COMPREHENSIVE MAINTENANCE OF EM ITEMS AND REPAIR/REPLACEMENT OF EXISTING OLD RUSTED WATER SUPPLY AND LT PANEL AT ASC (CIV GT) AT IMTRAT UNDER GE (AF) HASIMARA

Amount

Taking down copper/aluminium point wiring (light, fan, socket or power) complete, including fixture and fittings such as switches, ceiling roses, pendants, regulators, sockets, light fitting etc. removing materials to store for keeping in safe custody or for taking credit (credit for above items should be made as per conditions separately) and making good disturbed surfaces of walls, floors, etc complete all as specified and directed.

Taking down unserviceable main switches, DBs, bus bars chambers including all fittings and fixtures such as MCBs, isolator, etc and removing from site complete all as specified and directed.

Taking down unserviceable sub-main wiring with rigid steel conduits/PVC casing-caping including cutting chases for conduits and making good disturbed surfaces complete all as specified and directed.

M & L for Point wiring with 1.5 Sqmm (nominal area), FRLS PVC insulated, multistranded, single core, unsheathed, copper conductor cables drawn through and including PVC conduits with all fittings and accessories of PVC conduits (like Tee, bend etc.) complete fixed to walls/ceiling etc. with and including 1.5 Sqmm (nominal area) FRLS PVC insulated, unsheathed, stranded, single core, copper cable green in colour as in earth continuity wire connecting to common earth point including concealed pressed steel terminal box of required size factory made with top cover of ISI marked plastic laminated sheet of required colour for mounting switches, sockets, regulators etc complete for one light/fan/bell/buzzer point controlled by one, one way switches including cutting chases and making good the disturbed surface to match with the existing complete all as specified and directed by the Engr-in-Charge.

All as per item No. 4 above but one 5 Amps 3/5 pin switch socket outlet on the same board with other switches complete all as specified and directed.

All as per item No. 4 above but one 5 Amps 3/5 pin, Switch socket combination on independent board complete all as specified and directed.

All as per item No. 4 above but wiring with cables of size 2.5 sqmm & cables of size 2.5 sqmm as continuous earth wire for one 5/15 Amps Switch socket combination on Independent board complete all as specified and directed.

Cutting chases, pinning in, making good to facings where required and pointing in cement mortar 1:3 to ends or edges of landings, steps, cills, sunshades, shelves, lintels, etc.; and cutting chases for concealed water tubing or concealed conduit wiring, etc., and making good, cutting exc 10 cm but n.exc 20 cm girth complete all as specified and directed.

S & F Switch piano, flush type, 5 Amps, single pole, one way, 240 Volts complete all as specified and directed.

S & F Ceiling rose, 3 Terminal, PVC/polycarbonate, isolated body complete all as specified and directed.

S & F Modular Socket, 6A - 2/3 pin combined 2 module, complete all as specified and directed.

S & F Switch socket combination 2 in 1, 5 pin, 6 Amps, flush type, 240 volts complete all as specified and directed.

S & F Switch socket combination 2 in 1, 6 pin, 6/16 Amps, flush type, 240 volts complete all as specified and directed.

S & F angle lamp holder, insulated body with back plate suitable for batten fittings complete all as specified and directed.

S & F Exhaust fan, heavy duty, 250 mm sweep, 1400 rpm, AC, single phase 230/240 volts complete with all accessories and electric connection including making suitable hole on wall by cutting existing wall and making good the disturbed surface to match with the existing complete all as specified and directed (Make : Crompton Greaves/Bajaj/Usha/ Havells/Orient as approved)

S & F Exhaust fan, heavy duty, 300 mm sweep, 1400 rpm, AC, single phase 230/240 volts complete with all accessories and electric connection including making suitable hole on wall by cutting existing wall and making good the disturbed surface to match with the existing complete all as specified and directed (Make : Crompton Greaves/Bajaj/Usha/ Havells/Orient as approved)

S & F ceiling fan, 1200 mm, white, without regulator, 5 star, single phase 230/240 volts complete with all accessories and electric connection complete all as specified and directed (Make : Crompton Greaves/Bajaj/Usha/ Havells/Orient as approved)

S & F wall mounted fan, 450 mm, white, without regulator, 5 star, single phase 230/240 volts complete with all accessories and electric connection complete all as specified and directed (Make : Crompton Greaves/Bajaj/Usha/ Havells/Orient as approved)

S & F Fan hook for mounting Ceiling Fan made out of MS round bar of suitable dia and length complete all as specified and directed by Engineer-in-Charge.

S & F Stepped type electronic fan regulator delux rotary type complete all as specified and directed.

S & F Factory made board distribution (DB) Double Door in sheet steel enclosure with common bus bar at incomming end, SP, 2 way, 240 Volts suitable for housing MCBs complete all as specified and directed.

S & F Factory made board distribution (DB) Double Door in sheet steel enclosure with common bus bar at incomming end, SPN, 4 way, 240 Volts suitable for housing MCBs complete all as specified and directed.

S & F Factory made board distribution (DB) Double Door in sheet steel enclosure with common bus bar at incomming end, SPN, 8 way, 240 Volts suitable for housing MCBs complete all as specified and directed.

S & F factory made board distribution (DB) Double Door in sheet steel enclosure with common bus bar at incomming end, TPN, 6 way, 415 Volts suitable for fixing MCBs complete all as specified and directed.

S & F MCB, SPN, 240 Volts, 6 to 32 Amps, 'C' series, 10KA capacity complete all as specified and directed.

S & F MCB, SP, 240 Volts, 6 to 32 Amps, 'C' Series, 10KA capacity, 240 Volts complete all as specified and directed.

S & F RCCBs, double pole, 40 amps, 240 volts, 100mA complete all as specified and directed.

S & F RCCBs, double pole, 40 amps, 240 volts, 63mA complete all as specified and directed.

S & F in repair LED batten with tube, T8, 18W, environment friendly, enargy saving with aluminium extrusion heat sink for optimum performance with high luminous afficacy complete all as specified and directed. (Make : Surya Cat No. SUB 118 T8 LED & SLE TL-DS 18 PC Reform and equivalent model of make as specified in list of manufacturer).

S & F in repair 36W LED panel ultra slim made from extruded aluminium panel & super bright LED's including LED lamp and connecting up complete all as specified and directed. (Make : Surya Cat No. SLE FP 36 R22 and equivalent model of make as specified in list of manufacturer).

S & F in repair Surface Mounted Round Slim and Elegant Downlight/Panel for Indoor application with high aesthetic appeal, LED fittings 6 Watt complete with seperate electronic driver and high brightness LED lamp and connecting up complete all as specified and directed. (Make : Surya Cat No. SLE DLR 6W XX Stellar RD and equivalent model of make as specified in list of manufacturer).

S & F in repair Surface Mounted Round Slim and Elegant Downlight/Panel for Indoor application with high aesthetic appeal, LED fittings 10 Watt complete with seperate electronic driver and high brightness LED lamp and connecting up complete all as specified and directed. (Make : Surya Cat No. SLE DLR 10W XX Stellar RD and equivalent model of make as specified in list of manufacturer).

S & F in repair Surface Mounted Round Slim and Elegant Downlight/Panel for Indoor application with high aesthetic appeal, LED fittings 12 Watt complete with seperate electronic driver and high brightness LED lamp and connecting up complete all as specified and directed. (Make : Surya Cat No. SLE DLR 12W XX Stellar RD and equivalent model of make as specified in list of manufacturer).

S & F in repair 14 Watt NEO LED lamp complete all as specified and directed. (Make : Surya Cat No. 14W NEO and equivalent model of make as specified in list of manufacturer).

S & F in repair 9 Watt NEO LED lamp complete all as specified and directed. (Make : Surya Cat No. 9W NEO and equivalent model of make as specified in list of manufacturer).

S & F in repair 7 Watt NEO LED lamp complete all as specified and directed. (Make : Surya Cat No. 7W NEO and equivalent model of make as specified in list of manufacturer).

Supply, install, testing & Commissioning, Geysers, water heater, 25 ltrs capacity, Storage type electrically operated on single phase 230 Volts AC, 5 Star rating with all accessories and connection of inlet & outlet pipe line including connecting up with 3 single core PVC insulated, multistranded copper conductor cables complete all as specified and directed. (Make : Havells, Model : GHWAPTTWH025 or equivalent model as approved by the Engr-in-Charge/GE)

Supply, install, testing & Commissioning, Geysers, water heater, 50 ltrs capacity, Storage type electrically operated on single phase 230 Volts AC, 5 Star rating with all accessories and connection of inlet & outlet pipe line including connecting up with 3 single core PVC insulated, multistranded copper conductor cables complete all as specified and directed. (Make : Havells, Model : GHWAPTTWH050 or equivalent model as approved by the Engr-in-Charge/GE)

Supply, install, testing & Commissioning, Refrigerator, 260 ltrs capacity, forst free, double door, electrically operated on single phase 230 Volts AC, 3 Star rating with all accessories including connecting up complete all as specified and directed. (Make : LG/GODREJ/WHIRLPOOL)

Supply, installation, commissioning of Water cooler fully stainless steel, electric driven single phase having approx storage and nominal cooling capacity 40/80 ltrs with all accessories including connecting up complete all as specified and directed. (Make : USHA/BAJAJ/CROMPTON)

Supply, installation, commissioning of Glass Top Deep Freezer, for 405/425ltrs, single phase 240 volt, 50 Hz including connecting up complete all as specified and directed. (Make : LG/GODREJ/WHIRLPOOL)

M & L Sub main wiring with two runs of 4 sqmm (Nominal area) single core cable FRLS PVC insulated, multistranded, unsheathed, copper conductor cables 1100 Volts grade drawn through PVC conduits/casing-caping of suitable size, fixed to wall/ceiling etc including 4 sqmm (nominal area) single core, FRLS PVC insulated, multistranded, unsheathed, copper conductor as earth wire and duly connected to common earth point including PVC conduits/casing-caping of suitable size complete all as specified and as directed by Engineer-in-charge. (Note : PVC Conduits/Casing-caping, two run cables and one run of earth wire will be measured as one length.)

S & F 15mm bore, bib taps, cast copper alloy, chromium plated with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule complete all as specified and directed.

S & F 15 mm bore, angular stop cock, cast copper alloy, chromium plated, fancy type with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule complete all as specified and directed.

S & F 15mm bore, PVC connection pipe 600mm long with PTMT nuts at both ends complete all as specified and directed.

Supply, laying, connection and testing, 15mm bore, Steel water tubing, galvanised, medium grade with all fittings and fixed complete to walls and ceilings or laid in floors, etc complete all as specified and directed.

Excavation in trenches n.exc 1.5 m wide and n.exc 1.5 m in depth for foundation, etc and getting out in soft/loose soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm as in soft/loose soil complete all as specified and directed.

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

Taking up or down 25mm bore, Steel tubing and connections and keeping serviceable pipes in safe custody for reuse in the work after and including cleaning as directed.

Taking up or down 40/50mm bore, Steel tubing and connections and keeping serviceable pipes in safe custody for reuse in the work after and including cleaning as directed.

Supply, laying, connection and testing, 25mm bore, Steel water tubing, galvanised, medium grade with all fittings and fixed complete to walls and ceilings or laid in floors, etc complete all as specified and directed.

Supply, laying, connection and testing, 40mm bore, Steel water tubing, galvanised, medium grade with all fittings and fixed complete to walls and ceilings or laid in floors, etc complete all as specified and directed.

Supply, laying, connection and testing, 25mm outer dia 3- layer PP-R Polypropylene random copo-lymer) pipes SDR 7.4 & PN16 stablised and antimi-crobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and directed

Supply, laying, connection and testing, 40mm outer dia 3- layer PP-R Polypropylene random copo-lymer) pipes SDR 7.4 & PN16 stablised and antimi-crobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and directed

Supply, laying, connection and testing, 50mm outer dia 3- layer PP-R Polypropylene random copo-lymer) pipes SDR 7.4 & PN16 stablised and antimi-crobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and directed

S & F 80mm bore, cast iron sluice valve both end flanged, class PN 1.6 conforming to IS -14846 with iron wheel head and stainless steel spindle including necessary jointing materials like nuts, bolt, washer & rubber/fiber board gasket including taking out existing one complete all as specified and directed.

S & F 100mm bore, cast iron sluice valve both end flanged, class PN 1.6 conforming to IS -14846 with iron wheel head and stainless steel spindle including necessary jointing materials like nuts, bolt, washer & rubber/fiber board gasket including taking out existing one complete all as specified and directed.

S & F in repair 20 mm bore, gun metal, Gate valves with iron wheel head, screwed both ends for iron pipe complete all as specified and directed.

S & F in repair 25 mm bore, gun metal, Gate valves with iron wheel head, screwed both ends for iron pipe complete all as specified and directed.

S & F in repair 40 mm bore, gun metal, Gate valves with iron wheel head, screwed both ends for iron pipe complete all as specified and directed.

S & F in repair 50 mm bore, gun metal, Gate valves with iron wheel head, screwed both ends for iron pipe complete all as specified and directed.

S & F in repair 63 mm outer dia, PP-R Gate valves (brass insert) as per requirement of the site complete all as specified and directed.

S & F in repair 32 mm outer dia, PP-R Gate valves (brass insert) as per requirement of the site complete all as specified and directed.

S & F in repair 25 mm outer dia, PP-R Gate valves (brass insert) as per requirement of the site complete all as specified and directed.

M & L for Making connection of PP-R distribution branch with PP-R main of 25mm/63mm, by providing and fixing tee including cutting and making fusion joint etc complete all as specified and directed.

M & L for Making connection of PP-R distribution branch with GI main of 25mm/63mm, by providing and fixing tee including cutting and making fusion joint etc complete all as specified and directed.

M & L for construction of brick masonry valve pit of size 90 cm x 90 cm x 90 cm (internal dimension) one brick thick wall in CM 1:4 on 100mm thick PCC 1:4:8 type D-2 (40mm graded stone aggregate) as in foundation, 15mm thick rendering in cement mortar (1:4) internally, externally up to 15cm below GL, providing valve pit cover made out of 3mm thick MS sheet duly welded with provision of hinges, handle and locking arrangement including 40 x 40 x 5mm angle iron frame fixed on top of valve pit by means of hold fast 150mm long, embedded in PCC block 1:2:4 type B-1 (20mm graded aggregate) of size 230 X 200 X 100mm, applying two coats of anti-corrosive paint over a coat of red oxide, zinc chrome primer after preparation of steel & iron surfaces including necessary excavation & earth work in soft/loose soil and demolition of existing one complete as specified and directed all as per relevant TD drawing. (Note : Drawing not attached with the tender document. However, the same can be seen in GE/AGE E/M office during working hours)

All as per serial item No. 68 above but of size 120cmx120cmx120cm (Internal) complete all as specified and directed.

All as per serial item No. 68 above but of size 50cmx50cmx50cm (Internal) complete all as specified and directed.

Dismantling the unserviceable parts and burnt out copper winding from pump and motor of capacity from 12.5 HP, 3 phase, 415V, 10 staging and rewinding the motor with supper enamelled copper wire of suitable gauge including heating, varnishing, replacement of defective spare parts, re-assembling and painting the motor with two coats of supper enamelled paint and carrying out necessary tests in presence of the Engineer-in-Charge as per IE Rule to establish functional ability/desired performance of the repaired motor to the entire satisfaction of Engineer-in-Charge and test result kept on office record duly signed by the Engineer-in-charge and contractor. (Note:- (a) Spare / parts shall be measured & paid seperately as Supply only (2) Labour charge for fixing parts shall deemed to be included in the unit rate.)

Supply only retainer bearing bronze suitable for VT pump of capacity upto 30 HP complete all as directed.

Supply only rubber retainer suitable for VT pump of capacity upto 30 HP complete all as directed.

Supply only shaft sleeves (S/S) suitable for VT pump of capacity upto 30 HP complete all as directed.

Supply only intermediate bearing bronze suitable for VT pump of capacity upto 30 HP complete all as directed.

Supply only stuffing box suitable for VT pump of capacity upto 30 HP complete all as directed.

Supply only stuffing nuts, bolts and washer for VT pump of capacity upto 30 HP complete all as directed.

Supply only stuffing box gland for VT pump of capacity upto 30 HP complete all as directed.

Supply only gland packing asbestors of suitable size for VT pump of capacity upto 30 HP complete all as directed.

Supply only water silencer for VT pump of capacity upto 30 HP complete all as directed.

Supply only Top shaft for VT pump of capacity upto 30 HP complete all as directed.

Supply only Shaft coupling (S/S) for VT pump of capacity upto 30 HP complete all as directed.

Supply only pump shaft stainless steel for VT pump of capacity upto 30 HP complete all as directed.

Supply only Socket MS heavy duty, 100 mm bore for VT pump of capacity upto 30 HP complete all as directed.

Supply only Lock collect for VT pump of capacity upto 30 HP complete all as directed.

Supply only Thrust bearing No. 7409 for VT pump of capacity upto 30 HP complete all as directed. (Make: SKF or equivalent of make as per list of manufacturer's)

Supply only Retchet assembly for VT pump of capacity upto 30 HP complete all as directed.

Supply only Pump shaft coupling for VT pump of capacity upto 30 HP complete all as directed.

Supply only Ball bearing No. 6309 for VT pump of capacity upto 30 HP complete all as directed. (Make: SKF or equivelant of make as per list of manufacturer's)

Supply only Staffing box bush for VT pump of capacity upto 30 HP complete all as directed.

Supply only Suction case bearing for VT pump of capacity upto 30 HP complete all as directed.

Supply only Discharge bearing for VT pump of capacity upto 30 HP complete all as directed.

M & L for Rubber gasket or fibre board gasket joint suitable for 80 mm bore CI flanged pipe & fittings with necessary nut, bolts, washer etc complete all as specified and directed.

M & L for Rubber gasket or fibre board gasket joint suitable for 100 mm bore CI flanged pipe & fittings with necessary nut, bolts, washer etc complete all as specified and directed.

M & L for run lead joint for CI spigot and socket pipes & fittings, 80mm bore with new lead complete all as specified and directed

M & L for run lead joint for CI spigot and socket pipes & fittings, 100mm bore with new lead complete all as specified and directed

M & L for cleaning and sterilization of inside UG sump reservoir capacity 50000 Gallons through bacterioligical treatment by using the following methods:- 1. Draining out the water by using exist valve or high capacity dewatering system. 2. Cleaning all the algae formation inside the tank by using TERBAC G10, a laboratory tested branded chemical and scrubbing the walls of the tanks. 3. Fresh water cleaning inside the tank, by high speed jet pump. 4. First bacteria screening decertification by using TERBAC-G5 a Laboratory certified brannded halogen compound. 5. Cleaning the floor of water tank by industrial vaccum cleaner. 6. Second bacteria screening for sterilization by using ultra voilet ray within the tank and kills all suspended bacteria. 7. Third bacteria screening for sterilization of the water tank by using laboratory certified, branded strong oxidizing agent TERBAC-G65. Note : (i) On completion sterilization certificate shall be submitted to the Engg in Charge by the contractor. (ii) Re writing the letters n. exc 25cm high with synthetic enamel paint, white colour or fix a sticker mentioning the date of cleaning as ' TANK CLEANED ON'. (iii) The quoted unit rate is included for removal of mud, grits & deposists etc from site of work.

All as per item No. 97 above but service tank of capacity 500 ltrs complete all as specified and directed.

All as per item No. 97 above but service tank of capacity 1000 ltrs complete all as specified and directed.

S & F in repair graphite gland packing 8mm dia complete all as specified and directed.

S & F in repair graphite gland packing 6mm dia complete all as specified and directed.

M & L for Earthing complete with galvanized steel earth plate electrode 600 mm x 600 mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 meter deep below ground level) with top edge of plate not less than 1.5 meter below normal ground level, connected to galvanized steel earth lead wire 4 mm dia by means of bolts, nuts, check nuts and washers of galvanized iron or steel, all as shown in Electrical Plate No 3 of SSR Part - I, including necessary excavation and earth work, P.C.C (1:3:6) type C-I with 50 mm thick Pre-cast R.C.C. (1:2:4) type B-I cover slab (reinforced with 8 mm dia deformed bar @ 15 cm C/C both ways and suitable handle of 10 mm dia round bar), including providing charcoal or coke and common salt in alternate layers of 15 cm compacted thickness all around the earth electrode, with funnel and 20 mm bore galvanized iron watering pipe (light grade), wire mesh, aluminium lugs, complete in all respect, GI earth wire protected by 15 mm bore (medium grade) galvanized iron pipe and other end connected with main switch board or Earthing test point as directed, including necessary earth work and disposal of spoil to a distance not exceeding 50 metre and necessary testing on completion inclduing taking down old one complete all as specified and as directed by the Engineer-in-Charge.

All as per item No. 102 above but using galvanised iron strip 32x6 mm complete all as specified and directed.

M/S SARDAR MAL NAHATA

M/S ANIL KUMAR BAUL

MAJUMDER ENTERPRISE

MAA TARA TRADING

SHRI SURAJIT SIKDER

M/S RATHIN ENTERPRISES

SHRI PARTHA DUTTA