REPAIR/MAINTENANCE OF HT SYSTEM INCLUDING HT SWITCH GEARS/OVER HAULING OF TRANSFORMERS/CLEANING GRAVELLING AND FACE LIFTING AND CONNECTED WORKS AT CHAF BANGALORE

Amount

Material & Labour for locating UG cable fault using Microprocessor based fault locator suitable for high volage of 11KV , HT XLPE cables under trenches/RCC surface & on wall for finding OC/SC/Flahing faults with any one of the suitable methods Time domain reflectometer method (TDR)/Secondary impulse Method (SIM) /Impulse Current method (ICM)/decay Method to achieve pin point fault location up to 5 Km distance complete all as directed by Engineer-in-charge. Note : 1. The Quoted cost by the firm is deemed to include all accessories , equipments and labour cost. 2. A proper entries to be made in the Air force entrance gates register in r/o fault rectification technicians team details who are visiting to rectify HT faults.

Material & Labour for filteration and dehydration of transformer oil on line by using streamline filteration plant the di electric strength to be brought to not less than 60 KV ( at 2.0 mm gap for 1 minute) and testing the oil sample after dehydration comlete all as directed by Engineer-in-charge. Note: - (i) The contractor is responsible to carry out filteration by the state electricity board approved filteration vendor/firm only, Before filteration the di electric strength of the oil in r/o plant/eqpt to be checked, if found less than rated KV then only filteration to be carried out and Test results before and after filteration to be recorded as per the sample provided from the respective plant/eqpt by the Engr-in-charge. (ii) The rate quoted deemed to be included for taking necessary connection and the connection to filteration plant from transformers and switchgear oil duly removing the inlet and outlet connections as per site conditions. (iii) For topping up transformer oil will be measured and paid separately under relevent items. iv) The rate quoted deemed to inclusive of testing charges for before and after filteration of the oil samples as provided by Engineer-in-charge. v) A proper entries to be made in the Air force entrance gates register in r/o filteration machine and their technicians team details who are visiting filteration of oil etc.

M&L for collecting the oil samples from transformers installed at CHAFB areas and carrying out for initial BDV test (before filtration), final BDV test (after filteration) and acidity test. Report is to be submitted in printed form for each transformer oil samples tested complete all as directed by Engineer-in-charge.

Material and Labour for filling insulating oil (transformer oil) in manufactureres sealed barrel confirming to IS-1866:2000 having dielectric strength not less than 60 KV for topping up in 11/0.433 KV transformer complete all as directed by Engineer-in-charge (Filling shall be done by on line filtration plant only). Note : The transformer oil to be purchased from original manufactureres/authorised distributor/dealer only and GST voucher to be encl with payment claims.

Supply and fixing in replacement of UV proof clear view type poly carbonate with aluminium top and bottom breather assembly with silica gel of any type upto 630 KVA transformer complete all as directed by Engineer-in-charge.

Supply and fixing in replacement silica gel for up to 630 KVA transformer of any type complete all as directed by Engineer-in-charge.

Supply and fixing in replacement of oil temprature gauge upto 630 KVA transformer complete all as directed by Engineer-in-charge.

Supply and fixing in replacement of set of gasket such as top cover, conservator,bucholz relay, breather etc for transformer capacity upto 630 KVA complete all as directed by Engineer-in-charge.

Material and Labour for painting the transformer indoor/outdoor of capacity up to 250 KVA after preparation of surface and applying two coats of best quality synthetic enamel paint of existing colour on old steel surface and marking serial no,MES No,SM No,Date of installation etc complete all as directed by Engineer-in-charge.

Material and Labour for painting the transformer indoor/outdoor of capacity ranging from 315 KVA to 630 KVA after preparation of surface and applying two coats of synthetic enamel (matching existing colour) paint on old steel surface and marking serial no,MES No,SM No,Date of installation etc complete all as directed by Engineer-in-charge.

Material and Labour for painting the compact substation including transformer, SF6 breaker and canopy complete of capacity ranging from up to 250 KVA after preparation of surface and applying two coats of synthetic enamel (matching existing colour) paint on old steel surafce marking serial no, MES No,SM No,Date of installation etc complete all as directed by Engineer-in-charge.

Material and Labour for painting the compact substation including transformer, SF6 breaker and canopy complete of capacity ranging from 315 KVA to 630 KVA after preparation of surface and applying two coats of synthetic enamel (matching existing colour) paint on old steel surafce marking serial no, MES No,SM No,Date of installation etc all as directed by Engineer-in-charge. Location for Sl No. 11 & 12 : Power House,GJ Complex,Mes BuildingOfficer No 2 Mess

Supply and fixing in replacement of HT 11 KV bushing porecelain with copper alloy terminals for transformer of capacity upto 630 KVA including dismantling unserviceable complete all as directed by Engineer-in-charge.

All as per item 13 here-in-before but LT bushings

Supply and fixing in replacement of burnt Brass rod connecting rod for transformer up to 630KVA and refixing new connecting rods with oil seal o-ring , nuts, washers etc all as directed by Engineer-in-charge.

Material and Labour for Cross arms, bracings, supports,clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one coat of primer,under coat and one finishing coat of paint complete all as directed by Engineer-in-charge.

Material and Labour for servicing of two/four/six pole structure complete including replacement of unserviceable jumpers with PVC 50 Sqmm aluminium cable using colour code Red, Yellow & Blue single core , vice type connectors, bolts nuts washers connecting lugs/thimbles knife contacts, applying petroleum jelly to the moving as well as fixed contacts tightening all the connections for its smooth functioning and preparing the old painted surfaces of the structure such as poles, cross arms, bracing and supports clamps back plates complete painting of two coats of anticorrosive aluminium paint over a coat of redoxide zinc chrome primer and providing yellow and black paint from the ground level complete all as directed at site by Engineer-in-charge. Note: - No extra payment will be made for the spares any required to keep the installation in satisfactory functioning through out the contract period other than given in the schedule.

Material and Labour for spread stone aggregate of size 40 to 90 mm grade complete all as specified and directed at site by Engineer-in-charge. Note - The Engineer-in-charge and JE E/M are responsible to carried out photography before executing the item (Then), during executing of the item (Running work) and after executing of the item (Now) and the same to be encl during payment claims. Location: a) ASC center take over Point b) Pump house take over Point c) Map Receiving Point d) Officer Mess No 2 e) NC Qtrs Receiving Point

Supply and fixing in replacement of switches air break gang operated triple pole mechanically operated mounted on insulator and steel frame with operating mechanism worked from ground level including locking arrangement in open/closed position for un authorized operation for current rating upto 200 Amps 11000 volts suitable for site requirements complete all as specified and directed by Engineer-in-charge. Location: a) Pump House Six Pole Structure - 02 Nos b) ASC Main Receiving Point-01 Nos

Supply and fixing in replacement of Male moving contacts blades for Gang opertaed/Air break switch assembly as per site requirements with proper nuts ,bolts and applying non corresive petrolium jelly complete all as directed by engineer-in-charge. Location : a) Pump House. b) MAP Receiving Point

Supply and fixing in replacement of Female fixed alloy contacts jaws for Gang opertaed/Air break switch assembly as per site requirements with proper nuts ,bolts and applying non corresive petrolium jelly complete all as directed by engineer-in-charge. Location : a) Pump House. b) MAP Receiving Point

Supply and fixing in replacement PVC sheathed stranded aluminium conductor cable of size 70 sqmm colour code to be used Red, Yellow and Blue for jumpers fixed on GOD with D clamps complete all as directed by engineer-in-charge. Location : a) ASC center take over Point. b) Pump house take over Point. c) Map Receiving Point. d) Officer Mess No 2. e) NC Qtrs Receiving Point.

Supply and fixing in replacement pin type porcelain vitreous, white, brown or green insulator including one galvanized mild steel spindle two galvanized iron washers and one galvanized iron nut 150mm height 150mm dia 11000 volts grade including taking down old unserviceable insulator all as specified and directed by engineer-in-charge.

Supply and fix lightening arrestor non linear type suitable for HT 11 KV installation out door use complete with all fittings transmission class discharge 65 Kilo Amps including taking down the unserviceable complete all as specified and directed by engineer-in-charge. Location : a) ASC center take over Point. b) Pump house take over Point

Material and Labour for cleaning, dusting and servicing and replacement of worn out/unserviceable parts for the smooth functioning electronic float cum boost battery charging unit pertains to HT VCB panel 110/220 volt DC along with sealed battery bank of 2 volt , 100 AH with connection fixed inside MCB control for input circuit, DC out put circuit, tightening the cable connection incoming and out going etc complete all as directed by engineer-in-charge.

Supply and fixing in replacement of Drop out fuses capacity 20 Amps to 40 Amps complete all as directed by Engineer-in-charge.

Suppyl and fixingix in replacement of HT Bottle fuse 100 Amps for load breaker switch controled complete all as directed by Engineer-in-charge.

Material and Labour for Repair/Maintenance , cleaning, dusting and servicing Vacuum Circuit Breaker, HT 11 KV,50 Hz , 630 Amp indoor switch gear panel by Grounding of complete panel live parts, thorough cleaning, visual checking, tightness checking, and servicing of breaker panel including breaker carriage along with associated mechanism , metering panel, bushbar/cable chambers, motorised spring charging mechanism , DC shunt trip/close coils, operation counter, manual spring charging mechanism , relays, meters , indicators , heater coil, aux supply SMPS , replacing of worn out parts and fuses , applying petroleum jelly to moving and fixed mechanical parts for its smooth functioning complete all as directed by the Engineer in charge. Location : Main Power House -08 Nos

Material and Labour for Repair/Maintenance ,cleaning, dusting and servicing, for the smooth functioning of 3 way compact RMU, HT 11 KV , 630 Amp, 3 phase 50 cycle by Grounding of complete panel live parts, thorough cleaning, visual checking, tightness checking, and servicing of breaker panel including breaker carriage along with associated mechanism , metering panel, bushbar/cable chambers , self powered over current and earth falult relay, T-off SF6 circuit breaker module , mechanical fault/on/off indicator etc including refilling of SF6 gas and replacing worn out parts when required etc and confirming smooth reliable operation of RMU unit complete all as directed by engineer-in-charge. Location : a, Power House-02 Nos. b, Pump House-01 Nos

Material and Labour for Repair/Maintenance , Cleaning, dusting and servicing Oil circuit Breakers HT 11 KV, 50 Hz, 400 Amps capacity by Grounding of complete panel live parts, thorough cleaning, visual checking, tightness checking, and servicing of breaker panel including breaker carriage along with associated mechanism , metering panel, bushbar/cable chambers, DC shunt trip/close coils, operation counter, manual spring charging mechanism , relays, meters , indicators , aux supply SMPS , replacing of worn out parts and fuses carefully for its smooth functioning complete all as directed by the Engineer in charge. Location : Pump House

Material and Labour for Repair/Maintenance ,cleaning, dusting and servicing of standalone/Compact substation SF6 Circuit Breaker, HT 11 KV, up to 630 Amp , 3 phase 50 cycle totally enclosed out door type application switch gear by Grounding of complete panel live parts, thorough cleaning, visual checking, tightness checking, and servicing of breaker panel including breaker carriage along with associated mechanism , metering panel, bushbar/cable chambers, motorised spring charging mechanism , DC shunt trip/close coils, operation counter, manual spring charging mechanism , relays, meters , indicators , heater coil, aux supply SMPS , replacing of worn out parts and fuses , applying petroleum jelly to moving and fixed mechanical parts for its smooth functioning complete all as directed by engineer-in-charge. Location : a) Power House - 04. b) GJ Complex -01. c) Near MES Bldg - 01. d) MAP - 01. e) Officers No 2 Mess - 01.

Material and Labour for Repair/Maintenance ,cleaning, dusting, servicing and replacement of wornout parts etc for the smooth functioning of oil cooled servo voltage stabilizer 75 KVA 3 phase by Grounding of complete panel live parts, thorough cleaning, tightness checking, and servicing of servo motor,Auto transformer ,control circuit ,Aux power transformer,bearing,control relays,contactors including checking of Loose wiring along with associated mechanism and replacing worn out parts etc and testing,confirming smooth reliable operation of voltage stabilizer unit complete all as directed by engineer-in-charge. Location : 7ASC center

Material and Labour for Decarburizing/cleaning complete HT 11KV, 3 phase independent bus bar, bus bar chamber of HT panel electrification after removing the complete bus bar spout, circuit spout from the bus bar chamber, cleaning with CTC and ensure proper decarburizing, re-fixing the same after applying backtol (Red) solution to the spout, checking all the connections, tightening the nuts, bolts thimbles for incoming and outgoing system complete all as directed by engineer-in-charge. , Note : The quoted rate is included for all required spares as per site requirements i.e bactol red, CTC & cotton waste etc. Location : Main Power House

Material and Labour in replacement of terminal protector boot straight/right angle type having insulating capacity of 11/22KV rating for having Protection from Short Circuit due to Intervention by Reptiles,Birds, Animals in Cable Entry Box for transformer/VCBs/RMU/SF6/ OCB breakers complete all as directed by engineer-in-charge. . Note : The terminal protector boot shall be ISI marked and to be purchased from original manufactureres/ authorised distributor/dealer only. The GST vouchers shall be encl with payment claims.

Material and Labour for refilling/topping SF6 (Sulpher Hexa fuloride) gas charging/topup in existing RMU/SF6 circuit breaker upto specified operating level (min pressure 2.8 Kg/cm2) and conduct gas leakage test and arrest leakage if any complete all as directed by Engineer-in-charge. Note - The Engineer-in-charge and JE E/M are responsible to carried out photography before executing the item (Then), during executing of the item (Running work) and after executing of the item (Now) and the same to be encl during payment claims.

Supply and replacement of LED light Red, Blue, Yellow & green for 110/220 Volts for HT 11 KV panel all including taking down the unserviceable complete all as directed by Engineer-in-charge.

Supply and fix in Replacement of Push Button with 1 NO + 1NC on existing HT VCB Panel complete all as directed by Engineer-in-charge.

Supply and fix in Replacement of Rotary switch for Local / Remote / Neutral / trip / Close function on existing HT VCB/SF6/OCB Panel complete all as directed by Engineer-in-charge.

Supply and fix in Replacement of Digital Multifuction meter PT/CT (0-110v)/(0-1/5A) operated for measuring votage / Ampere / Power factor / Frequency etc on existing HT VCB/SF6 Panel all as specified and as directed

supply and fix in replacement of resin type PT 11KV/110V for phase with fuse, 11KV/110V, with burdon of 100VA, Accuracy 0.5 as per site requirements , complete suitable for HT 11KV panel , testing and commissioning after completion of the work complete all as directed by Engineer-in-charge. Location : Power House

Supply and replacement of HT 11 KV current transformer dual core epoxy insulation type as existing CT ratio including taking down the unserviceable complete all as directed by Engineer-in-charge Location : Pump House

Suppyl and fixing in replacement of SMF GEL Tubular VRLA 2 Volts 100 Ah Battery for battery bank system, including connecting copper lead , thimbles, nuts, bolts , washers etc. complete all as directed by Engineer-in-charge

Supply and fix in Replacement of Panel space Heaters 80-120 watts coil element AC 230 Volt Input suitable for HT VCB panel of any make fixed inside with suitable clamps , bolts and nuts complete including necessary wiring cable connection complete all as directed by Engineer-in-charge

Supply and fix in Replacement of Thermostat switch for controlling the space Heaters temperature settings AC 230 Volt Input suitable for HT VCB panel of any make fixed inside with suitable clamps , bolts and nuts complete including necessary wiring cable connection with control toggle ON-OFF switch - 01 No complete all as directed by Engineer-in-charge

Supply and fix in replacement of damaged HT breaker cluster contacts male / female / Isolating / Moving / Fixed Contacts 630/400 amps for VCB/OCB/RMU/SF6 type breaker all complete all as directed by Engineer-in-charge

Supply and Replacement of closing coil complete with all accessories suitable for HT 11 KV VCB 400/630 Amps complete including taking down the unserviceable complete all as directed by Engineer-in-charge

Supply and Replacement of tripping coil complete with all accessories suitable for HT 11 KV VCB 400/630 Amps including taking down the unserviceable complete all as directed by Engineer-in-charge

Supply and replacement of HT 11 KV VCB 400/630 Amps epoxy spout insulator including taking down the unserviceable complete all as directed by Engineer-in-charge

Supply and replacement of CAM wheel assembly suitable for VCB of existing make HT 11 KV,400/630 Amps capacity complete with all accessories complete all as directed by Engineer-in-charge

Supply and replacement of spring charging motor suitable for VCB of Existing Make HT 11 KV, 630 Amps capacity complete with all assembly/accessories complete all as directed by Engineer-in-charge

Supply and Replacement of spring charging gear assembly with all accessories suitable for HT 11 KV VCB 400/630 Amps complete including taking down the unserviceable complete all as directed by Engineer-in-charge

Supply and Replacement of catch/ latchet assembly complete with all accessories suitable for HT 11 KV VCB 400/ 630 Amps complete including taking down the unserviceable all as directed by Engineer-in-charge.

Material and Labour for calibration and testing of triping system of HT 11 KV OCB/VCB/SF6/compact substation circuit breaker by injecting fault current on primary side of CT/PT , setting the OL/inverse time /Earth fault level and ensure that HT breaker tripping system function properly as per relay setting and submit calibration test certificate duly signed by contractor complete all as directed by Engineer-in-Charge. Note : 1. A proper entries to be made in the Air force entrance gates register in r/o testing eqpt and their technicians team details who are visiting for Calibration etc..

Material and Labour for painting the VCB of capacity ranging 630/400 Amps after preparation of surface and applying painting of two coats of anti corrosive smoke grey paint over a coat of redoxide zinc chrome primer out side surface of the metalic enclosure including writing MES No, SM No, Date of installation etc all as specified and directed by the Engineer in charge

Material and Labour for painting the SF 6 /OCB / RMU of any capacity ranging after preparation of surface and applying painting of two coats of anti corrosive smoke grey paint over a coat of redoxide zinc chrome primer out side surface of the metalic enclosure including writing MES No, SM No, Date of installation etc all as directed by the Engineer-in -charge

Material and Labour for Cable jointing kit for 11 KV (Earthed) grade cable for stright through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sq mm to 185 sq mm including taking down the unserviceable complete all as specified and directed by Engineer-in-charge.

Material and Labour for replacement of cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing materials and accessories suitable for 3 core XLPE armoured aluiminium conductor cable of size 120 sqmm to 185 Sq mm complete all as specified and directed by Engineer-in-charge.

Material and Labour for replacement of cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing materials and accessories suitable for 3 core XLPE armoured aluiminium conductor cable of size 120 sqmm to 185 Sq mm complete all as specified and directed by Engineer-in-charge.

Material and Labour for reconditiong of exisitng earth pit by removing damaged earth PCC chambers and excavate pit soil upto 25% of earth plate/electrode and adding alternate layers of charcoal, mixture of salt and copper sulphate up to 15cm above the earth plate/electrode and moist the mixture using water , cleaning/replacing of funnel with wire mesh where ever necessary , contractor should ensure that the earthing resistance should be below 2 Ohms , making good to distrubed surface and all as specified and directed at site by Engineer-in-charge. Note: 1. Earthing reconditioning break up details - Near Transformer - 15 Nos, DG Set-15 Nos, LT Panel Boards - 40 Nos and lightening arrestor structure/GOD/DO fuses - 30 Nos. 2. The quoted rate is inclusive for excavation, returning filling and connected items etc 3. Salt , charcoal , copper Sulphate shall be measured and paid seperatly under relevent item here in after as SUPPLY only and all other works included in the quoted rates.

Supply only pure charcoal granular/aggregate type having Ash content < 5% , stone free for earthing

Supply only iodine free pure common salt crystal ( NaCl) for earthing

Supply only copper sulphate crystal (CuSO4) for earthing.Note for Sl No. 60 to 63 : 1. The Engineer-in-charge and JE E/M are responsible to carried out photography before executing the item (Then), during executing of the item (Running work) and after executing of the item (Now) in the presence of contractor/his supervisor/technician to be enc along with GST vouchers of item No. 61, 62 and 63 during payment claims.

Material and Labour for replacement of earth pit cover with pre moulded cast iron eart pit cover 300mm x300mm x 50mm , provision of funnel, wire mesh necessary excavation and earth work in any type of soil as earth pit complete all as directed byEngineer-in-charge. Location : a) Power House - 25 Nos. b) Map Receiving Point - 10 Nos. c) Pump House -15 Nos.

Material and Labour for Test point terminal block made of gun metal or phosphorus bronze size 75 x 75 x 25mm, drilled and screwed including 3 Nos. 8mm dia 25mm long hexagonal head screw complete fixed on wall in and including sheet steel enclosure of thickness 2 mm thickness with locking arrangement complete all as specified and directed by Engineer-in-charge. Location: a) Power House DG Room -18 Nos. b) Pump house-12 Nos c) CT scan DG Room- 5 Nos. d) VCB Room - 5 Nos

Material and Labour for laying earth continuity conductor GI Strip 25 x 4mm fixed to wall on batten or recess or chases or buried in ground or drawn in and including conduit/pipe or fixed to poles or any other indicated situation for direct/loop earthing with proper PVC/Porcelain insulator taking out olt strip etc complete all as specified and directed by Engineer-in-charge.

Material and Labour for laying earth continuity conductor GI Strip 32 x 6 mm fixed to wall on batten or recess or chases or buried in ground or drawn in and including conduit/pipe or fixed to poles or any other indicated situation for direct/loop earthing with proper PVC/Porcelain insulator taking out olt strip etc complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement of PVC Polymer/Porcelain insulator for existing GI/Aluminium/copper strip support as per site requirements complete all as directed by Engineer-in-charge.

Material and Labour for earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6 mm thick burried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the earth plate not less than 1.5 m below normal ground level, connected to galvanised iron wire 4 mm dia by means of bolts,nuts and washers of galvanised iron or steel all as shown in elecrtical plate No 3 set of SSR pt I, connected to LT panels only, earthing test point including PCC chamber , RCC cover 50mm thick with 8 mm dia bars, protection pipe, watering pipe 20 mm medium grade GI, funnel etc including excavation, earth work, disposal of surplus soil and earth strip protection pipe of GI 15 mm bore light grade upto 7.5 metre including testing on completion including taking up old earthings complete all as directed by Engineer-in-charge. Note : 1. The Engineer-in-charge and JE E/M are responsible to carried out photography before executing the item (Then), during executing of the item (Running work) and after executing of the item (Now) in the presence of contractor/his supervisor/technician and the same to be encl during payment claims.

Material and Labour for rubber matting one side chequered and other side plain 19 mm thick insulated for 11000 Volts ISI Marked in standard size 2m x 1m including taking down the unserviceable complete all as directed by Engineer-in-charge. Location : Power House VCB Panel Room

Material and Labour danger notice board/plate of 1.6mm thick mild steel sheet vitreous enameled white with letter, figures and conventional skull and bones in signal red colour and fixed with MS clamps, nuts and bolts of approved size of HT 25 x 20 cm size complete all as directed by Engineer-in-charge.

Material and Labour for Dismantling and taking down existing old damaged wall mounting sign/Message board and supply and fixing of new sign/message board as per required size made out of transparant perspex sheet with letter writing (as required and approved by Engr-in-charge) complete all as directed.

Material and Labour for Dismantling and taking down existing old damaged wall mounting glow sign board and supply and fixing of new glow sign board of size 2mx50cmx20cm wide on made out of MS sheet of 16 Gauge with front of the board made out of transparant perspex sheet with letter writing(as required and approved by Engr-in-charge) including 02 Nos 10 watts LED fittigs(Make Havells or equivalent of Crompton/Wipro as approved) fitted inside the board and three core wire of size 40/0.0076mm required length including point wiring and painting with two coats of synthetic enamel paint complete complete all as directed by Engineer-in-charge.

Material and Labour for Dismantling and taking down existing old damaged standing sign board and supply and fixing of high intensity HIP reflective sign board made from hardened plastic aluminium combined sheet 2mm thick two sheets placed back to back aluminium pop riveted to stainless steel square pipe 40mmx40mm of 16 gauge frame of size 1300x840mm .Frame supported with 25mm and 50mm round 2.7mtr long GI pipe welded to frame.Top end legs closed with decorative stainless steel dome place. All stainless steel parts polished on plastic aluminium combined sheet ,HIP blue reflective sheet shall be pasted on both side and with white fluorescent computer cut tape min 11 cm hight to be pasted on sign board and border of white HIP sheet shall be pasted and fixed in PCC all complete all as directed by Engineer-in-charge. Note for Sl No. 73 to 74 : The Engineer-in-charge and JE E/M are responsible to carried out photography before executing the item (Then), during executing of the item (Running work) and after executing of the item (Now) in the presence of contractor/his supervisor/technician and the same to be encl during payment claims.

Supply and replacement of mild steel nuts and bolts and washers of various sizes complete all as directed by Engineer-in-charge.

Repairing/ welding of leaking fins / body of transformer and making the same leak proof complete all as directed by Engineer-in-charge. Note : The quoted rate is inclusive for all works as required on the site for welding works to transformer etc

Supply & fix in replacement of Tinned copper flexible jumper 200/400A rating for Gang operated /Air break switch assembly with proper nuts,bolts and applying non corresive petrolium jelly complete all as directed by Engineer-in-charge.

Material and Labour for preventive maintenance/repairs to transformer step down 11 KV/0.43 KV in door/out door type of any make of cap 250/400 KVA - including cleaning the transformers externally throughly with lint free cloth, tightening the HT/LT terminal nuts, opening the top cover including repalcement of worn out gasket etc and worn out copper alloy nuts and tightening the earth terminals and conducting various tests as stipulated in the particular specification, testing transformer complete all as directed by Engineer-in-charge.

Material and Labour for preventive maintenance/repairs to transformer step down 11 KV/0.43 KV in door/out door type of any make of cap 100/200 KVA - including cleaning the transformers externally throughly with lint free cloth, tightening the HT/LT terminal nuts, opening the top cover including repalcement of worn out gasket etc and worn out copper alloy nuts and tightening the earth terminals and conducting various tests as stipulated in the particular specification, testing transformer complete all as directed by Engineer-in-charge.

Material and Labour for preventive maintenance/repairs to transformer step down 11 KV/0.43 KV in door/out door type of any make of cap 500/630 KVA - including cleaning the transformers externally throughly with lint free cloth, tightening the HT/LT terminal nuts, opening the top cover including repalcement of worn out gasket etc and worn out copper alloy nuts and tightening the earth terminals and conducting various tests as stipulated in the particular specification, testing transformer complete all as directed by Engineer-in-charge.

Material and Labour for servicing and repairs to unserviceable tap changer of transformer upto 630KVA capacity tightening of nuts,bolts, check all the functioning of moving parts including changing all worn out parts such as moving contacts ,L-connectors,fixed contacts ,mounting blocks etc testing of tap changer in all positions complete all as directed by Engineer-in-charge.

Suppyl and fixingix in replacement of vaccum bottle interrupter rated 11KV , and breaking capacity 31.5 KA , rated current 630A min ,including testing complete all as directed by Engineer-in-charge. Note : 1. The contractor shall be procured the item from original manufactureres or authorised distributor/dealer only and GST voucher enclosed with payment claims. 2. The Engineer-in-charge and JE E/M are responsible to carried out photography before executing the item (Then), during executing of the item (Running work) and after executing of the item (Now) in the presence of contractor/his supervisor/technician and the same to be encl during payment claims. Note : For Item No 1 to 82, If any HT installations and connected items become breakdown, the contractor shall loacate the problem/fault at site within 24 hours on intimation by JE/Engineer-In-Charge and ensure that the fault rectified within 48 Hours on locating the fault, failing which an amount of Rs 300 /- per hour will be recovered as penal recovery from contractor dues payment after expiry of 48 hours.

B5BUILDING SOLUTIONS

Pacific Enterprises

devan enterprises

M/s BHOOMI ELECTRICALS