REPAIR AND MAINTENANCE OF EXTERNAL WATER SUPPLY PUMPING LINES, SLUICE VALVES AND CONNECTED WORKS AT KATARIBHAGH AND 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 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. 5 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 including taking down old unserviceable CI pipe 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.

Repairing/replacing gland packing, nut bolts etc of sluice valve to make it leak proof for 300mm bore sluice valve, complete all as per specified.

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.

Material and Labour for joint with rubber or fibre bored gasket of 300mm bore cast iron/DI flanged pipes/fittings complete all as directed.

All as per item No 31 here in above but of size 250mm bore.

All as per item No 31 here in above but of size 200mm bore.

All as per item No 31 here in above but of size 150mm bore.

All as per item No 31 here in above but of size 100mm bore.

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

All as per item No 36 here in above but of size 250mm bore.

All as per item No 36 here in above but of size 200mm bore.

All as per item No 36 here in above but of size 150mm bore.

All as per item No 36 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 41 above but of size 150 mm dia.

All as per item No 41 above but of size 100 mm dia.

All as per item No 41 above but of size 80 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.

All as per item No. 45 here in above but of size 80 mm bore.

Demolition of valve pits made of brickwork or stone/boulder masonry built in cement mortar including all arches, pillars etc but excluding ashlars facings, dressed stonework and precast concrete article complete all as specified and 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.

Dismantling mild steel plate / cross arms of any thickness of having any weight complete all as specified and directed.

Material & Labour for plain Cement concrete 100mm 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 Brickwork with sub-class 'B' bricks, straight or curved on plan exceeding 6m mean radius, built in cement mortar of 1:6 complete all as specified and directed.

Material & Labour for Rendering 15 mm thick on fair faces of brick work or concrete surface, including even & smooth finish (without using extra lime or cement) using cement plaster of 1:4 complete all as specified and directed.

Supply and fixing of chequered plate Fe-410W (Grade- E250), square cut forming holes without any attachment quality B class for covering of valve pits of suitable hinges handles and locking arrangements by fabrication work all as directed at site and inclusive of one primer coat, one under coat and one finishing coat of black paint complete all as specified and directed.

Material and Labour for cross arms, bracing, supports clamps and back plate fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size indicated or directed and inclusive of one primer coat one under coat and one finishing coat of synthetic enamel paint (Blue colour) complete all as specified and as directed.

Material and Labour for preparation of new or previously untreated surfaces of walls and applying two coats of cement base paint over a coat of primer 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 57 here in above, but 40mm dia of pipes.

All as per item No 57 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 60 here in above, but 40mm dia of pipes.

All as per item No 60 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 63 here-in-before but 50mm dia pipes.

All as per item No 63 here-in-before but 40mm dia pipes.

All as per item No 63 here-in-before but 25mm dia pipes.

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 67 here-in-before but 1000 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.

Supply and fixing 40 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 71 here-in-before but 40mm dia.

All as per item No 71 here-in-before but 25mm dia.

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.

MANU CREATIONS

ANIE JOHN CONTRACTORS

K.V.GEORGE AND COMPANY