SPL REPAIR REPLACEMENT OF GI PIPE TO DI PIPE LINE AT MH LOWER BLOCK AND OLD RUSTED PIPE LINE AT KHALASHI AND BUTCHERY LINE AT MIL STN SHILLONG AND SPL REPAIR REPLACEMENT OF BER GEYSER AT MIL STN SHILLONG AND SPL REPAIR REPLACEMENT OF PPR PIPE TO GI P

Amount

Supply & Lay pipe ductile iron, S/S including specials,class K-7, 100 mm complete including complete fittings and taking down old rusted GI pipe line all as specified and as directed

Supply and fix in replacement CI Sluice valve of 100mm bore with flanged ends as per IS-14846 PN-1.6 including stainless steel spindle and wheel , ISI marked with nut bolts and jointing material i.e. rubber gasket complete including taking down old unserviceable sluice valve complete all as specified and directed.

Supply , laying and connection in trenches GI tubing of 100mm bore , medium grade, including fittings such as tee, bend, nipple, socket, reducer, flange, union etc complete all as directed by Engr in Charge of following size of pipe:- Note - excavation will be measured and paid seperately under relevant item

S & F Cast Iron air valve with two air outlet, 100 mm (4") dia bore complete all as specified and as directed.

M & L for PCC type D2 (1:4:8) using 40 mm graded crushed stone aggregate etc as in foundation, filling and mass concrete etc necessary formwork complete all as specified and as directed.

M&L for construction of block masonry valve pit complete with PCC1:3:6 type C1 solid block walling 20 cm thick set in cement mortar 1:4 over 100mm 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 cement mortar 1:4 on inside and exposed external surface MS sheet cover angle iron frame and locking arrangement, size 0.9 mtr x 0.9 mtr x 0.9 mtr as mentioned in particular specification including dismantling old existing damaged valve pit and as directed by Engr-in-Charge.

Excavation in trenches for laying of GI water tubing etc getting out in soft/loose soil not exceeding 1.5 m wide and not exceeding 1.5m deep complete all as directed by Engr in Charge.

M&L cutting of existing road/hard standing// footpath surfaces for laying of GI water tubing complete all as specified and as directed.

Returning, filling in trenches including spreading, leveling, watering and well ramming in layers not exceeding 25 Cm thick as in soft/loose/hard/dense soil complete all as directed by Engr in Charge.

Removing excavated materials to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as directed by Engr in Charge.

Supply and fixing of hot water Geysers of 25 ltrs capacity 5 star rated vertical type includng fixing of bolts , nuts grouted into the wall , and necessary cement work , making good of disturbed surface of wall , giving electric and water connection and testing after installation all as specified and directed. Make Havells/CCrompton/Bajaj or equivalent

Wiring for circuit / sub main wiring along with earth wire with the following sizes of FRLSH is PVC insulated copper conductor, single core cable in casing caping as required 2 x 4 sq mm 1 x 4 Sq mm earth wire complete all as specified and as directed.

Switch socket combination 15 Amps complete all as specified and as directed

S&F heat resistant PVC connection pipe for hot and cold water 450mm long 15mm dia all as specified and directed.

Supply & laying galvanized steel tubing, medium grade laid in trenches/floor/wall and joined including necessary fittings such as bends, elbow, tees, sockets, etc for 15mm dia pipe all as specified and directed.

Supply and Fix of Angle stop valve of PTMT any colour high pressure screwed for iron pipe and fixed, (Minimum weight 15mm-90gms) all as specified and directed

Supply and fix bib tap 15mm dia, outer thread, cst copper alloy chromium plated complete inclusive 15mm dia GI socket and all incoming water connection and testing for entire satisfaction for Engr-in-Charge

S & F G I pipes medium class 50 mm dia including all fittings complete all as specified and as directed.

S & F G I pipes medium class 25 mm dia including all fittings complete all as specified and as directed.

S&F Gun metal gate valve class I (ISI) marked with iron wheel head, screwed both ends for iron pipe, suitable for following bore of pipe including taking down old existing unserviceable gate valve complete all as specified and directed by Engr-in-Charge

(a) 50 mm bore din of pipe

(b) 25 mm bore din of pipe

S & F Cast Iron air valve with single air outlet, 50 mm dia bore and fixing up in cast iron water supply mains of 50 mm dia complete all as specified and as directed.

M & L for cutting of existing road / hard standing / foot path surfaces for laying water tubing and making good to disturbed surface with plain cement type B1 (1:2:4) using 20 mm graded crushed stone aggregate as in coping / benching, slightly rounded or chamfered angles and throating, etc including necessary formwork complete all as specified and as directed.

M&L for construction of block masonry valve pit complete with PCC1:3:6 type C1 solid block walling 20 cm thick set in cement mortar 1:4 over 100mm 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 cement mortar 1:4 on inside and exposed external surface MS sheet cover angle iron frame and locking arrangement, size 0.9 mtr x 0.9 mtr x 0.9 mtr as mentioned in particular specification including dismantling old existing damaged valve pit and as directed by Engr-in-Charge.

M/s Nishi Kumar Das (BID ID -3176735)