REPAIR AND MAINTENANCE OF EXTERNAL WATER SUPPLY DISTRIBUTION LINES AT NAVAL BASE KOCHI UNDER AGE E/M NO. I

Amount

Attending any type of leakage/shortage/overflow in water supply distribution lines laid at various locations inside Kataribagh and INS Garuda area for detection of nature of defect including carry out minor repairs to make the distribution line functional complete all as specified and as directed by the 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 such as releasing air locks, clearing float valve blockages and checking any closed valves along with the supply, putting an end cap etc. If replacements 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/ Material & labour in repairs" under relevant items of this schedule here in after. (b) If leakage/shortage shall not be attended & rectified in the same day as received by the contractor except major break down, the recovery will be made @ 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 @ 2000/- per day till the distribution line functional.

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

Returning, filling in including spreading, levelling, watering and well ramming in layers n.exc. 25cm. deep with approved soil obtained from excavation complete all as specified and as directed.

Removing excavated material not exc 50m and depositing where directed at a level n. exc 1.5m above starting point complete all as specified and as directed.

Supply and laying 100mm inner dia of CPVC pipes with CPVC Sch 40 pipes & plain Sch 80 fittings and jointed with CPVC primer & solvent cement including taking down old unserviceable PVC/PP-R/ GI Tubing, laid in trenches, complete all as specified and as directed.

All as per item No 6 here-in-before, but of size 75mm dia

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

All as per item No 7 here-in-before, but of size 40mm dia

All as per item No 7 here-in-before, but of size 25mm dia

Supply and laying 75mm inner dia of CPVC pipes with CPVC Sch 40 pipes & plain Sch 80 fittings and jointed with CPVC primer & solvent cement including taking down old unserviceable PVC/PP-R/ GI Tubing, laid on wall/concealed on wall/floor complete all as specified and as directed.

Supply and fix in repairs laid on wall/concealed on wall/floor, high pressure CPVC pipes SDR-13.5 & plain CPVC SDR 11 fittings including all necessary fittings, solvents of size 50mm dia including taking down old unserviceable PVC/PP-R/ GI tubing complete all as specified and as directed.

All as per item No 11 here-in-before, but of size 40mm dia

All as per item No 11 here-in-before, but of size 25mm dia

All as per item No 11 here-in-before, but of size 20mm dia

Supply and fix in repairs CPVC ball valve of size 50mm dia suitable for CPVC pipe including necessary fittings and taking down old ball valve complete all specified and directed.

All as per item No.15 here-in-before, but of size 40mm dia.

All as per item No.15 here-in-before, but of size 25mm dia.

All as per item No.15 here-in-before, but of size 20mm dia.

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

Material and labour for cement concrete 1:3:6 type D2 using 40 mm graded stone aggregate in foundations, filling and mass-concrete complete all as specified and as directed

Supply and fix in repairs Gun metal Gate/Globe valve with iron wheel head, screwed both ends suitable for fixing with CPVC pipe of outer dia 50mm complete all as specified and as directed by the Engineer-in-charge.

All as per item No. 21 here-in-before but of size 40 mm dia.

All as per item No. 21 here-in-before but of size 25 mm dia.

Material & Labour for construction of brick masonry valve pit of size 900x900x1000mm (internal dimensions) excavation 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 including demolition of old valve pit complete all as specified and as directed.

Supply & fix in replacement 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 as directed.

All as per item No 25 here-in-before but 1000 Litres capacity.

All as per item No 25 here-in-before but 500 Litres capacity.

Supply & fix in repairs 40mm bore float valve synthetic (PVC) high pressure with polythene ball of suitable size and fly nut including taking out old unserviceable float valve complete all as specified and directed.

All as per item No 28 here-in-before but 25mm bore.

All as per item No 28 here-in-before but 20mm bore.

Cutting existing road/ hardstanding/ concrete blocks/ slabs/ brick work or stone masonry of any type by using crow bar chisel up to a depth of 30cm for laying GI pipe and making good all disturbed surfaces of road/ hardstanding/ concrete blocks/ slabs/ brick work or stone masonry upto the existing surface level by using cold mix bitumen over 200mm thick hard core of broken bricks/ stones including ramming, levelling etc complete all as specified and as directed by Engineer-in-Charge.

Supply, laying of GI pipes of 50mm dia, medium grade with all necessary fittings and fixtures for protection of CPVC pipe under road crossing including welding, connecting and taking down old unserviceable pipe of any size and type complete all as specified and as directed by Engr-in-Charge.

All as per item No 32 here-in-before, but 80mm bore.

All as per item No 32 here-in-before, but 100mm bore.

Dismantling solar water heater systems of capacity 200/300 LPD after disconnecting inlet and out let connections, emptying stored water, cleaning the solar vacuum tubes, changing required silicon washers and refixing the same, connecting inlet and outlet pipes, checking proper supply complete all as specified and as directed

Supply & fix insulated SS solar hot water tank 200 litre capacity water heater tank as per the existing make and model on ground including taking down unserviceable hot water tank complete all as specified and as directed

Supply & fix insulated SS solar hot water tank 300 litre capacity water heater tank as per the existing make and model on ground including taking down unserviceable hot water tank complete all as specified and as directed

Supply & fix silicon washer for solar vacuum tubes for as per the existing make and model on ground including taking down unserviceable washers complete all as specified and as directed

Supply & fix solar vacuum tubes for as per the existing make and model on ground including taking down unserviceable hot water tank complete all as specified and as directed

Supply & fix sacrificial anode for solar hot water tank as per the existing make and model on ground including taking down unserviceable anode complete all as specified and as directed

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

PRC ENTERPRISES (BID ID -3125874)

St George Engineering Works (BID ID -3108420)

K.V.GEORGE AND COMPANY (BID ID -3115461)

ANIE JOHN CONTRACTORS (BID ID -3101038)

MS BUILDERS (BID ID -3115521)

S. M. Enterprises (BID ID -3115320)