WBPHED /EE/AMD/NIeT-11 of 2024-2025/3

Amount

Dismantling and taken out the old damaged gaseous chlorination spares part by part and after disconnecting all pipe lines & electrical connections of the whole chlorine system as per direction of EIC.

Supply and delivery of following spares at site to repairing Gaseous Chlorination system:-

Preventive Maintenance Kit for Scale controller (0-4Kg/Hour).(Make-Evaqua)

Preventive Maintenance Kit for Vacuum Regulator. (0-4 Kg/Hour). (Make-Evaqua)

Preventive Maintenance Kit for Injector. (0-4 Kg/Hour). (Make-Evaqua)

PVC Flexible Vacuum Tube.(15 mm Dia)

PVC Flexible Vent Tube.(3/8 inch. Dia)

Isolation Valve.(Make-Capco)

Copper flexible coil.(Part No-F-100-2)(Make-Capco)

Liquid Trap.(Part No-C-9510)(Make-Capco)

Chlorine Pressure gauge.(0-16 Kg/Cm²).(Make-Capco)

Auxiliary toner isolation valve with Yoke clamp.(Make-Capco)(Part No-BM1167L)

MS Connector 3/4 inch(F) X 1/2 inch(M).(Make-Capco)

Flush button illuminated push button switch.(Make-ABB, Model No-MP1-11)(1 No Green+1 No Red)

2 HP DOL starter with over load relay range 2.4-3.8 Amp, coil voltage-190-400 VAC, 50 Hz.(Make-BCH, Model No- SHAKTI,SAGZ)(For Booster Pump)

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)

Carbon steel pipes with specials for common header.

Servicing and thorough overhauling of wall mounted vacuum operated gaseous chlorination system part by part and included one number 0-4Kg/hr Ejector and vacuum regulator, scale controller, with Spares like liquid trap, isolation valve etc, and fitting with proper alignment as per direction of EIC.

Connecting the Booster pump & Starter 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 one no Booster Pump)

Fitting fixing of the above newly supplied spares on the existing position part by part with supplied preventive kit & spare materials from SL No-2.01-2.13, in scale controller, vacuum regulator, injector etc, and necessary welding job by expert mechanic, proper travel of E.O.T. Crane, Fitting fixing of DOL starter, complete the job as per direction of EIC and as per IS:10553.

450 mm Sweep exhaust fan 220V-240 V,50 Hz, Single phase.(Make:-Approved Make)

Supplying and Drawing 1.1 KV single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (Brand approved by EIC) of the following sizes in the prelaid polythene pipe and by the prelaid GI fish wire and making necy. connection as required.

3 X 36/0.3(2.5 Sqmm).(For Exhaust Fans)

Supply & Fixing GI sheet (20SWG) metal Cowl with MS flat iron frame & GI wire mesh on wall with necy. bolts & nuts (6 mm dia x 62 mm long).(2 Nos for Chlorine Room)

Add. GST@18%

Add. Cess@1%

B T PROJECTS PRIVATE LIMITED (BID ID -5353485)

M/S. Sajahan Chowdhury (BID ID -5312813)

WEST BENGAL ENGINEERING CO. (BID ID -5310759)