PROVN OF PRESSURE FILTER AND CONNECTED WORKS FOR PUMP HOUSE NO 1 AT SITE P AT AFS THANE UNDER GE (AF) THANE

Amount

Supply, fixing testing and commissioning of vertical , single deck and multigarde pressure filter for flow rate 62 M3/hr or 15000 GPH made out of mild steel of grade IS-2062 having following specification;- a).Shell dimension not less than 3000 mm x 1500 mm (dia), having thickness of body, Dish end & bed plate dimension 10mm x 12mm x 12mm respectively. b).Filter media (sand & gravels) of quantity not less than 266 cft. c).Coagulation dosing system comprises of CI alum pot & soda pot of 34 ltrs with complete fittings. d).Pressure gauge-02 Nos (For raw water and filter water) e). (e) Self-priming high pressure single head gear motor adjustable ,continuous rotor type DOSING PUMP operating on chlorine pressure feed at 100 PSI, manually adjustment Flow control with external dial ring with accessories including lead tubing, connecting nuts, injection check valves, foot valve ,antisiphon valve clay weight and ferrules etc, electronically controlled 230V 50Hz motor. Dosing pump coupled with Solution preparation cum settling tank of cap 100 ltrs made out of fibre glass reinforced polymer foot mounted type with accessories including lid, port hole, inlet / outlet / drain connection, level gauge, sludge collection facility etc and fitted with 0.25 HP ,1440 RPM single phase speed reducing motor & agitator (made out of SS- 316 with FRP coating on shaft as extra protection).Dozing pump must be compatible for granular type calcium hypochloride solution. . Note:- After filteration water should have turbid content within the limit for portable use as per IS 10500.

Supply and laying ERW pipe medium grade of size 80mm including fitting complete all as specified and directed by Engineer-in-charge.

PCC in coping of 1:2:4 set in cement mortar type B0, Gde M-15 Vol by mix 12.5 mm complete all as specified and directed by Engineer-in-Charge.

Supply and installed sluice valves flanged of class 1.0 PN complete of size 80 mm (3") dia ( 2 Nos for inlet/out let of filter plant) complete all as specified and directed by Engineer-in-Charge.

Supply and fix valve butterfly conforming to IS 13095 of size 80 mm( 3") dia complete all as specified and directed by Engineer-in-Charge.

M&L valve chamber of size 1100 X 1100 X 900 MM including necessary earth work in any type of soil, PCC 1:3:6 in bed concrete, brick work in CM 1:6 with 10 mm thick plaster internally & 15 mm thick externally in CM 1:4 , 3mm thick MS cover with hinges and locking arrangement fixed to angle iron frame made out of 50mmX50mmX6mm MS angle complete with two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer on all metal works and applying two coats of white wash on all plastered surfaces complete all as directed by Engineer-in-Charge.

Supply,Fabrication and fixing angle iron frame of equal angle iron/MS rod/MS Sheets/Bends/Tee /Collars/Blank Flange etc of existing size and specification cut to size and welding of tank,valve pit covers of any size and specification complete all as specified and directed by Engineer-in-charge.

M&L for open culvert of size 35 X .40 X .04M including necessary earth work in any type of soil, PCC 1:3:6 in bed concrete, brick work in CM 1:6 with 10 mm thick plaster internally & 15 mm thick externally in CM 1:4 complete all as specified and directed by Engineer-in-charge.

Making connection by cutting existing CI/DI main 100/150 mm dia underground pipe including inserting tee and collar including necessary earthy work jointing and jointing materials complete all as specified and directed by Engineer-in-charge.

Excavation in trenches n. exc1.5 mtr wide and n.exc. 1.50 mtr depth for laying of pipe or other works and getting out in soft /loose soil complete all as specified and directed by Engineer-in-charge.

Returning filling in excavated soil including spreading leveling and well ramming in layers n. exc 25 cm each any type of soil complete all as specified and directed by Engineer-in-charge.

Removing the excavated materials not exc 50 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and directed by Engineer-in-charge.

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