Desalination & Membrane Technology Division

Ref.: BARC/ChEG/DMTD/AKS/F&R- 10 /2021/ I/6966/2021/P-16171 25th November, 2021

To,

List of Firms in Annexure

Sub: Invitation to submit your quotation

On behalf of the President of India, Head, Desalination & Membrane Technology Division, Bhabha

Atomic Research Centre invites quotation in sealed envelope for the work given below as per the

technical specifications enclosed in Annexure-1.

S. No. Description of Job Completion Period

1

Fabrication, pre-despatch inspection, supply, installation

and commissioning of 1000 LPH capacity, BARC

Technology based Arsenic removal community scale Water

Purification plant with Smart Card Dispenser water ATM

& IOT enabled facility for providing safe drinking water to

the local villagers at Gram Panchayat Icchapur II, Gaighata,

North 24 Parganas, West Bengal

4 months from

the date of issue of

work order

The terms and conditions are given below:

1. Qualifying Criteria for Bidders:

The bidder should be a BARC licensee of membrane-based water purification technologies with

past experience of fabrication, installation and operation of community-scale water treatment

plants.

2. The quotation envelope shall be superscripted with “Arsenic water purification plant” and the

Tender Enquiry Ref. No. mentioned above along with Due Date.

3. Printed Letter Head: Quotation should be printed on the letter head; computer generated &

scanned quotation is not valid.

4. Validity of the Offer: Validity of the offer shall be 90 days from date of opening of quotation.

Amit Singha

Email: samit@barc.gov.in

Tel: 022 2559 4737

Due Date: 16/12/2021

Time: 16:00 hrs

Trombay, Mumbai -400085

5. Offer of Firm: Offer of those bidders, who do not submit their quotation as per the details given

in the technical specification with price as in the price quote format, and incomplete quotations in

any respect shall not be considered.

6. GST/PAN Number: Quotation must contain the GST and PAN number of the firm.

7. Guarantee/Warrantee: Bidder shall have to give guarantee/warrantee of the quality and

workmanship of work done for the period of 12 months from the date of completion of the work.

8. If any of the employee, consultant or partner of the bidder’s company is an Ex-BARC employee,

the same must be stated in the quotation clearly.

9. The complete quotation shall reach the following address on or before 16/12/2021, by only Indian

Postal Service.

Head, Desalination & Membrane Technology Division,

Bhabha Atomic Research Centre

Trombay, Mumbai - 400 085

Attention: A. K. Singha (SA/E), DMTD

Tel: 25594737

10. Head Desalination & Membrane Technology Division, BARC reserves the right to accept any

quotation or reject any or all quotations without assigning any reason.

11. The department reserves right to extend the date of opening the quotations.

12. Criteria for Evaluation of Tender: Work order will be awarded to technically suitable lowest

bidder.

13. Free Issue Material: No free issue material is involved in this job

14. Inspection Clause: The work will be subjected to inspection by our engineers during fabrication

at vendor’s work place before final acceptance for supply.

i. Piping & tanks, pre filter, of the plant will be subjected to leak-proof / hydrotesting before

acceptance.

ii. Performance Test certificate and material test certificate of Various pump & instruments

are to be provided during inspection

15. Transportation, Unloading, Erection and Commissioning

The water treatment plant duly inspected and cleared by departmental representative is to be

supplied at Gram Panchayat Icchapur II, Gaighata, North 24 Parganas, West Bengal in safe

condition, followed by erection & commissioning. Packing and forwarding is part of the contract.

16. Place of Delivery: Safe transportation and unloading of material are included in the scope of work.

Place of delivery is Village Gutri, PO: Thakunagar, Gram Panchayat Icchapur II, Gaighata, North

24 Parganas, West Bengal

17. Safety Rule: The contractor shall follow all the safety procedures as per the normal industrial

practice during the execution of the job at site. Any mishap occurring during the work due to unsafe

workmanship shall be the contractor’s liability.

18. Job Completion period (Delivery Schedule): The Plant duly inspected and tested is to supplied

installed & commissioned within 4 months from the date of firm purchase order.

19. The execution of the work is to be carried out to the satisfaction of our Engineers.

20. Payment Terms: Accounts Division, BARC, Mumbai-400085 shall make full and final payment

only after submission of the satisfactory work completion certificate & site clearance certificate

issued by the undersigned, bill, advanced stamped receipt, delivery challan and guarantee

certificate. No advance is admissible.

21. GSTN Invoice: GST shall be paid only in case of registered supplier clearly indicating their GSTN

on the invoice. Invoice raised by registered supplier of taxable goods/services should specifically

indicates, along with other details

a. GSTN

b. PAN

c. Location of supply

d. Tax component to be separately indicated in the invoice

e. An undertaking shall be submitted by the registered supplier that the GST has been

promptly deposited with the authorities (as per the format given in Annexure 2)

22. Income Tax Recovery Clause: GST TDS @ 1.5 % or as applicable will be deducted from the bill

and the entire amount will be deposited in GST account of the supplier.

23. Penalty: Any delay, which is attributable to the contractor, is liable for penalty @ 0.5% per week

(max. 5%) and shall be imposed on contractor.

24. Housekeeping at the work place during the course of the work is the sole responsibility of the

contractor.

25. Mode of payment: Payment will be released through ECS, the party has to fill the ECS/RTG form

and submit with the delivery challan and Bill/Tax Invoice.

26. Confidential Clauses:

i. Confidentiality: No party shall disclose any information to any third party concerning matters

under this contract generally, In particular, any information identified as “Proprietary” in nature

by the disclosing party shall be kept strictly confidential by the receiving party shall not be

disclosed to any third party without the prior written consent of the original disclosing party. This

clause shall apply to the sub-contractors, consultants, advisors, or the employees engaged by a

party with equal force.

ii. “Restricted information” categories under Section 18 of the Atomic Energy Act, 1962 and

“Official secrets” under section 5 of the of the Official Secret Act, 1923: Any contravention of the

above mentioned provisions by any contractor, sub- contractor, consultant, advisor or the

employee of a contractor will invite Penal consequences under the aforesaid legislation.

iii. Prohibition against use of BARC’s name without permission for any publicity purpose: The

contractor or sub-contractor, consultant, advisor or the employees engaged by the contractor shall

not use BARC’s name for any publicity purpose through any media like press, TV or internet,

without the prior written approval of BARC.

27. Security Rules:

a) Police verification certificates are required for supervisors and labourers deployed at the site.

b) Security rules and transport rules at BARC, Trombay premises shall be strictly followed.

c) Labourers below 18 years of age shall be not allowed to work at site.

28. Bid Security Declaration: Bid Security Declaration on bidders letter head is to be submitted along

with the bid. Tenders not accompanied with Bid Security Declaration are liable for rejection. If the

bidder withdraws or modify their bid during the period of validity, the bidder will be suspended

from bidding in any BARC NIT, for a period of 1 year from the date of with-drawl / modification.

Thanking you,

Yours faithfully,

A. K. Singha

SA/E, DMTD

1

Annexure-1

Technical Specifications for 1000 LPH Arsenic Removal Plant with Smart Card Dispenser

Water ATM system & IOT enabled at Village Gutri, Ichaapur II GP, Dist. North 24

Parganas, West Bengal

1.1 Scope of work

Setting up of a community scale, 1000 liters per hour (LPH) Arsenic removal plant, Reagent

dosing units, static mixer, pre filter, media Filters, Ultrafiltration membrane module, Tanks,

pumps, Smart card dispenser water ATM system & IOT enabled at Village Ichaapur, Gram

panchayat to provide safe drinking water to the Village population. It includes supply, pre

dispatch inspection, installation and commissioning of the Arsenic water treatment plant at

site with one year of consumable chemicals.

1.2 Place

Village Gutri, PO: Thakunagar, Gram Panchayat Icchapur II, Gaighata, North 24 Parganas,,

West Bengal

1.3 Feed water Characteristics: Source of water (Bore Well Water)

Sr. No. Parameter Value

1 Inlet Water TDS Less than 500 mg / litre

2 Inlet Water Turbidity Less than 5 NTU

3 Inlet Water Chlorine Nil

4 Arsenic 500 ppb (max)

1.4 Guaranteed Product Water Quality & Quantity:

Output Water Quality: IS: 10500, 2012

TDS: Less than 500 ppm

Arsenic: Less than 10 ppb

Output Water Capacity: 1000 Ltrs. / hour

1.5 Treatment process

The feed water will be provided from bore-well source near the plant in which two reagents

chemicals will be dosed while passing through a static mixer which will then be feed to the

water settling. Feed from the settling tank through a feed pump will deliver the feed water

at a pressure of 2 kg/cm2 to the filtration unit having bag filter, PSF, ACF/ Media filter for

removal of particulate solids from the raw feed water. The filtered water will then be passed

through a ultrafiltration membrane unit. The product water will be taken to the storage tank

for distribution from where people will fill water through water ATM dispenser for their

usage. The UF will be intermittently fast flushed and the reject of the fast-flush will be

taken to the raw water storage tank. The raw water storage tank will be cleaned

intermittently and the drain of the tank will be sent to filtration tank for filtration of arsenic

particulates. All the drains, reject stream will also be collected in filtration tank. Item wise

specification are mentioned under the scope of supply table

2

2 Scope of Supply:

Sl.No Equipment/System Qty

1 Intake water system: 1 Set

1.1 Raw water storage tank 2000 lit, MOC: PVC (Make: Sintex or equivalent) with

valves and level switch and level indicator.

1 no

1.2

Raw feed water pump

Capacity:1200 lit/hr, @ 3kg/cm2, Make: Kirloskar or Equivalent

1 no

1.3 Rotameter (Acrylic/Glass) 1 no

1.4

Piping & Valves:

Piping borewell to Lamella clarifier with valves, MOC of Pipe & valves : UPVC

or CPVC or equivalent, Size : 2inch, Pressure rated up to 150 psi

1 no

2

Reagent 1 (2a) and 2 (2b) dosing system 2 Sets.

2.1 Tank : 50 liters FRP/SS304 with drainage valve with agitator mounting support 2 nos.

2.2 Pump: 0–5 liters per hour (lph) @ 3.5kg/cm2, with flow adjustable 2 nos.

2.3 Agitator:

Maximum stirring capacity: 40litrs

Motor rating:100-150 Watt

2 nos.

3 Arsenic Precipitation system 1 Set.

3.1

Static Mixer

0.5 m length, MOC: SS 304

1 nos

3.2

Lamella clarifier

LC Size: Approximate1 mtr x 1mtr x 1.5 mtr, MOC: MSFRP

1 no

3.3

Flash mixture with agitator

Vol.:500 ltrs, MOC: MSFRP

1 no

4 Clarified water hold up tank

2000 lit, MOC: PVC (Make : Sintex or equivalent) with valves and level switch

and level indicator

1 no

5 Feed Water Pump

Flow:1200 lit/hr, @ 3kg/cm2

Make: Kirloskar or Equivalent

1 no

5 Multi media filter skid

Degree of filtration size: 5-10 micron

Pressure drop: 3-7 PSI,flow:1.5 m3/hr.

1 no

6 UF filtration system:

UF Membrane module, FRP vessel, piping & valving with skid

UF Spiral Wound 4040 membrane element with pressure vessel module-4nos

with piping and valving arrangement. SS Square pipe 40x40 mmx1.6mm Mirror

finish

1 no

7 UV System

Treatment of 1000 litr/hr

1 no

8 Product water storage Tank

Volume:2000 liters tank, MOC:SS 304

1 no

3

9 Backwash Pump

Flow:2000 lit/hr, @ 2kg/cm2

Make: Kirloskar or Equivalent

1 no

10 Auto Dispensing system with smart card

Sim card based drinking water (2-4 outlets) dispensing system

1 no

11 Sludge management system 1 no

11.1

Holdup tank

Tank capacity : 2000litr, MOC:PVC

1 no

11.2 Semi automatic filter press

Filter press capacity:500 liters /hr

1 no

12 Control Panel with IOT system 1 no

13 Pipe/fitting/ Valves with skid system

MOC of Pipe : UPVC or CPVC or equivalent, Size : 1.5 inch for 1.5 m3/hr, 1

inch for 1 m3/hr flow rate

Pressure rated up to 150 psi

1 lot

14 Process Instrumentation 1 lot

15 Civil Base work (6mtr X 6mtr)

As per drawing provided

1 lot

16 Plant Shelter room

As per drawing provided

1 no

17 Operators desk

Wooden table with 3 drawers, 1 no. of office chair, 2 nos. of plastic chair

1 set

18 Electrical work

Ceiling fan, Tube light, Exhaust fan, switch board, MCB for incoming line

1 lot

3 Reference Drawings

1. Title

Drawing No.

:

:

GA Layout of Plant Equipments

DMTD/AKS/ARSENIC/01

2 Title

Drawing No.

:

:

P & I Diagram of WTP plant

DMTD/AKS/ARSENIC/02

3 Title

Drawing No.

:

:

Plant Shelter Room

DMTD/AKS/ARSENIC/03

4 Power Supply

During erection &commissioning at site, power supply will be provided at one point.

Electrical cabling, electrical connection up to individual motor/s, Panels, panel indicators

and instruments will be in contractor’s scope.

5 Feed Water Supply

Feed water to water treatment plant will be sourced form a borewell near the plant (not in

the scope of contractor). However, piping@ max 20 meters 1.5” size, & MOC: PVC/CPVC

from the borewell pump to feed holdup tank through static mixer and associated supports

are in contractor’s scope of the present tender.

4

6 Drawings

Drawings annexed are for tender purpose, prepared with a view to give an idea of extent of

work in contractor’s scope. Detailed fabrication drawing shall be made after placement of

work order.

7 Inspection & Testing

Individual equipment/sub-system like pumps, tanks and instruments will be inspected by

the purchaser’s representative/s at vendor’s works or any other place arranged by the

vendor. Necessary tools, gauges and other inspection kits should be arranged by the vendor

at the time of inspection & testing. Vendor should submit material test certificates of the

pumps, motor/s and instruments, from the respective manufacturer at the time of pre

despatch inspection. Only after the clearances obtained from the purchaser, the water

treatment plant should be transported to site for erection & commissioning. Adequate

advance intimation of not less than 7 days (for Mumbai) and 15 days (for outside Mumbai)

should be given in writing to the purchaser to enable him to arrange for inspection.

Inspection will be done online, Virtual/Offline, in presence, depending upon the situation

decided by BARC.

8 Documents

Maintenance and operation manual for bought out items are to be submitted along with the

supply.

9 Packing

The Equipment are to be drained completely after satisfactory pre dispatch inspection

performance test and all openings should be properly closed or sealed before dispatch to

site.

10 Domain of the System

Starting point Pipe connection from borewell pump discharge (Borwell pump

supply out of scope).

Termination

point

(i) Automatic dispensation of purified water into Jars/cans to smart

card holders from product water tank.

(ii) Collection of arsenic sludge from the plant & storage.

(iii) Termination of drains form the plant to nearest main drain line.

11 Guarantee Period

The individual equipment/sub-system and the whole system should be guaranteed by the

contractor for trouble-free & satisfactory operation for a minimum period 12 months from

the date of handing over of the plant. Any cause of non-performance of any equipment/sub-

system/system during the guarantee period should be identified and rectified including free

replacement of parts, if any; by the vendor to the satisfaction of the purchaser and in case

of unreasonable delay (more than 15 days), delay period will be added to the remaining

period of the guarantee.

5

12 Desired Completion Period

Fabrication, installation, supply and commissioning of the water treatment plant must be

completed within 4 months from the date of firm work Order.

13 Notes

1. All requirements inclusive of manpower with respect to unloading of equipment/materials/

Unit, erection and installation at site will have to be arranged by the contractor.

2. Commissioning of the plant is the sole responsibility of the contractor.

3. Electrical connection of the electrical panel from the electrical source provided at site is the

responsibility of the contractor.

4. Any cost regarding boarding and lodging of contractor personnel’s are to be borne by the

contractor.

5. One year of consumable chemicals/reagents to be provided along with supply.

6. Site expenses related to Bhoomi Pujan & plant inauguration ceremony are to be considered

in the quote.

Detail description of components

1. Intake water system:

Raw water storage tank with level switch

Purpose : To be used for the storage of raw intake water for purification through plant

Capacity : 2000 Liters tank with removable lid.

MOC : PVC/FRP , Make: Sintex

Nozzles : opening on top of for product inlet

opening on side bottom for pump suction with bypass drain valve

opening on top side of the tank for overflow.

spare opening at side top closed with tank fitting and UPVC valves.

Provide the level switch and interlock with feed water pump.

Overflow line should be provided at top of the tank.

Low level and high level switch interlock should be provided with operation of bore well

pump to maintain the level of the raw water storage tank

Raw feed water pump:

Purpose: The pump is required to continuous supply of the raw water to the Lamella

clarifier.

Pump Type : Centrifugal Pump

Duty : Continuous

Quantity : 1 No.

Make : Grundfos, CRI, Lubi,

Rated Capacity (m3/hr) : 1.2 m3/hr

Total Head at Rated Capacity : 20 meters

Suction : From tank (Flooded Suction)

MOC of wetted parts : SS 304

Drive Motor Conn. : Direct coupled

Motor HP : As offered by pump manufacturer

Type of Enclosure : IP – 65

Class of Insulation : F (with temperature rise limited to class B)

Preferred Make : Crompton/ Bharat Bijlee/ equivalent

Piping: Piping work is to be done from existing borewell point to raw water feed tank.

Provision for bypass the excess water should be made. Approximate 25mtrs line.

6

MOC of pipe & valves : UPVC or CPVC or equivalent

Size : 2inch , Pressure rated up to 150 psi

Rotameter:

Purpose: To measure the desired raw flow rate of water

Flow range : 0-40 lpm with 2 lpm graduation

MOC: Acrylic / Glass

Body and Cover :Powder coated MS/SS 304

Float : Corrosive resistant material

Bore well Pump will be installed at outside of the plant and piping is to be done pump

to plant area. Approximate 1500 lit feed water should be supplied to the (Lamella

clarifier) plant through Rotameter and excess water should be returned back to the

bore well by proper by pass piping system. One sampling point should be provide at

the pump out let.

2. Reagent dosing system:

Tank mounted chemical Reagent 1 & 2 dosing system for two different chemical dosing

into the feed water line. A single skid (base frame,Size:1.5mtrx 0.6mtr) is to be made to

fix the both reagent system. Mountings are to be provided with base skid for fixing the

Pumps and agitators.

Dosing Pump : To dose reagent solutions in the line to incoming feed

Type : Plunger type Electromagnetic Metering Pump

Quantity : 2 Nos.

Capacity : 0 – 2 LPH @ 3.5kg/cm2

Material of construction:

Pump head : PVDF

Suction tubing : PTFE/PU

Discharge tubing : PVC braided hose/PU tubing

Dosing Tank : Tank with removable lid

Capacity : 50 liters

MOC : PVC tank with MS Support mounting

Tubing : 10 mtrs PP tubing of 8-10mm dia.

Note: Both frequency and stroke length adjustment should be available for controlling

the pump flow rate to control the reagent dosing parameter.

Reagent tank: 2 Sets

Tank will be required to mix the 40lit reagent in a batch. It should have a lid (10-

12inch)with opening on top for dosing pump suction tube inlet provision should be made

for mounting the dosing pump with the separate MS support structure.

Tank should have a side mounted Level gauge/indicator. Low level Switch with interlock

with dosing pump and feed pump. A ½” outlet at side bottom for drain should be provided.

Tank MOC: PVC/FRP

Capacity:50 lit

Agitator: 2 Sets

Purpose: Continuous mixing of reagent in the tank during plant operation.

Make : REMI or equivalent

Maximum stirring capacity: 40litrs

Motor rating:100-150 Watt

Max.Torque:60 Ncm

Speed range :50-2200 RPM

7

Speed & Torque display: LCD

Motor Overload protection: LED light flash, auto stop

Chuck ID :13mm , Stirring Shaft Dia. x Length (mm) : 14 x600mm

Protection class acc. to DIN/EN 60529 IP 42

Maintenance free Brushless DC motor ensures high torque

Accurate stirring speed control, Stopper for protection of vessel & shaft.

Special base design for topple free operation and it should be mounted with base structure

of agitation system.

Static mixture:

Purpose: It is a static cylindrical pipe with corrugated plates/baffles which provides mixing

of reagent chemicals with feed water by assistance of turbulence. Each one static mixture

will be fixed after one dosing point. It will be fixed as per the reference drawing

3. Flash Mixture and Lamella clarifier

Purpose: To provide residence time for the feed stream to react with reagents& settling of

formed precipitated at the bottom of holdup tank, with clear overflow to the pump suction

chamber.

Supply components:

• Flash mixture tank : Rectangular 500litrs, MOC:FRP with drain valve

• Quantity: 1 no.

• Agitator: Remi make, Slow speed range for proper mixing of chemicals

• Lamella clarifier tanks assembly with required plates (2 sets) MOC: FRP with drain

valve

• Powder coated MS Support structure and platform with ladder etc .

The Tank is having two compartments. Feed stream will overflow from one compartment

to other. First compartment will be flash mixture tank with agitator and second tank is

lamella clarifier.

Flash mixture and Lamella clarifiers should be designed on the Basis of following

parameter

Feed Flow rate: 1200 LPH

Suspended particles in feed :~1000mg/lit

Feed water Turbidity: ~35-40 NTU

Outlet Turbidity: 0-2 NTU

Specification lamella clarifier:

Feed Water Source Under ground water; activated sludge mixed liquor

Max. Suspended Solids 1000 mg/L

Dosing Chemicals for Arsenic (500 ppb) and Iron (5 ppm) precipitation

Suspended Solids Reduction Up to 90% (with coagulation/flocculation)

Lamella Plate Angle: 60 degrees

Lamella Plate Thickness: 6mm

Lamella Plate Spacing: 8-10 cm

LC size: Approximate- ~1mtr. x 1mtr. x1.3mtr.Volume:1200 lit (approximate)

Mounting: To be mounted on the skid with bottom drain from each compartment

Operating flow to the system : 1.2 m3/hr.

MOC : SS 316

Quantity : 2 nos.

Length : 0.5 m

8

Tank and mounting MOC : FRP tanks and plate for lamella with MS powder coated

support structure and MS ladder and platform for Operation and maintenance work.

Note: Vender may quote the standard models close to the specification meeting with

minimum requirements of settling the suspended particles from raw water as mentioned

above.

4. Clarified water hold up tank

Purpose : To be used for the storage of treated feedwater for purification through UF

membrane element/s

Quantity: 1 no.

Capacity : 2000 Liters tank with removable lid.

MOC : PVC/FRP , Make: Sintex

Nozzles : opening on top of for product inlet

opening on side bottom for pump suction

opening on top side of the tank for overflow.

opening on bottom/side for drain

spare opening at side top closed with bush

Provide the low level switch and interlock with feed water pump operation.

5. Feed Pump

Purpose: To pump feed water from feed tank to Prefilter, Media filters, UF element’s

Pump Type : Centrifugal Pump

Duty : Continuous

Quantity : 1 no.

Make : Grundfos, CRI, Lubi,

Rated Capacity (m3/hr) : 1.2 m3/hr

Total Head at Rated Capacity : 30 meters

Suction : From tank (Flooded Suction)

MOC of wetted parts : SS 304

Drive Motor Conn. : Direct coupled

Motor HP : As offered by pump manufacturer

Type of Enclosure : IP – 65

Class of Insulation : F (with temperature rise limited to class B)

Preferred Make : Crompton/ Bharat Bijlee/ equivalent

6. Multi media filter system:

Multi-media filter is a pressure filter vessel with three or more different media above

the gravel bed. The three media are ordered in decreasing porosity.

Purpose: For removal of coarse particles for the feed stream.

Quantity :2 nos.

Inlet flow :1.2 m3/hr

Temperature :Ambient

Pressure Available at the inlet :2 kg/cm2 (max.)

Remove the particle less than 10 micron

Pressure drop in clean media is 3-7 psi

Filter Media: large gravel, Fine gravel, Fine sand (0.4-0.6mm) and Anthracite coal

grains 90.5 -1.2mm)

MOC of housing : FRP with Powder coated MS support structure

Back washing arrangement for each of media column.

This filter assembly will be consisted with two media filtration column ,one in

operation and one will be stand by for backwashing.

9

7. UF Membrane module

Purpose: For removal of arsenic particulates & microbial contaminants for the feed water.

Type: Spiral wound ultrafiltration 4040 Membrane with FRP Pressure vessel.

Membrane area for single 4040 module module :7.2 m2

Max Feed Flow rate :1.5 m3/hr

Min conc Flow rate :1 m3/hr

Max Operating pressure :7.0 bar

Max Operating Temperature :450C

Nominal MWCO :30,000 (30 KD)

Membrane Type :Spiral wound

Membrane Polymer :Polyether Sulphone

Membrane wrapping :FRP Wrapped

Maximum Pressure

drop/element

:1 Bar

Quantity :4 Nos.

8. UV system

Purpose: For treatment of purified water for microbial contaminants before supply

MOC: SS 304

Quantity: 1 no.

Temp: Ambient

Light Source: UV 254 nm

Capacity: suitable for 1200 LPH permeate flow

9. Product water storage tank

Purpose : To be used for the storage of product water for distribution & fast flush/backwash

of UF membrane element/s

Quantity: 1no.

Capacity: 2000 Liters tank with removable lid.

MOC : SS 304/FRP ,

Nozzles: opening on top of for product inlet

opening on side bottom for pump suction

opening on top side of the tank for overflow.

opening on bottom/side for drain

spare opening at side top closed with bush

10. Fast flush/Backwash Pump

Purpose: For intermittent cleaning/backwashing of Media filter, membrane elements

during operation

Pump Type : Centrifugal Pump

Duty : Intermittent

Quantity : 1 no.

Make : Grundfos, CRI. Lubi

Rated Capacity (m3/hr) : 2 m3/hr

Total Head at Rated Capacity : 20 meters

Suction : From product water tank (Flooded Suction)

Liquid Handled; TDS (ppm) : UF product water

Pump Wetted parts (MOC) : SS 304

10

Drive Motor Conn. : Direct coupled

Motor HP : as offered by pump manufacturer

Type of Enclosure : IP – 65

Class of Insulation : F (with temperature rise limited to class B)

Preferred Make : Crompton/ Bharat Bijlee/equivalent

11. Auto Dispensing System with smart card and tap bank

Nozzle with flow sensors & solenoid valve

SIM card sensor facility with 2 hrs. Battery backup

Tap bank containing 4 nos. of tap.

Smart Cards: 400 nos. synchronized with Auto Dispensing System

12. Sludge management system

Purpose: Sludge dewatering after chemical precipitation of contaminated water. A

batch operation, fixed volume machine that separates liquids and solids using pressure

filtration. A slurry is pumped into the filter press and dewatered under pressure to

separate the solid particles.

Sludge water hold up tank:

Sludge water storage tank capacity: 2000 lit

Mounting: To be mounted on the skid with opening at side bottom & bottom of tank for

drain

MOC: PVC/FRP

Filter press:

Technical features of filter press:

Type: Semi Automatic filter press

Type of Element: Polypropelene recess

Capacity :500 litrs/hr

Solid content in the slurry: Maximum 10%

Bulk density of wet solid:1.1gm/cc

pH of slurry:8.5

Plate size:610mm x 610mm (to be confirmed by vendor)

Number of plate : 10 nos (to be confirmed by vendor)

Closing device: Hydraulic closing device with mechanical lock nut system

Type of delivery: Open delivery

Type of feed: Center feed

MOC of components:

Plate: Polypropylene

Body & structure: MS material IS 2062

Filter cloth: Polypropylene Butterfly type cloth 540GSM

Note: Vender may quote the standard models close to the specification meeting with

minimum requirements of slurry capacity and cake holding capacity.

Piping and valves:

Lines (1.5 inch) are to be drawn from lamella clarifier, the feed holdup tank & Reject

line of UF system, Line of back wash water of MMF & UF are to be connected with

sludge water holding tank.

13. Electrical Panel with IOT system

Panel for on/off Switches, lamp indicators &housing MCB, terminals, wiring, Relay cards,

Power supply etc. The control panel should be Aluminum/MS fabricated & powder coated.

IOT panel for display of plant parameters in single panel.

11

14. Pipe Fittings and Valves:

Pipes, pipe fittings & valves covered here are meant for piping of the plant as per Drg.No.

DMTD/AKS/Ar/02. The material of the pipes, pipe fittings and ball valves (socket type)

should be UPVC Schedule 80(DIN 8063/DIN 8062/EN ISO 15493/ASTM-D 1785) or

CPVC Schedule 80(ASTM D 1785/2466), suitable for solvent cement connections. The

scope includes pipe line and fittings and valves for the full domain of the system already

mentioned. All the line should be fabricated as per the Process lay out diagram .

Sample Points:

Sampling point should be provided following position to check/analysis the water quality

• After Lamella clarifier/hold up tank

• After multi media filter

• After UF unit or at Product tank

• After sludge treatment

Over flow and Drain Points:

Over flow & Drain point should be provided following system ,Flash mixture tank, lamella

clarifier, Hold up tank, Product tank, Sludge filtration System.

All the drain lines , over flow lines and by pass of reject & product of UF should be

connected with single header and which will be drained outside the plant area.

Specifications

Pipes:

Size Range : 50NB & 32 NB

MOC :UPVC, Sch 80

Make :PRINCE/ ASTRAL/Eqvt

Ball Valve

Size Range :50 NB & 32 NB

Pressure rating : 10 Bar (150 psi) at 20°C (68°F)

Ball seats in PTFE

Body UPVC

15. Skid

The Skid is to be made from Structural material with base material & support material of

SS Square pipe size 40x40x1.6 mm.MOC:SS304

Skid -1:For accommodating of Flash mixture & Lamella clarifier

Skid-2: For accommodating raw water pump

Skid-3: For accommodating Reagent 1 and 2 dosing system

Skid-4: For accommodating Feed pump, MMF,UF system & backwash pump

Skid-5: For accommodating Sludge management system

16. Process Instrumentation

Sr. No Name Quantity

1 Flow Indicator 3 nos.

2 Pressure Indicator 10 nos.

3 Low pressure switch 2 nos.

4 Level Switch 4 nos.

12

5 Hand Held instrument 2 nos.

6 Analytical balance 1 no.

7 Arsenic spot test kit 2 nos.

8 Arsenic spot test kit 2 nos.

16.1 Flow Indicator

Type : Rotameter

Medium : Ground water

Flow range : 0-2000 liters per hour & 0 – 1000 liters per hour

Tube material :Acrylic Body

Float material :Stainless steel

U-PVC unions for socket welding/gluing connections

Quantity : 4 nos. for raw Water, Filtrate (UF Product) & Reject

16.2 Pressure Indicator

Type : Dial Gauge

Fluid : Bore well water

Dial size : 63 mm.

Scale : Aluminum

Casing : SS 304 weather proof casing.

Range : 0 -5kg /cm2

Mounting : Direct

Type of measuring element: SS Bourdon tube

Process temperature : Ambient

Nature of pressure : Steady

Equipment vibration : Nil

Preferred make : Baumer/WIKA/Aira

Quantity : 10 nos.

Location :After raw water pump, Before MMF, Before UF, After UF,

After back washable pump-2 nos, After sludge pump etc

16.3 Low pressure Switch

Range setting : Adjustable: Min - 0.2 kg/Cm2; Max- 3kg/Cm2

Fluid : Borewell water

Temperature : AmbientC

Sensing element : Bellow

Material of element : SS

Contact Rating : 3 Amps, 250 V AC

Quantity : 2 Nos. (Raw water Pump and UF feed water pump)

Preferred make : Baumer (Waaree), Switzer

16.4 Level Switch

MOC : PP/SS

Switch Capacity : 10VA

Max. Switch Voltage : 230 VAC/DC

Max Switching current : 0.5 A

Differential : 3 - 5 mm

Switch Action : Reversible

Max Test pressure : 1 kg.cm2

Preferred make : Pune Techtrol/Equivalent

13

Quantity : 4 nos. (Reagent tanks, Holdup tank, Product water

Tank)

16.5 Control panel:

One control panel is to be provided to accommodate the all ON/OFF switches

electrical components, Indicators of sensor and power etc.

Enclosure detail:

Enclosure and door: Dipcoat primed/Powder coated on outside. Color: Light

gray, using sheet metal of 1.5mm and door will be all round PU seal.

Protection category: IP65

Control should be included following components

• One MCB for ON/OFF control of panel

• Individual ON/OFF switches of each pump with indicator & MCB protection

Raw water feed pump, Reagent dosing pumps-2 nos, UF feed pump,

Backwash pump, Sludge transfer pump

• ON/OFF switches for Auto Dispensing System

• Display of Sensors & Indicators

• Emergency ON/OFF

Interlocks:

• Raw water feed pump with low level switch of raw water storage tank (Sr.

No.:1a)

• UF feed pump with low level switch of Intermediate tank (Sr. No.:4)

• Back wash pump with low level switch of Product tank (Sr. No.:9)

• Auto Dispensing System with low level switch of Product tank (Sr. No.:9)

• Filter press with low level switch of Product tank (Sr. No.:9)

16.6 Hand Held Instruments; 1 no. each

Digital pH Meter Range: 1 – 14pH

Digital TDS meter range: 0 to 2000 ppm

16.7 Analytical Balance (1 no.)

Range: 0-2 Kg

Resolution 0.01 Gm

Precision: +/- 0.01 gm

16.8 Arsenic and Iron Spot test Kit

Reagent chemicals & 100 strips for testing

Make: Merck

Quantity: 2 sets each (Iron and Arsenic)

17. Civil base platform/ foundation with brick boundary wall: As per Architectural

drawing attached

The Plant base (typical) is to be raised 2 Ft above the surrounding level with required

ground clearing/improvement, PCC (4-5 inch thick, 1:2:4) followed by RCC floor of

required loading suiting to plant equipment weights, Area of floor will be (6mtr x4mtr.) All

around periphery brick wall boundary of 6 ft high (2’-6” in Rough cast plaster & 3’-6” in

plain surface for slogan and drawing) above the base platform is to be provided with MS

duly painted plant entry gate (7 ft x 7 ft, in two door forms for double door entry) and

steps/ramp to the plant base platform. Both sides of the boundary walls are to be painted

suitably with water related slogans, design/art work/ plant title tag and BARC logo, MS

access gate-1 no.

14

18. Plant Shelter house (Brick work & site civil work) As per attached architectural

drawing

The plant should be housed inside a Shelter Room as required having necessary lighting

facility, 2 nos. of windows with exhaust fan, ventilation area with entry door of appropriate

size and net flooring with waterproofing admixture. Roof of the structure should be of GI

corrugated sheet having a Pyramid structure roof.

Panting of walls should be with acrylic smooth exterior paint of required shade of approved

brand Asian paints/ Nerolac (Apex ultima weather proof or equivalent) with two or more

coats applied over and including base coat water proofing of cement paint applied complete.

Wall painting with plastic emulsion paint (two or more coats, Royale Luxury Emulsion or

equivalent) of required colour of approved brand Asian paint, Nerolac to give an even

shade.

The shelter room should have BARC logo and various water slogans written on it as per

BARC requirements. The external walls of building should be having with artistic

drawings to increase the aesthetic of the building. Total drawing surface area 2 sq. mt. for

Shelter room (inside wall) & 5 Sq. mt. on outside wall.

19. Operators Desk

Table: Godrej T9 table with 6 mm glass top.

Chair: 2 nos., Make: Neelkamal or equivalent

20. Electrical work

Electrical power supply is to be provide in the plant room. Following things should be

provide for plant area.

Sr. No. Description Quantity

1 Switch for incoming power supply is to be provided IP65 Junction

box with socket 2 core MCB module Make: Havells/Siemens 40

amps or as required single pole/three pole.

1 no

2 LED tube light/Industrial ceiling light 20 watt , Make: Crompton 6 nos

3 Wall/Ceiling mounted 450mm sweep fan, Make: Crompton 2 nos

4 Exhaust fan (12 inch), Make: Crompton 1 no

5 Switch board included 5/15 amps switch & socket -4nos 2 nos

Note: Total cabling/wiring work to fixing of the electrical components of plant with

Control panel, Light, Fans and Switch board will be in the scope of work. All the PVC

insulated wire/cable should be lay by using proper casing capping.

Note:

Raw water feed tank, Flash mixture & lamella clarifier, Clarified water tank, Sludge

water tank will be placed outside (back side) of the enclosed room.

Other skids, tank and Control panel will be placed at inside the enclosed room.

Detailed GA layout attached for reference.

21. Inspection

All works covered & systems specified in this document shall be subjected to quality surveillance

by BARC as per the stipulated codes and the bidder. Inspection and tests shall be carried out as per

following.

A. Factory Acceptance Tests (Integrated Skid)

Pumps

15

1) Material test certificate for major part are to be provided for review at the time of

inspection

2) The pump will be witnessed for performance tests at duty point &Mechanical

performance with respect to vibration, noise level, and temperature.

Tanks

1) Dimensional check-up and nozzle orientation

2) Water fill test.

Pipes & fittings

1. Review of Material test certificate for pipes & fittings

2. Hydro test for pipes & fittings shall be carried out in assembled condition.

Instruments

1. Material test certificate for the MOC, Calibration test certificate.

2. Guarantee/ warranty certificate pertaining to the equipment.

Overall Skid

Leak testing in operation & stability testing.

22. Site Acceptance Tests

Installation should follow standard safe engineering practices.

Performance demonstration of plant (leak tight system, Water quality (Arsenic) in purified

drinking water, functional test for all instruments, water dispensation through ATM, IOT

system performance. After successfully installation of the units feed & Product (two sets

of samples) should be tested in any NABL accredited laboratory and test report should be

submitted to BARC.

TITLE GENERAL LAYOUT OF PLANTS EQUIPMENTS

GOVT. OF INDIA

DEPT. OF ATOMIC ENERGY

BHABHA ATOMIC RESEARCH CENTRE

DESALINATION AND MEMBRANE TECHNOLOGY DIVISION

FILE NO. :

TITLE GENERAL LAYOUT OF PLANTS EQUIPMENTS

PROJECT 1000 LPH CAPACITY WATER TREATMENT PLANT

GOVT. OF INDIA

DEPT. OF ATOMIC ENERGY

BHABHA ATOMIC RESEARCH CENTRE

DESALINATION AND MEMBRANE TECHNOLOGY DIVISION

AT VILLAGE GUTRI, ICHAAPUR-II-GP, 24TH PARGANA, WB

DRG. NO. : DMTD / AKS/ ARSENIC / 01

FILE NO. :

TITLE P & I DIAGRAM OF WATER PURIFICATION PLANTS

PROJECT 1000 LPH CAPACITY WATER TREATMENT PLANT

GOVT. OF INDIA

DEPT. OF ATOMIC ENERGY

BHABHA ATOMIC RESEARCH CENTRE

DESALINATION AND MEMBRANE TECHNOLOGY DIVISION

AT VILLAGE GUTRI, ICHAAPUR-II-GP, 24TH PARGANA, WB

DRG. NO. : DMTD / AKS/ 1000 LPH WPP / 02

FILE NO. :

9'-6"

4'-6"

3'

1'-6"

1'-6"

3"

3"

3"

2' wide clay jali as

per site availability

Side Elevation - A

Corrugated G.I sheet

13'-8"

2mm thk corrugated

Polycarbonate sheet

for skylight

6 mtr

11'-8"

9'-6"

6 mtr

1'-6"

4" high 1" thk band

in cement plaster

around door

Corrugated G.I sheet

2mm thk corrugated

Polycarbonate sheet

for skylight

Shutter Door

9' x 7'

Plinth beam

150mm

Front Elevation - A

2"

RO Water Treatment Plant

sponsored

Bhabha Atomic Research Centre

G:\ghosh\North gate\BARC_logo.png

4'

4'

3" 3"

Tapbank

Plinth beam

150mm

2'

8-10mm cement plaster

around window

TITLE PLANT SHELTER ROOM

PROJECT 1000 LPH CAPACITY WATER TREATMENT PLANT

GOVT. OF INDIA

DEPT. OF ATOMIC ENERGY

BHABHA ATOMIC RESEARCH CENTRE

DESALINATION AND MEMBRANE TECHNOLOGY DIVISION

AT VILLAGE GUTRI, ICHAAPUR-II-GP, 24TH PARGANA, WB

FILE NO. :

DRG. NO. : DMTD / AKS/ ARSENIC / 03