COMPREHENSIVE MAINTENANCE OF TRANSFORMER, LT PANEL AND CONNECTED WORKS IN TECHNICAL AREA AT AF STN NAL

Amount

Dismantling and taking down by removing HT and LT connection of indoor /outdoor type 11/0.433 KV transformer of capacity up to 200 KVA from existng platform/4 Pole/inside sub station Lowering the same carefully and shifting to other location within Air force station(both tech & resdential) as directed by Engineer-in-charge with and including re-installation by means of arrangement and testing and including additional/alteration foundation according manufactures complete all as specified and directed . Note : (a) Installation of transformer , testing and connecting the both HT/LT cables , commissioning of transformer after checking voltage and loading at full load shall deemed to be included in quoted rates .(b) Contractor shall provide necessary tripod, chain & pulley, T&P, etc for transportation, the rent and foundation for additional/alteration shall deemed to be included in the quoted rate.

All as per item Srl No 1.00 above but capacity of transformer more than 200 KVA and upto 500KVA complete all as specified and directed .

Dismantling and taking down by removing HT and LT connection of indoor/outdoor type 11/0.433 KV transformer of capacity up to 200 KVA from existng platform/4pole structure/inside sub stn and lowering the same carefully and depositing to MES Yard complete all as specified and directed by Engineer-in-charge. Note : Contractor shall provide necessary tripod, chain & pulley, T&P, etc for transportation and the rent shall deemed to be included in the quoted rate.

All as per item Srl No 3.00 above but capacity of transformer more than 200 KVA and upto 500KVA complete all as specified and directed .

Labour for grass cutting and cleaning garbage from near by transformer/RMU/VCB/Panel or electrical installation and dumping or burried in ground for suitable place with complete all as specified and directed.

Taking out existing un-servicable LT cable of any size with disconnecting electrical connection from panel/transformer/VCB/RMU etc and Re-laying the old serviceable cable ( received from item no 7 to 11) in trench with suitable depth including re-connection of cable with existing transformer/RMU/Panel etc with complete testing & commissiong all as per specified and directed. Note: Cost of Material and labour for excavation, returning filling, removing, sand cushioning and bricks will be paid separetely in respective items.

Material and labour for disconnecting from the transformer /panel board, cutting off worn out aluminium cable end and Supply, laying and testing in replacement cable XLPE Insulated ,screened, PVC bedded,galvanized steel strip or wire armoured,electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 70 sq mm 3.5 core including taking out existing cable

All as above per item Srl No 7.00 here-in-before but size 95 sqmm, 3.5 core.

All as above per item Srl No 7.00 here-in-before but size 120 sqmm, 3.5 core.

All as above per item Srl No 7.00 here-in-before but size 150 sqmm, 3.5 core.

All as above per item Srl No 7.00 here-in-before but size 185 sqmm, 3.5 core.

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in soft loose soil for laying / taking up/ taking down of cables and getting out and levelling of bottom suface to required level all as specified and directed by Engineer- in- Charge.

Returning filling in Including spreading, levelling. Watering and well ramming soil in layers not exceeding 25 cm thick all as specified and directed.

Removing excavated material (ie soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting point all as specified and directed by Engineer-in-Charge.

Material and labour for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc, complete all as specified. Note: Punned thickness shall be measured

Supply and fixing sub class B bricks having minimum compressive strength 75 Kg/ Sqcm laid in trenches for cable protection etc complete all as directed by Engineer-in-Charge.

Servicing of distribution transformer step down 11 / 0.433 KV indoor /outdoor type of capacity upto 200 KVA after dismantling the transformer carefully at the site or workshop , opening the top cover of transformer for inspection/repair, draining out the transformer oil from the housing complete,removing the carbon/sludge (which deposit in transformer housing core), replacement of unserviceable rubber bushes and washers, replacement of tap changer winding and thimbles, replacement of silica gel and gasket set of top cover including pasting with pasting material,replacement of worn out nut and bolts , replacement of unserviceable of LT & HT bushes, replacement of conservative tank glass ,making all connection with suitable copper lugs ,filling of new transformer oil , re-installing the top cover after cleaning conservator tank ,expulsion vent etc ,Meggering the LT and HT side of the transformer and testing complete all as specified and directed by Engineer-in-charge . Note :(i) Consumables like nuts bolts and washers are incluisive in th quoted rates,However other items shall be measured and paid separately in the respective items under. (ii) Joint shall be leak proof and any leakage noticed after repair work shall be rectified by the contractor without any extra cost to the deptt. (iii) Contractor shall provide necessary tripod, chain & pulley, T&P, etc for transportation and the rent shall deemed to be included in the quoted rate.

All as per item Srl No 17.00 above but capacity of transformer more than 200 KVA and up to 630 KVA complete all as specified and directed .

Supply and fixing in replacement brass terminal rod with nuts , bolts washer and bushing suitable for HT and LT side of the transformer of any make and capacity upto 200 KVA complete all as specified and directed .

All as per item Srl No 19 above but capacity of transformer more than 200 KVA and upto 630KVA complete all as specified and directed .

Supply and fixing in replacement tap changing switch suitable for operation on 11/0.433 KV distribution transformer with tapping's on 2.5% , 5% and 7.5% on requirement basis for upto 630 KVA capacity transformer complete all as specified and directed .

Supply and Filling in replacement superior quality silica jel inside the breather assembly and fixing properly with transformer complete all as specified & directed.

Supply and fixing in replacement oil valve for drain out/filling in screwed both ends with iron wheel head suitable for transformers up to 200 KVA capacity complete all as specified and directed.

All as per item Srl No 23.00 above but capacity more than 200 KVA and upto 630 KVA complete all as specified and directed .

Material and labour for fabrication HT / LT side box covers made of bakelite sheet 10 mm thickness with proper nuts bolts incl cutting sheet to required size , drilling holes for nuts/bolts etc complete all as specified and directed.

Supply and fixing in replacement oil temperature gauge 0 -120 degree analogue dial type for transformer complete all as specified & directed

Material and labour for filtration and dehydration of transformer oil by dehydration machine to achieve the die-electric strength / strength/insulation value upto 65 KV/40KA (RMS) at standard gap of electrodes 2.5 mm for one minute in various capacity of transformers including insulation testing of oil with the help of suitable equipments before and after dehydration including BDV test complete all as specified and directed . Note : (i) Contractor will have to arrange the dehydration machine and transformer oil dielectric strength testing equipment as mentioned and same shall be deemed to be included in the item rate quoted . (ii) Test result report of transformer oil before and after dehydration is required to submit by contractor duly signed by all concern . (iii) The contractor shall ensure that the conservator tanks are full to its level before commencement of dehydration process . (iv) additional quantity of transformer if any required for making the oil level upto the requirement in transformer shall be measured and paid separately as supply and filling but its cost of heating shall be deemed to be included in the rate quoted for above item .

Supply and filling transformer power oil meeting IEC 60296-2003-11 , 3rd edition standard specification and ASTMD 1275B test requirement for corrosive sulphur of BDV not less than 65KV for filling in repaired transformer HT 11KV complete all as specified and as directed .

Disconnecting electrically and mechanically indoor/outdoor transformer connections at site upto 630 KVA capacity and re-connecting electrically and mechanically, testing and commissioning of transformer carefully after including minor repairs complete all as specified and directed.

Material and labour for draining out complete transformers oil from the transformers upto 630 KVA capacity at site which found repair and storing the oil in suitable container (container to be provided by the contractor to keep aside for re -use (after repair) and lifting of core assembly by opening of top cover and other items for checking of faults/repair and make it ready for transportation complete unservcieable transformer to carry out rewinding work in workshop including disconnecting of transformer electrically and mechanically, transportation of unservicieable transformer upto 630 KVA capacity to workshop ( rate is deemed to be inclusive of transportation , T&P and man power ) complete all as specified and directed.

Re-installation of repaired transformer capacity up to 630KVA after repair/rewinding connecting electrically and mechanically, testing and commissioning complete all as specified and directed.

Material and labour for alternative arrangement by hiring, transportation of transformer of capacity upto 250 KVA in place of unserviceable transformer on hire basis for 15 days including, installation, connecting and testing of transformer and return back after installation of repaired transformer complete all as specifed and directed. Note : (i) Repairing of transformer have to be completed within 15 days no extra cost will be paid toward hiring charges beyond 15 days . Moreover contractor shall not be allowed to shift the hired transformer until it is replaced by the repaired transformer . In case any fault /burning /peeling of painting and any other defects occured in hired transformer the contractor shall have to made good himself from his own expenses. (ii) Contractor should check the available infrasturcture and to be sure regarding safety of hired transformer before installation . The rate quoted is deemed to be include transportation cost, earthing lead etc. (iii) In case the defective transformer not repaired & installed on its site within the specified period of 15 days from the date of handing over to contractor a panelty recovery @ Rs 1000 /- per day will be charged from his dues. During this period contractor shall not be allowed to shift the hired transformer until it is replaced by the repaired transformer . No extra cost beyond 15 days will be paid to contractor on this account.

All as per item Srl No 32.00 above but capacity of transformer more than 250KVA and up to 630 KVA.

Taking down the unserviceable copper winding from transformer of capacity upto 250 KVA, opening top cover, and carrying out the following work complete all as specified and directed :- (a) Dismantling of all attachment viz breather assembly, conservator, oil temperature gauge, HT/LT bushing etc. and keeping aside for reuse. (b) Taking out the core with winding assembly. (c) Removing of complete winding from core and dismantling the core, cleaning of core laminate sheet and keeping aside for reuse (d) Cleaning of complete transformer tank oil fins, removing of sludge, and making the inside surface of tank dry by blowing of hot air as directed and specified. (e) Painting of outside surfaces of transformer complete by means of spray machine as directed.

All as per item Srl No 34.00 above but capacity of transformer more than 250KVA and up to 630 KVA.

(a) Repairs to the transformer of capacity upto 250 KVA as follows :- (i) Rewinding of HT/LT leg coil complete using copper wire /strip of appropriate gauge, size and turn as per existing with double paper coated insulation including all requisite insulating materials like packing sleeves, separator, tapes etc. heating, varnishing the core and winding assembly after framing up top and bottom steel structure of transformer all as specified and directed. (ii) Replacement of all insulating materials other than incorporated for rewinding of HT/LT coils as per existing. (iii) Fixing only HT procelain bushing with studs, nuts, washers and LT procelain bushing with studs, nuts, and washers and connection with primary and secondary windings and reconnecting with the main terminals as required and directed. (iv) Fixing only breather assembly, conservator, oil temperature gauge after proper cleaning, minor repairs etc. as required and directed. (v) Replacement of all unserviceable gasket from top cover, HT/LT bushing with new one by using rubberised gasket sheet 4.0mm/6.0mm thick duly pasted with suitable adhesive . (vi) Replacement of unserviceable bolts with new one and fixing of existing serviceable bolts, nuts, washers of different sizes and tightening properly. (vii) Re-positioning of core and winding assembly inside the tank, assembling complete unit and making the transformer ready for filling oil and subsequent testing as directed.

(b) M& L for transportation of repaired transformer to the original position (from where taken-down), disconnecting the alternative transformer, taking down the same,Re-installation of repaired indoor/outdoor transformer on 4/6 pole structure/plinth/inside sub station, connecting electrically and mechanically, testing and commissioning complete all as specified and directed. (c) The contractor shall give written warranty of one year from the certified date of completion for the repaired transformer. Note :- HT/LT leg coils and transformer oil required for top up shall be measured and paid separately under relevant items of this Schedule here-in-after as supply only.

All as per item Srl No 36.00 above but capacity of transformer more than 250KVA and up to 630 KVA.

Supply only super enameled copper conductor wire of suitable gauge and size as per requirement for rewinding of 11/0.433 KV distribution transformer complete all as specified and directed .

Supplying and fixing in replacement, Porcelain Transformer bushing on LT (440 Volt) side, including brass stems conical bush and gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 160 KVA and re-connecting electrically and mechanically, testing complete all as specified and directed. Note.The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers and suitable size pad type bus bar almuminium and nut bolt washers.

All as per item Srl No 39.00 above but capacity 200 KVA to 315 KVA

All as per item Srl No 39.00 abov but capacity 400 KVA to 630 KVA

Supplying and fixing in replacement, Porcelain Transformer bushing on HT (11 KV) side, including brass stems conical bush and gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 160 KVA and connecting electrically and mechanically, testing complete all as specified and directed. Note.The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers and suitable size pad type bus bar almuminium and nut bolt washers and reconnection

All as per item Srl No 42.00 above but 200 KVA to 315 KVA

All as per item Srl No 42.00 but 400 KVA to 630 KVA

Supplying and fixing in replacement, all unserviceable gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 200 KVA and re-connecting electrically and mechanically, testing complete all as specified and directed. Note. (i) The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers etc. (ii) Joint shall be leak proof and any leakage noticed after repair work shall be rectified by the contractor without any extra cost to the deptt.

All as per item Srl No 45.00 above but more than 200 KVA and up to 630 KVA

Supply and fixing in replacement, Silica Gel Breather assembly including vent pipe and Silica Gel for indoor/outdoor transformers, capacity upto 200 KVA complete all as specified and directed.

All as per Serial item No 47 here-in-before but capacity more than 200 KVA and up to 630 KVA

Supply and fixing in replacement 3mm thick Sheet glass (each not exceeding 0.9 Sqm) ordinary quality and glazing with oil putty on cabin of OTI and WTI gauge of transformer upto capacity 630 KVA complete all as specified and directed.

Supply and fixing in replacement thermometer of transformer upto capacity 630 KVA complete all as specified and directed.

Material & Labour for painting of transformer of capacity upto 200 KVA with existing colour, with spraying machine, after cleaning, preparation of outer surface of transformer, including writing of SM No, MES and capacity of transformer complete all as specified and directed.

All as per item Srl No 51.00 above but capacity more than 200 KVA and up to 630 KVA

Earthing complete with galvanized steel earth plate electrode of size 60cmx60cmx6 mm thick, buried directly in ground (earth pit not less than 3.5 m below normal ground level) with top edge of earth plate not less than 2.5m below normal ground level, connected to galvanized iron strip 32X6 mm by means of electric arc welding of galvanised iron or steel as shown in electrical plate No 3 of SSR Part I, connected to earth test point and the equipment on the other side complete all as specified, including testing and commissioning complete all as directed. Note : (a) The unit rates quoted against this item shall be deemed to include the cost of excavation and earth work in any type of soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 40 mm bore GI pipe light grade etc. (b) The quoted rates shall also deemed to include the cost of earth test point and earth strip/GI earthing and protection pipe upto 7.5 meter beyond the earth plates electrode.

Material and labour for 32x6mm galvanised iron strip for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in pipe or any other indicated situation for loop earthing etc complete all as specified and directed.

Supply and fixing in repair/repalcement welded steel wire fabric n. exc 4 kg/ sqm complete to wood or steel members including painting of new welded steel wire fabric surface, by applying two coat of synthetic enamel paint after preparation by scraping/brushing and cleaning on new or previously untreated steel surface over a coat of primer (red oxide zinc chrome type) including necessory preparation complete all as specified and directed.

Material and labur for steel section posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc. flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 including painting of new steel surface, by applying two coat of synthetic enamel paint after preparation by scraping/brushing and cleaning on new or previously untreated steel surface over a coat of primer (red oxide zinc chrome type) including necessory preparation complete all as specified and directed.

Material and labour for spreading of natural gravel nominal size not more than 50mm from the bay/yard manually without damaging any equipments, cable or parts of the 11 KV RMU/Transformers, spreading & levelling of finished gravel uniformaly in layers n. exc. 15 cm thick watered and rammed to true surface all as specified and directed

Servicing of voltage stabilizer by Disconecting the LT incoming and outgoing main cables of any size ,strip opening of the voltage stablizer of capacity from upto 200KVA , draining out the oil into a cleaned container (The container shall be arranaged by the contractor ).Lifting up dimmer and transformer with help of tripoid and chain pulley etc (The T & P shall be arranged by contractor ),checking of all the parts ,cleaning and servicing of the container,dimmer,transformers coil and allied parts including replacememnt of minor parts like nut bolts ,connecting wires ,rubber seals /packing etc. and reassembling the volt stablizer complete (in reverse order.).Refilling oil after dehydration and filtration/cleaning by centrifuging machine including testing of samples before and after dehydrations and filtration complete, and reconnecting the incoming and outgoing cable connection, commisioning and testing of the volt stablizer on load complete all as specified and directed. Note: (I) The cost of dehydration of oil shall be measured and paid under respective item of schedule (ii) The repair/ replacement of the major parts shall be measured and paid seperately )

Material and labour for preparation of old painted surfaces steel by brushing/changing stain, greasy spots with thinner and apply two coats of spray painting with with super enameled smokes grey colour paint of approved by Dept. and writing the MES /SM No with white paint as directed to Servo Volage Stab. indoor/outdoor of capacity upto 200 KVA installed at various different locations complete all as specified and directed at site.

Supply and fixing in replacement of digital display unit (Auto control card) suitable for servo type voltage stabilizer with complete wiring suitable for 40 to 200 KVA stablizer. complete all as specified and directed.

Supply and fixing in replacement of Dimmer coil (Variable transformer) suitable for servo voltage stabilizer with complete wiring suitable for 40 to 200 KVA complete all as specified and directed.

Supply and fixing in replacement of motor gear assembly suitable for 40 to 200 KVA capaicty servo type voltage stablizer complete all as specified and directed.

Supply and fixing in replacement of Dimmer gear assembly suitable for 40 to 200 KVA capacity servo type voltage stabilizer complete all as specified and directed.

Supply and fixing in replacement of Panel lamp for servo type voltage stablizer 40 to 200 KVA capacity complete all as specified and as directed.

Supply and fixing in replacement of Ammeter of Range 0 to 500 Amps with suitable size of C.T. (Digital type) for servo type voltage stablizer 40 to 200 KVA capacity complete all as specified and as directed.

Supply and fixing in replacement of Servo motor 10 K.G. torque for servo type voltage stablizer 40 to 200 KVA capacity complete all as specified and as directed.

Supply and fixing in replacement of Carbon Brush for servo type voltage stablizer of 40 to 200 KVA capacity complete all as specified and as directed

Servicing of isolation transformer indoor /outdoor type of capacity upto 200 KVA after disconnecting electrically and mechanically, dismantling carefully , opening the top cover of transformer for inspection/repair, draining out the transformer oil from the housing complete , taking out the core and winding by disconnecting the internal connections , removing the carbon/sludge deposit in transformer housing core , replacement of unserviceable rubber bushes and washers, thimbles, silica gel,top cover gasket set including pasting with pasting material,replacement of worn out nut and bolts , replacement of unserviceable LT connector , cutting the burnt out winding and re-winding the same with suitable size of super enamelled copper wire as per existing gauge , insulating the winding connection by using fire proof sleeves and fire proof tape , varnishing the coil , keeping the coils in electric oven chamber for 24 hrs to remove the moisture , painting of complete body , marking MES/SM number etc replacement of conservative tank glass , re-installing thr core and winding inside properly , making all connection with suitable copper lugs ,filling of new transformer oil , re-installing the top cover after cleaning and painting of housing , conservator tank ,expulsion vent etc ,with testing and commissioning complete all as specified and directed by Engineer-in-charge . Note : (i) Winding wire for making of coils ,HT/LT bushes , new transformer oil will be measured and paid separately . (ii) Contractor is required to submit test report for the repair duly signed by Engineer-in-charge before re-installation . (iii) Cost of transportation shall be included in the unit quoted rate .

Material and labour for preparation of surfaces for Isolation Transformer of any type of capacity upto 200 KVA , painting by scrapping damaged paint and painting with two coats of suitable paint as per existing one and writing MES/MS No with white paint on black circuit all as directed by Engineer-in-Charge.

Materials and labour for PCC (1:2:4) type B-2 (using 40 mm graded stone aggregate) as in foundation filling and mass concrete including demolition of existing foundation ( n exc 15 cm thickness) and removing from site complete all as specified and as directed.

Demolition of brick or stone masonary built in cement mortar incl all quoins, arches, pillar etc. complete all as specified & directed.

Material and labour for brickwork with sub class 'B' bricks, straight or curved on plan exc 6m mean radius ,built in cement mortar 1:6 .

Material and labour 100mm thick cement concrete type D-2,1:4:8 (using 40mm graded crushed stone aggregate )as in sub base complete all as specified and as directed by Engineer-in-charge.

Material and labour for plastering 10 mm thick on fair faces of brick work in cement mortar 1:4 and finishing the surface even & smooth (without using extra cement), for foundations/wall of electric installations complete all as specified and directed

Material and labour for Preparation of new plastered surfaces of walls and applying two coats of whitewash complete all as specified and directed by engineer in charge.

Finding of fault to 11 KV UG cable with suitable fault locator equipment & pin point the fault in the faulty cable including necessary excavation and earth work for exposing the faulty portion of the UG cable complete all as specified and directed.

Supply and fixing in replacement straight through type heat shrinkable joint for HT cable with aluminum conductor 11 KV grade size 95 to 185 sqmm 3 core including jointing, commissioning and testing complete all as specified & directed.

Supply and fixing in replacement indoor/outdoor type heat shrinkable end joint for HT cable with aluminum conductor 11000 volts grade size 95 to 185 sqmm 3 core including jointing, commissioning and testing complete all as specified & directed.

Supply and fixing in replacement LT Panel Outdoor type floor mounted free standing dust and vermin proof panel / DB with IP-67 protection, CPRI approved, factory fabricated out of 40mm x 40mm x 4mm angle iron, 3.15 mm thick CRCA sheet for entire outer panel with single door and locking arrangements & 2 mm for inner compartment with 40mmx4mm flat Iron, including Separate cubicle chamber with cable alley not less than 300mm width for installation/connecting switchgears with the main bus bar using copper conductor flexible wires suitable for switch rating and connecting outgoing terminals of the switchgear with terminal blocks of appropriate current rating using flexible copper wires duly terminated by cable lugs and thimbles, MS surfaces epoxy based powder coated, shade as approved over 2 coats of red oxide primer, surfaces pre-treated in seven tank process for de-greasing, de-rusting & Phosphated, panel having front and rear opening and provision for installation of separate cable alleys, busbar chamber and switchgear compartments, Provision in cable alleys for bottom cable entry for incoming & outgoing cables, affixing LT danger plate at suitable intervals / locations including erection, testing and commissioning incluiding cable gland for incoming and outgoing cables,complete all as specified and directed including fixtures and fitments mentioned below :-

Note:- (i) A clear space of 200mm shall be kept from floor level for switchgear compartment. (ii) Each compartment shall be numbered / lettered as approved by GE. (ii) LT panel shall be fixed in PCC foundation as per manufacturer recommendation and minimum height clearance of 45 cm from ground level. (iii) the cost of PCC foundation shall deemed to be included in unit quoted rate. (iv) Contractor shall submit the GA drawings of LT Panel for approval of GE before placing the order (v) Panel accessories items Make-Siemens/ L&T/ ABB/ Schneider/ Legrand/ Crompton Greaves and authorized partners of above makes complying with IEC 61439 standard and make of panel UNIVERSAL SWITCHGEAR/ SHALAB/or equivalent

All as per item Srl No 79.00 above but with the following fittings & fixures :-

Note:- (i) A clear space of 200mm shall be kept from floor level for switchgear compartment. (ii) Each compartment shall be numbered / lettered as approved by GE. (ii) LT panel shall be fixed in PCC foundation as per manufacturer recommendation and minimum height clearance of 45 cm from ground level. (iii) the cost of PCC foundation shall deemed to be included in unit quoted rate. (iv) Contractor shall submit the GA drawings of LT Panel for approval of GE before placing the order (v) Panel accessories items Make-Siemens/ L&T/ ABB/ Schneider/ Legrand/ Crompton Greaves and authorized partners of above makes complying with IEC 61439 standard and make of panel UNIVERSAL SWITCHGEAR/ SHALAB/or equivalent

Dismantling and taking down by removing LT connection of unserviceable overhead line( ACSR Conductor, 05 Runs) with poles within air force station area and depositing to MES Yard complete all as specified and directed by Engineer-in-charge. Note : Contractor shall provide necessary labour, tripod, chain & pulley, T&P, etc for transportation and the rent shall deemed to be included in the quoted rate.

M/s Rohit Construction Co. (BID ID -3299138)

Deep Contractor (BID ID -3304494)