REPAIR TO HT EXTERNAL ELECTRIC INSTALLATION UG ELECTRIC SUPPLY LINE, DISTRIBUTION TRANSFORMER AND OTHER ALLIED WORKS SERVICES UNDER GE NARANGI

Amount

M&L in repair for Filtration and dehydration of transformer oil of distribution transformers indoor/outdoor type of 11/0.433 KV, 63 kVA to 500 kVA and Power transformer of 33/11 kV, 2.5 MVA minimum three cycle to achieve di electric strength of 40 kV for 1 minute at 2.5 mm gap as per relevant IS with portable filtration plant, testing of the oil break down voltage before filtration and after filtration complete all as specified and directed. Note: (i) Centrifuging Machine with all T&P & testing machine of oil required for dehydration is arrange by contracter. (ii) Oil required for topping up the transformer will be measured & paid separatly.

Supply, replacement and topping up transformer oil HV grade as per IS 335 of 1993 Part II having dielectric strength of not less than 40 KV in the transformer at various locations complete all as specified and directed.

M&L for taking out old unserviceable defective HV bushings on site from outdoor/indoor type distribution transformers of 11/0.433 kV and 63 KVA to 500 kVA and Supply and fix porcelain bushing with heat resistant gasket complete all as specified and directed.

M&L for taking out old unserviceable defective LV bushings on site from outdoor/indoor type distribution transformers of 11/0.433 kV and 63 KVA to 160 kVA and Supply and fix porcelain bushing with heat resistant gasket complete all as specified and directed.

M&L for taking out old unserviceable defective LV bushings on site from outdoor/indoor type distribution transformers of 11/0.433 kV and 200 KVA to 500 kVA and Supply and fix porcelain bushing with heat resistant gasket complete all as specified and directed.

Supply and fix in repairs brass terminal stud, both end threaded complete with double nuts & washers including distance piece both sides and heat resistance gasket suitable for HV side 11000 volts grade for 63 KVA to 750 KVA capacity of outdoor/indoor type transformer complete all as specified and directed.

Supply and fix in repairs brass terminal stud both end threaded complete with double nuts & washers including distance piece both sides and heat resistance gasket suitable for LV side 415 volts grade for 63 KVA to 160 KVA capacity of outdoor/indoor type transformer complete all as specified and directed.

Supply and fix in repairs brass terminal stud both end threaded complete with double nuts & washers including distance piece both sides and heat resistance gasket suitable for LV side 415 volts grade for 200 KVA to 500 KVA capacity of outdoor/indoor type transformer complete all as specified and directed.

M&L for servicing/overhauling, Calibration and decorbonising of 11 kV (panel with breaker + Relay ) and setting of Relay parameters VCB of capacity 630 Amps, indoor type, taking shut down from MRS and disconnecting incoming & out going cables , control cables from VCB and replacement of un-serviceable spares, greasing of revolving assembly in VCB chamber, spring charging mechanism including decorbonising the VCB panel and check servicability complete all as specified and directed.. Note:- (i) Spare parts/components required for replacement of above shall be measured and paid separately. (ii) Unit rate quoted against this item shall also include labour required for fixing of replaced items. (iii) For item Nos. 10.00 to 29.00 fixing charge of items are considered in this item no. 9.00.

Supply & replacement, calibrating, testing, commissioning of Micro processor feeder protection relay, range - 0.01In – 8In, protection setting- 2 set, protecting circuit correct – 1Amps & 5Amps sets, records history- 5Nos, Min 6 Analog out put, with following protections feeder protection 50/ 51N (3 Phase current), 50/ 51N (Earth Over current), 67 P (3 Phase directional Over current), 6/N (Earth fault directional over current), 51V (Voltage controlled over current) 37 (3 phase under current), 46(Negative phase sequence over current), 59N (Residual over voltage), 49 (Thermal over load), 79(Auto reclose), 50BF( Circuit breaker failure detection), Cold Load pickup, Inrush blocking, Relay will be on MODBUS protocol with LCD display, trip, circuit healthy, alarm, other assignable indication, Auxlary suppy : 110V DC complete all as specified and directed.

Supply only Isolating contact 800A set of 12 complete all as specified and directed.

Supply only Vacuum Interrupter complete all as specified and directed.

Supply only Closing coil 110VDC complete all as specified and directed.

Supply only Triping Coil 110DC complete all as specified and directed.

Supply only Master trip relay complete all as specified and directed.

Supply only digital VAF, PF meter with RS 485 port of accuracy Cl 1 including electical connection all as specified and directed.

Supply only breaker control switches (Trip-neutral-clolse) of rating 25 A VCB Panel complete all as specified and directed.

Supply only Indicator lamp 110V DC/240 V AC of colour : green/yellow/red/white/Amber/Blue complete all as specified and directed.

Supply only Breaker auxillary swtich 6 NO +6NC complete all as specified and directed.

Supply only Closing coil box assembly complete all as specified and directed.

Supply only Trip coil box Assembly complete all as specified and directed.

Supply only Auxillary switch Drive Assembly complete all as specified and directed.

Supply only Charging paw complete all as specified and directed.

Supply only Buffer for spring complete all as specified and directed.

Supply only Epoxy insulator complete all as specified and directed.

Supply only Fix R Phase Bus Bar Spout complete all as specified and directed.

Supply only Y Phase Bus Bar Spout complete all as specified and directed.

Supply only Fix B Phase Bus Bar Spout complete all as specified and directed.

Supply only Fix Circuit Spout complete all as specified and directed.

Supply and fixing of 110V AC input and 30V DC Power pack source for 11 KV VCB Panel with inbuilt battery including all electrical connection and taking down old unsv one complete all as specified and directed.

Supply only Spring Charging motor with gear assembly complete all as specified and directed.

Supply only Drive Beam for 11kV VCB complete all as specified and directed

Supply only Epoxy Body for 11kV VCB complete all as specified and directed.

M& L for Cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed. incl taking down unsv one.

M& L for Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed. incl taking down unsv one.

M& L for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed. incl taking down unsv one.

M&L for detecting of fault in 11KV (E) HT cable of any size(within 1-3 km legth) , 3 core laid in trenches/ducts with the help of electronic fault locating machine comprising of surge generator pulse, echo fault locator with high frequency distance calculator etc and exposing the cable fault, removal of deteriorated portion of cable, treating the cable including making it ready for jointing work complete all as specified and directed.. Note: - (i) The quoted rate shall deemed to include for the cost of earthwork excavation as required. (ii) Cable if replaced & Jointing kit shall be measured & paid separately.

S & F gang operated air brake switch mechanically operated on insulator and steel frame, with operating mechanism worked from ground level, with 9 nos insulator tilting type for current rating 200 Amps,11000Volt including taking down old unserviceable one complete all as specified and directed.

S&F Expulsion type drop out fuse with all accessories fixed on HT pole rating 200Amps Amps suitable for 11kV, 3 pole with two Nos insulator per pole including dismantling old unserviceable one complete all as specified and directed.

Supply and fix lightning arrester, expulsion type complete with all fitting distibution class ,discharge capacity 65 Kilo Amp 11000 Volts rating including dismantling old unserviceable lightning arrester complete all as specified and directed.

Supply and fix in repair single phase indoor type current transformer suitable for 11 kV, 50Hz, having effectively earthed neutral system, single core single ratio dry type epoxy resin cast,copper wound primary type,of CT Ratio 100-50/5-5A with rated burden 10VA and accuracy class 1 or better and conforming to IS 2705 (part-I & II) amended upto date with Short Circuit Rating 13.1 kA for 1.0 seconds complete all as specified and directed.

Supply and fix in repair drawout type three phase indoor type potential transformer with sheet enclosure suitable for 11 kV/110 V , 50Hz, dry type epoxy resin cast type,with rated burden 200VA/Phase and accuracy class 1 or better and conforming to IS 2705 (part-I & II) amended upto date complete all as specified and directed.

Taking out saturated silica gel from existing breather and Supply and replace silica gel in breather of transformers complete all as specified and directed.

Supply and fix in repair silica gel breather 250gm capacity made up of aluminium Top,transparent centre portion made of polycarbonate, filled with silica gel suitable for transformer of capacity 100 KVA to 250 KVA complete all as specified and directed.

Excavation in trenches, n.exc 1.5 m wide and n.exc 1.5 m in depth for laying of cable , etc. n.exc 10 Sqm on plan and n.exc 1.5m in depth and getting out in soft/loose soil complete all as specified and directed.

Returning filling in including spreading, levelling watering and well ramming in layers not exc 25 cm thick for any type of soil complete all as specified and directed.

Removing surplus soil to a distance not exc 50m and depositing at level not exc 1.5m above the starting point complete all as specified and directed.

Supply & laying Sand coarse dry as in cushioning of underground electric cable in trenches, laid to a uniform thickness of 23cm (15cm under the cable & 8cm over the cable) and gently punned down to 18cm thickness complete all as specified and as directed. Note :- Only punned down sand shall be measured.

Supply and laying un-reinforced precast concrete cable cover class HV type-1 of flat size 300mmx180mmx40 mm complete in trenches all as specified and directed.

Supply, laying, connecting and testing XLPE HT UG insulated (Earthed) cable laid in trenches/or fixed on pole etc. with screened PVC bedded galvanized steel strip or wire armoured electric power cable (heavy duty) with stranded aluminium conductor, 11000 Volt grade, cross sectional area 95 Sqmm, 3 Core conforming to IS-7098 (Part-II)-1985 laid in trenches/wall/ducts/poles including taking down old one complete all as specified and directed. Notes: (i) Excavation & earth work will be measured and paid separately.

M&L for GI pipe light grade 80mm bore dia with all fittings to be laid in trenches or in floors, complete including taking down rusted one complete all as specified and directed.

M& L for Isolating 11KV HT overhead supply from the substation and earth complete system properly, disconnecting complete electric system of the transformer from HT and LT side including earthing strips, removing transformer and taking out from substation or taking down from 2/4 pole structure ,lifting arrangements, transporting to authorized service centre/work shop for repair and back to the installation after repair including installing, commissioning and testing of the capacity upto 63 KVA

All as per Serial item No 52.00 here-in-before but of 100KVA to 200KVA

All as per Serial item No 52.00 here-in-before but of 250KVA to 400KVA

All as per Serial item No 52.00 here-in-before but of 500KVA to 750KVA NOTE (for Serial item No. 52.00 to 55.00):- Necessary T&P should be arranged by the contractor. The rate of T&P is included in above quoted rate

Draining out the complete transformer oil and keeping in safe custody in clean and dry containers for reuse. Opening the top cover of the transformer, disconnecting and taking out complete core assembly and dismantling it for checking the serviceability of the coil winding, checking the condition of the body, cleaning the tank and remove sludge/dirt, cleaning the coils limbs, refixing of core, core assy,tap changer assy,HT/LT winding connection, terminal studs of HT/LT sides and reassembling of transformer after repairs, refitting the transformer coil including improvement of insulation resistance value within desired level by heating or any other method to required level complete all as specified and directed to the entire satisfaction of engr-in-Charge upto 63KVA

All as per Serial item No 56.00 here-in-before but of 100KVA to 200KVA

All as per Serial item No 56.00 here-in-before but of 250KVA to 400KVA

All as per Serial item No 56.00 here-in-before but of 500KVA to 750KVA

Supply only primary (LV side) copper winding coils of existing type size and gauge and in weight complete including wrapping with paper insulation for transformer of 50 kVA to 750 kVA complete all as specified and directed.

Supply only primary (HV side) copper winding coils of existing type size and gauge and in weight complete including wrapping with paper insulation for transformer of 63KVA to 750 kVA complete all as specified and directed.

Reconditioning of LT coil of copper wound transformer by tuning the old paper insulation straightening the entire LT strip providing new paper insulations of superior quality and making coil of suitable design as original complete all as specified and directed.

Supply and fixing in replacement new off load tap changer assembly complete, making connection and testing complete of the transformer of 50KVA to 200KVA capacity complete all as specified and directed.

All as per serial item No 63.00 here-in-before but of 250KVA to 400KVA

All as per serial item No 63.00 here-in-before but of 500KVA to 750KVA

M&L for replacement brown Rubberized cork sheet gasket of 06mm thick for transformer tank complete all as specified and directed.

Earthing complete with copper earth plate electrode of size 60cm x 60cm x 3mm buried directly in ground vertically at a depth not less than 2.25 metre below normal ground level with top edge of earth plate at a depth not less than 1.5 metre below normal ground level sorrounded from all sides by 15cm thick and packed layer of charcoal dust and common salt fliing in alternate layers etc and connected to and including copper earth strip of size 20 x 3mm upto 7.5 mtr by means of bolts, nuts, check nuts and washers made of galvanised iron and protected by light grade 40 mm dia GI pipe connected to main control board and GI pipe medium grade 20 mm bore for watering and including funnel, wire mesh, charcoal salt etc RCC pit cover flush to earth pit 50mm thick reinforced with 8mm TMT bar 100mmC/C and PCC chamber pit with PCC (1:3:6) type C1 (using 20mm graded aggregate) including excavation and earthwork disposal of surplus soil to distance not exceeding 50 metre) and testing after completion all as specified and shown on plate No 3 of SSR Part-I 2009

M&L in repair for air break isolating switch 3 insulator for each phase (isolator for 33KV) vertical double stack central rotating type with earth blade hot dip galvanised complete with operating rod and handle complete all as specified and directed.

S & F in repair pre-molded elbow boots for transformer bushing made of non-tracking EPDM rubber suitable of 12kV and 95sqmm 3 core cable complete all as specified and directed.

M&L for painting of steel tubular HT poles including cross arms, clamps, back plates etc. in situ with one under coat and one finishing coat of aluminium paint after cleaning /preparation of surfaces including making white and black stripes 30 cm wide 5 Nos with two coats of synthetic enamel paint and marking of pole No, Substation No, etc. complete all as specified and directed.

M&L for Inspection, testing, servicing and overhauling of Factory Made 11 KV, 630 Amps, SF6 Insulated, Motorized, Outdoor RMU Consisting of any nos Incoming and any nos Outgoing Feeders. Testing comprising of the following complete all as specified and directed. Notes: (a) Repair/servicing of spring loaded operating mechanism. (b) Repair/servicing of spring charging motor. (c) Checking, repairing & servicing of gearbox, auxiliary switches, spring, limit switch etc complete. (d) Checking & repairing electrical and mechanical operations (e) Lubrication all moving parts with petroleum jelly & cleaning all bushing insulators with CTC (f) Tightening of all mechanical connections of mechanism (g) Proper Tightening all LV connection of VCB and cable chamber & allied connecting accessories (i) The rate quoted shall be deemed to include for necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, details all as per existing etc. (ii) Major spares 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.

Supply and fix including dismantling taking out unserviceable C&S make Relays CSDPR-V2-200 , CSPR-V5 from RMU of suitable model complete all as specified and directed.

Supply and fix including dismantling taking out unserviceable RM6 Operating Handle Big Size from RMU of suitable make complete all as specified and directed.

M&L for preparation of old painted surfaces of in-door/ out-door type transformer having capacity of 63 KVA to 750 KVA with coarse cloth/ brush and painting throughout externally on exposed surfaces with two coats of smoke grey colour synthetic enamel paint including one coat of white wash for base foundation complete all as specified and directed.

M & L for brick Masonry Foundation / Platform as per IE Rules and of size not less than 2.00 X 2.00 X 1,80m made of brick work using Fly Ash bricks built in Cement Mortar 1:6, over PCC Concrete Bed of 100mm thick in PCC 1:4:8, Type D-2, using 40mm graded stone aggregate over 150mm thick Hardcore of gauge not exceeding 63mm of broken stones or boulders, deposited, spread and levelled in layers not exceeding 15 cm thick watered and rolled, 100mm thick PCC 1:2:4 Coping, Type B1, using 20mm graded stone aggregate over top of the Platform / Foundation, rendering to brick surfaces, 15 mm thick in Cement Mortar 1:4, and finishing the top surface even and smooth without using extra cement and applying three coats of white washing including necessary earthwork, excavation, return filling, removal surplus soil complete all as specified and as directed.

M/s SCHOLASTIC ENTERPRISES (BID ID -3440051)