REPAIR/MAINT OF EXTERNAL WATER SUPPLY PIPES AND FITTINGS AND CONNECTED WORKS AT INS DRONACHARYA UNDER GE FORT KOCHI

Amount

Excavation in trenches not exc. 1.5m wide and n. exc. 1.5m in depth and getting out in soft and loose soil for laying of pipes complete all as specified and as directed

Returning, filling in including spreading, levelling watering and well ramming in layers not excluding 25 cm in any type of soil, all as specified and as directed.

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

Removing of interlock /bricks /tiles for detecting leakages and relaying the same after work all as specified and as directed.

Material and Labour for cutting/ dismantling of bitumen road/ RCC floor etc. for laying/ passing underground pipes up to 30cm depth complete all as specified and as directed.

Material and labour for PCC 1:2:4 type B-2 using 40 mm graded stone aggregate 100mm thick in cutted/ dismantled portion of road and making good after laying/ passing the pipes complete all as specified and as directed.

Taking up or down steel tubing and connections of size 20mm dia, including cleaning for refixing, removal to store or credit to contractor complete all as specified and as directed.

`-Ditto-all as per item No 7 above but of size 25mm dia

`-Ditto-all as per item No 7 above but of size 40/50mm dia

`-Ditto-all as per item No 7 above but of size 62.5mm dia

`-Ditto-all as per item No 7 above but of size 80mm dia

`-Ditto-all as per item No 7 above but of size 100mm dia

Supply, laying and connection of CPVC SDR 11 pipes and plain SDR 11 fittings of outer dia 25mm bore complete all as specified laid in trenches including testing complete all as specified and as directed.

`-Ditto-all as per item No 13 All as per above but of size 50mm dia.

`-Ditto-all as per item No 13 above but CPVC Schedule 80 pipes & plain CPVC schedule 80 fittings of size inner dia 62.5mm

`-Ditto-all as per item No 16 above but of size 25mm dia

`-Ditto-all as per item No 16 above but of size 50mm dia

Supply, laying and connecting 25 mm bore ISI marked, GI tubing medium grade, galvanised with all fittings laid in trenches complete all as specified and as directed

`-Ditto-all as per item No 19 above but of size 40mm dia

`-Ditto-all as per item No 19 above but of size 50mm dia

`-Ditto-all as per item No 19 above but of size 80mm dia

`-Ditto-all as per item No 19 above but of size 100mm dia

Supply and laying 3-layer PP-R Polypropylene random copolymer) pipes of outer dia 50 mm SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc, all as specified and as directed.

Supply and laying in trenches or on pedestal wherever required , jointing, testing and commissioning of ISI marked un-plasticised PVC pipes of pressure rating 10 Kgf/cm2 of 25mm outer dia all as specified and as directed.

`-Ditto -all as per item No 25 above but 40 mm outer dia

`-Ditto -all as per item No 25 above but 80 mm outer dia

Supply and laying in trenches, connect, joint, test and commission of 150 mm dia bore Ductile Iron Pressure Pipes, Centrifugally Cast [Spun], Class "K-7" with Socket and Spigot ends conforming to IS - 8329 in standard lengths suitable for Push-On Rubber Gasket Jointing with inside mortar lining and black bitumen external coating complete including taking down old unserviceable pipes all as specified and as directed.

Supply and laying in trenches, connect, joint, test and commission of 200 mm dia bore cast iron pipe with spigot and socket ends centrifugally cast class B in any length laid in trenches complete including taking down unserviceable pipes all as specified and as directed.

`-Ditto -all as per item No 29 above but 100mm bore

Supply and fix in repairs gun metal gate valve 25mm dia with iron wheel head, screwed both ends for iron pipe fixed, all as specified and as directed.

`-Ditto -all as per item No 31 above but of size 40mm dia

`-Ditto -all as per item No 31 but of size 50mm dia

Supply and fix in repairs CPVC Ball valve with PVC handle of outer dia 50mm dia, all as specified and as directed.

`-Ditto -all as per item No 34 above but of size 40mm dia

`-Ditto -all as per item No 34 above but of size 25mm dia

`-Ditto -all as per item No 34 above but of size 20mm dia

Supply and fix in repairs cast iron butterfly valve 100mm dia screwed both ends for iron pipe fixed complete all as specified and as directed.

`-Ditto -all as per item No 38 above but of size 50mm dia

Supply and Fix in repair CPVC flanges of outer dia 50 mm dia complete all as specified and as directed.

`-Ditto -all as per item No 40 above but of size inner dia 62.5mm

Material and labour for CID joints of 80/100/150 mm dia all as specified and as directed.

`-Ditto -all as per item No 44 above but of 200/250 mm dia

Material and labour for caulking of lead joints, with lead wool at places of leakages from the pipe and arresting leakages in line up to 200 mm bore of pipe, complete all as specified and as directed.

Material and labour for Run Lead joint confirming to IS specifications for cast iron pressure pipes up to 200 mm bore pipe including taking down of old lead complete all as specified and as directed.

Material and labour for greasing/ tightening/ levelling/ alignment/ checking of wire connection of pump set of capacity up to 20 HP all as specified and as directed.

Material and labour for repair, dismantling and taking up CI Foot Valve, 100/80/65/50 mm bore from suction, opening, cleaning with wire brush, removing deposited scales / foreign materials, rubbing with emery paper and renewing unserviceable Gasket, Bolts, Nuts, Washers and Worn-out Parts etc. and re-fixing in original position complete all as specified and as directed.

Supply and fix in repairs 100mm dia CI foot valve including necessary connections complete all as directed.

`-Ditto -all as per item No 50 above but of 80mm dia

`-Ditto -all as per item No 50 above but of 65mm dia

`-Ditto -all as per item No 50 above but of 50mm dia

Material and Labour for Cleaning of valve chamber of size up to 1200 X 1200 X 1200 mm by pumping out waste waters, removing debris from the chamber including white washing of chamber and painting valve chamber cover by applying one coat of black coloured weather proof synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and as directed.

Material and labour for cutting of DI/CI/GI/HDPE pipes of size 200/150/100/80mm bore during arresting leakages/taking connection/insertion of specials complete at any location complete all as specified and as directed.

Material and labour for CI bends (any type, radius and angle) tapers any type (straight, bends, increasing, decreasing or double socket etc.) Tee pieces single, brand Y junction, double branch, cross (all socket and spigot) collars, caps and plugs up to 150 mm bore pipes complete all as specified and as directed.

Material and Labour for CI bends (any type, radius and angle) tapers any type (straight, bends, increasing, decreasing or double socket etc.) Tee pieces single, brand Y junction, double branch, cross (all socket and spigot) collars, caps and plugs200 to 250mm bore pipes complete all as specified and as directed

Supply and fixing in repairs 25 mm dia Ball valve brass (float valve), high pressure with polythene float and fly nut complete screwed for iron/CPVC/UPVC pipe complete all as specified and as directed.

Supply and fix rotational moulded polyethylene water storage tank 2000 ltr capacity (vertical cylindrical with closed top) including hosting, fixed in position and connecting including taking up or down old PVC water storage tank all as specified and as directed.

`-Ditto- all as per item No 60 above but of 1000 ltr capacity

`-Ditto- all as per item No 60 above but of 500 ltr capacity

Material and labour for Mild steel, plain, black sheet 1.6mm thick in wall cladding, steel gates and similar works, cut to size, holes punched, including round headed screws, clout nails or rivets and fixed to steel framing with plain 40mm lap joints with riveted or welded seams, including bending or turning up, mitred angle etc. as required complete all as specified and as directed for valve chamber cover including dismantling of old corroded MS cover, all as specified and as directed.

Material and labour for applying two coats of synthetic enamel paint over a coat of red oxide primer including preparation of surface complete all as specified and as directed.

Material and labour for plain cement concrete 1:2:4, nominal mix, type B-2 using 40mm graded crushed stone aggregate as in foundation, filling and mass concrete etc. including use and waste of formwork as required/ ordered, complete all as specified and as directed.

Taking out gun metal spindle from sluice valve of size 80mm bore and re-fixing the same in position after carrying out necessary repair works including re-metalling/ re-facing/ regrinding work etc. complete all as specified and as directed.

`-Ditto-all as per item No 66 above but of size 100mm bore

`-Ditto-all as per item No 66 above but of size 150mm bore

`-Ditto-all as per item No 66 above but of size 200mm bore

`-Ditto-all as per item No 66 above but of size 300mm bore

Supply and fix HDPE water tank covers threaded type suitable for 500 ltr capacity with locking arrangement complete all as specified and as directed.

`-Ditto-all as per item No 71 above but of 1000 ltr capacity

Supply and fixing brass pressure reducing valve of size 25mm screwed in bonnet spring loaded suitable for Inlet pressure P1(bar) : 16 barg and outlet pressure : P2 Range (Bar) 1:6, body test pressure : 16barg Hyd. (232Psig. Hyd.) complete all as specified and as directed

`-Ditto-all as per item No 73 above but of size 50mm dia

`-Ditto-all as per item No 75 above but of size 100mm dia

GOLDEN EYE BUILDERS (BID ID -3463954)