Uhde India Pvt. Ltd.

U6509-3039 / ABM (66-6509-700) Page 1 of 1

ADDENDUM-1

Client : Bharat Petroleum Corporation Limited, Mahul Tender / Enq. No. : U6509-3039 / ABM Item : Distributed Control System (DCS) / Emergency Shutdown System (ESD PLC) Project No. : 66-6509-700

During the pre bid meeting held on 13-07-2010 at UIPL, Pune office, following amendments / clarifications were confirmed by UIPL / BPCL. These notes supersede the related tender clauses and also become the part of tender document A) Commercial Points :

1) Due date for submission has been extended to 12.00 hrs of 11.08.10. Technical Bids shall be opened at UIPL Pune office at 15.00 hrs of due date.

2) Required Delivery Period : Indian Bidders : 7 months FOT at site from the date of placement of FOA/LOI. Foreign Bidders : 6 months FOB port of dispatch from the date of placement of FOA/LOI.

3) Overall Completion Period : Indian Bidders : 12 months duly erected, tested and commissioned from the date of placement of FOA/LOI. Foreign Bidders : 12 months duly erected, tested and commissioned from the date of placement of FOA/LOI.

4) Payment terms shall remain unchanged as per tender conditions. 5) Price bid shall indicate prices in numerical as well as in words. 6) Merit Customs duty shall be applicable. No concessional duty is available for

the project. 7) Bidders to confirm that cenvatable invoice documents shall be submitted to

BPCL. Offers shall be evaluated considering CENVAT benefit if available to BPCL.

B) Technical Points :

Technical points are as detailed below:

PROJECT: 66-6509-700

BPCL - CCR, MAHULTECHNICAL ADDENDUM TO

ENGINEERING SPECIFICATIONS FOR

DCS / ESD

Sr No. Doc NoRef. Clause No. &

Page No.Description Addition/ Modification/ Deletion/ Clarification

1

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. No. 2.1, Sr No 5.

Page No. 6

Implementation of advance controls & optimization interface

with DCS.

DCS vendor scope of supply shall be OPC server along with

hardware firewall, necessary hardware, softwares at DCS end

and required connectivity for APC shall be estabilished by

DCS vendor and supply of APC is excluded from DCS

vendor's scope.

2

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. No. 2.3, Sr. No. 15

Page No. 8

Laying of armored communication cables through concrete

walls / openings in building using rigid steel conduits from

RMP control room (CR) to Satellite rack room (SRR) .

Laying of cables between RMP control room and Satellite

rack room is by others under supervision of UIPL. However

supply of all communication cables, armoured FO cables shall

be DCS vendor's scope.

3

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. No. 2.4.17

Page No. 10

GI cable trays shall be provided for power cables and Rigid

Steel conduits shall be provided for communication cables

For armored type communication cables within RMP control

room & within Satelite Rack Room instead of rigid steel

conduit, flexible steel conduit is acceptable.

4

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. No. 3.5 & 3.6 ,

Page No. 13

Separate redundant ESD controllers shall be used for…PSA

unit

The main PSA package is being supplied by M/s Linde along

with PLC & related engineering stations. Installation of these

PLC panels and engineering stations is in scope of DCS

vendor. Cabling between field and rack room is by others.

Termination of all cables in PSA PLC and engineering

stations is also included in DCS vendors scope under

supervision of M/s Linde / UIPL. DCS vendor shall provide

support for loop checking & minor modifications in wiring if

necessary in M/s Linde PSA package PLC system during

loop checking & comissioning activities. Apprx. I/O quantity of

M/s Linde package - 400 nos.Other than loops conected to

this PSA PLC few more signals as per I/O count list shall be

connected to main DCS and ESD.

5

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. No. 3.6 of

Page No. 13

Supply of separate redundant armored fiber optic

communication cable between PSA engineering workstation

in satellite rack room & PSA engineering workstation in RMP

control room shall be in DCS vendor scope. Minimum four

fiber shall be kept spare for future use. Refer revised system

architecture drawing enclosed.

6

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. No. 3.6 of

Page No. 13

Supply of separate redundant armored fiber optic

communication cable between Opview in RMP control room &

woodward panel in stellite rack room shall be in DCS vendor

scope. Refer revised system architecture drawing enclosed.

7

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. No. 8.5 (q)

Page No. 26

If Master & slave architecture is choosen, two redundant

servers may be opted or Proprietary communication Protocol

is adopted i.e. 2 operating station + one engineering station to

be choosen.

This requirement is deleted

Page 1 of 3

PROJECT: 66-6509-700

BPCL - CCR, MAHULTECHNICAL ADDENDUM TO

ENGINEERING SPECIFICATIONS FOR

DCS / ESD

Sr No. Doc NoRef. Clause No. &

Page No.Description Addition/ Modification/ Deletion/ Clarification

8

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. No.9.1 (f)

Page No. 31

& Part V- System

Architecture diagram

Separate controller sub-system shall be provided for

redundant serial interface requirements between DCS and

third party devices. These serial interfaces shall not be

combined with any process unit controller sub-system…..

Separate controller for serial communication with third party

devices is not required and shall be combined with respective

process unit controller. Revised system architecture drawing

enclosed.

9

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. 9.4 (a)

Page No. 35

All DCS AI/AO cards shall be HART pass through even if

they are not connected to HART devices.

10

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. No. 9.4 (a)

Page No. 35

The system shall be able to generate 4-20 mA DC & 4-20 mA

DC HART current signals for analog outputs …..

All AO cards shall be 4 ~ 20 mA HART though few of these

may be connected to non-HART devices like VFD's, electrical

heaters etc.

11

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. No. 9.5 (s)

Page No. 40

DCS vendor to submit optional quote for one additional PC for

MIS information with largest size around 42” LCD monitor (It

should be connected to network).

Optional price to be given for operator station with wall

mounted 42" LCD screen with all necessary hardware /

softwares which would be configured for all process units.

12

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. No. 9.9 (j)

Page No. 52

All fiber optical cables shall be armored & routed in metallic

conduits

For armored type communication cables within RMP control

room & within Satelite Rack Room instead of rigid steel

conduit, flexible steel conduit is acceptable.

13

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. No. 9.12 (e)

Page No. 54

In case of failure of redundant enqineerinq server, then

separate OPC server shall be still functional and shall not be

deqraded.

This requirement is deleted

14

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. No. 9.6 b)

Page No. 41

15

6509-IC-EC-00007

Part I - B

DCS Data sheets

Cl. No. 6.5.4

Page No. 5

17

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. No. 14.1

Page No. 64

OPC station can be integrated in engineering work station, in

which case separate OPC server & monitor is not requiredThis requirement is deleted

18

6509-IC-EC-00007

Part I - A

Engg. Spec. for DCS

Cl. No. 14.3

Page No. 64

In case separate OPC server is provided then the

hardware shall support and supplied with PC latest

configuration……………………………………….

Separate OPC server shall be provided.

19

6509-IC-EC-00007

Part I - B

DCS Data sheets

Cl. No. 7.2

Page No. 6 No. of monitor per operator station: 1 No Number of monitors per operator station - 2 nos

20

6509-IC-EC-00007

Part II - A

Engg. Spec. for ESD

Cl. No. 2.2 (g)

Page No. 6

In case of ESD, with 2oo3, inputs shall be hardwired in 3

different input cards.

Please find attached break up for 2oo3 voting counts for ESD.

Part IV - B, ESD I/O count table revised.

21

6509-IC-EC-00007

Part II - A

Engg. Spec. for ESD

Cl. No. 5.2

Page No. 8

However ESD & Non ESD I/O signals shall not be mixed in an

assigned I/O module. Non ESD signals - Not Apllicable

22

6509-IC-EC-00007

Part II - A

Engg. Spec. for ESD

Cl. No. 11.9

Page No. 13Analog inputs:4-20 mA HART

" HMS is not required for ESD signals". However field

transmitter signals both 4-20 mA HART output and 4-20 mA

output shall be ensured with ESD Communication.

EWS HDD : RAID 1 EWS HDD shall be RAID 5.

Page 2 of 3

PROJECT: 66-6509-700

BPCL - CCR, MAHULTECHNICAL ADDENDUM TO

ENGINEERING SPECIFICATIONS FOR

DCS / ESD

Sr No. Doc NoRef. Clause No. &

Page No.Description Addition/ Modification/ Deletion/ Clarification

23

6509-IC-EC-00007

Part IV - A

DCS I/O Count &

Part IV - B

ESD I/O Count

DCS I/O Count & ESD I/O Count

Refer attached revised DCS I/O count & ESD I/O count. BOM

(Part VI) & Auxiliary / Hardwired Console (Part IV - D) to be

modified by DCS vendor accordingly.

24

6509-IC-EC-00007

Part IV - C

I/O Module Cal. Format

I/O module calculations format Refer attached appended I/O calculation format

25

6509-IC-EC-00007

Part VIII

MCMS Confi. Dia.

MCMS configuration diagram Refer attached revised MCMS configuration diagram.

26 General

Number of auxillary / hardwired consoles for lamps & switches

will be finalised during detail engineering. Approximate

quantity of switches & lamps is given in specifications.

27 General

DCS alarms indicated on P&IDs which will be furnished during

detailed engineering shall be changeable only at supervisory

level. Limited access shall be provided to change alarm set

points.

28 GeneralAny deviation against enquiry specification shall be seperately

listed in the offer.

29 General

DCS vendor to provide unit rate for all types of I/O module,

power supply module, communication interface module, I/O

nest, controller, bought out items (barrier, isolator, repeater,

relay etc.) auxiliary / hardwired console, cabinets, cables

(signal cable, prefab cable communication cable, power

cables etc.) for DCS as well as ESD for addition or deletion of

each module.

Page 3 of 3

PROJECT: 66-6509-700

BPCL - CCR, MAHULDCS IO COUNT DOC. ID: 6509-IC-EC-00007, REV - 02

PART IV - A

PULSE

PROX.

SWITCH

FIELD

SWITCH

C.R.

SWITCH

MCC LAMPS ANNUCIATOR MCC

WB WB WOB WB FF WB WOB WB WB WB WR WR WR WB WOB WR WR WR WOR

UNIT 140

UNIT 140 59 4710 +

4(note 5)83 122 32 6 61 46 3 (note 6) 5

REACTOR

FEED HEATER

(140-F001)

11 11 3 42 30 2

STRIPPER

REBOILER

(140-F002)

11 11 3 42 30 2

PREHEATER, FD FAN

& ID FAN

(COMMON FOR BOTH

THE HEATERS)

2 6 2 11 6

RECYCLE GAS

COMPRESSOR

(140-K001 A/B)

4 4 25 16

H2 MAKE-UP

COMPRESSOR

(140-K002 A/B)

4 4 20 4 2

UNIT 141A

UNIT 141A 69 5410

(note 5)66 190 48 4 120 96

5 +

3 (note 6)11 1

PREHEATER

(141A-F101)5 5 3 22 30 2

FIRST INTERHEATER

(141A-F102)5 5 3 28 30 2

SECOND

INTERHEATER

(141A-F103)

5 5 3 22 30 2

THIRD INTERHEATER

(141A-F104)5 5 3 22 30 2

STABILIZER

REBOILER

(141A-F105)

5 5 3 40 30 2

PREHEATER, FD FAN

& ID FAN

(COMMON FOR ALL

THE HEATERS)

2 6 2 11 6

RECYCLE

COMPRESSOR

(141A-K101)

5 5 5 30 6 10 30 20

H2 RICH GAS

COMPRESSOR

(141A-K102A/B)

4 4 12 48 24 16 17 19 23

REFRIGERATION8 8 4 22 8 6

UNIT 140

PACKAGE

UNIT 141A

PACKAGE

SOV

CONTACT PULSE 4~20 mA4~20 mA 4~20 mA FF SIGNAL TEMPERATURE

FF SIGNAL WITH

MULTIPLEXER

DCS INPUT / OUTPUT REQUIREMENTS

UNIT NO. CLOSE CONTROL LOOPS OPEN MONITORING LOOPS

INPUTS OUTPUTS INPUTS OUTPUTS

4~20 mA T/C, RTD

Page 1 of 3

PROJECT: 66-6509-700

BPCL - CCR, MAHULDCS IO COUNT DOC. ID: 6509-IC-EC-00007, REV - 02

PART IV - A

PULSE

PROX.

SWITCH

FIELD

SWITCH

C.R.

SWITCH

MCC LAMPS ANNUCIATOR MCC

WB WB WOB WB FF WB WOB WB WB WB WR WR WR WB WOB WR WR WR WOR

SOV

CONTACT PULSE 4~20 mA4~20 mA 4~20 mA FF SIGNAL TEMPERATURE

FF SIGNAL WITH

MULTIPLEXER

UNIT NO. CLOSE CONTROL LOOPS OPEN MONITORING LOOPS

INPUTS OUTPUTS INPUTS OUTPUTS

4~20 mA T/C, RTD

UNIT 141B 58 47 9 (note 5) 65 165 16 105 34 3 5 8

REGENERATION

LOOP COMPRESSOR

(141B-K202A/B)

4 4 12 47 24 16 17 23

NITROGEN

COMPRESSOR

(141B-K201A/B)

1 2 2 30 2 4

AIR COMPRESSOR +

AIR DRYER (141B-

K203A/B)

3 3 27

UNIT 142

UNIT 142 9 10 30 13 2 13 5

PSA RECYCLE

COMPRESSOR

(142-K301)

2 3 6 39 8 2 9

TAIL GAS EXPORT

COMPRESSOR

(142-K302)

2 2 3 37 8 2 9

UNIT 143

UNIT 143 6 7 14 73 6 32 1 2

COOLING

TOWER1 1 3 (note 5) 4 13 4 10 2

ELECTRICAL 22 KV SWITCHGEAR

INCOMER COMMON

FAULT

2

22 KV SWITCHGEAR

TRANSFORMER

COMMON FAULT

4

11 KV SWITCHGEAR

INCOMER COMMON

FAULT

2

11 KV SWITCHGEAR

SOFT STARTER

FEEDER COMMON

FAULT

2

6.6 KV SWITCHGEAR

INCOMER COMMON

FAULT

2

6.6 KV SWITCHGEAR

TRANSFORMER

COMMON FAULT

6

BATTERY CHARGE 1 &

2 INCOMER SIGNALS2

BATTERY CHARGE 1 &

2 COMMON FAULT2

UPS SYSTEM

INCOMER SIGNAL2

UPS SYSTEM

COMMON FAULT2

PCC INCOMER

SIGNAL

(TOTAL 3 NOS.)

6

UNIT 142

PACKAGE

UNIT 141B

COMPLETE

PACKAGE

Page 2 of 3

PROJECT: 66-6509-700

BPCL - CCR, MAHULDCS IO COUNT DOC. ID: 6509-IC-EC-00007, REV - 02

PART IV - A

PULSE

PROX.

SWITCH

FIELD

SWITCH

C.R.

SWITCH

MCC LAMPS ANNUCIATOR MCC

WB WB WOB WB FF WB WOB WB WB WB WR WR WR WB WOB WR WR WR WOR

SOV

CONTACT PULSE 4~20 mA4~20 mA 4~20 mA FF SIGNAL TEMPERATURE

FF SIGNAL WITH

MULTIPLEXER

UNIT NO. CLOSE CONTROL LOOPS OPEN MONITORING LOOPS

INPUTS OUTPUTS INPUTS OUTPUTS

4~20 mA T/C, RTD

PCC COMMON FAULT

(TOTAL 3 NOS.)6

MCC INCOMER

SIGNALS

(TOTAL 5 NOS.)

10

MCC COMMON FAULT

(TOTAL 5 NOS.)10

PA SYSTEM SIGNALS 2

FA SYSTEM SIGNALS 2

VFD FAULT

SIGNALS5

TOTAL 290 0 0 0 0 264 36 331 0 1141 120 304 341 10 355 0 0 45 0 108 26 0 8 0

NOTE:

7) WB: WITH BARRIER, WOB: WITHOUT BARRIER, WR: WITH RELAY, WOR: WITHOUT RELAY

5) FF LOOP POWER INDICATORS WITH FIELD BARRIERS IN DCS VENDOR'S SCOPE

6) HART LOOP POWER INDICATORS AND ANALOG OUTPUT BARRIERS IN DCS VENDOR'S SCOPE

3) IN ADDITION TO THE SPARE SPURS LEFT FOR FUTURE USE IN THE SPUR JB, 5% ADDITIONAL SPUR JB COMPLETELY WIRED & ASSEMBLED WITH ALL

COMPONENTS SUCH AS MULTI-BARRIER, TERMINATING RESISTOR, ISOLATING SWITCH, SPIKE PROTECTOR ETC. SHALL BE PROVIDED. ALSO FOR THESE SPARE

SEGMENTS NECESSARY NO. OF H1 CARDS, POWER CONDITIONERS, SPIKE PROTECTORS, TERMINATING RESISTORS TO BE CONSIDERED ON THE SYSTEM SIDE.

4) FIELD SWITCHES ARE NOT IN DCS VENDOR SCOPE.

1) GIVEN IO COUNT IS EXCLUDING SPARES.

SPARE PHILOSOPHY SHALL BE 20% SPARE ON BASE COUNT + 10% DERATED SPARES. ADDITIONAL 20% FREE SPARE SPACE IS TO BE CONSIDERED IN THE SYSTEM.

2) OUT OF THE ABOVE INDICATED TOTAL COUNT FOR UNIT 141B, DIs & DOs 1:1 REDUNDANCY SHALL CONSIDERED FOR FOLLOWING COUNT:

DIGITAL INPUT SIGNALS - 16 NOS.

DIGITAL OUTPUT SINGALS - 8 NOS.

Page 3 of 3

PROJECT: 66-6509-700

BPCL - CCR, MAHULESD I/O COUNT DOC. ID: 6509-IC-EC-00007

PART IV - B

REV. : 02

NORMAL

4 ~ 20 mA

NO. OF

2 oo 3 COUNT

NO. OF

2 oo 8 COUNT

NO. OF

2 oo 43

COUNT

NORMAL

4 ~ 20 mA

PROX.

SWITCH

FIELD

SWITCHES

FIELD

MOUNTED

PUSH

BUTTONS

PUSH BUTTON /

BYPASS

SWITCHES

ON HWC

EMERGENCY

TRIP SWITCH

ON FIELD

EMERGENCY

TRIP SWITCH

ON HWC

MCC LAMPS FOR

PUSH BUTTONS

/ BYPASS

SWITCHES

ON HWC

LAMPS FOR

EMERGENCY

TRIP

SWITCHES ON

HWC

STATUS LAMPS

/ ANN. WIN

MCC SOV

WB WB WB WB WOB WB WR WR WR WR WR WR WB WOB WR WR WR WR WR

UNIT 140

UNIT 140 10

24

(For 8

2oo3 Loops)

43

(For 1

2oo43 Loop)

16 13 20 26 14 14 4 26 14 6 14 10

REACTOR

FEED HEATER

(140-F001)

11

15

(For 5

2oo3 Loops)

3 15

STRIPPER

REBOILER

(140-F002)

11

24

(For 8

2oo3 Loops)

3 15

PREHEATER, FD

FAN & ID FAN

(COMMON FOR

BOTH THE

HEATERS)

6 6 3

RECYCLE GAS

COMPRESSOR

(140-K001 A/B)

5

18

(For 6

2oo3 Loops)

4 10 10 2 2 7 15 10 10 4

H2 MAKE-UP

COMPRESSOR

(140-K002 A/B)

8

12

(For 4

2oo3 Loops)

2 10 8 2 6 10 5 6 4

UNIT 141A

UNIT 141A 7

39

(For 13

2oo3 Loops)

24 20 19 22 14 14 14 22 16 7 26 13

PREHEATER

(141A-F101)11 18 15

FIRST

INTERHEATER

(141A-F102)

11 23 15

SECOND

INTERHEATER

(141A-F103)

11 13 15

THIRD

INTERHEATER

(141A-F104)

11 9 15

STABILIZER

REBOILER

(141A-F105)

11 25 15

PREHEATER, FD

FAN & ID FAN

(COMMON FOR

BOTH THE

HEATERS)

6 6 3

RECYCLE

COMPRESSOR

(141A-K101)

6

24

(For 8

2oo3 Loops)

6 47 12 2 15 20 30 12 4

ESD INPUT / OUTPUT REQUIRMENTS

UNIT NO. INPUTS OUTPUTS

4~20 mA CONTACT 4~20 mA CONTACT

UNIT 140

PACKAGE

UNIT 141A

PACKAGE

Page 1 of 2

PROJECT: 66-6509-700

BPCL - CCR, MAHULESD I/O COUNT DOC. ID: 6509-IC-EC-00007

PART IV - B

REV. : 02

NORMAL

4 ~ 20 mA

NO. OF

2 oo 3 COUNT

NO. OF

2 oo 8 COUNT

NO. OF

2 oo 43

COUNT

NORMAL

4 ~ 20 mA

PROX.

SWITCH

FIELD

SWITCHES

FIELD

MOUNTED

PUSH

BUTTONS

PUSH BUTTON /

BYPASS

SWITCHES

ON HWC

EMERGENCY

TRIP SWITCH

ON FIELD

EMERGENCY

TRIP SWITCH

ON HWC

MCC LAMPS FOR

PUSH BUTTONS

/ BYPASS

SWITCHES

ON HWC

LAMPS FOR

EMERGENCY

TRIP

SWITCHES ON

HWC

STATUS LAMPS

/ ANN. WIN

MCC SOV

WB WB WB WB WOB WB WR WR WR WR WR WR WB WOB WR WR WR WR WR

UNIT NO. INPUTS OUTPUTS

4~20 mA CONTACT 4~20 mA CONTACT

H2 RICH GAS

COMPRESSOR

(141A-K102A/B)

9

48

(For 16

2oo3 Loops)

4 28 3 5 5 10 2 7 19 6 17

REFRIGERATION 13

15

(For 5

2oo3 Loops)

3 3 4 7 12 12

UNIT 141B 18

66

(For 22

2oo3 Loops)

8

(For 1

2oo8 Loop)

38 8 41 54 9 17 2 53 19 5 22 44

REGENERATION

LOOP

COMPRESSOR

(141B-K202A/B)

33

24

(For 8

2oo3 Loops)

4 28 3 5 5 10 2 7 19 6 17

NITROGEN

COMPRESSOR

(141B-K201A/B)

11

9

(For 3

2oo3 Loops)

16 1 5 20 8 21

AIR COMPRESSOR

+ AIR DRYER (141B-

K203A/B)

11

9

(For 3

2oo3 Loops)

15 5 20 8 20

UNIT 142

UNIT 142 3

6

(For 2

2oo3 Loops)

6 5 9 6 4 4 11 4 3

PSA RECYCLE

COMPRESSOR

(142-K301)

15

12

(For 4

2oo3 Loops)

7 3 3 6

TAIL GAS EXPORT

COMPRESSOR

(142-K302)

14

12

(For 4

2oo3 Loops)

7 3 3 6

UNIT 143

UNIT 143 4

3

(For 1

2oo3 Loops)

2 1 6 1 6 1 14

TOTAL 256 360 8 43 0 260 95 191 133 51 72 91 0 0 137 132 101 150 292

NOTE:

3) WB: WITH BARRIER, WOB: WITHOUT BARRIER, WR: WITH RELAY, WOR: WITHOUT RELAY

1) GIVEN IO COUNT IS EXCLUDING SPARES.

SPARE PHILOSOPHY SHALL BE 20% SPARE ON BASE COUNT + 10% DERATED SPARES.

ADDITIONAL 20% FREE SPARE SPACE IS TO BE CONSIDERED IN THE SYSTEM.

2) FIELD SWITCHES ARE NOT IN DCS VENDOR SCOPE.

UNIT 141B

COMPLETELY

PACKAGE

UNIT 142

PACKAGE

Page 2 of 2

PROJECT: 66-6509-700

BPCL - CCR, MAHUL

DOC. ID: 6509-IC-EC-00007, REV-02

PART IV - C

BASE I/O

COUNT

20% SPARE

ON BASE

COUNT

TOTAL I/O

COUNT

I/O CARD

MODEL NO.

NO. OF

CHANNELS

PER CARD

CHANNELS AFTER 10%

DERATION PER CARD

TOTAL NO. OF I/O

CARDS

REQUIRED

I/O NEST

MODEL

NO. OF I/O NEST

WITH 20%

SPARE SPACE

1 Analog 4-20 mA Input (note 3)

a) 4-20mA inputs with Barrier

b) 4-20mA inputs without Barrier

2 Digital Inputs

a) Digital input (Proximity) with barrier

b) Digital input switches with

interposing relays

c) MCC inputs with interposing relays

3 Analog Outputs (note 4)

4-20 mA analog outputs with barrier

4 Digital Outputs

a) Digital Outputs to MCC

2) Digital Outputs to SOV/Others

IO MODULE CALCULATION FORMAT

SR.

NO.

I/O MODULE TYPE BASED ON 20% SPARE + 10% DERATION

Page 1 of 2

PROJECT: 66-6509-700

BPCL - CCR, MAHUL

DOC. ID: 6509-IC-EC-00007, REV-02

PART IV - C

SR.

NO.

TYPE NO. AS PER

I/O COUNT

20% SPARE

ON BASE

COUNT

TOTAL

COUNT

1 Digital Input barrier

2 Digital output barrier

3 Input interposing relays

4 Output relays

5 4-20 ma analog input barrier

6 Isolators

7 Repeators

1 In 16 channel card, 10% of 16 i.e. 2 channels shall be kept as spare (wired spare) in each card.

2 In 32 channel card 10% of 32 i.e. 4 channels shall be kept as a spare (wired spare) in each card.

NOTES:

1 DCS VENDOR TO FILL & SUBMIT THE ABOVE TABLE FOR DCS AS WELL AS FOR ESD ALONG WITH OFFER.

2 DCS VENDOR TO SUBMIT COMMERCIAL OFFER BASED ON 10% DERATION SPARE

3 FOR DCS, VENDOR TO SUPPLY 4-20 mA HART INPUT MODULE.

4 FOR DCS ONLY, VENDOR TO SUPPLY 4-20 mA HART OUTPUT MODULE.

Example of 10% derated spare

Page 2 of 2