REPAIRS TO EXTERNAL WATER SUPPLY, PIPELINE, PUMP SET AND CLEANING OF BOREWELL ETC AT TS AVADI UNDER AGE(I) NAVY CHENNAI

Amount

Supply and laying in repair in trenches steel water tubing 25 mm dia,medium grade, galvanized including all fittings and taking up or down existing tubing with all connections for taking into credit, complete all as specified and as directed.

All as per Sl item No. 01 above but for 40mm dia

All as per Sl item No. 01 above but for 50mm dia

Supply and fixing in repair steel water tubing 25mm dia,medium grade, galvanized including all fittings, on walls, ceilings or laid in floors, and taking up or down existing tubing with all connections for taking into credit, complete all as specified and as directed.

All as per Sl item No. 04 above but for 40mm dia

All as per Sl item No. 04 above but for 50mm dia

Supply and fix, in repair gun metal gate valve, 25mm dia, with iron wheel head confirming to IS 778 class I, screwed both end for iron pipe and removing unserviceable gate valve, complete all as specified and directed.

All as per Sl item No. 07 above but for 40mm dia

All as per Sl item No. 07 above but for 50mm dia

Taking out the old unservicable sluice valve and supply and fix CI Sluice Valve Class PN 1.6 100 mm dia conforming to IS 780 with flanged and drilled ends and of any pattern including necessary jointing and jointing materials complete (with rubber gasket, bolts and nuts etc., ) all as specified an as directed.

Removing unserviceable foot valve/ check valve of 40mm dia from the suction pipe of the pump set, supply and fix New check valve, heavy duty of gun metal, both ends threaded and end leaf spring loaded vertical type, complete all as specified and directed.

All as per Sl item No. 11 above but for 50mm dia

Flushing the bore well of size 150mm dia, 60 metre deep by means of Air compressor of capacity not less than 650 CFM at 150 PSI pressure for not less than four hours till the clear vwater comes out.

Repairs to 5 HP capacity electric driven centrifugal pumpset, replacement of spares in the existing position complete all as specified and directed. Make: Kirloskar/ Ventura/ Suguna/ Tulu (Note: Rewinding and supply of Spares will be paid under seperate items here in after)

Rewinding of motor starter coil complete as per IS-396 of 1953 using super enamelled copper wire of same gauge.

Supply only Ball bearing (drive and non dirve end)

Supply only Electrodynamically balanced bronze impeller.

Supply only Gunmetal bush.

Repairs to 5 HP capacity submersible pumpset,3 Phase, 440 volts including replacement of spares complete all as specified and directed. Make: Kirloskar/ Ventura/ Suguna/ Tulu (Note: Rewinding and supply of Spares will be paid under seperate items here in after)

Rewinding of motor stator coil complete as per IS-396 of 1953 using super enamelled copper wire of same gauge.

Supply only Stainless steel shaft

Supply only Ball bearing

Supply only Stainless steel bush

Supply only Water seal

Supply only Submersible cable 3 core, copper stranded 2.5 sqmm flat type

Lifting of pumpset from bore well 76 metres deep and lowering into borewell after repair

Supply and replacement of DOL Starter 3 phase, 440 Volts with relay range up to 10 HP, including taking down old unservicable one, complete all as specified and directed.

Supply and replacement of star delta starter, open execution type with single phase protection and relay range from 13 – 32 Amps, 3 Phase, 440 Volts including taking down old unservicable one, complete all as specified and directed.

Supply and fix Ammeter size 96 mm square type, range 0 to 60 Amps and dismantling the existing unserviceable ammeter from the panel board complete all as specified and directed.

Supply and fix voltmeter size 96 mm square type range 0 to 500 volts and dismantling the existing unserviceable voltmeter from the panel board complete all as specified and directed.

Supply and fix CI fitting for spigot & socketed pipe up to 150 mm bore having bends 9 any type, radius and angle, tapers any type, Staright, bend, increasing, decreasing or double socket etc , Tee pieces, single branch , "y" Junction, double branch, cross all sockets or socket and spigot collars, caps and plugs, complete all as specified and as directed. Make :Electro steel/ Kejriwal/NECO/Kesoram

Material and labour for running lead joint for 100 mm dia CI pipe including spun yarn and other accesories, complete all as specified and as directed.

Taking up cast iron water mains (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead

Material and labour for cast iron pipes 100mm bore, with spigot ends centrifugally cast, Class LA, in any length, laid in trenches, including taking out old unserviceable pipe, complete all as specified and as directed. Make :Electro steel/ Kejriwal/NECO/Kesoram

Material and labour for preparation of old painted surfaces of LT panels and spray painting with two coats of synthetic enamel paint complete all as specified and directed.

Material and labour for preparation of old painted surfaces of pipe lines and accessories like pump and motor along with panels of pump house and spray painting with two coats of synthetic enamel paint complete all as specified and directed.

Cleaning and removing of sludge/mud from the sump, 6 mtr dia and 6 mtr depth including making necessary arrangement as required and removing the mud from the site to the place as directed by the Engr-in-Charge.

Cleaning and removing of sludge/mud from overhead reservoir 25 feet staging, 3000 GLNS including making necessary arrangement as required and removing the mud from the site to the place as directed by the Engr-in-Charge.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m 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 not exceeding 25cm obtained from excavation complete all as specified and as directed.

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

Sri Sankar Enterprises

Mariammal Constructions