REPAIR, MAINTENANCE AND SERVICES OF 11 KV GODS, VCBS, TRANSFORMERS, SERVO STABLIZERS AND OTHER CONNECTED ITEMS UNDER GE JUTOGH

Amount

Dismantling and taking down old unserviceable GOD any type complete all as specified and directed.

Supply, installing, testing and commissioning of air break gang operated triple switch( GOD) outdoor type , vertical mounting type of capacity 200 Amp with drop out fuse consisting 12 insulators ISI marked mechanically operated mounted on insulator and frame work with operating GI rods and mechanical work from ground level with locking arrangement including Godrej pad lock with two keys complete with fuse carrier and HT fuse element having upto 60 Amp rating suitable for HT 11 KV 50 HZ AC supply including necessary electric connectioncomplete all as specified and directed.

M&L for earthing complete with galvanized steel plate earth electrode 60cmx60cmx6mm thick surrounded by char coal and salt buried directly in ground vertically in pit of depth not less then 2.25 mtr below ground level with top edge of the earth plate at depth of not less then 1.5 mtr below ground level surrounded from all sides by char coal dust and common salt in alternate layers of 15 cm depth and earth plate electrode connected to galvanised earth lead wire of 4.0mm dia at two points by means of GI nuts bolts, check nuts and washers and connected to earthling test point drawn through GI pipe for protection of earth lead wire incl PCC earth pit (1:3:6) type C-2 with CI frame and RCC cover all as shown in electrical Plate No 3 on SSR Part-I including testing and dismantling ,taking down old unserviceable earthing complete all as specified and directed. Note: (i) Rate of Earth work, Earthing electrode, all connections, nut-bolts, washers, earth lead protection pipe of dia 20 mm, water pipe of dia 20 mm complete labour, testing, Earth lead upto 7.5 mtr, char coal dust, common salt, porcelain insulator, PCC earth Pit, CI frame ,RCC cover, funnel with wire mesh are incl in quoted rate.

S&F in repair Pin / Post type insulator vitreous white, brown or green 11000 volts grade of 150 mm dia and 150mm height including one galvanized mild steel spindle with two GI washers and one galvanized nuts bolts incl dismantling and taking down old insulator complete all as specified and directed.

M&L for straight through joint heat shrinkable 11 KV earthed system suitable for XLPE cable of size 3 core 50-95 Sqmm incl taking down old unserviceable HT joint complete all as specified and directed. Note: Earth work will be measured and paid separately.

M&L for cable end termination jointing kit HT 11 KV grade earthed system (heat shrinkable) outdoor type complete with jointing material suitable for HT XLPE cable of size 50-95 sqmm 3 core 11 KV grade earthed system incl taking down old unserviceable HT joint complete all as specified and directed..

Servicing of HT 11 kV RMU 4 way after taking proper shut down and disconnecting all electric supply , maint , cleaning,servicing and testing of HT breaker , bus bar, CTs, PTs, IR value, control cables connections, meters connection, tightening and checking of of AC and DC supply, testing of CT and PT , tightening and checking of control wires and other allied works by authorised dealer / service center / representative, removing moisture and dust from HT breaker and inside of HT breaker through CRC and dry cloths , testing of VI leakage with the help of Hi-Pot @ 10 KV, testing of IR value of breaker, testing and checking of operating mechanism, testing and checking of AC and DC supply, testing of opening release and shunt closing , lubricants of all moving parts,testing and operation of On/Off through TNC switch and push button ,checking of anti-pump device, reapir of racking mechanism, earth alignment,tightening of loose connection and allied work at 11 kV substations complete, all as specified and as directed. Note: (i) Measurment of resistance value, tools , labour, petroleum jelly , dry cloths, nut -boltsare, CRC, washers etc incl in the quoted rates. (ii) Contractor will provide company authorised dealer/service centre test / representative test report of internal resistance of breaker and operating time. (iii) Unserviceable part or items shall be replaced, measured and paid separately under relevent item.

Servicing of HT Vacuum Circuit breaker and HT Panle after taking proper shut down and disconnecting all elctric supply , maint , cleaning,servicing and testing of HT breaker , bus bar, CTs, PTs, IR value, control cables connections, meters connection, tightening and checking of of AC and DC supply, testing of CT and PT , tightening and checking of control wires and other allied works by authorised dealer / service center / representative, removing moisture and dust from HT breaker and inside of HT breaker through CRC and dry cloths , testing of VI leakage with the help of Hi-Pot @ 10 KV, testing of IR value of breaker, testing and checking of operating mechanism, testing and checking of AC and DC supply, testing of opening release and shunt closing , lubricants of all moving parts,testing and operation of On/Off through TNC switch and push button ,checking of anti-pump device, reapir of racking mechanism, earth alignment,tightening of loose connection and allied work at 11 kV substations complete, all as specified and as directed. Note: (i) Measurment of resistance value, tools , labour, petroleum jelly , dry cloths, nut -boltsare, CRC, washers etc incl in the quoted rates. (ii) Contractor will provide company authorised dealer/service centre test / representative test report of internal resistance of breaker and operating time. (iii) Unserviceable part or items shall be replaced, measured and paid separately under relevent item.

Calibration/setting of protection devices, Relays fixed in HT/LT panels with all protection function (overcurrent, Earth fault protection), tripping test of Overcurrent and earth fault realay through primary and secondary injection machine, testing of Auxiliary relay, tripping test through all respected relays and provide report from authorised service dealer/center/representative complete all as specified and directed. Note.(i) All equipments, tools , labour, incl in the quoted rates. (ii) Contractor will provide company authorised dealer/service centre / repre+B23sentative test report of calibration of relay. (iii) Unserviceable part or items shall be replaced, measured and paid separately under relevent item.

M&L for replacement of digital control card for servo controlled stablizer of capacity 63 kVA to 200 kVA incl complete connection, calibration and testing of servo stablizer complete all as specified and directed.

M&L for replacement of digital volt meter for servo controlled stabilizers, HT / LT Panels incl connection, calibration and testing complete all as specified and directed.

M&L for replacement of servo motor for servo controlled stablizer of capacity 63 kVA to 200 kVA incl complete connection, calibration and testing of servo stablizer complete all as specified and directed.

M&L for highly HT insulating opaque red coloured ANTI TRACK COATING SPRAY (SPRAY-320 of MOSIL) that forms flexible chemical resistank coating to class H winding for electrical apparatus, in 500 ml spray bottles to protect HT equipments, bus bar, CTs, PTs from current leakage due to moisture complete all as specified and directed.

S&F in replacement HT bus bar insulator for HT panel suitable for Crompton greaves VCB Panel model UNIVAC and Siemens VCB panel at 11 KV substations complete all as specified and directed.

S&F in replacement of Pole assembly (Vacuum Bottle assembly) complete suitable for Crompton greaves/Siemens VCB at 11 KV substations complete all as specified and directed.

S&F in replacement of unserviceable Strip heaters 80-100 watt , AC 240 volts from HT/LT panel of substations complete all as specified and directed.

S&F in replacement of unserviceable thermostat from HT/LT panel installed at substations complete all as specified and directed.

S&F in replacement of unserviceable TNC switch suitable for Crompton greaves/Siemens/C&S/Havells VCB /ACB panel at substations complete all as specified and directed.

S&F in replacement of unserviceable digital Ammeter suitable for Crompton greaves/Siemens VCB / ACB Panel and Servo stablizer at substationscomplete all as specified and directed.

S&F in replacement of unserviceable LED indicator lamp of different colours(red,green,yellow,white etc) suitable for Crompton greaves/Siemens/Haveels or other make VCB / ACB / Servostablizer at substations complete all as specified and directed.

S&F in replacement of shunt closing coil 24 V /110 V DC /AC suitable for Crompton greaves/Siemens VCB / ACB at 11 KV substations complete all as specified and directed.

S&F in replacement of Geared motor (EL) 220-250 V AC/DC suitable for Crompton greaves/Siemens VCB/ACB at 11 KV substations complete all as specified and directed.

S&F in replacement of tripping coil 24 V / 110 Volt DC/AC suitable for Crompton greaves/Siemens VCB at 11 KV substations complete all as specified and directed.

S&F in replacement of motor cut off switch suitable for Crompton greaves/Siemens VCB at 11 KV substations complete all as specified and directed.

S&F in repair PT fuse of capacity 11 KV suitable to fit on exisitng PTs suitable for Crompton greaves/Siemens VCB at 11 KV substationscomplete all as specified and directed.

S&F in replacement of HRC fuse of capacity 2 Amps Each suitable for Crompton greaves/Siemens VCB at 11 KV substations complete all as specified and directed.

M&L for detecting of fault in HT under ground cable with fault locator equipment to locate the fault in HT cable of length not less than 50 RM complete all as specified and directed. Note :- (a) The fault which is detected through cable fault locater will only be paid under this item (b) Charges of cable fault locator and DG set including transportation charges deemed to be included in the quoted rate. (c ) Earth fault locator will be provided by the contractor for even single fault and no dealy on this account will be acceptable otherwise penality will levied Rs 1000/- per day. (d) Necessary testing of cable after making joint will be deemed to be including in the cost of relevent item. However necessary earth work cable cutting , joint making Joint will be paid under relevant item.

M&L for painting SM/MES no. of Transformers, VCBs, RMU, Servo stabilizer, Lifts, AHUs, Hot water Generatosr, Steam Generator, Laundry equipments, fire pumps, centrifugal pumps and DG sets with each letter size not less than 5 cm on equipment or wall as per requirement complete all as specified and directed.

Supply only Tinned copper fuse wire for HT supply from 10 SWG to 45 SWG complete all as specified and directed.

Supply only in replacement of Blue silica gel 4-6 mesh suitable for transformers breather and protect HT/LT panels from moisture as per site requirement complete all as specified and directed.

S&F in replacement for non-metal part HV bushing complete with packing for outdoor/indoor/canopy type distribution transformer of capacity upto 250 KVA complete all as specified and directed.

S&F in replacement HT, brass bush rod of suitable size for outdoor/indoor/canopy type distribution transformer (11 /0.433 kV) of capacity upto 250 KVA complete all as specified and directed.

S&F in replacement for non-metal part LV bushing with packing for outdoor/indoor/canopy type distribution transformer or servo stablizer of capacity upto 250 KVA complete all as specified and directed.

S&F in replacement LT bush rod made of brass of suitable size for outdoor/indoor/canopy type distribution transformer or servo stablizer of capacity upto 250 KVA complete all as specified and directed.

S&F in replacement top cover gasket of suitable size for outdoor/indoor/canopy type transformer or servo stablizer upto 250 KVA complete all as specified and directed.

M&L for preparing surfaces of transformer or servo stablizer of capacity up to 250 KVA by rubbing old paint and applying two coats of spray painting with grey deco paint from outside, complete all as specified and directed. Note. (i)Painting of transformer/Servo stabolizer will be carried out for plinth mounted and pole mounted transformer. Necessary tools and plants shall be arranged by the contractor without any extra cost.

M&L for heating, filtration and dehydration of transformer oil as per IS : 10028 (Part-III) 1981, Para 5.2 (obtained from transformer/ servo voltage stablizer with dehydration/ filtration plant to achieve dielectric strength of 40KV at 2.5 mm gap, complete all as specified and directed. Note:- Any damage occurred to transformer during the process of dehydration, shall be made good by the contractor to the entire satisfaction of the Eng-in-charge at his own expenses.

Supply and pouring new transformer oil as per IS : 335 (1993) for transformers/servo stablizer installed at various site or in repair for topping up after dehydration to achieve the di electric strength 60 KV at 2.5 mm gap, complete all as specified and directed. Note : Transformer oil shall be brought at site in sealed container from the original manufacturer and shall be opened in front of Engr-in-charge, Container shall be deposited by the contractor to the deptt, which will be returned after completion of conract.

S&F in replacement of breather transparent type suitable for step down distribution transformers of capacity upto 250 KVA to 630 KVA complete all as specified and directed.

M&L for painting of steel tubular HT poles including removing rusted particles and painting with two coats of synthetic enamel aluminium paint over a coat of red oxide including cross arms, supports, clamps, etc and providing different colour strip upto height 1.5 mtr from from coping using synthetic enamel paints complete all as specified and directed. Note: Colour of paint for strips and no of strips will be approved by Engr-in Charge.

Supply, install, test and commission lightening arrestor suitable for HT 11 KV expulsion type 65 KA 11 KV rating incl complete connections in replacement complete all as specified and directed.

The Rahul Vig