REPAIR/ MAINTENANCE OF HT 33 KV SUB STATION, HT OVER HEAD DISTRIBUTION LINE AND TRANSFORMER, UNDER GROUND CABLE AND OTHER CONNECTED ITEMS AT RAMGARH CANTT UNDER GE RAMGARH

Amount

M & L for servicing and overhauling of rotating type isolator of 33 KV/ 800 Amp capacity for carry out repair like alignment of isolators, blades, arcing horns moving mechanism oiling and greasing to isolators gear box assembly tightening, renewal of nut and bolts and repair to isolator complete all as directed.

Servicing of existing 11 KV VCB panel and maintaining various components to ensure reliable operation and Key areas include the vacuum interrupter, operating mechanism, insulation, and protection relays. Regular maintenance, including cleaning, lubrication, and testing (installed in HT panel room : Panel Type: UNIVAC, Sr. No. 58270VG, 58276VG, 58277VG, 54128VG, 58274VG, 54121VG, 54129VG & Mfg Year 2014) as per OEM recommendation by Er./Technician from OEM's i.e M/s Crompton Greaves or by Er./Technician of Authorized dealer of OEM. Qty - 06 Nos 11KV VCB (02 no I/C & 03 no O/G & 01 no BC+BR) completed all as directed.

Testing for healthiness and carrying out calibration of Protection Relay (overcurrent + Earth Fault) Model - CGI 14N, CT, PT & Others relays , installed in 11KV HT panel (02 No.- I/C & 03 No.- O/G) of sub-station and submission of test report and calibration certificate as required. Details of HT Panel is : Panel Type : UNIVAC, Sr. No. 58270VG, 58276VG, 58277VG, 54128VG, 58274VG,Mfg Year 2014 complete all as directed. Note: Testing and callibrations to be done by OEM's recommended callibrated Kit, by their Er./Technician or by Er./Technician of Authorized dealer of OEM.

Servicing of existing 33 KV Outdoor VCB panel (installed in HT Yard : Panel Type: 36PV25A, Sr. No. 1748VP, 1749VP, ,Mfg Year 2003) as per OEM recommendation by Er./Technician from OEM's i.e M/s Crompton Greaves or by Er./Technician of Authorized dealer of OEM complete all as directed.

S&F in replacement of announciation facia 4/8 window suitable for 24 V DC complete all as directed.

S&F in replacement of UNSV 11 KV panel indicating lamp of different colours (AC/DC) fitting LED type suitable for 24 volt/30volt DC complete as directed.

S&F in replacement of 24 V DC Hooter suitable for 33 KV relay panel including taking down old one complete all as directed.

S&F in replacement of digital protection relays 3 OC (Over Current) + 1 EF (Earth Fault) relay for 11 KV VCB including taking down old one complete all as directed.

S&F in replacement of bus bar supporting insulator for 11 KV VCB panel complete all as directed.

S&F in replacement of HRC fuse of capacity 10A, 8A, 4A for 11 KV VCB panel including taking down old one complete all as directed.

S&F in replacement of HRC fuse holder for 11 KV VCB panel including taking down old one complete all as directed.

S&F in replacement of winding temperature meter mercury type alongwith its complete accessories including taking down old one complete all as directed.

S&F in replacement of oil temperature meter mercury type alongwith its complete accessories including taking down old one complete all as directed.

S&F in replacement of 'T' Clamp for droppers including taking down old one complete all as directed.

S&F in replacement of 'D' Clamps including taking down old one complete all as directed.

S&F Straight CT & PT bushing Clamps including taking down old one complete all as directed.

S&F in repair ACSR conductor of (Panther) having Al dia 30/3.00mm and steel dia 7/3.96 mm, laying properly on insulators at HT 33 KV grid station including dismantling and disconnecting of old ACSR conductor from existing steel structure complete all as directed.

Supply and fix in replacement of horn gap fuse set outdoor type of system voltage 33 KV, Lightning impulse withstand voltage 170 KV mounted on insulators and steel structure frame including taking down old unserviceable horn gap fuse set complete all as directed.

S & F in replacement of Pin type insulator, porcelain, vitreous 145 mm high and 225 mm dia ball and socket type, brown, assembly for tension with tension clamps for conductors, 33000 volts including taking down old insulators complete all as directed

S & F in replacement of single Disc type insulator, porcelain, vitreous with complete assembly such as tension rod with tension clamps for holding ACSR conductors, 33000 volts including taking down old insulators complete all as directed.

Supply and fix in replacement of post insulator with GI rod post for holding fixed/moving contact assembly including fixing arrangement suitable for Air break gang operated switch 800 Amps 33KV volts grade including taking down complete all as directed.

M&L for XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts Earthed grade cross sectional area 95 sq. mm 3 core including taking down old cable complete all as directed

M&L for XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 33000 volts Earthed grade cross sectional area 185 sq. mm 3 core including taking down old cable complete all as directed.

M&L for cable jointing kit for 33 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 185 sqmm to 240 sqmm including taking out old one complete all as directed.

M&L for cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as directed.

Cleaning and servicing of HT 33/11 KV Structure by greasing, cleaning, servicing of jumpers and tightening of nut & Bolts etc. and rejumpering wherever required and painting with two coats of aluminium paint over a coat of zinc chrome primer from main receiving point to distribution bus bar bay structures up to transformers inside MRS Ramgarh Cantt complete all as directed. Note:- Quoted rate is inclusive of all requirement accessories i.e. Nut & Bolts, Connecting rod type ACSR & Jumpering materials etc.

M&L for preparation of old painted steel surface of any description and applying one coat of synthetic enamel paint over a coat of red oxide primer of approved colour of 33KV sub stn fencing fixed on compound wall, including steel gates, steel shutters, etc intalled at 33 KV MRS complete all as directed.

M & L for restraining of HT over head line single ACSR conductor comprising of any size of aluminium conductor after opening binding wire from insulators and replace binding wire and achieved permissible sag limit of over head line conductor complete all as directed.

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

Supply and fixing in repair mild steel galvanised stay assembly set complete comprising of 16mm dia, 400mm long stay bow, 2150mm long stay rod 20mm dia, 300mm x 300mm x 6mm stay plate, thimble, loop insulator large size all as shown in electrical plate No.1 of MES Schedule part-I 2010 including dismantling and taking out old damaged stay complete all as directed. Note :- PCC , earth work and Insulators etc shall be measured and paid separately .

Supply and fixing steel tubular pole, swaged, complete with cast iron base plate, finial taper plug, bolts, nuts, washer and screws including painting with two coats of aluminium paint over one coat of red oxide primer on all exposed surfaces and tarring with black bituminous paints to portion embedded including numbering of poles with two coats of synthetic enamel paints, type 410-SP-55 ( 11 meter long) complete, Including disconnecting and taking out old damage pole any type complete all as directed . Note: - Earth work and PCC shall be measured and paid separately.

Excavation, in trenches n.exc 1.5 m wide & n.exc 1.5 m in depth for laying of cable/pipes and getting out in soft/loose soil, complete all as directed.

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

Returning, filling in, including spreading, leveling, watering & well ramming in layers n. exc 25 cm complete all as directed.

M&L Sand filling in cable trenches for cable protection with clean dry sand unwashed incl gently punning in a layer of 15 Cm and 8 Cm (total 23 CM) in thickness all across the laid portion of LT Cable in trenches complete all as directed. Note :- Punned thickness shall only be considered for payment

M&L for unreinforced precast concrete cable cover class HV, type 1, flat, size 300mmx l80mm x 40mm complete all as directed

Repair/maintenance of burnt/defective transformer of capacity 50 KVA to 500 KVA, 11 KV/433 volts 3 phase by disconnecting HT/LT cable and earthing connections from pole/floor mounted, taking from site carefully with the help of Crane and transportation of the same to workshop for repairs, draining out the transformer oil, dismantling complete and taking out the core assembly and removing burnt out windings, rewinding/dehydrating the core assembly, reassembling transformer after repair, replacement of complete gasket set, refilling the oil duly filtered / dehydrated, topping up with new oil, carrying out routine tests, including transportation back to site, testing and commissioning of the repaired transformer at site on full load after making cable and earthing connections complete all as directed. Note :- (i) New transformer oil and Dehydration of Transformer oil shall be measured and paid separately. (ii) The vender should submit the guarentee certificate for the work done after rapair.

Material & labour for rewinding of HT side winding with copper wire/strip of suitable size/gauge, fixing the coil in position in core assembly and making connection as per existing pattern including providing insulation, varnish etc complete all as directed.

Material & labour for rewinding of LT side winding with copper wire/strip of suitable size/gauge, fixing the coil in position in core assembly and making connection as per existing pattern including providing insulation, varnish etc complete all as directed.

M&L for servicing/comprehensive/routine maintenance and overhauling of transformer of capacity upto 125 KVA, 11 KV/433 Volt, 3 phase indoor/outdoor type of any make by disconnecting HT/LT cable/busbar and earting connections complete from pole/floor/transformer shed and providing electric power to user by alternative arrangement, cleaning of all components like tap changer, terminal bushes, bushing rod and outer insulated surface of transformer by vaccum cleaner and dry cloth including replacement of wornout gasket and rusted nuts & bolts and all connections must be checked and tightening after cleaning upto the satisfaction of Engr-in-Charge. Transformer must be meggered and connecting all connections and necessary testing complete with undermentioned scope of work :- (a) Cleaning of transformer complete (b) Testing of transformer for IR value (c) Checking and servicing/calibration of WTI for healthyness (d) Magnetic balance test (e) IR value should be checked before and after the work (f) Voltage ratio test should be at 440 Volt (g) DC logic test (h) Commissioning of transformer after completion of work Note : (i) Test result obtained should be recorded and submitted to the Engr-in-Charge (ii) All measuring eqpt and T&P required shall be arranged by the contractor (iii) Any items/activity not listed /covered here in above and required during/completing the above work will have to be arranged by the contractor himself. (iv) Defective parts, topping & including dehydration of transformer oil measured and paid under respective items. However labour charge included. (v) The rate quoted shall be deemed to all other any necessary items not covered here in above, disconnecting/testing and reconnection after completion of transformer maint work.

All as per item No. 40.00 above but transformer capacity from 160 KVA to 200 KVA.

All as per item No. 40.00 above but suitable for transformer capacity 250 KVA to 500 KVA.

Supply and pouring new transformer oil as per IS : 335 (1993) for transformers installed at various site as well as transformers under repair for topping up after dehydration to achieve the di electric strength 60 KV at 4 mm gap, complete all as directed. Note : Transformer oil shall be brought at site in sealed container from the original manufacturer and shall be opened in front of Engr-in-charge.

Material and Labour for heating, filtration and dehydration of transformer oil as per IS : 10028 (Part-III) 1981, Para 5.2 with dehydration/ filtration plant to achieve dielectric strength of 60KV at 4 mm air gap, complete all as directed. Note:- Any damages occurred to the transformer during the process of dehydration, shall be made good in serviceable condition by the contractor to the entire satisfaction of the Eng-in-charge at his own expenses and submit test report after dehydration.

Supply and fixing in replacement of silica gel breather assembly with vent piipe complete with fresh blue coloured, for transformer of capacity upto 200 KVA complete all as directed.

All as per item No. 45 above but suitable for transformer capacity 250 KVA to 500 KVA.

Supply and replacement of Silica gel only with fresh blue coloured complete all as directed.

Supply and fixing in replacement HT bush assembly brass complete with brass spindle, nuts, bolts, washers etc without bushing insulators suitable for transformer of capacity upto 125 KVA complete all as directed.

All as per item No. 48 above but transformer capacity from 160 KVA to 500 KVA.

Supply and fixing in replacement LT bush assembly brass complete with brass spindle, nuts, bolts, washers etc without bushing insulators suitable for transformer of capacity upto 125 KVA complete all as directed.

All as per item No. 50 above but transformer capacity from 125 KVA to 500 KVA.

Supply and fixing in replacement 11KV porcelain bushing insulators for HT side of out door/indoor type transformer complete all as directed..

Supply and fixing in replacement 11KV porcelain bushing insulators for LT side of out door/indoor type transformer complete all as directed..

Supply and fixing in replacement drain plug of suitable size, complete all as directed.

Supply and replacing of gun metal gate valve with iron wheel head, screwed both ends suitable for iron pipe upto 25mm bore (as per existing size), ISI Marked one side fitted with cast iron plug (Drain-out valve of transformer) complete all as directed.

Supply and fixing in replacement of rubberized cork sheet gasket 6mm thick for top cover and HT/LT bushes for transformer upto 500 KVA capacity including replacement of Nuts & Bolts where required complete all as directed.

Supply and fix Lightning arresters porcelien type complete with all fittings, transmission class, 11000 Volts discharge capacity 65 kilo amp complete all as directed.

M&L for Switch air break (porcelien type), gang operated triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 amps 11000 volts complete all as directed.

Supply and fixing in repair epoxy resin coat post insulator for air break switch for 11000 Volt grade, porcelain, brown colour insulators including taking down of old one complete all as directed.

Material and labour for earthing complete with galvanised steel earth plate electrode 600X600X6.0mm thick, buried directly in ground (earth pit not less than 2.25mtr deep below normal ground level) with top edge of the plate not less than 1.5mtr below normal ground level connected to GI earth strip of size 32x6 mm by means of bolts, nuts, check nuts and washers of galvanised iron complete earth pit of PCC using 20mm graded stone aggregate, 50mm thick earth pit cover of RCC 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, GI funnel, wire mesh and 20mm bore GI water pipe medium grade and 40mm bore light grade GI pipe for protection of earth strip from plate to transformer/LT panel board, common salt, charcoal dust complete all as directed all as shown in electrical plate No. 3 including testing on completion and making good the disturbed surfaces of floor sorrounding the earth pit without claiming extra cost complete all as directed . Note: (i) GI strip & GI pipe beyond 7.5Mtr length from earth electrode shall be measured and paid separately. (ii) Earth wire up to 7.5 meter connected to earth point shall be deemed to be included in unit rate.

M & L cement concrete for coping of HT poles on two pole/four pole structure using B1 1:2:4, 20 mm graded stone aggregate, smooth finishing without using extra cement complete all as directed.

Scraping, cleaning and preparation of surface of complete four pole on steel structure including cross arms installed at varioius location under GE Ramgarh for painting with the help of sand paper, wire brush and cotton cloth and applying externally with two coats of aluminium paint over a coat of red oxide primer and zebra strip type from ground level to 1.5mtr height of pole by black and red coloured strip with two coat of synthetic enamel paint over red oxide primer complete all as directed.

Scraping, cleaning and preparation of surface of complete two pole on steel structure including cross arms installed at varioius location under GE Ramgarh for painting with the help of sand paper, wire bursh and cotton cloth and applying externally with two coats of aluminium paint over a coat of red oxide primer and zebra strip type from ground level to 1.5mtr height of pole by black and red coloured strip with two coat of synthetic enamel paint over red oxide primer complete all as directed.

M&L for shifting of transformer of any capacity from four pole/two pole structure to desired location after the disconnection of existing electric connection from structure with the help of crane carefully for installation of the same in the plinth/two pole or four pole structure as per the direction of Engineer-in-Charge complete all as directed.

M&L Cable route indicator / Marker made up of PCC Block in cement mortar 1:3:6 (using 20 mm graded stone aggregrate) of size 900mm x 300mm x 100 mm thick with "DANGER / 11 KV CABLE / MES or DANGER / 11 KV HT JOINT / MES" embossing on cable route Indicator / Marker including painting as per approved colour and buried in ground 45 Cms including necessary earth work (as required / ordered at site) complete all as directed.

M&L Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as directed.

M&L Lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp Suitable for 33000 volts complete all as directed.

Raj Construction (BID ID -3445586)