GE AF/AMB-36/2021-22 REPAIRS / MAINTENANCE AND REPLACEMENT OF ELECTRICAL WIRING, DISTRIBUTION BOARDS, TUBE LIGHT FITTINGS AND ALLIED ITEMS IN OFFICE/OTM ACCOMMODATIONS IN TECHNICAL AREA AT AF STATION AMBALA

Amount

Taking down copper / aluminium point wiring (light, fan, socket or power) including fixture and fittings viz. switches, ceiling roses, light fittings, pendants, regulators, sockets, etc. and disposing off complete all as specified and as directed

M&L for concealed point wiring with 1.5sqmm, single core, FRLS PVC insulated, ISI marked, unsheathed cable 1100V grade with multi-stranded copper conductor, drawn through and including non-metallic rigid PVC conduit not less than 20mm dia and conduit accessories concealed on walls, ceiling etc., and including provision of 1.5sqmm copper wire, green colour as earth continuity conductor and connected to common earth dolly, including cutting chases for conduit and sinking for box and making good to the surface to match the existing and MS sheet (1.6mm thick) sunken box or pressed steel terminal boxes with provision of 3mm thick plastic laminated sheet top cover complete all as specified and as directed for the following:

One light / ceiling fan / exhaust fan point controlled by one 6A one way switch

One switch socket outlet 3 pin 6A on independent board

One switch socket outlet 3 pin 6A on same board

One bell point controlled by one bell push

One light point controlled by two 6A two way switch

M&L for concealed point wiring with 2 runs of 2.5sqmm, single core PVC FRLS insulated, heavy duty, ISI marked, unsheathed cable 1100V grade with multistranded copper conductor drawn through and including non-metallic rigid PVC conduit not less than 20mm dia and conduit accessories, concealed in walls / roofs / floors / ceiling etc. and PVC insulated heavy duty, ISI marked, unsheathed copper conductor 1.5sqmm for earth continuity conductor and connected to common earth dolly including cutting chases for conduit and sinking for box and making good to the surface to match the existing and MS sheet (1.6mm thick) sunken box or pressed steel terminal boxes with provision of 3mm thick plastic laminated sheet top cover for one switch socket combination outlet 5 pin 15/16A multipurpose complete all as specified and as directed

M&L for point wiring with 1.5sqmm, single core, FRLS PVC insulated, ISI marked, unsheathed cable 1100volts grade with multi-stranded copper conductor, drawn through and including non-metallic rigid PVC conduit not less than 20mm dia medium grade conduit accessories or in casing caping of size 20mm and surface on walls, ceiling etc, and including provision of 1.5sqmm copper wire, green colour as earth continuity conductor and connected to common earth dolly, including cutting chases for conduit and sinking for box and making good to the surface to match the existing and MS sheet (1.6mm thick) sunken box or pressed steel terminal boxes with provision of 3mm thick plastic laminated sheet top cover complete all as specified and as directed for the following:

One light / ceiling fan / exhaust fan point controlled by one 6A one way switch

One switch socket outlet 3 pin 6Amps on independent board

One switch socket outlet 3 pin 5Amps on same board

One bell point controlled by one bell push

M&L for point wiring with 2 runs of 2.5sqmm, single core PVC FRLS insulated, heavy duty, ISI marked, unsheathed cable 1100volts grade with multistranded copper conductor drawn through and including non-metallic rigid PVC conduit not less than 20mm dia medium grade and conduit accessories or in caseing caping of size 20mm , surface on walls / roofs / floors / ceiling etc. and PVC insulated heavy duty, ISI marked, unsheathed copper conductor 1.5sqmm for earth continuity conductor and connected to common earth dolly including MS sheet (1.6mm thick) sunken box or pressed steel terminal boxes with provision of 3mm thick plastic laminated sheet top cover for one 15/16A swithc socket combination outlet multipurpose complete all as specified and as directed.

S&F switch piano flush modular type, single pole, ISI marked, one way 5A, 230V complete all as specified and as directed

S&F switch piano flush modular type, single pole, ISI marked, one way 15A, 230V complete all as specified and as directed

S&F socket outlet, 3 pin, multipurpose 5A modular type, ISI marked, 230V complete all as specified and as directed

S&F socket outlet, multi-purpose, 3 pin, 15A, and 1 pin 6A, modular type, ISI marked, 230V controlled by one switch complete all as specified and as directed

M&L for point wiring with 1.5sqmm, single core, FRLS PVC insulated, ISI marked, unsheathed cable 1100volts grade with multi-stranded copper conductor, drawn through and including steel conduit not less than 20mm dia and conduit accessories surface on walls, ceiling etc., and including provision of 1.5sqmm copper wire, green colour as earth continuity conductor and connected to common earth dolly, including cutting chases for conduit and sinking for box and making good to the surface to match the existing and MS sheet (1.6mm thick) sunken box or pressed steel terminal boxes with provision of 3mm thick plastic laminated sheet top cover for one light fan point controlled by one way 6 amp switch complete all as specified and as directed.

S&F electronic fan regulator, stepped modular type (5 steps), 120W, 2 module, 50Hz, 230V, ISI marked with cover plate duly connected up complete all as specified and as directed

S&F electronic fan regulator, stepped type (5 steps), 100W, 50Hz, 230V, ISI marked duly connected up complete all as specified and as directed

S&F modular white cover plate with frame ISI marked complete all as specified and as directed suitable for the following:

3 modules

4 modules

6 modules

8 modules

S&F modular metal flush box ISI marked complete all as specified and as directed suitable for the following:

3 modules

4 modules

6 modules

8 modules

S&F switch piano flush button type, single pole, ISI marked, one way 6A, 240V complete all as specified and as directed

S&F switch piano flush button type, single pole, ISI marked, two way 6A, 240V, complete all as specified and as directed

S&F switch piano flush button type, single pole, ISI marked, one way 15A, 240V complete all as specified and as directed

S&F socket outlet, 3 pin, multipurpose 5A flush type, ISI marked, 240V complete all as specified and as directed

S&F socket outlet, 2 in 1, 3 pin, multipurpose 15A flush type, ISI marked, 240V complete all as specified and as directed

S&F ceiling rose surface bakelite 65x50mm, ISI marked, with three terminals complete all as specified and as directed

S&F PVC lamp holder, insulated body, bracket holder / angle holder 240V complete all as specified and as directed

S&F bell push flush button type, 5A, 240V complete all as specified and as directed

S&F bell buzzer, ding dong type, 230V, single pole complete all as specified and as directed

S&F in repairs PVC plate round fan cover 6" to 8" dia of approved colour complete all as specified and as directed

S&F in repairs 3mm thick hylam sheets cut as required duly fixed complete all as specified and as directed of the following sizes:

6x6inch

6x9inch

6x11inch

10x12inch

11x13inch

12x14inch

S&F LED tube light fitting 1x18W, 230V, PF 0.9, CRI> 70, L 70, in commercial channel with powder coated CRCA sheet housing with opal diffuser for LED with LED tubelight with high efficient LED in aluminium housing with clear & milky diffuser with all accessories pre-wired and connecting with twin core twisted flexible copper conductor cable with suitable size rod including taking out and disposing old fitting any type complete all as specified and as directed

S&F in repairs indoor decorative LED batten with opal diffuser with inbuilt LED tube 10W and driver designed with high transmitting optics for even light distribution IP 20 degree protection having length 620mm and PF 0.9, CRI> 70, L 70 and connecting with twin core twisted flexible copper conductor cable complete all as specified and as directed

S&F in repairs recess/surface mounting LED flat panel 2'x2' with high efficient LED & glare free full window opal diffuser of 36W, PF 0.9, CRI> 70, L 70 with all accessories pre-wired and connecting with twin core twisted flexible copper conductor cable with suitable size rod complete all as specified and as directed

S&F in repairs starter 110V suitable for recess/surface mounting fittings,complete all as specified and as directed

S&F in repairs LED bulk head 10W with pressure die cast aluminium housing high efficient LEDs and enclosed with milky diffuser IP 66 protection, PF 0.9 , CRI> 70, L 70 with all accessories pre-wired and connecting with twin core twisted flexible copper conductor cable complete all as specified and as directed

S&F in repairs energy efficient LED flood light fitting, 70W, input voltage 110V to 280VAC, 50Hz with ingress protection IP 66, LM 80, stranded luminries with efficiency 100lumen/Watt, with secondary optics, perfectly matched lenses, complying to IEC60598/IS10322, with auto shut down on high voltage, CRI>70, PF>0.95, with short circuit & reverse circuit protection against 10kV high surges, minimum 50000 burning hours (life), operating temperature 1 to 50oC, rectangular shape with pressure die cast aluminium housing with weather proof gasket for lamp and driver compartment with system wattage of 100W=10%W, rated lumens with 120o view angle, constant current type driver having THD<10%, including all fixing arrengment like clamps, nuts, bolts, washers, 70W LED lamp with all accessories pre-wired and connecting with twin core twisted flexible copper conductor cable with all necessary staging, etc. for fixing at any locations complete all as specified and as directed

S&F LED tube rod 1x18W, PF >0.9, input voltage 90-300V, IP-68, LM 80 stranded luminaries efficiency 100 lumen/watt, 230V with all accessories and taking down old fitting from any position complete all as specified and as directed

S&F 1.5m long 40mm bore light grade GI pipe bracket duly cut to size and bent to shape required duly painted with 2 coats of synthetic enamel paint (of approved tint) over a coat of red oxide primer, including 2Nos. MS clamps as required to fix on concrete / steel poles and taking down and disposing off old unserviceable brackets complete all as specified and as directed

S&F LED light fitting 90W with lamp, with input voltage 110 to 280V, alongwith auto-shutdown on high voltages, life min-5000hrs, operating temperature 1 to 50o, IP-66 protection class, comprising of rectangular shaped pressure die cast aluminium housing with weather proof gasket for lamp and driver compartment, system wattage of 100W=10%W, with rated lumens of minimum 500lumens with 120o view angle, constant driver current having THD<10%, power factor >0.95, with short circuit protection, reverse circuit protection, high voltage protection, 10kV high surges, having secondary optics with perfectly matched lenses conforming to IEC60598 / IS10322 with all accessories pre-wired and connecting with twin core twisted flexible copper conductor cable and taking down and disposing old fitting complete all as specified and as directed

S&F LED light fitting 45W with lamp, with input voltage 110 to 280V, alongwith auto-shutdown on high voltages, life min-5000hrs, operating temperature 1 to 50o, IP-66 protection class, comprising of rectangular shaped pressure die cast aluminium housing with weather proof gasket for lamp and driver compartment, system wattage of 100W=10%W, with rated lumens of minimum 500lumens with 120o view angle, constant driver current having THD<10%, power factor >0.95, with short circuit protection, reverse circuit protection, high voltage protection, 10kV high surges, having secondary optics with perfectly matched lenses conforming to IEC60598 / IS10322 with all accessories pre-wired and connecting with twin core twisted flexible copper conductor cable and taking down and disposing old fitting complete all as specified and as directed

S&F LED lamp 9W tubular, 230V complete all as specified and as directed

S&F LED lamp 7W tubular, 230V complete all as specified and as directed

S&F in repairs sheet metal enclosures for 4 way MCCB incomer + 12 module outgoings, vertical type, TPN, load line distribution board with provision for mounting of MCCB 100A as incomer, double door IP 43 protection class conforming to IS 8623-III, with 200A rated bus bar, blanking plates duly flushed in wall and making good the disturbed surfaces complete all as specified and as directed

S&F in repairs sheet metal enclosures for 8 way MCCB incomer + 24 module outgoings, vertical type, TPN, load line distribution board with provision for mounting of MCCB 250A as incomer, double door IP 43 protection class conforming to IS 8623-III, with 315A rated bus bar, blanking plates duly flushed in wall and making good the disturbed surfaces complete all as specified and as directed

S&F in repairs sheet metal enclosures for MCB distribution board 230V, SPN, 8 way, double door type flushed inside wall with 200A rated bus bar and making good the disturbed surfaces complete all as specified and as directed

S&F in repairs sheet metal enclosures for MCB distribution board 230V, SPN, 4 way, double door type flushed inside wall with 200A rated bus bar and making good the disturbed surfaces complete all as specified and as directed

S&F in repairs MCCB, TPN, 415V, 100A, four pole, 25kA complete all as specified and as directed

S&F in repairs MCB four pole, 415V, 250A, 36kA complete all as specified and as directed

S&F in repairs MCB TPN, isolator, 415V, 63A, three pole, 25kA complete all as specified and as directed

S&F in repairs MCB SPN, 240V, 5 to 40A, 10kA, 'C' curve, finger proof terminal, bi-connect termination, 35sqmm terminal capacity, insulated sliding shutter with large two position dolly complete all as specified and as directed

S&F in repairs MCB SP, 240V, 5 to 40A, 10kA, 'C' curve, finger proof terminal, bi-connect termination, 35sqmm terminal capacity, insulated sliding shutter with large two position dolly complete all as specified and as directed

S&F in repairs MCB SPN, 240V, 63A, 10kA, 'C' curve, finger proof terminal, bi-connect termination, 35sqmm terminal capacity, insulated sliding shutter with large two position dolly complete all as specified and as directed

S&F in repairs MCB TPN, 415V, 63A, 10kA, C' curve, finger proof terminal, bi-connect termination, 35sqmm terminal capacity, insulated sliding shutter with large two position dolly complete all as specified and as directed

S&F flame proof rotary type switch with termination box in aluminium alloy LM6 SP 16A 250V with wire guard complete all as specified and as directed

M&L for submain wring using proper colour coding with 2 runs of single core, PVC insulated, FRLS unsheathed suitable for 1100V, multistranded, copper conducter cable of size 4sqmm and 1 run of 2.5sqmm multistranded, copper conductor cable 1100V green colour for earth conductor drawn through and including PVC conduit 25mm bore, heavy duty, ISI marked fixed on wall/ceiling, etc. with all required accessories including taking down old sub-main wiring any type complete all as specified and as directed

M&L for submain wring using proper colour coding with 2 runs of single core, PVC insulated, FRLS unsheathed suitable for 1100V, multistranded, copper conducter cable of size 6sqmm and 1 run of 4sqmm multistranded, copper conductor cable 1100V green colour for earth conductor drawn through and including PVC conduit 25mm bore, heavy duty, ISI marked fixed on wall/ceiling, etc. with all required accessories including taking down old sub-main wiring any type complete all as specified and as directed

M&L for submain wring using proper colour coding with 4 runs of single core, PVC insulated, FRLS unsheathed suitable for 1100V, multistranded, copper conducter cable of size 10sqmm and 2 runs of 6sqmm multistranded, copper conductor cable 1100volts green colour for earth conductor drawn through and including PVC conduit 32mm bore, heavy duty, ISI marked fixed on wall/ceiling, etc. with all required accessories including taking down old sub-main wiring any type complete all as specified and as directed

Notes for item Nos. 69 to 71: (i) 2/4 runs of 4/6/10sqmm main cable, 1/2 runs of earth conductors and 1 run of PVC conduit as per item shall be measured as one length (ii) Separate conduit shall be used for each sub-main wiring circuit irrespective of numbers of wire (iii) The minimum size of conduit shall be as stipulated, however higher sizes shall be used as per number of cables passing through. The Engineer-in-charge shall ensure for proper size of conduit as per requirement at site

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for foundations, manholes, etc. or for laying cables/pipes, erecting poles, etc. not exceeding 10sqm on plan and getting out in soft / loose soil complete all as specified and as directeddisposing off complete all as specified and as directed

Returning, filling in, including, spreading, leveling, watering and well ramming in layers not exceeding 25cm deep as in any type of soil complete all as specified and as directed

Removing excavated materials to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point in any type of soil including spreading in low lying area and leveling complete all as specified and as directed

Supply and laying burnt bricks of sub-class 'B' designation 75 laid in trenches for cable protection complete all as specified and as directed

M&L for fine dry river sand cushioning by laying 8cm thick layer below the cable for making soft bed and 15cm above the cable and then punning down to its consolidated thickness of 18cm after the cable is laid all as specified in SSR Part-I complete all as specified and as directed Note: Only punned thickness of sand shall be considered for measurement purposes

M&L for plain cement concrete 1:3:6 (type C-2) using 40mm graded stone aggregate as in coping, bases of poles, post holes, etc. complete all as specified and as directed

M&L for making bore into roads / paths / hard standing, concrete / tiled / bituminous, etc. for insertion of GI protection / passing through pipes, 50mm bore, at any length at any location including making good the disturbed surfaces after laying of pipes complete all as specified and as directed

Supplying, fixing / laying steel water tubing, light grade, galvanised with screwed and socketed joints, in any length, including supply and fixing all fittings, ISI marked conforming to IS -1239 and fixed to walls or laid in floors / trenches required for protection of electric clables complete all as specified and as directed for the following bores:

50mm bore

40mm bore

Supply, laying, jointing, connecting and testing XLPE insulated, screened, PVC sheathed cable 1100V grade, screwed PVC bedded, armoured electric power cable, heavy duty multi-stranded aluminium conductor laid in trenches / fixed on walls/poles, passing through pipes, etc. including taking out old cable and disposing off complete all as specified and as directed of the following sizes: Note: Excavation and earthwork will be measured and paid separately under respective item herein

3.5 core 35sqmm

3.5 core 50sqmm

4 core 16sqmm

Supplying, fixing / laying in repairs PVC insulated aluminium conductor cable, 2 core 6sqmm, flat, solid aluminium conductor, served with inner sheathing of PVC tape and overall PVC sheathed, 1100V grade heavy duty in service connections suspended by and including insulated hangers not more than 1.0m c/c and 4mm suspension wire complete all as specified and as directed

Supplying, fixing / laying in repairs PVC insulated aluminium conductor cable, 2 core 10sqmm, flat, solid aluminium conductor, served with inner sheathing of PVC tape and overall PVC sheathed, 1100V grade heavy duty in service connections suspended by and including insulated hangers not more than 1.0m c/c and 4mm suspension wire complete all as specified and as directed

S&F 10mm thick CI cover with handle, duly hinged in mild steel angle iron frame of size 300x300x300mm made out of MS angle iron of size 40x40x6mm thick duly fixed to existing earthing pits and entirely painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer including dismantling and taking down old pit cover and disposing off complete all as specified and as directed

M&L for test point terminal block made of gun metal phosphorus bronze, size 75x75x25mm, drilled and screwed with sheet metal enclosure of size 100x100x100mm fabricated out of steel sheet not less than 1.6mm thick and including 3Nos. 8mm dia 25mm long hexagonal head screws, taking down and disposing off old unserviceable block complete all as specified and as directed

S&F in repairs air termination, single pointed aluminium rod 12mm dia and 300mm long including suitable insulated base plate and connecting up complete all as specified and as directed

S&F flame proof fluorescent luminaire made out of aluminium alloy LM6 with lamp 40W, integral reflector, electronic ballst, bipin holder, connector block, etc. conforming to relevant IS, with and including all accessories pre-wired and connecting with twin core twisted flexible copper conductor cable and taking down old fitting from any position complete all as specified and as directed

S&F in repairs aviation yellow painted die cast alluminium alloy housing with red coloured polycarbonate dome 2x100W complete all as specified and directed

S&F in repairs LED aviation light comprising of die cast alluminium alloy housing with polycarbonate enclosure with 302Nos. LED complete all as specified and directed

S&F plug top & socket with sheet metal enclosure single pole and neutral and earth plug socket IP-54 protection class, including 1No. MCB 20A, 240V, 10kA and taking down and disposing off old/unserviceable socket complete all as specified and as directed

S&F industrial metal clad socket outlet with single pole and neutral enclosure with 5 pin and earth plug socket 8 module, 32A, IP-54 protection class, including 1No. MCB 4P 32A 10kA and taking down and disposing off old/unserviceable socket complete all as specified and as directed

S&F industrial metal clad socket outlet with single pole and neutral enclosure with 5 pin and earth plug socket 8 module, 63A, IP-54 protection class, including 1No. MCB 4P 63A 10kA and taking down and disposing off old/unserviceable socket complete all as specified and as directed

S&F heavy duty, metalic body with metalic blades, legs, ISI marked energy efficient BEE five star rated exhaust fan, 300mm sweep with lauvers and connecting up including provision of three core flexible copper wire of size 1.5sqmm from ceiling rose to exhaust fan including making hole on wall grouting bolts nuts washers, etc. complete all as specified and as directed

S&F energy efficient BEE five star rated ceiling fan, 230/240V, single phase, 1200mm sweep and connecting up with provision of three core flexible copper wire of size 1.5sqmm from ceiling rose to ceiling fan complete all as specified and as directed

S&F energy efficient BEE five star rated wall mounted fan, 230/240V, single phase, 450mm sweep and connecting up with provision of three core flexible copper wire of size 1.5sqmm from ceiling rose to ceiling fan complete all as specified and as directed

S&F CFL 9W 2 pin type complete all as specified and directed

S&F copper ballast 36/40W complete all as specified and directed

Supplying, installing, testing and commissioning of single phase two wire digital electronic energy meter, with engineering plastic box, hinge type with seal, 10-60A, class accuracy:1, 1x240V, backelite LCD display with kWh, kW, PF, I, V and average of V, I & PF, last 12 month history for kWh, kVAh and MD with features like TOD, tamper logging, optical port for data retrieving with cable without opening engineering box, touch pad for parameter scrolling and having load temperature profile features in meter memory complete all as specified and as directed Notes: (i) Meters shall have a mimimum 5 year manufacturer warranty. The Contractor shall replace any faulty meters as informed at any time by the Engineer-in-charge without any cost (ii) These shall be installed at locations as directed

M&L for preventive maintenance to functional earthing GI/Cu any type, by mechanically checking earth resistance value and bringing up the same to required state by developing and adding new chemical mixture of sodium carbonate, magnesium sulphate, common salt, charcoal, etc. and ensuring required earth resistance value on completion including all necessary excavation/earthwork complete all as specified and as directed Notes: (i) The earth result shall not be less than 5 Ohm and if not attained after maintenance the same shall be achieved without any extra cost to the Department (ii) Requisite test results shall be submitted for payment purposes

M&L for preventive maintenance to functional chemical earthing of any type, by mechanically checking earth resistance value and bringing up the same to required state by developing and adding new chemical mixture of sodium carbonate, magnesium sulphate, common salt, charcoal, etc. and ensuring required earth resistance value on completion including all necessary excavation/earthwork complete all as specified and as directed Notes: (i) The earth result shall not be less than 1 Ohm and if not attained after maintenance the same shall be achieved without ny extra cost to the Department (ii) Requisite test result shall be submitted for payment purposes

S&F in repairs copper strip of size 20x3mm with saddles and fixing screws, FRP insulators, etc. for roof conductors, down conductors and wall conductors above the ground, etc. brazed/welded at each joint complete all as specified and as directed

S&F in repairs GI strip of size 32x6mm with saddles and fixing screws, FRP insulators, etc. for roof conductors, down conductors and wall conductors above the ground, etc. brazed/welded at each joint complete all as specified and as directed

S&F in repairs aluminium strip of size 25x3.15mm with saddles and fixing screws, FRP insulators, etc. for roof conductors, down conductors and wall conductors above the ground, etc. brazed/welded at each joint complete all as specified and as directed

M&L for earthing using copper plate earthing with copper earth plate electode 600x600x3.15mm thick buried directly in ground, earth pit not less than 2.25m deep below ground level connection to and including copper strip of size 20x3mm extended to 7.5m as earth lead by means of GI bolts, nuts, etc. with provision of charcoal and salt all as per electrical plate No. 3 of SSR Part-I including water arrangement with GI pipe 20mm dia (medium grade), earth lead protection pipe 32mm medium grade with bends, elbow, etc. from earth plate to test point, excavation and earthwork in any type of soil, returning, filling, ramming and removing of soil to distance not exceeding 50m, make good to match with existing surface making PCC pit (earth chamber) having internal size 300x300x300mm and outer size 600x 600x600mm with RCC reinforced cover 50mm thick and testing on completion including making test points on wall as per SSR specifications, taking down and disposing off old earthing complete all as specified and as directed

M&L for earthing using GI earthing wire with galvanised steel earth plate electode 600x600x6mm thick buried directly in ground, earth pit not less than 2.25m deep below ground level connection to and including GI earth lead wire 4mm dia extended to 7.5m as earth lead by means of GI bolts, nuts, etc. with provision of charcoal and salt all as per electrical plate No. 3 of SSR Part-I including water arrangement with GI pipe 20mm dia (medium grade), earth lead protection pipe 15mm madium grade with bends, elbow, etc. from earth plate to test point, excavation and earthwork in any type of soil, returning, filling, ramming and removing of soil to distance not exceeding 50m, make good to match with existing surface making PCC pit (earth chamber) having internal size 300x300x300mm and outer size 600x 600x600mm with RCC reinforced cover 50mm thick and testing on completion including making test points on wall as per SSR specifications, taking down and disposing off old earthing complete all as specified and as directed

Notes for serial item Nos. 108 & 109: (i) The cost of GI earth continuity wire / strip with GI pipe 20mm medium grade upto 7.5m is deemed to be included (ii) The earth chamber to be constructed 0.5m from edge of earth pit with necessary watering arrangement. The cost for the same is deemed to be included in above item (iii) Earthing shall produce desired earth resistance values as directed by the Engineer-in-charge

Bairagi Builders

LAKHANPAL ELECTRIC

M/S Sonu Traders