REPAIR REPLACEMENT OF UNSERVICEABLE LOFT TANK AND CLEANING OF LOFT TANKS AND ALLIED WORKS AT NEW NAVY NAGAR AREA OF GE NW NAVY NAGAR COLABA MUMBAI

Amount

Cleaning of underground sump of any capacity cleaning the floors, wall and ceiling portion of sump etc by Mechnical high pressure spray and steel wire brush to remove Algae/dirt/foreign dirt completely and soaking out the water/dirt with a high pressure wet vaccum pump and removing spoils out side of MD land at a distance exc 5 Kms & n.exc 10 Kms and applying spray of approved chemical etc. complete all as specified and as directed by Engineer-in-charge . Note :- Rates deemed to be included for pumping out water left below foot valve.

Sump capacity ranges from 0.5 LG to 1 LG

All as per item No 1.00 above but PVC over head tank at any location and of any capacity in highrise buildings

OHT capacity ranges from 3000 ltrs to 5000 ltrs.

All as per item No 1.00 above but RCC over head tank at any location and of any capacity in highrise buildings

OHT capacity 10000 ltrs. Note: Rate is deemed to be inclusive of marking painting with two coats of synthetic enamel paint black colour( UG sump) of size 50x100cm and 30x50cm(on RCC/PVC OHT) including writing following in white synthetic enamel paint, letters not exceeding 80mm in width all as specified & directed :- (a) Size of sump/Tank (b) Capacity of sump/tanks in Gallons (c ) Due date of cleaning (d) Date of cleaning

Cleaning the vegetation including grass, bushes small trees and all vegetation growth complete including digging out the root of bushes and small trees around the installation/sump/OH reservoir, valve chamber etc. filling the rough holes with earth and levelling the surfaces by removing all debris to a distance n.exc.50m complete all as specified and directed.

S &F in repairs FRP lid cover for PVC water storage tank complete accessories for closing and locking arrangement suitable for 3000 - 5000 ltrs capacity as approved by BMC.

All as per item No. 5.00 above but for PVC water tanks of 500-2000 ltrs capacity

Cleaning of loft tanks of capacity 270 to 275 ltrs in existing position by mechanised pressure,cleaned by using the remedical drinking water PVC tank cleaning solution and soaking out the water by wet vaccum pump and providing sticker showing the date of cleaning complete all as specified.

Supply and fix in repairs PVC (LLDPE) rectangular loft tank with lid of net capacity 275 litres with gross capacity of tank at least 5 percent in excess of minimum net capacity including 03 Nos adaptor with water for inlet / outlet overflow as per manufacturer instruction and over all dimension as 995-1200 mm length, 620-820mm width, 285-485mm height, 300mm internal dia of hand hole, minimum wall thickness 2.75mm, complete all specified and directed by Engineer-in-Charge. Note :- The weight of tank shall not be less than 11.0 Kg excluding lid.

Supply and fix in repairs PVC profile suitable for 270 ltrs loft tank including fixing of aluminium channel around the profile complete all as specified and directed.

Supply and fix in repairs stop cock, brass, screwed down with crutch or butterfly handle suitable for GI tubing 15 mm dia bore including necessary clamp & saddles all as specified.

Supply and fix in repairs bib cock, brass with crutch or butterfly handle screwed both ends for GI tubing 15 mm dia bore including necessary clamp & saddles etc all as specified.

Supply and fix in repairs brass float valve (ISI marked) high pressure with (flat) and fly nut complete screwed for GI pipe 15mm bore including necessary GI fittings such as elbow, reducer, nipple etc.

Supply and fix in repairs brass float valve (ISI marked) high pressure with float (flat) and fly nut complete screwed for GI pipe 25mm bore including necessary GI fittings such as elbow, reducer, nipple etc.

Supply and fixing in repair MS structural steel for staging of water tanks and the like including clamps, bases, splices etc built up from two or more beam or channel sections or angles with plates including all lattice bars, stiffeners, gusset plates etc Fe 410-W (Gde E-250) quality a including painting with two coats of synthetic enamel paint of approved shades over a coat of red oxide primer. Note : (i) The size of iron section shall be as ordered by the Engineer-in-Charge. (ii) Cost of making necessary holes in wall, making good the disturbed surfaces using cement and sand mortar 1:6 for fixing iron section is deemed to be including in the rate quoted.

S&F in repair MS plate cover 5mm thick of valve chamber, over head tank, including necessary fabrication work with hinges, handle and applying two coats of synthetic enamel paint over one coat of metal primer complete all as specified.

Disconnecting LT cables of various sizes from electric motor of different capacites and decoupling from the pumping sets. Removing and taking down carefully and transporting to authorised workshop for rewinding. Strip opening and dismanting complete rotor and stator assembly. Cutting and taking out old burnt copper winding from the stator assembly and cleaning the slots of stator with carbon tetra chloride solution. Material and labour for rewinding, complete stator assembly with and including super enamelled copper winding, wire of suitable gauge matching with existing. Applying the minimum two coats of insulation varnish and keeping the stator assembly in heating chamber to improve for insulation value. Assembling the motor, transporting to site of work, coupled with the pumping set, alignments properly, connecting the LT cables and commissioning complete of the following capacity of Electric motors :-

150 HP capacity

100 HP Capacity

75 HP Capacity

60 HP capacity

Supply and fix in repair/replacement three pole power contactor type MNX 70,3 phase, 415V, 50 Hzs. Make: L&T/Siemens/Hammer cuttler

Supply and fix in repair/replacement three pole power contactor type MNX 95,3 phase, 415V, 50 Hzs. Make: L&T/Siemens/Hammer cuttler

Supply and fix in repair/replacement three pole power contactor type MNX 110,3 phase, 415V, 50 Hzs. Make: L&T/Siemens/Hammer cuttler

Supply and fix in repair/replacement three pole power contactor type MNX 140,3 phase, 415V, 50 Hzs. Make: L&T/Siemens/Hammer cuttler

Material and labour for earthing complete with galvanized steel earth plate electrode 600 X 600 X 6 mm thick buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of the plate not less than 1.5m below normal ground level connected to galvanized earth strip 25 X 4mm by means of bolts, nuts and washers of galvanized iron or steel upto the test point all as shown in electrical plate No.3 of SSR Part-I connected to existing earth strip including PCC earth pit with CI cover, GI funnel with wire mesh, GI protection pipe of 40 mm dia for earth lead 7.5m length and 20mm GI pipe for watering, excavation and earth work in any type of soil, filling the pit with charcoal and common salt surrounding the earth plate complete all as specified and directed by Engr-in-Charge including testing on completion. Note :- Cost of strip upto 7.5m long galvanised earth lead 25x4mm size & PCC earth pit to be casted on the PCC base of 75cmx75cmx40mm is deemed to be included in the quoted rate.

Supply and fix in replacement of Aluminium Strip of size 25x 3.15mm thick with saddles and fixing screws etc for roof conductors and down conductors above ground all as specified and directed

ORIENT ELECTRIC CO

Unity Enterprises

DHARMESH ENTERPRISES

Rama Construction Co

SHREE JAGDISH FURNITURE CO.