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| 1 | Supply and layingin trenches, or fixing on walls or passing through cable duct / pipe XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured electric power cables (heavy-duty) with aluminium conductor, 11000 volts grade (earthed cable) having cross sectional area 3 core 185 sqmmincluding taking down old cable complete all as specified and as directed. |
| 2 | All as per Item No. 01 here-in-before but for cable of size 3 core120 sqmm. |
| 3 | All as per Item No. 01 here-in-before but for cable of size 3 core95 sqmm. |
| 4 | All as per Item No. 01 here-in-before but for cable of size 3 core 300 sqmm. |
| 5 | Supply and fixing/laying100 mm bore GI tube light grade with all fittings,fixing along the electric cable in trenches or to pole / wall for protection of cable etcincluding taking down or up old pipe complete all as specified and as directed. |
| 6 | Supply and fixing/laying80 mm bore GI tube light grade with all fittings,fixing along the electric cable in trenches or to pole / wall for protection of cable etcincluding taking down or up old pipe complete all as specified and as directed. |
| 7 | Excavation in trenches in soft/loose soil not exc. 1.5 metre wide and not exc. 1.5 metre in depth and getting out for taking up / layingunder ground electric cable or for pole etc complete all as specified and as directed.Note :- Mechanical excavation is not allowed in this Station only manual excavation allowed. |
| 8 | Returning and filling in two parts ie. using riddled soil obtain from excavated soil upto depth of 30 cm (8 cm below cable and remaining above cable) for cushioning of cable andrefilling the remaining depth with normal excavated soil all as specified and directed.Note:- Excavated soil shall be riddled by using sieve to separate composite particles etc as per IS 1255 1983 and refilling in trenches as in cable cushioning.For measurement only bricks volume shall be deducted in this account |
| 9 | Removing surplus soils to a distance not exceeding 50 mtr and depositing where directed at a level not exc. 1.5 mtr above the starting point complete all as specified and as directed. |
| 10 | Supply and laying Bricks, sub class \"B\" old size bricks, laid flat dry with width of the bricks laid across the axis of the cable complete all as specified and as directed. |
| 11 | M&L for providing PCC (1:2:4) type B-1 using 20 mm graded stone aggregate as in coping and finishing the surface even and smooth without using extra cementcomplete all as specified and as directed. |
| 12 | M&L for finding the HT 11 KV under ground high tension cable fault location (in any location) and marking the exact location of faultusing HT fault locating equipment with route tracer complete all as specified and directedNote :-(i) The rate quoted by the contractor shall include the rate for cleaning the route for cable fault tracing, earth work and excavation with necessary T&P etc including cost of digging out the cable at the place of fault for confirmation of fault. (ii) The faults found within 50 meters of the cable length shall be measured as onefault and the rate shall be deemed to be quoted accordingly. |
| 13 | M&L for finding the LT under ground high tension cable fault location (in any location) and marking the exact location of faultusing LT fault locating equipment with route tracer complete all as specified and directedNote :-(i) The rate quoted by the contractor shall include the rate for cleaning the route for cable fault tracing, earth work and excavation with necessary T&P etc including cost of digging out the cable at the place of fault for confirmation of fault. (ii) The faults found within 50 meters of the cable length shall be measured as onefault and the rate shall be deemed to be quoted accordingly. |
| 14 | M&L for cable jointing kit for 11 KV (earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured conductor cable of size 50 to 95 Sqmm. |
| 15 | M&L for cable jointing kit for 11 KV (earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured conductor cable of size 120 Sqmm to 300 Sqmm. |
| 16 | M&L forcable jointing kit for 11 KV (earthed) grade cable for Straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured conductor cable of size 50 Sqmm to 95 Sqmm. |
| 17 | M&L forcable jointing kit for 11 KV (earthed) grade cable for Straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured conductor cable of size 120 Sqmm to 185 Sqmm. |
| 18 | M&L for cable jointing kit for 11 KV (earthed) grade cable for Straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured conductor cable of size 240 Sqmm to 400 Sqmm. |
| 19 | Material and labour for painting ofHT 11 KV2 Pole structure completewith 2 coats of aluminium paint over the existing surface after preparation of surface by scraping, scratching using wire brush and writing feeder In & Out complete all as directed. |
| 20 | Material and labour for painting ofHT 11 KV 4 Pole structure completewith 2 coats of aluminium paint over the existing surface after preparation of surface by scraping, scratching using wire brush and writing feeder In & Out complete all as directed. |
| 21 | Material and labour for painting ofHT 11 KV 6 Polestructurecomplete with 2 coats of aluminium paint over the existing surface after preparation of surface by scraping, scratching using wire brush and writing feeder In & Out complete all as directed. |
| 22 | S&F ACSR conductor on poles, insulators, LA including, binding wires, jointing sleeves, aluminium tap and PG clamp, aluminium thimbles etc complete work as directedand including taking out old unserviceable ACSR conductorcomplete all as specified and as directed. |
| 23 | Material and labour for Air break switch / Gang Operated Device horizontal / vertical type, triple pole, mechanically operated, mounted on nine FRP insulators and steel frame, with operating mechanism worked from ground level, with operating rod 25mm dia light grade GI pipe, suitable for current rating upto 200 Amps, HT 11 KV including taking out old unserviceable one and connecting up with all cables complete with locking arrangement all as directed . |
| 24 | Material and labour in replacement of lightning arrestors expulsion type complete with all fittings, transmission class discharge capacity 65 kilo amps suitable for 11000 volts complete with connecting aluminium conductor, thimble etc as required including taking out old unserviceable one all as specified and as directed by Engr in Charge. |
| 25 | Material and labour in replacement of pin type, FRP insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 150mm height, 150mm dia suitable for 11000 volts grade complete all as specified and as directed by Engr In Charge. |
| 26 | S&F in repairs Horn gap type Fuse unit 11000 Volts grade mounted on FRP post insulators and steel frame, single pole, fixed on DP structure all specified and as directed. |
| 27 | M&L for Cable route indicator Plate showing \"HT Cable\" and fixed on angle iron 35x35x3mm, 800mm long painted with two coats of synthetic enamel paint cover a coat of red oxide primer and grouted in PCC block 1:2:4 type B1including excavation and earth work all as directed.Note:- The quoted rate shall be inclusive of PCC and earthwork. |
| 28 | Taking down old and UNSV transformer / Voltage Stabilizerof any capacity at different locations in the area of responsibility falls under GE (AF) Thanjavur from two/four pole structure/ foundation including disconnecting the LT/HT connection, earthing connections and shifting to workshop for repair including withtaking out the core assembly and removing burnt out windings, dehydrating the core assembly,reassembling transformer after repair, replacement of complete gasket set, refilling the oil duly filtered / dehydrated, topping up with new oil, carrying out routine tests and getting back after repair and refixing the same at original location and connecting electrically and commissioning with testingcomplete all as specified and directed.Note :- New transformer oil, Dehydration of Transformer oil HT/LT winding shall be measured and paid separately. |
| 29 | M&L Replacement of burnt defective HT/LT copper coil of different type / capacity winding with superior quality enamelled copper winding wire/strips of approved of suitable size/gauge and Nos of turns matching with the existing impendence and insulated including all allied materials such as cork sheets, fiver glass insulation/paper insulation cotton, empire tape, varnish and wooden, bolts, nuts and washer (Brass) soldering and other packing material etc required for entire winding of coils all as specified and directed by Engineer- in-Charge. |
| 30 | Disconnecting HT/LT cable/busbar and Earthing connections of transformer/ voltage Stabilizers of any capacityfrom pole structure /floor/ foundation and carry outmaintenance / servicing in situ complete with following:-(i) Checking leakage from top cover, Gas kits, HT/LT bush assembly and any place. (HT/LT bush assembly shall be measured& paid separately under respective item).(ii) Opening top cover and checking all internal connection, Tap changer, bushing connections, core assembly complete with winding.(iii) Checking compactness of core & tightening the same where required. (iv)Replacement of worn out gaskets & nut/bolts complete.(v)Top-up of oil duly filtered/dehydrated (to be measured& paid separately under respective item). |
| 31 | De-hydration/ filtrationof transformer oilof transformers / stabilizers(in different location) by employing on line filtrationplant to achieve di-electric strength not less than minimum 60 KV at 4mm gap including following work services:-(a) Removal of all suspended particles such as dust, rust, scales, collidedCarbonoxidation sludge, etc upto < 1 micron. (b) De-hydration of transformer oil under vacuum. (c) Circulation of heated oil and filling of treated oil in transformer tank. (d) Top up the transformer oil upto the level NOTE:-(i) Contractor shall use the vehicle mounted filtration plant with new suitable size heavy duty hose pipe. (ii) The transformer oil required for replacing/top up shall be measured and paid separately as \"Supply only\" (iii) Conducting field testing of di-electric strength of the transformer oil before and after filtration (iv) Checking the megger/earth resistance values with battery operated megger of 5 KV |
| 32 | Supply only Transformeroil havinglow viscosity of approved make as per IS 355 of 1992 and di-electric strength not less than 60 KVall as specified and directed by Engineer-in-Charge |
| 33 | S&F in repair HT bush assembly complete vitreous with brass spindle, threaded with washers nuts-bolts, lock nut and rubber seal including porcelain bushing insulator complete, suitable for transformer of any make /type/capacity all as specified and directed by Engineer-in-Charge |
| 34 | S&F in repairLT bush assembly complete vitreous with brass spindle, threaded with washers nuts-bolts, lock nut and rubber seal including porcelain bushing insulator complete , suitable for transformer of any make /type/capacity in repairs all as specified and directed by Engineer-in-Charge |
| 35 | S&F in repairDehydrating breather assembly of standard size filled with fresh silica-gel for transformer of any capacity and as per existing complete all as specified and directed |
| 36 | S&F in repairTap changer switch suitable for Transformer upto 500 KVA complete all as specified & as directed. |
| 37 | S&F in repairsurge protector as per existing rating for dry type transformer upto 750KVA complete all as directed. |
| 38 | S&F in repairtemperature gauge circulartype of standard size for transformer of any capacitycomplete all as specified and directed |
| 39 | S&F in repairelectronic sensing control unit complete (PCB) for automatic operation including cut off circuit of PCB & relay of servo voltage stabilizer of capacity50 KVA to 750 KVA complete all as specified and as directed. |
| 40 | M&L for cleaning of complete body of transformer / Voltage Stabilizer of capacity 50 to 160 KVA and painting with two coats ofdark BS Grey paintingcomplete all as specified and directed |
| 41 | All as per item No.40 above buttransformer / Voltage Stabilizer of capacity 200 to 250 KVA |
| 42 | All as per item No.40 above buttransformer / Voltage Stabilizer of capacity 315 to 500 KVA |
| 43 | All as per item No.40 above buttransformer / Voltage Stabilizer of capacity600 to 750 KVA |
| 44 | Shifting of standby trolley mounted transformer of capacity up to 750 KVA including its HT / LT cable from one location to another location and back to original site or to MES store yard inside the Air Force Station Thanjavur by using towing vehicle and crane if necessary by dismantling the HT/LT connection of the existing faulty transformer, connecting the HT / LT cable of the trolley mounted transformer with the existing load, connecting the transformer with body and neutral earth with existing earth lead and testing with load. NOTE:-(i) The works includes the removal and refixing ofall connection, cable, etc of both transformers. (ii) Contractor shall shift and connectthe trolley mounted transformer immediately within four hrs when AGE E&M / JE E&M inform through mobile message (iii) If contractor fails to shift the trolley mounted transformer within four hrs, a penalty of Rs.3000.00 per hour after four hour shall be imposed. (iv) Rent of towing vehicle, labour used, tools used shall deemed to be included in the quoted rate. (v) Contractor shall take care of transformer while shifting, any damage foundwhile shiftingwill be rectify by the contractor at his own risk. |
| 45 | Servicing & maintenance of HT 11 KV VCBs / RMUs with all service checks as recommended by the manufacturer including opening and taking out unserviceable VCBs /RMUs panel units any capacity and way at different locations in the area of responsibility falls under GE (AF) Thanjavur and carried out repair work to make functional including carrying out following maintenance, repair & servicing work :-(i) Open VCB (taking out trolley) / RMU front & back and remove all dirt, dust & carbon particles by air blower and Cleaning of all moving & fixed contacts with dry cloth & CRC solution and greasing of moving contacts & gears.(ii) Checking and setting of ON/OFF operation mechanism.(iii) Checking leakage in vacuum interrupter by Hi-Pot test(iv) Checking, tightness & replacement of all unserviceable / burnt control wiring to make functional.(v) Checking of insulation values of all contacts.(vi) Sealing cable In & out hole/ duct of VCB/ RMU by any sealing product. |
| 46 | Note for item No-45:- (i) The service of VCBs are to be carried out through authorised service engineer/dealers.(ii) Contractor is liable for conducting inspection/maintenance/repair on call basis if required other than normal servicing during whole contract period and charges deemed to be included in quoted rate.On call contractor is required to attend the complaint within 24 hrs.If not attended the complaint within 24 hrs contractor is liable to pay a penalty Rs 1500/- per day.(iii) Replacement of major spare parts as given in item here-in-after will be measured and paid separately.(iv) Upto 3 way RMU considered as one job. |
| 47 | Testing of tripping mechanism and calibration of over current and earth fault IDMT/Numericalrelays of HT 11KV rating VCB/ RMUs complete all as specified. |
| 48 | S&F in repairs of numerical relay suitable for existing VCBs/RMUs tripping system (3OC + 1 EF + 1 REF IDMTL and INST protection) digital type along with high set facility suitable for 11 KV HT VCB/RMU including provisioning blanking sheet to match the existing surface of the VCB and all control wiring connection with setting of relay complete all as directed. |
| 49 | S&F in repairs epoxy resin cast current transformer 11 KV indoor type of protection and metering of accuracy class 1,dual core of ratio 100/50/5 amps, 15 VA burden complete all as specified and as directed. |
| 50 | S&F in repairs dry type potential transformer 11 KV/ 110V (or as per existing) 50 HZ, class 0.2, burden - 50VA fixed type, fuses, 3 phase resin cast indoor type complete all as specified and as directed. |
| 51 | S&F in repairs Tulip support 1250 ampssuitable for existing 11KV VCB/Load break switch complete all as specified and as directed by Engr In Charge. |
| 52 | S&F in repairs Tulip contacts (15 Fingers) 1250 ampssuitable for existing 11KV VCB/Load break switch complete all as specified and as directed by Engr In Charge. |
| 53 | S&F in repairs DC Power Pack unit having input AC supply 220 Volt and 24V /110 V DC as output supply including battery backup for HT VCB / RMU panel as per existing complete including making necessary wire connections complete to make functional all as directed |
| 54 | S&F in repairs close/trip coil 24 volt/30 volt/110 volt DCsuitable for existing VCB/Load break switch complete all as specified and as directed by Engr In Charge. |
| 55 | S&F in repairs support insulator suitable for existing VCB/Load break switch complete all as specified and as directed by Engr In Charge. |
| 56 | S&F in repairs spring charging motor assembly 24 Volt DC or as per existing suitable for VCB/RMUs/Load break switch complete all as specified and as directed by Engr In Charge. |
| 57 | S&F in repairs Spring Charging motor cut off switch as per existing & suitable forVCB/Load break switch complete all as specified and as directed by Engr In Charge. |
| 58 | S&F in repairs Micro switch with ball or without ball for TNC suitable for VCB/Load break switch as per existingcomplete all as specified and as directed by Engr In Charge. |
| 59 | S&F in repairs TNC switches suitable for VCBs complete all as specified and as directed. |
| 60 | S&F in repairs Auxiliary relays/contacts suitable for VCB complete all as specified and as directed. |
| 61 | S&F in repairs anti pumping relay as per existing and suitable for VCB/Load break switch complete all as specified and as directed by Engr In Charge. |
| 62 | S&F in repairs Electronic hooters suitable for VCBs complete all as specified and as directed. |
| 63 | S&F in repairs Bushes suitable for existing RMU complete all as specified and as directed. |
| 64 | S&F in repairs space heater 100 watt 240 AC 50 HZ AC Supply suitable for VCB panel with replacement of wiring (with new one) complete all as specified and as directed. |
| 65 | S&F in repairs Thermostat 30 to 70 degree centigrade suitable for controlling space heater inside VCB panel240 AC 50 HZ AC Supply complete all as specified and as directed. |
| 66 | S&F in repairs gear set (Big & Small) for 11KV HT VCB panel including nut & bolts complete with testing. |
| 67 | S&F in repairs Plug & socket assembly as per existing suitable for 11KV, HT VCB panel. |
| 68 | S&F in repairs Indication lamp suitable for 11KV VCBs complete all as specified and as directed. |
| 69 | S&F in repairs Multifunction meter suitable for 11KV VCBs complete all as specified and as directed. |
| 70 | S&F in repairs Volt meter suitable for VCBs complete all as specified and as directed. |
| 71 | S&F in repairs Ammeter suitable for VCBs complete all as specified and as directed. |
| 72 | S&F in repairs Selector switch suitable for VCBs complete all as specified and as directed. |
| 73 | M&L for heat shrink wraparound sleeves for HT 11 KV XLPE armoured cable of size 95 Sqmm to 300 Sqmm toproviding insulation and protection of cable jacketcomplete all as specified |
| 74 | M&L for cleaningsurroundingarea of 4/6 Pole structure / HT sub Station of area not exceeding 50 Sqm complete with use of suitable tools etcincluding disposal the debris outside MD land / burning in low lying area complete all as specified and as directed. |
| 75 | M&L for servicing and maintenance of Static Var Generator of50 KVAR to 100 KVAR with replacement of defective parts any type to make functional the SVG complete all as directed. |
| 76 | S&F in repairs FRP Earth Discharge Rod suitable for HT 11 KV, 5 mtr length complete with connecting cable and fixing at HT 4 pole structure for protection during operation complete all as specified. |
| 77 | Disconnecting cable/busbar and earthing connections ofHT 11 KV Automatic voltageRegulatorof1500 KVA rating complete unit and carry outmaintenance / servicing of auto voltage regulating system complete and work shall be carried out at existing site with followings :-(i) Checking leakage from top cover including with replacement of gas kitsassembly complete. (ii) Opening of control panel unit and checking all internal connection, fuses and replacement of burnt/ unserviceable control wiring. (iii) Checking & testing of auto functional of voltage regulator & servo control unit. Note :-The servicing work shall be carried out with authorized OEM only andvisit charges for servicingshall be included in quoted in rate. |
| 78 | M&L for disconnecting and opening both end of the faulty/ burnt / IR value testingof HT electric cable ofany sizefrom the VCB / RMU/LBS / Transformer / GOD etc. end including taking out loop both ends as required for testingincluding necessary earth work upto loopand repairthe electric cable as required by cutting out the damaged portionwith joint kit as per suitable sizeand re-connect all cables with testing and seal the cable entry point with suitable packing material complete all as specified and as directed.Note : (i) Additional spare partssuch asCable , cable joint kit , will be measured & Paid separately under relevant item of Sch \"A\" as supply & fixing (ii)During the work contractor will be responsible for replacement of burnt HT fuse as per rating any affected area and operate GOD with direction of JE/MCM during the testing of work etc. and the rate shall be deemed to be included in unit job. |
| 79 | Material and shifting of existing VCB / LBS/ transformer of any ratingto sub station within Air force station areabydisconnection of HT & LT cables, earthing etc. and reinstallation and re-connection as at directed location complete shifting work and connected items complete installation as specified and directed. |
| 80 | M& L for Boring of holes under road, pavement, hard standing by trenchless technology using by necessary Eqpt /machine for crossing of electric cable including pipe not less than 100 mm dia suitable for 0.4 mpa working pressure andvertical depth n, exc. 2 mtr and horizontal dia n. exc. 200mm andincluding getting out excavated surplus soil to a distance not exceeding 50 mtr and depositing whereas directed complete all as specified. |
