SPL REPAIR/ REPLACEMENT OF VINTAGE CI/ GI/ DI PIPELINE INTO DI/PPR/GI PIPELINE AT P-22, P-28, P-30, P-7 TO P-10 MD ACCN AND ALLIED ITEMS INSIDE VIJAY DURG UNDER GE (VD) KOLKATA

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 15 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 20 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 40 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 80 mm bore

All as per Item No. 04 above but of size 100 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.

Supply, laying 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, complete all as specified and directed .

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 outer dia PPR pipe complete all as specified and directed.

All as per Item No. 25 but for 25 mm outer dia pipe

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

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

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

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

All as per Item No. 25 but for 110 mm outer dia pipe

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 100 mm

Bore size 150 mm

Supply, laying, jointing and testing 100mm bore Ductile Iron pipes with spigot and socketed ends, centrifugally cast, class K-9, 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 35 above but 150mm bore of pipe.

All as per item No 35 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.

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 GI pipe if required and lowering in the sump complete all as directed by the Engr-in-Charge.

All as per Item No. 39 above but of size 150 mm bore

All as per Item No. 39 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 42 above but 100mm bore Sluice Valve.

All as per item No 42 above but 150mm bore Sluice Valve.

All as per item No 42 above but 200 MM 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 wshers complete all as specified and as directed.

All as per item No 46 above but 50mm bore Butterfly Valve.

All as per item No 46 above but 65mm bore Butterfly Valve.

All as per item No 46 above but 80mm bore Butterfly Valve.

All as per item No 46 above but 100mm 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 51 above but 100mm bore Non Return Valve.

All as per item No 51 above but 150mm bore Non Return Valve.

All as per item No 51 above but 200mm bore Non Return Valve.

S&F in repairs, 15mm 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 55 above but 20mm dia globe or gate valve.

All as per item No 55 above but 25mm dia globe or gate valve.

All as per item No 55 above but 40mm dia globe or gate valve.

All as per item No 55 above but 50mm dia globe or gate valve.

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

All as per Item No. 60 above but of size 100 mm bore

All as per Item No. 60 above but of size 150 mm bore

Cutting of road/hard standing not exc 30cm in wich 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 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, rolloing shutters, 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 by the Engr-in-Charge.

Materials and labour for filling gravel of size 20 mm to 40 mm inside existing rapid gravity filter / pressure filter at different locations complete all as directed.

Materials and labour for filling gravel of size 12 mm to 20 mm inside existing rapid gravity filter / pressure filter at different locations complete all as directed.

Materials and labour for filling gravel of size 6 mm to 12 mm inside existing rapid gravity filter / pressure filter at different locations complete all as directed.

Materials and labour for filling gravel of size 3 mm to 6 mm inside existing rapid gravity filter / pressure filter at different locations complete all as directed.

Materials and labour for filling coarse sand 0.35 to 0.50 mm (Barakar Origin) inside existing rapid gravity filter/ pressure filter at different locations complete all as directed.

Materials and labour for filling Magnese dioxide (FERRIMENIX COMPOUND) inside existing aeration tower/Oxidation Chamber complete all as specified and directed.

Construction of valve chamber of size1000X1000X1000 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.

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

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.

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

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