where it shall act as a weir across which water passes from the tank to the overflow box. The overflow box shall be of all-welded construction, sized as required to handle the maximum inflow rate specified. The discharge end of the overflow pipe shall be provided with an elbow and flap valve. Overflow piping shall be rigidly supported and braced from the tank wall at intervals not exceeding 6 feet (1,800 mm). The piping shall be adequately supported and braced for weight, expansion or contraction, wind, and hydraulic forces. U-bolts for support members shall not be used. If required, spreading pads shall be provided on the shell where pipe supports are attached. 13202.2.4.6 Filter and Breather Valve. If specified, a corrosion-resistant filter and a breather valve shall be provided for each tank. The valve shall be sized for the maximum flow rates specified on the Field Fabricated Tanks Specification Sheet(s). 13202.2.4.7 Grounding Pads. Four stainless steel grounding pads shall be provided, equally spaced around the exterior of the tank and welded to the tank shell 6 inches (150 mm) above the bottom. Pads shall be provided that are 2 inches by 3-1/2 inches (50 mm by 90 mm) by 1/2 inch (13 mm) thick, drilled and tapped to full thickness for two 3/8-16 (M10 x 1.5) hex head cap screws. Screw hole spacing and location shall be matched to that of NEMA standard two-hole terminals. Flat and smooth contact surfaces shall be provided and protected during handling to maintain contact surface quality.



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281808.67.5410 Apr-13-2016


13202.2.5 Shop Coating Exterior surfaces of tank roof and shell plates shall be shop primed where so indicated on the Field Fabricated Tanks Specification Sheet(s). Plate preparation and coating shall be in accordance with a. 13202.2.6 Access Provisions Access provisions shall be in accordance with Supplemental Specification S200 and the requirements herein. 13202.2.6.1 Exterior Ladder. Where specified or indicated on the drawings, an exterior, caged ladder shall be provided. Gates shall be provided for ladders in accordance with OSHA requirements and Supplemental Specification S200. 13202.2.6.2 Interior Ladder. Where specified or indicated on the drawings, an interior ladder shall be provided with a fall prevention ladder climbing system. 13202.2.6.3 Exterior Stairs. Where specified or indicated on the drawings, exterior stairs shall be provided with a top landing platform. The stairs shall extend from the bottom to the top of the tank and shall be spiral type. Each stair landing platform shall incorporate the best access and most economical use of space in platform design. Platform arrangement shall be acceptable to the Purchaser. Where specified or indicated on the drawings, a common platform shall be provided spanning the gap between two tanks. The platform attachment shall be designed so that movement of either tank resulting from expansion, contraction, or settlement will not impose undue forces on either tank or on the platform structure. 13202.2.6.4 Walkway. A 3 foot (900 mm) wide walkway shall be provided on each tank roof. The walkway shall extend from the upper ladder termination or stair landing platform to the manholes and other roof mounted appurtenances. The walkway shall be completely enclosed with handrails and kickplates except at the ladder or landing platform access opening. 13202.3 Execution 13202.3.1 Handling Shop fabricated tank sections and structural components shall be handled during shipping, storage, and erection in a manner that will prevent warping, bending, distortion, or physical damage of any kind. 13202.3.2 Tank Foundation The tank support concrete foundation(s) will be provided under separate specifications, unless otherwise specified. For Type 1 (concrete ringwall with soil infill) foundations, a layer of clean sand, finely crushed limestone, or clam shells compacted to a minimum thickness of 3 inches (76 mm) shall be furnished and installed by the Supplier between the earthen interior of the ringwall and the tank bottom. The clean fill material shall be kept free of topsoil, clay, organic material, and other deleterious substances. A 1 inch (25 mm) minimum space between the tank bottom and top of the ringwall shall be grouted full with portland cement grout. Alternatively, a 1/2 inch (13 mm) thick cane-fiber joint filler in accordance with AWWA D100 may be used in lieu of the 1 inch (25 mm) of grout. For Type 2 (concrete mat or concrete ringwall with concrete infill) foundations, a minimum 1/2 inch (13 mm) thick cane-fiber joint filler meeting the requirements of ASTM D1751 shall be furnished and installed by the Supplier between the tank bottom and concrete slab. The tank shell shall be supported with portland cement grout or, alternatively, 1/2 inch (13 mm) thick cane-fiber joint filler in accordance with AWWA D100.



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When portland cement grout is used as the bearing surface for the tank shell, it shall be installed after erection of the first shell course. Sand and water used for grouting the tank bottom shall meet the following minimum requirements:

Sand--Fine aggregate, clean, well graded, natural sand. Water--Clean and free from mud, oil, organic matter, and other deleterious substances.

Grout shall be mixed and placed in accordance with the manufacturer's recommendations and in the proportions specified in AWWA D100. Only enough water shall be added to produce a grout that can be tamped in place. All grout shall be thoroughly mixed for not less than 5 minutes in a mechanical mixer of an acceptable type. After mixing, the grout shall be used immediately, before stiffening sets in. After complete curing of the grout, the peripheral joint between the tank bottom plate and the foundation shall be completely sealed as indicated on the seal detail included as an attachment to these specifications. A two-component polysulfide rubber sealant shall be applied in accordance with the sealant manufacturer's recommendations, including removal of oil from all surfaces in contact with the sealant. 13202.3.3 Tank Erection Welding shall be in accordance with AWWA D100 or API 650. Tank appurtenances shall be installed in accordance with referenced codes and standards and manufacturer's instructions. 13202.3.4 Surface Preparation, Testing, Painting, Cleaning, and Disinfecting of Water Tanks 13202.3.4.1 Surface Preparation. All clips and lugs used for erection shall be cut off. Any remaining clip and lug attachment weld material, and any welds used for fit-up, shall be ground smooth and flush with the parent metal. All welds shall be ground to remove any roughness or irregularity. All weld spatter shall be removed. On the interior of the tank, all butt welds with remaining weld bead crown height not exceeding 1/16 inch (1.6 mm) shall be ground smooth. All sharp metal edges existing at fillet welds shall be ground to a minimum 1/8 inch (3.2 mm) radius. All surfaces shall be cleaned of lubricants. 13202.3.4.2 Testing. All testing and repair work shall be accepted by the Purchaser after any weld grinding, but before blasting or painting is started. Welded joints shall be radiographically inspected in the shell of the tank as required by the applicable referenced codes and standards. Joints shall be tested by vacuum box method where required by the applicable referenced codes and standards. Repair of defective welds and leaking joints shall be in accordance with the applicable referenced codes and standards. After completion of welding, but before beginning surface preparation for painting or coating, and before any external piping has been connected, the tank shall be filled with water and all submerged joints shall be inspected. Any leaking joints shall be repaired after the water level has been dropped to at least 2 feet (610 mm) below the point being repaired. The test shall be repeated until all joints are completely leaktight (zero leakage and seepage).



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13202.3.4.3 Field Coating. Iron and steel surfaces of the tank (exterior & interior) and accessories shall be painted. For tanks exterior surface, the painting to withstand ISO 12944 C5-M (Very high corrosivity (marine)) corrosion environment; For tanks interior surface, the painting to withstand the corrosion of the stored liquid. Refer to the Field Fabricated Tanks Specification Sheet for detail requirements. 13202.3.4.4 Cleaning and Disinfecting. After erection, testing, and painting have been completed, the interior of the tank shall be thoroughly cleaned and all debris shall be removed. If specified on the Field Fabricated Tank Specification Sheet(s), the interior of the tank shall be disinfected in accordance with the referenced standard and state and local laws and ordinances, whichever requirements are the most stringent. Prior to starting any cleaning and disinfecting work, the Supplier shall submit to the Purchaser the detailed procedures proposed, including the coordination and sequence of operations. All procedures shall be acceptable to the Purchaser. The Supplier shall provide all cleaning and disinfecting materials and all equipment and labor necessary for the cleaning and disinfecting operations. All wastewater used in disinfecting the tank shall be disposed of in a manner acceptable to the Purchaser and the appropriate pollution control agency.



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Field Fabricated Tanks Specification Sheet

Tank A Name Fuel Oil Storage Tank

Tank Identification Number(s) Later

Quantity to be Furnished 1

Liquid Stored Light Fuel Oil (Diesel)

Net Capacity (each), m3 3,0000

(Note: The tank to be divided into two chamber equally with the separated plate inside, 1,500m3 for each chamber.)

Density, kg/cm3 865

Maximum Shell Outside Diameter, mm By Supplier

Approximate Straight Side Shell Height, mm By Supplier

Tank Roof Type Supplier's Choice

Corrosion Allowances, mm

Roof plates By Supplier

Shell plates By Supplier

Bottom plates By Supplier

Tank Foundation Type Type 1 or Type 2

Internal Ladder Required? Yes

Full Perimeter Roof Handrail System Required? No

Pressure/Vacuum Vents Required? Yes

Minimum Shell Manhole Diameter, mm By Supplier

Maximum/Minimum Design Metal Temperature, °C Refer to Annex G1

Shop Primer for Plates Yes

Field Applied Coating System

Exterior Coating System 1511,Refer to Annex M-3

Interior Coating System 2314, Refer to Annex M-5

Disinfect Tank Interior after Erection? No

Manhole Quantity 2 (one on top, one at side)

Nozzle

Inlet 1x150mm (tentative), Class 150, Flanged

Outlet 1x150mm (tentative), Class 150, Flanged

Return 2x100mm (tentative), Class 150, Flanged

Ventilation 1x100mm (tentative), Class 150, Flanged

Drain 1x100mm (tentative), Class 150, Flanged



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Tank B Name Service Water/Fire Water Tank



Liquid Stored Service Water


Density, kg/cm3 1,000

Shell Outside Diameter, mm By Supplier

Straight Side Shell Height, mm By Supplier










Shell Manhole Diameter, mm By Supplier







Manhole Quantity (each tank) 2 (one on top, one at side)

Nozzle (each tank)






Overflow 1x200mm (tentative), Class 150, Flanged



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Tank C Name Living Water Tank



Liquid Stored Living Water

Net Capacity (each), m3 50



















Disinfect Tank Interior after Erection? Yes


Nozzle (each tank)









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Tank D Name Demineralization Water Tank



Liquid Stored Demin. Water, TDS ≤ 10 mg/L, Cl ≤ 1 mg/L, pH 6-7.



















Interior Coating System 2313 Refer to Annex M-4


Float cover? Yes


Nozzle (each tank)









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Tank E Name Condensate Storage Tank



Liquid Stored Demin. Water, TDS ≤ 10 mg/L, Cl ≤ 1 mg/L, pH 6-7.





















Float cover? Yes


Nozzle (each tank)









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Tank F Name Filtered Water Tank



Liquid Stored Seawater, refer to Annex M-1



















Interior Anticorrosion of Seawater Rubber Lining, Min. Thickness is 6 mm.



Nozzle (each tank)









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Tank F Name SWRO Permeate Tank



Liquid Stored SWRO product water, typically TDS ≤ 500 mg/L, Cl ≤ 300 mg/L, pH 5-7.5






















Nozzle (each tank)










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Tank G Name BWRO Permeate Tank



Liquid Stored SWRO + BWRO product water, typically TDS ≤ 50 mg/L, Cl ≤ 20 mg/L, pH 5-7.5






















Nozzle (each tank)










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Source: 27Oct15 Technical Supplemental Specifications Page 1 of 4

S200 Miscellaneous Equipment Access Provisions This Supplemental Specification covers design and fabrication requirements for the access provisions to individual pieces of equipment. Access provisions shall consist of stairs, platforms, walkways, handrails, guardrails, and ladders necessary to provide complete and convenient access for operation, inspection, testing, and maintenance of individual pieces of equipment and associated components. Arrangement drawings for access provisions shall be provided as part of the Technical Data. S200.1 Design Criteria Access provisions shall conform to all applicable codes and standards and the following minimum requirements. As a minimum, all egress paths and equipment access provisions shall be designed to comply with OSHA, and NFPA 101 Regulations, including all addenda and interpretations. Application of these regulations shall be based on their literal translation. S200.1.1 Support Steel Platform and walkways supporting steel shall be designed for a minimum live load of 60 pounds per square foot (2,870 Pa). Stairway supporting steel shall be designed for a minimum live load of 100 pounds per square foot (4,800 Pa). Fixed stairways shall also be designed for a minimum moving concentrated load of 1,000 pounds (454 kg) as specified in OSHA 29CFR-1910.24(c). Vertical live load deflection of steel framing members shall not exceed 1/360 of the span length. The length of landing platforms, measured in direction of travel, shall be, as a minimum, equal to the stair width, but shall not exceed 4 feet (1,220 mm) where the stairway has a straight run. Platforms shall have lateral bracing as required for rigidity and stability. S200.1.2 Platforms and Walkways Platforms and walkways shall be a minimum of 36 inches (915 mm) wide. Platforms and walkways shall be provided with guardrails. S200.1.3 Stairs Stairs shall be a minimum of 30 inches (760 mm) wide. Treads and risers shall be in accordance with OSHA and Section 40.2.5 of NFPA 101. Minimum concentrated load on stair treads (on area of 4 square inches [2,580 square millimeters]) is 300 pounds (136 kg). The tread depth shall be exclusive of nosings or projection. Vertical distance between floor and landing shall not exceed 12 feet (3,660 mm). Vertical headroom clearance shall be 7 feet (2,130 mm) minimum at projections above the stairs. Stair stringers shall be channels not less than 10 inches (250 mm) in depth, and 15.3 pounds per foot (23 kg/m). Slip resistant nosing shall be supplied with stair treads. Stairs shall be provided with handrails and guardrails in accordance with S200.1.4 Guardrails and Handrails. S200.1.4 Guardrails and Handrails Guardrails and handrails shall be designed to comply with OSHA, NFPA 101 Regulations, and all other applicable codes and standards. Design shall be to the most restrictive requirements of the referenced codes. All open stairs shall have a combination guardrail/handrail system as described in the codes. The upper surface of the top rail of guardrails shall be 42 inches (1,070 mm) above the surface of platforms, walkways, and stair treads as measured in a vertical line from the forward edge of the tread. Handrails on stairs shall be supported by brackets from the guardrail posts with the upper surface of the handrail 34 inches (865 mm) above the surface of stair treads in line with face of riser at the forward edge of the tread. Railings and self-closing safety gates shall be designed to meet the design loading requirements of OSHA, NFPA 101 Regulations, and other applicable codes and standards. Steel posts shall be vertical and uniformly spaced with 7 feet (2,130 mm) maximum spacing, or less as required for the post, railings,



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and connections to conform to the design loading requirements of the applicable codes and standards. Handrails shall be 1-1/2 inch (38 mm) nominal diameter steel pipe. Railings shall be smooth, with all projecting joints and sharp corners ground smooth. Welded joints shall be of the flush type. Members shall be neatly coped and continuously welded at all junctions of posts and rails. Flattening of the rail or post ends at junctions of posts and rails will not be permitted. Fittings or other connectors shall not be used at junctions of posts and rails. For galvanized railings, joints shall have internal openings so there are no closed or blind sections of pipe. When the bottom of the handrail post is closed, a drain hole shall be provided on the vertical side of the post near the bottom. All welding shall be done neatly and substantially, with all fillets dressed to uniform radius, all excess metal removed, and all welds ground smooth and flush. All angles, offsets, and other changes in alignment of railings shall be made with accurately mitered joints, welded railing fittings, or smooth radius shop bends. Where gates are required, self-closing gates shall be provided at guardrail openings (chains shall not be used). S200.1.5 Kickplates Kickplates shall be provided for platforms, on equipment roofs as required, and as necessary for personnel protection and safety. Kickplates shall project a minimum of 4 inches (100 mm). Minimum thickness of kickplates shall be 3/16 inch (6 mm). Kickplates on roofs shall be notched for drainage. Openings in grating panels shall be provided with kickplates. S200.1.6 Ladders Ladders may be used in lieu of stairways in locations where stairways would not be practical and where applicable codes and standards allow. Egress provisions must meet codes and standards criteria for ladder use. Ladders shall be designed to meet the design loading requirements and other specified requirements of OSHA, ANSI, and NFPA 101 Regulations, and all other applicable codes and standards. Ladders shall not be less than 18 inches (458 mm) wide with 3/4 inch (19 mm) diameter solid steel rungs spaced 12 inches (305 mm) center-to-center. The distance of the first rung at the bottom of the ladder may range up to 14 inches (355 mm) from the surface below. The top rung shall be level with the landing or platform. Ladder side rails shall be steel bars not smaller than 3 inches (76 mm) by 1/2 inch (13 mm). Ladder side rails shall be punched for the rungs. Rungs shall be extended to within 1/8 inch (3 mm) of the outside rail surface, and the remaining 1/8 inch (3 mm) shall be plug welded. Rungs shall be continuously fillet welded inside each rail surface. Ladder supports shall be steel brackets not less than 4 inches (100 mm) by 1/2 inch (13 mm), spaced not more than 18 feet (5,486 mm) vertically center-to-center. The center of the rung shall be no less than 7 inches (178 mm) (horizontal measure) from the nearest permanent objects. Cages shall be provided on ladders where the length of climb is more than 20 feet (6,096 mm). Where the length of climb is less than 20 feet (6,096 mm) but the top of ladder is more than 20 feet (6,096 mm) above adjoining surfaces (fall potential to the ground, roofs or floors), cages shall also be provided. Ladder side rails shall extend a minimum of 3 feet 6 inches (1,067 mm) above the top of floors and be flared to a minimum clear width of 24 inches (610 mm) for walk-through access, and extend a minimum of 4 feet 0 inches (1,219 mm) for side access ladders. Self-closing gates shall be provided at all ladder entrances. (Chains shall not be used.) S200.2 Materials Materials used shall be equal to or exceed the following minimal requirements:

Steel framing, kickplates, angles ASTM A36



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Ladders ASTM A36

Connection bolts for steel framing ASTM A325, Type 1, with washers and nuts

Rectangular bar grating 1-1/4 inch (32 mm) minimum depth (serrated for exterior use) ANSI/NAAMM MGB531, W-19-4

Stair tread grating Same as rectangular grating except bearing bars not less than 3/16 inch (5 mm) by 1 inch (25 mm) for lengths up to and including 3 feet (915 mm) and less. Bearing bar spacing not to exceed 1-3/16 inch (30 mm)

Stair tread fasteners (furnish with stair treads)

Galvanized 3/8 inch (10 mm) minimum diameter bolts conforming to ASTM A307, Grade A with lock washers and nuts

Nosing Slip resistant checkered plate or acceptable equal

Guardrails and handrails - posts and rails (minimum size and strength)

ASTM A53, Type E or S, Grade B, 1-1/2 inch (38 mm) nominal diameter pipe, Rails Schedule 40, Posts Schedule 80, or acceptable equal

or

ASTM A500, Grade C, Rails HSS 1.900 by 0.145, Posts HSS 1.900 by 0.188, or acceptable equal

or

ASTM A36, L2-1/2 by 2-1/2 by 1/4 inch (L64 by 64 by 6.4 mm) posts and rails with ASTM A53, Type E or S, Grade B, 1-1/2 inch (38 mm) nominal diameter pipe for handrail, or acceptable equal

Optional rail fittings for angles, offsets, and other changes in alignment

R&B Wagner railing fittings with Wedgelock welding connectors at each end. (Slip-on fittings using set screws and open seam fittings are not acceptable.)

S200.3 Coatings Coatings shall be in accordance with Technical Supplemental Q300. S200.4 Welding Welding shall be in accordance with the applicable requirements of Supplemental Specifications Q100 and Q121 in this Section 21000. S200.5 Technical Attachments The following attachments accompany these specifications in either paper or electronic format. The information contained in these documents constitutes requirements under this Supplemental Specification:



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Document Number/Description Title Revision

81112-DS-0064 Typical Guardrail and Stair Rail Conforming to IBC 2003, 2006, 2009, & 2012 for Areas Not Accessible to the Public

10


2


2


2

81112-DS-0071 Typical Ladder Details 8

81112-DS-0072 Typical Ladder Details 5

DMCI Calaca Unit 7 1x350MW Coal Fired Power Plant 281808

RFP Issue Mar,2016

Annex-G1 Site and Design Condition Page 1 of 5

Annex G1 - Site and Design Condition

The proposed Power Plant is located at Batangas, Philippines.

1.0 Site Conditions

Ambient Temperatures

Maximum design ambient temperature: 35.6 ℃ (DB)

Minimum design ambient temperature: 27 ℃ (DB)

Design ambient temperature: 32.2 ℃ (DB)

Humidity

Design relative humidity: 80%

Relative humidity: 33 - 100%

Atmospheric Pressure

Design: 101.3 kPa

Rainfall

Average yearly precipitation: TBD

Maximum record rainfall in one day: 310 mm

Maximum record rainfall in one hour: 81 mm

Design precipitation: TBD

Site Meteorological and Seismic Data

Work shall be designed according to the following mandatory code and site conditions:


RFP Issue Mar,2016


General Design Data:

Governing codes for Wind and Seismic (for input data of basic wind speed and seismic zone)

National Structural Code of Philippines 2010 (NSCP C101-10)

Occupancy Category III

Site Elevation (Mean Sea Level), (m) MSL 5.5

Sea Tidal Level: (Applicable to Marine Works)

Highest Astronomical Tide (HAT) MSL +1.5m

Mean higher high water (MHHWL) MSL +0.7m

Mean lower high water (MLHWL) MSL +0.1m

Mean sea level (MSL) MSL ±0.0m

Mean higher low water (MHLWL) MSL -0.2m

Mean lower low water (MLLWL) MSL-0.6m

Lowest astronomical (LAT) MSL-1.1m

Wind Design Data:

Zone Classification (Basic Wind Speed) Zone 2

Basic Wind Speed, V, Nominal 3 second gust wind speed at 33 ft (10 m) above ground for Exposure C category

200 Km/h

Exposure Category D

Topographic Factor, Kzt In accordance with NSCP C101-10, Section 207.5.7.2

Importance Factor (Wind Loads), Iw 1.15

Seismic Design Data:

Seismic Zone 4

Seismic Zone Factor, Z 0.4

Soil Profile Type SF

Seismic Importance Factor, I 1.0

Seismic Importance Factor, Ip 1.0

Seismic Importance Factor For structures/occupancies/Non-building structures storing/supporting toxic or explosive chemicals, I

1.25

Seismic Importance Factor For structures/occupancies/Non-building structure storing/supporting toxic or explosive chemicals, IP

1.5

Site Specific Design Response Spectra Later


RFP Issue Mar,2016


2.0 Design conditions

Compressed Air

Operating Pressure Range: 0.4 ~ 0.85 MPa.

Maximum Pressure: 1.0 MPa.

Oil content: ≤3 ppm.

The diameter of solid particles in air will not be more than 20 μm.

The dew point at the exhaust pressure will not be higher than +3 °C.

Closed Cycle Cooling Water

CCCW Inlet Temperature of Heat Exchanger 45°C

CCCW Outlet Temperature of Heat Exchanger 37°C

ACW Inlet Temperature of Heat Exchanger: 30°C

ACW Outlet Temperature of Heat Exchanger: 36°C

Sea Water

Design Temperature: 30°C (Max.32°C)

Table 2.2 Sea Water Analysis

Sr. No. Parameters Unit Values 1 pH - 8.3~8.5 2 Total Suspended Solids (TSS) Mg/l < 50 4 Total Dissolved Solids (TDS) Mg/l 38000 5 Total Hardness (as CaCO3) Mg/l 2851 6 Total Alkalinity (as CaCO3) Mg/l 195 7 Dissolved oxygen Ml/l 1.5 – 5.3 8 Hydrogen Sulfide (H2S) Mg/l NIL 9 Total oil & grease Mg/l NIL

10 BOD Mg/l 1.1 – 4.1 11 Sodium (as CaCO3) Mg/l 32651 12 Calcium (as CaCO3) Mg/l 690 13 Magnesium (as Mg) Mg/l 2161 14 Iron (as Fe) Mg/l 0.1 15 Copper (as Cu) Mg/l NIL 16 Barium (as Ba) Mg/l NIL 17 Strontium (as Sr) Mg/l NIL 18 Chlorides (as Cl) Mg/l 31543 19 Sulphate (as SO4) Mg/l 3747 20 Bicarbonates (as HCO3) Mg/l 187 21 Nitrite / Nitrate (NO2/NO3) Mg/l NIL 22 Phosphate (as PO4) Mg/l NIL 23 Boron Mg/l 3 24 Silica (as SiO2) Mg/l 10 25 Chromium (Cr) Mg/l Nil 26 Zinc (Zn) Mg/l Nil


RFP Issue Mar,2016


Sr. No. Parameters Unit Values 27 Lead (ld) Mg/l Nil 28 Cadmiuim (cd) Mg/l Nil 29 Mercury (Hg) Mg/l Nil 30 Arsenic (As) Mg/l Nil 31 Salinity % 0.34~0.35

Typical Voltage Level

Table 2.3 Medium Voltage AC Power MV (Motors above 200kW):

No. Item Value 1 System nominal voltage 6.6 kV 2 No-load bus voltage 6.9 kV

3 Voltage variation ±10%

4 No. of phases 3 5 Frequency 60 Hz 6 Short-circuit ratings 50 kA 1sec

7 System grounding mode Grounded Via Low Resistance

Table 2 Low voltage AC power (Motors equal or below 200kW)

No. Item Value 1 System nominal voltage 460V / 266 V 2 No-load bus voltage 480V / 277 V 3 Voltage variation ±10% 4 No. of phases 3 5 Frequency 60 Hz 6 Short-circuit ratings 50 kA 1sec

7 System grounding mode Solidly Grounded for 460V / 266 V

3P4W with PE TN-S systems

Table 3 AC Lighting, power receptacle and space heater power

No. Item Value 1 System nominal voltage 220V 2 No-load bus voltage 230V 3 Voltage variation ±10% 4 No. of phases 1 or 3 5 Frequency 60 Hz 6 Short-circuit ratings 32 kA 1sec

7 System grounding mode Solidly Grounded

with PE TN-S systems

Table 4 AC UPS power

No. Item Value 1 System nominal voltage 220 V 2 No-load bus Voltage 220 V 3 No. of phases 1 or 3


RFP Issue Mar,2016


4 Voltage Variation ±10% 5 Frequency 60 Hz 6 Short-circuit ratings 20 kA 1sec

7 System grounding mode Solidly Grounded

with PE TN-S systems

Table 5 DC power and control

No. Item Value 1 System nominal voltage 220 V 2 System Not to be grounded 3 Short-circuit ratings 20kA 4 Variation +10%, -15%,

Project Name:BV Project No.:BV Package No.:Equipment:Supplier:

Issued Date:

Item No. Description Quantity Unit Unit Weight Total Weight Remarks1 Fuel Oil Storage Tank 1 set

1.1 Tank Shell Plate, Thickness= ?mm m21.2 Tank Base Plate, Thickness= ?mm m21.3 Tank Top Plate, Thickness= ?mm m21.4 Ladder, Stair, Platform set1.5 Manhole set1.6 Valve set1.7 Nozzle (Pipe,Flange, etc) set1.8 Instrument set1.9 Anchor Bolt set

1.10 Painting L1.11 Other

2 Service Water Tank 1 set2.1 Tank Shell Plate, Thickness= ?mm m22.2 Tank Base Plate, Thickness= ?mm m22.3 Tank Top Plate, Thickness= ?mm m22.4 Ladder, Stair, Platform set2.5 Manhole set2.6 Valve set2.7 Nozzle (Pipe,Flange, etc) set2.8 Instrument set2.9 Anchor Bolt set


3 Living Water Tank 2 set3.1 Tank Shell Plate, Thickness= ?mm m23.2 Tank Base Plate, Thickness= ?mm m23.3 Tank Top Plate, Thickness= ?mm m23.4 Ladder, Stair, Platform set3.5 Manhole set3.6 Valve set3.7 Nozzle (Pipe,Flange, etc) set3.8 Instrument set3.9 Anchor Bolt set


4 Demineralization Water Tank 2 set4.1 Tank Shell Plate, Thickness= ?mm m24.2 Tank Base Plate, Thickness= ?mm m24.3 Tank Top Plate, Thickness= ?mm m24.4 Ladder, Stair, Platform set4.5 Manhole set4.6 Valve set4.7 Nozzle (Pipe,Flange, etc) set4.8 Instrument set4.9 Anchor Bolt set


5 Condensate Storage Tank 1 set5.1 Tank Shell Plate, Thickness= ?mm m25.2 Tank Base Plate, Thickness= ?mm m25.3 Tank Top Plate, Thickness= ?mm m25.4 Ladder, Stair, Platform set5.5 Manhole set5.6 Valve set5.7 Nozzle (Pipe,Flange, etc) set5.8 Instrument set5.9 Anchor Bolt set


6 Filtered Water Tank 1 set6.1 Tank Shell Plate, Thickness= ?mm m26.2 Tank Base Plate, Thickness= ?mm m26.3 Tank Top Plate, Thickness= ?mm m26.4 Ladder, Stair, Platform set6.5 Manhole set6.6 Valve set6.7 Nozzle (Pipe,Flange, etc) set6.8 Instrument set6.9 Anchor Bolt set


7 SWRO Permeate Tank 2 set7.1 Tank Shell Plate, Thickness= ?mm m27.2 Tank Base Plate, Thickness= ?mm m27.3 Tank Top Plate, Thickness= ?mm m27.4 Ladder, Stair, Platform set7.5 Manhole set7.6 Valve set7.7 Nozzle (Pipe,Flange, etc) set7.8 Instrument set7.9 Anchor Bolt set


8 BWRO Permeate Tank 1 set8.1 Tank Shell Plate, Thickness= ?mm m28.2 Tank Base Plate, Thickness= ?mm m28.3 Tank Top Plate, Thickness= ?mm m28.4 Ladder, Stair, Platform set8.5 Manhole set8.6 Valve set8.7 Nozzle (Pipe,Flange, etc) set8.8 Instrument set8.9 Anchor Bolt set


Note: 1. Bidder is responsible for check and filling this list according to the scope of supply requirement in the Section 13202.

2. Bidder to submit this detail BOQ list to Purchaser with the quotation.

Annex G-2 BOQ to be filled by Supplier

Coal Fired Power Plant Coal Fired Power Plant

67.5410Field Fabricated Tanks

281808

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Annex-M 1 Seawater Analysis

Seawater Analysis

Annex-M 1 Seawater Analysis

Epoxy Zinc (EPZ)/Polysiloxane (PSX)

Coating System 1511

5 12/29/14 Added Hempel GMA RHW 2 06/20/12 General Revision GMA RHW

4 12/20/13 Added Jotun GMA RHW 1 08/31/11 Recoat Window Issue GMA RHW

3 07/12/13 Conform to SSPC‐PA20 T2L2 GMA RHW 0 06/01/08 Initial Issue BPL RHWREV DATE REVISIONS AND RECORD OF ISSUE BY APP REV DATE REVISIONS AND RECORD OF ISSUE BY APP

BLACK & VEATCH COATING SYSTEM DATA SHEETS ‐ SYSTEM 1511 Drawing No. 81113‐DM‐0650

Rev 5

Project Energy‐Std‐2‐03880‐01420

Description Organiczincwithpolysiloxanefinish

Surfaces Carbonsteel

FirstCoat Touchup SecondCoat

VOCLimits 4.17lb/gal(500g/L) 4.17lb/gal(500g/L) 2.83lb/gal(340g/L)

ApprovedProducts CoatingmanufacturersandproductsotherthanthoselistedhereinaresubjecttoEngineer'sreview/approval.

Manufacturer FirstCoat Touchup SecondCoat

Carboline Carbozinc859 Carbozinc859 Carboxane2000

Hempel ZincRichEpoxy178US ZincRichEpoxy178US Hempaxane55000

International Interzinc315 Interzinc315 Interfine979

Jotun BarrierPlus BarrierPlus HardtopOptima

PPGAmercoat 68HS 68HS PSX700

Sherwin‐Williams ZincCladIIIHS ZincCladIIIHS PolysiloxaneXLE‐80

SurfacePreparation

SSPC‐SP6/NACENo.3CommercialBlastCleaningProfiledepth1to2mils(25µmto50µm)

Remarks ProfiletobeverifiedbyContractorusingASTMD4417MethodC.WeldstobepreparedinaccordancewithNACERP0178,AppendixC,Designation"E."

DryFilmThickness(DFT)

GenericCoatingType MinimumDFT MaximumDFT

Shop(S)orField(F)Applied Remarks

FirstCoat EPZ 3mils(75m) 4mils(100m) S ClassBslipcoefficient.

Touchup EPZ 3mils(75m) 4mils(100m) S,F SSPC‐SP3PowerToolCleaning.(NonrustedAreasOnly)

SSPC‐SP11PowerToolCleaningtoBareMetal(BareMetalorRustedAreas)

SecondCoat PSX 5mils(125m) 7mils(175m) S,F Donotapplytofayingsurfacesofslip‐criticalconnections.

CompletedSystem

8mils(200m) 11mils(275m) DryfilmthicknesstobeverifiedinaccordancewithSSPC‐PA2.

Annex M-3 81113-DM-0650-Coating System-1511

Epoxy Phenolic (EPP)/Epoxy Phenolic (EPP) Coating System

2313

2 12/31/15 Biennial Review RJT BPL

1 11/05/13 General Revision GMA RHW

0 06/01/08 Initial Issue BPL RHWREV DATE REVISIONS AND RECORD OF ISSUE BY APP REV DATE REVISIONS AND RECORD OF ISSUE BY APP


Rev 2


Description Epoxyphenolicwithepoxyphenolicfinish

Surfaces CarbonSteel


VOCLimits 2.83lb/gal(340g/L) 2.83lb/gal(340g/L)



Carboline Plasite7122VOC Plasite7122VOC

Hempel Hempadur85671 Hempadur85671

International Interline399 Interline399

Jotun TankguardSF TankguardSF

PPG Amercoat90HS Amercoat90HS

Sherwin‐Williams Epo‐PhenFF Epo‐PhenFF

SurfacePreparation

SSPC‐SP5/NACENo.1WhiteMetalBlastCleaningProfiledepth2to3mils(50µmto75µm)

Remarks ProfiletobeverifiedbyContractorusingASTMD4417MethodC.WeldstobepreparedinaccordancewithNACERP0178,AppendixC,Designation“C.”Maintainminimumof1/8in.(3.2mm)radiusonallcornersandedges.




FirstCoat EPP 5mils(125m) 7mils(175m) S,F

Touchup N/A N/A

SecondCoat EPP 5mils(125m) 7mils(175m) S,F

CompletedSystem

10mils(250m) 14mils(350m) DryfilmthicknesstobeverifiedinaccordancewithSSPC‐PA2.

HolidaytestingrequiredinaccordancewithNACERP0188andcoatingmanufacturer'sinstructions.

Annex M 4_81113-DM-0659_Coating System-2313

Epoxy Coal Tar (EPT)/Epoxy Coal Tar (EPT)

Coating System 2314



3 12/31/15 Biennial Review RJT BPL 0 06/01/08 Initial Issue BPL RHWREV DATE REVISIONS AND RECORD OF ISSUE BY APP REV DATE REVISIONS AND RECORD OF ISSUE BY APP


Rev 3


Description Epoxycoaltarwithepoxycoaltarfinish

Surfaces Carbonsteel


VOCLimits 2.83lb/gal(340g/L) 2.83lb/gal(340g/L)



Carboline Bitumastic300M Bitumastic300M

PPG Amercoat78HB Amercoat78HB

Sherwin‐Williams TarGuard TarGuard

Tnemec Series46H Series46H

SurfacePreparation

SSPC‐SP5/NACENo.1WhiteMetalBlastCleaningProfiledepth2to4mils(50µmto100µm)

Remarks ProfiletobeverifiedbyContractorusingASTMD4417MethodC.WeldstobepreparedinaccordancewithNACERP0178,AppendixC,Designation"C."Maintainminimumof1/8in.(3.2mm)radiusonallcornersandedges.




FirstCoat EPT 8mils(200m) 12mils(300m) S,F

Touchup N/A N/A

SecondCoat EPT 8mils(200m) 12mils(300m) S,F

CompletedSystem

16mils(400m) 24mils(600m) DryfilmthicknesstobeverifiedinaccordancewithSSPC‐PA2.HolidaytestingrequiredinaccordancewithNACESP0188andcoatingmanufacturer'sinstructions.


Epoxy Polyamide (EPX)/Epoxy Polyamide (EPX)

Coating System 2315

0 06/01/08 Initial Issue BPL RHW REV DATE REVISIONS AND RECORD OF ISSUE BY APP REV DATE REVISIONS AND RECORD OF ISSUE BY APP

BLACK & VEATCH COATING SYSTEM DATA SHEETS - SYSTEM 2315Drawing No. 81113-DM-0661

Rev 0

Project Energy-Std-2-03880-01420

Description NSF certified epoxy polyamide primer with epoxy polyamide finish

Surfaces Carbon Steel

First Coat Touchup Second Coat

VOC Limits 2.83 lb/gal (340 g/L) 2.83 lb/gal (340 g/L)

Approved Products Coating manufacturers and products other than those listed herein are subject to Engineer's review/approval.

Manufacturer First Coat Touchup Second Coat

PPG Amercoat 240 240

Carboline Carboguard 891 Carboguard 891

Hempel Hempadur Mastic 45880 Hempadur Mastic 45880

International Interseal 670 HS Interseal 670 HS

Jotun Tankguard 412 Tankguard 412

Sherwin-Williams Macropoxy 646PW Macropoxy 646PW

Tnemec Series N140 Series N140

Surface Preparation

SSPC-SP5/NACE No. 1 White Metal Blast Cleaning Profile depth 1 to 2 mils (25 µm to 50 µm)

Remarks Profile to be verified by Contractor using ASTM D4417 Method C. Welds to be prepared in accordance with NACE RP0178, Appendix C, Replica "C."

Dry Film Thickness (DFT)

Generic Coating Type Minimum DFT Maximum DFT

Shop (S) or Field (F) Applied Remarks

First Coat EPX 4 mils (100 μm) 6 mils (150 μm) S, F

Touchup N/A N/A

Second Coat EPX 4 mils (100 μm) 6 mils (150 μm) S, F

Completed

System 8 mils (200 μm) 12 mils (300 μm) Dry film thickness to be

verified in accordance with SSPC-PA2.

Holiday testing shall be performed in accordance with NACE RP0188 and coating manufacturer's instructions.

Annex Page 15/28


Annex M-7 81112-DS-0064-Typical Guardrail & Stair Rail




Annex M-11 81112-DS-0071-Typical Ladder Details

Annex M-12 81112-DS-0072-Typical Ladder Details

Annex M 13 - Tank Bottom Seal

Annex M 14 - Typical Tank Internal Ladder Details

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