REPAIR AND MAINTENANCE OF EXTERNAL WATER SUPPLY DISTRIBUTION LINES AT NAVAL BASE KOCHI.

Amount

Attending any type of leakage/shortage/overflow in water supply distribution line laid at various location inside Kataribagh and INS Garuda area for detection of Nature of defect including carry out minor repair to make the distribution line functional complete all as specified and as directed by Engineer in Charge. Notes:- (a) The unit rate quoted shall be deemed to be included the elements of labour only for arresting the leakage and making the supply line functional for minor repair. If replacement of pipe /items is required to make the supply line functional/the cost of labour and material for the same shall be measured and paid as “Supply & FIX” in repair under relevant items of this Schedule herein after. (b) If leakage/shortage shall not be attended and rectified in same day as received by the contractor except major breakdown the recovery will be made at Rs 500/- per breakdown per Day and after 15 days of non-functional of any distribution line as specified for any reason, the recovery will be made at Rs 2000/- per Day till the distribution line functional.

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

Returning, refilling including spreading levelling watering and well ramming in layers not exce. 25 cm thick complete all as specified.

Removing the surplus soil to a distance not exe. 50 M and depositing where directed at a level not exceeding 1.5mtr from the starting point complete all as specified.

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 PVC/PPR/ GI Tubing ,laid in trenches, complete all as specified and directed.

Supply & Fix in replacement of 50 mm dia, high pressure CPVC pipes SDR-13.5 & plain CPVC SDR 11 fittings including all necessary fittings, solvents, laying in trenches complete all as specified and directed.

All as per item No 6, but of size 40mm dia.

All as per item No 6, but of size 25mm dia.

Supply & Fix in replacement of 50 mm dia, high pressure CPVC pipes SDR-13.5 & plain CPVC SDR 11 fittings including all necessary fittings, solvents, fixed on wall/concealed in wall complete all as specified and directed.

All as per item No 9, but of size 40mm dia.

All as per item No 9, but of size 25mm dia.

All as per item No 9, but of size 20mm dia.

Supply & Fix 50 mm dia, CPVC Ball Valve suitable for CPVC pipe including taking down old unserviceable ball valve complete all as specified and directed.

All as per item No 13, but of size 40mm dia.

All as per item No 13, but of size 25mm dia.

All as per item No 13, but of size 20mm dia.

Demolition of cement concrete in ground floors and paving not exceeding 15cm thickness, above ground level complete all as specified and directed.

Material & Labour for PCC 1:3:6, C2 (using 40mm graded aggregate) as in foundations, filling and mass concrete complete all as specified and directed.

Supply & Fixing for 50mm dia, Gun metal Gate/Globe valve with iron wheel head, screwed both ends suitable for fixing with CPVC pipe including taking old unserviceable valve complete all as specified.

All as per item No 19, but 40mm dia.

All as per item No 19, 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 1:4:8 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, 3mm 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.

Supply & Fix 2000 Litres capacity Rotational mould polyethylene water storage tanks (cylindrical vertical with closed top) hoisted & fixed in position including taking down unserviceable tank complete all as specified and directed.

All as per item No 23, but 1000 Litres capacity.

All as per item No 23, but 500 Litres capacity.

Supply & Fix in repair 40mm dia, float valve Synthetic high pressure with polyethylene ball of size 6" dia and flynut including taking old unserviceable valve complete all as specified.

All as per item No 26, but 25mm bore.

All as per item No 26, but 20mm bore.

Cutting existing road/hardstand/concrete blocks/slabs/brick work or stone masonry of any type using crow bar chisel up to a depth of 30 cm for laying GI pipe including making good the surfaces by returning filling watering ramming in layer cold mix bitumen over 200mm thick hard core of broken bricks/stones over returning filling ramming in layers not exceeding 25cm thick complete all as specified and directed by Engineer in charge.

Supply & Fixing 50 mm bore GI Pipe with all fittings/accessories, medium grade, in trenches, under road crossing for protection of CPVC Pipe etc., complete all as specified and directed

All as per item No 30, but GI pipe of 80mm bore.

All as per item No 30, but GI pipe of 100mm bore.

Amount of credit schedule will be dected to arraive the contract Sum.

ANIE JOHN CONTRACTORS

Super Constructions

SREENARAYANA ENTERPRISES

S. M. Enterprises