Modification of Installed of metering Pump (Chlorine Dosing Pump) as a Double Tank Chlorination arrangement of different pump houses within Basirhat municipality area (Phase-II) under Eastern Mechanical Sub Division-I, PHE Dte. Dist- 24 Pgs(N).

Dismantling the all mechanical connection of existing Chlorine machine for modification work given below as per direction of the EIC. 1. Ward no- 8 2. Ward no- 9 3. Ward no- 11 (Taparchar) 4. Ward no- 11 (Pakratala) 5. Ward no- 6 (Naihati) 6. Ward no-21 (Sonepukur) 7. Ward no-22 (Zirapukur) 8. Ward no- 16 (Community Seba Kendra) 9. Ward no- 15 (House of Mira Mitra) 10. Ward no- 15 (beside falguni cinema)

40x40x6 mm GI Angle, arround 35 Kg for each P/H

25x6 mm GI flat, arround 10 Kg for each P/H

200 ltr capacity PVC loft Tank (Make-Sintex/Patton/other approved vendor of PHED)

100 ltr P.V.C. water storage tank of approved quality with closed top cover.(Make-Sintex/Patton/other approved vendor of PHED)

Supply & delivery at site Supply, delivery and storage of the following pipe fittings, Schedule-80 for each P/H as annexed.

15 mm dia Heliflex pipe, 3 mtr for each P/H

15 mm dia uPVC Pipe, 10 mtr for each P/H

15 mm dia Brass threaded uPVC Ball Valve for 4 nos each P/H

15mm dia check valve (horizontal) G.M. tested to 21 kg per sq. cm for 1 no each P/H

15 mm dia G.I. socket 1 no each P/H

15 mm dia Pipe Clip.13 nos each P/H

15 mm dia upvc socket 6 nos each P/H

15 mm dia upvc plain equal elbow. 14 nos each P/H

15 mm dia upvc nipple for 6 nos each P/H

15 mm dia upvc Brass threaded FTA 3nos each P/H

15 mm dia upvc MTA, 4 nos each P/H

15 mm dia upvc Tee, 2 nos each P/H

15 mm upvc Tank connecting nipple.4 no each P/H

15 mm upvc Union 6 nos. each P/H

25 mm dia uPVC Pipe, 2 mtr for each P/H

25 mm dia uPVC 90 degree elbow. 3 nos each P/H

25 mm dia uPVC Union. 1 no. each P/H

25 mm dia uPVC Tank connecting nipple, 1 no each P/H

25 mm dia uPVC Brass threaded PVC Ball Valve, 1 nos each P/H

25 mm dia uPVC Pipe Clip.5 nos each P/H

Painting with ready mixed red lead paint of approved make and brand : two coat.

Making stair by supplying MS Angle and welding properly by expert technician including transportation of tools and tackle for feeding chlorine into 200 ltrs tank as per direction of EIC.

Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary : On steel or other metal surface :With super gloss (hi-gloss) -Two coats (with any shade except white)

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a) Pakur Variety

Charges for cutting to requisite shape and length, fabrication of structure as supplied item as in sl no. 2.00 & 3.00 with necessary bolting, metal arc welding haulage, hoisting and erection all complete. The rate includes the cost of consumables such as electrodes, gas and hire charge of all tools and plants and rexpert welder required for the work including all incidental charges.

Fitting fixing of the pipe fittings as in item no. 6.01 to 6.20 for accurate dosing of Chlorine solution as corrective maintenance work at different Pump House including transportation of tools and tackle as per direction of EIC.

Supply, delivery and fixing at site 1.5 sq. mm pvc insulated and pvc sheathed, 1.1 KV electrolytic grade, 3 core copper cable Confirming to IS: 694:1990. Make:Havells/Gloster/Polycab/Mescab/phed approved make

Supplying and fixing Sheet steel Main Switches, TP, 16 amp on flat iron frame on wall. Make : Havells

Supply delivery and fitting-fixing of DOL starters suitable for chlorine dosing motor/ pump 3phase, relay Range, amp-(1.5-2.5) Make- L&T/Phed approved.

Add: GST @ 18%

Add: Cess @ 1%