REPAIR/ REPLACEMENT AND MAINT OF GI/ CI/ DI/PPR/HDPE PIPE LINES AND CONNECTED WORKS AT OUTSIDE FORT WILLIAM UNDER GE (FW) KOLKATA

Amount

Excavation in trenches not exceeding 1.50m wide and not exceeding 1.50m depth for foundation, for laying of pipes/cables/poles etc., forming bottom surfaces to required slope/gradient where pipe are laid and getting out in any type of soil complete all as specified and directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick each layer as in soil complete all as specified and as directed.

Removing excavated material/soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed.

Taking up / down 100 mm bore, GI 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, 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.

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. 18 above but of size 80 mm bore

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

All as per Item No. 18 above but of size 40 mm bore

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

All as per Item No. 18 above but of size 20 mm bore

All as per Item No. 18 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. 25 above but of size 80 mm bore

All as per Item No. 25above but of size 50 mm bore

All as per Item No. 25 above but of size 40 mm bore

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

All as per Item No. 25 above but of size 20 mm bore

All as per Item No. 25 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.

Bore size 80 mm

Bore size 100 mm

Bore size 150 mm

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 seperately under relevent item of this schedule)

Bore size 80 mm

Bore size 100 mm

Bore size 150 mm

Bore size 200 mm

Supply, laying and testing the following size CI water mains with spigot and socket ends, centrifugally cast of class 'A' in any length, laid in trenches/walls/floors/ceilings with new fittings as directed by Engr-in-Charge. (Note: Lead joint/tyton rubber gasket joint/new CI/DI specials will be measured and paid seperately under relevent item of this schedule).

Bore size 80 mm

Bore size 100 mm

Bore size 150 mm

Bore size 200 mm

Supply, laying and testing the following size CI water mains with flanged ends, centrifugally cast of class 'A' in any length, laid in trenches/walls/floors/ceilings with new fittings as directed by Engr-in-Charge. (Note: Lead joint/tyton rubber gasket joint/new CI/DI specials will be measured and paid seperately under relevent item of this schedule)

Bore size 80 mm

Bore size 100 mm

Bore size 150 mm

Bore size 200 mm

Supply, laying, 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 52 above but 100mm bore of pipe.

All as per item No 52 above but 150mm bore of pipe.

All as per item No 52 above but 200mm bore of pipe.

M&L, DI fittings for pipes upto 200mm bore such as bends (any type, radius and angle) 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 andangle) 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 (using old retrieved lead) for 80 mm bore cast iron water mains complete all as specified and as directed by the Engineer-in-Charge. (Note: New lead required for jointing of pipes shall be measured and paid seperately).

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

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

All as per Item No. 58 above but of size 200 mm bore

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/stainer of 200 mm dia and replace foot valve (ISI marked) including necessary nut, bolt, washers and cutting threading of CI/DI/GI pipe if required and lowering in the sump complete all as directed by the Engr-in-Charge.

All as per Item No. 63 above but of size 150 mm bore

All as per Item No. 63 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 66 above but 100mm bore Sluice Valve.

All as per item No 66 above but 150mm bore Sluice Valve.

All as per item No 66 above but 200mm bore Sluice Valve.

S&F in repairs, 80 mm dia Butterfly valve in CI body with stainless steel disc & stem, nitrile/EPDM liner, lever operated, ISI marked including bolts, nuts and wshers complete all as specified and as directed.

All as per item No 70 above but 100mm bore Butterfly Valve.

All as per item No 70 above but 150mm bore Butterfly Valve.

All as per item No 70 bove 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 74 above but 100mm bore Non Return Valve.

All as per item No 74 above but 150mm bore Non Return Valve.

All as per item No 74 above but 200mm bore Non Return Valve.

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 78 above but 25mm dia globe or gate valve.

All as per item No 78 above but 40mm dia globe or gate valve.

All as per item No 78 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 82 above but of size 100 mm bore

All as per Item No 82 above but of size 150 mm bore

All as per Item No 82 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 86 above but for 65mm bore of pipe.

All as per item No 86 above but for 80mm bore of pipe.

All as per item No 86 above but for 100mm bore of pipe.

All as per item No 86 above but for 150mm bore of pipe.

All as per item No 86 above but for 200mm bore of pipe.

Construction of valve chamber of size 0.9m x0.9m x0.80 m 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 40 x 40 x 6 mm embedded in concrete with suitable hinges 5 mm 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.

Cutting of road/hard standing not exc 30cm in width 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 fininshing the surface without using any extra cement all as specified and directed.

Taking down UP/down Unserviceable / rust valve pit cover and frame / support or platform etc of any size/thickness and supply, fabrication and fixing of framed bracket, 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 two coats of black bituminous paint over a coat of red oxide zinc chome primer complete all as directed.

Cutting of existing CI/DI pipe to required length for insertion of Tee/Valves/Taking branch connection /addn/altn/etc complete all as specified and as directed by the Engineer- in -Charge for the following size of pipes :-

100 mm bore

150 mm bore

200mm bore

Supply, laying and testing of 110 mm outer dia, 3- layer PP-R Polypropylene random copolymer) pipes SDR 7.4 UV stablised and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and directed by Engr-in-Charge.

All as per Item No 99 above but of 90 mm outer dia

All as per Item No 99 above but of 63 mm outer dia

All as per Item No 99 above but of 50 mm outer dia

All as per Item No 99 above but of 40 mm outer dia

All as per Item No 99 above but of 32 mm outer dia

All as per Item No 99 above but of 25 mm outer dia

S&F 20 mm bore Ball brass valves, high pressure, with HDPE float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed.

All as per above item No 106 here-in-before but 25 mm bore Ball brass valves.

All as per above item No 106 here-in-before but 40 mm bore Ball brass valves.

Demolition of Brick Work built in Cement Mortar including all Quoins, Arches, Pillars, etc. of any descriptions, complete all as specified and directed.

Demolition of Cement Concrete (un-reinforced) in Ground Floors and Pavings not exc. 150mm thickness (above or below Ground Level), complete all as specified and directed.

M&L Brick Work with Flyash Bricks (with Old Size Bricks), Straight or Curved on Plan exc. 6.0 Metre mean Radius, built in Cement Mortar 1:6, complete all as specified and as directed.

M&L Plain Cement Concrete type C2 (1:3:6) using 40 mm graded aggregate) in Foundation, Filling and Mass Concrete, complete all as specified and as directed.

M & L rendering 10 mm thick on brick or concrete surface in cement mortar (1:6), finished even and smooth without using extra cement complete all as specified and directed.

S&F in repair Rotational Moulded Polyethylene (HDPE) Water Storage Tank (Cylindrical Vertical with Closed Top), Black in Colour, Three Layered Construction, hoisted and fixed in Position all specified in MES Schedule Part-I including provision of 25mm x 100mm GI nippples with check nuts for inlet, outlet wash and overflow pipe including Lowering of old/ unserviceable Water Storage Tank of any description, complete all as specified and as directed for the following capacities :-

500 Litres

1000 Litres

1500 Litres

S&F Mild steel Pump set base frame suitable for 7.5 to 15 HP pump set including necessary dismantling of old PCC and provision of new PCC 1:2:4 type B1(20mm graded stone aggregate) foundation, Mild steel foundation bolt, nut & washers as in repair complete all as specified and as directed.(NOTE: Quoted rate is deemed to be inclusive of the cost of PCC foundation).

S&F Mild steel Pump set base frame suitable for 20 to 25 HP pump set including necessary dismantling of old PCC and provision of new PCC 1:2:4 type B1(20mm graded stone aggregate) foundation, Mild steel foundation bolt, nut & washers as in repair complete all as specified and as directed.

Collecting of water sample from Fort William water supply installtion from UG sump of PH-3, Lakh Gallon Pump House, JSA Pump House and JCO MAP PH and same at 01 Random service tanks as Directed By Engr-in-charge in a special sterilized container and submitting to the Govt approved test laboratory for analysis of Bacteriological/ Chemical (TDS, As, Fe, PH , conductivity, Fluoride, TSS, Sulphate, Turbidity, Total Hardness, Calcium Hardness, Total Alkalinity, SDI, Magnese, Nitrate, Choride & Bacteriological) complete and obtain test result from the lab incl submitting to Engr in charge as directed. (Testing shall be done in NTC, CSIR or any govt apporoved lab as directed by Engr-in-charge.

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

SUDHA ENTERPRISES (BID ID -3122098)

UNIVERSAL TRADING CENTRE (BID ID -3118509)

RAJ ENTERPRISE (BID ID -3120758)

GHOSH ENTERPRISE (BID ID -3120850)

MS AP CONSTRUTION AND CO (BID ID -3120249)

GAYATRI ENTERPRISE (BID ID -3121799)

MS HORIZEN (BID ID -3120520)