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| 1 | Material and labour for filtration/ dehydration of transformer oil including checking di-electric strength of oil before and after filtrationfor transformers located in GTRE area with suitable machine having filtration, heating and pumping facility to improve the dielectric strength / insulation value of oil complete all as specified and as directed.NOTE : (i) Di-electric strength of oil after filtration / dehydration shall not be less than 60 KV/min.(ii) The contactor shall take shut down orders in working before commencement of the work in writing from Engineer-in-Charge.(iii) The contractor shall ensure no wastage of existing transformer oil. (iv) The di-electric strength of oil shall be tested before and after filtration and test results shall be submitted to Engineer-in-Charge. (v) The contractor shall ensure that the conservator tank are full to its level before starting the dehydration. |
| 2 | Supply and filling new transformer oil for topping up the transformers duly filtered with filtration plant having dielectric strength not less than 60 KV complete all as specified and as directed.[Make : Power oil/ Electrol/ Servo].NOTE :-(a)The transformer oil shall be type EHV confirming to IS - 335 / 1983.(b)Mineral oil grade shall be used.(c)The IR value of transformer oil shall not be less than 60 KV/min.(d)The unit rate shall be deemed to include the cost of filtration to achieve desired di-electric strength. |
| 3 | Maintenance / servicing of existing transformer of capacity upto 500 KVA including following work / operations complete all as specified and as directed and to the entire satisfaction of Engr-in-Charge :-(a)Opening of top plate after disconnection from HT / LT side. (b) Decaning of old transformer oil and keeping it for reuse after centrifuging to required dielectric strength as per IS schedules(c) Checking, maintenance of all internal parts of HT / LT coils of all places, HT bushing, internal electrical connections, tap changing gear box.(d) Internal cleaning of tank by taking of complete coil / core of transformer outside and also cleaning of cooling tubes and make itfree from sludge deposition.(e) Refilling of oil after repairs / maintenance work.(f)Change of cork Gasket of top cover.(g) Taking meggar value by applying not less than 5000 Volts meggar on HT side and not more than LT side from 500 Volts meggar and recording results.(h) Change of silica jel and glass portion of oil level indicator of cover both sides. |
| 4 | All as per Sl Item No. 3 above but of capacity above 500 KVA to 750 KVA |
| 5 | All as per Sl Item No. 3 above but of capacity above 750KVA to 2000 KVA |
| 6 | Material and labour for opening and dismantling of all electrical connection from buck / boost transformer of 11 / 11 KV capacity 4 MVA for servicing purpose for checking of complete bushing assy includingremoving leakage of oil / replacement oftop gasket and assembling the same after servicing and complete testing of buck / boost transformer by the authorized company representative and test certificate shall be furnished complete all as specified and as directed by the Engineer-in-Charge(a)Insulation resistance test(b)Oil temperature alarm trip(c)Winding temperature alarm trip(d)Bucholtz relay alarm trip(e)Low oil level alarm trip (MOG)(f) Vector group(g)Di-electric test of transformer oil(h)Short circuit test(j) Magnetic core balance test (MBT) |
| 7 | Material and labour for opening of all electrical connection from 11 KV automatic voltage regulatorand drain out complete oil from the tanks for servicing purpose including opening of top cover and lift the core with help of crane carefully for servicing purposeincluding servicing of three Nos synchronizing motor for its better functioning including testing of carbon roller assembly/ cleaning of control contact assemblyand replacement of the same if required and replacement of minor worn out parts and replacing of top gas kit complete and reassembling the same including making all connection and testing complete for entire satisfaction of Engineer-in-Charge. NOTE :-(a)Quoted rate by the contractor shall be deemed to include for repairing of AVR at site only.2. Major parts replaced shall be paid separately under relevant items of schedule.3. Test certificate shall be provide by the contractor after serving job done. |
| 8 | Supply and fix in replacement ofstep synchronisemotor with gear box assembly and shaft sprocket 1 ph 230 v 50 Hz 10 / 15 RPM suitable for 11 KV AVR complete all as specified and as directed. |
| 9 | Supply and fix in replacement of electronic Auto control PCB suitable for 11 KV Automatic voltage regulatorincluding removing the unserviceable one and making all connection as per existing complete all as specified and as directed. |
| 10 | Supply and fix in replacement of flip flop relay suitable for 11 KV automatic voltage regulator complete all as specified and as directed. |
| 11 | Supply and fix in replacement of carbon roller assembly of 11 KV automatic voltage regulator including making all connection and testing complete all as specified and as directed. |
| 12 | Supply and fix in replacementtag and tail with sleeving of 11 KV automatic voltage regulator including making all connection and testing complete all as specified and as directed. |
| 13 | Supply and fix in replacement of pneumatic typeon delay timer working on 230V 50 HZof 11 KV automatic voltage regulator including making all connection and testing complete all as specified and as directed. |
| 14 | Material and labour for taking out bottom trolley of HT OCB / VCB11 KV 400 / 800 Amps capacity after disconnecting power supply and carrying out servicing and maintenance of operating mechanism, latch assembly spring mechanism, checking of electrical control wiring of OCB/VCB and checking for proper functioning of shunt trip coil, lubricating of all moving parts and checking / cleaning of alignment of moving contacts with fixed contact assembly for proper functioning of operation. Reassembling of bottom trolley of HT OCB fixed in its original position and testing for smooth functioning complete all as specified and as directed by Engineer-in-Charge |
| 15 | Material and labour for calibration of IDMT relays set of three through relay test kitincluding other required measuring equipment to the site by secondary injection method and testing for proper functioning/tripping systems of relays complete all as specified and as directed.NOTE : The rate quoted by the contractor is deemed to be included for quarterly checking of relays in VCB / OBC for its proper setting / functioning and tripping of VCB / OCB during over load / earth fault. |
| 16 | Supply and fixing of HT current transformer of capacity 200 / 100 / 5-5 including testing commissioning ofthrough primary injection method with suitable testing kit and also checking the control panel wiring including setting the CT range with relays setting for proper functioning / tripping and taking out old unserviceable CT complete all as specified and as directed. |
| 17 | Supply and fixing in replacement of moving contact assembly suitable for HT OCB / VCB 11 KV 400 Amps to 800Amp OCB including dismantling the old unserviceable moving contact assembly suitable for HT OCB complete all as specified and as directed. |
| 18 | Supply and fixingin replacement of big and small end bearing of HT 11 KV VCB trolley includingreplacementof complete locking mechanism with integral spring charging handle for manual spring charge and replacement of closing coiland tripping coil 24V DC including replacement of electro magnetic relay, coil rating 220 V, AC all as specified and as directed. |
| 19 | Supply and fix vaccumInterpture bottle for the existing HT VCB including taking out old unserviceable vaccume Interputure bottol complete all as specified and as directed. |
| 20 | Supply and fix spring charging motor for 11 KVVCB suitable for the existing make including taking out old unserviceable one complete all as specified and as directed. |
| 21 | Supply and fixing in replacement of current transformer moulded in epoxy compound with dual ration 50 / 25 / 5 Amps complete connection with copper wire including beading as per existing VCB 11 KV at site complete all as specified and as directed. |
| 22 | Dismantling and removing of defective transformer removing to workshop for repair, opening up and taking out coil, core and core assembly for estimation of repair and damaged parts cleaning / washing of tanks and removing the dust from all parts including cores, tanks, cooling tubes, removal of damaged parts making connection and assembling complete in all respects after repair / replacement of coils, gasket, sheet, nuts and bolts, refilling of transformer oil, installation and testing on full load fortesting for 11 KV capacity from 630 KVA to1250KVA complete all as specified and as directed by the Engineer-in-Charge.NOTE : Spare parts and winding coils as mentioned under respective items of schedule shallbe measured and paid for separately as supply only. These shall be identical to those specified by original manufacturer. |
| 23 | Dismantling carefully, material and labour for rewinding the LT / HT side (primary winding / secondary windings) of the transformer withcopper winding (wire / strip ) of suitable gauge or to match the existing including refixing, connecting, testing and commissioning the transformer complete all as specified and as directed. |
| 24 | Supply and fix in repairs HT bushing rod complete with insulator and packing suitable for outdoor / indoortype 630 KVA to 1250 KVA transformers confirming to IS-334 complete with nut, bolts, brass studs and gasket of synthetic rubber bonded cork sheet complete all as specified and as directed by Engineer-in-Charge. |
| 25 | Supply and fix in repairs LT bushing complete with insulator and packing suitable for 1100 volt grade complete with nut, bolts, brass studs, insulator and gasket etc suitable for 630 to 1250 KVA out door / indoor transformer complete all as specified and as directed. NOTE FOR ITEM NOs 24 & 25 :-(i)Rates quoted by the contractor shall be deemed to include for opening of top plate of transformer / decanning of oil from transformer up to the level as per requirement and assemble the same after replacement of bushing rod.(ii)Bushing rod shall be replaced at site.transformer will not be allowed to send to workshop at any cost and all bushing replacement work shall be executed at site only. |
| 26 | Supply and fix air breather complete with silica gel suitable for outdoor type step down power transformer up to 500 KVA to 1250 KVA complete all as specified and as directed. |
| 27 | Material and labour for spray painting of distribution transformer with two coats of synthetic enamel paint of smoke grey colour after neatly cleaning and preparing the surfacefor spray paintingthe transformer of the following capacity including writing SM / MES No (5 cm height) with white enamel paintof capacity 1200 KVA to 2000 KVA complete all as specified and as directed. |
| 28 | All as per Sl Item No. 27 above but of capacity750 KVA to 1000 KVA |
| 29 | All as per Sl Item No. 27 above but of capacity 500 KVA to 630 KVA |
| 30 | All as per Sl Item No. 27 above but of capacity4000 KVA. |
| 31 | Material and labour for cutting of black top cover of existing road up to 1 mtr depth and 1mtr wide for laying of UG cable and pipe line, refilling and making good after laying UG cable and pipe line with PCC 1:3:6 up to 30 cm from top of the road surface complete all as specified and as directed by Engineer-in-Charge. |
| 32 | Material and labour for opening of electrical connection from existing ACB upto 2500 Amps, draw out / fixed type from the existing panel for servicing purpose of all mechanical part / cleaning / lubricating of all parts including fixing the same in the panel and testing for entire satisfaction of Engineer-in- Charge. |
| 33 | Supply and fixing of tripping coil of air circuit breaker upto 2500 Amps as per existing make and model 220 / 440 volts complete all as specified and as directed. |
| 34 | Supply and fixing of moving contact circuit breaker upto 2500 Amp as per existing make and model complete all as specified and as directed. |
| 35 | Supply and fixing of fixed contactcircuit breaker upto 2500 Amp as per existing make and model complete all as specified and as directed. |
| 36 | Material and labour for finding out the cable fault of any size of cable upto 11 KV underground cable HT and LT and of any capacity of cable with the help of cable fault locator mounting on vehicle and with necessary disconnection of cable from two ends andmaking connection by joining after repairs and having the following items with electrician at site to findfault ofupto length of 2 KM cable complete all as specified and as directed by Engineer-in- Charge with help of the following accessories :- (a) Surge Generator with accessories(b) Head Phone(c) Pin Point Set T-505 with accessories(d) Earthing cable with clamp (e) Cable fault Locator T-905 with accessories (f) TC-808 with accessories (g) Soldering Iron / wire / capacitor unit / capacitor connecting cables / power cable / nose plier. NOTE : Excavation for the cable fault shall be done by the contractor by his own arrangement. |
| 37 | Material and labour for opening of all connection of electric power cableof any size from the electrical panel, cleaning and replacingof aluminium lugs of existing cable of size upto 400 sq.mm upto 20 Nos in each panel and checking of all electrical wiring of panel and servicing ofbus bar strip changing etc andtightening of nuts and boltsand making all connection as per originalincluding testing for entire satisfaction of Engineer-in- Charge. |
| 38 | Supply and fixing HT digital display voltmeter suitable for HT OCBs, HT VCBs at various substation suitable for HT panel 1100 / 100 volts (auxiliary volts) including necessary connections and taking out old unserviceable complete all as specified and as directed. |
| 39 | Supply and fixing HT digital type ammeter suitable for CT ratio 50 / 100 / 200 Amps including necessary connections and taking out unserviceable ammeter complete all as specified and as directed. |
| 40 | Supply and fix in replacement MD XL type 10 KVAR to 20 KVARcapacitor 440 volt, 3 Phase, voltage test between terminals 1.75 rated volt including taking out unserviceable complete all as specified and as directed. |
| 41 | All as per Sl Item No. 40 above but 25 KVAR |
| 42 | Supply and fix steel MCCB enclosure on wall suitable for fixing of MCCB of 3 pole / 4 pole capacity upto 250 Amp complete all as specified and as directed. |
| 43 | Supply and fix steel MCCB enclosure suitable for fixing of MCCB of 3 pole / 4 pole capacity upto 315 Amp to 630 Amp complete all as specified and as directed. |
| 44 | Material and labour for repairof LT panel board by replacement of broken / unserviceable front door of LT panel made out of 3.15mm thick MS sheet to shape forproper closing the front door in two parts including making locking arrangement of LT panel and welding of new hinges, spray painting of panel board complete all as specified and as directed. |
| 45 | Trimming of tree / branches including cutting of grass at substation and surrounding upto 5 Mtr radius and removing the grass and branches and transporting the same outside the labs complete all as specified and as directed. |
| 46 | Supply and fixing distilled water best quality suitable for lead acid battery complete all as specified and as directed. |
| 47 | Maintenance and servicing of battery panel 220 / 110 / 30 / 24V DC with batteries and its control panels wiring, PCB, Relaysand terminal cables with replacement of defective parts complete all as specified and as directed. |
| 48 | Supply and install, testing and commissioning maintenance free (SMF) lead acid battery, 2 Volts, comprising of maintenance free batteries of reputed make with all accessories including taking down old unserviceable battery from battery bank complete all as specified and as directed. |
| 49 | Material and labour for replacement ofunserviceable battery 12 V, 180 AH with maintenance free battery 12 Voltinitially charged complete all as specified and as directed. |
| 50 | Material and labour for servicing of 415 Volt electrical panel indoor / outdoor type forcleaning of dust particle inside the panel like MCCB, relay / contactor with help of blower etc and tightening of all electrical connection and complete testing and replacement of burnt lugs etc complete all as specified and as directed. |
| 51 | Supply and fix cable route indicator comprises and made out of PCC pole (0.3 x 0.3 x 1.5 Mtr) on HT cable 1 mtr in depth grouted in the ground with suitable PCC 1:3:6 concrete base with writing HT CABLE / JOINT complete all as specified and as directed. |
| 52 | Supply and fix flanged gate valve size 100 mm dia for the existing transformer including taking out old unserviceable valves complete all as specified and as directed. |
| 53 | Supply and fix flanged gate valve size 50 mm dia for the existing transformer including taking out old unserviceable valves complete all as specified and as directed. |
| 54 | Supply and fix flanged gate valve size 25mm dia for the existing transformer including taking out old unserviceable valves complete all as specified and as directed. |
| 55 | Supply and refilling ofSF6 (Sulfur hexafluoride gas) for 11 KV RMU SF6 outdoor circuit breaker to cool and Quench the arc on opening of circuit transmission classfor normal operationto maintain the desired pressure in SF6 and RMU as per OEM designand testing the pressure of each SF6 breaker 11 KV RMU complete all as specified and as directed. |
| 56 | Material and labour for maintenance, servicing and repair of 4 way RMU panel SF6 Breaker / Load Break switch HT 11KV 400 Amps / 800 Amps 50 cycles, internal moving and fixed parts, contacts / wiring, cleaning, dusting, decarbonising, tightening loosened parts, checking of closing / tripping system, lubricating greasing all moving parts, including replacing worn out part copper studs, bolts, nuts and washers replacing control wiring, replacing oil, busbar contacts fixed or moving contacts, HT bush, gasket including unserviceable coil, replacing of defective minor items such as indicators lamp, push button, selector switch etc as and when required complete all as specified and as directed.NOTE : The item spare parts shall be replaced measured and paid separately, However minor items such as indicator, push button, selector switch, gasket, wiring cable shall be deemed to be included in the unit rate. |
| 57 | All as per Sl Item No. 56 above but 6 way RMU |
| 58 | All as per Sl Item No. 56 above but 9 way RMU |
| 59 | Supply and installing 100mm width x 50mm depth x 1.6mm thickness size of perforated hot dipped Galvanised Iron cable tray (Galvanisation thickness not leass than 50 microns) with perforation not more than 17.5% inconvenient sections, jointed with connectors, suspended from the ceiling with GI suspenders including GI Bolts and nuts as required all as specified by Engineer-in -Charge NOTE : (i)All necessary fixing / connecting arrangements of nut, bolt, MS rod, to be provided by the contractor without any extra payment from department.(ii)Quoted rate is to be deemed the charges of necessary boom lift. |
| 60 | Excavation in trenches not exc 1.5m wide and not exc 1.5m in depth for laying cables / poles foundation / stay assembly and getting out in hard / dense soil complete all as specified and as directed. |
| 61 | Removing excavated material to a distance not exceeding 50m and deposting where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed. |
| 62 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25cm thick complete all as specified and as directed by Engineer-in- Charge. |
| 63 | Material and labour for sand cushioning to underground cable providing with a layer 8cm thick before laying the cable and 15 cm thick after laying the cablecomplete all as specified and as directed.NOTE : Punned thickness only will be measured for the purpose of payment. |
| 64 | Material and labour for unreinforced precast concrete covers class HV type 300mm x 180mm x 40mm size factory made for cable protection complete all as specified and as directed. |
| 65 | Material and labour for unreinforced precast concrete covers class LV type 250mm x 150mm x 40mm size factory made for cable protection complete all as specified and as directed. |
| 66 | Supply and laying in replacement XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 400 sq.mm 3.5 coreincluding taking up existing old unserviceable LT UG cable complete all as specified and as directed. |
| 67 | All as per Sl Item No. 66 above but of size 300 sq.mm 3.5 core |
| 68 | All as per Sl Item No. 66 above but of size 240 sq.mm 3.5 core |
| 69 | All as per Sl Item No. 66 above but of size 185 sq.mm 3.5 core |
| 70 | All as per Sl Item No. 66 above but of size 120 sq.mm 3.5 core |
| 71 | All as per Sl Item No. 66 above but of size 95 sq.mm 3.5 core |
| 72 | All as per Sl Item No. 66 above but of size 70 sq.mm 3.5 core |
| 73 | All as per Sl Item No. 66 above but of size 50 sq.mm 3.5 core |
| 74 | Supply, laying and testing in replacement of cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminum conductor,11000 volts grade, of size 3 core 95 sq.mm including taking out of old HT cable from trenches complete all as specified and as directed by Engineer-in- Charge. |
| 75 | All as per Sl Item No. 74 above 120 sq.mm 3 core |
| 76 | All as per Sl Item No. 66 above 185 sq.mm 3 core |
| 77 | Supply and fixcable jointingkit11 KV cable for indoor termination heat shrink type joint complete joint material and accessories suitable for3 core XLPE armouredaluminium conductor cable of size50sq.mm to 95 sq.mm complete aluminiuml as specified and as directed. |
| 78 | Supply and fix cable jointingkit11 KV cable for outdoor termination heat shrink type joint complete joint material and accessories suitable for3 core XLPE armouredaluminium conductor cable of size 50 sq.mm to 95 sq.mm complete aluminiuml as specified and as directed. |
| 79 | Supply and fixcable jointingkit11 KV cable for indoor termination heat shrink type joint complete joint material and accessories suitable for 3 core XLPE armouredaluminium conductor cable of size120 sq.mm to 185 sq.mm complete aluminiuml as specified and as directed. |
| 80 | Supply and fixed cable jointingkit11 KV cable for outdoor termination heat shrink type joint complete joint material and accessories suitable for3 core XLPE armouredaluminium conductor cable of size 120 sq.mm to 185 sq.mm complete aluminiuml as specified and as directed. |
| 81 | Supply and fix cable jointing kit for 11 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, aluminium conductor cable of size 120 sq.mm to 185 sq.mm, Indoor / Outdoor type complete aluminiuml as specified and as directed. |
| 82 | Supply and fixing in repairs LT Air circuit breaker Manual Draw-out type circuit breaker thermal magnetic DN1four pole 1250 Amps capacity of 50 KA breaking capacity in existing panel board including modification if required to accommodate the ACB with necessary connection with existing bus bar with suitable lugs, nuts, bolts, washers etc including testing commissioning complete and taking out existing unserviceable ACB of any capacity complete all as specified and as directed. |
| 83 | Supply and fixing in repairs LT Air circuit breaker fixed type circuit breaker thermal magnetic DN1four pole 1250 Amps capacity of 50 KA breaking capacity in existing panel board including modification if required to accommodate the ACB with necessary connection with existing bus bar with suitable lugs, nuts, bolts, washers etc including testing commissioning complete and taking out existing unserviceable ACB of any capacity complete all as specified and as directed. |
| 84 | Supply and fix in repairs Moulded Case Circuit Breakers for Distribution Network with thermal magnetic release type DPX 250 3 pole 100 Amps capacity 16 KA rupturing capacity in existing panel board including modification on existing panel if required, necessary connectioning with copper strips / suitable size of copper conductor wire from bus bar, provision of suitable size of copper lugs as per the outgoing cable including taking down unserviceable MCCB complete all as specified and as directed.Make : L&T / ABB / Schneider / Legrand |
| 85 | All as per Sl Item No. 84 above but 3 pole 160 Amp 36 KA |
| 86 | All as per Sl Item No. 84 above but 4 pole 200 Amp 36 KA |
| 87 | All as per Sl Item No. 84 above but 4 pole 250 Amp 36 KA |
| 88 | All as per Sl Item No. 84 above but 3 pole / 4pole 400 Amp 36 KA |
| 89 | All as per Sl Item No. 84 above but 3 pole/ 4 pole 630 Amp 50 KA |
| 90 | Supply and laying Synthetic Insulating Mat of size 2.00 Mtrx 1.00 Mtrx 2.5mm thick suitable for upto 33 KV grade complete all as specified and as directed. |
| 91 | Supplying, spreading and leveling graded course stone aggregate of 40mm to 80mm size to the existing sub station complete all as specified and as directed.NOTE : Aggregate nominal size without any vegetation or chemical including levelling / spreading surrounding transformer, HT / LT 2 / 4 pole structure and LT / HT panel complete all as directed . |
| 92 | Material and labour for copper earth continuity main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit of size 20mm x 3mm complete all as specified and as directed. |
| 93 | Material and labour for earthing complete with copper earth plate of size 600mm x 600mm x 3.15mm buried directly in ground (earth pit not less than 3 mtr deep below ground level) with top edge of the plate not less than 2.1m below normal ground level, connected to and including copper earth strip of 20mm x 3mm by means of riveting and brazing and protected by GI pipe light grade of suitable size up to the test point , ie upto 7.5m, including providing alternate layers upto full volume of pit by charcoal dust and common salt, magnesium sulphate and vegetable soil all around the plate 15cm depth and width minimum including PCC pit chamber, watering pipe of 50mm dia medium grade HI pipe upto the top of the plate having funnel complete and RCC cover, connecting to the test point and testing on ground complete and including excavationand earth work in any type of strata and cleaning of site all as specified and as directed in MES SSR Part-I and directedNOTE : (i)Rate quoted shall deemed to include cost of excavation in any type of strata, RFR and removal upto 50metre, PCC pit, funnel and RCC cover plate.(ii) Copper strip above 7.5m will be measured and paid separately.(iii) Earth resistance not exceeding 1.0 ohm. |
| 94 | Earthing complete with galvanized iron plate electrode 600 x 600 x 6.00mm thick GI earthing lead burried directly in ground vertically to a depth not less than 2.25 mtr deep below GL with the top edge of the plate at a depth not less than 1.5 mtr from below normal GL, connected to and including Galvanised iron strip 32mm x 6mm as earthing lead by means of nuts, bolts, washers, checknuts of galvanised iron and connected to earthing test point all as shown in electric plate No. 3 of SSR Part l of 2010 and as specified or indicated and testing on completion including excavation / earth work in any type of strat PCC (1:3:6) type C1 earthing chamber, pre cast slab 50 mm thick in cement concrete (1:2:4) type B1 (Reinforced with welded steel wire fabric (XPM)) weight not less than 4 Kg/sqm,cast iron frame, funnel with wire mesh, including GI earth strip with GI protection pipe of 40mm medium grade 7.5 meter long etc complete and testing on completion all as specified and directed.NOTE :- (i)Rate quoted shall deemed to include cost of excavation in any type of strata, RFR and removal upto 50metre, PCC pit, funnel and RCC cover plate (ii) GI strip above 7.5m will be measured and paid separately.(iii) Earth resistance not exceeding 1.0 ohm. |
| 95 | 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 32mm x 6mmgalvanized iron or steel wire complete all as specified and as directed. |
