REPAIR / REPLACEMENT OF CORRODED WATER SUPPLY PIPE LINES OF CERTAIN LOCTIONS AT CHH SAMBHAJINAGAR MIL STATION UNDER GE(S) AHILYANAGAR

Excavation in trenches by manual/ mechanical means (Hydraulic excavator) not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying of pipe, foundation etc. or for Shafts, wells, cesspits, manholes, pier holes, etc not exceeding 10 Sq m on plan, including dresssing of sides and ramming of bottoms, lift upto 1.5 m, including getting out in any type of soil (soft/hard/dense soil) and disposal of surplus excavated soil to a distance not exceeding 50 m complete all as specified and as directed.

Returning, filling in excavated material (soil) including spreading, levelling, watering and well ramming in layers not exc 25 cm all as specified and as directed.

Supply, laying, jointing and testing in replacement ductile iron pipes of 150 mm bore with spigot and socket ends, centrifugally cast, class-K9, conforming to IS 8329 in any length, laid in trenches/ pipe support etc, pressure testing after laying complete as per IS- 12288 including styrene butadiene rubber gasket joints complete including provision of thrust block in RCC M20 (as per design approved by GE) wherever there is change in direction of the pipe line (at bends/ Tee etc) complete all as specified and as directed by Engr-in-Charge. Notes :- 1) Tyton joints required are deemed to be included in the unit rate quoted. 2) The rate quoted is deemed to be inclusive of the cost of thrust block wherever required.

Supply, laying, jointing and testing in replacement ductile iron pipes of 200 mm bore with spigot and socket ends, centrifugally cast, class-K9, conforming to IS 8329 in any length, laid in trenches/ pipe support etc, pressure testing after laying complete as per IS- 12288 including styrene butadiene rubber gasket joints complete including provision of thrust block in RCC M20 (as per design approved by GE) wherever there is change in direction of the pipe line (at bends/ Tee etc) complete all as specified and as directed by Engr-in-Charge. Notes :- 1) Tyton joints required are deemed to be included in the unit rate quoted. 2) The rate quoted is deemed to be inclusive of the cost of thrust block wherever required.

S&F in replacement for CI / DI fittings and specials 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 branch, cross (all sockets or socket and spigot), Collars, Caps, Plugs, Connecting pieces one end flanged and other end socketed or spigot ends or all socketed / spigot ends etc, suitable for 150 mm bore pipe complete all as specified and as directed.

S&F in replacement for CI / DI fittings and specials 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 branch, cross (all sockets or socket and spigot), Collars, Caps, Plugs, Connecting pieces one end flanged and other end socketed or spigot ends or all socketed / spigot ends etc, suitable for 200 mm bore pipe complete all as specified and as directed.

M&L for mechanical joint having 2 Nos CI / DI Sockets, 1 No CI / DI Collar and 2 Nos styrene butadiene rubber gaskets, etc for 150 mm bore pipe alongwith nuts, bolts, washers , gaskets etc. including cutting CI / DI pipe and reducing to required length for insertion in position of mechanical joint complete connected with line all as specified and directedby Engr-in-Charge.

M&L for mechanical joint having 2 Nos CI / DI Sockets, 1 No CI / DI Collar and 2 Nos styrene butadiene rubber gaskets, etc for 200 mm bore pipe alongwith nuts, bolts, washers , gaskets etc. including cutting CI / DI pipe and reducing to required length for insertion in position of mechanical joint complete connected with line all as specified and directedby Engr-in-Charge.

Supply and fix in replacement sluice valve of size 150 mm bore, cast iron, long body, both ends flanged as per IS-14846 and drilled with stainless steel spindle iron wheel head and as per pressure rating PN 1.6, Class I, ISI Marked alongwith nuts, bolts, washers , gaskets etc. incl taking out old unserviceable sluice valve from valve chamber / trenches complete all as specified and as directed.

M&L for construction of valve pit/chamber of Internal dimensions 1200 mm x 1200 mm x 1200 mm, using PCC 1:4:8 type D-2 (using 40mm graded stone aggregate) for foundation, 23 cm thick, fly ash brick wall built in cement mortar (1:4) ,15 mm thick rendering all around the brick work in cement mortar (1:4), 75 mm thick PCC (1:2:4) type B-1 using 20mm graded stone aggregates in coping including necessary form work, 3 coats of white wash on rendered surfaces and on coping, 5 mm thick mild steel top sheet cover with frame made out of 40x40x6 mm angle iron, locking arrangement, including painting of steel surface with two coats of synthetic enamel paint over a coat of red oxide primer including demolition of existing valve chamber and clearing the debris complete all as specified and as directed.