WBPHED /EE/AMD/NIeT-09 of 2024-2025/2

Amount

Supply and delivery of following spares at site to make Gaseous Chlorination unit:-

Wall mounted vacuum operated gas chlorinator (Capacity-0-1Kg/Hr.) (Make- Approved Make)

Horizontal multi-stage, end suction centrifugal pump (Booster) having Head=45 mtr, Q=2.3 m³/hr, impeller- S.S, Shaft- AISI and duly fitted with mechanical seal, Coupled with 0.75 KW/1.0 HP, 3 phase,50 Hz motor suitable to handle water. (Make- Approved Make)

Ejector complete set.(Make- Approved Make)

Liquid trap with pressure gauge.(Make- Approved Make)

Isolation valve with Yoke clamp assembly as per IS:3224 latest revision.(Make- Approved Make)

Flexible Coil Connecting tube with union , connector, etc at both end. (Make- Approved Make)

Pressure Indicator with isolation PVC ball valve for water line(0-10 Kgf/Cm²)(Make-Approved make)

3/8” Tubing Connector.(Pat No-F-100) (Make- Approved Make)

Header line isolation valve.(Make- Approved Make)

1'' PVC Double Union type Ball Valve.(Make- Approved Make)

½'' PVC Double Union type Ball Valve.(Make- Approved Make)

1'' PVC N.R.V. (Make- Approved Make)

1'' PVC Y-Strainer.(Make- Approved Make)

1" x ¾" PVC Female Adaptor Brass Threaded - FABT (SCH 80) (Make- Approved Make)

1'' PVC Male Adaptor Plastic Threaded – MAPT (SCH 80). (Make- Approved Make)

½'' PVC Female Adaptor Brass Threaded - FABT (SCH 80).(Make- Approved Make)

MS Connector 3/4 inch(F) X 1/2 inch(M). (Make- Approved Make)(For Gas line Common Header)

2 inch Schedule-80 ball valve.(Make- Approved Make)

2 HP DOL starter, relay range 1.5 - 2.5 Amp,with coil voltage 440 V,3 Ph, 50 Hz.(Make- Approved Make)

3 CoreX 2.5 Sqmm industrial flexible copper cable wire/dia-30/0.25 PVC insulated with PVC sheathed.(Make- Approved Make)

4 Core X 10 Sqmm, 1.1 KV Grade XLPE insulated Al.Ar Cable.( From LT MCC Panel feeder to MCB)(Make- Approved Make)

20 amp, TP Mcb, 415 Volts, 50 Hz. (Make- Approved Make)

100 empty chlorine baby cylinder.(Make- Approved Make)

3/8 '' X 1/2'' PVC adopter.(Make- Approved Make)

Installation of all items mentioned in Item No.-1.01-1.24, including construction of Pump foundations, laying of cables from Existing PDB cum MCC Panel at Pump House to Chlorinator starter Panel of Chlorine room in underground trench with brick protection including filling the space between brick & Cable & also the trench with shifted soil and some places with cable tray including supplying necessary jointing materials, necessary earthing arrangement of motors, starters, including supply of all erection items as required, including cost of welding etc. as required for complete installation as per Hydraulic standard & IE rules in compliance with specification of NIT and upto entire satisfaction of EIC.

Testing & Commissioning of the entire installation as per direction and to the entire satisfaction of E.I.C

Supplying, fitting and fixing PVC pipes of approved make of Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). with all necessary accessories,specials viz. socket, bend, tee, union, cross, elbow, nipple,longscrew,reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, making threads,fitting, fixing etc.complete in all respect including cost of all necessary fittings as required,jointing materials and two coats of painting with approved paint in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials. Payment for painting will be made seperately)(To making whole chlorine dosing network)

15 mm dia (For Exposed Work).

25 mm dia (For Exposed Work).

50 mm dia (For Exposed Work).

50 mm dia G.I. Pipe as per IS:1239 PART-1 (2004), Class-B(Medium Duty)

Excavating of earth with debris from existing road towards churulia, then Laying of 50 mm dia G.I. pipe after cutting concrete/earth and removing dedris near lighting kiosk towards Ajoy river, then placed it in proper position, in between ends of road, then filling gap by excavated debris of road, So chlorine dosing pipe run through this protection pipe so no chance of damaged all work should be done as per direction of EIC.

Making barricading for protecting the trench to avoid any accident including making arrangement of road light during the night.

Connecting the Booster pump body to Earthing spike including S & F GI (Hot Dip) wire of size 12 SWG, booster pump as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages.

Earthing with GI earth spike(1822mmX20 mm) and grouted the same under the ground level as per direction.(For two nos Booster Pump)

Construction of 100-150 mm dia valve chamber for Chlorine Dosing village road where light traffic run and for main road where heavy traffic run as deptt.approved drawing with 25cm thick brick work (1:6) over cement concrete (4:2:1) over a single B/F soling over150mm.thick sand filling in foundation including earth work in excavation and disposal of excess earth from work site with RCC (1:1.5:3) cover slab 100mm / 150mm thick slab on top of chamber with 1% reinforcement in RCC cover slab with necessary opening for operation of valve all complete including cost of labour & materials as per Departmental Dwg. [Reinforcement type:- Other manufactuerers not specified]

Making inter connection of the newly laid pipe line (1 inch.) with existing pipe line (4/6") including supply of M.S. Clamp, rubber gasket, nuts & bolts and other necessary materials as per direction.

Add. GST@18%

Add. Cess@1%

B T PROJECTS PRIVATE LIMITED

WEST BENGAL ENGINEERING CO.

M/S. Sajahan Chowdhury