REPAIR AND MAINTENANCE OF EXTERNAL WATER SUPPLY PUMPING LINES, SLUICE VALVES AND CONNECTED WORKS AT KATARIBHAGH AND

Amount

Excavation in trenches not exceeding 1.5 Metre wide and not exceeding 1.5 Metre in depth and getting out in soft/loose soil for laying pipes etc, including forming bottom surface to required level complete all as specified and directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick in soft/loose soil complete all as specified and directed.

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

Taking up DI water mains 300 mm bore (including all fittings) with spigot and socket ends and, lead joints including burning out joint complete all as specified and directed.

All as per item No 4 here in above, but 250mm bore pipes.

All as per item No 4 here in above, but 200mm bore pipes.

All as per item No 4 here in above, but 150mm bore pipes.

All as per item No 4 here in above, but 100mm bore pipes.

Re-laying in trenches DI pipes of size 300mm with socket and spigot ends complete with all fittings after cleaning thoroughly and removal of all blockages by using spitted bamboos/steel rod effectively (pipe taken out/obtained from item No. 4 here as above) complete all as following size as specified and directed by Engineer-in-Charge. Note: - Rubber gasket joints/run lead joints and DI specials/fittings shall be measured and paid separately.

All as per item No 9 here in above, but 250mm bore pipes.

All as per item No 9 here in above, but for 200mm bore pipes.

All as per item No 9 here in above, but for 150mm bore pipes.

All as per item No 9 here in above, but for 100mm bore pipes.

Supplying and laying in trenches centrifugally cast (spun) ductile iron pipes of 300 mm dia suitable for pressurized water delivery with spigot & socket end, class 'K-9' conforming to IS:8329/2000 (latest version) - blast furnace slag cement with Portland cement properties suitable for (push on) rubber gasket jointing with inside cement mortar lining and black bitumen external coating, duly ISI marked in any length and testing on completion complete all as specified and directed.

All as per item No 14 here in above but of size 250mm bore pipes.

All as per item No 14 here in above but of size 200mm bore pipes.

All as per item No 14 here in above but of size 150mm bore pipes.

All as per item No 14 here in above but of size 100mm bore pipes.

Material and labour for ISI marked ductile iron socket fittings supplied as per IS: 9523/2000 of class K-12, PN-10 for pressurized water delivery with inside Cement Mortar lining and outside zinc followed by black bitumen coating for size 100mm dia to 300 mm dia such as bends, Tapers tale pieces, Tee pieces (single branch) Y junction double branch, cross collars, caps and plug set including rubber ring push on joints complete as specified and directed.

All as per item No 19 here in above but for flanged fittings.

Cutting the existing CI/ DI pipes in position for insertion of new collars/ Tees /branches/new pipes 300 mm dia CI Pipe complete all as directed at site.

All as per item No 21 here in above but of size 250mm bore pipes.

All as per item No 21 here in above but of size 200mm bore pipes.

All as per item No 21 here in above but of size 150mm bore pipes.

All as per item No 21 here in above but of size 100mm bore pipes.

Material and Labour for joint with rubber gasket joint of 300mm bore DI spigot and socketed pipes/fittings complete all as directed.

All as per item No 26 here in above but of size 250mm bore.

All as per item No 26 here in above but of size 200mm bore.

All as per item No 26 here in above but of size 150mm bore.

All as per item No 26 here in above but of size 100mm bore.

Supply and fix in replacement of 200 mm bore cast iron sluice valve with flanged ends of type PN-1.6 conforming to IS-14846:2000 with cast iron wheel and brass spindle including taking down old unserviceable one complete all as specified and directed.

All as per item No 31 above but of size 150 mm dia.

All as per item No 31 above but of size 100 mm dia.

Supply and Fix Cast iron Air release valve with two air outlets 100 mm bore and fixing up in cast iron water supply mains including taking down old unserviceable one complete all as specified and as directed.

Demolition of cement concrete (un reinforcement) in ground floors and paving not exceeding 15cm thickness, above ground level in inside the valve pits complete all as specified and directed.

Material and labour for plain cement concrete 1:3:6 type C2 (using 40mm graded stone aggregate) as in foundations filling and mass concrete complete all as specified and as directed.

Supply and laying 75mm inner dia of CPVC pipes with CPVC Schedule 40 pipes & plain Schedule 80 fittings and jointed with CPVC primer & solvent cement including taking down old unserviceable GI Tubing ,laid in trenches, complete all as specified and directed.

Supply and laying 50mm outer dia CPVC pipes SDR-13.5 & plain CPVC SDR 11 fittings, including jointed with yellow solvents cement including taking down old unserviceable GI Tubing, laid in trenches complete all as specified and directed.

All as per item No 38 here in above, but 40mm dia of pipes.

All as per item No 38 here in above, but 25mm dia of pipes.

Supply and fix, 50mm outer dia of CPVC pipes SDR-13.5 & plain CPVC SDR 11 fittings and jointed with yellow solvents cement including taking down old unserviceable GI tubing, fixed to walls /ceiling or laying in floors complete all as specified and directed.

All as per item No 41 here in above, but 40mm dia of pipes.

All as per item No 41 here in above, but 25mm dia of pipes.

Supply and fixing 75 mm bore CPVC Ball valves Suitable for CPVC pipe with necessary fittings ,including taking down old one complete all as specified and directed.

All as per item No 44 here-in-before but 50mm dia pipes.

All as per item No 44 here-in-before but 40mm dia pipes.

All as per item No 44 here-in-before but 25mm dia pipes.

Supply and fixing 25 mm bore float valve synthetic (PVC) high pressure with polythene ball of size 6" dia and fly nut including taking out old one complete all as specified and directed.

Supply and fix in replacement of 50mm bore Gun metal Gate/Globe valve with iron wheel head, screwed both ends suitable for fixing with CPVC pipe, complete all as specified and as directed.

All as per item No 49 here-in-before but 40mm dia.

All as per item No 49 here-in-before but 25mm dia.

Material & Labour for Construction of brick masonry valve pit of size 900x900x1000mm (internal dimensions) including demolition of old valve pit in any type of soil, PCC 1:2:4 type B-2 in foundation, brick work in CM 1:4, 15mm thick plastering in CM 1:4 internally and flush pointing externally, MS valve cover with 40X40X6mm size angle iron frame, 6mm thick MS sheet, 12mm dia handle, locking arrangement (including lock and two Keys) and applying two coats of synthetic enamel paint over a coat of red oxide primer to steel members & surfaces complete all as specified and directed.

Testing of water as per table 1 Organoleptic and physical parameters of IS: 10500-2012 in a Govt approved laboratory all as specified and directed. Notes: - (i) Quality of water shall be tested (routine test) and test certificate to prove the portability of water issued by a Govt approved laboratory shall be produced by the contractor. The water shall be tested for essential characteristics, Bacteriological examination for routine test as laid down in IS: 10500-2012 and conform to the requirements. (ii) Sample of water shall be taken jointly once in a month by the representative of Engineer-in-Charge and contractor from any of the pump houses of Naval Base and Kataribagh Area on the guide lines given by Engineer in Charge.

Amount of Credit Schedule shall be deducted to arrive the Contract Sum.

M/s VJ ENTERPRISES

ANIE JOHN CONTRACTORS