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| 1 | Material and Labour for disconnecting carefully electrical connection from both HT/ LT (primary & secondary) sides of the transformer, keeping them at safe side and taking out thetransformer/Voltage stabiliser indoor/ outdoor typeof capacity 630 KVA to 800 KVA,11 KV/433KV, step down any make for carrying out complete overhauling which shall comprise complete all as specified and directed by the Engineer-in-Charge. of the following:- a) Material and Labour for lifting, transporting, handling the transformer to workshop and back to the original location after complete overhauling.b) Conducting the tests on core and windings as per IS like ratio, magnetic imbalance, short circuit etc. in presence of Engr-in-Charge and test results shall be signed both by the contractor and Engineer -in-Charge and kept on record.Note:-(i)Any damage to insulators/ bushes/ windings etc. while in the custody of the contractor shall be made good at no extra cost to Department. The serviceability of the transformer shall be checked and confirmed by the contractor before taking into his custody. (ii) Material and Labour for rewinding/ re-insulation of HT/ LT (primary/ secondary) coils, bushes, studs, Transformer oil, cable box, replacement of bucholtz relay/ MOG if any etc will be measured and paid separately. |
| 2 | All as per Item No. 1 herein before buttransformer/Voltage stabiliser indoor/ outdoor typeof capacityup to 400 KVA to 500 KVA complete all as specified and directed by the Engineer-in-Charge. |
| 3 | All as per Item No. 1 herein before buttransformer/Voltage stabiliser indoor/ outdoor typeof capacityup to 100 KVA to 315 KVA complete all as specified and directed by the Engineer-in-Charge. |
| 4 | Filtration of transformer oil of transformers/Servo voltage Stabilizer installed at various locations to achieve di-electric strength not less than 60 KV at 2.5mm gap as per relevant IS with portable filtration plant, testing of the oil for the di-electric strength before filtration and after filtration complete all as specified and directed by the Engineer-in-Charge. |
| 5 | Supply and topping up of transformer oil with di-electric strength not less than 60 KV in to the conservator tank/ body tank of the transformers/Servo voltage Stabilizer etc at various locations complete all as directed by the Engineer-in-Charge. |
| 6 | Material and Labour for rewinding of distribution transformers of capacity ( 100 KVA to 800 KVA)/ typeby winding the low insulation/defective coils of Primary Coil (HT coil) with new copper wire as per I.S. of same gauge and existing size together with new insulated materials/ bracings before placing in to the transformer and assembling the coil with new insulation and fitting the coils in the chamber, testing and commissioning the transformer and recording the test results complete all as specified and directed by the Engineer-in-Charge. [Note: Material and Labour for re-insulation of serviceable coils will be measured & paid separately under relevant items.] |
| 7 | Material and Labour for rewinding of distribution transformers of capacity (100 KVA to 800 KVA)/ typeby winding the low insulated/ defective coils of Secondary Coil (LT Coil) with new copper wire as per I.S. of same gauge and existing size together with new insulated materials/ bracings before placing in to the transformer and assembling the coil with new insulation and fitting the coils in the chamber, testing and commissioning the transformer and recording the test results complete all as specified and directed by the Engineer-in-Charge.[Note: Material and Labour for re-insulation of serviceable coils will be measured & paid separately under relevant items.] |
| 8 | Material and Labour for re-insulating windings of distribution transformers of capacity ( 100 KVA to 800 KVA) /size/ type by strip opening of HT/ LT coils(i.e. Primary/ secondary coils) from core assembly safely, unwinding the HT/ LT coils (i.e. Primary/ secondary coils) complete, removing the old defective insulation paper and replacing with newDPC insulation to the copper conductor, re-varnishing of the windings with super varnish including heating/ drying/ backing complete carefully and thoroughly inside the heating chamber at suitable temperature to obtain required value of insulation resistance etc. all as per IS 1986-87 and complete all as specified and directed by the Engineer-in-Charge. |
| 9 | Disconnection of the Distribution Transformer from HT and LT supply mains, removing of Bus duct and Bus bar, Leakage arresting to following transformers by draining out of oil, after arrangement of necessary empty oil drums, buckets etc., dismantling of top cover and accessories, dismantling of LT bushings by disconnecting leads/jumpers from inside, replacement of gaskets and oil seals and re fixing of the LT bushings, making internal and external connections, replacement of cover gasket and accessories, refixing of accessories and cover, filling of transformer oil complete, and making cable connections andfor energising the transformer complete all as specified and directed by the Engineer-in-Charge.(Cost includes materials like gaskets and oil seals and labour.The Bushing and bushings rods to be measured and paid separately). |
| 10 | (a) 500 kVA to 800 kVA |
| 11 | (b) 100 kVA to 400 kVA |
| 12 | Disconnecting the HT/LT connections of following transformers i.e (Bus duct / Cable bunch) keeping all the cables out from the HT/LT sides, physically checking the transformer for healthiness, performing the transformer tests like Meggar test, Ratio Test, Magnetic Balance test and short circuit tests for checking the condition of transformer complete and test results shall be submitted by the contractor complete all as specified and directed by the Engineer-in-Charge.Note:-(i) If the transformer found satisfactory then HT/LT connections shall be done by the contractor and has to charge the transformer. (ii) If the transformer fails in these tests then the contractor has to shift the transformer for winding /overhauling. |
| 13 | (a) 500 kVA to 800 kVA |
| 14 | (b) 100 kVA to 400 kVA |
| 15 | Shifting the Transformer from existing site to another site by Dismantling of HT and LT cables, jumpers and bus bars including LT busbar cable boxes and close the transformers for loading in to Vehicle with the help of crane, transportation to another site, unloading, cable connections both HT and LT, testing and commissioning complete all as specified and directed by the Engineer-in-Charge. |
| 16 | (a) 100 kVA to 800 kVA |
| 17 | Material and Labour for replacement of Silica gel breather assembly complete with breather unit and silica gel including connecting with proper necessary gaskets if necessary, including removing the unserviceable breather assembly complete all as specified and directed by the Engineer-in-Charge. |
| 18 | (a) 100 kVA to 800 kVA |
| 19 | Material and Labour for replacement ofConservator tank complete unit and including connecting with proper necessary gaskets if necessary, including removing the unserviceable Conservator tank complete all as specified and directed by the Engineer-in-Charge. |
| 20 | (a) 100 kVA to 800 kVA |
| 21 | Material and Labour for replacement gun metal drain valves of transformers of following capacitiesincluding dismantling old one complete all as specified and directed by the Engineer-in-Charge.:- |
| 22 | (a) 200 kVA to 800 kVA |
| 23 | Supply and fix in repairs off load tap changer assembly suitable for any make with 7 tapping position including opening top cover, conservator etc. complete all as specified and directed by the Engineer-in-Charge. |
| 24 | (a) 400 kVA to 800 kVA |
| 25 | Supply and replacement of (WTI) Winding Temperature Indicator of following distribution transformers including dismantling old one complete all as specified and directed by the Engineer-in-Charge. |
| 26 | 100 kVA to 800 kVA |
| 27 | Supply and replace Porcelain LT Bushings alongwith bushing rod made out Brass/Copper of suitable length/size all as per existing, complete the following capacity distribution transformers of any make/size/type all as directed including dismantling old one complete all as specified and directed by the Engineer-in-Charge. |
| 28 | (a) 500 kVA to 800 kVA |
| 29 | (b) 100 KVA to 400 KVA |
| 30 | Supply only Porcelain HT Bushingsalongwith bushing rods made out Brass/Copper of suitable length/size all as per existing, complete the following capacity distribution transformers of any make/size/type all as directed including dismantling old one complete all as specified and directed by the Engineer-in-Charge. |
| 31 | (a) 500 kVA to 800 kVA |
| 32 | (b) 100 KVA to 400 KVA |
| 33 | Material and Labour for replacement of Oil gauge glass with gaskets of the following capacity distribution transformers of any make/size/type all as directed including dismantling old one complete all as specified and directed by the Engineer-in-Charge. |
| 34 | (a) 400 kVA to 800 kVA |
| 35 | Material and Labour for preparation of old painted surfaces of transformers with coarse cloth/ brush and painting throughout externally on exposed surfaces with two coats of smoke grey colour synthetic enamel paint including writing of transformer details on plinth in white enamel painton black enamel paint back ground complete including one coat of white wash for base foundation complete all as specified and directed by the Engineer-in-Charge for the following capacity in-door/ out-door type transformer:- |
| 36 | (a) 500 kVA to 800 kVA |
| 37 | (b) 100 KVA to 400 KVA |
| 38 | Material and Labour for replacement of (OTI) Oil Temperature indicator of following distribution transformers including dismantling old one complete all as specified and directed by the Engineer-in-Charge. |
| 39 | (a) 400 kVA to 800 kVA |
| 40 | Material and Labour for replacement of Drain plugs to valves/conservator caps of the sizes 3/4\", 1\", 1.5\" valves and plugs of the following capacity distribution transformers of any make/size/type complete all as specified and directed by the Engineer-in-Charge. including dismantling old one. |
| 41 | 100 kVA to 800 kVA |
| 42 | Clearing of bushes/small plants up to root level around and surroundings areas E/M installations (i.e. outdoor-substation yards & Misc E/M installations etc)including surface dressing n.exc 15 cm deep and removing debris to a distance n.exc 50m in complete all as specified and directed by the Engineer-in-Charge. |
| 43 | Supply and laying Graded coarse aggregate of size 20 mm dia size upto height of 0.10 Mtr in outdoor sub-station yards including surface dressing n.exc 05 cm deep and removing debris to a distance n.exc 50 m before laying of sand complete all as specified and directed by the Engineer-in-Charge.Note : Punned thickness will be measured and paid separately for sand. |
| 44 | Excavation in trenches n.exc 1.5mtr wide and not exc 1.5mtr depth and getting out inSoft/loose soil complete all as specified and directed by the Engineer-in-Charge. |
| 45 | Returning and filling in of excavated material ay type including spreading, leveling, watering and well ramming in layers not exceeding 25 cm each complete all as specified and directed by the Engineer-in-Charge. |
| 46 | Removal of surplus excavated material of any type not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed by the Engineer-in-Charge. |
| 47 | Material and Labour for Sand cushioning/sand coveringfor underground cable protection/substation yard complete all as specified and directed by the Engineer-in-Charge.Note: Punned thickness only will be measured and paid. |
| 48 | Supplying and laying reinforced precast concrete cable cover, class HV, Type 1, flat, size 300mmx 180mm x 40mm,laid along alignment of cable as protection to cable in trenches complete all as specified and directed by Engineer-in-Charge |
| 49 | Material and Labour for GI pipe light grade 100 mm dia for cable protection on road crossings /plinth protection with fixed to the pole wall etc. suitable fittings for cable protection complete all as specified and directed by the Engineer-in-Charge. |
| 50 | Testing the cables with high voltage DC testing machine and locating the fault in the cables by fault locating machine to pin point exact position of fault, disconnecting faulty 11 KV HT cables of differentsizesfrom both ends, removal of Fault,Re-connections and testing of cables after removal of fault complete all as specified and directed by the Engineer-in-Charge.Note: (a) 11 KV HT cable & joints shall be measured and paid for separately under respective items of schedule.(b) Retrieved old serviceable cable cover will be laid in trenches for cable protection. If extra PCC cover and sand required at site shall be measured and paid separately under respective items of BOQs.(c) Excavation and earth work will be measured and paid for separately under respective items of schedule. |
| 51 | Material and Labour cable jointing kit for11 KV (Earthed) grade XLPE cable for Indoor end termination heat shrinkable type joint complete with jointing material and accessories suitable forsize 3 core 120 to 185 Sqmm including testing after jointing complete all as specified and directed by the Engineer-in-Charge. |
| 52 | Material and Labour cable jointing kit for11 KV (Earthed) grade XLPE cable for Indoor end termination heat shrinkable type joint complete with jointing material and accessories suitable forsize 3 core 240 to 300 Sqmm including testing after jointing complete all as specified and directed by the Engineer-in-Charge. |
| 53 | Material and Labour cable jointing kit for11 KV (Earthed) grade XLPE cable for outdoor end termination heat shrinkable type joint complete with jointing material and accessories suitable forsize 3 core 120 to 185 Sqmm including testing after jointing complete all as specified and directed by the Engineer-in-Charge. |
| 54 | Material and Labour cable jointing kit for11 KV (Earthed) grade XLPE cable for outdoor end termination heat shrinkable type joint complete with jointing material and accessories suitable forsize 3 core 240 to 300 Sqmm including testing after jointing complete all as specified and directed by the Engineer-in-Charge. |
| 55 | Material and Labour cable jointing kit for11 KV (Earthed) grade XLPE cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored aluminium conductor cable of size 120 to 185 Sqmm including testing after jointing complete all as specified and directed by the Engineer-in-Charge. Note : Earth work will be measured and paid separately. |
| 56 | Material and Labour cable jointing kit for11 KV (Earthed) grade XLPE cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored aluminium conductor cable of size 240 to 300 Sqmm including testing after jointing complete all as specified and directed by the Engineer-in-Charge.Note : Earth work will be measured and paid separately. |
| 57 | S&L XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured ,electric power cables heavy duty with aluminium conductor, 11000 Volts grade ( earthed) of size 3 core 120 Sqmm complete in trenches/ ducts/ on pole etc complete all as specified and directed by the Engineer-in-Charge. |
| 58 | S&L XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured ,electric power cables heavy duty with aluminium conductor, 11000 Volts grade ( earthed) of size 3 core 185 Sqmm complete in trenches/ ducts/ on pole etc complete all as specified and directed by the Engineer-in-Charge. |
| 59 | S&L XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured ,electric power cables heavy duty with aluminium conductor, 11000 Volts grade ( earthed) of size 3 core 240 Sqmm complete in trenches/ ducts/ on pole etc complete all as specified and directed by the Engineer-in-Charge. |
| 60 | Servicing,Inspecting,checking,overhauling,cleaning by using of blower, Lubrication ,greasing and carrying out preventive maintanance of RMU capacity 11 KV, 250/350 MVA including calibrating the relay by conducting secondary injection tests and RMU in serviceable condition, testing and commissioning all as specified and as directed by the Engineer-in-Charge.Notes: (i) The rate quoted shall be deemed to include for necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, painting of RMU panels with approved colour including lettering details all as per exisitngetc. |
| 61 | Supply & fixing of the following parts of RMU complete all as specified and directed by the Engineer-in-Charge. |
| 62 | Self powered relay with O/C , S/C , E/F protection.Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records, min 2 setting group and keypad for setting parameters for the relay suitable fo RMU complete all as specified and directed by the Engineer-in-Charge. |
| 63 | CT having Ratio 100-50/1-1A for Class - 1.0, 2.5VA for metering and Class 10P10, 2.5VA for protection- 1Set complete all as specified and directed by the Engineer-in-Charge. |
| 64 | Cable termination bushing suitable for upto 1 RUN 3Cx185 Sq mm, XLPE cable- 1Set |
| 65 | Cable termination cover boots (Push on type) -1Set |
| 66 | Three Phase (R/Y/B) indicating lamps - 1Set |
| 67 | 11KV/230V AC, 1KVA control transformer - 1No |
| 68 | Battery and battery charger, 12Ah, (I/P-230V AC, O/P - 24V DC) - 1No |
| 69 | Spring Charging motor |
| 70 | Material and Labour notice plate of 1.6 mm thick mild steel sheet vitreous enameled white, with letters figures and conventional skull and bones in signal red colour and fixed with MS clamps bolts and nuts of approved size for HT 11 KV of size 25 x 20 cm complete all as specified and directed by the Engineer-in-Charge. |
| 71 | Material and Labour for earthing complete with GI earth plate electrode of size 60cm x 60cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5m below the normal ground level connected with GI strip 32 x 6mmby means of bolts, nuts, check nuts & washers of galvanized iron steel including necessary excavation and earth work in any type of soil, removing surplus soilto a distance not exc 50m, with and including PCC chamber in PCC (1:2:4), type B1,using (20mm graded stone aggregate), \"mild steel angle iron frame\" made out of MS angle iron of size 40x 40 x 6 mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle, watering arrangement with funnel internally secured with wire mesh with 20mm dia medium grade pipe for watering 40mm dia light grade, GI pipe for lead protection in & including alternate layers of charcoal dust and common salt complete all as shown inelectrical \"plate No \"3\" of SSR Part-I 2009all as specified and indicated including testing on completion including retrieving old GI earth plate, CI cover, GI pipes, angle iron frame from existing earthing complete all as specified and directed by the Engineer-in-Charge. |
| 72 | Disconnect and taking out the IDMT/ Numeric/ Microprocessor based relay of any type of any Make from 11 KV HT panel, cleaning the contacts, calibrating the relay by conducting secondary injection tests, checking of current transformer, rectification of defects in control wiring for proper tripping of circuit breakers through CTs and relay and tripping coils, adjustment/setting to plug and time multiplier settings of the relay to achieve the discrimination in tripping, tune/synchronise upstream breaker relay settings, re-installation of relay, testing & commissioningetc complete all as specified and directed by the Engineer-in-Charge.Note: The Contractor has to arrange necessary testing Kits, testing equipments, tools etc. Rental rates for the testing/calibration kits & connected equipments are deemed to be included in the quoted rate. Testing & tuning shall be carried out in the presence of representative of the Department, to the satisfaction of the Department. |
| 73 | Taking down HT switch gear (Vacuum circuit breaker ) at Sub stnof capacity11 KV 250/350 MVAcomprising of repairs, complete overhauling/servicing, carrying out preventive maintenance alongwith testing of breakers by current injection test and refixing the same after repairs/ overhauling complete all as specified and directed by the Engineer-in-Charge: Note:(i) The servicing includes for busbar duct chamber, cable alleys and connecting accessories (ii) The rate quoted shall be deemed to include for necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, painting of VCB panels with approved colour including lettering details all as per existingetc. to put in to the VCBs and panels in serviceable condition, testing and commissioning all as specified and as directed by the Engineer-in-Charge.(iii) Major spares like Breaker bushings, vacuum interrupter assly, busbar spout, busbar spout connections, circuit spout/circuit spout connections/buffer fixed contacts, moving contacts, tank assly/barriers, solenoid spares, dependent/spring mechanism/ motor mechanism, trip unit etc will be measured and paid separately under relevant items of Schedule \"A\". However the rate quoted shall be deemed to include for any other minor spares require replacement. (iv) The servicing shall be carried out by Auhtorised agency/rep of OEM of VCB. |
| 74 | Supply only the following spares suitable for 250 MVA to 450 MVA HT switch gear VCBs and 11 KV HT panel repair work under relevant Schedule complete all as specified and directed by the Engineer-in-Charge. |
| 75 | CTs epoxy cast wound primary CTs with minimum primary current 50 to 100A,double ratio, double core (Protection core-5P10 & Metering core- Class 1.0), 25 KA for 1 sec of 15 VA minimum Burden complete all as specified and directed by the Engineer-in-Charge. |
| 76 | Supply only 1.5 sqmm flexible PVC stranded copper conductor cable, unsheathed, 1100 V grade for control wiring complete all as specified and directed by the Engineer-in-Charge. |
| 77 | Supply only 2.5 sqmm flexible PVC stranded copper conductor cable, unsheathed, 1100 V grade for control wiring complete all as specified and directed by the Engineer-in-Charge. |
| 78 | LED Indication Lamps |
| 79 | Shunt trip coil 110 V DC/220 V DCassembly |
| 80 | Breaker control switch |
| 81 | Busbar Spout |
| 82 | Circuit spout |
| 83 | Control circuit fuses 2 A to 63 A |
| 84 | HRC fuse (PT HT side) |
| 85 | PT plug contact |
| 86 | Multifunction meter, Digital type (Displaying A, V, PF, Hz, KVA, KW, KVAR, KWh, Karsh etc.) Class 1/0.5 with RS485 port for communication in Modbus protocol. |
| 87 | VCB buffers |
| 88 | 110 Volt DC closing coilassembly |
| 89 | Push to trip knob red assembly |
| 90 | Push to trip knob green assembly |
| 91 | Ratchet wheel |
| 92 | Shutters for racking shaft |
| 93 | Bus bar support insulator for VCB panel |
| 94 | Vaccume Interrupter Bottle VG2 |
| 95 | Rectifier |
| 96 | Material and Labour for replacement of damaged space heater in HT VCB 11 kv with new one suitable to operate on 110 Volts DC supply complete with necessary wiring and control cable with toggle switch and all as directed by engr-in-charge. |
| 97 | Thermostat |
| 98 | Self powered relay with O/C , S/C , E/F protection.Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records, min 2 setting group and keypad for setting parameters for the relay suitable fo RMU |
| 99 | Supply and Fixing in replacement Retro Reflective installation sign boards of size 5 feet x 4 feet fabricated out of 16 gauge MS sheet frame duly welded/riveted with MS square pipe of size 25mm x 25mm at height 2.00 meter above ground level on stainless steel heavy dutypipe of size 80mmbore embedded 60 CM in PCC 1:2:4 type B 1 block of size 45cmx45cmx60cm including necessary excavation and earth work.The steel portion of the board shall be painted in stove enameled paint and the front & back of the frame shall be overall sheathed with blue colour base painter adhesive tape.The writing matter will be in English language on both sides with reflective adhesive painter tapes complete all as specified and directed by Engineer- in- Charge. |
| 100 | Supplying and laying as replacement in sub station 3.3 to 11 KV electrical insulation mat of size 5 mtr x 1 mtr x 2.5 mm thick confirming to IS 15652 2006 complete all as specified and directed by Engineer- in- Charge. |
| 101 | Platform :-Material and Labour for Brick Masonry (Using sub class \"B\" Brick) platform of size 3m x 3m x 1m height , built in CM 1:4 complete incl all necessary excavation & earth work, PCC 1:4:8 type D-2 in foundation, 15 mm thick rendering in CM 1:6 on sides and top of the brick work, up to 150 mm below ground level incl Supply and Fixing of 02 Nos MS Channels ofsize ISMC-100for balancing of Transformerembedded in PCC 1:2:4 type B-1 up to 100 mm Thick RCC 1:2:4 with 10 mm steel bar placed 100mm c/c, including provn of steps on one side complete all as specified and directed by Engineer- in- Charge. |
| 102 | Supply and Fixing cable route indicator made of RCC (Nominal Mix) type B0 1:2:4 (12.5mm graded stone aggregate) with 8mm TMT Bar place @ 150mm c/c of size 1m height X 60cm wide X 10cm thick tapered on top, visible above ground, duly painted with synthetic enamel paint of yellow colour base and letters with black paint complete all as specified and directed by Engineer- in- Charge..Note : Rate for PCC 1:3:6 for foundation (min size 0.8mx0.3mx0.3m) of aggregate size 20mm for cable route indicator deemed to be included in the item. |
| 103 | Supply, installing, testing and commissioning in replacement of factory made and testedBus bar chamberoutdoor type with canopy made out of 3.15 mm CRCA MS sheet, and 40x40x5mm thick MS angle iron frame work,powder coated finish over one coat of red oxide primer on outside surface and painted inside with two coats of red oxide primer, front opening type, with apron for cable entry closing locking arrangement of sizenot less than 400mm x 400mm x 300mm with 4 Nos400 Amps aluminum bus bar and with 250 Amp MCCB,4 pole, 25 KA, 415 Volt 50 Hz including excavation,earth workand platform for the Bus bar chamber with suitable size of foundation complete all as specified and directed by the Engg-in-Charge. |
| 104 | Supply, installing, testing and commissioning offactory made and testedHT Panel board, size: 1200 mm x1200 mm x 900 mm ,cubical compartmentalized , out door type double door, suitable for 11000 Volts, 3 phase,50 HZAC supply system having bus bar chamber with insulated aluminium bus bars of size ,50 mm x 10 mm, 3 Nos installed on SMC insulators suitable for 11000 Volts. The panel shall be dust and vermin proof. IP-65 class protection and shall be made of 3.15 mm CRCA MS sheet, and 50x 50 x 6mm thick MS angle iron frame work,powder coated front and rear opening type, with apron for cable entry closing locking . The fixing of doubledoors shall be on MS hinges with anti-theft provision (the door can’t be removed from enclosure without cutting enclosure). including excavation,earth workand platform for the panelwith PCC 1:4:8 type D-2 with 40 mm graded crushed stone, 15 cm thick in foundation, brick work in CM 1:6 with sub class \"B\", old size bricks, rendering 15 mm thick in CM 1:6 on exposed surfaces and 100 mm thick PCC padding 1:3:6, type C-1 using 20 mm graded crushed sotne aggregate on top and grouting bolts etc for panel.The platform shall be such that it is of a height 45 cm above the nearest road level complete all as specified and directed by Engr-in-charge. |
| 105 | Fencing :- Material and Labour for perimeter fencing of size 8mx4mx2m (as per site condition) havingMS work ofangle ironfor post and struts of fencing around the transformer plinth/substation/LT panels etcdrilling holes flat iron fillet for securing wire mess by welding to angle iron frame and framed workas in door/gate of angle ironand wiremesh.Door to be fixed by 03 nos 100mm long hinges and one sliding door bolt of 300mm long for lockingarrangement complete all as specified and directed by Engr- in- Charge. Details are as follows:- (a) Angle ironpost to post distance maintained not more than 02mtr ,size of angle shall be 40x40x5mm.Angle Iron shall be embedded in natural ground not less than 0.90 m deep. (b) MS wire 75x75mm mesh 3.15 mm dia ,2mtr height and shall befixedto post with flat iron 32 x 6 mm fillet with two coats of synthetic enamel paint over a coat of red oxide primer.(c) Cement concrete type D-2 ,1:4:8 using grade crushed stone aggregate for mass concrete/ foundation.(d) Brickwork with subclass \"B \" bricks ,straights or curved on plane exc 6m mean radius ,built in cement mortar 1:6 complete for toe wall along the perimeter fencing. The toe wall shall be one brick thick,30cm high (15cm above GL and 15cm below GL) on 75mm thick PCC lean concrete.(e) The exposed surfacesof brickworkshall be rendered 15mm thickin CM (1:4) finished fair and even without using extra cement.(f) The steel gate shall be of size 1.00m x2.00 m fabricated from angle iron 40x40x5 mm frame and 12x12 mm square guard bars.(g) All the exposed surfaces of steel shall be painted with two coats of Synthetic enamel paint over one coat of Red Oxide Primer.(h) Dry stone aggregate of size 40mm spreaded ,leveled & compacted up to 100mm thick.(j) Necessary excavation and earthwork shall be included in the quoted rate. |
| 106 | Supply and Fixing in replace Potential Transformer (PT) indoor type for VCB incommer panel, Ratio-11000/√3 /110/√3 /110/√3 , 100/50 VA, 50 Hz, Class-0.5/3P, IL - 28/75 KV, HSV- 12 KV, connection- Star-Star as per existing model and capacity complete all as specified and directed by the Engineer-in-Charge. |
| 107 | Material and Labour for Painting of VCB with Si-Coat 570 RTV Silicone High Voltage Insulator coating solution after cleaning the complete paint surface with silica paper , blower, heat blower complete all as specified and directed by the Engineer-in-Charge. |
| 108 | Supply of HT insulation Tape complete all as specified and directed by the Engineer-in-Charge. |
| 109 | Note : Contractor should procure and provide 50 % of the material as listed above within 15 days of the placing of work orderand shall be verified by the Engr-in-charge. |
