REPAIR/ MAINT OF GI/ CI/ DI/PPR/HDPE PIPE LINES ALONGWITH CONNECTED ITEMS INSIDE FORT WILLIAM UNDER GE (FW) KOLKATA

Amount

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for foundation or for shafts, wells cesspits, manholes etc., not exceeding 10 sqm on plan and getting out in soft/loose soils, complete all as specified and directed.

Returning filling in including spreading, levelling, watering and well ramming in layers not exceeding 25 cm complete all as specified and directed.

Removing excavated material not exceeding 50 metre and deposited where directed at a level not exceeding 1.5 metre above the starting point in soil complete all as specified and directed.

Taking up / down 100 mm bore, water tubing and connection from trenches/ walls / floors (of any location) for replacement / re-use in old / new location as directed by the Engr-in-Charge. (Note: Necessary earthwork, if any , will be measured and paid separately under relevant items).

All as per Item No. 04 above but of size 80 mm bore

All as per Item No. 04 above but of size 50 mm bore

All as per Item No. 04 above but of size 40 mm bore

All as per Item No. 04 above but of size 25 mm bore

All as per Item No. 04 above but of size 20 mm bore

All as per Item No. 04 above but of size 15 mm bore

S&F, in repair 15 mm bore steel water tubing, medium grade, ISI marked, galvanized, including all fittings such as bends, tees, elbows, reducers, unions, plugs, sockets etc., laid in trenches or fixed to walls and ceilings or concealed in walls, ducts/ceilings or laid in floors complete all as specified and directed.

All as per item No 11 above but 20mm bore of pipe.

All as per item No 11 above but 25mm bore of pipe.

All as per item No 11 above but 40mm bore of pipe.

All as per item No 11 above but 50mm bore of pipe.

All as per item No 11 above but 80mm bore of pipe.

All as per item No 11 above but 100mm bore of pipe.

Supply, fixing in repair and testing of 20 mm outer dia, 3- layer PP-R Polypropylene random copolymer) pipes SDR 7.4/PN 16 UV stablised and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random including all fittings such as bends, tees, elbows, reducers, unions, plugs, sockets etc laid in trenches/floors or fixed on walls/roof complete all as specified and directed by Engr-in-Charge.

All as per Item No. 18 above but of size 25 mm outer dia

All as per Item No. 18 above but of size 32 mm outer dia

All as per Item No. 18 above but of size 50 mm outer dia

All as per Item No. 18 above but of size 63 mm outer dia

All as per Item No. 18 above but of size 90 mm outer dia

All as per Item No. 18 above but of size 110 mm outer dia

Supply and fixing PPR Gate valve with brass insert and brass working parts suitable for 20 mm OD PPR pipe complete all as specified and directed.

All as per Item No. 25 but for 25 mm OD pipe

All as per Item No. 25 but for 32 mm OD pipe

All as per Item No. 25 but for 50 mm OD pipe

All as per Item No. 25 but for 63 mm OD pipe

All as per Item No. 25 but for 90 mm OD pipe

Relaying/Refixing 100 mm bore GI tubing and connections in new or old position after thoroughly cleaning, with new fittings, laid in trenches complete all as specified and as directed by Engr-in-Charge. (Note : GI tubing obtained from item No 4 to 10 to be re-used. Necessary earth-work to be measured and paid separately under relevant items).

All as per Item No. 31 above but of size 80 mm bore

All as per Item No. 31 above but of size 50 mm bore

All as per Item No. 31 above but of size 40 mm bore

All as per Item No. 31 above but of size 25 mm bore

All as per Item No. 31 above but of size 20 mm bore

All as per Item No. 31 above but of size 15 mm bore

Relaying/Refixing 100 mm bore GI tubing and connections in new or old position after thoroughly cleaning, with new fittings, fixed to walls and ceilings or laid in floors complete all as specified and directed by Engr-in-Charge. (Note : GI tubing obtained from item No 04 to 10 to be re-used.)

All as per Item No. 38 above but of size 80 mm bore

All as per Item No.38 above but of size 50 mm bore

All as per Item No. 38 above but of size 40 mm bore

All as per Item No. 38 above but of size 25 mm bore

All as per Item No. 38 above but of size 20 mm bore

All as per Item No. 38 above but of size 15 mm bore

Taking up /down CI/DI water mains and connections/fittings of any type from trenches /walls/floors/(or any other location) for replacement /reuse in old/new location/diversion by burning out /removing of lead joints/tyton joints/rubber gasket joint complete all as directed by the Engineer-in-Charge.

All as per Item No. 45 above but bore size 80 mm

All as per Item No. 45 above but bore size 100 mm

All as per Item No. 45 above but bore size 150 mm

All as per Item No. 45 above but bore size 200 mm

Relaying of the following size CI/DI water mains after thoroughly cleaning, with new fittings fixed to wall/ceiling/floor or laid in trenches as directed by Engr-in-Charge for the following size of pipes:- (NOTE: CI/DI water mains obtained from item No 32 to 36 be re-used. Lead joint/tyton rubber gasket joint/new specials will be measured and paid separately under relevant item of this schedule).

All as per Item No. 45 above but bore size 80 mm

All as per Item No. 45 above but bore size 100 mm

All as per Item No. 45 above but bore size 150 mm

All as per Item No. 45 above but bore size 200 mm

Supply, fixing in repair, jointing and testing 80mm bore Ductile Iron pipes with spigot and socketed ends, centrifugally cast, class K-7, conforming to IS-8329 in any length with blue epoxy coating laid in trenches complete including jointing by using elastomeric gasket all as specified and directed.

All as per item No 47 above but 100mm bore of pipe.

All as per item No 47 above but 150mm bore of pipe.

All as per item No 47 above but 200mm bore of pipe.

M&L, DI fittings for pipes upto 200mm bore such as bends (any type, radius and angle, coupling collar,) tapers any type, (straight, bend, increasing, decreasing or double socket etc.) Tee pieces single branch. 'Y' junction, double socket flange branch, cross ,open flange(all sockets or socket and spigot) collars, caps and plugs complete all as specified and as directed.

M&L, Cast iron fittings, Bends (any type, radius and angle) tapers any type,(straight, bend, increasing, decreasing or double socket ,collar, etc.)Tee pieces single branch. "Y-junction, double branch, cross(all sockets or socket and spigot)collars, caps and plugs complete all as specified and as directed.

Material and labour for run lead joint for 80 mm bore cast iron water mains including earth work as required and supply necessary lead as per sire requirement for repair of joint, complete all as specified and as directed by the Engineer-in-Charge.( Note:- old retrieved lead re used for joint).

Material and labour for run lead joint for 100 mm bore cast iron water mains including earth work as required and supply necessary lead as per sire requirement for repair of joint, complete all as specified and as directed by the Engineer-in-Charge.( Note:- old retrieved lead re used for joint).

Material and labour for run lead joint for 150 mm bore cast iron water mains including earth work as required and supply necessary lead as per sire requirement for repair of joint, complete all as specified and as directed by the Engineer-in-Charge.( Note:- old retrieved lead re used for joint)

Material and labour for run lead joint for 200 mm bore cast iron water mains including earth work as required and supply necessary lead as per sire requirement for repair of joint, complete all as specified and as directed by the Engineer-in-Charge.( Note:- old retrieved lead re used for joint)

Supply only lead conforming to IS782 , complete as all specified and as directed.

Taking out suction pipe of 200mm bore with defective CI foot valve/strainer of 200 mm dia and replace foot valve (ISI marked) including necessary nut, bolt, washers and cutting threading of GI pipe if required and lowering in the sump complete all as directed.

All as per Item No. 58 above but of size 150 mm bore

All as per Item No. 58 above but of size 100 mm bore

Supply, install, test and commissioning of 80mm bore CI Sluice Valve in repairs, Class PN-1.6, both ends flanged and drilled type with brass spindle including wheel, suitable rubber gasket for flanged joints, ISI marked, including provision of necessary jointing materials nuts and bolts, washers etc., complete all as specified and directed.

All as per item No 61 above but 100mm bore Sluice Valve.

All as per item No 61 above but 150mm bore Sluice Valve.

All as per item No 61 above but 200mm bore Sluice Valve.

S&F in repairs, 40mm dia Butterfly valve in DI body with stainless steel disc & stem, nitrile/EPDM liner, lever operated, ISI marked including bolts, nuts and washers complete all as specified and as directed.

All as per item No 65 above but 50mm bore Butterfly Valve.

All as per item No 65 above but 80mm bore Butterfly Valve.

All as per item No 65 above but 100mm bore Butterfly Valve.

All as per item No 65 above but 150mm bore Butterfly Valve.

All as per item No 65 above but 200mm bore Butterfly Valve.

S&F in repairs, 80mm bore, PN-1.0 Non Return valve in CI body with bypass arrangement, ISI marked including bolts, nuts & washers and packing material complete all as specified and as directed.

All as per item No 71 above but 100mm bore Non Return Valve.

All as per item No 71 above but 150mm bore Non Return Valve.

All as per item No 71 above but 200mm bore Non Return Valve.

S&F in repairs, 100mm bore, double orifice Air Release valve in CI body, ISI marked including bolts, nuts & washers and packing material complete all as specified and as directed.

S&F in repairs, Gun Metal Check valve of size 50mm ISI marked including bolts, nuts & washers and packing material complete all as specified and as directed.

S&F in repairs, 20mm dia Gun metal, globe or gate valves with iron wheel head, ISI marked screwed both ends for iron/GI pipe and fixed complete all as specified and as directed.

All as per item No 77 above but 25mm dia globe or gate valve.

All as per item No 77 above but 40mm dia globe or gate valve.

All as per item No 77 above but 50mm dia globe or gate valve.

Supply and fixing in repair 80 mm bore CI butterfly valve, conforming to BS-5155, gear operated with necessary rubber gaskets, nuts and bolts and washers of suitable size as directed by the Engineer-in-Charge.

All as per Item No. 81 above but of size 100 mm bore

All as per Item No. 81 above but of size 150 mm bore

All as per Item No. 81 above but of size 200 mm bore

M&L, complete removal of existing paint from water supply pipeline network of 50mm bore including valves /NRV of any type and size at various Pump House and applying two coats of synthetic enamel paint over a coat of red oxide primer as per the colour code and marking the water flow directions on pipe lines complete all as directed.

All as per item No 85 above but for 80mm bore of pipe.

All as per item No 85 above but for 100mm bore of pipe.

All as per item No 85 above but for 150mm bore of pipe.

All as per item No 85 above but for 200mm bore of pipe.

Supply, hoisting and fixing rotational moulded polyethylene water storage tank (cylindrical vertical type with closed top) of capacity 5000 Litres, multi-layered (ISI marked), with GI tank nipple & cover, hoisted and fixed in position all as specified in SSR Part-I incl dismantling of existing unsv tank complete all as specified and directed.

Supply, hoisting and fixing rotational moulded polyethylene water storage tank (cylindrical vertical type with closed top) of capacity 2000 Litres, multi-layered (ISI marked), with GI tank nipple & cover, hoisted and fixed in position all as specified in SSR Part-I incl dismantling of existing unsv tank complete all as specified and directed.

Construction of valve chamber of size750x750x750 mm internal size suitable for housing sluice valve / gate valve etc with PCC 1:4:8 type D2 for foundation 15mm thick with an offset of 5 cm on all sides, brick work in CM 1:4 230mm thick rendering in CM 1:4, 15mm thick, 5 cm thick & 230mm wide PCC 1:2:4 type B1 coping over brick work all around including provision of MS angle iron frame 25 x 25 x 3mm embedded in concrete with suitable hinges 3mm thick MS sheet cover and locking arrangements including two coats of synthetic enamel paint over a coat of red oxide metal primer on exposed steel surfaces including demolition of existing damaged valve chamber and necessary excavation & earth work etc all as specified and directed.

Taking up / down unserviceable / rust valve pit cover and frame / support or platform etc of any size/thickness and supply, fabrication and fixing of framed brackets, made of mild steel plate/ flat / angle iron (of required size), cut to shape and size, as in valve pit cover/ frame / support or platform including necessary bending / welding etc as required and applying two coats of black bituminous paint over a coat of red oxide zinc chrome primer complete all as directed.

Cutting of road/hard standing not exc 30cm in which and not exc 60cm in depth for removal/laying of water tubing including returning filling and making good the disturbed surfaces using PCC 1:2:4 type B1 using 20mm graded stone aggregate on top 100mm layer and fair finishing the surface without using any extra cement all as specified and directed.

Collection of water samples from different water supply installations and water treatment plant under Fort William Area in a special sterilized container and submitting to test laboratory for Bacteriological/Chemical analysis as detailed here-in-after and obtain test result from lab incl submitting to Engineer-in-Charge as directed. Nature of Tests :- 1.Colour, Hazen Units 2. Odour 3. PH 4. Taste 5. Total Dissolved Solids 6. Turbidity, NTU 7. Ammonia (as Total Ammonia) 8. Aluminium (as Al) 9. Anionic detergents (as MBAS) 10. Barium (as Ba) 11. Boron (as B) 12. Calcium (as Ca) 13. Chloramines (as Cl2) 14. Chloride (as Cl) 15. Copper (as Cu) 16. Fluoride (as F) 17. Free residual chlorine 18. Iron (as Fe) 19. Magnesium (as Mg) 20. Manganese (as Mn) 21. Mineral Oil 22. Nitrate (as NO2) 23. Phenolic compounds (as C2, H2, OH) 24. Selenium (as Se) 25. Silver (as Ag) 26. Sulphate (as SO2) 27. Total alkalinity (as calcium carbonate) 28. Sulphide (as H2, S) 29. Total hardness (as CaCO3) 30. Zinc 31. Arsenic 32. E-Coli 33. Total Coliform 34.Lead (NOTE: Testing shall be carried out at NTC/Jadavpur University/RV Briggs & Co Pvt Ltd Kolkata or any other Govt approved laboratory with prior approval of GE)

Note: Schedule of credit (SCHEDULE OF CREDIT) amount of Rs ________ mentioned on Page No ____ shall be deducted from the total quoted amount of BOQ.

M/S S. K. SARKAR (BID ID -3109954)

SANTOSH INTERNATIONAL (BID ID -3101253)

Piu Projects (BID ID -3106967)

SK CONSTRUCTION SYNDICATE & ENGG CO (BID ID -3106877)

M/S SHRI P K ACHARJEE (BID ID -3107144)

MS JYOTI INDUSTRIES (BID ID -3110088)

MS HORIZEN (BID ID -3107142)

MAZUMDER ENTERPRISE (BID ID -3110892)