REPAIR/ REPLACEMENT OF EXTERNAL WATER SUPPLY PIPE LINE, VALVES, PUMPS AND CONNECTED WORKS IN MD ACCN AREA AT INS MANDOVI UNDER AGE(I) MANDOVI

Amount

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; not exc 10 sq m on plan and getting out in soft disintegrated rock complete all specified and directed.

Returning, filling in, including spreading levelling, watering and well ramming in layers not exc 25 cm in soft disintegrated rock complete all specified and directed.

Removing excavated surplus soil/ rock to a distance not exc 50m and depositing where directed at a level not exc 1.5 m above the starting point complete all specified and directed.

Taking up or down GI/ CI/ CPVC pipes and connections of following sizes, including making good distrubed surfaces and removing from site complete all specified and directed.

20 mm dia bore

25 mm dia bore

40 mm dia bore

50 mm dia bore

80 mm dia bore

100/150 mm dia bore

Supplying and laying of CPVC pipes, SDR 11 and plain CPVC SDR 11 fittings such as elbow, bend, socket, nipple, union and reducor socket etc, of following sizes, on walls/ ceiling or laying in floors complete all specified and directed.

20 mm outer dia pipe

25 mm outer dia pipe

40 mm outer dia pipe

50 mm outer dia pipe

Supplying and laying of CPVC pipes, SDR 11 and plain CPVC SDR 11 fittings such as elbow, bend, socket, nipple, union and reducor socket etc, of following sizes, in trenches complete all specified and directed.

20 mm outer dia pipe

25 mm outer dia pipe

40 mm outer dia pipe

50 mm outer dia pipe

80 mm inner dia pipe

100 mm inner dia pipe

M & L for cast iron pipes with spigot and socket ends of following sizes, vertically cast, class A, in any length, laid in trenches complete all specified and directed.

100 mm dia bore

150 mm dia bore

M & L for providing run lead joint suitable for CI pipe of 150 mm dia bore for laying of new pipe line including rectification of leakage in existing pipe line on daily complaint basis complete all as specified and directed.

M & L for providing run lead joint suitable for CI pipe of 100 mm dia bore for laying of new pipe line including rectification of leakage in existing pipe line on daily complaint basis complete all as specified and directed.

S & F in repairs gun metal, gate/ globe valve with iron wheel head, screwed both ends for unions or pipes following sizes complete all as specified and directed.

20 mm dia bore

25 mm dia bore

40 mm dia bore

50 mm dia bore

S & F in repairs brass foot valve suitable for pipes of following sizes complete all specified and directed.

40 mm dia bore

50 mm dia bore

100 mm dia bore

M & L for providing D joint with both side flange and nut bolt arrangements for cast iron pipes of following sizes including removal of old joints/ joining materials, excavation and earth work etc complete all as specified and directed.

150 mm dia bore

100 mm dia bore

S & F in repairs cast iron sluice valve of following sizes, PN 1.6, with flanged ends, ISI mark, with gun metal spindle, CI gate with brass ring and iron wheel handle with jointing material such as nuts /bolts washers and rubber insertion sheet etc complete all as specified and directed.

80 mm dia bore

100 mm dia bore

150 mm dia bore

M & L for cleaning & flushing RCC over head reservoir of capacity upto 75000 gallons at 60 feet staging, removing silt and sludge etc deposited inside the tank, cleaning entire internal surfaces of tank with bleaching powder including flushing with water, writing the capacity of tank and date of cleaning with black and white paint complete all as specified and directed.

M & L for repairing of valve chamber of any size n.exc 1.5m lengh and n.exc 1.5m wide including plastering, applying of 2 coats of white wash and provision of mild steel plain black sheet of 1mm thick and suitable size for chamber door along with grill work with angle iron complete all as specified and directed.

M & L for repairing sluice valve of any size and make, in trenches and arresting leakages including greasing and changing wornout nut & bolts complete all as specified and directed.

S & F in repairs non return valve of 150mm dia bore, CI, class PN 1.0 complete all as specified and directed.

S & F in repairs chemical dozing pump, single phase 415 volts 50 Hz, including PVC pipe of suitable size and PVC double walled container of capacity 100 ltrs complete all as specified and directed. Make :Edoze/Declibac

Supply only calcium based high strength Chlorine granule (60% to 65%), suitable for water disnfection with and including plastic drum of 45 Kg complete all as specified and directed. Make - Puri Chlor (Shree Rayal Seema Hi-strength Hypo Ltd) or equivalent

M & L for preparation including cleaning and brushing CI/ GI pipe surfaces and fittings of 40 mm to 150 mm dia, laid in open surface/ walls at pump houses and applying two coats of super enamelled black paint complete all as specified and directed.

M & L for providing bends (any type, radius and angle), tapers any type (straight, bend, increasing, decreasing or double socket etc), tee pieces single branch, "Y" junction, double branch, cross (all sockets and spigot), collars, caps and plug etc suitable for CI pipes upto 150mm dia including taking down unserviceable bends complete all as specified and directed.

M & L for disconnecting electric connection, pipe connection and taking out submersible pump & motor of capacity upto 10 HP from bore well and taking to workshop for repair and removing burnt winding wire from motor and rewinding with new PVC insulated copper winding wire of same guage and weight as existing including replacement of motor bush, thrust plate, coupling etc complete with key and reassembling the motor and lowering it into bore well making it functional and testing complete all as specified and directed.

M & L for disconnecting submersible pump from electric motor of cap upto 10 HP and taking it to work shop for repair and replacement of unserviceable parts such as gun metal bush impeller, assembly shaft, locking key and MS nuts & bolts of existing size and reassembling the pump with motor and making it functional and testing the pump to the entire satisfaction of Engr-in charge complete all as specified and directed.

SANTOSH CONSTRUCTION

M/s.GOODWILL ELECTRICALS

Sagar Constructions