REPAIR/ MAINTENANCE TO EXTERNAL ELECTRIC SUPPLY LT CABLE AND OTHER CONNECTED WORKS AT NMRL AMBERNATH

Amount

Excavation in trenches in hard/ dense soil not exceeding 1.5 metre wide and not exceeding 1.5 metre deep for taking out/laying of HT/ LT under ground cable and getting out complete all as specified and as directed.

All as per item No 01, here-in-before but depth exc. 1.5 metre and not exc. 3.0 metre complete all as specified and directed.

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

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

Material and labour for crushed sand as in cushioning of cable in trenches complete all as specified and directed. Note : Punned thickness of sand cushioning shall only be measured and paid.

Supply and lay Bricks; common burnt clay building bricks, sub-class 'B’ designation 75 complete all as specified and as directed.

Material and labour for GI tube, 100mm dia, light grade, with necessary fittings, complete, fixed to walls, pole ceiling or laid in trenches for cable protection complete all as specified and directed. NOTE :-(Excavation and earth work where required shall be measured separately. MS Clamps for fixing on wall / pole , etc are included in the unit rate quoted.

On load filteration of transformer oil by continuous circulation of transformer oil through mechanical filters to achive the desired dielectric strength of 50 KV for one minute at 4 mm gap complete all as specified and as directed. Note: 1.Oil samples are to be collected from top and bottom of oil tank and test results to be recorded for each sample before and after filteration.

Supply and topping up transformer oil of dielectric strength 50 KV at 4 mm gap in transformers of various capacity installed at various locations complete all as specified and as directed. Notes : (a) New Transformer oil will be filled in the transformer only after filteration and dehydration of existing transformer oil of the transformer. (b) Transformer oil shall be supplied in sealed barrel with test result and test certificate. Make of Transformer oil: Savitha/ Mech/ Gandhar/ Power oil

Supply and Fix in repair breather assembly transparent plastic body with top and bottom portion pressed with metallic cover, filled with silica gel blue in colour and suitable for fixing on existing pipe of size 15/20/25 mm dia with suitable reducers/connectors etc as per site requirement /capacity of transformer complete all as specified and as directed. Note : Rate quoted shall deemed to be included the cost of modification if any required to fix on existing Pipe.

Material and labour for preparation of old painted steel surface of 6 pole structure 11 metre long HT steel tublar poles above GL/coping including cross arms,channels,Flat iron,Clamps by scraping with wire brush/ sand paper and applying one coat of aluminium paint including writing pole number complete all as specified and directed by Engr-in-charge.

Material and labour for preparation of old painted steel surface of 4 pole structure 11 metre long HT steel tublar poles above GL/coping including cross arms,channels,Flat iron,Clamps by scraping with wire brush/ sand paper and applying one coat of aluminium paint including writing pole number complete all as specified and directed by Engr-in-charge.

Material and labour for preparation of old painted steel surface of 2 pole 11 metre long structure HT steel tublar poles above GL/coping including cross arms,channels,Flat iron,Clamps in LT/HT OH line by scraping with wire brush/ sand paper and applying one coat of aluminium paint including writing pole number complete all as specified and directed by Engr-in-charge.

Material and labour for preparation of old painted steel surface of LT steel tublar poles 8.5/9 mtr long above GL/coping including cross arms,channels,Flat iron,Clamps in LT OH line by scraping with wire brush/ sand paper and applying one coat of aluminium paint including writing pole number complete all as specified and directed by Engr-in-charge.

Supply, install, testing and commissioning 22 KV outdoor type Polymer based gang operated air brake switch triple pole, suitable for verticle mounting complete , GI operating rod of suitable length for operating mechanism worked from ground level complete in both OFF and ON positions, for current rating upto 200 Amps,each pole consist of galvanised steel base HT insulators as per BSS/ISS non ferrous knife and spring loaded contacts, arcing horns of adequate section to brake magnetizing current of the transformers. All ferrous parts hot dipped galvanised and non ferrous parts suiatably tinned to withstand weather complete all as specified and directed.

Supply and Fix in repair Polymer based dropout fuse unit complete set suitable and including for 22 KV, HT outdoor and dropout type of capacity 200 Amps including jumper connections with copper flexible designed jumper and testing and commissioning all as per the directions of Engr-in-charge.

Supply and fix Lightning arrester, class 18 KV, nominal discharge current 10 KA, high current impulse withstand (4/10micro Sec), long duration current impulse withstand, energy dissipation capability: 2 kJ/kV or rated voltage, watt loss 0.10 W/kV including connection to earth strip all as specified and as directed. Make : Jaipuria Brothers or equivalent as approved by GE.

Material and labour for straight through joint kit,heat shrinkable,type,for under ground cable including joint kits and labour complete for making joints suitable for aluminium conductor cable XLPE,3 core, 95 to 185 sqmm, 22 KV including takingdown existing unserviceable joint kit complete all as specified and directed by Engineer-in-charge.

Material and labour for outdoor type end termination joint kit, heat shrinkable, type, for under ground cable including joint kits and labour complete for making joints suitable for aluminium conductor cable XLPE, 3 core, 95 to 185 sqmm, 22 KV including takingdown existing unserviceable joint kit all as specified and directed by Engr-in-charge.

Material and labour for indoor type end termination joint kit, heat shrinkable, type, for under ground cable including joint kits and labour complete for making joints suitable for aluminium conductor cable XLPE, 3 core, 95 to185 sqmm, 22 KV including takingdown existing unserviceable joint kit all as specified and directed by Engr-in-charge.

Cutting the tree branches which touches the LT/HT OH lines and 2.5 mtrs away from centre line of HT/LT OH line span not exceeding 45 mtrs between poles and depositing the tree branches/leaves at 30 m distance away from site complete all as specified and directed. Note: Any number of tree branches cut in one span will be measured as one unit

Supply and Fix ACB 4 Pole, 415 V, with Thermal Magnetic Release Manual drawout type of capacity 800 Amps including taking down old unserviceable ACB complete all as specified and directed.

Supply and Fix MCCB 3 Pole, 415 V,with thermal magnetic release, 630 Amps with breaking capacity 50 KA, overload and short circuit protection with spreader terminals and extended rotary operated handle including taking down existing unserviceable MCCB complete all as specified and directed.

Supply and Fix MCCB 4 Pole, 415 V,with thermal magnetic release, 400 Amps with breaking capacity 50 KA, overload and short circuit protection with spreader terminals and extended rotary operated handle including taking down existing unserviceable MCCB complete all as specified and directed.

Supply and Fix MCCB 3 Pole, 415 V,with thermal magnetic release, 400 Amps with breaking capacity 36 KA, overload and short circuit protection with spreader terminals and extended rotary operated handle including taking down existing unserviceable MCCB complete all as specified and directed.

Supply and Fix MCCB 3 Pole, 415 V,with thermal magnetic release, 160 Amps with breaking capacity 25 KA, overload and short circuit protection with spreader terminals and extended rotary operated handle including taking down existing unserviceable MCCB complete all as specified and directed.

Supply and Fix MCCB 4 Pole, 415 V,with thermal magnetic release, 100 Amps with breaking capacity 16 KA, overload and short circuit protection with spreader terminals and extended rotary operated handle including taking down existing unserviceable MCCB complete all as specified and directed.

Supply and Fix MCCB 3 Pole, 415 V,with thermal magnetic release, 100 Amps with breaking capacity 16 KA, overload and short circuit protection with spreader terminals and extended rotary operated handle including taking down existing unserviceable MCCB complete all as specified and directed.

Supply and Fix MCCB 3 Pole, 415 V,with thermal magnetic release, 63 Amps with breaking capacity 16 KA, overload and short circuit protection with spreader terminals and extended rotary operated handle including taking down existing unserviceable MCCB complete all as specified and directed.

Supply and Fix MCCB 3 Pole, 415 V,with thermal magnetic release, 40 Amps with breaking capacity 16 KA, overload and short circuit protection with spreader terminals and extended rotary operated handle including taking down existing unserviceable MCCB complete all as specified and directed. Make : Legrand / L&T / C&S /ABB/BCH

Material and labour for PCC 1:4:8 type D-2 by using 40 mm graded crushed stone aggregate as in foundations of Poles complete all as specified and directed.

Material and labour for PCC 1:3:6 type C-2 by using 40 mm graded crushed stone aggregate as in foundations of Poles complete all as specified and directed.

Material and labour for PCC 1:2:4 type B-1 by using 20 mm graded crushed stone aggregate as in coping of poles including necessary formwork complete all as specified and directed.

Supply and spreading of graded coarse stone aggregate 40 mm complete all as specified and directed

Maintenance and servicing of DG set 500 KVA through authorise service agency of OEM, Make Greaves Ltd , including renewal of defective/wornout parts with new spares such as filters, gaskets, V belts, Engine Oil, rubber hoses with clamps, nuts bolts and cleaning of alternator with vaccum cleaner and CTC, greasing of bearings of engine and alternator, tappet setting, checking of batteries, adding distilled water etc all as specified and directed. Note:- spares for renewal will be measured and paid separately under relevent items of Schedule as Supply only.

Supply only engine oil to the DG sets any capacity complete all as specified and directed Make: castrol/ HP/ BP

Supply and top up of Premix Ethylene Glycol coolent for Engine Radiator complete all as specified and directed. Make :Bosch or equivalent make as approved by GE.

Supply only Bypass filter element with 'O' ring suitable for 500 KVA DG Set complete all as specified and directed.

Supply and fixing panel mounted onload Changeover switch 800 Amps, 4 pole, 415 Volts, 50 Hz, Conforming to IS/IEC 60947-3, Modular construction, in Positive Isolation, in Door Interlock and Padlock facility all as required complete all as specified and directed.

Supply only fuel filter primary and secondary with 'O' ring suitable for 500 KVA DG Set complete all as specified and directed

Supply only oil filter with 'O' ring suitable for 500 KVA DG Set complete all as specified and directed

Supply and fix danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20cm size complete all as specified and directed

Supply and fixing SMC Cable junction boxes of inside dimensions 300 mm x 200 mm x 105 mm complete with provn of MS clamp to fix to Swaged pole and having MCB SP 6 to 32 Amps, 'C' curve duly fixed on din rail -01 along with R, Y, B, N terminals mounted inside the box etc all as specified and directed

Supply, installing, testing and commissioning, factory made and tested LT feeder pillar outdoor type, weather, vermin proof, cubical type, platform mounted, suitable for 415 volts, 3 phase 4 wire 50 Hz AC supply, with necessary insulated bus bar arrangement of 4 strips, the panel should be dust proof, IP 54 class protection and made out of 2 mm thick stainless steel grade 304 sheet size not less than 1500mm x 1500mm x 600mm with suitable angle iron frame not less than one feet height, hinged doors, front and rear opening and locking arrangement, screwed knobs for rear opening and duly powder coated on the out side and inside, cable glands and lugs for incoming and out going cables etc, independent chamber to accommodate including bus bar chamber with electrolytic aluminium bus bar suitable for 600 Amps capacity for 3 phase and neutral (all connection inside the panel shall be through aluminium strip) connected duly supported with FRP insulators including colour code heat shrinked insulating sleeves and multifunction meter, RYP LED phase indicatiors, CTs, MCB complete with wiring suitable size PVC insulated heavy duty 1100 volts grade single core cable with copper conductor multistranded with cable end terminaion lugs including taking down existing unserviceable LT Panel complete all as specified and directed.

Supply, installing, testing and commissioning, factory made and tested, LT Panel outdoor type, weather, vermin proof, cubical type, platform mounted, suitable for 415 volts, 3 phase 4 wire 50 Hz AC supply, with necessary insulated bus bar arrangement of 4 strips, the panel should be dust proof, IP 54 class protection and made out of 2 mm thick stainless steel grade 304 sheet size 1700 mm x 1300mm x 600mm with suitable angle iron frame not less than one feet height, hinged doors, front and rear opening and locking arrangement, screwed knobs for rear opening and duly powder coated on the out side and inside, cable glands and lugs for incoming and out going cables etc, independent chamber to accommodate including bus bar chamber with electrolytic aluminium bus bar suitable for 1200 Amps capacity for 3 phase and neutral (all connection inside the panel shall be through aluminium strip) connected duly supported with FRP insulators including colour code heat shrinked insulating sleeves and multifunction meter, RYP LED phase indicatiors, CTs, MCB complete with wiring suitable size PVC insulated heavy duty 1100 volts grade single core cable with copper conductor multistranded with cable end terminaion lugs including taking down existing unserviceable LT Panel complete all as specified and directed.

Supply, installation, testing and commissioning of FAST ELECTRODE maintenance free Chemical Earthing of Dual Pipe Technology of 3 Meter long with Outer pipe Diameter of 88 mm & inner pipe diameter 48 mm, the pipes outer is properly galvanized for 80-120 micron and Wall thickness of inner pipe 3.0 mm and 2.0 mm of outer pipe. There should be terminal for connection of 75 X 6.0 mm with two holes of 14mm diameter. FAST ELECTRODE is dully filled with the highly conductive material with sealing at both ends with lead terminal of 75 X 5.2 mm at top. The FAST ELECTRODE shall be duly tested & certified by CPRI (Central Power Research Institute), Govt. Of India for a minimum short circuit current of 42 kArms for 1 Second with initial pick of 88.2 kA. The Electrode is tested in MSME Govt of India. The Electrode is tested for salt spray testing as per B 117-09 for corrosion for minimum 500 hours from NABL accredited lab CHEM .T 298 /& MECH.T 299 & ISO/IEC 17025 accredited material testing lab. Supply of Fast Electrode Earth Enhancing Compound 2 Bags of 25kgs each. The chemical compound should be tested and certified by any International accredited and BIS (Bureau of Indian Standards) accredited laboratory.The testing laboratory should be ISO 9001 & ISO 14001 certified. The earth enhancing compound should be tested referring to protocol IS 1350 & IEC62321/111/54/CDV. The pH value of compound should be between 7 to 8.(i.e. basic in nature) The content of mercury (Hg) & Hexachromium should be below detection level. (i.e. Non Toxic Compound) connected to the earthing test point, fiber reinforced plastic pit not less than 300x300 mm with pit cover, including necessary returning, filling and removal of extra soil. Note: The earth resistance of eath electrode should be less than 1 Ohms. If the desired result of the resistance not obtained, the contractor shall improve the desired resistance with extra earth enhancing material by his own expense. Make: TRUE POWER, FAST ELECTRODE, ASHLOK

Supply and fixing Galvanised iron strip 32 x 6mm buried in ground as required complete all as specified and directed.

Taking down unserviceable LT cables of any size from trenches complete all as specified and directed. Note: Necessary excavation, earthwork shall be measured and paid separately.

Supply, fixing, laying, testing and commissioning of XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 300 sq. mm, 3.5 Core necessary lugs and cable glands as required including taking down existing unserviceable cable complete all as specified and directed. Note : Excavation & Earthwork, brick protection sand cushioning and shall be measured and paid separately.

Material and labour for finding fault of UG cable alluminium conductor armoured of any size, by fault locator complete all as specified and directed. Notes: (i) Excavation/earth work/returning filling/relaying of brick and relaying soft soil for cushioning deemedto be included in the rate quoted (ii) Cable for rectification will be measured and paid under relevant item. (ii) Joint kit required will be measured and paid separately under relevant item. (iv) The rate quoted is deemed to incldued for the hire charges of fault locator. Before starting the LT/HT wire, contractor shall ensure safety arrngement and proper shut down of feeders / mains to avoid any unwanted incidents.

Relaying of LT cables obtained from item No 48 complete all as specified and directed for the following sizes:- (a) LT XLPE 1100 volts grade, 300 Sq mm, 3.5 core

(b) All as per item No 50 above but for 240 Sq mm, 3.5 core

Supply and fixing LT straight through joint kit heat shrinkable 16 Sq mm x 4 Core all as specified and directed

Supply and fixing LT straight through joint kit heat shrinkable 25/50 Sq mm x 4 Core all as specified and directed

Supply and fixing LT end termination joint kit heat shrinkable 70/95/120 Sq mm x 3.5 Core all as specified and directed

Supply and fixing LT end termination joint kit heat shrinkable 150/185 Sq mm x 3.5 Core all as specified and directed

Supply and fixing LT end termination joint kit heat shrinkable 240/300 Sq mm x 3.5 Core all as specified and directed

Material and labour for repair of Outdoor/indoor LT panel parts welding, cutting, bending at site with MS sheet 2/3 mm thick, replacing with new hinges/ door locks after repairing, scrapping all panel, removing paint and scales, painting one coat of synthetic enamel paint of light grey colour over one coat of red oxide primer complete all as specified and directed.

Supply and fix Steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts and screws as specified type 410 SP-55 (11.00 metres long) complete all as specified and directed.

Material and labour for Cross arms, 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 or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and directed

Supply and fixing GI pole bracket single arm of suitable size up to 1.20 metere length fixed to pole all as specified and directed

Supply and fix indoor type end termination touch proof joint, heat shrinkable type for underground cable including joint kits and labour complete for making joints suitable for aluminium conductor cable XLPE, 3 core, 185 Sqmm, 22000 Volts complete all as specified and directed by Engineer-in-charge

Supply, installing, testing and commissioning, factory made and tested LT enclosure box to accommodate 02 Nos Changeover switch 800 Amps, indoor type, weather, vermin proof, cubical type, angle iron frame mounted, suitable for 415 volts, 3 phase 4 wire 50 Hz AC supply, the enclosure should be dust proof, IP 54 class protection and made out of 1.5 mm thick stainless steel grade 304 enclosure size not less than 1400mm x 1400mm x 700mm with suitable angle iron frame not less than 450mm height, hinged doors, front and rear opening and locking arrangement, screwed knobs for front & rear opening and duly powder coated on the out side and inside, cable glands and lugs for incoming and out going cables etc, duly supported with FRP insulators including multifunction meter, RYB LED phase indicatiors -02 Set, CTs, MCB complete with wiring suitable size PVC insulated heavy duty 1100 volts grade single core cable with copper conductor multistranded with cable end terminaion lugs complete all as specified and directed.

Supply and fixing Hot dip octogonal Galvanized Iron Pole length 7000 mm, top 70 mm and bottom 130 mm dia thickness of pole 3 mm, base plate 220 mm x 12 mm, with GI foundation nut, bolts and washers etc as required

Borole Electricals

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AN-ICON Engineering Technologies And Infrastructure Developments Pvt. Ltd

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