SPECIAL REPAIR TO HT EQPT INSTALLED AT MRS AND SUB STATION UNDER GE (EAST) MATHURA

Amount

Supply and Fixing in replacement of lightning arresters ESE type,60 µs protection radius 107 meter at level-4, complete for mounting LA upto height 11 mtr with fixing accessories complete all as specified and directed. Note:- Pole/Structure for fixing LA is measured and paid separetaly in appropriate item of schedule.

Supply and Fixing in replacement of lightning arresters suitable for 33 KV complete with all fittings, station class, nominal discharge current 10 kilo amp and pressure release current 40 kA complete all as specified and directed.

Dismantling unserviceable cross arms, clamps etc and removing from site complete all as specified and directed.

M & L for Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending colt or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat of aluminium paint, one under coat and one finishing coat of paint complete all as specified and directed.

Material and labour for fixing air break gang operated switch outdoor type HT 11 KV triple pole mechanically operated mounted on HT insulators horizontal/ vertical type including MS galvanised steel frame with operating mechanism worked from ground level including operating rod of size 32 mm dia GI medium grade for current rating of cap 400 Amps 11000 volts with locking arrangement, MS clamps, bolts, nuts and washers etc including preparation of MS surface and applying two coats of aluminum paint over a coat of red oxide primer complete all as specified and directed.

Supply and Fixing drop Out Fuse unit,expulsion type for outdoor air break gang operated switch,single pole,mounted on and including insulators for 11 KV working pressure fixed to MS channels with nuts,bolts & washers etc,synthetic bounded fuse tube complete suitable for current carrying capacity upto 100 Amps complete all as specified and directed..

Supply, installing and testing of Lightning arresters expulsion type complete with all fittings, transmission class, nominal discharge current 10 Kilo Amp,Pressure release current 40 KA capacity suitable for 11 KV complete all as specified and directed.

Supply and fix and installation of outdoor gang operated air break switch suitable for 33 KV HT overhead line, fixed on MS channel structure consisting with 9 insulator, horizontal mounting including necessary nuts, bolts and washers with operating handle set, 200Amps rating complete all as specified and directed. Note: (i) MS Structure will be measured and paid separetely under relevent item of sch 'A'. (ii) All required equipments to perform Job will be arranged by contractor and all charges deemed to be quoted in rate.

Supply and fixing drop out fuse assy single pole 33 KV, 80 Amps rating with 6 Nos of post top insulators complete with expulsion fuse element mounted on pole structures including necessary nuts, bolts and washers complete all as specified and directed. Note: All required equipments to perform Job will be arranged by contractor and all charges deemed to be included in quoted rate of the item.

Supply and fix cable jointing kit for 33 KV grade (Earthed) cable for outdoor terminal heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of 185 sqmm, complete all as specified and directed. Note: T &P required for cable joints is on HT pole / structure / ground be arranged by contractor and the charges deemed to be included in quoted rates of the item.

Supply and fixing drop out fuse assy single pole 33 KV, 100 Amps rating complete with expulsion fuse element mounted on four/two pole structures with arrangement of 6 Nos of insulators including necessary nuts, bolts and washers complete all as specified and directed.

Disconnecting all electrical connection of 11 KV and taking out 11 KV HT RMU indoor/outdoor type, each way of RMU 630 Amp rating,SF6 breaker 5 way (Make:- C&S) from HT Panel after switching off electric supply. Removal of all the possible mechanical/electrical /control system for proper functioning e.g. spring charge system, triping system, indication system, including checking the quality of insulating material, complete & refixing with faulty part replaced blowing out dust and applying the proper lubrication/ greasing and reassembling the including motorised operation and connection to HT panel & filling of gas (if quantity is lesser than required) and make the RMU functional to the entire complete all as specified and directed. Note:- (i) SF6 gas charging will be measured separetely. (ii) Repairing/servicing shall be carried out through O.E.M of manufactures engineering/technician. (iii) Cost of spare parts will be measured and paid separetaly under relevent items of sch'A'. (iii) Job of repairing/servicing/calibrating/testing/setting of fault tripping and recommissioning has been considered for complete set of RMU as per location.

Supply only SF6 gas suitable for HT 11 KV RMU complete all as specified and directed

Supply only saver mechanism ON/OFF operating complete with spring ,fire stick,tripping coil system etc for RMU complete all as specified and directed.

Supply only in replacement of CT coil ring type, single phase, resin type, class 1.0&5P10/15 indoor type, suitable for Amp meter 50 /1-1 Amp complete all as specified and directed.

Supply only in replacement of PT rating 11000V/110 Volt, AC, 50 Hz, CL 1.0, with high voltage HRC fuse suitable for RMU complete all as specified and directed.

Supply only in replacement of sealed lead acid maintenance free battery 7 Ah,12 volt complete all as specified and directed.

Supply only in replacement of SMPS battery charger 24volt, input AC 170-270volt, ouput 24volt DC 0.5 Amp, suitable for charging 7 Ah 12 volt battery (02 Nos) suitable for battery charging complete all as specified and directed.

Supply only in replacement of 11 KV isolator bottle type fixed in RMU complete all as specified and directed.

Supply only in replacement of transformer boot fixed in RMU complete all as specified and directed.

Disconnecting & taking out 33KV HT SF6 Breaker of any description and any make of rating 400/630/1200Amp, dismantling / opening of the SF6 breaker for preventive maintenance / servicing / overhauling, taking out and removing unserviceable / defective parts including cleaning & servicing, greasing, oiling of the parts etc and renewal of unserviceable parts with new one, re-assembling the SF6 breaker after overhauling / servicing and its testing complete and renewal of following unserviceable spare parts of make as approved by GE complete all as specified and directed:- Notes :- (i) The quoted rate of contractor includes for fixing the serviceable parts in position and renewal of unserviceable parts with new parts. (ii) The new parts shall be measured and paid separately under appropriate item as supply only mentioned here-in-after (iii) Servicing to be carried out by service engineer of OEM.

Supply only SF6 gas suitable for 33KV HT SF6 complete for SF6 breaker complete all as specified and directed.

Supply only in replacement of Spring charge motor for SF6 breaker complete all as specified and directed.

Supply only contactors 24 volt DC suitable for SF6 breaker complete all as specified and directed.

Supply only auxiliary drum switch suitable for SF6 breaker complete all as specified and directed.

Supply and fixing after disconnected of electric supply to VCB and replace the unserviceable Over current and earth fault protection relay, Vx=24 -240 V AC/24-250 V DC,In=1A/5A(0,1In-40In), Ion=1 A/5A(0,01Ion-2Lon) complete all as specified and directed. Make:-Cat part No REL15002D Easergy P1 of Schneider or equivalent in make ABB / siemens. Note:- Fixing/Calibration of protection relay shall be carried out through O.E.M of maanufacturer's engineer/technician only . Note:- The cutting/welding work duly spray painted GI sheet of size 450 mm x 300 mm having thickness 3.15 mm to match the existing surface for fixing of relay deemed to be included in the quoted rates of item.

Dismantling of old unserviceble Aluminium conductor off sizes from existing over head lines complete all as specified and directed.

M&L for ACSR conductor dog size drawn over for over head lines fixed to insulators with binding wire after allowing specified sag complete all as specified and as directed.

Supply and Fixing PG (Parallel groove clamp) Clamp suitable for fixing with ACSR conductor as per site requirement complete all as specified and directed.

Earthing complete with galvanised steel earth plate electrode 60cmX60cmX6.0mm thick, buried directly in ground (earth pit not less than 2.25mtr deep below normal ground level) with top edge of the plate not than 1.5mtr below normal ground level connected to GI earth strip of size 32x6mm dia by means of bolts, nuts, check nuts and washers of galvanised iron complete earth pit of PCC M-10(Nominal mix) using 20mm graded stone aggregate, 50mm thick earth pit cover of RCC M-15 (Nominal mix) using 20mm graded stone aggregate with MS TMT reinforcement bar of 8mm dia @ 150mm centre to centre both ways, MS handle 10mm dia made to shape, PGI funnel, wire mesh and 20mm bore GI water pipe medium grade and 40mm bore medium grade GI pipe for protection of earth strip from plate to main switch board, common salt, charcoal dust including testing on completion complete all as specified and as directed all as shown in electrical plate No. 3 including testing on completion and making good the disturbed surfaces of wall floors etc without claiming extra cost complete all as specified and directed. Note: GI strip beyond 7.5 Mtr length from earth electrode shall be measured and paid separately).

M&L for copper earthing in replacement with copper earth plate electrode 90 cm X 60 cm X 5 mm buried directly in ground (earth pit not less than 3.0 mtr deep beliow ground level) with top edge of the plate not less than 2.25 mtrs below normal ground level,connecting to copper strip 32 X6 mm as earthing strip by means of bolts,nut check nut and washers protected with and including 40 mm dia medium grade GI pipe,necessary excavation and earth work,magnesium sulphate (80 Kg) ),charcoal (1 Qtl) and common salt (1 Qtl) filling,watering arrangement with 20 mm GI pipe medium grade including PCC pit with pre cast RCC (1:2:4) cover ,GI funnel with test point,testing (all as shown in electrical plate No. 3 and commissioning complete all as specified and directed. Note:- On testing ,after completion ,if the earth resistance below 1 Ohm is not obtained ,earthing will rejuvenated at no extra cost till the desired earth resistance is obtined.

M&L for Copper strip of size 32x6 mm as earth continuity conductor burried in ground or drawn in pipe or fixed to wall on saddle.Note:- Cost of insulating saddle for fixing of copper strip on wall/roof/floor etc is included in quotated rates complete all as specified and directed.

M&L for GI strip of size 32x6mm as earth continuity conductor burried in ground or drawn in pipe or fixed to wall on saddle complete all as specified and directed.

Surface excavation over area not exceeding 30 cm deep and getting out soil, gravale etc complete for laying earthing strip for HT equipments complete all as specified and directed.

Supply and laying broken stone (aggregate) of gauge 45 mm over installation complete all as specified and directed.

Supplying, installing, testing and commissioning OUT door type HT Bus bar chamber, suitable for 11KV,50 Hz AC Supply made out of MS sheet of 3.15mm thickness for outer sheet and CPRI approved, factory made in an approved factory having seven tank treatment process for powder coating with thickness not less than 60 microns provided with suitable gasket to make it dust / vermin proof double door type including locking arrangement bus bar chamber enclosed complete having legs 45 cms made out of 65X65X6 mm angle iron grouted on PCC foundation upto 15 Cm. PCC platform should be 45 Cm above the ground leve comprising the followingl:- (a) 60 X10 sqmm sqmm cross section area conductive electrolyte grade copper bus bar of required length with heat shrinkable sleeves,duly colour coded.(b) Bakelite insulators having short circuit with stand capacity of 26.3 kilo Amp-01 (Set of three) Note:- (i) The panel shall be front operated with cable entry from bottom with cable glands. The fault with standing capacity shall be 25 KA. Earth bus shall be part of the main feeder pillar. (ii) Cost for construction of plateform for panel of foundation PCC 1:4:8 type D-2 including plaster work,PCC copping 1:2:4 (40 mm thick stone aggerate), deemed to be included in the item rate and no extra payment will be made. (iii) Danger Sign Board of 11000 Volts should be painted on both side (Front & back) of HT panel with red colour.

Supply laying & testing XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminum conductor,11000V grade, of cross section area 95 sq mm 3 core including taking down old u/s cable complete all as specified and directed. Note : Excavation, returning and filling will be measured and paid separately under respective BOQ item.

Supply laying & testing XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminum conductor,11000V grade, of cross section area 120 sq mm 3 core including taking down old u/s cable complete all as specified and directed. Note : Excavation, returning and filling will be measured and paid separately under respective BOQ item.

Excavating in trenches not exceeding 1.5 mtr in depth and not exceeding 1.5 mtr wide for laying of cables and getting out in soft/loose soil complete all as specified and directed.

M&L for sand cushioning to under ground cable in trenches in layers of 8 cm deep before laying the cable and 15 cm deep after laying and stretching the cable complete all as specified and directed Note:- Measurement shall be taken after gentling puning of sand.

Supply and laying PCC cable cover class HV type 1 flat size 300 mmx180mmx40mm complete all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming excavated soil in layers not exceeding 25 cm thick each , filling back in trenches after cables have been laid and tested complete all as specified and directed.

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

Supply and fixing in replacement Lead acid battery 12volt 150AH complete all as specified and directed.

Supply and fixing in replacement of battery charge suitable for charging 24 Volt Lead acid battery 12volt 150AH complete all as specified and directed.

Supply and erecting steel tubular swaged pole with cast iron base plate, finial taper plug, bolts, nuts & washers as per IS 2713 (Part-II) 1980 made out of mild steel tubing, type 410 SP-55 (11.00 metre long) including marking pole No on pole including painting of poles with one coat of red oxide primer and two coat of aluminum paint (one coat before fixing and one coat of aluminum paint after fixing) over exposed surface and two coats of bituminous paint over embedded portion & the portion above coping shall be painted in alternative bands of black and yellow colour starting with white colour (each band of 30cm wide) by two coats of super enameled paint upto 1.5m height complete all as specified and directed. Note : Earth work and PCC in foundation shall be measured separately.

Excavating in trenches, n exc 1.5 m wide and more than 1.5 m n exc 3.0 m in depth; for foundation, etc. Or for shafts, wells, cesspits, manholes, pier holes, etc. N exc 10 sq m on plan and n exc 3.0 m in depth and getting out complete all as specified and directed

M&L for PCC 1:4:8 type D-2 using 40mm graded stone aggregate as in foundation filling and mass concrete complete all as specified and directed.

M&L for PCC 1:3:6 type C-2 using 40mm graded stone aggregate as in foundation filling and mass concretecomplete all as specified and directed.

M&L for PCC 1:2:4 type B1 using 20mm graded stone aggregate as in coping complete all as specified and directed.

M&L for Cable route indicator showing "HT Cable" and route/joint of cable with arrow made of PCC 1X2X4 type B1 duly rendered with plaster 10 mm thick of size 40 X50X20cm fixed and erected on PCC plateform of sixe 40X40X10 CM goruted in grounts duly painted on both sides with HT Cable Route complete all as specified and directed.

Supply and fix cable jointing kit for 11 KV grade (Earthed) cable for outdoor terminal heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of 95 sq mm,outdoor complete all as specified and directed.

Supply and fix cable jointing kit for 11 KV grade (Earthed) cable for outdoor terminal heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of 120 sq mm,outdoor complete all as specified and directed.

Supply and laying GI Pipe light grade, size 100mm with all fitting and fixed complete to walls/poles/underpass and ceilings or laid in floors complete all as specified and directed.

M&L for boring of holes under road, Pavement, Hard standing or as directed by trenchless technology using ultra sounding technique and necessary machine for crossing of XLPE cable as per standard technical specification with and including HDPE pipe of dia not less than 150mm suitable for 0.4Mpa working pressure and vertical depth n.exc. 2 mtr and horizontal dia n.exc. 200mm and including getting out, removing excavated surplus soil to a distance not exceeding 50 mtr and depositing where as directed at a level n.exc 1.5m above starting point complete all as specified and directed.

Supply and laying electrical insulation rubber mating as per ISI and size 1mx2mx50mm thick suitable for 11 KV equipments complete all as specified and directed. Make :- JAIPURIA Brothers/Jyoti or equivalent make given as per Appendix 'B'.

Supply and laying electrical insulation rubber mating as per ISI and size 1mx2mx25mm thick complete all as specified and directed. Make :- JAIPURIA Brothers/Jyoti or equivalent make given as per Appendix 'B'.

Vijay Electricals

Ms Kamal Kant Agarwal

SABHYATA ELECTRICAL AND MECHANICAL