| 1 | 2 | Excavation in trenches exe 1.5m depth and n exc 1.5 mtr in wide in hard/dense soil and getting out. | | 420 | Cum |
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| 2 | 3 | Removing of excavated material n exc 50m and depositing where directed at a level n exc 1.5m above the starting point. | | 137 | Cum |
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| 3 | 4 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in hard and dense soil. | | 260 | Cum |
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| 4 | 5 | Riddling Sand obtained from excavation for cable protection 8cm under the cable and 15cm above the cable in trench and get the thick layer of 18cm after ramming. Note :- In case sufficient sand not obtained from excavation, the required additional qty obtain from out side land as directed by the Engineer-in-Charge. The rate is deemed to be included. | | 147 | Cum |
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| 5 | 6 | Cutting of existing rigid surface/joints of Runway/ Taxi Teck/ Pavement of size 25 to 30 mm wide and 100- 150mm depth (average) in true vertical by using mechanical diamond cutter machine consisting of following activities :- | | 300 | RM |
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| 6 | 7 | (a) Raking out old decayed/damaged existing concrete surface/sealing compound and cleaning the joints thoroughly by removing dust, dirt foreign material by appropriate electric cutter/ diamond cutter and Air Compressor. Note:- After cleaning the joints thoroughly, it shall got approved by GE before progressing further. | | | |
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| 7 | 8 | (b) Removing the existing sealing composing from the edges, bottom and sides of the joints by cutting edges, bottom and sides of the joints 1 mm of the existing construction joints (upto full depth of existing joints) by mechanical tool (Diamond cutter) to make the cross section of joint truly rectangular. Note:- Cleaning the edges/sides/bottom of joints by using diamond cutter only and clean surfaces shall got approved by GE. When the cleaning process approved by GE, primer and joint filling done in presence of Engr in charge. | | | |
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| 8 | 9 | (c) Once again cleaning the joints with compressed air and provide backup rod of 30-35mm dia and applying two primer coats upto the 10 to 15mm or above bake up rod depth & width of the existing joints after and interval of 30 minutes to complete prepared susrface the joints. | | | |
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| 9 | 10 | (d) Sealing the joints with polyurethane joints sealant/ and removing the tap after sealent is applied complete all as specified and directed. Note :- (i) Material shall conform to BS (Manufacturer : FOSROC (COLPOR-200 gray) or Chemtallraj India Pvt Ltd (RALLITHANE) OR STP Ltd (Shalifax PU) or calibur construction chemistry- X seal traffic loop power component or CIcO of Cippy ply seal. | | | |
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| 10 | 11 | (e) Electric supply shall be arranged by the contractor at its own arrangements. | | | |
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| 11 | 12 | Fixing in repairs Taxi light fitting and connecting the Taramac lighting cables with necessary spike all as directed by Engineer-in-Charge.\nNote :- \n(i) Taxi light fittings will be issued by Air Force authority.\n\n(ii) PCC foundation for fixing the fittings will be measured separately. | | 80 | Each |
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| 12 | 13 | Fly ash cable protection cover of size 23x11.5 x7.5cm including taking down existing bricks of any size. | | 14400 | Each |
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| 13 | 14 | Supply and installation of lightning air terminal made of non-corrosive materials, must comply and tested to NFC 17-102 and UNE 21186 standards. It should also be tested by CPRI India. The device should be tested for 100 KA of 10/350 µs waveform of lightning impulse current withstand test and anticipation emission time not less than 46 µs complying to NFC 17102 & CPRI. It shall provide complete protection by capturing dangerous lightning discharges and safely channelling it to earth. The lightning air terminal shall be an early streamer emission terminal which will respond dynamically upon stepped leader (lighting discharge moving down from the cloud) activity in the proposed Zone . The central finial shall be elevated above the spheroid and should be sharp pointed. Arcing shall occur between the panel sections of the spheroid and finial tip only upon the progression of a lightning leader. | | 5 | Each |
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| 14 | 15 | Note :- \n\n(a) The lightning protection system shall be of the advanced type which is designed to send upward streamer earlier than the other surrounding metallic points, attract lightning to a preferred point and safely convey the lightning energy to ground with a predetermined route.\n(b) It shall provide radius coverage of 107 mtr level 4 protection.\n(c) The lightning terminal should not use battery power, solar power, electronic spark device or any other active component for its operation.\n(d) The lightning air terminal shall be maintenance free type and frequent testing should not be necessary for ensuring the working of it.\n(e) The contractor shall give a written guarantee of minimum 05 years after certified date of completion.\n(f) The lightening terminal shall give reliable performance in all weather conditions. It should be suitable for corrosive environment also.\n(g) A security deposit of valve equal to 2.5% of the rate quoted for lightning air terminal shall be retained from payment due to the contractor for guarantee period.\nMake :- Model No Allytech 90T of Make Allywell or equivalent in Paratronex or Potencia | | | |
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| 15 | 16 | Supply and installation of elevation mast of minimum 5 mtr height. Suitable base shall be provided for mounting the mast and air terminal with adaptor coupler/ reducer, anchoring wires, clamps etc. Base and mast section shall be made of GI, coated with one coat of anti-corrosive zinc spray paint for additional protection. | | 5 | Each |
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| 16 | 17 | Supply and installation of high voltage cable of cross sectional area 70 sqmm insulated copper conductor with 0.5mm thick PVC sheathed copper cable for lightning current dissipation to the earthing system with necessary fixing clamp, connector accessories etc. Copper lug termination shall be used for fixing at both ends.\n\nMake :- Havells, Finolex, Plaza. | | 100 | RM |
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| 17 | 18 | Supply, installation, testing & commissioning of maintenance free chemical earthing system comprising 17mm dia copper bonded rod 3 mtr long horizontally pre welded T-terminal rod with provision for connection size of 50 x 150mm long, 6mm thickness with equal space either side, with 12mm dia hole of 02 numbers each on either side of the terminal clamp with 250 microns (average) coating thickness, tested and certified by CPRI India alongwith 50 kg earth energizer compound and 10 litres earth resistance reducing liquid. The earthing energizer compound and resistance reducing earthing liquid shall be tested as per IEC-62561-7 read with ASTM G57-06, CI 3.4 A by any NABL accredited lab. The above mentioned rod shall be installed in 8-10 inch bore, 12 feet depth with a distance of minimum 3 meters between each installation.\nMake : Model HTSP 3I7 of safeTrode or equivalent in JEF ECO safe earthing, OBO Betterman/ ENNOV/ERICO. | | 45 | Each |
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| 18 | 19 | The quoted rate shall also deemed to be included the following :- \n (i) Prior to installation of maintenance free chemical earthing, soil resistivity test to be carried out at the location where earthing work to be done in presence of Engr-in- Charge/JE (E/M),user and the report has to submit to Garrison Engineer with recommendation of manufacturer, if required additional interconnection of earthing (not more than 04 number of earthing) to achive earth result less then 1 Ohms. The arrangement done for soil resistivity testing and submission of report with recommendation deemed to be included in the quoted rate. | | | |
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| 19 | 20 | (ii) Rate of earth energizer compound of 25 Kg of 02 bags and earth resistance reducing liquid 10 litre in 02 canes (5 ltrs per cane) for each pit deemed to be included in the quoted rate. | | | |
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| 20 | 21 | (iii) Copper strip of size 20 x 3 mm should be fixed on proper post insulator at the instrument end ( The rate of earthing strip up to 7.5 Mtrs is included in the quoted rate). | | | |
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| 21 | 22 | (iv) The electrode shall carry manufacturer's name . | | | |
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| 22 | 23 | (v) The connection clamp shall be permanentlly welded to the copper bounded rod to avoid any kind of connectivity loss,.The pre-welded copper bounded rod shall not need any additional clamp for termination. | | | |
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| 23 | 24 | (vi) Testing of earth shall be carried out along with the departmental and user representative and report shall be submitted to Garrison Engineer for his entire satisfaction. | | | |
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| 24 | 25 | (vii) The contractor shall submit CPRI India certified document for copper bonded rod to ensure genuity of material. | | | |
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| 25 | 26 | (viii) Earth resistance tester will be provided by the contractor. Tester should be calibrated from authorised company/ lab. | | | |
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| 26 | 27 | (ix) Sign board of mild steel 2 mm thick duly painted with two coats of synthetic enamel paint over a coat of red oxide Zinc chrome primer showing result of earthing should be fixed near the earth pit after completion as directed by engr -in- charge. | | | |
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| 27 | 28 | (x) Earth work such as auguring and making good the surrounding area shall carried out in any type of soil. | | | |
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| 28 | 29 | (xi) The contractor shall given a written guarantee of minimum three years for maintaining the earth resistance less than 1 Ohm after certified date of completion. | | | |
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| 29 | 30 | (xii) A security deposit of value equal to 2.5 % of the rate quoted for chemical earthing per each earthing shall be retained from payment due to the contractor for the guarantee period. | | | |
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| 30 | 31 | (xiii) Earthing shall be tested after completion of work by the contractor in presence of Engr-in-charge, user and proper record shall be maintened duly signed by all concerned. After testing if the desired earth resistance of less than 1 Ohm is not obtained, the earthing will be redone at no extra cost to Govt. till desired result is obtained. | | | |
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| 31 | 32 | (xiv) Resistivity of earth energizer compound and resistance reducing earthing liquid shall be certified by any NABL accredited lab carried out as per IEC-62561-7 read with ASTMG57-06, CI-3.4A and the certificate of same shall be submitted by the contractor before commencement of work. | | | |
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| 32 | 33 | Supply and fixing Earth pit cover made of heavy duty poly plastic of high grade polypropylene tested and certified by any NABL accredited lab for load bearing capacity not less than 9.2 tonnes with top dia not less than 250mm, bottom dia not less than 330 mm and height not less than 260 mm dia for each electrode pit complete all as specified and directed.\nMake : Model SEPC 250 of SAFE TRODE or equivalent in JEF ECO safe earthing, OBO Betterman/ ENNOV/ERICO.\nNote :- The contractor shall submit load bearing capacity certificate from the manufacturer. | | 45 | Each |
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| 33 | 34 | Copper strip of size 20 x 3 mm should be fixed on proper post insulator at the instrument end | | 100 | RM |
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| 34 | 35 | S&F PVC multi standard copper conductor round cable 6 Sqmm 4 Core insulated unsheathed FRLS 1100 volts grade | | 400 | RM |
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| 35 | 36 | XLPE insulated,screened ,PVC Bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with aluminium condutor 1100Volts grade cross sectional area 50 Sqmm 3.5 core laid in trenches /ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets, taking down existing cable etc all as specified and directed. Note : Excavation and earth work shall be measured and paid seperately. Make : KEI/ CCI/ Havells | | 250 | RM |
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| 36 | 37 | XLPE insulated,screened ,PVC Bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with aluminium condutor 1100Volts grade cross sectional area 70 Sqmm 3.5 core laid in trenches /ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets, taking down existing cable etc all as specified and directed. Note : Excavation and earth work shall be measured and paid seperately. Make : KEI/ CCI/ Havells | | 300 | RM |
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| 37 | 38 | Cable jointing kit for 1.1 KV grade cable for outdoor stright through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armored aluminium conductor cable of size 50 sqmm to 70 sqmm\nMake : Reychems, Densons | | 4 | Each |
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| 38 | 39 | 50 mm bore of pipe high density polyethylene pipes (HDPE) of pressure rating 6 kgf/ cm2 laid in trenches for cable protection passing under road/ floor or for fixing to poles complete all as specified and directed | | 12 | RM |
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| 39 | 40 | XLPE insulated,screened ,PVC Bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with aluminium condutor 1100Volts grade cross sectional area 95 Sqmm 3.5 core laid in trenches /ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets, taking down existing cable etc all as specified and directed. Note : Excavation and earth work shall be measured and paid seperately. Make : KEI/ Polycab/ Havells | | 250 | RM |
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| 40 | 41 | XLPE insulated,screened ,PVC Bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with aluminium condutor 1100Volts grade cross sectional area 120 Sqmm 3.5 core laid in trenches /ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets, taking down existing cable etc all as specified and directed. Note : Excavation and earth work shall be measured and paid seperately. Make : KEI/ Polycab/ Havells | | 300 | RM |
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| 41 | 42 | Cable jointing kit for 1.1 KV grade cable for outdoor stright through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armored aluminium conductor cable of size 95 sqmm to 185 sqmm\nMake : Reychems, Densons | | 4 | Each |
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| 42 | 43 | 80 mm bore of pipe high density polyethylene pipes (HDPE) of pressure rating 6 kgf/ cm2 laid in trenches for cable protection passing under road/ floor or for fixing to poles complete all as specified and directed | | 18 | RM |
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| 43 | 44 | LED aviation obstruction light with IP 66 protection water clear poly carbonate UV stabilized dome neoprene rubber with bind spike with 302 Nos LED bulbs including necessary electric connections including 2.5 sqmm, 2 core, PVC copper cables fixed on wall with 20mm dia PVC conduit from DB to light fitting fixed in and including GI pipe 25mm dia 1 mtr long grouted with PCC complete/ binding with existing angle frame etc complete all as directed at site. Make : Bajaj Cat No - 110731 or equivalent in Wipro/ CG. | | 15 | Each |
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| 44 | 45 | Supply, installation, commissioning and testing of Factory assembled, Floor mounted, free standing, type tested LT Feeder Pillar Panels, with canopy, as per electrical specifications for outdoor installation, to be made of IP65 Polycarbonate modular enclosures. The Enclosures made of Polycarbonate, should be weather/ vermin proof, anti-acid, anti-corrosive, UV resistance in accordance with IEC 61439-1, Fire retardant and Self-extinguishing in accordance with IEC 60695-2-11, UL subject 94 for flammability V-0, should pass glow wire test for 960° in accordance with 60695-2-11. Degree of protection against mechanical load should be IK 08 (5 Joule) in accordance with IEC 62262, IP 65 in accordance with IEC 60529 & IEC60439-1, should have Dielectric Properties, RoHS compliant & Halogen free. The manufacturer of boards/panel shall submit a copy of type test reports as per above-mentioned norms from UL/ERDA/CPRI/NABL labs in India. The panels should be modular and compartmentalized in construction with opaque and transparent doors, properly tightened to base with thermoplastic screws having sealing gaskets of extruded silicon rubber to withstand adverse weather effects. The depth of modular enclosures should be above 200mm for air circulation & to minimize temp rise. Panel should be fitted with 01 No polycarbonate IP 65, 9W LED translucent bulk head luminaire, 6500K, PF > 0.95 under canopy for easy maintenance. Panel should be fitted outside with 01 No of 16A 3P IP 65 industrial socket and 01 No of 32A 5P IP 65 industrial socket. 3 phase and neutral 600 amps current carrying capacity copper bus bar insulated with colour coded heat shinkable sleeves with SMC/DMC insulators, complete with the following switch gears and mounting the panel board on ground with PCC (1:3:6) bedding upto a height of 45 cm above ground level, including dismantling and taking out old u/s LT Panel Board and remove from site reconnecting existing LT Cables with new panel board complete all as directed :- | | 1 | Each |
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| 45 | 46 | (a) MCCB, with electronic release, 4 Pole, 415 Volt, of capacity 400 Amps,36 KA - 1 No(Incomer) \n\n(b) MCCB, with Thermal magnetic release, 415 Volt, 4 pole, of capacity 250 Amps, 36 KA - 1 No \n\n(c) MCCB, with Thermal magnetic release, 415 Volt, 4 pole, of capacity 200 Amps, 25 KA - 3 Nos\n\n(d) MCB with Thermal magnetic release, 4 Pole, 100 Amps, 25 KA - 3 No. \n\n(e) Volt Meter digital type 0-500 Volt with selector switches - 1 No \n\n(f) Ammeter digital type with CT for three Phase 0-400 Amps with selcetor switch - 1 Set \n\n(g) LED indication lamps with backup MCB for 3 phase supply –1 set \n\n(h) Space for spare feeder - 01 No.\n\nMake of switch gear : L&T, ABB, Schnieder\nMake of LT Panel/ FPB shall be as per make mentioned in list of makes.\n | | | |
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| 46 | 47 | Removing of accumulated earth at run way shoulders of any width and depth upto 15cm cleaning / Cutting the grass with hand operated petrol/ kerosene driven grass cutting machine and removing the grass waste to outside MD land. Note : Periodicity and locations of cutting of grass as required by the air force authoriities. The measurement will be recorded by the air force authority in a pucca bound register and payment will be made based on the entries. | | 2300 | Sqm |
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| 47 | 48 | Taking out faulty Tarmac lighting UG cable, cutting faulty end and making joint using out door cable straight through jointing kit (Epoxy/ Heat Shrinkable type) suitable for PVC/ XLPE under ground cable, 3 KV grade including crimping copper sockets of suitable size complete of size upto 3 core 25sqmm.\nNote :- Excavation and earth work, sand cushioning, bricks for protection if necessary willbe measured and paid separately. | | 14 | Each |
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| 48 | 49 | XLPE insulated,screened ,PVC Bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with aluminium condutor 1100Volts grade cross sectional area 150 Sqmm 3.5 core laid in trenches /ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets, taking down existing cable etc all as specified and directed. Note : Excavation and earth work shall be measured and paid seperately. Make : KEI/ Polycab/Havells | | 200 | RM |
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| 49 | 50 | 100 mm bore of pipe high density polyethylene pipes (HDPE) of pressure rating 6 kgf/ cm2 laid in trenches for cable protection passing under road/ floor or for fixing to poles complete all as specified and directed | | 18 | RM |
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| 50 | 51 | Supply, installation, commissioning and testing of Factory assembled, Floor mounted, free standing, type tested LT Feeder Pillar Panels, with canopy, as per electrical specifications for outdoor installation, to be made of IP65 Polycarbonate modular enclosures. The Enclosures made of Polycarbonate, should be weather/ vermin proof, anti-acid, anti-corrosive, UV resistance in accordance with IEC 61439-1, Fire retardant and Self-extinguishing in accordance with IEC 60695-2-11, UL subject 94 for flammability V-0, should pass glow wire test for 960° in accordance with 60695-2-11. Degree of protection against mechanical load should be IK 08 (5 Joule) in accordance with IEC 62262, IP 65 in accordance with IEC 60529 & IEC60439-1, should have Dielectric Properties, RoHS compliant & Halogen free. The manufacturer of boards/panel shall submit a copy of type test reports as per above-mentioned norms from UL/ERDA/CPRI/NABL labs in India. The panels should be modular and compartmentalized in construction with opaque and transparent doors, properly tightened to base with thermoplastic screws having sealing gaskets of extruded silicon rubber to withstand adverse weather effects. The depth of modular enclosures should be above 200mm for air circulation & to minimize temp rise. Panel should be fitted with 01 No polycarbonate IP 65, 9W LED translucent bulk head luminaire, 6500K, PF > 0.95 under canopy for easy maintenance. Panel should be fitted outside with 01 No of 16A 3P IP 65 industrial socket and 01 No of 32A 5P IP 65 industrial socket. 3 phase and neutral 600 amps current carrying capacity copper bus bar insulated with colour coded heat shinkable sleeves with SMC/DMC insulators, complete with the following switch gears and mounting the panel board on ground with PCC (1:3:6) bedding upto a height of 60 cm above ground level, including dismantling and taking out old u/s LT Panel Board and remove from site reconnecting existing LT Cables with new panel board complete all as directed :- \n(a) MCCB, with electronic release, 4 Pole, 400 Amps, 36 KA , 415 Volt, 50 Hz - 1 No (incoming)\n\nMake of switch gear : L&T, ABB, Schnieder\nMake of LT Panel/ FPB shall be as per make mentioned in list of makes. | | 1 | Each |
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| 51 | 52 | Laying only in trenches/ through pipes or bare in road crossing/ paths/ drains/ ducts/ floor/ along poles/ walls/ ceiling/ equipments etc. Tarmac lighting cable of any size all as specified and directed.\nNote :- (a) Cable shall be issued by Air Force authority and excavation and earth work measured separately. | | 300 | RM |
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| 52 | 53 | Disconnecting from system and taking out old unserviceable, burnt, punctured taramac lighting cable 3 KV grade from excavated trenches/ ducts/ wall/ pole/ pipe etc, all as specified and directed.\nNote :- (a) Old/ unserviceable retrived Tarmac cable will be handed over to Air Force authorites.\n(b) Excavation and earth work measured separately. | | 300 | RM |
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| 53 | 54 | Supply, installation, commissioning and testing of Factory assembled, Floor mounted, free standing, type tested LT Feeder Pillar Panels, with canopy, as per electrical specifications for outdoor installation, to be made of IP65 Polycarbonate modular enclosures. The Enclosures made of Polycarbonate, should be weather/ vermin proof, anti-acid, anti-corrosive, UV resistance in accordance with IEC 61439-1, Fire retardant and Self-extinguishing in accordance with IEC 60695-2-11, UL subject 94 for flammability V-0, should pass glow wire test for 960° in accordance with 60695-2-11. Degree of protection against mechanical load should be IK 08 (5 Joule) in accordance with IEC 62262, IP 65 in accordance with IEC 60529 & IEC60439-1, should have Dielectric Properties, RoHS compliant & Halogen free. The manufacturer of boards/panel shall submit a copy of type test reports as per above-mentioned norms from UL/ERDA/CPRI/NABL labs in India. The panels should be modular and compartmentalized in construction with opaque and transparent doors, properly tightened to base with thermoplastic screws having sealing gaskets of extruded silicon rubber to withstand adverse weather effects. The depth of modular enclosures should be above 200mm for air circulation & to minimize temp rise. Panel should be fitted with 01 No polycarbonate IP 65, 9W LED translucent bulk head luminaire, 6500K, PF > 0.95 under canopy for easy maintenance. Panel should be fitted outside with 01 No of 16A 3P IP 65 industrial socket and 01 No of 32A 5P IP 65 industrial socket. 3 phase and neutral 350 amps current carrying capacity copper bus bar insulated with colour coded heat shinkable sleeves with SMC/DMC insulators, complete with the following switch gears and mounting the panel board on ground with PCC (1:3:6) bedding upto a height of 45 cm above ground level, including dismantling and taking out old u/s LT Panel Board and remove from site reconnecting existing LT Cables with new panel board complete all as directed :- | | 1 | Each |
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| 54 | 55 | (a) MCCB, with Thermal magnetic releas, 415 Volt, 4 pole, of capacity 250 Amps,36 KA - 1 No (Incomer) \n\n(b) MCCB ,with Thermal magnetic releas, 415 Volt, 4 pole, of capacity 200 Amps, 25 KA - 1 No \n\n(c) MCB, 4 Pole, with Thermal magnetic releas,100 Amps, 25 KA - 3 No. \n\n(d) MCB, 4 Pole, with Thermal magnetic releas,63 Amps, 25 KA - 2 No\n\n(e) Volt Meter digital type 0-500 Volt with selector switches - 1 No \n\n(f) Ammeter digital type with CT for three Phase 0-250 Amps with selcetor switch - 1 Set \n\n(g) LED indication lamps with backup MCB for 3 phase supply –1 set \n\n(h) Space for spare feeder - 01 No. .\n\nMake of switch gear : L&T, ABB, Schnieder\nMake of LT Panel/ FPB shall be as per make mentioned in list of makes.\n | | | |
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| 55 | 56 | XLPE insulated,screened ,PVC Bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with aluminium condutor 1100Volts grade cross sectional area 185 Sqmm 3.5 core laid in trenches /ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets, taking down existing cable etc all as specified and directed. Note : Excavation and earth work shall be measured and paid seperately. Make : KEI/ Polycab/Havells | | 250 | RM |
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| 56 | 57 | Supply, install, testing and commissioning of energy conversion digital grounding apparatus three phase 4 wire 240 KA with inbuilt 100% lighting surge protection, noises, ESD, EPR and abnormal electrical characteristics which enter power and other service lines and ensuring clear bonding potential (Earth to neutral voltage) less than 1.0 volt to be connected in parallel to the circuit, conforming to IE, tested and certified as per latest certification (IEC 61643-1, IEC-61000-4-5, IEC-61000-6-1, IEC-61000-6-3, MIL-STD-810-G, ISO 14001-2004) in prewired metal enclosure with pulverulent body painting including all accessories required for installation etc complete all as specified and as directed.\nMake : Ground Co ltd Model No eca 3 G LP-34-40 of equivalent. | | 1 | Each |
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| 57 | 58 | M&L Earthing with Galvanised Earth Plate Electrode 600x600x 6mm thick burried directly in Ground (Earth Pit not less than 2.25 Metre below Ground Level) with Top edge of the Plate not less than 1.50 Metre below Ground Level, connected with Galvanised Earth Strip of size 32 x 6mm by means of Bolts, Nuts, Check Nuts and Washers of GI or Steel and connected Earthing Testing Point/Bus-bar including GI 40mm bore (dia) light grade Protection Pipe, Earth Plate surrounded by a packed thickness of Char Coal or Coke Dust mixed with Common Salt, magnesium sulphate (1 : 1 : 0.5) in alternate layers of not exc 150mm thick, PCC Pit in Cement Concrete 1:3:6 (20mm graded stone aggregate) and Pre-cast RCC Cover Slab of size 350x350x50 mm in Cement Concrete 1:2:4 (20mm graded stone aggregate), reinforced with 10mm dia TMT Bars @ 100mm Centre to Centre in both ways, GI Wire Mesh, Funnel with GI Watering Pipe 20mm bore (dia) medium grade including necessary Excavation in Soft/Loose Soil, Returning, Filling in and Removal of surplus Spoil upto a distance of 50.00 Metre and all as shown in Electrical Plate No. 3 of MES Schedule Part-I and Testing on Completion including taking down old unserviceable one, complete all as per specified and as directed. \n | | 4 | EACH SET |
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| 58 | 59 | Note :-\n\n(a) All Joints should be joined by Exothermic Welding or Brazing. | | | |
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| 59 | 60 | (b) After completion of work earthing shall be tested by the contractor in presence of Engineer-in-Charge, User and proper record shall be maintained duly signed by all concerned. | | | |
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| 60 | 61 | (c) Earth resistance tester should be calibrated from authorised company/ lab. | | | |
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| 61 | 62 | (d) After testing if desired earth resistance of less than 5 Ohm is not obtained, the earthing will be redone at no extra cost to Govt till desired result is obtained. | | | |
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| 62 | 63 | M&L Cement concrete in foundations, filling and mass concrete 1:4:8 type D2 40mm graded aggregate. | | 1 | Cum |
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| 63 | 64 | PCC 1:2:4 type C-1 (using 20mm graded brick aggregate) as in coping/ foundation including necessary form work etc complete all as specified and directed. | | 1 | Cum |
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| 64 | 65 | Supply and lay earth continuity conductor or main earthing lead of 8 SWG (4mm dia) in trenches along the runway lighting cable all as directed.\nNote :- Excavation and earth work measured separately. | | 300 | RM |
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