REPAIR AND REPLACEMENT OF UNSERVICEABLE HT UG CABLES HT JOINTS HT BUSHES SPARES OF HT VCB AND TRANSFORMER DEHYDRATION OF TRANSFORMER OIL AND OTHER CONNECTED WORKS UNDER GE NORTH MUMBAI

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 mtr deep and getting out in soft/loose soil all for laying of cable complete all as specified and as directed.

Returning, filling in, including spreading leveling, watering and well ramming the excavated soil in layers not exceeding 25 cm thick complete all as specified and directed.

Removal of surplus excavated soil to a distance not exceeding 50 Mtr distance and depositing as directed at a level not exceeding 1.5 mtr above staring point complete all as specified and directed.

Supply & spreading in trenches crusher sand cushioning to underground cable in trenches including spreading, levelling hard punning down complete all as specified and directed by Engineer-in-Charge. (Note:- For the purpose of payment only punned thickness will be measured).

Supply & Laying unreinforced precast concrete cable cover class HV,type-1,flat,size 300x180x40 mm for protection of cable all as specified and directed by Engineer-in-Charge.

M&L for Filtration/dehydration of transformer oil in distribution transformer 11/.433 KV. The machine continuously run round the clock till obtaining di -electric strength not less than 55 KV in 2.5mm gap and topping up with new Transformer oil and carrying out IR test before and after dehydration of transformer all as specified and directed. Note : New Transformer oil will be paid and measured separately under respective item of Sch.

M&L for heating and toping up transformer insulation oil EHV grade having dielectric strength not less than 60KV at 2.5 mm gap high viscosity confirming to IS – 335 of 1983 complete for replacement of unserviceable transformer oil or for toping up all as directed.

Supply and fixing breather assembly of approved make filled with silica gel suitable for transformer of capacity 150KVA to 315KVA

Supply and fixing breather assembly of approved make filled with silica gel suitable for transformer of capacity above 315KVA to 750KVA

Taking down carefully U/S Aluminium HT UG Cable 11000 volt grade from trenches / ducts etc of size 150 sqmm 3 core complete all as directed

Supply, laying and testing 3 core power cable, 11 KV earthed, 150 sqmm, aluminium conductor,XLPE Insulated, PVC sheathed, armoured as per IS 7098 (Part-II):2011 fixed to wall pole or laid in trenches making all connections with necessary glands lugs bushing complete all as specified and directed.

End termination jointing kit for 11 KV(Earthed)grade cable for outdoor termination Heat Shrikable type joint complete with jointing material and accessories suitable for 3 core XLPE insulated 11000 volt grade Armoured Heavy duty UG Aluminium Conductor Cable of Nominal Cross-Sectional Area 120 to 185 Sqmm and Testing complete incl taking down unserviceable all as specified and as directed.

End termination jointing kit for 11 KV(Earthed)grade cable for indoor termination Heat Shrikable type jointcomplete with jointing material and accessories suitable for 3 core XLPE insulated 11000 volt grade Armoured Heavy duty UG Aluminium Conductor Cable of Nominal Cross-Sectional Area 120 to 185 Sqmm and Testing complete incl taking down unserviceable all as specified and as directed.

End termination jointing kit for 11 KV(Earthed)grade cable for straight through Heat Shrikable type jointcomplete with jointing material and accessories suitable for 3 core XLPE insulated 11000 volt grade Armoured Heavy duty UG Aluminium Conductor Cable of Nominal Cross-Sectional Area 120 to 185 Sqmm and Testing complete incl taking down unserviceable all as specified and as directed.

End termination jointing kit for 11 KV(Earthed)grade cable for straight through Heat Shrikable type jointcomplete with jointing material and accessories suitable for 3 core XLPE insulated 11000 volt grade Armoured Heavy duty UG Aluminium Conductor Cable of Nominal Cross-Sectional Area 50 to 95 Sqmm and Testing complete incl taking down unserviceable all as specified and as directed.

M & L End termination jointing kit for 11 KV(Earthed)grade cable for outdoor termination Heat Shrikable type jointcomplete with jointing material and accessories suitable for 3 core XLPE insulated 11000 volt grade Armoured Heavy duty UG Aluminium Conductor Cable of Nominal Cross-Sectional Area 240 to 300 Sqmm and Testing complete incl taking down unserviceable all as specified and as directed.

M& L End termination jointing kit for 11 KV(Earthed)grade cable for indoor termination Heat Shrikable type jointcomplete with jointing material and accessories suitable for 3 core XLPE insulated 11000 volt grade Armoured Heavy duty UG Aluminium Conductor Cable of Nominal Cross-Sectional Area 240 to 300 Sqmm and Testing complete incl taking down unserviceable all as specified and as directed.

Cutting of Vegetations,Creapers,grasses ,earth heaps etc,cleaning and levelling of cutting areas in surrounding of HT/LT poles complete all as spcified and directed.

S & F Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in single red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20cm size including taking down old unsv danger notice plate all as specified and as directed.

S & F synthetic insulating mats made of elastomers, class B, HT electrical insulation rubber matting of size 2 mtr X 1 mtr X 25 mm for 11 KV Sub Stn, confirming to IS 15652 - 2000 all as specified and directed.

S&F Digital type Volt meter 0-15KV, PT operated 110 Volt input complete all as specified and directed.

S & F Digital type Amp meter CT operated, 5 Amp input complete all as specified and directed.

Disconnecting and taking out existing HT 11 KV VCBs (Make : Crompton/ArevaAlstom) from housing and cleaning, rubbing and overhauling the mechanical parts and Servicing of 11KV in door VCB, checking of quality of vacuum interrupter, insulation resistances, static contact resistance, Testing ( IR value, Ratio test, Polarity test) and connection verification of 11 KV Current transformer( Set of three) by PRIMARY INJECTION KIT ,and Testing and calibration of relay( set of two Over current and one earth fault) by SECONDARY INJECTION KIT including all other functional tests of the VCB, C&R panel and CTs, PTs. complete. Note: UNSV spare parts will be measured and paid separately against respective items.

Supply and fixing Connecting and testing tripping coil DC 24 V for 11 KV VCB

Supply and fixing Connecting and testing closing coil DC 24 V for 11 KV VCB

Supply and fixing breaker charging motor including Gear assembly 110 volt AC of 11 KV VCB panel ( MAKE: CG/SCHNIDER/AREVA) complete all as spd and directed.

M&L for finding cable fault with electronic fault detector in HT/LT UG cable of size 25 to 300Sqmm complete including earthwork complete all as specified and as directed

Supply and fixing in replacement of complete gasket (Cock sheet) 6 mm thick complete of capacity of 500 to 750 KVA 11000/433 Volt Distribution transformer including conical rubber bush.

All as per Item No 28 but of capacity 150 to 315 KVA 11000/433 Volt Distribution transformer

Painting of transformer after cleaning the body surface of transformer by rubbing with emery Paper to remove oil stains, dust etc and applying one coat of snthetic enamel paint by spray paint incl writing SM No/MES No , capacity of transformer 500 to 750 KVA 11000/433 Volt Distribution transformer all as directed by Engr-in-Charge

All as per Item No 42 above but of capacity 150 to 315 KVA 11000/433 Volt Distribution transformer

Supply and replacing in repair of transformer HT side Bushing / insulator with neoprene washer with terminal studs and bolt, nuts suitable for 150/200/500/750 KVA, 11 KV complete.

Supply and replacing in repair of transformer LT side Bushing / insulator with neoprene washer with terminal studs and bolt, nuts suitable for 150/200/500/750 KVA, 11 KV complete.

M&L Earthing with Galvanised Steel Earth Plate Electrode 600X600X6.0mm thick, buried directly in Ground (Earth Pit not less than 2.25 METRE deep below Ground Level) with Top Edge of the Plate not less than 1.50 METRE below Normal Ground Level connected to GI strip 32x6mm Earthing Lead upto 7.5 METRE from Testing Point by means of Bolts, Nuts, Check Nuts and Washers of Galvanised Iron or Steel, Earth Plate Electrode surrounded by a packed thickness of Char Coal mixed with Common Salt in alternate layers of not exc.150mm thick, Aluminium Strip protected with and including GI Pipe 40mm Bore (dia) ‘Medium Grade’ for mechanical protection including PCC Pit in Cement Concrete (1:3:6) Type C1 (20mm Graded Stone Aggregate) and Pre-Cast RCC Cover of Size 450X450X50mm in RCC (1:2:4) Type B1 (20mm Graded Stone Aggregate) with Mild Steel Round Bar 10mm Handle of suitable Size, Reinforced with and including 8.0mm dia TMT Bars @ 100mm Centre to Centre both ways GI Wire Mesh, Funnel, GI Watering Pipe 20mm Bore (dia) Medium Grade, necessary Excavation in Soft/Loose Soil, Returning Filling in and Removal of Surplus Spoil upto a distance of 50.00 METRE and all as shown in Electrical Plate No. 3 of MES Schedule Part-I and Testing on completion including Taking down Unserviceable Earthing, complete all as specified and as directed.

M&L for earthing with copper earth plate electrode 600 x 600 x 3.15 mm thick burried directly in ground vertically to a depth of not less than 2.25 mtr below ground level connected to copper strip of size 20x3 mm as earthing lead means of nut, bolts and washers made out of galvanised ireon mild steel and 40 mm dia GI pipe "medium grade" for protection of earth lead and connected to Transformer / DG Set Neutral/body or as directed by Engr -in-Charge including PCC Pit in Cement Concrete 1:3:6 (20mm Graded Stone Agg-regate) and RCC Cover of size 450X450X50mm in RCC 1:2:4 (20mm Graded Stone Aggregate) rein-forced with and including 8.0mm dia TMT Bars @ 100mm centre to centre both ways, Galvanised Iron Wire Mesh, Funnel, Galvanised Iron Watering Pipe 20mm Bore (dia) light Grade, necessary Excavation in Soft/ Loose Soil, returning, filling in and removal of surplus Spoil upto a distance of 50.00 metre and all as shown in Electrical Plate No. 5 of MES Schedule Part-I and Testing on completion including Taking down Unserviceable Earthing, complete all as specified and as directed.

Dismantling of unserviceable Air Break Gang Operated Switches, Vertical/Horizontal Mounted with Insulators, etc. and Serviceable Air Break Gang keep in Safe Custody for Re-use, etc. complete all as specified and directed.

M&L Switch Air Break, Gang operated, Triple Pole, Mechanically Operated, mounted on Insulators and Steel Frame Single Break Insulator suitable for Out door Vertical Mounted complete with Manual Operating Mechanism made and operation from GL including 25mm bore GI pipe heavy duty and handle Arching Horns and Terminal Connectors for ACSR Conductors conforming to IS-1818/72 and 9921/85 with 3 Isolator Per Pole of Capacity 200 Amp, 11 KV Operation including necessary Adjustment and making Holes on Mild Steel Angle and Testing complete all as specified and as directed.

S&F in repair Lightning Arresters expulsion type, complete with all Fittings, distribution Class, Discharge Capacity 65 Kilo Amp suitable for 11000 Volt, complete all as specified and as directed.

S&F in repair of post insulator 11 KV cd-350mm complete

supply and lay GI pipe light grade 80mm bore for cable protection laid in trenches complate all as specified

M&L for complete removal of existing paint of steel tubular four pole structure lentht up to 11 mtr including prepareation of outer surface and applying two coats of aluminium paint over a coat of red oxide and two strip of blue colour paint of size 30 cm width from bottom of pole eight 30 cm including numbeering to pole with base paint of yellow colour and black for numbering should not be less than 100 mm in height and 10 mm in width complete all as specified and as directed by Engr -in- Charge

ELECTRO ASSOCIATES