SPECIAL REPAIRS TO IMPROVEMENT OF EXTERNAL WATER SUPPLY AT STABLE HILL PUMP HOUSE AND DAD WATER PIPE LINE UNDER GE WELLINGTON

Amount

Excavation in trenches not exceeding 1.5M wide and not exceeding 1.5M in depth and getting out in hard/ dense soil for laying of GI/DI Pipe all as specified and directed.

Returning, filling in including spreading, leveling, watering and well ramming in layers not exceeding 25 Cms thickness all as specified and directed.

Removing excavated material to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point all as specified and directed.

Dismantling the existing broken valve chamber completely and construction of valve chamber having inner dimension 750mm x 750mm x 600 mm suitable for upto 50 mm gate valve with PCC 1: 4: 8 type D2 for foundation, using 40mm graded stone aggregate brick work in cement mortar (1:4), PCC 1: 2: 4 type B1 using 20mm graded stone aggregate for coping, rendering in CM 1:4, 15mm thick including provision of MS Sheet top cover 3.15 mm thick with brazing of MS flat of size 25 mm x 4mm at edges and in diagonal and angle iron base frame of 40 x 40 x 5 mm, painting with two coats of synthetic enamel paint over a coat of red oxide primer and locking arrangements including necessary excavation earth work complete all as specified and directed.

Supply, laying and testing as in trenches / on pillar / wall, pipe Ductile iron, spigot and socket ends, including special class 'K-9' and including rubber gasket (push on) joints of same make of DI pipe having two sections of different hardness for spigot and socket pipes 150mm dia complete all as specified and directed.

Supply, laying and testing as in trenches / on pillar / wall, pipe Ductile iron, flanged pipe, class 'K-9' and including rubber gasket, nuts, bolts and washers for joints pipes 150mm dia complete all as specified and directed.

Ductile iron specials such as bends, tapers, tee pieces (single and double branch) any type and angle / radius and straight connecting piece but all ends socketed flanged of size 80, 100 to 150mm dia bore all as specified and directed.

Taking up/down serviceable / unserviceable GI Pipe and connections from the trenches or removal from walls, floors etc of size 80mm dia all as specified and directed.

Taking up/down serviceable / unserviceable GI Pipe and connections from the trenches or removal from walls, floors etc of size 63mm dia all as specified and directed.

Taking up/down serviceable / unserviceable GI Pipe and connections from the trenches or removal from walls, floors etc of size 50mm dia all as specified and directed.

Steel water tubing medium grade galvanized 100mm bore with all GI fittings and fixed on wall, ceiling and laid in floors complete all as specified and directed.

Steel water tubing medium grade galvanized with all GI fittings and laid in trenches / fixed on walls / floors of size 50mm dia all as specified and directed.

Gunmetal gate valve with iron wheel head screwed both ends for iron pipe of size 50mm dia all as specified and directed.

Gunmetal gate valve with iron wheel head screwed both ends for iron pipe of size 40mm dia all as specified and directed.

Gunmetal gate valve with iron wheel head screwed both ends for iron pipe of size 25mm dia all as specified and directed.

Taking down old unserviceable sluice valve 80/63mm dia and Supply and fix PN-1 sluice valve cast iron double flanged type non raising spindle with hand wheel and fixed by means of suitable bolts and nuts etc,after putting new rubber gasket etc for 100mm dia all as specified and directed.

Taking down old unserviceable sluice valve 150mm dia and Supply and fix PN-1 sluice valve cast iron double flanged type non raising spindle with hand wheel and fixed by means of suitable bolts and nuts etc,after putting new rubber gasket etc for 150mm dia all as specified and directed.

Foot Valve of size 100mm dia with GM working parts, confirming to IS-4038 all as specified and directed.

Cast Iron Non return valve 100mm dia all as specified and directed.

Water pressure gauge 7 Kgs or 10 Kgs x 100mm dia, 3/8" brass sampling cock with fittings and valve all as specified and directed.

Plain cement concrete type B2 1:2:4 (using 40mm graded stone aggregate) as in coloumns, pillars, boundary pillars and posts (including caps and bases) all as specified and directed.

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