81759 SPECIAL REPAIRS TO EXTERNAL WATER SUPPLY LINE OF D3 AREA AT NDA KHADAKWASLA UNDER GE NDA KHADAKWASLA

Amount

Excavation in trenches in soft / loose soil not exceeding 1.5 metre wide and not exc 1.5 metre in depth and getting out for taking out / laying of pipes and making bottom surfaces of excavation levelled complete all as specified and as directed.

Returning, filling in trenches with excavated soil including spreading, levelling, watering and well ramming in layers not exceeding 25 cm complete all as directed by the Engineer-in-Charge.

Removing surplus soil / spoil to a distance not exceeding 50 metre away and depositing where directed at a level not exceeding 1.5 metre above the starting point all as directed by the Engineer-in-Charge.

Taking up or down 50 mm bore GI water tubing and connections of pipe and fittings including removing unserviceable pipes and fittings from site of work for keeping in safe custody in store yard complete all as directed by the Engineer-in-Charge.

All as per item No 4 above but of size 15/20mm complete all as specified and as directed.

Supply and fix in repairs GI tubing 'Medium grade' 50 mm bore, with all fittings (Tee, Elbow, Nipple, Reducer, Union, Ferrule) clamps screws MS clamps, hooks complete on laying of ground/fixed on wall/floor/ceiling all as specified and as directed.

All as per Ser. item No 6 above but of size 20 mm bore complete all as specified and as directed.

All as per Ser. item No 6 above but of size 15 mm bore complete all as specified and as directed.

S&F in repairs Gun-metal Globe or gate valves 50mm size with iron wheel head screwed both ends for iron pipe and fixed complete all as specified and as directed.

All as per Ser. item No 9 above but of size 20 mm bore complete all as specified and as directed.

Supply and fix in repairs Bib tap standard of PTMT any colour of size 15mm high pressure screwed for iron pipe and fixed (Minimum weight 90gms) complete all as specified and as directed.

S & F Ball (float) valves high pressure of brass with epoxy coated brass rod and high density plastic ball, screwed for 20mm bore iron pipe, including socket, nipple,reducer socket,etc. complete all as specified and as directed.

M & Labour for valve pit chamber on existing chamber foundation with 230 mm thick brick wall in CM (1:6), 75 mm thick coping with PCC 1:3:6 type C2 (using 40mm thick crushed stone aggregate), 15 mm thick plaster work in CM 1:4 over all internal and external wall with white wash of both surface and MS sheet cover of 2mm thickness for Valve Pit Chember of size 600x600x500 mm with hinges, equal angle iron frame of size 25 x 25 x 3mm and necessary locking arrangement painting of synthetic Enamel paint over coat of red oxide primer on MS Plate including dismantling existing chamber wherever required as directed by Engr-in-Charge including removal of all debris all as specified and directed .

Demolition of cement concrete of any description and in any position, removing demolished material from site at distance not exc 100m complete all as specified and directed by Engr-in Charge.

M & L for cement concrete 1:3:6 type C2 (using 40mm crushed stone aggregate), upto 100mm thick, as in repairs to disturbed hard standing/ Plinth Protection or any other repair as required at site at any situation complete all as specified as directed.

Taking up Cast Iron water mains 200/225mm bore size (including all fittings), with spigot and socket ends and lead joints including excavation, burning out joints and recovering lead complete all as directed by the Engineer-in-Charge.

Taking up Cast Iron water mains 150mm bore size (including all fittings),with spigot and socket ends and lead joints including excavation, burning out joints and recovering lead complete all as directed by the Engineer-in-Charge.

Supply, Laying, Jointing &Testing, Ductile Iron Pipe 200mm K-7 Class Spigot & Socket type, ISI marked/ IS:8929 with internal cement mortor lining and external zinc and black bitumen coating suitable for push on rubber joint with rubber joint as per IS:9523-2000 including all necessary fitting and fixture any type complete all as specified and as directed.

Supply, Laying, Jointing &Testing, Ductile Iron Pipe 150mm K-7 Class Spigot & Socket type, ISI marked/ IS:8929 with internal cement mortor lining and external zinc and black bitumen coating suitable for push on rubber joint with rubber joint as per IS:9523-2000 including all necessary fitting and fixture any type complete all as specified and as directed.

Material & labour for Ductile iron fittings such as bends (any type, radius, angle) tapers any type (straight, bend, increasing, decreasing or double socket etc),Tee piece, single branch Y junction double branch collar, blank flanges caps and plugs etc as per IS:9523-2000 of class K-12 PN -1.6 with internal cement mortor lining and external cement mortor lining and external zinc black bitumen coated of dia 200-300 mm complete all as specified and directed.

M & Labour for Valve Pit Chamber of size 900x900x500 mm (Internal Dimension) block masonary 200mm thick with 75mm thick coping including all necessary excavation and earth work in any type of soil, returning, filling and disposal of spoil to a distance exc 50m and depositing where directed, PCC in foundation of the mix (1:3:6) type C-2 ( Using 40mm graded stone crushed stone aggregate) 15 mm thick plaster work in CM 1:4 over all internal and external wall with white wash of both surface and 2mm thick MS sheet cover of suitable thickness for with hinges, equal angle iron frame of size 25 x 25 x 3mm and necessary locking arrangement painting of synthetic enamel paint over coat of red oxide primer on MS Plate all as specified and directed .

S&F Butterfly Valve (wafer type) class PN 1.6, 200mm, ISI marked with SG Iron Disc, Lever/Gear Oparated, Nitrile/ EPDM rubber lining Seat Test Pressure 1.76MPa (Hyd) ISI marked including tail piece of 150mm dia MS Pipe with flange, necessary welding work to all minor fixing arrangement and taking down of old valves complete all as specified and as directed

S&F Butterfly Valve (wafer type) class PN 1.6, 150mm, ISI marked with SG Iron Disc, Lever/Gear Oparated, Nitrile/ EPDM rubber lining Seat Test Pressure 1.76MPa (Hyd) ISI marked including tail piece of 150mm dia MS Pipe with flange, necessary welding work to all minor fixing arra\ngement and taking down of old valves complete all as specified and as directed

M&L for Boring of holes under road, pavements, hard standing by Trenchless Technology using Ultra Sounding technique and necessary machine including HDPE pipe of upto 225mm dia suitable for 0.4mpa working pressure complete all as directed for passing DI Pipe of bore size 150/200mm complete all as specified and as directed. (Note : Damages to any existing Electric/ Tele communication cable, Water/Sewage pipeline if any, will be repaired immediately by the Contractor and cost for the repair is deemed to be included in quoted rate)

M&L for cutting existing road incl black top cover (trench) up to 1 Mtr depth and width not exc 50cm for laying of pipe line, refilling and making good after laying of pipe with removed soil and finally sealed with Bituminous Black Top of thickness not less than 150mm to match with the top surface of Road complete all as specified and as directed

vishalconstruction

SHREE GANESH ENTERPRIESE

OM GANESH CONSTRUCTION

Deccan Enterprises

agarwal and company

Prasur Electricals & Engineering Co.