ADDN ALTN TO BLDG NO P 219 SPECIAL REPAIR FOR RE WIRING OF BLDG NOS P 375 TO P 379 AND PROVN OF EARTHING INFRASTRUCTURE WORKS AT STN RAJOKRI UNDER GE AF GURGAON

Amount

M&L for excavating in post holes (or similar holes) each n.exc 0.5Cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25CM, in soft and loose soil complete all as specified.

M&L for cement concrete type B-2, 1:2:4 (40mm graded aggregate) as in foundations, filling and mass concrete as in pillar complete all as specified.

S & F Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.11611979 grade St.-240 complete all as specified.

S & F Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment Fe 410 -W (Gde E- 250) quality A all as specified.

S&F Bands, straps, supports or stays for rainwater, ventilating pipes, including bolts, if required: hooks (stay), heavy, for large gates; hook and pintle hinges: large hasps and staples; chains; hand made sliding bolts; clamps; hold fasts; wall ties; hooks for hanging fans; plain angle cleats for securing purlins to wood trusses or rafters; knee piece inserts; two way and three way straps, plate washers and similar small articles conforming to Fe-290 Gde-E-16 complete all as specified.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specifed.

Dismantling of Asbestos cement (corrugated, semicorrugated, etc.) sheets in roof coverings Complete all as specified.

S & F Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified.

S & F Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified.

M&L for prepration of new Steel surfaces of any description, not otherwise descri-bed, over 10cm width or girth & applying two coats of synthetic enamel paint over a coat of red oxide complete all as specified.

Taking down cement or cement lime plaster of any description including racking out joints, hacking for keys ,scrubbing down with water etc complete all as specified.

M&L for 15 mm thick plastering in cement mortar 1:4 on brick or concrete surfaces including rendering on fins, fascias, chajja, parapets etc and finishing the surfaces even and fair (without using extra cement) complete all as specified.

M&L for preparation of newly plastered surfaces of wall and applying two coats of cement base paint over a coat of cement primer on walls. complete all as specified.

M&L for rendering 15 mm thick in cement mortar 1:6 on brick work or concrete surfaces finished even and smooth (without using extra cement) complete all as specified.

M&L for preparation of newly plastered or unplastered/undecorated surface of wall and applying two coats of oil bound distemper over one coat of primer complete all as specified.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises complete all as specified.

M&L for screed bed or bedding layer of mortar 15mm thick in cement mortar (1:6) for bedding of tiles complete all as specified.

M&L for 10 mm thick rendering in cement mortar (1:4) on vertical surfaces for backing of tiles complete all as specifed.

M&L for joint free Non- skid ceramic coloured tiles 7 to 8mm thick (Square/ rectangular) area of each tile exceeding 0.11 but n.exc 0.18 Sqm, in floors/shirting etc, set and jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified.

M&L for Coloured Vitrified Ceramic tiles 9-10 mm thick (Square/rectangular) of light Shade , polished, area of each tile not exceeding 0.36 sqm, fixed in floor/skirting etc over set and jointed in neat cement slurry and pointed in coloured cement to match with coloured tiles complete all as specified.

Demolition of brick or stone boulder masonry built in cement mortar or cement lime mortar including all quoins, arches, pillars etc but excluding ashlar facings, dressed stone works and precast concrete articles, complete all as specified.

M & L for brick work with sub class ‘B’ bricks old size straight or curved on plan exc 6.0 m mean radius built in cement mortar 1:6 complete all as specified.

Taking down chowkhats or frames with shutters (without taking off shutters from the frames) not exc 1.5 sqm each complete all as specified and directed.

Taking down chowkhats or frames with shutters (without taking off shutters from the frames) exc 1.50 sqm but not exc 4.0 sqm each complete all as specified and directed.

S&F powder coated anodized aluminum frame for doors, windows ventilations/Partition with one or more rebates including joining cleat for fixing etc. complete all as specified.

S&F powder coated anodized aluminum door shutters, aluminum section weighing 0.55 kg/m including necessary joining cleats, glazing clips, rubber neoprene packing handles 2 Nos in each door,100 mm long hinges (3 Nos), anodized aluminum snap beading screws etc. complete all as specified.

S & F powder coated Anodised aluminium window and ventilator shutters side hung type without sash bar, aluminium sections weighing 0.55 kg/m including necessary joining, cleats, glazing clips, rubber packing, anodised aluminium snap beading, screws, anodised aluminium fittings such as hinges type B-21 100 mm long (2 nos) suitable handle 1 No complete all as specified

M&L for 5 mm thick sheet glass ordinary quality and glazing each pane fixed with including neopune rubber gasket in aluminium frame work complete all as specified and directed.

S & F 9 mm thick prelaminated particle board exterior grade in bottom panel of Aluminium door and partition including rubber gasket, aluminium glazing clips complete all as specified and directed.

S&F fabricated anodized aluminium grill of size 75x100mm, using 5mm dia bars fixed to frames using U/V section runners complete all as specified and as directed.

S & F Mortice lock, vertical type of brass 100 mm 4 Levers with duplicate keys complete all as specified.

S & F Cast iron body door closer hydraulically regulated, designation No .1 universal type suitable for door shutters upto 851 to 1000 mm in width and of weight 35 kg complete all as specified.

M&L for Point wiring complete with FRLS PVC insulated unsheathed , 1100 V grade conforming to IS 694 , 1.5 Sqmm (Norminal area) multistranded , copper conductor cable drawn through in non metallic rigid PVC conduit medium grade , minimum 20 mm dia conceled in wall , ISI Marked, and connect accessories, mounting on suface of walls / ceilings /roofs etc with shunken box anodised concealed in suface of wall , 3 mm thick laminated plastic sheet cover for mounting of switches, sockets outlets, regulators etc, fixed by suitable size of 04 Nos cadmium screwes including provision of FRLS PVC insulated unsheathed 1.5 Sqmm muiltistranded green colour copper conductor cable as earth connectivity and connecting to common earth dolly complete all as specified and as directed by Engineer-in-Charge, (The works includes cutting of chasis and making good disturbed surfaces and rate deemed to included in quated rate):-

One light point, fan point, exhaust fan point controlled by one way one switch SP 5 Amps , 240 V.

One switch socket outlet 3 Pin, 5 Amps, SP on same board.

One switch socket outlet 3 Pin, 5 Amps, SP on independent board.

M&L for point wiring with two runs of FRLS PVC insulated unsheathed, 1100 V grade cable multi stranded copper conductor of size 2.5 sqmm drawn through in and including concealed PVC conduit size of not less than 25mm concecled in wall / surface including provn of pressed steel terminal box of suitable size with 3mm thick plastic laminated sheet cover for mounting switch, socket and regulator along with earth wire of PVC insulated, unseathed, 1100 V grade cable multi stranded copper conductor of size 2.5 sqmm and for one 6 pin socket outlet two in one 16/6 Amps on an independent board including colour coding of cable shall be Phase- Red, Neutral- Black and Earth- Green and making good, disturb surface as it is complete all as specified and directed by Engr-in-Charge

M&L for submain wiring with 2 single core PVC FRLS insulated, unsheathed, multi stranded flexible copper conductor 1100 volts grade cables 4 Sqmm drawn through rigid PVC heavy grade concealed conduits incluidng 2.50Sqmm PVC insulated unsheathed multi stranded flexible copper conductor cable as continuous earth wire and connecting to common earth terminals complete all as specified, directed. (Note :- Two runs of cables and continuous earthwire in conduit will be measured as one length of sub main .)

M&L for submain wiring with 2 single core PVC FRLS insulated, unsheathed, multi stranded flexible copper conductor 1100 volts grade cables 2.50 Sqmm drawn through rigid PVC heavy grade concealed conduits incluidng 1.50Sqmm PVC insulated unsheathed multi stranded flexible copper conductor cable as continuous earth wire and connecting to common earth terminals complete all as specified, directed. (Note :- Two runs of cables and continuous earthwire in conduit will be measured as one length of sub main .)

M&L for submain wiring with 2 single core PVC FRLS insulated, unsheathed, multi stranded flexible copper conductor 1100 volts grade cables 6 Sqmm drawn through rigid PVC heavy grade concealed conduits incluidng 4.00Sqmm PVC insulated unsheathed multi stranded flexible copper conductor cable as continuous earth wire and connecting to common earth terminals complete all as specified, directed. (Note :- Two runs of cables and continuous earthwire in conduit will be measured as one length of sub main .)

S&F for switch socket outlet 5 Amps combination, 5 pin flush type, 240 volts. with polycarbonate body. complete all as specified and directed..

S&F for switch socket out let, 6 pin 5/15 Amps, combination multi purpose 2 in 1 flush type, 230 volts with polycarbonate body.complete all as specified and directed.

S&F for switch piano flush type single pole one way 5 Amps 240 volts with polycarbonate body complete all as specified and directed..

S&F For ceiling fan regulator stepped electronic type 300 watt rating, 230 volts with polycarbonate body all as directed.

S&F sheet metal enclosure single pole and neutral two pin and earth plug and socket complete with one double pole MCB SP 20 Amps for geyser/AC box complete all as specified and as directed. Make- Havells/Legrand or equvalant out of makes specified in list of makes.

S&F in replaceent of MCB DB sheet enclosure single pole and neutral 240V with 200 Amp suitable size plate and common neutral link all enclosed in standard steel sheet flush mounting type factory fabricated Acrylic double door complete confirming to IP 43 with enclosure blank plates for unused way suitable for 8 way complete all as specified and directed : Havells or equvalant out of makes specified in list of makes.

S&F in replaceent of MCB DB sheet enclosure single pole and neutral 240V with 200 Amp suitable size plate and common neutral link all enclosed in standard steel sheet flush mounting type factory fabricated Acrylic double door complete confirming to IP 43 with enclosure blank plates for unused way suitable for 12 way complete all as specified and directed : Havells or equvalant out of makes specified in list of makes.

S&F in replaceent of MCB DB sheet enclosure Triple pole and neutral 415V with 200 Amp suitable size plate and common neutral link all enclosed in standard steel sheet flush mounting type factory fabricated Acrylic double door complete confirming to IP 43 with enclosure blank plates for unused way suitable for 4 way complete all as specified and directed : Havells or equvalant out of makes specified in list of makes.

Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 25x4mm galvanised iron or steel wire complete all as specified and directed

S&F MCCB, three pole & neutral, 415 Volts 200 Amps,25KA complete all as specified and directed .Make:- Havells Or equvalant in Hager/ Legrand

Supply and fix LED lights fitting 1x 22W, 220V, AC decorative box type with driver, holder including LED tube light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete all as specified and as directed .Make :- Phillips/ Bajaj/CG

Supply and fix LED light fitting mirror type with high out put diffuser 2 feet, 10 watt 220 V AC decorative type with driver holder and LED lamp including connecting up with three core flexible copper conductor cable of suitable size complete all as specified and as directed .Make :- Phillips/ Bajaj/CG

assf Supply and fixing in replacement LED luminaire 600 mm x 600 mm, 35/36 watt, 220 V AC recessed type with high efficiency PMMA diffuser soft glare free light complete with driver, holders & LED lamp suitable for roof ceiling including connecting up with driver three core flexible copper conductor cases of suitable size complete all as specified and directed. Make- CG, Havells, bajaj

Supply and fixing LED flood light 120 watt 230 V, AC outdoor type with thermal management in multiple optics and equipped with IP66 protection, with impact and corrosion resistant complete with driver and lamp complete all as specified and directed.

Supply and Fixing LED post top lantern LED type 20 watt 230 watt volts AC outdoor type with decorative post top for 360 degree indirect light IP 65 protection with impact and corrosion resistant complete with driver and lamp complete all as specified and as directed . Make: CG or its equivalent in Wipro/Havells/Surya

Taking down carefully aluminium/copper wiring of any size for light, fan, socket or power etc completeincluding fittings such as switches, sockets, ceiling roses, pendent holders regulators, and making good disturbed surfaces of wall, roof etc to match with existing surface complete all as specified and asdirected.

Taking down carefully by unscrewing from walls or ceilings of tube light fittings, street light fittings etc and making good of disturbed surfaces complete all as specified and asdirected.

Taking down unserviceable main switches MCB DB’s incl MCB SP/SPN/TPN of any make and type including teakwood board etc complete and making good the disturbed surfaces including colour wash complete all as specified and asdirected.

Taking down ceiling fans / wall mounted fans of any size / sweep after disconnecting the wire fro existing ceiling rose and refixing the same after painting the same with synthetic enamel paint by spray machine including filter after cleaning dust, oiling and greasing complete including providing flexible twin core copper conductor stranded cord from ceiling rose to connecting of fan complete all as specified and asdirected.

Taking down carefully sub main wiring complete with conductor, cast conductor and PVC casing and coping and make good to the disturbed surfaces complete all as specified and asdirected.

M&L for point wiring with two runs of FRLS PVC insulated unsheathed, 1100 V grade cable multi stranded copper conductor of size 1.5 sqmm drawn through in and including concealed PVC conduit size of not less than 20mm concecled in wall / surface including provn of modular white cover plate with frame as required module and modular metal flux box as required module at site for mounting of switch, socket and fan regulator along with earth wire of PVC insulated, unseathed, 1100 V grade cable multi stranded copper conductor of size 1.5 sqmm, cable lugs and making good, disturb surface as it is, complete all as specified and directed for the following:- Note :- Colour coding of cable should be Phase- Red, Neutral- Black and Earth- Green. Note : The rates are inclusive for 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 conduit wiring, etc., and making good, cutting not exc 10 cm girth

All as per item No 58 hereinbefore but One socket outlet 5 Amps on the same board.

All as per item No 58 hereinbefore but One 3 pin socket outlet 5 Amps independent.

All as per item No 58 hereinbefore but One light point 5 amps controlled by 2 Nos two way switches.

M&L for point wiring with two runs of FRLS PVC insulated unsheathed, 1100 V grade cable multi stranded copper conductor of size 2.5 sqmm drawn through in and including concealed PVC conduit size of not less than 20mm concecled in wall / surface including provn of modular white cover plate with frame as required module and modular metal flux box as required module at site for mounting of switch, socket and fan regulator along with earth wire of PVC insulated, unseathed, 1100 V grade cable multi stranded copper conductor of size 2.5 sqmm, cable lugs and making good, disturb surface as it is, complete all as specified and directed for the following:- Note :- Colour coding of cable should be Phase- Red, Neutral- Black and Earth- Green Note : The rates are inclusive for 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 conduit wiring, etc., and making good, cutting not exc 10 cm girth

M&L for point wiring with two runs of FRLS PVC insulated unsheathed, 1100 V grade cable multi stranded copper conductor of size 4 sqmm drawn through in and including concealed PVC conduit size of not less than 25mm concecled in wall / surface along with earth wire of PVC insulated, unseathed, 1100 V grade cable multi stranded copper conductor of size 2.5 sqmm for 20Amp Geyser socket on indeendent board including cable lugs colour coding of cable shall be Phase- Red, Neutral- Black and Earth- Green and making good, disturb surface as it is complete all as specified and directed. Note : The rates are inclusive for 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 conduit wiring, etc., and making good, cutting not exc 10 cm girth

S&F switch Modular one module one way 6 Amp complete all as specified and as directed by Engineer-in-charge.

S&F switch Modular one module one way 16 Amp complete all as specified and as directed by Engineer-in-charge.

S&F switch Modular one module two way 6 Amp complete all as specified and as directed by Engineer-in-charge.

S&F Modular type socket outlet shuttered two module 5 pin 6 amps multipurpose complete all as specified and directed by Engineer-in-charge.

S&F Modular type socket outlet shuttered two module 6 pin 16 amps multipurpose complete all as specified and directed by Engineer-in-charge.

S&F Modular Electronic Fan regulator stepped type two module, 120 Watt complete all as specified and as directed by Engineer-in-charge.

S&F ceiling Rose surface bakelite 3 terminal complete all as specified and as diercted by Engineer-in charge.

S&F bell push switch Modular one module complete all as specified and as directed by Engineer-in-charge.

S&F door bell, ding-dong or multimusical type AC 230Volts complete all as specified and as diercted by Engineer-in charge.

S&F in replacement of sheet metal enclosure with socket plug top and 240V Single pole and neutral with two pin, earth plug and socket including single pole MCB 20/32 Amp, 10 KA complete all as specified and as directed by Engr-in-charge.

M&L in replacement for sub main wiring with two single core 6 sqmm multi stranded copper conductor PVC insulated and unsheathed cable ISI marked in 25 mm dia, medium grade, PVC conduit concealed in wall for sub main connection including 6 Sqmm PVC insulated unsheathed copper conductor ISI marked as earth wire cable lugs complete all as specified and directed by Engr-in-charge.

M&L in replacement for sub main wiring with two single core 2.5 sqmm multi stranded copper conductor PVC insulated and unsheathed cable ISI marked in 25 mm dia, medium grade, PVC conduit concealed in wall for sub main connection including 2.5Sqmm PVC insulated unsheathed copper conductor ISI marked as earth wire, cable lugs complete all as specified and directed by Engr-in-charge.

M&L in replacement for sub main wiring with two single core 10 sqmm multi stranded copper conductor PVC insulated and unsheathed cable ISI marked in 25 mm dia, medium grade, PVC conduit concealed in wall for sub main connection including 6 Sqmm PVC insulated unsheathed copper conductor ISI marked as earth wire cable lugs complete all as specified and directed by Engr-in-charge.

S&F in replaceent of MCB DB sheet metal enclosure single pole and neutral 240V with 200 Amp rated bus bar suitable size plate and common neutral link all enclosed in standard steel sheet flush mounting type factory fabricated Acrylic double door complete confirming to IP 43 without MCB and with enclosure blank plates for unused way suitable for 12 way complete all as specified and directed.

S&F MCB DB Single pole & neutral 4 way 240V sheet metal enclosure double door with common bus bar and neutral link complete to fixtures, complete all as specified and directed by Engr-in-Charge.

Supply and fixing 240V, 10 KA 'B' curve miniature circuit breaker (MCB) of single poles and current carrying capacity 5 to 32 AMP, in the MCB DB Complete with connection testing and commissioning complete all as specified and directed.

Supply and fixing amp rating 240V, 10KA 'C' curve miniature circuit breaker (MCB) of SPN poles and 40 AMP current carrying capacity in the MCB DB complete with connection testing and commissioning complete all as specified and directed.

Re-using of old serviceable MCB's of any type or any size complete all as specified and as directed.

Supply and fixing LED lights fitting 1x 36W, 220V,AC decorative box type with driver, holder including LED tube light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete. ®all as specified and as directed .

Supply and fixing LED light fitting mirror type with high out put diffuser 2 feet, 10 watt 220 V AC decorative type with driver holder and LED lamp including connecting up with three core flexible copper conductor cable of suitable size complete.®all as specified and as directed.

Supply and fixing LED street light fitting 35 Watt 230 V AC outdoor type with high pressure die cast aluminum hosing and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete with IP 65/66 protection complete.and connection with suitable cable from celing rose to light fitting and including fixing on GI pipe bracket made out of suitable dia GI pipe medium grade 1.2 m long bend to shape and fixed on wall with flat iron clamps nut, bolts washers etc complete all as specified and directed.

Supply and fixing post top lantern LED type 20 watt 230volts AC outdoor type with decorative post top for 360 degree indirect light IP 65 protection with impact and corrosion resistant complete with driver and lamp including bracket of 40mm dia GI pipe medium grade with clamps & nut bolts etc for fixing of light fitting and copper twin wire of 1.50 sqmm complete all as specified and directed.

M&L for earthing complete to pole with galvanized mild steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25 Mtr below ground level) with top edge of earth plate not less than 1.5 Mtrs below ground level connected to GI wire 4 mm Dia as earth lead by means of nuts, bolts, thimbles, chuck nuts, washers of GI or steel, including PCC (concrete chamber) shall be PCC 1:3:6 type C-1 using 20mm graded stone aggregate, with fair finish internal surface of concrete chamber shall be given 15mm thick plaster in CM 1:4, funnel with wire gauge mesh, 80 mm thick RCC pit cover 320 mm x 320 mm of RCC 1:2:4 type B-1 using 20 mm graded stone aggregate reinforced with XPM, JALLI and charcoal dust and common salt all as shown in electrical plate No 3 of MES SSR Part-I (2009) and specified including provision 20 mm dia medium grade pipe and watering pipe shall be 20mm bore medium grade, and including all excavation and earth work & connecting the earthing to an earthing test point complete all as specified & directed .

NOTE: (i) The concrete pit shall be PCC 1:3:6 type C-140 mm thick pre cast cover slab of RCC(1:2:4) type B-1 using 20 mm graded stone aggregate reinforced with 8 mm TMT bars @ 10 cm C/C on both sides with suitable cast iron handle shall be provided in lieu of cost iron cover shown in the electrical plate No.3 of MES SSR Part -1 (ii) item includes the cost of 7.5 m GI pipe for protection of earth strip. (iii) PCC pits extra cost of addtional length of watering pipe,bends elbows etc.shall be deemed to be included in the quioted rate. (iv) Item includes the cost of 7.5 mtr length Galvised earth strip 25x4 mm.

Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 4sqmm dia galvanised iron or steel wire complete all as specified and directed

M&L for earthing complete with GI steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25 Mtr below ground level) with top edge of earth plate not less than 1.5 Mtrs below ground level connected and using with GI strip 25x4mm as earth lead by means of nuts, bolts, thimbles, chuck nuts, washers of GI or steel, including PCC (concrete chamber) shall be PCC 1:3:6 type C-1 using 20mm graded stone aggregate, with fair finish internal surface of concrete chamber shall be given 15mm thick plaster in CM 1:4, funnel with wire gauge mesh, 80 mm thick RCC pit cover 320 mm x 320 mm of RCC 1:2:4 type B-1 using 20 mm graded stone aggregate reinforced with XPM, Jali and charcoal dust and common salt all as shown in electrical plate No 3 of MES SSR Part-I (2009) and specified including provision 40 mm dia medium grade pipe and watering pipe shall be 20mm bore medium grade, and including all excavation and earth work & connecting the earthing to an earthing test point complete all as specified & directed .

NOTE: (i) The concrete pit shall be PCC 1:3:6 type C-140 mm thick pre cast cover slab of RCC(1:2:4) type B-1 using 20 mm graded stone aggregate reinforced with 8 mm TMT bars @ 10 cm C/C on both sides with suitable cast iron handle shall be provided in liew of cost iron cover shown in the electrical plate No.3 of MES SSR Part -1 (ii) item includes the cost of 7.5 m GI pipe for protection of earth strip. (iii) PCC pits extra cost of addtional length of watering pipe,bends elbows etc.shall be deemed to be included in the quioted rate. (iv) Item includes the cost of 7.5 mtr length GI earth strip 25x4 mm. LOCATION OF WORK: (a) 25 Wing (Rajokri) & (b) 2206 Sqn.

Supply,install, testing and commissioning of maintenance free chemical earthing system (Grid type, set of 04 earth) conforming to IS: 3043 using 17.2mm dia & 3000mm long copper rod with exothermic 'T' point rod with 7.5 mtr long copper strip of size 50mmx6mm and 90mm dia terminal copper pipe of thickness 1.6mm and 3000mm long with test certificate 99.99% . The ground enhancing compound made of Marconite conductive aggregate (consist of Marconite resin-based cements, adhesive and gypsum plaster) shall not be less than 45Kg. The electrode shall be provided on its top with an earth termination clamp made out of electrolytic grade copper for connecting earth continuity conductor with copper wire/strip. PCC chamber of size 300x300x300mm with cover shall be provided on top of earth system on 100mm thick PCC 1:3:6 bed concrete. The chamber shall burried in ground with top edge projecting upto 75mm from ground surface complete all as specified, directed and as shown on sketch/drawing on page 114-A of contract.

Note :- (i) The earth resistance value should be less than 1 ohm. (ii) The quoted rate shall include cost of copper strip 50mmx6mm upto 7.5mtr length and earth pit bore in hard/disintegrated rock. (iii) The contractor shall give a written guarantee for maintenance earth resistance of less than 01 ohm for a period of 5 years from the certificate date of completion and to arrange security deposit of Rs 5000.00 each earthing for 05 years. (iv) The short time and peak with standing current capacity for 1 second should be 25KA and 52.5KA respectively. In this regard CPR/ERDA/NABL approved Lab test report is mandatory of Marconite conductive aggregate. (v) The size of bore should not be less than 1500mm dia. Make- SN Engineering or equivalent from marconite conductive aggergate. LOCATION OF WORK: (a) 255 SU (Issapur), (b) Site N1 (Indaur), (c) Coo Sec (AF Rajokri).

S&F Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 32x6mm copper strip complete all as specified and directed.

S&F Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 32x6mm galvanised iron strip complete all as specified and directed.