REPAIR / MAINT OF HT ELECTRICAL SYSTEM INCLUDING 33 KV MRS AT ACE KLP WITH CERTAIN OTHER EXTERNAL ELECTRICAL REPAIR WORKS UNDER GE AWC MHOW

Amount

Excavation in trenches in any type of soil, n. exc. 1.5m wide and n. exc. 1.5m deep and getting out for laying of cables/pipes etc including forming bottom surfaces to the required level/slope complete all as specified and directed.

Excavation in trenches exc 1.5m wide but exc 1.5m and n exc 3.0m deep for foundation of poles strut/stays etc n exc 10 sqm on plan and getting out in any type of soil all as specified and directed.

Returning filling in, including spreading, leveling, watering and well ramming in layers n.exc 25 cm thick all as specified and directed.

Removal of surplus excavated soil to a distance n. exc. 50 m and depositing where directed at a level n. exc. 1.5 m above starting point complete all as specified and directed.

Material and labour for locally available river sand cushioning for under ground cable in trenches 8 cm before laying and 15 cm after laying of cable and punned thickness of sand shall be measured and paid for 18 cm only after punned/consolidated thickness complete all as specified and directed.

Supply laying unreinforced precast concrete cable cover, class HVP, type-1, flat, size 300mm x 180mm x 40mm all as specified and directed.

Supply and laying Galvanised iron pipe "light grade" 80mm bore in trenches, under floors, roads, along poles for protection of cable with all necessary fittings, including sealing ends complete. (Make:- Jindal/Prakash Surya/Tata)

Supply and laying Galvanised iron pipe "light grade" 100mm bore in trenches, under floors, roads, along poles for protection of cable with all necessary fittings, including sealing ends complete. (Make:- Jindal/Prakash Surya/Tata)

M & L painting of 11mtr steel pole with cross arm and clamp of any length and shape for HT over head line with two coat of Aluminum paint including preparation of existing surfaces and marking pole No. in a 15 cm dia yellow circle and making 03 Nos. black and 02 Nos. yellow bands /strips with 30 cm wide fluorescent paint from bottom of pole up to 1.5 mtr height complete.

Ditto all as per Item No. 9 above but HT 02 pole structure complete.

Ditto all as per Item No. 9 above but HT 04 pole structure complete.

M&L for servicing overhauling & Maintenance of HT VCB installed at Substation complete including the following:- (a)Switching off HT Breaker isolating from incoming supply (b) Testing & callibration of all moving & fixing contacts. (c) Testing & checking of following :- (i) Low voltage coil, (ii) Over voltage coil, (iii) No volt coil, (d) Testing & Checking of all internal wiring connection, (e) CT & Relay testing primary injection kit . (f) Other relay testing. (g) Check all DC supply connection . (h) Testing of all LED indicator lamps.

Taking out defective/wornout parts from VCB 11KV and S&F new in replacement of the following description :-

Closing Coil 24 volt DC,1.7 Ohm,

Tripping Coil,24 volt ,DC ,1.7 Ohm.

Auxullary Switch, 32 Amp,440 volts.

Spring Charging Moter assy complet Make DELCO- 150w,Rpm-10,AC/DC.

PT Fuse (IS-13730)

Moter cut off switch,

Breaker Control Switch,02 Amp,220Volts,

Rollers

Big Gear Assembly

Small Gear Assembly

Trip Clutch Assembly Hardner Kit

Indicating lamp Y, R, B Each set of three

CT 50/5 +5A,11KV suitable for out going VCB (As per 1SS-2705, IEC-60044 make and size as per sample)

Insulator suitable VCB bus bar (make and size as per sample)

HT insulation tap make and size as per sample)

PT ,11KV suitable for out going VCB .

Vcb over current Relay (Make and size as per sample

Nut bolt washer suitable for 11KV busbar (make and size as per sample)

M&L for calibration of Digital Relays settings installed on VCB,11KV, for over current and Earth fault settings as makers mannual.

M&L for calibration of Digital Relays settings installed on VCB,33KV, for over current and Earth fault settings as makers mannual.

M&L for Moisture absorbing dew guard 150 mm x 150 mm size for HT VCB 11 KV and 33 KV for absorbing condensed water from VCB made out of synthetic rubber and super absorbent polymer and covered by a non-woven fabric to maintain a constant level of humidity in side VCBs capable to with stand temparature from - 30 degree to + 90 degree centigrade. The dew guard should be halogen free and silicon free , environmental friendly and can be dispossed of in regular trash. The rates quoted incl fixing inside VCB with strong adhesive double sided tape complete all as specified and as directed. Make - Model No HDG 150 of Hensel make (pack of 2)/equivalent in ABB/L&T

Tightening and re-stringing of existing loose over head conductor (ACSR/Copper/GI continuous earth wire) any type on LT/HT poles including replacement of binding wire of required size and shape from insulators & jumpers, stringing and tightening of conductor to permissible sag complete. Note : Each line of wire to be measured.

Lopping /cutting of tree branches from any height and type of tree in route of 11KV HT/LT lines from take over point to last of each feeder complete. Note : -(i) Necessary shut down where required be taken from MRS and time and date will be as per direction of Engr-in-Charge. (ii) The tree branches shall be 2 Mtr away from the outer conductor of OH lines after cutting.

M&L in replacement of lightning arrestor explosion type class discharge cap 65KA suitable for 11 KV system for out door use with all fittings and connecting to electrical system including taking down existing unserviceable lightening arrester complete. (Make : ELPRO / GE / Pactil/Jaipuria)

Supply & laying inreplacement of HT XLPE, insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with stranded aluminium conductor, 33000 Volt Grade of size 120 Sqmm 3 core including jointing and testing complete. (Excavation and earth work and sand cushioning shall be paid separately).

Supply & laying inreplacement of HT XLPE, insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with stranded aluminium conductor, 11000 Volt Grade of size 120 Sqmm 3 core including jointing and testing complete.

Supply & laying inreplacement of HT XLPE, insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with stranded aluminium conductor, 11000 Volt Grade of size 95 Sqmm 3 core including jointing and testing complete.

Supply and Fixing NTL steel H- Frame poles complete with cast iron as per sample of length not than 11 Mtrs duly painted, finial taper plug,bolts, nuts,& including cross arm with screws complete all as specified and directed.

M&L for cement concrete1:4:8 type D2 using 40mm graded stone aggregate in foundations, filling and mass concrete complete all as specified and directed.

M&L cement concrete 1:3:6 type C2 using 40mm graded stone aggregate in foundations, filling and mass concrete complete all as specified and directed

M&L for cement concrete 1:2:4 type B1 using 20mm graded stone aggregate in coping & the like etc. including weathering slightly rounded/chamfered angle with & including necessary use & waste of form wk for fair finished surfaces complete all as specified and directed.

Supply and fix in repairs of vice type PG clamp consisting of two aluminium plates, and two steel bolts and nuts for 2 conductors of equal or unequal sizes, upto 13mm dia for non-tension connetions including replacement of old jumper and treatment of connector and ACSR conductor with conducting jelly.

Material and labour for spreading and leveling evenly (any thickness) 40 mm graded stone aggregated complete all as specified and directed.

Tracing out fault in 11KV underground cable any size with the help of fault tracing machine and rectifying the same with joints as specified and directed to restore the supply complete all as specified. Note: (i) Joint kit shall be measured and paid separately. (ii) Earth work shall be measured and paid separately. However, width of trenches shall be allowed for payment as per authorized width given in SSR for each size of cable. (iii) All other necessary arrangements suitable for locating the faults deemed to be included in the unit rate quoted. (iv) T&P required for the entire job shall be provided by the contractor at his own end and nothing extra shall be admissible on this account. (v) Cable required, if any shall be measured and paid for separately.

Disconnecting of HT connections and DC connections from existing bus bar and including servicing of complete plarts of RMUs of any make /any type , cleaning wit carbo tetra chloride lubrication of mechanical parts , including replacement of control wiring with single core copper conductor cable of existing size as required at site of RMUs of any type any make for satisfactory running and replacement of defective parts with new one to make it fully functional , including one coat of H class insulation paint on bus bar spouts and other connected parts , including reassembling the same and reconnecting all HT & AC/DC connectiones complete in functional order including testing on existing load complete all as specified and directed. Note :- (1) M&L for checking and testing of proper Earthing connection

(2) The quoted rate of contractor includes for fixing the unserviceable parts in position and replacement of unserviceable parts with new parts. (3) Proper adjustment of handle lock and alignment. (4) Testing of On/Off position of breaker by fixing checking apparatus on required slot. (5) Testing & Checking cable connection in lower chamber (6) The complete work ( repairing , servicing & calibrating ) shall be carried out by the authorised OEM of the approved agency i.e siemens, MC Lucy Electric pvt Ltd /ABB and certificate to this effect shall be provided by the contractor of the authorised OEM.

Supply and Fixing of air break gang operated switch 33 KV horizontal type mounted including insulator and operating mechanism and testing all component complete all as specified and directed. Note :- Air break gang operated switch 33 KV horizontal type fixed on steel structure and steel structure measured and paid separately under respective item.

Material and labour for preparation of steel surface of any description for painting of fencing posts, MS flats, MS welded mesh inside or out side power house or sub stn with two coat of synthetic enameled paint over a coat of red oxide primer all as specified.

Supply and fixing inreplacement Drop out fuse single pole ,two post insulator per pole complete with FRP FUSE Barrel channel type for current rating upto 50amps 11000V etc including fixing arrangement with nut bolt etc complete all as specified and directed. Make : Rashtriya /Jaipuria / Pactil /Alstom.

Disconnecting the power supply of existing RMU 11 KV , removing base bolts,nuts from PCC foundation ,shifting the same in another location carefully and installing in PCC foundation , connecting Incomming and out going cable connection by means of Indor termination (two incommer and 01 outgoing) , testing on completion complete all as specified and as directed. Note: Excavation, PCC and end termination of HT cables shall be measured and paid seperately as per relevent item of schedule.

M&L for replacing aluminium bus bar 630A to 800 Amps as per existing size of HT 11 KV RMU 3 bay along with its mounting Porcelain insulators( 06 Nos), nuts, bolts and washers complete all as specified and as directed.

Material and labour for repair of RMU Model No-MCR 4 Function Make Siemens Pvt Ltd including replacement of burnt bush and bush insulator ,gasket,bush cover- 06 nos including bush and nut bolt and Gas Leakage packing material & filling gas complete all as specified and directed .

Supplying and laying synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 KV for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable forelectrical shock safety of sizes 2m x 1m complete.

Supplying and laying synthetic Rubber insulated mats 3.0 mm thick for voltage upto 33 KV for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m complete.

M & L for dismantling & taking out burnt cable end (one side) transformer or LT panel/LT feeder pillar box including excavation of refilling complete and cut the burnt cable end and making suitable for reconnections to cable with proper luging & glanding of transformer /LT panel of cable size upto 185 sqmm and 3.5 core all as specified and directed.

Disconnecting HT, LT and earth connections from transformer out door/ indoor type, pole mounted/ plinth mounted 11/0.433 KV, capacity ranging 63 KVA to 160 KVA, lifting the transformer by using hydraullic crane and load the same in a suitable truck to transport to the manufacturer's workshop. Un loading the same by using hydraullic crane, drain out insulating oil complete to take out the core assy, replace the damaged HV/LV leg coils with proper gauge copper wire, re insulation the complete core/windings with proper insulation materials, complete servicing and ovening of ttransformer as specified, filter the insulation oil minimum three cycles upto 400 Ltrs quantity to receive the proper value of dielectric strength, testing the oil for not less than 40 KV BDV,

refilling the same to the transformer, toping up with new transformer oil upto the marked level, re assembling complete accessories including testing of transformer at work shop as specified and directed by Engr in charge. Loading the transformer and transporting back to the substation, installation on the existing foundation/ structure including HT, LT, and earthing connections, carry out magnetic test and other specified tests after transportation of the transformer and commissioning in all respect to the satisfaction of Engr in charge. Note :- (i) The copper wire of suitable gauge for rewinding of damaged portion will be measured and paid under respective items of this schedule. (ii) The oil used for topping up of transformer oil and dehydration of existing oil will be measured and paid under respective item of this schedule.)

Ditto all as per item No. 40 above, but for transformer of 11 KV/433 Volts capacity from 200 KVA to 315 KVA of any make and any type all as directed.

Ditto all as per item No. 40 above, but for transformer of 11 KV/433 Volts capacity from 400 KVA to 500 KVA of any make and any type all as directed.

Supply only HV bushing 11 KV for transformers upto 500 KVA capacity complete all as specified and directed.

Supply only LV bushing 0.433 / 0.415 KV for transformer upto 500 KVA capacity complete all as specified and directed.

Supply only HV spindle (metal part) made out of brass with nuts and washers complete for transformer for 500KVA capacity complete all as specified and directed.

Supply only LV spindle (metal part) made out of brass with nuts and washers complete for transformer upto 500KVA capacity complete all as specified and directed.

M & L replacement of worn out Copper wire for LT winding of transformer of cap upto 500 KVA complete all as specified and directed

Supply only Copper wire for HT winding of transformer of cap upto 500 KVA complete all as specified and directed

M&L in repairs for AB Switch triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 amps suitable for 11000 volts complete all as specified and directed. Make Jaipuria, Rashtriya, Pactil, Souther insulators.

Supply, filling and topping up new transformer oil low viscostly type of min dielectric strength of 60 KV breaking voltage at 2.5mm gap conforming to IS complete for indoor/ outdoor transformer complete all as directed.

S&F dial type thermo meter of minimum 100 mm dia with maximum temperature indicator for transformer of capacity up to 400 KVA all as specified and directed.

M&L for filtration of transformer oil usiing automatic centrifuging machine (heating oil at 40 to 50 degree C) to achieve min. 35 KV breaking capacity at 2.5 mm gap by absorbing and abolishing all sludge particles for use as per BS-B 66-1983 complete all as specified and directed .

S&F silica gel breather (transparent type) with silica gel complete suitable for up to 500 KVA transformer rating all as specified and directed.

Repair / servicing of battery charger including replacement of stepdown transformer 240 /12 V , fuse of required size and checking and callibration of voltmeter , ammeter all as specified and directed .

M & L for cleaning of MES electric supply installation /Sub station by surface dressing or trimming of natural ground to remove small unequalities (including removing vegetation /shrubs /brush wood /under growth ) and carrying away the rubbish to a distance of not exc 50 mtr away complete for the various sub station incl spray of herbsite all as specified and directed by Engr - in -Charge.

M&L for spraying chemical (roundup) on area to remove unwanted vegetation /grass at various locations as directed by Engr-in-Charge Note- (1). Labour and equipments to spray chemical on required area are including in quoted rate. ( 2). spray will be repeated quarterly or as per diredtion by Engr-in-Charge .

M&L for painting of transformer of capacity upto 100 KVA to 500 KVA with two coats of smoke grey synthetic enamel paint externally after necessary preparation to surfaces including numbering SM/MES No. with white paint, etc complete all as specified and directed.

M&L for disconnecting and taking out worn out jumpers of suitable size for HT over head line / Sub Station of any size and length after removing binding wire / Sub Station connector of AB switch / DO fuse unit and replacement with the new ACSR weasel conductor jumpers including PVC sleeves in colour coding R/Y/B of same size and length 1.5 mtr including new winding wire / connectors suitable for AB switch / DO fuse unit including provn of conducting jelly all as specified and as directed.

Servicing of air break gang operated switch and DO fuse unit upto 400 amps capacity , 11 KV vertical or horizontal type mounted including insulator and operating mechanism and repair/ replacement of broken/worn out component, insulator etc for smooth functioning including oiling and greasing and testing complete. Note :- Spares shall be measured and paid separately as supply only under respective item.

Servicing of air break gang operated switch 33 KV vertical or horizontal type mounted including insulator and operating mechanism and repair/ replacement of broken/worn out component, insulator etc for smooth functioning including oiling and greasing and testing complete. Note :- Spares shall be measured and paid separately as supply only under respective item.

Supply only spares for gang operating switch 11KV of the following description :- Make : Rashtriya /Jaipuria / Pactil /Alstom.

Male moving contact Blade, heavy duty, high conductivity metal capacity 200 / 400 Amp 11 KV.

Female fixed contact Jaw, heavy duty, high conductivity metal capacity 200 / 400 Amp 11 KV.

Male / Female Contact assembly for fixing of DO fuse fixed on post insulator.

Steel frame with operating mechanism and operating rod of 25 mm dia bore GI pipe worked from ground level with locking arrangement complete.

Supply, fixing cable jointing kit 11 KV grade cable for out door termination heat shrinkable type joint complete with jointing material & accessories suitable for 3 core XLPE armoured cable alumininum conductor 50 to 95 sqmm complete all as specified and directed.

Supply, fixing cable jointing kit 11 KV grade cable for indoor termination heat shrinkable type joint complete with jointing material & accessories suitable for 3 core XLPE armoured cable alumininum conductor 50 to 95 sqmm complete all as specified and directed.

Ditto all as per item No.63 above but straight through joint suitable for cross section area50 to 95 sqmm 3 core XLPE.

Supply, fixing cable jointing kit 11 KV grade cable for out door termination heat shrinkable type joint complete with jointing material & accessories suitable for 3 core XLPE armoured cable alumininum conductor 120 sqmm to 185 sqmm complete all as specified and directed.

Supply, fixing cable jointing kit 11 KV grade cable for indoor termination heat shrinkable type joint complete with jointing material & accessories suitable for 3 core XLPE armoured cable alumininum conductor 120 sqmm to 185 sqmm complete all as specified and directed.

Ditto all as per item No.66 above but straight through joint suitable for cross section area 120 sqmm to 185 sqmm 3 core XLPE.

Supply, fixing cable jointing kit 11 KV grade cable for out door termination heat shrinkable type joint complete with jointing material & accessories suitable for 3 core XLPE armoured cable alumininum conductor 300 sqmm complete all as specified and directed.

Supply, fixing cable jointing kit 11 KV grade cable for indoor termination heat shrinkable type joint complete with jointing material & accessories suitable for 3 core XLPE armoured cable alumininum conductor 300sqmm complete all as specified and directed.

Ditto all as per item No.69 above but straight through joint suitable for cross section area 300 sqmm 3 core XLPE.

Supply, fixing cable jointing kit 33 KV grade cable for out door termination heat shrinkable type joint complete with jointing material & accessories suitable for 3 core XLPE armoured cable alumininum conductor 120 sqmm complete all as specified and directed.

Supply, fixing cable jointing kit 33 KV grade cable for Indoor termination heat shrinkable type joint complete with jointing material & accessories suitable for 3 core XLPE armoured cable alumininum conductor 120 sqmm complete all as specified and directed.

Ditto all as per item No.72 above but straight through joint suitable for cross section area 120 sqmm 3 core XLPE complete.

S & F repair Danger notice plate of 1.6 mm thick mild steel sheet vitrous enameled white with letter figures and conventional skull and bones in signal red colour and fix with suitable size MS clamp for HT size of Plates 25 cm X 20 cm complete all as specified.

M&L for replacement of blown out DO Element fuse, 33/ 11 KV grade of capacity from 5 to 50 Amps consisting of 20 pieces.

S & F in repair of cable path indicator made of MS sheet 3 mm thick of size 200 x 150 mm spot welded with angle iron of 40x40x5 mm thick 750mm long embedded in PCC 2:4:6 incl painting with two coat of synthetic enamel black paint over one coat of red oxide primer and sign writting with white paint showing grade of cable HT/LT complete all as directed

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