PROVISION OF WORK SERVICES FOR NEW WCDMA AFCEL TOWER, PROVISION OF CERTAIN B/R AND E/M WORKS FOR INSTALLATION OF GLOBAL LINK NECTOR I- LEVEL MAINTENANCE FACILITY AND SPL REPAIR / REPLACEMENT OF EARTHING PITS AND LIGHTENING ARRESTERS AT AF STN BARRACK

Amount

Excavating over areas, n exc1.5 m deep and getting out in soft/losse soil complete all as specified and directed.

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5mtr in depth and getting out in soft/loose soil for laying of under ground cable complete all as specified and as directed.

Removing excavated materials (soils) not exc. 50.00 mtr and depositing where directed at a level not exc. 1.50 mtr above from starting point complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 250mm in soft/loose soil, complete all as specified and directed.

Material and labour for sand cushioning with clean and dry river sand for protection of PVC cable with approved sand of uniform thickness. laid dry, filling in trenches and punning down in proper required layers complete all as specified and as directed. Note:- Punned down thickness shall be measured for payment.

Material and labour for cutting chases in brick wall, 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 not exc 10 cm girth complete all as specified and directed.

Materials and labour for brick protection cover to underground cables with sub class ‘B’ bricks of size 23 X 11.5 X 7.5 cm, (locally available best quality), laid dry and flat putting each other with gaps not exceeding 10mm complete all as specified and as directed.

Material and labour for hardcore of broken stone or boulder of gauge n.exc 63mm, deposited, spread and leveled in layers n.exc 100mm thick, watered and rammed to a true surface complete all as specified and directed.

Material and labour for PCC (1:4:8) type D2 (using 40 mm graded stone aggregate ) as in foundation, filling and mass concrete complete all as specified and directed.

Material and labour for PCC (1:3:6) type C-2 (using 40 mm grade stone aggregate) as in foundation, filling and mass concrete complete all as specified and as directed.

Material and labour for cutting the road/hard standing and making good disturbed surfaces by using PCC (1:3:6) type C-2 (using 40 mm graded stone aggregate) for laying pipe complete all as specified and directed.

Material and labour for 75mm thick PCC (1:3:6) type C-2 (using 40mm graded stone aggregate) as in path including finishing the concrete surface fair and even complete all as specified and directed.

Material and labour for cutting openings, through brick walls for door, window and other openings or enlarging existing openings. converting window into door openings, etc. or cutting out defective brick work for under-pinning, including providing, fixing and removing shoring, cleaning and stacking bricks, removing surplus serviceable bricks, hard-core, etc. including removing rubbish from site complete all as specified and directed.

Material and labour for 5mm thick printed PVC sheet in strips & channel feathered at the edges for fixing on Solid PVC Wall Lining, Insulated PVC Wall Lining, and Solid PVC Partitions inclusive of Solvent Cement and fixing at site complete all as specified and directed.

Material and labour for anodised aluminium door shutters, aluminium section weighing 0.55 kg/m including necessary joining cleats, glazing clips, ruber neoprene packing, handles 2 Nos in each door, hinges, anodised aluminum snap beading screws etc. complete all as specified and directed.

Supply and fix powder coated aluminium (minimum thickness of powder coating 50 micron) work for doors, windows, ventilators and partitions (fixed portions) with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS: 733 and IS:1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing/ paneling, CP brass/ stainless steel screws complete all as specified and as directed.

Supply and fix door closer aluminium (extruded section body) hydraulically regulated, designation No. 3, universal type, suitable for door shutters of 851 to 1000 mm in width and of weight between 61 to 80 kg and fixed complete all as specified and directed.

Material and labour for 60mm thick and M-35 Grade machine pressed precast cement concrete interlocking paver blocks pre-polished coloured of any shape and size confirming to IS-15658-2006 including 50mm thick sand cushioning complete all as specified and as directed. Note: - Size, shape and colour shall be decided by GE.

Material and labour for 15mm thick rendering on fair faces of brick work or concrete surfaces in cement mortar (1:6) and finish the surfaces even and smooth without using extra cement as in wall complete all as specified and directed.

Material and labour for preparation of new plastered surfaces of walls and applying two coats of acrylic washable distemper over a coat of alkali resistance primer complete all as specified and directed.

Material and labour for 5mm thick Sheet glass, ordinary quality and glazing with oil putty in square n exc 0.5 sqm in each pane with solar control film 25 micron reflective type sticked to glass panes as per instructions of manufacturers complete all as specified and directed.

Supply and fix 40mm bore GI pipe (light grade) with all fittings for protection of cables to cross under road, hard standing, pavement etc complete all as specified and as directed.

Supply and fix 50mm bore GI pipe (light grade) with all fittings for protection of cables to cross under road, hard standing, pavement etc complete all as specified and as directed.

Supply and fix 150mm bore HDPE pipe suitable for 0.4 MPA working pressure with all fittings for protection of cables to cross under road, hard standing, pavement etc complete all as specified and as directed.

Material and labour for light/fan point wiring (concealed type) with single core PVC insulated unsheathed multistranded FRLSH copper conductor cable of 1100 volts grade size 1.5 sqmm (nominal area) in and including heavy duty rigid non metalic PVC conduit with accessories of suitable size including modular flush metal boxes with inner and outer modular cover plates for housing switches, sockets and regulators with all fittings and fixing materials with one single core PVC insulated unsheathed 1.5 sqmm (nominal area) multistranded FRLSH copper conductor as earth continuity wire and connected to earth dully complete all as specified and directed. Note: (a) Red coloured cable shall be used for live connection, black coloured cable shall be used for neutral connection and green coloured cable shall be used for earthing. Separate cable for earthing and neutral to be used for Each individual circuit from the distribution board. (b) Quoted rate shall be included for cuttings /chasing the wall and making good disturbed surfaces to fix PVC conduit and MS terminal box.

All as per item No. 25.00 here-in-before but for one five pins 5 Amps switch socket outlet point on independent board and -ditto-.

All as per item No. 25.00 here-in-before but for one five pins 5 Amps switch socket outlet point on same board and -ditto-.

All as per item No. 25.00 here-in-before but for 15 amps socket outlet with 4.0 sqmm PVC insulated (FR-LSH) unsheathed copper cable multistranded conductor 1100 volts grade including 4.0 sqmm PVC insulated (FR-LSH) unsheathed copper cable multistranded conductor 1100 volts grade as earth continuity conductor and connecting to common earth dully and -ditto-.

Supply and fix modular switch 1 way 6 amps, 1 module complete all as specified and directed

Supply and fix modular switch 1 way 16 amps, 1 module complete all as specified and directed.

Supply and fix modular shuttered sockets 6 amps, 2/3 pin combined two module complete all as specified and directed.

Supply and fix modular shuttered sockets 6/16 amps, 2/3 pin combined two module complete all as specified and directed.

Supply and fix ceiling rose, 3 terminals, fabricated of PVC/Polycarbonate, isolated body complete all as specified and directed.

Supply and fix modular fan regulator step type 120W, 2 module complete all as specified and directed.

Material and labour for sub-main wiring comprising single core , 2 runs of 6.00 sqmm nominal cross sectional area, FRLSH multistranded copper conductor cable, PVC insulated unsheathed 1100 volts grade drawing in and including appropriate dia of PVC conduit and its fittings complete surface/concealed including provision of 1x6.00 sqmm nominal cross sectional area single core FRLSH multistranded copper conductor cable, PVC insulated unsheathed 1100 Volts grade as earth wire complete all as specified and directed. Note :- (i) Extra length of cables/ wire required for connection to MCBs/DB's shall be included in quoted rate. (ii) Cuttings /chasing of wall etc and making good the disturbed surface shall be measured and paid separately under respective items.

Supply and fix single pole and neutral (DP) enclosure with a two pin and earth plug and socket complete with one single pole MCB 240 V, 20 Amps "C" series complete all as specified and directed. Make:- LEGRAND / SCHNEIDER / SEIMENS / HAGER / L&T.

Supply and fix emergency push button station 32Amps single phase Normal opaque push button - Green with 1NO contact block, “START” + Normal opaque push button - Red with 1NC contact block, ”STOP” complete all as specified and directed. Make: Siemens/ SCHNEIDER / SEIMENS / HAGER / L&T.

Supply and fix sheet metal enclouser SPN DB 8 ways double door having facility to fix MCB in incomer and MCBs in outgoing, IP-43 type complete fitted with 200 Amp rated bus bars, neutral links, blanking plates complete all as specified and directed.

Supply and fix MCB SPN, 240 Volts, of 40 to 63 amps current rating, 10 KA breaking capacity "C" series complete all as specified and directed.

Supply and fix MCB SP, 240 Volts, of 6 to 32 amps current rating, 10 KA breaking capacity "C" seriescomplete all as specified and directed.

Supply and fix wall mounted air circulator fan 240V, 50Hz oscilating 450mm sweep with pull button regulator type including complete accessories, necessary electric connection with and including fixing on walls of any description with nut, bolt, washer and making good distrubed surfaces complete all as specified and as directed. Make: - Crompton Greaves/ Havells/ Bajaj/ Orient/ Usha.

Supply and fix UPS 5.2 KVA single phase, input voltage 100V to 290V and output 230V +/- 1% with 2hr min power back up with DC in-built battery bank (No of batteries and capacity shall be decided by OEM) complete set with digital display board including copper connecting cable and all kind of electric and installation works complete all as specified and directed. Make: For UPS- Luminous Cruze+ or equivallent equivalent model of APLAB/ SUKAM/ TATA Liebert and for battery- EXIDE/ AMCO/ AMARON Note:- Necessary provision shall be given for easy shifting from one place to another by using in-built multi directional wheels and base complete set.

Supply and fix inverter type high wall split AC units indoor and outdoor, complete with cordless remote control unit and with inbuilt air ioniser and plasma filter, copper condenser, copper cooling coil evaporator, single phase of capacity 1.5 TR BEE 5 star rated complete all as specified and directed. Make: HITACHI/ DAIKIN/ CARRIERS. Note: All kind of electric and installation works and connected accessories/mounting brackets shall be included in quoted rate.

Supply and fix voltage stabilizer for automatic operation single phase, naturally air cooled indoor type, designed for input variation between 170V to 260V with output voltage stabilized at 230V, with accuracy +/- 2.5% of capacity 5KVA fixed on wall or any location as directed including connected accessories all as specified and as directed. Make: V-Guard / Microtech / PHILIPS.

Supply, laying, connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable (heavy duty with stranded aluminum conductor) of size 16 Sqmm, 2 core, 1100 Volts (earthed) grade, confirming to IS-7098 (Part-I) laid through duct/ pipe / in trench etc. with cable glands & suitable size of aluminium lugs complete all as specified and as directed. Note : Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item.

Supply, laying, connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable (heavy duty with stranded aluminum conductor) of size 50 Sqmm, 3.5 core, 1100 Volts (earthed) grade, confirming to IS-7098 (Part-I) laid through duct/ pipe / in trench etc. with cable glands & suitable size of aluminium lugs complete all as specified and as directed. Note : Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item.

Material and labour for earthing complete with GI earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground with 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 GI earth strip of size 32 x 6 mm earth lead by means of nuts, bolts, check nuts, washers of galvanised iron as steel, protected by galvanized iron pipe 40mm bore (medium grade) all as directed including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 30 x 30 x 5cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 30 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR Part-I including testing on completion complete all as specified and directed. Note:- GI strip upto 7.5m length including testing shall be included in quoted rates.

Material and labour for earthing complete with GI earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground with 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 GI wire 4 mm dia earth lead by means of nuts, bolts, check nuts, washers of galvanised iron as steel, protected by galvanized iron pipe 15 mm bore (medium grade) all as directed including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 30 x 30 x 5 cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 30 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, earth testing point, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR Part-I including testing on completion complete all as specified and directed. Note:- GI wire upto 7.5m length including testing shall be included in quoted rates.

Material and labour for earth continuity conductor of GI wire of 4mm dia, 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 DB's / Indoor type LT PBs or any other indicated situation for loop earthing etc complete all as specified and directed.

Supply installation, commissioning and testing including providing all necessary electrical connection, LT feeder pannel board (CPRI Approved), outdoor type, double door,factory made out of 3.15 mm thick CRCA sheet of size 0.60 m x 0.60 m x 0.45 m deep having hinge opening arrangement in front and back side and bottom frame made out of angle iron of size 50x50x6mm thick and 04 nos legs 0.5 meter length with cable entry and exit circular hole with cable gland & gasket at bottom complete including painting to all internal and external exposed steel surfaces with powder coating paint (5 stage process) with duly fixed in ground with necessary PCC foundation (1:2:4) type B1, with danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled (white), with letters, figures and conventional skull and bones in signal red colour, fixing lugs, bolts, screws etc including necessary excavation work for taking out cable loop, foundation of panel board and refilling and comprising of the following accessories:- (a) Anodized Copper bus bar of capacity 200 Amp -04 Nos. (b) MCCB 63 A fixed thermal and magnetic release type, 415 Volts 4 pole, 16 KA - 01 Nos (Out going). (c) MCB 40 Amps 'C' curve SPN with breaking capacity 10KA - 1 Nos. (d) Indicator lamp LED type (set of three red,yellow,blue)- 01 Nos. complete all as specified and directed

Materials and labour for boring of holes under road/ runway/pavement/ hardstanding etc. with trenchless technology for passing GI protection pipe 50 mm bore complete all as specified and directed Note-Necessary infrastructure required for boring shall by arranged by the contractor and cost of the same included in quoted rates.

Materials and labour for boring of holes under road/ runway/pavement/ hardstanding etc. with trenchless technology using ultra sounding technique for passing HDPE pipe 150 mm bore complete all as specified and directed. Note-Necessary infrastructure required for boring shall by arranged by the contractor and cost of the same included in quoted rates.

Supply and installation of advance encapsulated compound based CPRI tested maintenance free, pipe-in-pipe technology upgraded (zinc & alloy coated), zinc coating ( 80-100) microns with pure zinc (99.9%) & alloy coating (200-250)microns. Earthing system conforming to IS-3034, ASEEL-39. The outer and inner pipe should be 76.2 mm & 41.9 mm, 3mtrs length, zinc coated with additional special alloy coating 300mm on the top side for additional corrosion protection of the terminal. The annular space between the pipes being filled up with COMPACT FILL(CF) (Crystalline Conductive Compound). The COMPACT FILL (CF) mixture which is machine pressed in the pipes should not disintegrate or collapse when outer pipe corrodes. The inner pipe should be extended with terminals for connectivity. The job includes digging the pits of dimension 60cm X 60cm up to depth of 3.1m and replace the soil with low resistive soil as approved by Engr-in-Charge, then make a bore of dia 200mm of depth 3.1m and refilling the same by conductolite back fill compound (Ground Enhancer), the BFC should be eco friendly it should not contain environmentally hazardous material / metal having RoHS Certification from NABL accredited lab. Good earth is to be arranged to fill the excavated pits by mixing the same with BFC 2 bags including FRP (Fiber reinforced plastic) light weight, high mechanical strength, chemical resistance with detachable easy locking lid of size 250mm X 250mm of thickness 2mm and the earthing should be installed by applicator of the manufacturer / authorised dealer including taking down old existing unserviciable earthing complete all as specified and directed. Make- ASHLOK / MACKMET/CAPE

Supply and installation of advance encapsulated compound based CPRI tested maintenance free, pipe-in-pipe technology upgraded (zinc & alloy coated), ZINC COATED( 80-100)microns with pure Zinc (99.9%) & ALLOY COATING (200-250)microns. Earthing system confirming IS-3034, ASEEL -39. The outer and inner pipe should be of dia 76.2 mm & 41.9mm 2mtrs Length, Zinc coated with additional special alloy coating 300mm on the topside for additional corrosion protection of the terminal. The annular space between the pipes being filled up with COMPACT FILL (CF) (Crystalline Conductive Compound). The COMPACT FILL (CF) mixture which is machine pressed in the pipes should not disintegrate or collapse when outer pipe corrodes. The inner pipe should be extended with terminals for connectivity The job includes digging the pits of dimension 60cm X 60cm up to depth 2.1m and replace the soil with low resistive soil as approved by Engr-in-Charge, then make a bore of dia 200mm of depth 2.1m and refilling the same by Conductolite Back Fill compound (Ground Enhancer), the BFC should be eco friendly it should not contain environmentally hazardous material/metal having RoHS Certification from NABL accredited lab. Good earth is to be arranged to fill the excavated pits by mixing the same with BFC 1 bags (as per soil condition), including FRP (Fiber reinforced plastic) light weight, high mechanical strength, chemical resistance with detachable easy locking lid of size 250mm X 250mm of thickness 2mm, and the earthing should be installed by applicator of the manufacturer / authorised dealer including taking down old existing unserviciable earthing complete all as specified and directed. Make- ASHLOK / MACKMET/CAPE

Material and labour for earthing complete with copper earth plate electrode of size 600 x 600 x 3.15mm thick buried directly in ground with 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 copper strip of size 20 x 3mm earth lead by means brazing after fixing of nuts, bolts, check nuts, washers of galvanised iron steel, protected by 40 mm bore HDPE pipe of pressure rating 6 kgf/sqcm all as directed including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 30 x 30 x 5cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 15 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, earth testing point, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR Part I including testing on completion including taking down old existing unserviciable earthing complete all as specified and directed. Note:- Strip upto 7.5m length including testing shall be included in quoted rates.

Material and labour for earthing complete with GI earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground with 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 GI earth strip of size 32 x 6 mm earth lead by means of nuts, bolts, check nuts, washers of galvanised iron as steel, protected by 40 mm bore HDPE pipe of pressure rating 6 kgf/sqcm all as directed including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 30 x 30 x 5cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 15 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR Part-I including testing on completion including taking down old existing unserviciable earthing complete all as specified and directed. Note:- GI strip upto 7.5m length including testing shall be included in quoted rates.

Material and labour for earthing complete with GI earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground with 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 GI wire 4 mm dia earth lead by means of nuts, bolts, check nuts, washers of galvanised iron as steel, protected by 40 mm bore HDPE pipe of pressure rating 6 kgf/sqcm all as directed including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 30 x 30 x 5 cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 15 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, earth testing point, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR Part-I including testing on completion including taking down old existing unserviciable earthing complete all as specified and directed. Note:- GI wire upto 7.5m length including testing shall be included in quoted rates.

Material and labour for earthing continuity conductor or main earthing lead fixed to wall or recess or chases with 20 x 3 mm copper strip fixed on porcelin insulator at distance 45 cm including nut bolt drilling hole etc after taking down old unserviceable strip complete all as specified and directed. Note : Joining of copper strip shall be made by brazing after fixing of nuts & bolts.

Material and labour for galvanised iron strip of size 32 x 6mm buried in ground after taking down old unserviceable strip complete all as specified and directed. Note : Joining of GI strip shall be made by welding.

Material and labour for aluminium strip 25 x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground after taking down old unserviceable strip complete all as specified and directed. Note : Joining of aluminium strip shall be made by brazing/soldering.

Material and labour 40mm dia galvanised steel tubes (light grade) with fittings, laid in trenches / wall for protection of underground earth strip when crossing the road / fixing on wall after taking down old unserviceable pipe complete all as specified and directed.

Materials and labour for 40mm dia high density polyethylene pipes (HDPE) of pressure rating 6 kgf/cm2 fixed complete to walls, ceilings or in floors etc including taking down old unserviciable existing pipe complete all as specified and directed.

Material and labour for fabrication of display board for earth pit Nos, location and periodical test results for power circuit earthing, machinary earthing, lightening conductor earthing, made of GI sheet 4.0 mm thick, rectangular welding on 12 mm dia rod of minimum height from ground level 45 cm including fixing in PCC (1:2:4) type B1 (using 20mm graded stone aggregate) of size 20cm X 20cm X 10cm foundation to be carried out at different location dimension of board shall be 30 cm X 25 cm. The instruction shall be written black painted board in white letters not less than 2" size for all type of boards including taking down old existing unserviciable display board complete all as specified and directed. Note : (a) All necessary GI sheet, aluminium screws and PCC works etc shall be deemed included in the quoted rates. (b) The fabrication of contents on the screen printing should be collected before printing the board from Engineer-in-charge.

Material and labour for PCC (1:3:6) type C-2 (using 40 mm grade stone aggregate) as in foundation and mass concrete complete all as specified and directed

Material and labour for construction of earth pit made out of cement concrete (1:3:6) type C-1 (using 40mm graded stone aggregate) and cover slab made out of precast RCC (1:1.5:3) type A-1 (using 20mm graded stone aggregate) of size 30 x 30 x 5cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 15 cm long, bent to shape as lifting handle, funnel, wire mesh including dismantling of old existing earth pit complete all as specified and directed .

Material and labour for painting of earth pit chamber by two coats of synthetic enamel paint after cleaning earth pit properly with iron wire brush and indicating board as per colour code complete all as specified and directed.

Taking down of damaged GI / copper / aluminium strip including air termination of any specification and refixing the GI / copper / aluminium strip including air termination after repair in existing location complete all as specified and directed.

Material and labour for air termination single pointed copper rod,12mm dia and 300mm long including necessary fixing arrangment using clamps,nuts and nuts including taking down old unserviceable air termination rod complete all as specified and directed.

Material and labour for test point termination box made of gun metal or phosphorus bronze size 75x75x25 mm drilled and screwed including 3 Nos, 8 mm dia, 25mm long hexagonal heads screw for lighting conductors including taking down old existing unserviciable termination box complete all as specified and directed.

Supply and fix in repair porcelain insulator for supporting or passing or copper strip from roof / wall including necessary nuts and bolts complete all as specified and directed.

Taking down of damaged GI / copper / aluminium strip including air termination of any specification and refixing the GI / copper / aluminium strip including air termination after repair in existing location complete all as specified and directed. Note:- Replacement of porcelain insulator for supporting or passing or copper strip/GI/Aluminium strip from roof/wall to be mesured and paid separately.

Material and labour for excavating for earth pit of size 45 cm x 45 cm x 60 cm into the adjacent of the high resistance value GI earth pit, make a bore of dia 200 mm from the bottom of excavated pit upto a depth of 2 mtr and provide a 2mtr GI pipe of 40mm bore and fill BFC compound conductolite (1 bag of 25 Kg) aroun the 40mm GI pipe in the 200mm bore hole and connect the 40mm GI pipe with GI strip of size 32 X 6 mm including connection with the existing strip by proper welding/soldering including returning filling complete all as specified and directed. Note:Joints at both ends of GI pipe and GI strip should be welded. Make of BFC:- ASHLOK / MACKMET/CAPE

Material and labour for welding to GI Earth strip joints including replacement of existing nuts bolts joints complete all as specified and directed.

Material and labour for soldering/brazing to the copper strip joints in replacement of existing nuts bolts joints complete all as specified and directed.

Material and labour for refixing / re-alignment of existing air termination rod alongwith necessary clamping and PVC sleeve of any specification / position complete all as specified and directed. Note:- If PCC required at site for errection of the air termination shall be measured and paid under respective item.

KUMAR ENTERPRISE

NARAYAN BUILDERS

SARKAR AND COM