REPAIR/ MAINT TO HT DISTRIBUTION SYSTEM/ TRANSFORMER AND OTHER ALLIED WORKS AT VARANASI CANTT UNDER GE (EAST) ALLAHABAD.

Amount

Excavation in trenches/ pits in any type of soil (soft/loose/ hard/ dense) not exceeding 1.5 m wide and not exceeding 1.5 m deep and getting out complete all as specified and directed.

Returning, filling in with the earth obtained from item No.01 here-in-before including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and directed.

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

Supplying and laying un-reinforced precast concrete cable cover,class HV, type 1 flat with peak, size 300mm x 180mm x 40mm complete all as specified and directed.

Supplying and laying un-reinforced precast concrete cable cover,class LV, type 1 flat with peak,size 250mm x 150mm x 40mm complete all as specified and directed.

M&L for clean and dry sand (unwashed) in trenches around the cable for cushioning complete all as specified & directed. Note :- Sand cushioning 8cm before laying the cable and 15cm after laying the cable & punned down 18cm,and punned thickness shall be measured and paid.

Supply, laying in repair testing and commissioning in pipes/ ducts/ poles/trenches/under floor/under road XLPE insulated cable screened PVC heavy duty with aluminium conductor, 11000 Volt grade (earthed) of cross section area 95 Sqmm,3 core complete all as specified & directed.

M&L for laying in trenches/on pole/duct XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 240 sq. mm 3.5 core complete all as specified and directed.

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

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

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

Supply and laying 80mm bore GI pipe 'light grade' in trenches,under floors,roads,along poles for protection of cables,including sealing ends complete all as specified & directed.(MS Clamps to be measured and paid under appropriate item)

M&L for horozontal bore hole under road/PCC/hard standing by trenchless technology for passing/ inserting GI pipe upto 100mm dia for crossing UG cable upto the depth of 1 mtr below the ground level all as specified and directed.

M&L for maintenance of 4 pole/2 pole structure and taking out all old connection/jumpers and fixing fresh jumpers with proper lugs nut/bolts and tightening all incoming and outgoing connection, properly winging with conductor including servicing/greasing of existing GODs and testing for smooth operation and proper alingment of contacts including replacement of any part of fixed/moving contact complete all as specified and directed.

M&L painting of two pole structure of 11m steel poles with cross arms, bracings, clamps of any length and shape for HT overhead line with two coat of aluminum paint Make-Nerolac/Asian Paint including preparation of the existing surface, cleaning with emery paper and cloth and including marking pole numbers in a 15cm dia yellow circle & marking three black & two yellow bands width 30cm by fluorenscent paint, from bottom of pole above coping to 1.5mtr heigth, complete all as specified and directed.

M&L painting of 4 pole structure complete of 11m steel poles with cross arms, bracings, clamps of any length and shape for HT overhead line with two coat of aluminum paint Make-Nerolac/Asian Paint including preparation of the existing surface rubbing with sandpaper including marking pole numbers in a 15cm dia yellow circle & marking three black & two yellow bands width 30cm by fluorenscent paint, from bottom of pole above coping to 1.5mtr heigth, complete all as specified and directed.

Taking down carefully switch air break, gang operated , triple pole complete and supply, installing, connection and commissioning switch air break gang operated, triple pole with drop out fuse, outdoor type of 15 insulators, mechanically operated, mounted of insulators and steel frame, with operating mechanism and operating rod of 25mm bore GI pipe worked from ground level, with locking arrangements, for current rating 400 Amp at 11 KV, complete all as specivied and directed.

Supply and fixing in replacement of lightening arrestor suitable for 11 KV grade, non linear resistance type, complete with all fitting transmission class for outdoor discharge capacity 65KA complete al as specified and directed of Make- Alstrom, Jaipuriya brothers, Atlas or equivalent.

Supply and replacement disc type insulator,porcelain, vitreous,white brown or green,145 mm high and 225mm dia ball and socket type single disc assembly for tension with tension clamps for conductors,working pressure 11000 volts grade complete all as specified and directed. Make - Southern insulator/Reychem/Birla 3M/Jaipuria

Supply and replacement pin type insulator,porcelain,vitreous,white brown or green insulator including one galvanised mild steel spindle,two galvanised iron washers and one galvanised iron nut,150 mm height and 150mm dia suitable for working pressure 11000 volts grade complete all as specified and directed. Make - Southern insulator/Reychem/Birla 3M/Jaipuria

Restringing tightening of HT/LT overhead line conductor of any size ACSR conductor after opening from insulators, including replacement of all wornout jumper connections/nuts/bolts/ washers and winding on insulator with proper size of binding wire upto permissible sag complete all as specified and directed. Note - Each span consisits 3 to 6 conductor and shall be measured as one single span.

M&L for cutting trimming and vendring tree branches along HT/LT over head lines upto the clear distance not less than 2 mtr from the conductors after arranging electrical shut down, including taking all precautions while working on electric lines using own T&P by the contractor complete and removing all trimmed branches from site and deposting where directed by Engr-in-Charge. (For taking shut down to execute the work, the contractor shall employee min one skilled electrician and five labour for 8 hours/day ).

M&L for cross arms,bracing,supports,clamps and back plate,fabricated from structural electrical shut down,including nuts,bolts,washers,welding,bending cold or hot,drilling holes for bolts,in any shape or size including two coats synthetic enamel paint over a coat of red oxide primer complete all as directed. Dismantling and taking out damaged/ruste cross arms,bracings,supports,clamps and back plates from existing poles/dismantled poles/pole structures complete all as specified and directed.

M&L for hiring Fault locator Megger machine,Locating fault in HT/LT UG cable of any size complete all as specified and directed. Note : (i) All the instruments,and T&P required for the above job shall be arranged by the contractor at site and cost of the deemed to be included in the above rates. (ii) Contractor should be provide two labours for Joining and dismentling of cable at both the end and excavation above the faulty cable if required

M&L danger notice plate for HT 25 x20cm x 1.5mm thick mild steel sheet,vitreous enameled white with letters,figures and conventional skull and bones in signal red colour and fixed with MS clamps,bolts and nuts complete all as specified and directed.

M&L for Calibration of VCB checking (All connections and mechanism) cleaning servicing overhauling, testing complete of 3 phase 11 KV vaccum circuit breakers of make Crompton Greaves/ABB defective part will be paid seperately under respective items as mentioned below:- (a) Taking out incoming and outgoing HT 11 KV 3 core cables from the electric system and checking CTs 03 Nos of each VCB for insulation and saturation calibrating with the help of primary injection & testing kit for primary triping system in presence of Engr-in-Charge/rep ofEngr-in-Charge and reconnecting the incoming and outgoing HT cables ,complete all as specified and directed. (b) Inspecting, servicing and testing all connections of control wiring availability of proper D.C. supply,incoming and outgoing connections and tightening them,cleaning the contacts and terminal with CTC solution and using the blower for dusting incl replacement of faulty control fuses,indication lamp & testing for satisfactory operation raising and lowering mechanism in presense of Engr-in-Charge, complete all as specified and directed.

(c) Taking out IDMT over current relay 01 Nos and earth fault relay 01 No from the 11KV VCB (2 Nos In each) and calibrating the relays with the help of secondary injection kit and proper setting of relays and refixing back in existing position testing of proper tripping system in presence of Engr-in-Charge complete all as specified and directed. (d) Taking out incoming and outgoing HT 11 KV 3 core cables from the electric system and checking PT 11 KV/110V of each VCB for insulation and accuracy and calibrating the same in presence of Engr-in-Charge/rep of Engr-in-Charge and reconnecting the incoming and outgoing HT cables complete all as specified and directed. (e) Taking out trolly mechanism of VCB 11 KV for checking all mechanical parts,dismantling and replacing defective parts,checking and readjustment of all moving parts,springs,bearings,greasing all moving parts complete all as specified and directed. Note : (i) All the instruments,primary and secondary injection kit and T&P required for the above job shall be arranged by the contractor at site and cost of the deemed to be included in the above rates. (ii) All the test record shall be mentained and signed by the testing engineer,contractor and Engineer-in-Charge . (iii) The above work shall be performed by HT expert/ Engineer.

Supply and replacement of shunt trip coil assembly 24V DC for 11 HT VCB of Make Crompton Greaves complete all as specified and directed.

Supply and repalcement of Closing coil assembly 24V DC for 11 HT VCB of Make Crompton Greaves complete all as specified and directed.

Supply and repalcement of power pack unit 24 V DC for 11 HT VCB of Make Crompton Greaves complete all as specified and directed.

S&F in replacement trip shaft leaver for closing coil for 11 KV HT VCB of Make Crompton and Greaves complete all as specified and directed.

S&F gear box set of VCB 11 KV as per existing size and make including taking down old/unsv item complete all as specified. Make- Crompton & Greaves,Areva or equivalent.

Supply and Fix in replacement teflon hexagonal interlocking bush to complete interlocking with strip complete all as specified & directed as per sample

S&F vaccume interuptor bottle of VCB 11 KV as per existing size and make including taking down old/unsv item complete all as specified. Make- Crompton & Greaves, Areva or equivalent

Supply and Fix in replacement Z type lever of OFF push button complete all as specified & directed

Supply and Fix in replacement Z type lever of ON push button complete all as specified & directed

Supply and repalcement of Tulip contact high condutive brass with silver coating suitable for 11 KV with PVC sleeve for 11 KV VCB as per existing size and make including taking down old/unsv item complete all as specified. Make - Crompton & Greaves,Areva or equivalent

Supply and Fix in replacement trip coil only Y1 control volt 30 VDC complete all as specified & directed

Supply and Fix in replacement close coil only Y2 control volt 30 VDC complete all as specified & directed

M&L for replacing of phase indicator light LED type for panel in three colours ( R,Y,B) complete all as specified and directed.

S&F in replacement numerical non directional over current and earth fault protection relays : 4 element normal inverse with definite minimum time non directional microprocessor based over current and earth fault relay.3 Nos over current elements and 1 No earth fault element complete all as specified and directed.

S&F LED type indicating lamp with built in series resistor holder and colured lens 30/110V DC for breaker 'ON' & 'Off, trip circuit, healthy, spring charged and auto trip indication complete all as specified and directed.

Supply and fix in replacement heater strip type of cap 60W 230V AC installed in cubical box 11 KV VCB, operated with controlling tumbles and thermostat complete all as specified and directed.

M&L for secodary and small wiring with PVC insulated multistandard copper conductor suitable for 230 Volts heat resistant switch board wires of 4 sqmm for main AC and DC bus wire including metering, relaying circuits connected to CT and 2.5 Sqmm wire for PT circuit for metering and relaying control visualand audible alarm and signaling circuits of 11 KV HT VCB for the equipment and devices located on/ or within board and completed in all respect so as to ensure proper function of control (i.e. protection, metering, indicating ect) circuit including provn of fuses to enable individual circuit to be isolated from bus wires without disturbing the other circuits.

Disconnection of all electric connection & taking down old 3 phase horizontal draw out type defective unserviceable PT 11 KV and supply and fixing ,installation and testing of potential transformer (PT) rasin cast/dry type and draw out type 3 Phase , 11 KV/3V/110//3V volts with 100 V A burden per phase , accuracy class 1.0 complete with HT & LT HRC fuses for primary and secondary in vaccume circuit breaker (VCB) , including sealing PT while at racked in position complete AS PER is 3156-1992 all as specified and directed. Note:- (i) All the instruments and T & P required for the above jobs shall be arranged by the contractor at site and cost of the deemed to be included in the above rates. (ii) The all above checking ,inspection ,installation and testing work shall be performed by auth HT expert engineer.

Suply only waterproof ,Antistatic,Heat Resistant Scotch Rubber splicing Tape 23 of Make-Southern insulator/Reychem/Birla 3M/Jaipuria.

M&L for replacement of multi function panel meter of 11 KV VCB with new digital LCD display meter make : secure,model Premier 100 with accuracy 0.5 suitable for direct reading to measure 3 phase current,voltage,frequency,PF,KWH KVA phase wise and total with provision of RS232/RS485 alongwith optical metering complete and calibrated according to the existing CT and PT ratio of the unit with connection and testing complete all as specified and directed.

M&L for dismantling all connection of 11 KV 630 Amp VCB trolly and taking out unserviceable base body frame and supply and fix contact base body frame (as per sample of crompton greaves VCB) made out of highly insulated material suitable for 11 KV and refixing of all contacts including interceptor vaccume tube and testing after installation complete all as specified and directed by Engr-in-Charge

M&L for checking (All connections and mechanism) cleaning servicing overhauling,testing complete of 3 phase 11 KV Ring main unit make ABB outdoor type respectively as mentioned below :- (a) Taking out incoming and outgoing HT 11 KV 3 core cables from the electric system and checking CTs 03 Nos of each breaker for insulation and saturation calibrating with the help of primary injection & testing kit for primary triping system in presence of Engr-in-Charge and reconnecting the incoming and outgoing HT cables complete of panels ,complete all as specified and directed.

(b) Inspecting, servicing and testing all mechanical & electrical parts and the connections of control wiring availability of proper DC supply and AC supply,incoming and outgoing connections and tightening them,cleaning the contacts and terminal with CTC solution and using the blower for dusting testing it for satisfactory operation raising and lowering mechanism in presense of Engr-in-Charge complete all as specified and directed. (c) Taking out existing over current relay 02 Nos and earth fault relay 01 No from the 11KV breaker B (3 Nos In each) and calibrating the relays with the help of secondary injection kit and proper setting of relays and refixing back in existing position testing of proper tripping system in presence of Engr-in-Charge complete all as specified and directed. Note : (i) All the instruments,primary and secondary injection kit and T&P required for the above job shall be arranged by the contractor at site and cost of the deemed to be included in the above rates. (ii) All the test record shall be mentioned and signed by the testing engineer and contractor and Engineer-in-Charge. (iii) The above work shall be performed by HT expert/ Engineer.

Supply and fix in replacement only Battery,maintenance free,12 V,60 AH including taking down unserviceable battery of RMU any type complete all as specified and directed. Make : Exide/Amron/Luminious

M&L for steel tubular swaged pole complete with mild steel base plate 30 x30cm x6mm thick,finial taper plug,bolts,nuts,screws as per IS-2713 (Part-II) 1980 made out of mild steel tubing complete type 410 SP-55 (11 metres long) including painting with two coats of aluminium paint over one coat of red oxide primer on exposed portion and with two coats of bituminous paint on embedded portion in concrete including marking number on pole including dismantling existing pole and the following :- (a) Excavation in soft/loose soil including returning filling and removal of surplus soil to a distance not exceeding 50m. (b) PCC 1:3:6 type C-2 using 40mm graded stone aggregate as in foundation of size 600x600x1800mm. (c) Providing PCC 1:3:6 type C-2(using aggregate) for plinth block/collar above GL,300mm high and 450mm dia complete all as specified and directed.

M&L for cleaning of surrounding area of installation such as treaming of tree branches,removing of grass and taking out bushes including roots and spraying with spray pump herbicides Pendimethalin/Alachlor @ 3 ltr in 400 ltrs of water per hectare for pre emergence of herbicides complete all as specified and directed. Note : Tools and safety kit shall be provided by Contractor and rates are deemed to be included in unit quoted rates.

Supply and loose filling spreading, leveling hard core quarry scrubbled roughly dressed aggregate broken to gauge 40 mm graded of granite,trap and basalt in 11 KV Grid sub station complete all as specified and directed.

M&L for earthing complete with galvanised steel earth plate electrode 600x600x6 mm thick buried directly in ground (earth pit not less than 2.25m deep below GL with top edge of plate not less than 1.50 m below normal ground level) connected to galavanised earth lead strip 25mm x 4 mm (7.5m) as means of bolts, nuts, check nuts and washer besides brazing at all joints as shown on drawings and including excavation, earth work, GI pipe (ISImark) light grade 40mm bore for protection of GI strip from earth electrode to and including the earth test point, supplying and laying charcoal dust, common salt, PCC 1:3:6, type C-1(using 20 mm graded crushed stone aggregate ) chamber and mild steel angle iron frame 40 x 40 x 3 mm and 40 mm thick pre-cast RCC cover 1:2:4 , type B-1(using 20 mm graded crushed stone aggregate ) reinforced with 8 mm dia TMT bars @ 75 mm C/C both ways with mild steel handle 12 mm dia, PGI funnel and wire mesh, 20 mm dia GI pipe light grade(ISI marked) for watering all as shown in electrical plate No 3 of SSR Part-I and connected to earth test point including testing & taking down of old/ ineffective earthing complete all as specified and directed. (Note:- The rates quoted shall also deemed to include the cost of Earth test point and earth wire and protection pipe upto 7.5 meter beyond the earth plates electrode)

M&L for earthing complete with galvanised steel earth plate electrode 600x600x6 mm thick buried directly in ground (earth pit not less than 2.25m deep below GL with top edge of plate not less than 1.50 m below normal ground level) connected to galavanised earth wire 4.00 mm dia as means of bolts, nuts, check nuts and washer besides brazing at all joints as shown on drawings and including excavation, earth work, GI pipe (ISImark) light grade 20mm bore for protection of GI wire from earth electrode to and including the earth test point, supplying and laying charcoal dust, common salt, PCC 1:3:6, type C-1 (using 20 mm graded crushed stone aggregate ) chamber and mild steel angle iron frame 40 x 40 x 3 mm and 40 mm thick pre-cast RCC cover 1:2:4 , type B-1(using 20 mm graded crushed stone aggregate ) reinforced with 8 mm dia TMT bars @ 75 mm C/C both ways with mild steel handle 12 mm dia, PGI funnel and wire mesh, 20 mm dia GI pipe light grade(ISI marked) for watering all as shown in electrical plate No 3 of SSR Part-I and connected to earth test point including testing & taking down of old/ ineffective earthing complete all as specified and directed. (Note:- The rates quoted shall also deemed to include the cost of Earth test point and earth wire and protection pipe upto 7.5 meter beyond the earth plates electrode)

Taking down the defective unserviceable transformer from existing site from pole/Sub Stn with the help of man power & chain pully block or by crane etc including disconnecting all electrical and mechanical connections from the site and carrying to workshop for repair and replacement of old burnt u/s item including transporting of capacity 63 KVA to 500 KVA.

Opening Dismantling the transformer of capacity 63 KVA to 100 (including 100 KVA capacity of trs ) KVA by lifting the top cover taking out the HT/LT core and draining out the transformer oil in barral including cleaning the transformer chamber (body) inside and out side throughly with emery paper and cloth than checked the winding and other worn-out parts such as HT/LT coils silicor stamping and other connected items as Tap-changer, breather assembly etc and replacement of HT and LT coil winding with DPC enamelled copper/Aluminium wire/ strip of edequate size guage and number of turn complete and connected to existing serviceable strip by jointing with soldring and re insulated of cotton tape over strip including using insulating material like varnish to limb coil fire proof type and sleeves etc by drying and baking of Insulating material in heating chamber in adequate temprature Reassenbling the transformer LT/HT connection with help of soldering of transformer after reassembly complete at wkshop and testing as per IS-2026 and incl painting to the transformer with super enammed paint all as specified and directed. Note :- HT/LT coils and other connected items shall be measured & paid seperately.

All as per srl item No. 57.00 here in before but 125 KVA to 250 KVA.

All as per srl item No. 57.00 here in before but 300 KVA to 500 KVA.

M&L for winding HT coil with DPC or enamelled copper wire/ of existing size & guage winding wire for winding the transformer coil incl insulating material complete all as specified and directed for 300 to 500 KVA Transformer.

HT coil winding with DPC or enamelled aluminium strip / of existing size & guage winding wire for winding the transformer coil HT coils complete all as specified and directed for upto 250 KVA Transformer.

LT coil winding with DPC or enamelled copper wire strip of existing size & guage winding for winding the transformer coil LT coil complete all as specified and directed for 300 to 500 KVA Transformer.

LT coil winding with DPC or enamelled aluminium strip wire of existing size & guage winding for winding the transformer coil LT coil complete all as specified and directed for upto 250 KVA Transformer.

M&L for varnishing, heating and ovening of transformer coil in phased manner upto required temperature for continuous duration of 24 hrs all as required and directed by Engineer-in-charge.

Supply & replacement of HV bush Insulator complete with rod as per existing material & size and nut suitable for indoor/outdoor type transformer 50 KVA To 100 KVA complete all as specified and directed. .

All as per srl item No.65.00 here in before but 125 KVA to 250 KVA.

All as per srl item No. 65.00 here in before but 300 KVA to 500 KVA.

Supply & replacement of LT bushing with leather gasket Insulator complete with brass rod as per existing material & size and nut suitable for indoor/outdoor type transformer 50 KVA To 100 KVA makes witch gear Ltd.

All as per srl item No. 68.00 here in before but 125 KVA to 250 KVA.

All as per srl item No. 68.00 here in before but 300 KVA to 500 KVA.

Supply & replacement of tap changer for adjusting the voltage with brass parts as per sample of existing for indoor/ outdoor type transformer 50 KVA To 100 KVA all as specified and directed.

All as per srl item No. 71.00 here in before but 125 KVA to 250 KVA.

All as per srl item No. 71.00 here in before but 300 KVA to 500 KVA.

M&L for filteration and centrifuging of transformer oil complete all as specified and directed. Note:- Centrifuging machine to be arranged by contractor. BDV of test to be noted before and after centrifuging.Centrifuging and cleaning will be carried on until BDV of 50KV reached. Heaters not less than 5 KW should be used. Centrifuging will be done while running of transformer.

M&L for transformer oil for top up in transformer. Note : Sealed container only will be brought at site with minimum BDV 45 KV complete all as specified and directed. Make : Transol,Power, Sawita

Supply & Replacement of silica gel breather assembly including silica gel of transformer 11/0.433 KV of capacity 63-200KVA complete all as specified and directed.

Supply & Replacement of silica gel breather assembly including silica gel of transformer 11/0.433 KV of capacity 250-500KVA complete all as specified and directed.

S&F stay assembly (in replacement) consisting of galvanised stay wire 7/10 SWG stay bow of 14 mm dia, stay rod 20mm dia 180cm long with loop insulators stay plate 230 x 230mm x6mm with PCC foundation 1:3:6 type C2 complete with stay clamps,bolts and nuts all as specified and directed by Engr-in-Charge including the following :- (a) Excavation and earth work for stay foundation in soft/loose soil,disposal of surplus soil to a distance n. exc. 50 metres & depositing where directed at a level n. exc. 1.5mtr from the starting point as directed. (b) PCC 1:3:6,type C-2(using 40mm graded stone aggregate) as in embedding blocks all as specified.

M&L for preparation and painting of transformer of any cap/any size with two coats of synthetic enamel paint Make-Nerolac/Asian Paint with spray painting over a coat of red oxide primer including filling putty in cavaties at site complete all as specified and directed by Engineer -in-Charge.

M&L for Cement concrete in foundations,filling and mass concrete type B-2 (1:2:4) using 40 mm graded stone aggregate complete all as specified and directed

M&L for Providing, cement concrete in coping, rounded or chamfered on edges type B1 (1:2:4) using 20 mm graded stone aggregate complete all as specified and directed

M&L for rendring cement plaster 10mm thick on fair faces of brick work or concrete surfaces using 1:4 cement mortar complete all as specified and directed

S&F in repair/replacement of Standard duty cylindrical capacitor of standard IEC-60289, 415 volt. 50 Hz, 20 KVAR complete with all accessaries. Make : ABB/Apcos/L&T/Havells)

S&F in repair/replacement of Standard duty cylindrical capacitor 415 volt. 50 Hz, 10 KVAR complete with all accessaries complete all as specified and directed (Make :ABB/Apcos/L&T/Havells)

M/S UJJAWAL ENTERPRISES

Ajanta Associates