REPAIR/ REPLACEMENT OF OCB/VCB, OH LINE, HT POLE, HT CABLE, AB SWITCH, ACSR CONDUCTOR AND OTHER CONNECTED WORKS AT R V COLONY UNDER GE (I) R and D KANPUR

Amount

Excavation in trenches not exceeding 1.50m wide and not exceeding 1.5m deep in soft/loose soil and getting for taking out unserviceable worn out cable and laying new cable complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick after laying the cable in loose/soft soil complete all as specified and directed.

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

M&L for sand filling with clean dry fine sand unwashed including gently punning around cables in trenches for cable protection complete all as specified and directed.

Supply and laying un-reinforced precast concrete cable cover, type-1, flat, size 300mm x 180mm x 40mm over the cable after spreading the sand for cable protection complete all as specified and directed.

M&L for PCC 1:4:8 type D-2 (using 40mm graded crushed stone aggregate) including necessary form work for foundation filling and mass concrete complete all as specified and directed.

M&L for PCC 1:3:6 type C-2 (using 40mm graded crushed stone aggregate) including necessary form work for foundation filling and mass concrete complete all as specified and directed.

M&L for PCC 1:2:4 type B-2 (using 40mm graded crushed stone aggregate) including necessary form work for foundation filling and mass concrete complete all as specified and directed.

Cutting and chassing or boring as required in hard standing,PCC, Road exceeding 10 cm girth for concealed to GI tubing and making good to disturbed surface with cement mortar 1:3 to match with existing surfaces including facing/finishing where as required and as directed by GE(I).

Supply & laying in replacement GI tubing of 100 mm bore dia , light grade conforming to IS 1239- Part-I and ISI marked in trenches, across the road, CI Pipe line, culvert etc of required length for cable protection complete all as specified and directed.

Taking down/out existing worn out/old HT UG cable of XLPE / PILCA insulated, armoured, aluminium conductor cable any size in pieces from pole, trenches culvert, pipe making loop for transportation and removal from site after taking proper shut down from MES competent staff complete all as directed.

Supply laying jointing and testing HT XLPE Insulated , Screened PVC bedded ,galvanised steel strip or wire armoured electric power cable(heavy duty) with aluminum conductor 11000 volt (E) grade cross sectional area 95 sqmm 3 core confirming to IS-7098 (Part I ) of 1988 laid in trenches/Duct on pole witth FI CLAMP, Nut bolt ,Aluninum Lugs complete all as specified and directed at site. Make : Havells/Grandlay/polycab Note- Jionts will be measured and paid seprately.

M&L for heat shrinkable type cable end joint indoor type suitable for XLPE 95/120 Sqmm 3 core cable 11 KV and testing all as specified and directed with terminate joint and jointing material all as specified and directed. Make : Denson/ Raychem/ M - seal as approved by GE (I).

M&L for heat shrinkable type cable end joint outdoor type suitable for XLPE 95/120 Sqmm 3 core cable 11 KV and testing all as specified and directed with terminate joint and jointing material all as specified and directed. Make : Denson/ Raychem/ M - seal as approved by GE (I).

As per Ser Item No 14.00 above but straight through joint Heat shrinkable 95/120 sqmm 3 core 11 KV

Supply, fixing and connecting in replacment single pole zinc oxide (gapless surge type) heavy duty station class, self supporting outdoor type lighting arrester having rated voltage 09 KV (rms) discharge corrent 65 KA insulation level 28/75 KV/KVP (Peak) suitable for rated system voltage of 12 KV supply system with maximum continuous operating voltage (MCOV) not less than 7.65 KV (rms) with highly non linear ceramic resister made of zinc oxide in hermetically sealed container complete with metal base, base inculator and suitable terminals for ground connections and pressure relieving arragement complete all as specified. Make : Cromption Greaves type ZLAX 15 / Southern Insulators/ Alpro International as approved by GE. Note : The rate quoted against above item shall include necessary fixing arrangement of lightening arresster on two pole/four pole structure as per recommendations of manufactures.

M & L for Earthing complete with galvanised steel earthpipe of 3000mm long and 65mmouter x50mm inner dia laid in ground by drilling in the ground as required with filling the back fill compound complete with all as required and directed with 32x6mm GI strip up to testing point and making the earth pit of PCC as per sample as required at site and testing after completion complete all as specified and directed.Make HP earth or eqvt . Note : Earthing strip upto 7.5 metre length shall be deemed to be included in quoted unit rate.

Supply and topping up of insulating oil/pure hydrocarbon mineral oil, clean and sufficiently free from moisture and of other foreign matter as per ISS-335-1993 (fourth revision) incorportingup to date amendment of breakdown/value 60 KV or over at stndard gap after filteration for topping up upto required level in transformers & switchgears and PT's etc complete all as specified and directed and additional characteristics as indicated below :- (a) Oxidation Stability. (i) Newutralizatin value after oxidation max 0.4mg. KOH/Gm. (ii) Total sludge after oxidation max 0.01% by weight. (b) Break down value 60 KV or over at standard gap © SK value upto 8% Make : APAR (POWER OIL)/CASTROL.

Labour charge for filteration and dehydration of Transformer oil for 33/11 KV power transformer with stream line mobile filteration plant at a temp from 60-75 degree celsius to achieve the dielectric strength of oil not less than 60 KV for one minute at a standard gap as per IS 335 of 1983 to remove the moisture from winding and core complete all as specified and directed . Note : Filteration should be carried out in OFF position, therefore generator and cables will have to be arranged by the contractor at his own cost.

Calibratin, performance testing with necessary adjustment of over current/earth fault /earth leakage/ACB in 11 KV panels by artificial high current/capacitive synthetic current injection test on as per IS 14658: 1999 or IS 13516 : 1993 to check tripping mechanism of HT combined inverse time over current and instantaneous relay and cleaning/decobonising its moving and fixed contacts and to ensure physical healthiness with visual check for healthy tripping of over current and earth fault, adjust tripping time, ratio setting, instantaneous time setting, delay time etc as per installed capacity of transformer with considering of percentage impedance of transformeers for successful operation at the time of fault occurence complete all as specified and directed.

M&L for preparing, scraping old painted surfaces and applying two coat of aluminium paint on LT steel tubular swaged poles and swan neck, bracket. channels, angles including making/pasting three nos circular strips of 300 mm wide with reflected synthetic enamel paint ( for LT pole 01 strip of Yellow and 02 strip in black colour) and marking/stencil writing of pole numbers with black paint complete and all as specified and directed. Make of paint : Asian/ Burger/ Nerolac as approved by GE (I).

M&L for preparing, scraping old painted surfaces and applying two coat of aluminium paint on HT steel tubular swaged poles and swan neck , bracket. channels, angles including making/pasting three nos circular strips of 300 mm wide with reflected synthetic enamel paint (100 mm width each strip for HT pole 03 strips of red colour ) and marking/stencil writing of pole numbers with black paint complete and all as specified and directed. Make of paint : Asian/ Burger/ Nerolac as approved by GE (I).

M&L transformer silica gel breather complete with all accessories for transformer of any capacity up to 400KVA transformer all as directed at site

M&L transformer silica gel complete with all accessories for transformer of any capacity all as directed at site

Supply & fixing in replacement of Off load Tap Charger switch, oil immersed of transformer of capacity 300/400 KVA, 11/0.433 KV, 3 Phase 4 wire, 50 Hz, vector group-Dyn 1, on HV winding by making taps on it properly in such a manner that the contacts of all the three windings are changed simultaneously to change + 2.5% + 5% + 7.5% + 10% to control the flow of KW and KVAR & maintain voltage at consumer end as per I.E. rules complete all as specified and directed.

Disconnecting/dismantling in position minor servicing/overhaul of 11 KV distribution transformers 100KVA to 400 KVA capacity for any type of leakage/defect at LT/HT bushing, gasket, drain plug etc., after disconnecting of electric supply and earth connections, drain out transformer oil and keeping in close containers for re-use, lifting/removing of top cover of transformer if it requires, re-assembling of transformer with S&F of new gasket set assembly, replacement of nuts, bolts and washers, as required at site, re filling of Transformer oil, complete after electric connections and testing all as specified and directed by Engr-in-Charge. Note :- (i) If retrieved transformer oil's di-electric strength is very less than it will be replaced with new one in relevent items. (ii) If any minor items is required for smooth functioning of transformer including general cleaning of surrounding area and equipment also, the cost of the same will be deemed to be included in the unit rates.

Transportion the defective transformer sefly from yard to workshop and return back after repair the transformer with loading and unloading to vehicle from required crane and safe fixing in the plinth without any damage to transformer all as required and directed ( Note : Quoted rate will be for shifting the workhshop up to 100 Km from the yard to workshop and return.)

Opening of transformer 160 to 400 KVA capacity 11 /0.415 KV top cover and all other connected accessories ie conservator temprature and oil indicator and other connected items after opening the nut bolts and taking out the plate by crane and required T&P and electrical connection complete after taking out the old used transformer oil complete with all as required and directed at site

M&L for inspection ,rewinding and testing of wornout three phase power transformer of 160 to 400 KVA 11 KV/0.415 KV 50 HZ Vector group -DYN II by taking out the /lifting the winding core /coil care fully according to manufacturer instruction with disconnecting the internal connection for its inspection and taking out the defected/worn out winding wire/strip and rewinding the copper coil with strip/wire coated with insulated varnish ,double paper covered of existing gauge assembled on limbs of the core , first LV winding (star) is assembled and HV widing is asssembled over both winding are insulated from core and main tank by providing sufficient electrical insulation ing cotton tape spacers, wooden block etc , ovening the coil for demoisturising and drying the winding core and main tank cleaning the empty tank by removing dirty sediments ,wash with warm oil , chek the dain cock for workability and assembling the complete core with tightening the nut bolts complete all as required and directed at site.

Reconditioning the LV coil of worn out transformer with insulating material all as required and directed complete all as requied

Supply the packing set of any size suitable for transformer of capacity 160 to 400 KVA made out of 10 mm/6mm thick cock sheet single piece including removing old unserviceable packing kit/ set cleaning the surface of the top cover gasket inspection kit,radiator fins,vent pipe and bucholz and other part of transformer and other part all as required and directed at site

Providing the crane of appropriate capacity to lift/lowering the core assembly and top cover alongwith conservator for saftey of core assembly and other part for fixing in tank after repair of assembly all as required and directed at site.

Refixing the transformer 160 to 400 KVA capacity top cover and all other connected accessories ie conservator temprature and oil indicator and other connected items and tightening the nut bolts and cleaning the radiator ,testing commissioning complete transformer and fixing on plateform after unloading transformer making the connection with testing the transformer with qualified engineer complete all as required and directed at site.

M&L for providing re-insulation like cotton tape/paper insulation on LT side of strip winding and resetting the same in existing position and fixing the transformer core assembly in transformer housing/tank, making complete internal electric/mechanical connections, replacement of old sleeves, bolts, nuts, washers/wires, hooks etc. including tightening of all loose connections complete all as specified and as directed by Engineer in Charge

M & L for painting of OCB/VCB by means of spray painting with two coat of synthetic enemal grey paint including marking with stancile of capacity, location, MES No etc after cleaning of transformer complete by thiner and preparation of surface of transformer body, cable end box etc complete all as specified and directed. Make of paint : Asian/ Burger/ Nerolac as approved by GE (I).

S&F in replacement of unserviceable brass spindle duly threded at the end complete with nut bolts and washer suitable for HT side of transformer out door type all as specified and directed at site for the following capacity suitable for existing transformer of required size/ shape for spindle of transformer of any capacity up to 400KVA 11000 volts grade indoor type suitble for HT side all as specified and directed :-

As per Ser Item No 36.00 above but suitable for LT side of transformer of following capacity :-

Supply and fixing in replacement of unserviceable Aluminium crimping Terminals (lugs) long barrel type, thimble type complete all as directed for the following sizes :- Make : Dowells/Comets/ Jainson as approvedby GE (I).

(a) 16 sqmm

(b) 25 sqmm

(c) 35 sqmm

(d) 50 sqmm

(e) 70 sqmm

(f) 95 sqmm

(g) 120 sqmm

S & F Aluminium PG clamps Suitable for ACSR DOG conductor, ACSR Weasel conductor complete all as specified and directed by GE (I).

S & F galvanised GI pin suitable for over head insulator complete all as specified and directed by GE (I).

S&F Pin type, pocelain, vitreous, white brow or green insulator including one galvanised mild steel spindle, two galvaanised iron washers and one galvanised iron nut, 150mm height, 150mm dia for 11000 volts grade. Make :Jaipuria Brothers/ Modern Insulators/ Jayshree Insulators as approved by GE(I).

All same as per item No 41.00 abovebut disc insulator 145mm X 255mm dia ball and socket type. Make :Jaipuria Brothers/ Modern Insulators/ Jayshree Insulators as approved by GE(I).

S & F PVC overhead line spiral spacer Single phase 2 wire complete all as specified and directed by GE (I).

S & F PVC overhead line spiral spacer Single phase 3 wire complete all as specified and directed by GE (I).

S & F PVC overhead line spiral spacer three phase 5 wire complete all as specified and directed by GE (I).

Providing the cable fault locating Machine with necessary T&P at site for locating exact pin point of fault along with the length of armourd 1.1/ 6.6 /11 KV XLPE/PILCA insulated LT/HT cable complete all as required and directed at site

Supply and fix in replacement stay assembly set comprising of galvanized steel stay wire stranded 7/300 mm galvanized steel bow, GI steel stay rod 12 mm dia with nuts, bolts and washers, steel plate 230x230x6 mm loop insulators as shown in electrical plate No 1 including necessary earth work in soft/loose soil PCC 1:3:6 type C-2 using 40 mm graded stone aggregate foundation, disposal of surplus soil upto a distance of 50m and fixed to stay clamps complete all as required and directed.

S&F in replacement of unserviceabile porceline vitreous bushing of required size / shape (suitable for exisiting transformer ) for spindle of transformer of any capacity upto 400 KVA 11KV indoor type siutable for HT side all as specified and directed

As per Ser Item No 48.00 above but 1100 Volts grade suitable for LT side indoor type all as specified and directed.

Dismantling existing worn-out old GOD and fixing only 11 KV out door type gang operated air break switch triple pole & Disconnecting from existing system and Supply and installation and testing 11 KV outdoor type ,gang operated Air-break switch triple pole mechanically operated ,mounted on insulator and steel frame with operating mechanism worked from ground level with 25 mm GI pipe (Med. grade) operating rod of suitable length with an ON-OFF position capacity 200 amps with dropout fuse & 12 insulator connected and out going with Steel nut bolts and washers all as specified and directed at site.

Routine and periodical work required for trimming / cutting of tree branches of any girth, touching /obstructing the over head lines of HT/LT poles of three phase distribution system at places not more than 40 mtr span distance so as to keep minimum 2.0 mtr clearance all around the lines and poles with due care after taking proper electric shoutdown from concern MES competent staff complete disposal thereof ( trimmed branches) to a distance not exceeding 100 metre complete all as specified and directed.

Routine and periodical cleaning around the area of out door swith yard of 11 KV Sub Station No 1 and 11 KV sub stn No 2 etc by cutting and removal/uprouting of unwanted grass/bushes, small trees including surface dressing and leveling by surface excavation wherever required complete in all respect or as directed.

Supply & fixing in replacement of DO fuse element of current rating 40 to 10 Amp in fire resistance tube suitable for working voltage of 11 KV complete all as specified and directed.

Supply & fixing in replacement of HT tape suitable for working voltage of 11 KV complete all as specified and directed.Make -Johnson/scotch or equivalent

M & L for painting of transformer 11 KV, upto 400 KVA by means of spray painting with two coat of synthetic enemal grey paint including marking with stancile of capacity, location, MES No etc after cleaning of transformer complete by thiner and preparation of surface of transformer body, cable end box etc complete all as specified and directed. Make of paint : Asian/ Burger/ Nerolac as approved by GE (I).

S & F PT (voltage transformer) for 11 KV indoor VCB, draw out type, 11 KV11000/110V,VA5, Class I Rated, freequency 50 Hz or as per existing. Make CG,PRAGATI,National or equivalent

Providing highly skilled mechanic/ specialist in electric HT breakers/Panels line certified from OEM ( Original Equipment Manufacturer ) for carrying out the mechanical servicing/overhauling of 11 KV VCB/SF6 breaker complete (Make-CG/ALSTOM/ABB /OR ANY MAKE ) by drawing out the trolly from existing HT panels with due care after taking proper shut down from concerned staff, opening of l tank, decanning of old carbonised parts and cleaning/decarbonising all mechanical/metal parts with CRC/CTC-226 solution/spray, inspection/ checking of all fixed and moving parts, dressing of male and female contact by using emery paper for fine/smooth contact, meggering of IR value of all HT incoming and out going bushing, providing oil, grease and re-assembling the same by tightening of all connections including checking of alignment for easily movement of breaker for ON/OFF operation with setting of buffer gap adjustment, contact travel allignments , rollar gap , hard or light setting of breaker greasing of all moving mechanism including removing and fixing worn out/cracked/moistured/loosing IR value spare parts ( for which supply of spare parts only will be paid seperately )and fixing the trolly in HT panels and testing, charging the system in presence of Engr in Charge/JE E/M complete all as specified and directed.

Auxilariy Switch 7NO+ 7NC complete all as specified and directed

Close coil 24/30V DC Make:L&T/Crompton greave/ABB

Shunt trip coil 24/30V DC. Make:L&T/Crompton greave/ABB

Series trip coil 24/30V DC. Make:L&T/Crompton greave/ABB

Power Pack for HT panel VCB for exection of relay complete all as specified and directed

Supply and fixing of Vaccum intrupter with srout as make of VCB. MAKE: Crompton/ABB

Supply and fixing in replacement of led light R,Y,B as specified and directed

Supply and fixing in replacement of T&C swithc as speciifed and as direected at stie

Supply and fixng in replacement of spout of suitbale type of VCB as specified and as directed at site

S & F CT (voltage transformer) for 11 KV indoor VCB, draw out type, 11 KV11000/110V,VA5, Class I Rated, freequency 50 Hz.or as per existing Make CG,PRAGATI,National or equivalent

S&F in replacement of male female contacts of suitable type of VCB Make: Crompton, ABB

Supply and fixing in replacement of geary mechanicsm of VCB for sutiable make as specified and as directred at site.

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