ADDITION/ALTERATION OF WATER SUPPLY SYSTEM FOR DSC PLATOONS, ADMIN BLDG AND ALLIED WORKS AT NAD ALWAYE

Amount

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for foundation, laying of pipes, cables, etc, or for shafts, wells, cesspits, manholes, pier holes, etc, not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out soft/loose soil complete all as specified and directed.

Returning filling in including spreading, leveling watering and well ramming in layers not exceeding 25cm complete all specified and directed.

Removing excavated material not exceeding 50 Metre and depositing where directed at a level not exceeding 1.5 Metre above the starting point complete all specified and directed.

Supply and laying of CPVC Schedule 80 pipes & plain CPVC Schedule 80 fittings laid in trenches, fixed to walls/floors and jointed with CPVC primer & solvent cement for 75 mm inner dia including dismantling old one complete all as specified and directed.

Supply and laying of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches for 50 mm outer dia bore complete all as specified and directed.

Ditto all as per Sl No 5 but for 40 mm dia.

Ditto all as per Sl No 5 but for 25 mm dia.

Supply and laying of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors of 25 mm dia complete all as specified and directed.

Ditto all as per Sl No 8 but for 20 mm dia.

Supply and fix Cast iron body sluice valve heavy duty class 1.6 PN flanged end with head wheel & brass spindle ISI marked confirming to IS 14846 of 2002 for 150 mm bore pipe with jointing material flanged joint rubber gasket 6 mm thick nuts, MS nut & bolt washer 10 mm complete all as directed by Engineer-in-Charge.

Ditto all as per Sl No 10 but for 80 mm dia bore.

Supply and fixing upto 150mm dia bore DI/CI special such as bends, tees collars tail pieces confirming to IS-9523 flanged type complete all as specified and directed

Supply laying and testing ductile iron pipe 150 mm bore spigot class K-9 as per IS-8329 with inside cement lined complete with Flanged end joints all as specified and directed by Engineer-in-Charge. (Note:Earth work for route change/joints shall be measured and paid for separately).

Supply and laying and testing 150mm dia GI Tubes, medium grade, with all fitting and fixed complete to walls and ceilings or laid in floors all as specified and directed.

Supply & Fix 500 litres capacity Rotational moulded polyethylene water storage tanks (ISI marked) (Cylindrical vertical with closed top) hoisted & fixed in position complete all as specified and as directed.

Ditto all as per S iteml No 15 but for 1000 litres capacity.

Supply and fix Ball brass valves, high pressure 25mm with polythene float and fly nut, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed.

Ditto all as per Sl item No 17 but for 20 mm dia bore float valve

Material & Labour for PCC 1:2:4 type B1 (using 20mm graded stone aggregate) as in road cutting, supporting of pipes etc including all formwork if necessary complete all as specified and directed.

Supply and fixing CPVC Ball Valve outer diameter 20 mm screwed both ends or flanged both ends including taking out existing unserviceable gate valve complete all as specified and directed.

Ditto as per item No. 20 but outer diameter 25 mm.

Ditto as per item No. 20 but outer diameter 40 mm.

Ditto as per item No. 20 but outer diameter 50 mm.

Cutting of existing CI/DI Pipe line of up to 150mm bore in position for inserting CI/DI Special such as tees, bend, collar, tail piece etc for fixing of sluice valves/ for branch connection etc, complete all as specified and directed.

Material and labour for 300mm bore 6 mm thick mild steel pipe line header and length not less than 3 metre having 3 incoming & 4 outgoing including tail pieces of 50/80/100/150 mm dia with one end flanged & other end welded to the main heads flanged of standard size and thickness as per ISI, The header spill have blanking plates on both ends welded with main headers and the header shall be duly fixed on PCC blocks (1:3:6) type C1 complete all as directed by Engineer-in-Charge. Note: PCC Pillars shall deem to be included in the quoted rate.

Material and labour for connection of existing pipe line with header, header to OHT supply line & outgoing pipes with header including MS/GI Flanges 150 mm dia - 13 Nos, Flanged bends of 150mm dia - 08 Nos, Tee 150 x 150 x 150mm - 02 No along with nut bolts, washers, packing materials, welding work etc complete all as specified and directed

Material & Labour for construction of 20mm thick block masonry valve pit built in cement mortar 1:6 of size 110cm x 110 cm x 105 cm (internal dimension) over 15 cm thick PCC 1:3:6 type C2 sub base extended around 15 cm beyond external edge of block work including plastering 15 mm thick in cement mortar 1:4 internally and pointing to block wall surfaces externally as work proceeds complete with MS Sheet cover 10 SWG with handle, angle iron frame 40mm x 40mm x 6mm (grouting with anchor fasteners length not less than 15 cm - 04 Nos) Locking arrangement and two coats of synthetic enamel painting over a coat of primer complete all as specified and directed. (Rate quoted by the tenderer shall deem to be included the cost of excavation and earth work, returning & filling).

Supply and fixing CPVC Flange inner dia 75 mm complete all as specified.

Supply and fixing CPVC Flange outer dia 50mm complete all as specified.

Supply & Fix Cast iron Air Valves with two air outlets, 50 mm dia bore and fixing up in cast iron water supply mains complete all as specified and directed.

St George Engineering Works

ANIE JOHN CONTRACTORS

THOMSONS CONSTRUCTIONS

M/s S & S Enterprises/ Suresh Shivasankarapillai

KENZ CONSTRUCTIONS