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BHARAT HEAVY ELECTRICALS LIMITED

PROJECT ENGINEERING MANAGEMENT, NOIDA

Date-11-Feb-19 CORRIGENDUM- 02

PROJECT : 3X800 MW PVUNL PATRATU TPP PHASE-1

PACKAGE : D.M. PLANT

ENQUIRY NO : E-6105/2018 Dated. 18.01.2019

SUBJECT : PRE- BID CLARIFICATION AND DUE DATE EXTENSION

Type of Corrigendum

Technical Corrigendum - Commercial Corrigendum -

In reference to the above mentioned tender enquiry for D.M. PLANT package Please note the following:

1. Pre-Bid replies as per attachment below.

2. Due Date has been extended from 11.02.2019 to 26.02.2018 till 02:00 PM. Bid Opening shall be done at 03:00 PM on the due date.

All the other terms and conditions of the tender enquiry shall remain unchanged. All the bidders are requested to quote accordingly.

Yours faithfully,

For and on behalf of BHEL

Vinit Kumar Verma Dy. Manager

AMENDMENT TO TECHNICAL SPECIFICATION FOR

DEMINERALIZATION PLANT (DM PLANT) 3X800 MW PATRATU STPP EXT.PH-I

BHEL DOCUMENTS NO.: PE-TS-434-163A-A001 AMENDMENT NO # 1 REV. NO. 00 DATE: 7-Feb-19

Page 1 of 5

The following modifications with respect to Technical Specification for DEMINERALIZATION PLANT (DM PLANT), BHEL’s Technical specification no PE-TS-434-163A-A001 shall apply. Bidder to note that existing clauses/page numbers as appearing in the specification stands deleted and clauses/page numbers as mentioned in “Modified to” column shall be applicable and complied by the bidder. MODIFIED CLAUSES/PAGE NUMBERS. Sl

no.

Vol.

No. Section/

Description Clause no Page no Existing Modified to

1. IIB SECTION – A/ INTENT OF SPECIFICATION

1.2 4 of 890

The contractor shall be responsible for providing all material, equipment & services, which are required to fulfil the intent of ensuring operability, maintainability, reliability and complete safety of the complete work covered under this specification, irrespective of whether it has been specifically listed herein or not. Omission of specific reference to any component / accessory necessary for proper performance of the equipment shall not relieve them of the responsibility of providing such facilities to complete the supply, erection and commissioning of Condensate Polishing Units along with pre filters and two numbers external regeneration system within quoted price.

The contractor shall be responsible for providing all material, equipment & services, which are required to fulfil the intent of ensuring operability, maintainability, reliability and complete safety of the complete work covered under this specification, irrespective of whether it has been specifically listed herein or not. Omission of specific reference to any component / accessory necessary for proper performance of the equipment shall not relieve them of the responsibility of providing such facilities to complete the supply, erection and commissioning of DEMINERALIZATION PLANT (DM PLANT) within quoted price.

2. IIB SECTION – C1/ SPECIFIC TECHNICAL REQUIRMENT-MECHANICAL

3.0 (62) 27 of 890 Mandatory spares as per Annexure-V enclosed in Section C1.

Mandatory spares as per Annexure-V enclosed in Section C1.Bidder to consider all applicable spares, in case any spares is not applicable the relevant equivalent spares shall be provided by bidder within quoted price.


3.0 (68) 27 of 890 Wrapping, coating and protection of the entire buried pipe shall be as per IS 10221 or AWWA C 203-93.

Wrapping, coating and protection of the entire buried pipe shall be as per IS 10221 or AWWA C 203-93. Bidder to consider 10% of the total piping length as buried pipe.


3.0 (70) 27 of 890

Six (6) sets of safety equipment [(Personal Protection Equipment (PPE)] comprising PVC protection suits with hoods, rubber boots, face visors and thick PVC gauntlets shall also be provided by the bidder. Two (2) number safety shower units and adequate nos. of eye fountains to protect against any chemical hazard shall also be provided by the bidder. For Details of Safety equipments refer Data Sheet-A.

Bidder to consider minimum safety equipment required for safe operation of DM Plant. Two (2) number safety shower units and adequate nos. of eye fountains to protect against any chemical hazard shall also be provided by the bidder


4.0 (3) 27 of 890 Min 400 meter DM plant feed piping from filtered water reservoir to DM plant.

Min 450 meter DM plant feed piping from filtered water reservoir to DM plant.

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4.0 (6) 27 of 890 Min 250 meter from Mixed bed vessel outlet to DM Plant Lab for sampling.

Min 380 meter from Mixed bed vessel outlet to DM Plant Lab for sampling.


4.0 (7) 27 of 890 Min 1500 meter piping from N.Pit to ash handling plant & central monitoring basin.

Min 560 meter piping from N.Pit to central monitoring basin in ETP area.


10.0-3) (EXCLUSIONS) 31 of 890 3 ) All chemicals. 3 ) All chemicals Except Chemicals Required for cleaning & Backwashing of Post MB UF Streams.


15.0 (24) 31 of 890

Service water shall be available near DM plant/ system building/ area at approximately 1.5 to 2.0 Kg/ Cm2. Hence, bidder to take care for cooling/ lubrication of the pumps being supplied by the bidder under this technical specification. If service water pressure requirement is more than available pressure, bidder to consider two (2) nos. cooling pump for package.

Stands Deleted.


15.0 (ADDITIONAL

REQUIREMENT) 32 of 890 New clause added.

32 ).The height of DM water storage tank, to be considered as approx. 16 metre.


15.0 (ADDITIONAL


33 ).The Chemicals Required for cleaning & Backwashing of Post MB UF Streams. for 6 month operation shall be in the scope of bidder.


15.0 (ADDITIONAL


34 ).Bidder to note that for deriving the inlet water quality (To DM plant) from the raw water analysis the following continuous dosing rates shall be considered & the raw water analysis to be modified accordingly (Turbidity to be considered as 5 NTU for clarified water) while designing the DM plant. Alum as Al2(SO4)3 -70ppm on 100% Basis, Lime as Ca(OH)2 -30ppm on 100% Basis , Coagulant aid - 2ppm on 100% Basis, PAC- 25-40 ppm on 100% Basis Chlorine Di Oxide - 2 ppm. Note- The above dosing rate may subject to minor variation during detail engineering stage. However the design of UF shall be based on colloidal silica value given in raw water analysis.

13. IIB SECTION – C1/ ANNEXURE-V 5 281 of 890 Page No. 281 of 890 Refer Enclosed “ANNEXURE-A”

14. IIB SECTION – C1/ ANNEXURE-V 6 282 of 890 Page No. 282 of 890 Refer Enclosed “ANNEXURE-B”

15. IIB SECTION – C1/ ANNEXURE-V 12 287 of 890 Page No. 287 of 890 Refer Enclosed “ANNEXURE-C”

16. IIB SECTION – C1/ ANNEXURE-V 5 288 of 890 Page No. 288 of 890 Refer Enclosed “ANNEXURE-D”

17. IIB SECTION – C1/ ANNEXURE-V Part-C 289 of 890 10. DM makeup pump motor

11. Boiler fill pumps motor

Stands Deleted.

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12. Condensate Transfer pumps motor

18. IIB SECTION – C1/ DRAWINGS

P&I DIAGRAM FOR

DEMINERALIZATION

PLANT (DM PLANT)

290 of 890 P&I DIAGRAM FOR DEMINERALIZATION PLANT (DM PLANT) (PE-DG-405-163A-A001)-REV-00

P&I DIAGRAM FOR DEMINERALIZATION PLANT (DM PLANT) (PE-DG-405-163A-A001)-REV-01

19. IIB SECTION – C1/ DATASHEET-A 2.15 293 of 890 Minimum Water Level- By Bidder Minimum Shaft Length of Pump- 4.5 m. minimum. Minor changes, if any shall be communicated during detail engineering.

20. IIB SECTION – C1/ DATASHEET-A 10.3 297 of 890

Bulk Storage Tank

ACID ALAKLI

Numbers required

As specified As specified

Bulk Storage Tank

ACID ALAKLI

Numbers Required (Min).

Three (3) Two (2)


Bulk Storage Tank

ACID ALAKLI

Capacity (Each tank)

To store 30 days requirement of acid for regeneration of all operating DM stream & N-pit neutralization + 175.0 CUM for CPU regeneration + 5% overall margin.

To store 30 days requirement of alkali (100%) for regeneration of all operating DM stream & N-pit neutralization + 75.0 cum for CPU regeneration + 5% overall margin.

Bulk Storage Tank

ACID ALAKLI

Capacity (Each tank)

To store 30 days requirement of acid for regeneration of all operating DM stream, & N-pit neutralization + 110.0 CUM for CPU regeneration + 5% overall margin.

To store 30 days requirement of alkali for regeneration of all operating DM stream & N-pit neutralization + 40.0 cum for CPU regeneration + 5% overall margin.


Effective capacity- 150% of waste effluent from one regeneration of complete stream of cation,anoin,MB and CPU service vessels.(DM + CPU). CPU waste to be considered minimum 350 cum per regeneration. No. of compartments: 2 Free board : 350 mm Accessories : Panel mounted pH indicator cum recorder on pump discharge recirculation header

Effective capacity- (Each Section) 150% of waste effluent from one regeneration of complete stream of cation, anion, MB and CPU service vessels.(DM + CPU). CPU waste to be considered minimum 200 cum per regeneration. No. of compartments: 2

23. IIB SECTION – C1/ DATASHEET-A 19.2 299 of 890 Design Standard (for diameter,length & thickness)- As per BS: 2594. However, dished ends shall be of Torispherical type

Design Standard- IS 803

24. IIB SECTION – C1/ DATASHEET-A 19.3 299 of 890 Number of units per DM stream- One (1) Number of units - One (1)

25. IIB SECTION – C1/ DATASHEET-A 19.4 299 of 890 Useful (Effective) Capacity (minimum)- 1 Hr storage Capacity of Both UF stream to match with net output

Effective Capacity (minimum)- 1 Hr storage Capacity of Both UF stream to match with grass output of both UF

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(Post UF) of 160 cum/hr each UF stream + Water required for backwashing of UF membrane Chemical preparation requirements Plus 5% margin over the above total requirements. (Not less than 350 cum/hr.)

stream. (Not less than 350 cum/hr.)

26. IIB SECTION – C1/ DATASHEET-A 22.3 300 of 890 Each Capacity (net) in cu.m/hr-To Suit the net DM Plant output (Post UF) per stream of160 cum/hr

Each Capacity (net) in cum/hr- Capacity of each UF stream to match with gross capacity of Net output of 160 cum/hr + Water required for back washing & flushing (as required) of UF membranes & Chemical preparation requirements. (Not less than 160 Cum/hr.)

27. IIB SECTION – C1/ DATASHEET-A 23.1 300 of 890 Quantity-2 Nos. (1W+1S) Quantity-2 Nos. (1W+1S) UF Backwash Pumps, 2 Nos. (1W+1S) UF Fast Flush Pumps,

28. IIB SECTION – C1/ DATASHEET-A 23.6 300 of 890 Type of Pump-Horizontal Centrifugal with VFD Type of Pump-Horizontal Centrifugal

29. IIB SECTION – C3/SPECIFIC TECHNICAL REQUIRMENT-C&I

19.02.00 432 of 890 Residual Chlorine Analyser Stands Deleted.

30. IIB

SECTION – D/GENERAL TECHNICAL REQUIREMENT OF WATER TREATMENT SYSTEM/PLANT (CONT.)

14.00.00-B. A)

713 of 890 Bulk Storage Tanks Stands Deleted.

31. IIB


25.00.00 – C. e) 764 of 890

For UF and RO Plant application, stainless steel piping (SS-304) shall be used for the high pressure piping and the industrial grade CPVC as per ASTM F441 CPVC 4120 Sch. 80 piping shall be used for low pressure areas.

Stands Deleted.

32. IIB


2.00.00-A)-j) 626 of 890 Three (3) numbers of DM water storage tanks with all accessories.

Stands Deleted.

33. IIB


2.00.00-A)-m to y) 627 of 890 Page No. 282 of 890 Refer Enclosed “ANNEXURE-E”

34. IIB


D. 4) 641 of 890

A. ULTRAFILTRATION (UF) SYSTEM (For ION Exchange DM Plant)- a) UF skids (2x100%) (Pressurized type), Simplex strainers (2x100%) (1W+1S) for each stream, UF backwash pumps (2x100%) (1W+1S) along with flushing tanks and pumps, CEB & CIP systems, UF Feed water storage tanks (2), UF permeate transfer pumps (3x100%) (2W+1S) etc.

Stands Deleted.

35. IIB


5.01.00-2 (a) 665 of 890

Bulk acid storage tank (HCl-30-33% Conc.): Minimum three (3) numbers to hold one (1) month requirement of acid for regeneration of all operating DM streams operated at its rated capacity, with specified service cycle, regeneration period and using guaranteed chemical

Bulk acid storage tank (HCl-30-33% Conc.): Minimum three (3) numbers, Each Tank To store 30 days requirement of acid for regeneration of all operating DM stream & N-pit neutralization + 110.0 CUM for CPU regeneration + 5% overall margin.

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627 of 890




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consumption plus any other requirements as envisaged by the contractor to be met throughthese tanks.

36. IIB


5.01.00-2 (b) 665 & 666 of

890

Bulk Alkali storage tank (NaOH 48% Conc.): Minimum two (2) numbers to hold one (1) month requirement of alkali required for regeneration of all operating DM streams operated at its rated capacity, with specified service cycle, regeneration period and using guaranteed chemical consumption plus any other requirements as envisaged by the contractor to be met through these tanks.

Bulk Alkali storage tank (NaOH 48% Conc.): Minimum two (2) numbers,Each tank To store 30 days requirement of alkali for regeneration of all operating DM stream & N-pit neutralization + 40.0 cum for CPU regeneration + 5% overall margin.

37. IIB


5.03.00 668 of 890

SURFACE FLOW RATE FOR ION–EXCHANGERS The following shall be maximum surface flow rates for the various Ion-Exchangers at the design capacity. i) Cation unit – 35 m3/hr/m2 (for both weak and strong Cation) ii) Anion unit – 35 m3/hr/m2 (for both weak and strong Anion) iii) Mixed bed unit – 40 m3/hr/m2 1) In case the contractor offers both weak and strong Ion-exchange units (for Cation and/or Anion unit), the surface flow rate for the strong ion exchange unit(s) only may be increased as indicated below, if contractor has adequate experience of designing Demineralisation plants of such higher surface flow rate . Maximum surface flow rate:- i) Strong Cation unit – 40 m3/hr/m2. ii) Strong Anion unit – 40 m3/hr/m2.

SURFACE FLOW RATE FOR ION–EXCHANGERS The following shall be maximum surface flow rates for the various Ion- Exchangers at the design capacity. i) Cation unit – 35 m3/hr/m2 (for both weak and strong Cation) ii) Anion unit – 35 m3/hr/m2 (for both weak and strong Anion) iii) Mixed bed unit – 40 m3/hr/m2.

38. IIB SECTION – D/GENERAL TECHNICAL REQUIREMENT OF WATER TREATMENT SYSTEM/PLANT (CONT.)

17.00.00-A 719 of 890 ULTRAFILTRATION UNIT (POST MB UF OF ION EXCHANGE BASED DM PLANT)

Stands Deleted.


17.00.00-B 720 of 890 BASKET STRAINER Stands Deleted.


17.00.00-E 721 of 890 UF FILTRATE CUM BACKWASH WATER PUMPS Stands Deleted.

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BHEL DOCUMENTS NO.: PE-TS-434-163A-A001 VOLUME II-B SECTION-C1

3X800 MW PATRATU STPP EXT.PH-I

REV. NO. 00 DATE:

TITLE: TECHNICAL SPECIFICATION FOR DEMINERALIZATION PLANT (DM PLANT)

SPECIFICATION NO.: PE-TS-434-163A-A001 REV 00 281 of 890

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ANNEXURE-A



REV. NO. 00 DATE:



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ANNEXURE-B



REV. NO. 00 DATE:



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ANNEXURE-C



REV. NO. 00 DATE:



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ANNEXURE-D

CLAUSE NO. SCOPE OF SUPPLY & SERVICES

EPC PACKAGE FOR PATRATU SUPER THERMAL POWER

STATION EXPANSION PHASE -I (3X800 MW)

TECHNICAL SPECIFICATIONSSECTION-VI, PART-A

BID DOC.NO. CS-9585-001-2

SUB SECTION- IIA-09WATER TREATMENT

PLANT

PAGE10 OF 18

m) Backwash water from AC filters, rinse waste water and fast/final rinse waste water of Ion-Exchangers units shall be connected to the backwash sump and same shall be led into the inlet channel of PT-DM clarifier of Water Pretreatment Plant. UF back wash water shall also be led to this back wash pit.

n) First fill of filter media for AC filters.

o) First fill of resins for all Ion Exchange units.

p) 25 NB Stainless steel DM water line from Mixed Bed headers to DM plant lab.

q) Interconnecting piping, valves, fittings and accessories including Pre Cast RCC pipes at road crossing as required.

r) Supply and application of final painting to all the equipment, piping & accessories.

s) All approach ladders and operation/maintenance platforms, handrails as required for various equipment, valves and instruments, support trestles, bridges, brackets, bolts, nuts, clamps etc. for the associated piping.

t) Suitable MS Epoxy Painted elevated Access Platform to be provided for internal inspection of all the AC Filters and Ion Exchanger vessels.

u) Required numbers of DM water makeup pumps and drives & associated valves and piping etc.

v) Required numbers of Boiler Fill pumps and drives & associated Valves and piping etc.

w) Required numbers of condensate transfer pumps and drives & associated Valves and piping etc.

x) Brine Solution Preparation Tank and Brine transfer pumps, piping and valves.

y) Provision of hot water supply to the ACF units from the hot water tank shall be made for rejuvenation of activated carbon and the DM regeneration pumps to be sized considering above requirement in addition to required for regeneration.


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ANNEXURE-E

MIXED BEDSWEAK BASE ANIONDEGASSER TOWERSACTIVATED CARBON FILTERS STRONG ACID CATIONMB AIR BLOWERS

STRONG BASE ANION

FILTERED WATER O/H TANK

AC FILTER (ALKALI)

ALKALI MEASURING

BULK ACID STORAGE

BULK ALKALI STORAGE

TANK

2x100 % ACID UNLOADING /

TRANSFER PUMPS

BULK ALKALI STORAGE

BULK ACID STORAGE

TANK

TANK

TANK

TANK

ACID MEASURING

TANK

ACID MEASURING

TANK

AC

ID

D

OS

IN

G E

JE

CT

OR

S

ALKALI MEASURING

TANK

AL

KA

LI D

OS

IN

G E

JE

CT

OR

S

DEGASSED WATER TANK

ALKALI PREPARATION TANK

(FOR ALKALI FLAKES )

ALKALI MEASURING

TANK

BRINE SOLUTION

PREPARATION TANK

BRINE SOLUTION

TRANSFER PUMP

DOSING PUMPS

CLEANING TANK

UF CHEMICAL

UF CHEMICAL CLEANING

DOSING SYSTEM.

DOSING PUMP

ACID

DOSING SYSTEM.

DOSING TANK

DOSING PUMP

ALKALI

DOSING SYSTEM.

HYPO

DOSING TANK

DOSING TANK

ACID MEASURING

TANK

LIME DOSING

TANK

FILTERED WATER RESERVOIR

(BHEL'S SCOPE)

DEGASSED

AIR BLOWERS

WEAK ACID CATION

2x100 % ALKALI UNLOADING /

TRANSFER PUMPS

DM REGENERATION

PUMPS (2X100%)

DOSING TANK

DOSING TANK DOSING TANK

SAFETY SHOWER WITH EYE WASH

(2 NOs.)

TITLE

PROJECT

OWNER

(A GOVERNMENT OF INDIA ENTERPRISE)

NTPC DRAWING NO.

DEGASSED WATER TANK

DEGASSED

AIR BLOWERS

HOT WATER TANK

DOSING PUMP

DEGASSED

WATER PUMPS

TO

CMB

FROM

O/H TANK

BULK ACID STORAGE

TANK

ALKALI TRANSFER

CUM RECIRCULATION PUMPS

UF MEMBRANE

UF FEED

PUMPS (3X100%)

UF BACKWASH

PUMPS (2X100%)

UF FAST FLUSH

PUMPS (2X100%)

UF FEED WATER

STORAGE TANK

11 of 11

BH

EL's

Rep

lies

Dtd

.07.

02.2

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to P

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No.

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Page

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o.

Spec

ifica

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Req

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men

t C

larif

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Rea

son

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larif

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ion

/B

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HEL

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ion

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C1

4.0

27

Pipi

ng:

4) M

in 2

50 m

eter

DM

wat

er p

ipin

g fro

m U

F ou

tlet t

o D

M

Wat

er s

tora

ge ta

nk.

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se p

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de th

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ight

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M

wat

er s

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wat

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are

in

BHEL

sco

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Ref

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men

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ent-1

.

2.

IIB

C1

Anne

xure

-V

281

Man

dato

ry S

pare

s:

5) V

alve

s (D

M &

CPU

)

Man

dato

ry s

pare

s fo

r CPU

are

not

ap

plic

able

. Ple

ase

conf

irm.

CPU

is n

ot p

art o

f DM

sch

eme.

R

efer

Am

ened

men

t-1.

3.

IIB

C1

Anne

xure

-V

282

Man

dato

ry S

pare

s:

6) H

oriz

onta

l Cen

trifu

gal P

umps

- A

cid

, Alk

ali U

nloa

ding

Pu

mp,

Br

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trans

fer

pum

ps,

Alka

li tra

nsfe

r cu

m

re-

circ

ulat

ion

Pum

ps, D

ilutio

n w

ater

pum

ps

Man

dato

ry s

pare

s fo

r Dilu

tion

wat

er p

umps

are

not

app

licab

le.

Plea

se c

onfir

m.

Dilu

tion

wat

er p

umps

are

not

par

t of

DM

sch

eme.

R

efer

Am

ened

men

t-1.

4.

IIB

C1

Anne

xure

-V

287

Man

dato

ry S

pare

s:

12)

Verti

cal w

et p

it pu

mps

: Was

te s

ervi

ce w

ater

tran

sfer

pu

mps

, Coa

l dec

ante

d w

ater

, DM

Pla

nt fe

ed p

umps

Man

dato

ry s

pare

s fo

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te

serv

ice

wat

er tr

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er p

umps

and

C

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wat

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re n

ot

appl

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le. P

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e co

nfirm

.

Was

te s

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ce w

ater

tran

sfer

pu

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and

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ater

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t par

t of D

M s

chem

e.

Ref

er A

men

edm

ent-1

.

5.

IIB

C1

Anne

xure

-V

288

Man

dato

ry S

pare

s:

5)

Verti

cal

sum

p pu

mps

: Sl

udge

D

ispo

sal

Pum

ps,

Back

was

h w

ater

pum

ps (F

ilter

s)

Man

dato

ry s

pare

s fo

r Slu

dge

Dis

posa

l Pum

ps a

nd B

ackw

ash

wat

er p

umps

(Filt

ers)

are

not

ap

plic

able

. Ple

ase

conf

irm.

Slud

ge D

ispo

sal P

umps

and

Ba

ckw

ash

wat

er p

umps

(Filt

ers)

ar

e no

t par

t of D

M s

chem

e.

Ref

er A

men

edm

ent-1

.

6.

IIB

C1

Anne

xure

-V

289

Man

dato

ry S

pare

s:

7.

DM

mak

eup

pum

p m

otor

8.

Boile

r fill

pum

ps m

otor

9.

Con

dens

ate

Tran

sfer

pum

ps m

otor

Man

dato

ry s

pare

s fo

r DM

mak

eup

pum

p m

otor

, Boi

ler f

ill p

umps

m

otor

and

Con

dens

ate

Tran

sfer

pu

mps

mot

or a

re n

ot a

pplic

able

. Pl

ease

con

firm

.

DM

m

akeu

p pu

mp,

Bo

iler

fill

pum

ps a

nd C

onde

nsat

e Tr

ansf

er

pum

ps

are

not

part

of

DM

sc

hem

e.

Ref

er A

men

edm

ent-1

.

10.

IIB

C1

Anne

xure

-V

280

MAN

DA

TOR

Y S

PAR

ES F

OR

DM

PLA

NT

For

Man

dato

ry

Spar

es,

only

ap

plic

able

sp

ares

fo

r eq

uipm

ent

bein

g su

pplie

d fo

r D

M

Pack

age

shal

l be

su

pplie

d.

All

dupl

icat

e de

scrip

tions

, if

any

in t

he li

st s

hall

be d

elet

ed fr

om s

cope

of s

uppl

y.

M/s

BH

EL to

acc

ord

acce

ptan

ce.

Spec

ifica

tion

requ

irem

ent i

s cl

ear

in th

is re

gard

.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n.

1 of

10

BH

EL's

Rep

lies

Dtd

.07.

02.2

019

to P

re-B

id Q

uerie

s (D

MP-

3X80

0 M

W P

ATR

ATU

STP

P EX

T. P

H-I)

Sr.

No.

Vo

lum

e Se

ctio

n C

laus

e N

o.

Page

N

o.

Spec

ifica

tion

Req

uire

men

t C

larif

icat

ion

Rea

son

for C

larif

icat

ion

/B

idde

r’s A

ssum

ptio

n B

HEL

REP

LY

11.

IIB

C1

Anne

xure

–A

29

3 D

ata

shee

t of F

ilter

wat

er p

ump:

Min

imum

wat

er le

vel –

by

bidd

er

For

the

sele

ctio

n of

pu

mp

shaf

t le

ngth

, we

requ

est t

o pr

ovid

e in

vert

leve

l an

d FG

L of

Fi

ltere

d w

ater

re

serv

oir.

As fi

ltere

d w

ater

rese

rvoi

r is

part

of G

ravi

ty fi

lter c

over

ed u

nder

pr

e-tre

atm

ent p

lant

pac

kage

, in

vert

leve

l of s

ump

and

FGL

to

be c

onfir

med

by

Clie

nt.

Plea

se c

onsi

der 4

.5 m

as

shaf

t le

ngth

. Min

or c

hang

es, i

f any

sh

all b

e co

mm

unic

ated

dur

ing

deta

il en

gine

erin

g.

12.

IIB

C1

Anne

xure

–A

29

7 10

. Bul

k St

orag

e Ta

nk

Acid

-

Cap

acity

(Ea

ch t

ank)

- To

sto

re 3

0 da

ys r

equi

rem

ent

of

acid

for

reg

ener

atio

n of

all

oper

atin

g D

M s

tream

& N

-pit

neut

raliz

atio

n +

175.

0 C

UM

for

CPU

reg

ener

atio

n +

5%

over

all m

argi

n.

Alka

li-

Cap

acity

(Ea

ch t

ank)

- To

sto

re 3

0 da

ys r

equi

rem

ent

of

alka

li (1

00%

) for

rege

nera

tion

of a

ll op

erat

ing

DM

stre

am

& N

-pit

neut

raliz

atio

n +

75.0

cum

for C

PU re

gene

ratio

n +

5% o

vera

ll m

argi

n.

Plea

se c

larif

y th

at w

heth

er c

apac

ity

of A

cid

stor

age

tank

/Alk

ali s

tora

ge

tank

of

30 d

ays

requ

irem

ent

to b

e pr

ovid

ed fo

r eac

h ta

nk o

r com

bine

d to

geth

er o

f thr

ee n

os. t

anks

.

Con

tradi

ctor

y in

spe

cific

atio

n.

Ref

er A

men

edm

ent-1

.

IIB

D

2) o

f 5.0

1.00

66

5 a)

Bul

k ac

id s

tora

ge ta

nk (H

Cl-3

0-33

% C

onc.

): M

inim

um

thre

e (3

) nu

mbe

rs to

hol

d on

e (1

) m

onth

req

uire

men

t of

aci

d fo

r re

gene

ratio

n of

all

oper

atin

g D

M s

tream

s op

erat

ed a

t its

rat

ed c

apac

ity,

with

spe

cifie

d se

rvic

e cy

cle,

re

gene

ratio

n pe

riod

and

usin

g gu

aran

teed

ch

emic

al c

onsu

mpt

ion

plus

any

oth

er re

quire

men

ts a

s en

visa

ged

by th

e co

ntra

ctor

to b

e m

et th

roug

h th

ese

tank

s.

b) B

ulk

Alka

li st

orag

e ta

nk (N

aOH

48%

Con

c.):

Min

imum

tw

o (2

) num

bers

to h

old

one

(1) m

onth

requ

irem

ent o

f al

kali

requ

ired

for

rege

nera

tion

of a

ll op

erat

ing

DM

st

ream

s op

erat

ed a

t its

rate

d ca

paci

ty…

….

13.

IIB

C1

Anne

xure

–A

29

9 19

. UF

Feed

Wat

er S

tora

ge T

ank

19.1

Typ

e- V

ertic

al c

ylin

dric

al a

tmos

pher

ic

19.2

Des

ign

Stan

dard

(for

dia

met

er, l

engt

h &

thic

knes

s) -

As p

er B

S: 2

594.

How

ever

, di

shed

end

s sh

all

be o

f To

risph

eric

al ty

pe

Plea

se c

larif

y th

e D

esig

n st

anda

rd

appl

icab

le

for

UF

Feed

W

ater

St

orag

e Ta

nk.

Con

tradi

ctor

y in

spe

cific

atio

n.

Ref

er A

men

edm

ent-1

.

IIB

D

16.0

0.00

71

8 1)

Ty

pe- V

ertic

al c

ylin

dric

al a

tmos

pher

ic

2)

Des

ign

Stan

dard

- IS:

803

2 of

10

BH

EL's

Rep

lies

Dtd

.07.

02.2

019

to P

re-B

id Q

uerie

s (D

MP-

3X80

0 M

W P

ATR

ATU

STP

P EX

T. P

H-I)

Sr.

No.

Vo

lum

e Se

ctio

n C

laus

e N

o.

Page

N

o.

Spec

ifica

tion

Req

uire

men

t C

larif

icat

ion

Rea

son

for C

larif

icat

ion

/B

idde

r’s A

ssum

ptio

n B

HEL

REP

LY

14.

IIB

C1

Anne

xure

–A

29

9 19

. UF

Feed

Wat

er S

tora

ge T

ank

1.4

Use

ful (

Effe

ctiv

e) C

apac

ity (m

inim

um)-

1 H

r sto

rage

Cap

acity

of B

oth

UF

stre

am to

mat

ch w

ith n

et

outp

ut (

Post

UF)

of1

60 c

um/h

r ea

ch U

F st

ream

+ W

ater

re

quire

d fo

r ba

ckw

ashi

ng o

f U

F m

embr

ane

Che

mic

al

prep

arat

ion

requ

irem

ents

Plu

s 5%

mar

gin

over

the

abov

e to

tal r

equi

rem

ents

. (N

ot le

ss th

an 3

50 c

um/h

r.)

As p

er te

nder

, wor

king

stre

am o

f UF

is o

ne n

o. o

f 160

m3/

hr n

et o

utpu

t. W

ith

cons

ider

ing

1 hr

st

orag

e,

capa

city

of U

F Fe

ed W

ater

sto

rage

ta

nk is

not

mat

ched

with

350

cum

/hr

as s

peci

fied

in d

ata

shee

t. Pl

ease

ch

eck

and

clar

ify th

e sa

me.

UF

stea

ms-

2x1

00%

Sp

ecifi

catio

n re

quire

men

t is

clea

r in

this

rega

rd.

The

min

imum

cap

acity

of U

F fe

ed w

ater

sto

rage

tank

sha

ll be

35

0 cu

m.

15.

IIB

C1

Anne

xure

–A

30

0 20

. UF

feed

pum

ps

Num

bers

Req

uire

d- T

hree

(3),

(2 w

orki

ng +

1 s

tand

-by)

.

Cap

acity

(eac

h)- T

o Su

it th

e ne

t DM

Pla

nt o

utpu

t (P

ost U

F)

per s

tream

of 1

60 c

um/h

r

Plea

se c

larif

y th

e w

orki

ng a

nd

stan

d by

phi

loso

phy

of U

F st

ream

s i.e

. bot

h U

F st

ream

s ar

e w

orki

ng o

r on

e w

orki

ng +

one

sta

nd b

y.

UF

stea

ms-

2x1

00%

Sp

ecifi

catio

n re

quire

men

t is

clea

r in

this

rega

rd.

The

UF

feed

pum

ps s

hall

be 3

N

os. (

2W+1

S). e

ach

pum

p sh

all

be s

ized

for m

eetin

g U

F st

ream

(n

et O

utpu

t) of

160

cum

/hr m

in.

16.

IIB

C1

Anne

xure

–A

30

0 22

. UF

Skid

s

Each

Cap

acity

(ne

t) in

cu.

m/h

r- T

o Su

it th

e ne

t DM

Pla

nt

outp

ut (P

ost U

F) p

er s

tream

of 1

60 c

um/h

r

Plea

se c

larif

y th

e re

quire

men

t of

“Plu

s 5%

mar

gin

over

the

abov

e to

tal r

equi

rem

ents

”, sh

all b

e co

nsid

ered

by

bidd

er o

r not

.

Con

tradi

ctor

y in

spe

cific

atio

n.

Ref

er A

men

edm

ent-1

.

IIB

D

17.0

0.00

71

9 4)

U

F Tr

eate

d (F

iltra

te) F

low

:

Cap

acity

of e

ach

UF

Trai

ns to

mat

ch w

ith g

ross

cap

acity

of

Net

out

put

of

160

cum

/hr

+ W

ater

req

uire

d fo

r ba

ck

was

hing

of

U

F m

embr

ane

Che

mic

al

prep

arat

ion

requ

irem

ents

Pl

us

5%

mar

gin

over

th

e ab

ove

tota

l re

quire

men

ts. (

Not

less

than

160

Cu.

m/h

r.)

17.

IIB

C1

Anne

xure

–A

30

0 U

F B

ACKW

ASH

/ FE

ED

FLU

SH P

UM

PS:

Ty

pe o

f Pum

p H

oriz

onta

l Cen

trifu

gal w

ith V

FD

VFD

ope

ratio

n of

UF

back

was

h pu

mp

shal

l be

prov

ided

sub

ject

to

reco

mm

enda

tion

of U

F m

embr

ane

man

ufac

ture

rs. P

leas

e co

nfirm

.

Supp

ly o

f VFD

for U

F ba

ckw

ash

pum

p R

efer

Am

ened

men

t-1.

3 of

10

BH

EL's

Rep

lies

Dtd

.07.

02.2

019

to P

re-B

id Q

uerie

s (D

MP-

3X80

0 M

W P

ATR

ATU

STP

P EX

T. P

H-I)

Sr.

No.

Vo

lum

e Se

ctio

n C

laus

e N

o.

Page

N

o.

Spec

ifica

tion

Req

uire

men

t C

larif

icat

ion

Rea

son

for C

larif

icat

ion

/B

idde

r’s A

ssum

ptio

n B

HEL

REP

LY

18.

IIB

C1

Anne

xure

–A

30

0,

301

UF

CIP

Tan

k an

d U

F cl

eani

ng p

umps

U

F C

IP T

ank

and

UF

clea

ning

pu

mps

sha

ll be

pro

vide

d su

bjec

t to

reco

mm

enda

tion

of U

F m

embr

ane

man

ufac

ture

rs. P

leas

e co

nfirm

.

UF

Back

was

h an

d cl

eani

ng

oper

atio

n ph

iloso

phy

to b

e fo

llow

ed a

s pe

r UF

man

ufac

ture

re

com

men

datio

n.

Spec

ifica

tion

requ

irem

ent i

s cl

ear

in th

is re

gard

.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n.

19.

IIB

D

A) 2

5.00

.00

751

26) F

ront

al P

ipin

g of

UF

Skid

s - S

S 30

4 Pl

ease

cla

rify

the

pipi

ng M

OC

of

UF

skid

- CPV

C o

r SS3

04.

Con

tradi

ctor

y in

spe

cific

atio

n.

Ref

er A

men

edm

ent-1

.

IIB

D

C) 2

5.00

.00

764

e) F

or U

F an

d R

O P

lant

app

licat

ion,

sta

inle

ss s

teel

pip

ing

(SS-

304)

sha

ll be

use

d fo

r th

e hi

gh p

ress

ure

pipi

ng a

nd

the

indu

stria

l gra

de C

PV

C a

s pe

r AS

TM F

441

CP

VC

412

0 Sc

h. 8

0 pi

ping

sha

ll be

use

d fo

r low

pre

ssur

e ar

eas.

20.

IIB

D

A)

Of

2.00

.00

626

j) Th

ree

(3)

num

bers

of D

M w

ater

sto

rage

tan

ks w

ith a

ll ac

cess

orie

s.

Ple

ase

conf

irm th

at D

M w

ater

st

orag

e ta

nks

alon

g w

ith

asso

ciat

ed in

stru

men

ts &

ac

cess

orie

s ar

e no

t in

Bidd

er’s

sc

ope.

Tend

er P

&D

sho

ws

that

DM

w

ater

sto

rage

tank

s ar

e in

M/s

BH

EL s

cope

.

Ref

er A

men

edm

ent-1

.

21.

IIB

D

A)

Of

2.00

.00

627

q) In

terc

onne

ctin

g pi

ping

, val

ves,

fitti

ngs

and

acce

ssor

ies

incl

udin

g Pr

e C

ast

RC

C

pipe

s at

ro

ad

cros

sing

as

re

quire

d.

Supp

ly o

f Pre

Cas

t RC

C p

ipes

sh

all b

e C

lient

’s s

cope

. Ple

ase

conf

irm.

Civ

il w

orks

are

in c

lient

’s s

cope

. Sp

ecifi

catio

n re

quire

men

t is

clea

r in

this

rega

rd.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n.

22.

IIB

D

A)

Of

2.00

.00

627

u) R

equi

red

num

bers

of

DM

wat

er m

akeu

p pu

mps

and

dr

ives

& a

ssoc

iate

d va

lves

and

pip

ing

etc.

v) R

equi

red

num

bers

of

Boile

r Fi

ll pu

mps

and

driv

es &

as

soci

ated

Val

ves

and

pipi

ng e

tc.

w)

Req

uire

d nu

mbe

rs o

f con

dens

ate

trans

fer

pum

ps a

nd

driv

es &

ass

ocia

ted

Valv

es a

nd p

ipin

g et

c.

DM

wat

er m

akeu

p pu

mps

, Boi

ler

Fill

pum

ps, c

onde

nsat

e tra

nsfe

r pu

mps

are

not

in B

idde

r’s s

cope

. Pl

ease

con

firm

.

DM

wat

er m

akeu

p pu

mps

, Boi

ler

Fill

pum

ps, c

onde

nsat

e tra

nsfe

r pu

mps

are

not

sho

wn

in T

ende

r P

&ID

s.

Ref

er A

men

edm

ent-1

.

23.

IIB

D

D) o

f 2.0

0.00

64

1 A.

ULT

RA

FILT

RAT

ION

(UF)

SYS

TEM

a) U

F sk

ids

(2x5

0%) (

Pres

suriz

ed ty

pe),

Sim

plex

stra

iner

s (2

x100

%) (

1W+1

S) fo

r eac

h st

ream

, UF

back

was

h pu

mps

(2

x100

%) (

1W+1

S) a

long

with

flus

hing

tank

s an

d pu

mps

, C

EB

& C

IP s

yste

ms,

Flus

hing

tank

s an

d pu

mps

, CE

B &

CIP

sys

tem

s sh

all b

e pr

ovid

ed

subj

ect t

o re

com

men

datio

n of

UF

mem

bran

e m

anuf

actu

rers

. Ple

ase

conf

irm.

UF

Flus

hing

, CE

B an

d cl

eani

ng

oper

atio

n ph

iloso

phy

to b

e fo

llow

ed a

s pe

r UF

man

ufac

ture

re

com

men

datio

n.

Ref

er A

men

edm

ent-1

.

4 of

10

BH

EL's

Rep

lies

Dtd

.07.

02.2

019

to P

re-B

id Q

uerie

s (D

MP-

3X80

0 M

W P

ATR

ATU

STP

P EX

T. P

H-I)

Sr.

No.

Vo

lum

e Se

ctio

n C

laus

e N

o.

Page

N

o.

Spec

ifica

tion

Req

uire

men

t C

larif

icat

ion

Rea

son

for C

larif

icat

ion

/B

idde

r’s A

ssum

ptio

n B

HEL

REP

LY

24.

IIB

D

D) o

f 2.0

0.00

64

1 A.

ULT

RA

FILT

RAT

ION

(UF)

SYS

TEM

UF

perm

eate

w

ater

st

orag

e ta

nks

(2),

UF

perm

eate

tra

nsfe

r pum

ps (3

x50%

) (2W

+1S)

etc

.

Plea

se c

larif

y th

e qu

antit

y of

UF

Feed

wat

er s

tora

ge ta

nk a

nd

supp

ly o

f UF

perm

eate

tran

sfer

pu

mps

.

UF

perm

eate

sto

rage

tank

is o

ne

no. a

s pe

r dat

a sh

eet o

f UF

Feed

W

ater

Sto

rage

Tan

k of

An

nexu

re-A

, pag

e 29

9.

Scop

e of

UF

perm

eate

tran

sfer

pu

mps

are

not

spe

cifie

d in

tend

er

clau

se n

o.3.

00 o

f sco

pe o

f su

pply

and

the

sam

e ar

e no

t sh

own

in T

ende

r P&I

D.

Ref

er A

men

edm

ent-1

.

25.

IIB

D

D) o

f 2.0

0.00

64

2 g)

Tw

o (2

) (2

x100

%)

(1W

+1S)

num

bers

of

back

was

h di

spos

al p

umps

sha

ll be

pro

vide

d. T

wo

(2)

num

bers

air

blow

ers

(2x1

00%

) (1W

+1S)

for t

he a

ir ag

itatio

n sy

stem

of

the

filte

r bac

kwas

h pi

t sha

ll be

pro

vide

d.

Plea

se c

larif

y th

e sc

ope

of A

ir bl

ower

s fo

r air

agita

tion

syst

em fo

r Fi

lter b

ackw

ash

pit.

Air b

low

ers

for a

ir ag

itatio

n sy

stem

for F

ilter

bac

kwas

h pi

t ar

e no

t env

isag

ed in

tend

er

clau

se n

o.3.

00 o

f sco

pe o

f su

pply

and

the

sam

e ar

e no

t sh

own

in T

ende

r P&I

D

Ref

er P

&I D

IAG

RAM

FO

R

DEM

INER

ALIZ

ATIO

N P

LAN

T (D

M P

LAN

T) (P

E-D

G-4

05-1

63A-

A001

)-R

EV-

01 e

nclo

sed

with

Am

ened

men

t-1.

26.

IIB

C1

68) o

f 3.0

27

W

rapp

ing,

coa

ting

and

prot

ectio

n of

the

entir

e bu

ried

pipe

sh

all b

e as

per

IS 1

0221

or A

WW

A C

203

-93.

Pl

ease

cla

rify

the

pipi

ng w

hich

are

to

be

laid

und

ergr

ound

. Kin

dly

also

pr

ovid

e its

rout

ing.

R

efer

Am

ened

men

t-1.

27.

IIB

C1

Tend

er P

&ID

29

0 It

is s

how

n th

at U

F ba

ckw

ash

to b

e do

ne b

y us

ing

UF

feed

w

ater

. As

pe

r st

anda

rd

prac

tice,

U

F pe

rmea

te w

ater

to

be u

sed

for

UF

back

was

h.

Plea

se

rech

eck

and

clar

ify th

e sa

me.

Ref

er P

&I D

IAG

RAM

FO

R

DEM

INER

ALIZ

ATIO

N P

LAN

T (D

M P

LAN

T) (P

E-D

G-4

05-1

63A-

A001

)-R

EV-

01 e

nclo

sed

with

Am

ened

men

t-1. 5

of 1

0

BH

EL's

Rep

lies

Dtd

.07.

02.2

019

to P

re-B

id Q

uerie

s (P

TP-3

X800

MW

PA

TRA

TU S

TPP

EXT.

PH

-I)

SR.

NO

. VO

LUM

E SE

CTI

ON

C

LAU

SE N

O.

PAG

E N

O.

SPEC

IFIC

ATI

ON

REQ

UIR

EMEN

T C

LAR

IFIC

ATI

ON

B

HEL

REP

LY

1E- 61

0520

18TE

CH

NIC

AL

SPEC

IFIC

ATIO

N

RAW

WAT

ER

ANAL

YSIS

N

ote

# 2

16 o

f 890

Al

um a

s Al

2 (S

O4)

3 -

70 p

pm o

n 10

0% b

asis

, P

AC 2

5 - 4

0 pp

m o

n 10

0% b

asis

Purp

ose

of A

lum

& P

AC d

osin

g is

sa

me.

Hen

ce

bidd

er

sugg

est

to

cons

ider

ei

ther

Al

um

or

PAC

do

sing

sys

tem

.

Spec

ifica

tion

requ

irem

ent

is

clea

r in

this

rega

rd.

Bidd

er t

o no

te t

hat

prov

isio

n ha

s be

en g

iven

for

bot

h P

AC

&

alum

dos

ing.

Bid

der t

o ta

ke

care

sui

tabl

y.

2E- 61

0520

18TE

CH

NIC

AL

SPEC

IFIC

ATIO

N

SCO

PE O

F SU

PPL

Y (M

ECH

ANIC

AL)

3.

0 sN

.70

27 o

f 890

Six

(6)

sets

of

sa

fety

eq

uipm

ent

[(Per

sona

l Pr

otec

tion

Equi

pmen

t (P

PE)

] co

mpr

isin

g PV

C

prot

ectio

n su

its w

ith h

oods

, ru

bber

boo

ts,

face

vi

sors

and

thi

ck P

VC g

aunt

lets

sha

ll al

so b

e pr

ovid

ed

by

the

bidd

er.

Two

(2)

num

ber

safe

ty s

how

er u

nits

and

ade

quat

e no

s. o

f ey

e fo

unta

ins

to p

rote

ct a

gain

st a

ny c

hem

ical

haz

ard

shal

l al

so

bepr

ovid

ed b

y th

e bi

dder

. Fo

r D

etai

ls o

f Sa

fety

eq

uipm

ents

refe

r Dat

a Sh

eet-A

.

As th

e 41

5 V

MC

C p

anel

is

bein

g pr

ovid

ed b

y BH

EL .

Hen

ce

supp

ly o

f the

se s

afet

y eq

uipm

ent a

re e

xclu

ded.

Bidd

er t

o co

nsid

er m

inim

um

safe

ty e

quip

men

t req

uire

d fo

r sa

fe o

pera

tion

of D

M P

lant

.

3E- 61

0520

18TE

CH

NIC

AL

SPEC

IFIC

ATIO

N

ADD

ITIO

NAL

R

EQ

UIR

EM

EN

T 15

. 24

31 o

f 890

Bi

dder

to c

onsi

der

two

(2)

nos.

coo

ling

pum

p fo

r pa

ckag

e Bi

dder

re

ques

t to

co

nfirm

ed

capa

city

of c

oolin

g pu

mp.

Ref

er A

men

dmen

t-1

4E- 61

0520

18TE

CH

NIC

AL

SPEC

IFIC

ATIO

N

GU

ARAN

TEE

UN

DER

C

ATE

GO

RY

–III

A.4

267

of 8

90

Turb

idity

in th

e ef

fluen

t wat

er s

hall

be le

ss th

an

0.5

NTU

Tu

rbid

ity a

t the

out

let o

f AC

F w

ill

be 1

.0 N

TU.

Spec

ifica

tion

requ

irem

ent

is

clea

r in

this

rega

rd.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n.

5S

PEC

IFIC

ATIO

N N

O.:

PE-

TS-4

34-1

63A

-A0

01 R

EV

00

C&

I spe

cific

atio

n 12

3

52 o

f 890

Al

l th

e tra

nsm

itter

s su

pplie

d by

Bid

der

shal

l be

ra

ck m

ount

ed.

We

prop

osed

th

at

nece

ssar

y su

ppor

ts (

mou

ntin

g br

acke

t etc

) sh

all c

onsi

der

for

all t

rans

mitt

ers

inst

ead

of ra

ck s

uppo

rt.

Spec

ifica

tion

requ

irem

ent

is

clea

r in

this

rega

rd.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n. 6

of 1

0

BH

EL's

Rep

lies

Dtd

.07.

02.2

019

to P

re-B

id Q

uerie

s (P

TP-3

X800

MW

PA

TRA

TU S

TPP

EXT.

PH

-I)

SR.

NO

. VO

LUM

E SE

CTI

ON

C

LAU

SE N

O.

PAG

E N

O.

SPEC

IFIC

ATI

ON

REQ

UIR

EMEN

T C

LAR

IFIC

ATI

ON

B

HEL

REP

LY

6S

PEC

IFIC

ATIO

N N

O.:

PE-

TS-4

34-1

63A

-A0

01 R

EV

01

C&

I spe

cific

atio

n 29

35

4 of

890

R

edud

ancy

of s

enso

rs a

re in

Bid

der s

cope

. Pl

ease

cl

arify

w

heat

her

it is

re

quire

d or

no

t fo

r pr

oces

s ap

plic

atio

n fo

r all

trans

mitt

ers.

Spec

ifica

tion

requ

irem

ent

is

clea

r in

this

rega

rd.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n.

7S

PEC

IFIC

ATIO

N N

O.:

PE-

TS-4

34-1

63A

-A0

01 R

EV

01

Tech

nica

l re

quire

men

ts

2.01

.1 S

l No

241

1 of

890

S

PEC

IFIC

ATIO

N

FOR

EL

ECTR

ON

IC

TRAN

SMIT

TER

FO

R

PRES

SUR

E,

DIF

F PR

ESS

. DP

FLO

W &

LEV

EL- A

ccur

racy

spa

n

We

have

co

nsid

ered

ac

cura

cy

span

up

to

+/

-0.5

%

calib

rate

d sp

an.

Spec

ifica

tion

requ

irem

ent

is

clea

r in

this

rega

rd.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n.

8S

PEC

IFIC

ATIO

N N

O.:

PE-

TS-4

34-1

63A

-A0

01 R

EV

01

TEC

HN

ICA

L S

PEC

IFIC

ATIO

NS,

se

c-vi

, par

t b

2.04

.00

415

of 8

90

Han

d he

ld c

alib

rato

r W

e ha

ve c

onsi

dere

d 1

No

hand

he

ld

calib

rato

r fo

r al

l ty

pe

of

trans

mitt

ers.

Spec

ifica

tion

requ

irem

ent

is

clea

r in

this

rega

rd.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n.

9S

PEC

IFIC

ATIO

N N

O.:

PE-

TS-4

34-1

63A

-A0

01 R

EV

01

TEC

HN

ICA

L S

PEC

IFIC

ATIO

NS,

se

c-vi

, par

t b

13

429

of 8

90

Type

of r

otam

eter

W

e ha

ve p

ropo

sed

glas

s ty

pe

rota

met

er i

nste

ad o

f m

etal

tub

e ro

tam

eter

.

Spec

ifica

tion

requ

irem

ent

is

clea

r in

this

rega

rd.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n.

10

E- 6105

2018

TEC

HN

ICA

L SP

ECIF

ICAT

ION

-

15.0

0.00

43

0 of

890

PR

OC

ESS

AC

TUAT

ED S

WIT

CH

ES

Con

tact

Rat

ing

shal

l be

1/5

A,

250

V AC

as

read

ily a

vaila

ble

whi

ch s

hall

be o

pera

tive

on 2

4 V

D

C a

nd th

at w

ill b

e as

per

OEM

st

anda

rd.

Spec

ifica

tion

requ

irem

ent

is

clea

r in

this

rega

rd.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n.

11

SP

ECIF

ICAT

ION

NO

.: P

E-TS

-434

-163

A-

A001

RE

V 01

TEC

HN

ICA

L S

PEC

IFIC

ATIO

NS,

se

c-vi

, par

t b

19.0

3 43

2 of

890

C

hlor

ine

anal

yzer

-ele

ctro

de M

OC

W

e ha

ve

cons

ider

ed

MO

C

of

elec

trode

of

C

hlor

ine

anal

yzer

sh

all b

e co

pper

.

Ref

er A

men

dmen

t-1.

7 of

10

BH

EL's

Rep

lies

Dtd

.07.

02.2

019

to P

re-B

id Q

uerie

s (P

TP-3

X800

MW

PA

TRA

TU S

TPP

EXT.

PH

-I)

SR.

NO

. VO

LUM

E SE

CTI

ON

C

LAU

SE N

O.

PAG

E N

O.

SPEC

IFIC

ATI

ON

REQ

UIR

EMEN

T C

LAR

IFIC

ATI

ON

B

HEL

REP

LY

12

SP

ECIF

ICAT

ION

NO

.: P

E-TS

-434

-163

A-

A001

RE

V 01

TEC

HN

ICA

L S

PEC

IFIC

ATIO

NS,

se

c-vi

, par

t b

3.01

43

4 of

890

S

PE

CIF

ICA

TIO

N O

F A

NA

LYS

ER

S

We

prop

ose

that

man

ufac

ture

rs

stan

dard

dr

ivin

g lo

ad

of

impe

danc

e sh

all p

rovi

de in

stea

d of

driv

ing

load

of

impe

danc

e of

50

0Ohm

s m

inim

um

of

all

appl

icab

le

anal

yzer

s fo

r th

is

pack

age.

Spec

ifica

tion

requ

irem

ent

is

clea

r in

this

rega

rd.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n.

13

E- 6105

2018

TEC

HN

ICA

L SP

ECIF

ICAT

ION

TRAI

NIN

G O

F EM

PLO

YER

'S

PER

SON

NEL

28

.00.

00

547

of 8

90

TRAI

NIN

G O

F E

MPL

OYE

R'S

PER

SO

NN

EL

Bidd

er w

ill p

rovi

de tr

aini

ng a

t site

on

ly.

Spec

ifica

tion

requ

irem

ent

is

clea

r in

this

rega

rd.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n.

14

E- 6105

2018

TEC

HN

ICA

L SP

ECIF

ICAT

ION

SUR

FAC

E FL

OW

R

ATE

FO

R IO

N–

EXC

HA

NG

ER

S

5.03

.00

668

of 8

90

i) C

atio

n un

it –

35 m

3/hr

/m2

(for b

oth

wea

k an

d st

rong

Cat

ion)

ii)

Ani

on u

nit –

35

m3

/hr/m

2 (fo

r bot

h w

eak

and

stro

ng A

nion

)

& Max

imum

sur

face

flow

rate

:- i)

Stro

ng C

atio

n un

it –

40 m

3/hr

/m2.

ii)

Stro

ng A

nion

uni

t – 4

0 m

3/hr

/m2

Ther

e is

m

ism

atch

va

lues

fo

r su

rface

flo

w

rate

s.

Bidd

er re

ques

t to

conf

irm s

urfa

ce

flow

rate

for S

AC

& S

BA.

Ref

er A

men

dmen

t-1.

15

SP

ECIF

ICAT

ION

NO

.: P

E-TS

-434

-163

A-

A001

RE

V 01

Acid

& a

lkal

i tan

k- L

evel

tran

smitt

er a

pplic

atio

n W

e ha

ve c

onsi

dere

d ul

traso

nic

LT fo

r aci

d/al

kali

tank

app

licat

ion.

Spec

ifica

tion

requ

irem

ent

is

clea

r in

this

rega

rd.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n.

16

GST

rela

ted

Cor

rigen

dum

to G

CC

R

ev 0

6

9.0

Term

s of

pa

ymen

t 10

9.3.

1 Pa

ymen

t of

ba

sic

pric

e of

m

ater

ials

su

pplie

d, a

s pe

r app

rove

d bi

lling

sch

edul

e, a

long

w

ith fr

eigh

t, ta

xes

and

dutie

s (a

s ap

plic

able

), sh

all

be p

aid

agai

nst r

ecei

pt o

f mat

eria

l at s

ite o

n pr

o-ra

ta

basi

s.

15%

of

ba

sic

pric

e of

m

ater

ials

su

pplie

d w

ill b

e re

tain

ed a

s se

curit

y de

posi

t whi

ch

will

be

rele

ased

on

pro

–rat

a ba

sis

as d

etai

ls

belo

w:

a) 5

% w

ill b

e re

leas

ed o

n pr

o-ra

ta b

asis

afte

r su

bmis

sion

of M

ater

ial R

ecei

pt C

ertif

icat

e (M

RC

) fro

m p

roje

ct s

ite e

ngin

eer

of o

wne

r/pur

chas

er.

Col

lect

ion

of M

ater

ial

Rec

eipt

Cer

tific

ate

from

si

te/o

wne

r an

d its

sub

mis

sion

for

cla

imin

g th

e

For

Supp

ly

– 30

% A

dvan

ce a

gain

st P

ro-fo

rma

Invo

ice.

60

% A

gain

st P

ro-fo

rma

Invo

ice

alon

g w

ith

100%

Ta

xes

and

Dut

ies

prio

r di

spat

ch o

f mat

eria

l. 10

%

agai

nst

succ

essf

ul

com

mis

sion

ing

and

subm

issi

on

of P

BG

for

equ

ival

ent

amou

nt

valid

upt

o de

fect

liab

ility

per

iod.

8 of

10

Bid

ders

are

requ

este

dto

follo

wte

nder

docu

men

tson

ly.

BH

EL's

Rep

lies

Dtd

.07.

02.2

019

to P

re-B

id Q

uerie

s (P

TP-3

X800

MW

PA

TRA

TU S

TPP

EXT.

PH

-I)

SR.

NO

. VO

LUM

E SE

CTI

ON

C

LAU

SE N

O.

PAG

E N

O.

SPEC

IFIC

ATI

ON

REQ

UIR

EMEN

T C

LAR

IFIC

ATI

ON

B

HEL

REP

LY

paym

ent

shal

l be

th

e re

spon

sibi

lity

of

the

Selle

r/Con

tract

or.

b) 1

0% w

ill b

e re

leas

ed a

fter

i) su

bmis

sion

of a

ll fin

al d

ocum

ents

as

per

Tech

nica

l Spe

cific

atio

ns

and

ii) s

ucce

ssfu

l co

mpl

etio

n of

Per

form

ance

G

uara

ntee

(P

G)/

Dem

onst

ratio

n Te

st

and

hand

ing

over

of t

he s

yste

m/ p

acka

ge, i

f app

licab

le, a

s pe

r O

rder

/ Con

tract

17

GST

rela

ted

Cor

rigen

dum

to G

CC

R

ev 0

6

9.4

EREC

TIO

N

&C

OM

MIS

SIO

NIN

G

PAY

MEN

T

11

9.4.

1 Ei

ghty

per

cent

(80

%)

paym

ent

on p

rora

ta

basi

s fo

r th

e w

ork

com

plet

ed,

as p

er p

prov

ed

billi

ng

sche

dule

, sh

all

be

rele

ased

by

Site

au

thor

ities

/ R

egio

n on

su

bmis

sion

of

pr

otoc

ols,

dul

y si

gned

by

BHE

L Si

te/

Ow

ner.

9.4.

2 Te

n pe

rcen

t (10

%) o

f the

tota

l val

ue s

hall

be

rele

ased

by

Si

te

auth

oriti

es/

Reg

ion

on

succ

essf

ul

com

mis

sion

ing

of

the

com

plet

esy

stem

/ pa

ckag

e.9.

4.3

Ten

perc

ent (

10%

) of t

he to

tal v

alue

sha

ll be

re

leas

ed

by

Site

au

thor

ities

/ R

egio

n on

su

cces

sful

co

mpl

etio

n of

PG

/ D

emon

stra

tion

test

(s)

and

hand

ing

over

sys

tem

/ pac

kage

to th

e O

wne

r, as

app

licab

le.

For

Erec

tion

& C

omm

issi

onin

g –

20%

M

obili

zatio

n ad

vanc

e.70

%

pro-

rata

ba

sis

agai

nst

erec

tion

wor

k.10

% a

gain

st c

omm

issi

onin

g an

d ha

ndov

er o

f pla

nt.

PG

(BO

P) to

Rep

ly.

18

GST

rela

ted

Cor

rigen

dum

to G

CC

R

ev 0

6

9.6

11

9.6

Vend

ors

shal

l sub

mit

docu

men

ts fo

r pay

men

t di

rect

ly to

BH

EL. P

aym

ent w

ill b

e re

leas

ed w

ithin

60

day

s af

ter

rece

ipt o

f com

plet

e do

cum

ents

as

per

orde

r/con

tract

(45

day

s fo

r ve

ndor

s qu

alifi

ed

and

regi

ster

ed a

s M

icro

or S

mal

l as

per M

SMED

Ac

t).

Diff

eren

tial P

aym

ents

app

licab

le

for

Supp

ly -

With

in 3

0 da

ys f

or

Non

MSE

ven

dors

PG

(BO

P) to

Rep

ly.

19

GST

rela

ted

Cor

rigen

dum

to G

CC

R

ev 0

6

Cla

use

16.0

of G

CTC

- Li

quid

ated

da

mag

es

15

Purc

hase

r re

serv

es th

e rig

ht to

rec

over

from

the

Selle

r/ C

ontra

ctor

, as

agre

ed li

quid

ated

dam

ages

an

d no

t by

way

of

pena

lty,

a su

m e

quiv

alen

t to

ha

lf (½

) pe

rcen

t plu

s ap

plic

able

GST

of t

he to

tal

cont

ract

pric

e pe

r wee

k or

par

t the

reof

, sub

ject

to

a m

axim

um

of

ten

(10)

pe

rcen

t of

th

e to

tal

cont

ract

pric

e e

xclu

ding

ele

men

ts o

f tax

es, d

utie

s an

d fre

ight

, if t

he S

elle

r/ C

ontra

ctor

fails

to d

eliv

er

any

part

of t

he o

rder

ed s

tore

s w

ithin

the

per

iod

stip

ulat

ed i

n th

e O

rder

/ C

ontra

ct.

For

Turn

key

pack

ages

(Su

pply

and

E&C

in v

endo

r’s s

cope

), Li

quid

ated

Dam

ages

sha

ll be

levi

ed o

n th

e to

tal

cont

ract

val

ue o

f bo

th u

pply

and

E&C

ord

ers

(exc

ludi

ng

taxe

s,

dutie

s an

d fre

ight

) if

E&C

om

plet

ion

of th

e pa

ckag

e is

del

ayed

bey

ond

the

cont

ract

ual c

ompl

etio

n da

te o

r ext

ensi

on th

ereo

f. Li

quid

ated

Dam

ages

will

not

be

with

held

fro

m

supp

ly p

aym

ent.

LD f

or d

elay

in

deliv

ery

sole

ly

attri

buta

ble

to th

e Su

pplie

r will

be

0.1

% p

er w

eek

of u

ndel

iver

ed

porti

on o

n a

pro

rata

bas

is t

o m

axim

um 5

% o

f C

ontra

ct v

alue

. G

ST C

harg

es s

hall

not a

pply

on

LD c

harg

es, i

f app

licab

le.

PG

(BO

P) to

Rep

ly.

20

Form

ats

91

BAN

K G

UAR

ANTE

B

G to

be

subm

itted

in th

e fo

rmat

issu

ed b

y BH

EL.

Bank

Gua

rant

ee f

orm

ats

to b

e m

utul

ly a

gree

d up

on

PG

(BO

P) to

Rep

ly.

9 of

10

Bid

ders

are

requ

este

dto

follo

wte

nder

docu

men

tson

ly.

Bid

ders

are

requ

este

dto

follo

wte

nder

docu

men

tson

ly.

Bid

ders

are

requ

este

dto

follo

wte

nder

docu

men

tson

l y.

Bid

ders

are

requ

este

dto

follo

wte

nder

docu

men

tson

ly.

BH

EL's

Rep

lies

Dtd

.07.

02.2

019

to P

re-B

id Q

uerie

s (P

TP-3

X800

MW

PA

TRA

TU S

TPP

EXT.

PH

-I)

SR.

NO

. VO

LUM

E SE

CTI

ON

C

LAU

SE N

O.

PAG

E N

O.

SPEC

IFIC

ATI

ON

REQ

UIR

EMEN

T C

LAR

IFIC

ATI

ON

B

HEL

REP

LY

E (B

G)

FOR

P

ERFO

RM

AN

CE

S

ECU

RIT

Y

21

PE-

TS-4

34-1

63A

-A0

01

Scop

e Ta

ble

for

Wat

er T

reat

emen

t pl

ant

Sr.N

o 3

307

of 8

90

Pow

er

cabl

es,

cont

rol

cabl

es

and

scre

ened

co

ntro

l ca

bles

for

a)

both

en

d eq

uipm

ent

in

BHEL

’s

scop

eb)

bo

th

end

equi

pmen

t in

ve

ndor

’s

scop

ec)

one

end

equ

ipm

ent i

n ve

ndor

’s s

cope

A. W

W u

nder

stan

d th

at a

ll po

wer

ca

ble

supp

ly

in

BHEL

sc

ope.

B

. Pl

ease

cal

rify

the

sup

ply

of

Inst

rum

ent

Cab

le

:-(i)

Fro

m I

nstru

men

t to

JB

and

(ii) F

rom

JB

to D

CS/

PLC

Spec

ifica

tion

requ

irem

ent

is

clea

r in

this

rega

rd.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n.

22

PE-

TS-4

34-1

63A

-A0

02

Scop

e Ta

ble

for

Wat

er T

reat

emen

t pl

ant

Sr.N

o 6b

30

7 of

890

10

0/ 5

0 m

m c

able

tra

ys/

Con

duits

/ G

alva

nise

d st

eel

cabl

e tro

ughs

for l

ocal

cab

ling

(i) W

W u

nder

stan

d th

at s

uppl

y of

ca

ble

tray

is fo

r bra

nch

cabl

es i.

e fro

m

inst

rum

ent

to

near

est

Junc

tion

box.

Fu

rther

Tr

ay

estim

atio

n an

d su

pply

sha

ll be

in

BHEL

sc

ope.

(ii) C

able

try

shal

l be

of G

I 2 m

m

thic

k w

ith

65

mic

ron

coat

ing.

Plea

se c

onfir

m.

Spec

ifica

tion

requ

irem

ent

is

clea

r in

this

rega

rd.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n.

23

PE-

TS-4

34-1

63A

-A0

01

Man

dato

ry s

pare

s S

o N

o 7.

(ii

i) &

(iv)

285

of 3

90

Silic

a an

a so

dium

ana

lyze

r W

e sh

all

prov

ide

only

che

mic

al

reag

ent f

or 1

2 m

onth

s.

Spec

ifica

tion

requ

irem

ent

is

clea

r in

this

rega

rd.

Plea

se

follo

w

tech

nica

l sp

ecifi

catio

n. 10 o

f 10

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