REPAIR AND MAINTENANCE OF EXTERNAL WATER SUPPLY PUMPING LINES, VALVES ETC AT SFNA, NAY, GARUDA, INS GARUDA SMA AND OTHER OTM ACCOMMODATION INCLUDING REPAIRS AND MAINTENCE OF SOLAR WATER HEATER INSTALLED AT CERTAIN LOCATION AT NAVAL BASE KOCHI

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 200 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 150mm bore pipes.

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

Re-laying in trenches DI pipes of size 200mm 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 7 here in above, but for 150mm bore pipes.

All as per item No 7 here in above, but for 100mm bore pipes.

Supplying and laying in trenches centrifugally cast (spun) ductile iron pipes of 200 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 including taking down old unserviceable CI pipe and testing on completion, complete all as specified and directed.

All as per item No 10 here in above but of size 150mm bore pipes.

All as per item No 10 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 250 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 13 here in above but for flanged fittings.

Cutting the existing CI/ DI pipes in position for insertion of new collars/ Tees /branches/new pipes 150 mm dia CI Pipe complete all as directed at site.

All as per item No 15 here in above but of size 100mm bore pipes.

All as per item No 15 here in above but of size 200mm bore pipes.

Material and Labour for joint with rubber or fibre bored gasket of 150mm bore cast iron/DI flanged pipes/fittings complete all as directed.

All as per item No 18 here in above but of size 100mm bore.

All as per item No 18 here in above but of size 200mm bore.

Material and Labour for joint with rubber gasket joint of 100mm bore DI spigot and socket pipes pipes/fittings complete all as directed.

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

All as per item No 21 here in above but of size 200mm 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 24 above but of size 150 mm dia.

All as per item No 24 above but of size 100 mm dia.

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 & Labour for plain Cement concrete 150mm thick 1:2:4 type B2 (using 40mm graded aggregate) including finishing cement concrete surface even & smooth without using extra cement, complete all as specified and directed.

Material & Labour for Construction of brick masonry valve pit of size 1200x1200x1000mm (internal dimensions) including demolition of old valve pit in any type of soil, PCC 1:4:8 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.

All as per item No 29 above but of brick masonry valve pit of size 900x900x1000mm (internal dimensions).

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 32 here in above, but 40mm dia of pipes.

All as per item No 32 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 35 here in above, but 40mm dia of pipes.

All as per item No 35 here in above, but 25mm dia of pipes.

All as per item No 35 here in above, but 20mm 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 39 here-in-before but 50mm dia valves.

All as per item No 39 here-in-before but 40mm dia valves.

All as per item No 39 here-in-before but 25mm dia valves.

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 43 here-in-before but 40mm dia.

All as per item No 43 here-in-before but 25mm dia.

Supply and fixing in replacement of 2000 litre capacity Rotational mould polyethylene water storage tanks( ISI marked) (cylindrical vertical with closed top) hoisted & fixed in position complete all as specified and directed

All as per item No 46 here-in-before but 1000 Litre capacity.

All as per item No 46 here-in-before but 500 Litre capacity.

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.

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

ANIE JOHN CONTRACTORS