SPECIAL REPAIRS TO WATER SUPPLY LINES IN A COY AT TB I AREA OF MEG AND CENTRE UNDER GE NORTH BANGALORE

Amount

Excavation in trenches not exceeding 1.50 m wide and not exceeding 1.50 m in depth and getting out in hard/dense soil complete all as specified and as directed.

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

Removing of excavated surplus material to a distance exc. 250m but not exc. 500m and depositing where directed at a level not exc. 1.5m above the starting point complete all as specified and as directed.

Ductile iron pipe 150mm dia (K-9 grade) conforming to IS: 8329 (latest version) with and including tyton joints, with inside surface of centrifugaly cast cement mortar lining, suitable for tyton rubber joint in any length laid in tenches, jointed and tested all as per IS-12288-1987 including taking down old unserviceable CI pipe all as specified and as directed. NOTE :- 1. Excavation and earthwork will be measured and paid separately under respective item of schedule. 2. DI specials will be measured and paid separately under respective item of schedule.

Supply, lay and testing Galvanised iron pipe of 80 mm dia, medium grade, laid in trenches / fixed on walls, with all fittings such as socket, bends, elbow, union etc., including dismantling the old un serviceable pipe complete all as specified and as directed.

Supply, lay and testing Galvanised iron pipe of 40 mm dia, medium grade, laid in trenches / fixed on walls, with all fittings such as socket, bends, elbow, union etc., including dismantling the old un serviceable pipe complete all as specified and as directed.

Supply, lay and testing Galvanised iron pipe of 25 mm dia, medium grade, laid in trenches / fixed on walls, with all fittings such as socket, bends, elbow, union etc., including dismantling the old un serviceable pipe complete all as specified and as directed.

Gun-metal, globe or gate valves with ISI mark embosed on it, with iron wheel head, screwed both ends for iron pipe and fixed suitable for 40 mm dia including taking down the existing complete all as specified and as directed.

Gun-metal, globe or gate valves with ISI mark embosed on it, with iron wheel head, screwed both ends for iron pipe and fixed suitable for 25 mm dia pipe including taking down the existing complete all as specified and as directed.

Cutting the existing CI/DI pipe in position for insertion of new Tees, branches etc of size 150 mm dia complete all as specified and as directed. NOTE:- Earth work excavation will be measured and paid separately.

Cast Iron sluice valves, 100 mm dia with steel spindle, bronze gate and seating rings conforming to IS :14846-2000, class 1.6 PN with ISI mark embosed on it, including jointing materials such as rubber insertion gaskets, suitable size of nuts, bolts, washers etc, including taking down the existing vlaves complete all as specified and as directed.

Cast Iron sluice valves, 80 mm dia with steel spindle, bronze gate and seating rings conforming to IS :14846-2000, class 1.6 PN with ISI mark embosed on it, including jointing materials such as rubber insertion gaskets, suitable size of nuts, bolts, washers etc, including taking down the existing vlaves complete all as specified and as directed.

Dismantling the broken valve chamber of size 750 x 750 mm x 1000 mm, providing new valve chamber of same size with PCC(1:3:6) block masonry in cement mortar(1:4), with Plain Cement Concrete (1:4:8), type D2 as in sub base, 15mm thick plastering on internal and exposed external surfaces in cement mortar (1:4), valve chamber cover made out of MS sheet 3.00mm thick, welded on angle iron frames 50x50x6 mm as in double door type with hinges and locking arrangement with 4 leavers Godrej lock, 75mm size duly painted with 2 coat of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

DI specials suitable for spigot and socket end pipes such as bends, pieces, collar, sockets caps and plugs etc., suitable for up to 150 mm bore DI pipes complete all as specified and as directed. NOTE:-Push on type joints will be measured and paid separately under respective items of Schedule.

mahadevi Enterprises