REPAIR/MAINTENANCE OF EXTERNAL ELECTRIFICATION, TRANSFORMER, VCB, LT UG CABLE AND ALLIED WORKS AT ZONE A AREA UNDER GE I RND DELHI

Amount

S&F in repair end termination joint 11 KV indoor type, end termination heat shrinkable of size 3x 95 sqmm including thimbling, nut/bolts & washers, HV insulating tape etc. complete all as specified and as directed.

S&F in repair cable jointing kit for 11KV (Earthed) grade cable for indoor termination , heat shrinkable of size 120 to 185 sqmm including thimbling, nut/bolts & washers, HV insulating tape etc. complete all as specified and as directed.

S&F in repairs straight through joint 11 KV heat shrinkable of size upto 95 Sqmm including thimbling, nut/bolts & washers, HV insulating tape etc. complete all as specified and as directed.

S&F in repairs straight through joint 11 KV heat shrinkable of size 120 to 185 sqmm including thimbling, nut/bolts & washers, HV insulating tape etc. complete all as specified and as directed.

S&F in replacement of ACB 4 pole, 415 V with thermal magnetic release (Manual fixed type) of capacity 630 Amps complete all as specified & directed.

All as per item srl No 5.00 above but capacity 800 Amps.

All as per item srl No 5.00 above but capacity 1000 Amps.

Supply and laying in replacement PVC insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 400 Sqmm 3.5 core including suitable size aluminium lugs properly crimpled with crimping tools including testing complete all as specified and directed

All as per item srl No 08 abocve but area 300 Sqmm 3.5 core

All as per item srl No 08 abocve but area 240 Sqmm 3.5 core

All as per item srl No 08 above but area185 Sqmm 3.5 core

All as per item srl No 08 abocve but area 150 Sqmm 3.5 core

All as per item srl No 08 above but area 120 Sqmm 3.5 core

Supply and laying in replecement XLPE insulated screened, PVC bedded galvanised steel strip or wire armoured electric power cable(Heavy duty) with aluminium conductor, 11000 volts, grade cross sectional area 120 Sqmm 3 core including testing complete all as specified & directed

All as per item srl No 14.00 above but area 185 Sqmm 3 core

Supply and laying in replacement XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 16 Sqmm 4 core including suitable size Aluminium lugs properly crimpled with crimping tools including testing complete all as specified and directed

All as per item srl No 16.00 above but area 50 Sqmm 3.5 core

All as per item srl No 16.00 above but area 70 Sqmm 3.5 core

All as per item srl No 16.00 above but area 95 Sqmm 3.5 core

Supply and laying GI pipe light grade in replecement of 100mm dia laid in trenches for protection of UG cable complete all as specified & directed

All as per item srl No 20.00 above but 80mm dia

M&L for boring of holes under road, pavement, hard standing by trenchless techonology using ultra sound technique /mannually/ mechanically and necessary machine laying of 100mm dia GI pipe complete all as specified and directed

Taking proper shutdown & Isolate the HT electric supply and taking out the trolley of VCB/OCB HT 11KV 300 to 630 Amps of any make and type and servicing of all minor/major parts of the VCB by cleaning isolating contact moving parts,removing dust particle from the bus bar chamber spout gear mechanism, repair to motor charge spring mechanism,tightening of all nut & bolts of entire trolley component as directed , inserting the trolley, testing the complete HT electric supply and putting on supply on load complete all as specified & directed. Note:- All cleaning /testing equipment/ safety equipment material shall be provided by the contractor and rate for the same shall be demed to be included in quoted rates.

Calibration of relay of 11KV HT VCBs and 1.1KV ACBs installed at various sub stn at KWC area complete all as specified and directed. Note:- 1. All testing & calibration equipment with all accessories shall be brought by the contractor and rate for same is deemed to be included in quated rates. 2. The complete test report shall be submitted by the contractor to Engr-in-charge/GE(I)R&D Delhi

S&F in replacement of HRC /MCB fuse link clip type on fuse link 2 to 20 amp operating voltage 415 V complete all as specified and directed.

S&F in replacement of fuse base suitable for cylindrical /DIN type HRC fuse of capacity 2-32 amps complete all as specified and directed.

S&F in replacement of closing spring assembly complete all as specified and directed.

S&F in replacement of tripping spring assembly complete all as specified and directed.

S&F in replacement of charging motor cut off limit switch complete all as specified and directed.

S&F in replacement of spring charging handle motorized mechanism of VCB complete all as specified and directed.

S&F in replacement of push button bracket assembly complete all as specified and directed.

S&F in replacement of bus bar support insulator 75 mm dia including all fixing accessories complete suitable for VCB/HT Bus bar chamber all as specified and directed.

S&F in replacement of bus bar barrier as per existing (set of three) with nuts bolts complete all as specified and directed.

S&F in replacement of toggle switch for space heater complete with all accessories all as specified and directed.

S&F in replacement of Charged/Discharged indication assembly complete all as specified and directed.

M&L in replacement of control wiring for panel with 2.5 Sqmm copper conductor cable FRLSH including proper laying with the help of locking device as per manufacturer instruction complete all as directed

Taking down repairable potential transformer of HT VCB 11 KV/ 110 V of any make, opening & dismentling the complete unit and refixing after carry out the following repairs/replacement :- (a) Rewinding of transformer as per existing gauge and pattern. (b) Cleaning and servicing of the PT. (c) Replacement of wornout nuts/bolts and other minor parts including HRC Fuse. (d) Soldering / tightening of loose connections. (e) Replacement of potential transformer oil having dielectric strength upto 50 KV. (f) Painting of outer portion of PT with synthetic enameled paint of grey colour of approved make. (g) Testing of the PT's for proper functioning to the entire satisfaction of the Engineer- in-charge

S&F in replacement of potential transformer of HT VCB 11 KV/110 V of any make complete all as specified and as directed

S&F in replacement of 11 pin anti pumping relay 110V DC complete all as specified and directed.

S&F in replacement of bottom terminal with jaw contact complete all as specified and directed.

S&F in replacement of top terminal with jaw contact complete all as specified and directed.

S&F in replacement of space heater 230V AC 80W complete with all accessories all as specified and directed.

S&F in replacement of thermostat complete with all accessories all as specified and directed.

S&F in replacement of PT epoxy female bushing suitable for R-Y-B phase complete all as specified and directed.

S&F in replacement of PT epoxy male bushing suitable for R-Y-B phase complete all as specified and directed.

S&F in replacement of PT fuse 11 KV complete all as specified and directed.

Dehydration and filtration of transformer oil with proper dehydration machine to achieve dielectric strength between 45 to 60 KV including testing/recording of dielectric strength result before and after of dehydration complete all as specified and as directed.

Supply and topping up transformer oil having dielectric strength not less than 60 KV complete all as specified and directed.

Taking shut down from main substation and drain out the transformer oil and to be collected in barrel by opening the transformer cover of capacity 400 to 500 KVA by unscrewing the nuts/bolts and washers and kept in safe custody and reuse the same, and checking any type of leakage from both HT and LT side including cleaning the sludge etc depositing in the core and tank by using soft brushes and clean with old transformer oil, refilling of transformer oil including refixing of top cover including nut/bolts etc and testing the input & output voltage and adjustment of the voltage through tape changer if required complete to the entire satisfaction of Engineer- in-charge.

All as per srl item No 49.00 above but of capacity 630 KVA

S&F in repair HT bushing 11KV suitable for 400 to 630 KVA Transformer including brass rod complete with gasket as per matching to existing all as specified and directed.

S&F in repair LT bushing 11KV suitable for 400 KVA to 1000 /1500 KVA transformer including brass rod complete with gasket as per matching to existing all as specified and directed.

S&F in repair head gasket sheet 6mm thick suitable for Transformer 400 KVA to 500 KVA capacity including replacement of nuts, bolts, washers including necessary T&P required at site complete all as specified and directed.

S&F in repair head gasket sheet 6mm thick suitable for Transformer 630 KVA capacity including replacement of nuts, bolts, washers including necessary T&P required at site complete all as specified and directed.

S&F in repair Dehydrating breather assembly complete with silica gel grains in the breather assembly suitable for transformers 400 KVA to 630KVA as per matching to existing complete all as specified and directed

S&F in repair temperature gauge analog type complete with all accessories as per matching to existing complete all as specified and directed

S&F in repair voltmeter digital type for voltage range of (0-500V) including all accessories and wiring complete all as specified and directed.

S&F in repair ammeter digital type for current range of 0-1000 Amps as per matching to existing including all accessories and wiring complete all as specified and directed.

S&F in repair power factor meter digital type for frequency range (45-65 Hz) as per matching to existing one including all accessories and wiring complete all as specified and directed.

S&F in repair three phase over current earth fault relay MC-61 as per matching to existing one including all accessories and wiring complete all as specified and directed.

S&F in repair three phase overcurrent earth fault relay MC-61A as per matching to existing one including all accessories and wiring complete all as specified and directed.

S&F in repair three phase digital KV volt meter range up to 15 Kv as per matching to existing one including all accessories and wiring complete all as specified and directed.

S&F in repair LED type Indicating lamp of voltage AC/DC set of RYB, as per matching to existing complete all as specified & directed.

S&F Battery Charger of capacity 12 volt for AMF panel complete all as specified & directed.

S&F Battery Charger of capacity 24 volt for AMF panel complete all as specified & directed.

S&F in repair Current Transformer as per matching to exisitng complete all as specified and directed.

S&F in repair Multifunctional meter complete all as specified and directed

S&F in repair VCB Power Pack unit 24 Volt DC 7 AH with battery bank for backup including panel as per matching to exisitng complete all as specified and directed

Excavation in trenches in soft/loose soil not exceeding 1.5m depth & not exceeding 1.5m in width over energised LT cables for carrying out brick work for preparation of cable duct including for taking out and relaying of LT Cables complete all as specifed & directed

Returning filling in including spreading levelling watering and well ramming in layers not exceeding 25cm thick as in soft/loose soil complete all as specified and directed.

Removing excavated soil to a distance 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.

Supply & laying dry fine sand for cushioning of underground cable laid in trenches/duct complete all as specified and as directed. Note : Punned thickness shall be measured.

Supply and laying in trenches burnt brick sub class 'B' standard size for cable protection keeping width of the brick parallel to the length of the cable all as specified and directed.

Supply and laying un-reinforced factory made precast concrete cable cover , class HV, type 1, flat size-300x180x40 mm complete all as specified and directed

Excavation in trenches in hard/dense soil not exceeding 1.5m depth & not exceeding 1.5m in width over energised LT cables for carrying out brick work for preparation of cable duct including for taking out and relaying of LT Cables complete all as specified & directed

S&F in replacement of 3 Pole MCCB, 250 Amp, 50 Hz, 415 V with rupturing capacity 35 KA complete all as specified & directed

S&F in replacement of 3 Pole MCCB, 400 Amp, 50 Hz, 415 V with rupturing capacity 36 KA complete all as specified & directed

S&F in replacement of 3 Pole MCCB, 630 Amp, 50 Hz, 415 V with rupturing capacity 50 KA complete all as specified & directed.

S&F in replacement of 4 Pole MCCB, 250 Amp, 50 Hz, 415 V with rupturing capacity 35 KA complete all as specified & directed.

S&F in replacement of 4 Pole MCCB, 400 Amp, 50 Hz, 415 V with rupturing capacity 36 KA complete all as specified & directed.

S&F in replacement of 4 Pole MCCB, 630 Amp, 50 Hz, 415 V with rupturing capacity 50 KA complete all as specified & directed.

S&F in repair Steel tubular swaged poles ( swan neck type) complete with cast iron base plate, finial taper plug, bolts, nuts & screws as specified type 410 SP-31,9 metres long poles shall be coated with two coats of black bituminus paint through out internally and externally upto plinth height. The remaning portion of the exterior shall be painted with one coat of red oxide primer complete all as specified & directed. Note : PCC including dismantling of existing pole, demolition of PCC etc earth work shall be measured and paid saperately.

M&L for PCC (1:3:6) type C1 using 20 mm graded stone aggregate for foundation of pole complete all as specified and directed.

M&L for PCC (1:2:4) type B2 using 40 mm graded stone aggregate for coping of pole complete all as specified and directed.

M&L for PCC (1:4:8) type D2 using 40 mm graded stone aggregate for foundation of pole complete all as specified and directed.

S&F in repair junction box SMC kiosk box water proof IP-54 of size 140x140x95 mm incl fixing of terminal connector 100 A 4 pole suitable for in and out connection of 4 core cable fixed on pole complete all as specified & directed.

S&F in repair Capacitor Bank MPP-H, 5 KVAR capacity rated 440 Volts AC,3ø,50HZ ,Delta connection, Round type complete all as specified and directed.

S&F in repair Capacitor Bank MPP-H, 10 KVAR capacity rated 440 Volts AC,3ø,50HZ ,Delta connection, Round type complete all as specified and directed.

S&F in repair Capacitor Bank MPP-H, 20 KVAR capacity rated 440 Volts AC,3ø,50HZ ,Delta connection, Round type complete all as specified and directed.

S&F in repair Capacitor Bank MPP-H, 25 KVAR capacity rated 440 Volts AC,3ø,50HZ ,Delta connection, Round type complete all as specified and directed.

Supply and laying GI pipe light grade size 40 mm dia fixed on wall/laying in trench including all connected fitting/acessories including taking old unserviceable complete all as specified and directed

Supply and laying XLPE insulated heavy duty electric cables with aluminium conductor,1100 volts grade, cross sectional area 25 Sqmm 3.5 Core and testing complete all as specified & directed

S&F bollard light cone series act as an imposing street furniture a silient observed, diffuser at the upper portion adds functional value with IP-65 with in built 8 watt LED 1 M height and connected all acessories complete all as specified and directed

Supply and fixing in repair PVC pipe of size 20 mm dia medium grade iicluding all connected acessories complete all as specified and directed

Supply and fixing mild steel Cross arms of angle iron bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape ( as per site requirment or directed by Engr -in-charge) size as indicated or directed complete all as specified and directed

Dismantling old rusted cross-arms of M.S. channel or angle sections etc. and setting aside with in 50 mtr complete all as specified and directed.

Material and Labour for earthing complete with GI earth plate electrode 600mmx600mmx6mm thick burried in ground vertically to a depth not less than 2.25meters below ground level with top edge of the earth plate at a depth not less than 1.5 meter below the ground level, earth plate surrounded 15cm thick layers of common salt and charcoal dust starting from ground below 15 cm of earth plate and up to 15 cm above the same. GI plate connected with galvanised iron wire 4mm dia by means of Copper nuts, bolts and washers. GI wire laid in 20mm dia light grade GI pipe as protection from top of the plate up to test point (cost of protection pipe up to 7.5 meters from earth electrode will be included in the rates quoted by the contractor) with following complete all as specified and shown in electrical plate No 3 of SSR Part-I & testing on completion :- (a) GI wire 4 mm dia (b) Watering pipe GI light grade 20mm dia from top of the earth electrode up to MS funnel with wire mesh embeded in floor of PCC earth pit. (GI Funnel should properly tightned on GI watering pipe and embeded in PCC floor of earth pit with open top suitable for watering of earth pits) (c) Excavation & earthwork in any type of soil PCC earth pit 30x30x30cm constructed in PCC 1:2:4 type B1 exposed surfaces smoothly finished with 15mm thick cement mortar 1:6 plaster including RCC pit cover 50mm thick 1:2:4 type B1 reinforced with 8mm dia mild steel bar 75mm centre to centre with 2 Nos MS handles of 12mm dia suitable for carrying of pit cover.

Material and Labour for earthing complete with copper plate electrode 600mmx600mmx3.15mm thick burried in ground vertically to a depth not less than 2.25meters below ground level with top edge of the earth plate at a depth not lesss than 1.5 meter below the ground level, earth plate surrounded 15cm thick layers of common salt and charcoal dust starting from ground below 15 cm of earth plate and up to 15 cm above the same. Copper plate connected with copper earth strip 20x3mm by means of nuts, bolts and washers. Copper strip laid in 40mm dia light grade GI pipe as protection from top of the plate up to test point (cost of protection pipe up to 7.5 meters from earth electrode will be included in the rates quoted by the contractor) as shown in electrical plat No. 03 of SSR Part-I with following:- (a) Copper strip 20x3mm. (b) Watering pipe GI light grade 20mm dia from top of the earth electrode up to MS funnel with wire mesh embeded in floor of PCC earth pit. (Funnel should properly tightned on GI watering pipe and embeded in PCC floor of earth pit with open top suitable for watering of earth pits) (c) PCC earth pit 30x30x30cm constructed in PCC 1:2:4 type B1 exposed surfaces smoothly finished with 15mm thick cement mortar 1:6 plaster including RCC pit cover 25mm thick re-inforced with 8mm dia bars 75mm centre to centre both ways with 2 Nos MS handles of 12mm dia suitable for carrying of pit cover.

M&L copper strip 20mmx3mm buried in ground including necessary excavation & earth work in soft/loose soil and removal of excavated material to a distance n.exc 50 mtrs and deposited where directed including taking out old unserviceable complette all as specified & directed.

Supply & Laying in replacment of synthetic insulating mat of size 2m x 1m x 25mm thick for voltage upto 11 KV complete all as specified and as directed.

M&L MS chequred plate of suitable size for cable duct cover 6mm thick and earth pit cover inculding taking out old unservaceable complete all as specified and directed.

Supply & fixing Electrical insulation HT tape of 3/4"width of 30 feet length Etylene Propylene backing highly comfortable to wrap snugly over most any shape streches up 100 percent to provide avoid moisture, resistant insulation tape complete all as specified & directed.

Supply and fixing of Monoplast compound Putty use for jointing material of LT/HT cable complete all as specified and directed.

S&F of Air Termination single pointed Aluminium Rod 12mm dia 300mm long complete with fixing rivets, nut bolts and washer complete all as specified and directed.

S&F in replacement of Aviation Obstraction Light LED lamp 50Hz, 240Watt Die-cast aluminum housing with Red polycarbonate enclosure dome for better illumination and Supper flux 5mm 302nos. LEDs incorporated including all fitting accessories complete all as specified and directed.

Supply & Fix CRC 2-23 Electrical equipment (contact) cleaner spray used for prevent electronic malfunction equipment caused by water penetration, humidity, corrosion etc and of 500ml can complete all as specified and directed.

Supply & Fix earth pit chamber alongwith cover of Polymer, FRP Pit cover of heavy high grade polypropelene for high stress and starin level of size 225x300x195mm complete all as specified and directed.

S&F ACP retro sign board of size 1.5x1.1 Mtr using retro reflective high intensity prismatic reflective sheeting. The back ground of board is Blue Colour with white border and writing letter, numbers white colour mentioning the HT/LT substation Details, and Single line Schematic diagram of substation. Retro sign board shall be pasted on 3mm thick ACP sheet. The board shall be fixed on Wall including fixing of fastners, nuts, bolts, washer etc complete all as directed

S & F in repair rolled section framed work as in doors or gates of angle or other section with gusset plates, rails braces, etc, complete drilled for fixing of steel sheeting or other covering . Doors, etc to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fitting (exclusive of steel sheeting or other covering, running rails and guides) and hanging also fastening and fixing complete all as specified & directed

M & L in repair mild steel in flat, round or square bars, in available in length Fe 410-W (Gde-E-250) sqality-A of size 6mm to 8mm dia

M&L for Preparation of newly steel surfaces of any description, over 10cm in width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide primer, complete all as specified and as directed.

Excavating hard / dense soil in post holes (or similar holes) each n exc 0.5 cu. m, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm in any type of Soil.

Supply, installing, testing and commissioning Approx size 1500mmx1200mmx550mm factory fabricated and tested LT Indoor type, platform mounted, suitable for 415 Volts 3 Phase and neutral, 4 wire, 50Hz AC supply system having bus bar chamber with insulated electrolytic Aluminium bus bars TPN of capacity 600 Amps on DMC insulators with bus bar chamber. The panel shall be dust and vermin proof, made out of 2.00 mm thick CRCA mild steel sheet and mild steel & Mounting Channel frame work made out of MS angle iron 75X40 mm duly coated with zinc metal coating, front opening type . A clear space of 450 mm to be kept from floor level for switchgear compartment & control wiring with Copper conductor FRLSH cable of adequate size but not less than 2.5 sqmm complete.

BUS BAR CHAMBER:- (a) 600 Amps 3 Strips & 1 Neutral Strip 600 Amps, Aluminium , E-91 grade with colour coded heat shrinkable sleave and shall be mounted on non hygroscopic, non combustible, track resistant, high strength DMC material, interconnection of all incomings & outgoings. INSTRUMENT CHAMBER:- (i) Digital Multi Function Meter with LED display for measurement of Voltage, current, frequency, Power Factor, 96 X 96 mm, 3 Phase - 01 Set. (ii) C.T's of capacity 250/5 A Cl 1.0 - 01 Set. ( Set of 3) (iii) LED Phase Indicator. ( Set of three ). (iv) Protection MCB 6 A SP C Series- 1 Set. ( Set of 3) INCOMING SUPPLY :- (i) MCCB 250 Amps,breaking capacity 35 KA 4P- 01 No OUTGOING SUPPLY :- (i) MCB 63 Amps SPN 10KA, C curve 240 volts, = 20 Nos., (ii) MCB 40 Amps SPN 10KA, C curve 240 volts, = 04 Nos. (iii) MCCB 100 Amps 4P 25KA, 415 volts, = 02 Nos. (iv) Compartment for Electric Meter including fixing - 20 Nos. Note:- (i) Drg of LT panel with indicating all accessories shall be submitted for approval of GE (I) prior to procurement from the manufacturer. (ii) The panel shall be of CPRI, approved type.

dee een enterprises

SNOWY ENGINEERING INC

BLUE HILL ELECTRICAL AND ELECTRONICS