REPAIR MAINTENANCE OF POWER TRANSFORMER DISTRIBUTION TRANSFORMER 33 KV 11 KV AND 11 440 VOLT, DEHYDRATION OF TRANSFORMEROIL TESTING OF TRANSFORMER OIL TOP UP REPLACEMENT OF TRANSFORMER OIL AND CERTAIN ALLIED WORKS AT AF STN UDHAMPUR

Amount

Taking down after shutdown and disconnecting existing primary/secondary side of repairable transformer of capacity upto 630 KVA indoor /outdoor type and removing/ taking down for repair from existing cable and including earth wire all as specified and directed by Engr-in-Charge. NOTE :-(i)The contractor shall return the transformer duly repaired with in 20 days other wise a penalty of Rs 1000/- per day will be recovered from the firm. (ii) All type of T &P and safely equipmentshall be provided by the contractor.

M&L for Shifting including loading unloading and transporting to contractor workshop/ Authorised workshop of transformer of size 50 to 630 KVA capacity with suitable arrangement i.e hydra, crane etc. after complete repair and satisfactory restoring from contractor’s workshop to working site including testing etc and reconnecting with existing primary power cable and secondary power cable side & earthing of transformer after taking shut down and including testing & commissioning on existing load in the presence of officer nominated and re-testing at site as per norms and direction of Engr-in-Charge Note :-(i) Winding wire and other items/spares and new transformer oil mentioned in above will be measured and paid separately. (ii) Placing /removing standby transformer in the place of defective transformer under repair including loading /unlaoding, shifting including transportation and make the system/phase sequence etc shall be the responsibility of the contractor, contractor quoted rates shall be inclusive of all these factors.Nothing Extra shall be extra paid to contractor/vendor.

Winding the transformer of size 50 KVA to 630 KVA suitable for secondary original size copper wire complete with all required insulation/ varmishing materials complete all as specified and directed by Engineer-in-Charge.

Winding the transformer of size 50 KVA to 630 KVA suitable for primary original size copper wire complete with all required insulation/ varnishing materials complete all as specified and directed by Engineer-in-Charge.

Winding the transformer of size 50 KVA to 630 KVA suitable for secondary original size aluminium wire complete with all required insulation/ varnishing materials complete all as specified and directed by Engineer-in-Charge.

Winding the transformer 50 KVA to 630 KVA suitable for primary original size aluminium wire complete with all required insulation/ varnishing materials complete all as specified and directed by Engineer-in-Charge .

Supply and fixing secondary stud bush of brass complete with nuts bolts and washers of brass for 50 to 630 KVA Transformer complete all as specified and directed by Engineer-in-Charge

Supply and fixing primary stud bush of brass complete with nuts bolts and washers of brass for 50 to 630 KVA Transformer complete all as specified and directed by Engineer-in-Charge

Supply and fixing synthetic rubberized cord sheet 5 mm thick with suitable holes including replacement of defective nuts and washer of per existing size for 400 to 630 KVA Transformer complete all as specified and directed by Engineer-in-Charge.

Supply and fixing cast iron wheel complete with solit pin etc for transformer 50 to 400 KVA complete all as specified and directed by Engineer-in-Charge.

Temperature gauge circular dia type of standard size and suitable for indoor/outdoor type transformers upto 630 KVA capacity ccomplete all as specified and as directed by Engineer -in-Charge.

S&F in replacement breather assembly CI of standard size filled with dry & blue colour silica-gel for transformer upto 630KVA complete all as specified and directed by Engr-in-Charge.

Material and Labour for Dehydration/centrifuging of Transformer of capacity 3.15 MVA/11 KV to make the oil fit for reuse or oil as per standard procedure upto strength level 60 KV all including Oil topping up (new oil for toping/or for replacement shall be measured and paid separately) etc complete all as specified and directed by Engineer-in-Charge.

Supply and filling of new transformer oil of ISI marked for transformer for topping up levels or for replacement of unfit oil having electric strength not less than 60 KV and shall be confirming to IS 335 complete all as specified and as directed.

Supply and fixing of suitable size of nut bolts/ washers complete all as specified and as directed including taking down old.

Supply and fixing in repair primary bush insulator brass rod of transformer complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing of secondary bush insulator brass rod of transformer complete all as specified and as directed by Engineer-in-Charge.

S&F in replacement tap changer assembly complete for transformer rating upto 63 KVA to 160 KVA, including connecting up with HT coil and testing for varying voltage complete all as directed and specified by Engr-in-Charge.

Description all as per srl item No1.17 here-in-before but for transformer of capacity 200 KVA and upto 315 KVA.

Description all as per srl item No 1.17 here-in-before but for transformer of capacity 400 KVA to 630 KVA.

Disconnecting the all electrical componant from transformer and opening the top cover after taking out the bush/stud and replacement the all gasket and oil seal of bushing and top cover and rectify the transformer at site including repair of leakage of transformer oil in all respect including testing etc complete all as specified and directed by Engr-in-charge of capacity 63 to 630 KVA transformer. Note :-(i) All spare parts required during maintenance shall be measured and paid separately). (ii) All T & P and safely equipment shall be provided by the contractor

M&L for Silica gel (deep sky blue colour) for replacement in breathers of indoor/outdoor type transformer complete all as specified and directed by Engr-in-Charge.

"M&L for spray painting of transformer of capacity 63 KVA to 630 KVA by removing old paint by scraping etc and applying two coat approved enamelled synthetic paint over one coat of red oxide paint compete all as specified and directed"

Capacity of 630 KVA

Capacity of 400 KVA

Capacity of 300 KVA

Capacity of 200 KVA

Capacity of 160 KVA

Capacity of 100 KVA

Capacity of 63 KVA

Taking up proper shut down as per IE SOP/guidelines and disconnecting up the LT and HT electric mains from transformer of capacity 3.15 MVA removing the lid/cover, bush/stud, gasket,rectify oil leakage of transformer and oil seal of bushing for inspection at site and to facilitate minor repairs after draining out the transformer oil, reassembling the transformer, refilling the transformer oil (new or old) & centrifusing/ dehydration of transformer oil and being topping up ,installing, commissioning and testing at site complete all as specified and directed by Engr-in-Charge. Note: All the parts required to be replaced during maintenance shall be measured and paid separately.

Supply and fixing new breather dully filled with activated agent ie silica gel for transformer of cap upto 3.15 MVA complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement LV Bushing (11 KV side) of 33 KV Transformer complete with brass/tinned copper rod including nuts, gasket, check nuts and washers complete matching with existing make and type both end threaded of transformer outdoor rating to 3.15 MVA in replacement, complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement HV Bushing (33 KV side) of 33 KV Transformer complete with brass/tinned copper rod including nuts, gasket, check nuts and washers complete matching with existing make and type both end threaded of transformer outdoor rating to 3.15 MVA in replacement, complete all as specified and directed by Engr-in-Charge.

M & L for concrete graded stone aggregate using 40 mm to 63 mm grade, loose filling around distribution transformer, yard, MRS transformer and GOD after scarification and stacking the existing aggregate, removing grass/wild in panels/eqpt & relaying new & old aggregate complete all as specified and directed by Engr-in-Charge. Note : The payment shall only be allowed for new aggregate brought and filling in the yard etc.

Platform for transformer plinth of size 3.0 x3.0 x 1m high from GL including excavation and earth work in trenches in any type of soil ,PCC 1:5:10 type E2 for foundation, brick work in cm 1:6 PCC, 1:2:4 type B-1 as in copping, plaster of 10mm thick in cm 1:6 on brick surface/complete with 75 mm thick PCC 1:4:8 type D-2 as in sub base of floor with topping of, PCC 1:2:4 type B-1 100 mm thick in floor and finished fair( without using extra cement) returning filling in and removal of surplus to a distance n.exc 50m chain link fencing for the transformer plinth of 1.8 m high made out of 4 mm dia GI wire 150x100 mm mesh with ms angle iron 50x50x6mm as in fencing post and embeded in PCC 1:2:4 type B-1 30X23X30cm block at 2 mtr interval each side as approved with 1 No steel gate (3.5 m clear) span with locking arrangement made out of 15 mm dia ms rod 50x50x6mm angle iron frame and painting the steel surface with 2 coat of aluminium paint over a coat of red oxide primer and 3 coats of white washing on cement work including ISMB 100 mm chanel 2 Nos for fixing transformer complete all as specified, and as directed. completer all as specified and directed by Engr-in-Charge.

M&L Earthing complete as per electrical plate No 5 of MES SSR Part I with galvanised steel plate earth electrode 60 cm x 60 cm x 6.0 mm, burried directly vertically in ground in a pit of depth not less than 2.5 metres below ground level with the top edge of earth plate at a depth not less than 1.5 m below normal ground level connected to and including galvanised iron or steel earth strip 32 x 6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel. Earthing strip protected by galvanised iron or steel pipe 50 mm bore medium grade and connected to continuous earth wire on pole/ test point. Watering pipe shall be 20mm bore GI medium grade. The earthing shall be inclusive of excavation and earth work in any type of soil, charcoal, salt, funnel , PCC pit and RCC cover complete all as specified & directed by Engr-in-Charge. Note 1- following items deemed to be included in quoted rate (a) Earth electrode. (b) Main earthing lead from earth electrode to test point and further to equipment to be earthed upto 7.5 metre. (c) Material and labour for connecting earth electrode and earthing lead as specified. (d) Adequate quantity of charcoal, dust, common salt and ground enhacement material as required to bring the earthing resistance as per direction. (e) All labour involved including testing of earth net work. (f) Excavation and earth work or drilling hole for electrode. (g) P.C.C. pit and C.I. cover. (h) Funnel with watering pipe, wire mesh and copper lugs etc. as specified. (j) G.I. protection pipe of size ordered specified for protection of earthing lead from mechanical injury or tempering. Note 2 - On testing after completion if the desired earth resistance is not obtained the earthing will be redone at no extra cost.

M&L Earthing complete as per electrical plate No 5 of MES SSR Part I with copper earth plate earth electrode 60 cm x 60 cm x 3.15 mm, burried directly vertically in ground in a pit of depth not less than 2.5 metres below ground level with the top edge of earth plate at a depth not less than 1.8 m below normal ground level connected to and including cupper earthing strip 20 x 3 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel. Earthing wire protected by galvanised iron or steel pipe 50 mm bore medium grade and connected to continuous earth wire on pole/ test point. Watering pipe shall be 20 mm bore GI medium grade. The earthing shall be inclusive of excavation and earth work in any type of soil,charcoal, salt,funnel , PCC pit and RCC cover complete all as specified & directed. Note 1- following items deemed to be included in quoted rate (a) Earth electrode. (b) Main earthing lead from earth electrode to test point and further to equipment to be earthed upto 7.5 metre. (c) Material and labour for connecting earth electrode and earthing lead as specified. (d) Adequate quantity of charcoal dust and common salt as per direction. (e) All labour involved including testing of earth net work. (f) Excavation and earth work or drilling hole for electrode. (g) P.C.C. pit and C.I. cover. (h) Funnel with watering pipe, wire mesh and copper lugs etc. as specified. (j) G.I. protection pipe of size ordered specified for protection of earthing lead from mechanical injury or tempering. Note 2 - On testing after completion if the desired earth resistance is not obtained the earthing will be redone at no extra cost.

Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles with the help of insulator or any other indicated situation for loop earthing etc and provision of brass/copper nuts, bolts washers etc wherever required and making joints as required 32 x 6 mm galvanised iron strip complete all as specified and directed by Enginer-in-Charge.

"M&L cable route marker made of cast iron 100 mm diameter fixed on angle iron 40x40x6 mm, 75mm, long including mounting on PCC block of size 300x300x300mm using PCC 1:2:4 type B-1 suitable for HT Cable in appropriate colour with marking of " HT Cable" including excavation etc for fixing complete all as specified"

Supply and fixIing Heat shrinkable end joint kit for 11 KV grade cable for out door end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 50 to 95 sq mm including taking down old. NOTE:- Item rate quoted including required T&P/Refixing & Refilling in the panel/pole.

Supply and fixIing Heat shrinkable end jointing kit for 11 KV grade cable for out door end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 120 to 185 sq mm including taking down old. NOTE:- Item rate quoted including required T&P/Refixing & Refilling in the panel/pole.

Supply and fixIing Heat shrinkable end jointing kit for 11 KV grade cable for out door end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 240 sq mm including taking down old. NOTE:- Item rate quoted including required T&P/Refixing & Refilling in the panel/pole.

Supply and fixIing Heat shrinkable cable end jointing kit for 11 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 50 to 95 sq mm including taking down old. NOTE:- Item rate quoted including excavating/required T&P/Refixing & Refilling.

Supply and fix Heat shrinkable cable end cable jointing kit for 11 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 120 to 185 sqmm including taking down old. NOTE:- Item rate quoted including excavating/required T&P/Refixing & Refilling.

Supply and fixing Cable jointing kit for 1.1 KV (earthed) grade cable for outdoor / indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3.5 /4 core XLPE armoured aluminium conductor cable of size 70 to 150 Sqmm complete all as specified and as directed.

Supply and fixing Cable jointing kit for 1.1 KV (earthed) grade cable for outdoor / indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3.5/4 core XLPE armoured aluminium conductor cable of size185 Sqmm complete all as specified and as directed.

Supply and fixing Cable jointing kit for 1.1 KV (earthed) grade cable for outdoor / indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3.5/ 4 core XLPE armoured aluminium conductor cable of size 35 to 50 Sqmm complete all as specified and as directed.

Supply and fixing of 11 KV HT LBS Panel, 630 Amps, 26.3 KA with Fuse trip, Earth Switch, dynamic mimic arrangement, 230 V AC Shunt Trip Coil and 2 NO + 2 NC Aux contacts, outdoor Unit fabricated out of 14 SWG CRCA steel or MS steel enclosure suitable for outdoor type installation with MS Base Channel. The panel contains the equipments & components complete with copper bus bar interconnections, designation labels caution notices, EB sealing and pad locking facilities wherever required. Platform for LBS panel plinth of size 2.0x2.0x0.60 mtr high from GL including excavation and earth work in trenches in any type of soil, PCC 1:5:10 type E2 for foundation, brick work in cm 1:6, PCC 1:2:4 as in coping, plaster of 10 mm thick in cm 1:6 on brick surface and necessary space is provided for entry of HT cables from Bottom through detachable gland plates. The panels is finished with powder coated paint - Siemens Grey Ral 7032 and the panels is consisiting of following accessories :- (a) On load Break switch with fuse trip mechanism, 3 phase, 630 A-1 No. (b) HRC Fuses with tripping striker pin, 11 KV, Suitable Amps - 03 Nos (c) Copper Bus Bar 50 x 12 mm, suitable rating, 3 P, Air insulated with colour coded RYB Heat shrinkable sleeves (d) Earth bus 40 x 6 mm Copper bus bar (e) Bus Bar supports : Resin Cast

M & L for PCC 1:3:6 type C2 with using 40 mm graded aggregate as in foundation of broken transformer plinth with necessary form work complete as specified and directed by Engr-in-Charge.

M&L for type PCC 1:2:4 type B-1 using 20 mm graded stone aggregate in coping etc for broken transformer plinth including necessary form work complete all as specified and directed by Engr-in-Charge.

M&L for bricks works with sub class B bricks straight or curved on plan exc 6m means radius built in cement mortar 1: 6 etc complete as specified and directed by Engr-in-Charge.

10 mm thick rendering on fair faces of brick or concrete surfaces in cement mortar 1:6, finish surfaces even and smooth without using extra cement, complete all as specified and as directed by Engr-in-Charge.

M & L for Brazing/Welding work with GI brazing/Welding alloy rod with the help of oxygen and LPG cylinder using required Galvanised Iron/Alumining/Copper of size 20 mm x 3 mm upto 30 cm length along with cleaning work of strip with descaling solution/emery paper all as specified and directed by Engineer-in-Charge.

M & L for Brazing/Welding work with GI brazing/Welding alloy rod with the help of oxygen and LPG cylinder using required Galvanised Iron of size 32 mm x 6 mm upto 30 cm length along with cleaning work of strip with descaling solution/emery paper all as specified and directed by Engineer-in-Charge.

M & L for MS plate made of 1.6 mm thick of size 30 cm x 15 cm fixed with suitable size ms flat iron with down rod 50 cm lenght & dia not less than 10 mtr, nut, bolt & washer along with PCC and necessary civil work and painted with red colour synthetic enamelled paint and write 8 cm height letter in white colour (feeder Name)/ Earthing name and value as directed by Engr-in-charge

M&L for disconnecting burnt end portion of 95 sqmm to 120 sqmm 3/3.5 core cable removing the cable from loop including necessary excavation, earthwork, removing brick protection and relaying the same, and reconnecting the cable by removing burnt portion of cable/ transformer/panel/pole etc complete all as specified and directed by Engr- in -charge

Supply, fixing in repair and testing and commissioning of air break gang operated switch, triple pole mechanically operated out door type with all fittings/accessories mounted on and including 11 KV HT 15 Nos porcelain insulators of rating up to 200 Amps complete with drop out fuse assy having fuses of rating 40 Amps and steel channel frame, GI operating rod 25 mm dia of suitable length with operating mechanism worked form ground level, vertically operated including locking arrangement & operating handle, with and including padlock complete all as specified and as directed by Engr-in-Charge.

M&L 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 primer coat, one under coat and one finishing coat of paint complete all as specified and as directed by Engr-in-Charge.

Supply and Fixing in repair of Lightning arresters expulsion type complete (Each Set -03 Nos ) with all fittings, transmission class, discharge capacity 65 kilo amp and hight current with stand 100 KA outdoor type for 11000 volts, including clamps, nuts and bolts, washers and connection to earth wire 4 mm GI strip to Lightning arrester complete all as specified and directed by Engineer-in-Charge.

M & L Danger notice plate made of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters , figures and conventional skull and bones in signal red colour and fixed with M.S clamps , bolts and nuts of approved size, for HT, 25mmX20mmX 1.6mm size complete all as specified and directed.

Excavation in trenches not exceeding 1.5 meter wide and not exceeding 1.5 meter deep and getting out in soft/loose or any type of soil including boulder for taking up or laying of cable complete all as specified and directed by the Engr-in-Charge.

Returning filling in soils including spreding, leveling, watering and well ramming in layers not exc. 25 cm thick complete all as specified.

Removing surplus soil to a distance not exceeding 50 meter and sepositing where directed at a level not exceeding 1.5 meter above the starting point.

Supply and laying new dry sand or Dry coarse sand as cushioning to cable 8 cm below the cable and 15 cm above the cable and punned to 18 cm as cable cushioning and coverning all as specified and as directed. Note:- Punned quntity will be measured and paid at this item.

Supply and laying in replacement of un-reinforced precast concrete cable cover, class HVP, type 1 with peack, size 300mm x 180mm x 40 mm inluding taking down old UNSV cable cover complete all as specified and directed by Engineer-in-Charge.

Supply and fixing of Brick tiles; common burnt clay building /ducts bricks’ sub-class `B’ Designation 75 (230mmx115mmx75mm)

S&F in GI tube light grade of size 50 mm with all fittings laid in trenches or fixed to walls or fixed in above the existing strip and ceiling or laid in floor for cable crossing including cutting of bitumen roads/PCC and making good after laying of cable including taking down complete all as specified and directed..

S&F in GI tube light grade of size 80 mm with all fittings laid in trenches or fixed to walls and ceiling or laid in floor for cable crossing including cutting of bitumen roads/PCC and making good after laying of cable, including taking down complete all as specified and directed

Supplying, laying, jointing, testing and commissioning HT under ground electric power cable Crossed linked polyethylene (XLPE) insulated, screened PVC bedded, galvanised steel strip or wire armoured electric power cable (heavy duty) with aluminium conductor, 11000 Volts grade suitable for earth system of 3 core 95 Sq mm cross sectional area size, ISI marked as per IS 7098 Part-2, laid in trenches/ laid under floor/ laid in ducts or fixed on poles etc. complete all as specified and directed.

Taking down and Re-laying of HT cable of any size after rectify the fault or Laying of XLPE insulated, PVC bedded, galvanised steel strips armoured heavy duty electric power cable with stranded aluminium conductor suitable for rated voltage of 11000 Volt grade, 3 Core 95 Sqmm to 3 Core 185 Sqmm including jointing and testing, laid in trenches / ducts / pipe or on poles complete all as specified and directed.

Taking down and Relaying of Lt cable of any size after rectify the fault or Laying of XLPE insulated, PVC bedded, galvanised steel strips armoured heavy duty electric power cable with stranded aluminium conductor suitable for rated voltage of 1100 Volt grade, 3.5 Core 50 Sqmm to 185 Sqmm including jointing and testing, laid in trenches / ducts / pipe or on poles complete all as specified and directed. Notes for Serial Item No '38' & '39' : 1. For laying only, XLPE Cable will be issued 'Free for Fixing' under Schedule 'B' or existing underground cable shall be used as directed by Engr-in-Charge. 2. Quoted rates shall be inclusive of cutting of cable, provision of thimbles, lugs, stainless steel cable gland for connecting cable IN / OUT from Panels and Feeder Piller Boxes as per Site requirement. 3. The crimping shall be done only by Hand Operated / Hydraulically Operated Crimping Tool after applying conducting jelly and no other method will be allowed. 4. Extra use of cable shall be measured & paid separately in case of non availability of EM store.

PROACH ASSOCIATES BUILDERS & ENGINEERS

slathia construction works

DAVINDER SINGH

ANIKET TRADERS

MOHAN LAL AND SONS

M/S DHARAM & SONS ENTERPRISES

Bidder Name

slathia construction works

MOHAN LAL AND SONS

ANIKET TRADERS

LUXMI ELECTRONIC WORKS

DAVINDER SINGH

PROACH ASSOCIATES BUILDERS & ENGINEERS

M/S DHARAM & SONS ENTERPRISES