REPAIR/REPLACEMENT OF HT DISTRIBUTION SYSTEM, REPAIR TO TRANSFORMER AND ALLIED WORK AT FORT 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.

Supply and laying un-reinforced precast concrete cable cover factory made as per IS 5820-1970, class HV, type 1, size 300mmx180mmx40mmcomplete 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 complete all as specified and directed.

Supply, laying, 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.

Supply, laying, testing and commissioning in pipes/ ducts /poles/ trenches/ under floor/under road XLPE insulated steel strip or wire armoured cable screened PVC heavy duty with aluminium conductor,11000 Volt grade(earthed) of cross section area 120 Sqmm,3 core complete all as specified & 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 painting of 11m steel pole with cross arms, claim of any length and shape for HT overhead line with two coat of aluminium paint including preparation of the existing surface including marking pole numbers in a 15cm dia yellow circle & marking three black & two yellow bands width 30cm by fluoroscent paint, from bottom of pole above coping to 1.5 mtr height complete all as specified and directed.

M&L for 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 including preparation of the existing surface including marking pole numbers in a 15cm dia yellow circle & marking three black & two yellow bands width 30cm by fluoroscent pait, from bottom of pole above coping to 1.5mtr height, complete all as specified and directed.

M&L for painting of four 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 including preparation of the existing surface including marking pole numbers in a 15cm dia yellow circle & marting three black & two yellow bands width 30cm by fluoroscent paint, from bottom of pole above coping to 1.5mtr height, 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, outdoor type of 15 insulators with drop out fuse, mechanically operated, mounted of insulators and steel frame, with operating mechanism and operating rod of 25mm bore GI pipe worked from ground leel, with locking arrangements, for current rating 400 Amp at 11 KV, complete all as specified and directed.

Supply and filing in replacement of lightning arrestor suitable for 11 KV grade, non Iinear resistance type, complete with all fitting transmission class for outdoor discharge capacity 65KA complete al as specified and directed.

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 overhead line conductor of any size ACSR conductor four to six wire after opening from insulators,including replacement of all warnout jumper connections/nuts/bolts/washers and winding on insulator with proper size of binding wire upto permissible sag complete all as specified and directed.

Restringing tightening of GI earth continue conductor of size 4mm dia HT over head line after opening from insulators,including replacement of all warnout jumper connections/nuts/bolts/washers and winding on insulator with proper size of binding wire upto permissible sag complete all as specified and directed.

M&L for cutting triming and vending tree branches along HT/LT over head lines after arranging electrical shut down, including taking all precautions while working on lines contractr using own T&P by the contractor complete all as specified and directed, (For taking shut down toi excute the work min one skilled electrician and four mazdoor for 8 houres/day shall be depolyed on the work).

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 stringing ACSR conductor of required size for O/H lines,on HT poles,including binding wire,complete incl. dismantling existing conductor complete all as specified and directed.

M&L for stringing,galvanised steel wire 4mm dia for earth coductor,on HT poles including binding wire etc complete incl. dismantling existing GI wire complete all as specified and directed.

M&L for steel tubular swaged pole complete with mild steel base plate 30mm x30cm x6mm thick,finial taper plug,bolts,nuts,screws as per IS-2713 (Part-II) 1980 made out of mild steel tubing complete type 410SP-55 (11.0 m 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) Poviding 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.

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 230mm 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.

S&F cable jointing kit 11KV (Earthed) grade cable for outdoor type straight through heat shrink type joint complete with jointing material and accassories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed.

S&F in replacement cable jointing kit 11KV (Earthed) grade cable for indoor type end termination heat shrink type joint complete with jointing material and accassories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed.

Supply and fixing in replacement cable end termination cold shrinkable type 11KV grade suitable for sizes of XLPE cable 95 Sqmm 3 core outdoor type complete all as specified and directed. Make : Make : M Seal/ Reychem .

Supply and fixing in replacement cable end termination cold shrinkable type11 KV suitable for sizes XLPE cable 95 Sqmm 3 core outdoor type complete all as specified and directed. Make : M Seal/ Reychem

M&L for calibration of VCB checking (All connections and mechanism) cleaning servicing overhauling,testing complete of 3 phase 11 KV vaccum circuit breakers any make/type 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.

Disconnection & taking out old/defective current transformer (CT) from 11 KV VCB panel and supply ,fixing,intallation & testing of current tranformer ,indoor comprising of 3 Nos single phase resin cast CTs of 300-150/5+5 amps ratio ,PS class ,with suitable V A burden and accuracy suitable for protection & material incl making suitable arrangement for fixing in existing VCB panel and connection complete 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.

Taking out trolly from VCB , opening of trolly to clean the parts, cleaning of tank, dismentling of existing unserviceable vaccume interrupter and supply, installed testing of vacuume interrupter matching to existing one suitable for 11 KV 400 amps HT VCB complete all as specified and directed.

Dismantling of existing unserviceable bus bar spout after disconnecting all incoming and outgoing connections and S&F new bus bar spout of 11 KV 400 Amps VCB matching to existing one including all incoming and outgoing connection complete all as specified and directed.

Supply and Fix in replacement charging gear for crompton make trolly mechanism 11 KV VCB, complete all as specified & directed

Supply and Fix in replacement operating mechanism for breaker 11 KV VCB complete all as specified & directed

M&L for checking (All connections and mechanism) cleaning servicing overhauling,testing complete of 3 phase 11 KV Ring main unit any type/make 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 any type complete all as specified and directed. Make : Exide/Amron/Luminious

Opening dismantling the transformer of capacity 100 KVA to 250 (including 250 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 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. Testing of transformer after reassembly complete testing of transformer after repair incl painting to the transformer with super enammed paint complete all as specified anddirected. Note :- HT/LT coils and other connected items shall be measured & paid seperately.

All as per Sl item No. 36.00 here in before but for 315 KVA to 630 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 .

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

Supply & replacement of silica gel breather of transformer 11/0.433 KV of capacity 63-160KVA complete all as specified and directed.

Supply & replacement of silica gel breather of transformer 11/0.433 KV of capacity 250-315KVA complete all as specified and directed.

Supply & replacement of silica gel breather of transformer of transformer 11/.433 KV of capacity 415 -750 kVA complete all as specified and directed.

Supply & replacement of silica gel only in transformers etc of any capacity complete all as specified and directed.

Supply & replacement of LT bushing of transformer 11/0.433 KV of capacity 63-160KVA complete all as specified and directed.

Supply & replacement of HT bushing of transformer 11/0.433 KV of capacity 63-160KVA complete all as specified and directed.

Supply & replacement of LT bushing of transformer 11/0.433 KV of capacity 200-500KVA complete all as specified and directed.

Supply & replacement of HT bushing of transformer 11/0.433 KV of capacity 200-500KVA complete all as specified and directed.

Supply & replacement of HT/LT bush Insulator complete with rod as per existing material & size and nut suitable for indoor/outdoor type transformer 63 KVA complete all as specified and directed .

All as per Sl item 48.00 above here in before but 100 KVA to 250 KVA.

All as per srl item No 48.00 above here in before but 315 KVA to 600 KVA.

Supply & replacement of tap changer for adjusting the voltage with brass parts as per sample of existing for indoor/ outdoor type transformer 63 KVA all as specified and directed.

All as per item 51.00 above here in before but 100 KVA to 250 KVA.

All as per item 51.00 above here in before but 315 KVA to 600 KVA.

M&L for cleaning the area around all the sub station of electrical installation all by cutting/removing unwanted grass and grass bushes complete all as specified and directed. Note : Tools will be provided by Contractor.

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)

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Titco Electricals

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