81401 SPECIAL REPAIRS TO WATER PIPE LINE FROM MES PUMP HOUSE TO AMBER MTS AT KATTABOMMAN UNDER GE TIRUNELVELI

Amount

SCHEDULE 'A' PART-I [ WATER SUPPLY WORKS]

Excavation in trenches for laying of GI water tubing etc., getting out in soft/loose soil n.exc 1.5m wide and n.exc 1.5m depth complete all as specified and directed.

Excavation in trenches for laying of GI water tubing etc., getting out insoft/disintegrated rock n.exc 1.5m wide and n.exc 1.5m depth complete all as specified and directed.

Returning, filling in trenches including spreading, leveling, watering and in layers n.exc 25cms thick without damaging pipes/special fittings as in any type of soil complete all as specified and directed.

Removing excavated materials to a distance n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and directed.

Material and labour for providng 150mm dia Reinforced concrete pipes, class NP2, laid and jointed complete with collars complete all as specified and as directed.

Supply and fixing in trenchs centrifugally cast (SPUN) ductile iron pressure pipe of 80mm nominal dia with socket and spigot ends conforming IS : 8329/2000, classification K7, ISI marked suitable for push joint with rubber gasket conforming IS 5382 and cement mortar lining with epoxy seal coat in internal and external metallic zing coating with a finishing coat of black bitumen coating including provision of specials, such as tee's elbows, bends, reducers, taper pipe including taking down of old u/s pipe of any type complete all as specified and as directed.

Material and labour for construction of Brick masonary valve pit internal sizes of 1.2mx0.9mx0.9m complete including excavation , earth work in any type of strata with bottom 100mm thick PCC 1:3:6 type C1, 23cm thick BW with sub class b set in CM (1:4) over 100 mm thick PCC 1:4:8 type D2 foundation, 50 mm thick PCC 1:2:4 type B1 coping on the top of wall, rendering 15 mm thick with CM 1:4 on inside and exposed external surfaces up to 150mm below GL, 3 mm thick MS sheet cover, angle iron frame and locking arrangment etc.,two coat of paint over primer in steel surface including dismantling old existing damaged valve pit complete all as speficied and directed.

Supply and fix Sluice valve of 80mm dia CI body double flanged and drilled conforming to IS-780 of 1980 PN-1.6 including rubber gasket 3 mm thick, stainless steel spindle, iron wheel head and suitable size of nuts bolts and washers complete all as specified and as directed.

M&L for drilling/boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including making good distrubed surface complete all as specified and as directed.

Supply and fixing in repair of 80mm dia non return valve PN-1.6 confirming to IS- 5312 both end flanged heavy duth including jointing by means of rubber gasket 3mm thick, MS nut bolt, washers etc., including testing and taking out old U/s NRV complete all as specified and directed.

Supply and Fix of cast iron water supply pipeline indicator of size 200 mm dia x 6 mm thick with letters embossed and fixed with 1200 mm long MS angle iron 50 x 6mm and 'T' base of 25x25x5mm, and painting, including connected earth work and excavation as in post holes in any type of soil providing PCC 1:3:6 type C1 of size 500x600x400 mm (using 20mm graded stone aggregate)to hold the angle iron (by putting the split end of angle iron in to the concrete) up to ground level and painting the exposed iron surface with two coat of synthetic anamel paint over a coat of primer etc complete after tracing the route of burried water supply pipe line / cable complete all as specified and as directed by Engineer-in-Charge.

M & L for cutting of existing pipe line with help of suitable T & P for new connection of water supply line to take connecting with out any leakes all as specified and directed.

Supply and fix 80mm dia tamper proof double orifice kinetic air valve designed as per IS 14845 type with stainless steel floats in blue epoxy coating complete all as specified and as directed

Supply and fixing in repair of pressure gauge dial type with sihon assembly including necessary arrandement and welding, cutting etc. complete all as specified and directed.

Material and labour for providing precast cement concrete (1:3:6) type C-1 using 20mm graded stone aggregate as in cover slab, etc including necessary use and waste of formwork, set with CM 1:4 complete all as specified and as directed.

prabhakaran

K N RAJ CONSTRUCTIONS

S KUMARAN

M/s.Sai Agency

lakshmibuilders

M/s VJ ENTERPRISES

K. VENKATESH NAIDU