REPAIR/ MAINTENANCE OF DISTRIBUTION TRANSFORMERS, HT 11 KV VCBs, RMUs UNDER GROUND CABLES AND CONNECTED WORKS AT INS DRONACHARYA AND SMA RAMESWARAM UNDER GE FORT KOCHI

Amount

Material and Labour for repair/overhauling of Transformers on site of any make Installed at various location of Sub Stations, including disconnecting the HT/LT Cables, earth strips etc. from the transformer, draining the complete oil for removing sludge from the tank refilling and removing the top cover, conservator, explosion vent,etc, for detecting the leakage and repairing by welding/Bracing. Replacing all the gaskets & neoprene washers for leakage arresting. Reassembling the transformer and testing etc complete upto 400 KVA cap complete all as specified and directed by the Engineer-in-charge. (Note :- Supply only new Transformer oil & oil filtration shall be measured and paid under the schedule of relevant item)

Material and Labour for repair/overhauling of Transformers on site of any make Installed at various location of Sub Stations, including disconnecting the HT/LT Cables, earth strips etc. from the transformer, draining the complete oil for removing sludge from the tank refilling and removing the top cover, conservator, explosion vent, etc, for detecting the leakage and repairing by welding . Replacing all the gaskets & neoprene washers for leakage arresting. Reassembling the transformer and testing etc complete from 500 to 800 KVA capacity complete all as specified and directed by the Engineer-in-charge (Note :- Supply only new Transformer oil & oil filtration shall be measured and paid under the schedule of relevant item)

Supply and Fix 11000V Bushing as per site requirements with superior quality brass rods complete with and including necessary Rubber `O' ring/oil seals and gaskets for distribution transformers of Capacity up to 800 kVA complete all as specified and directed by the Engineer-in-charge.

Supply and Fix 415 V Bushing porcelain with superior quality brass rods complete with and including necessary Rubber `O' ring/oil seals and gaskets for distribution transformers of Capacity up to 800 kVA.complete all as specified and directed by the Engineer-in-charge.

Dehydration and online filtration of transformer oil at site by centrifugal filtration method using mobile filtration plant on transformers so as to achieve appropriate di-electric strength (not less than 55KV) and testing of the same before and after filtration to entire satisfaction of Engr-in-Charge in various locations for transformers of various capacities and submitting of test results in triplicate all as specified and as per availability of shut down before and after monsoons or whenever as directed.

Supply only new insulating transformer oil of superior quality low viscosity having di-electric strength not less than 55 KV bought at site in sealed containers and confirming to IS 335 complete all as specified and directed by the Engineer-in-charge. Make:- Power oil /Gulf oil/Trans oil

Material and Labour for preparation of old painted iron surfaces of the Transformer of capacity 100 KVA to 400 KVA, by cleaning completely afer that applying two coats of synthetic enameled paint on the transformer as per MES colour complete all as specified and directed by the Engineer-in-charge. Note:- Painting shall be carried out with Spray Gun using compressor.

Ditto as per item No 7 here-in-before but Transformer of capacity 500 KVA to 800 KVA.

Ditto as per item No 7 here-in-before but Transformer of capacity 2500 KVA to 3000 KVA.

Supply andfixed in repair transformer temperature gauge having 100 mm dia dial, 0 to 1200C, brass sensor, 6" length with 1/2" BSP thread adjustable brass connection and maximum reading pointer and re-setting device complete all as specified and directed by the Engineer-in-charge. Make:- L&T /Schneider/ABB

Supply andfixed in repair multi functional meter suitable for 11 KV, VCB panel complete all as specified and directed by the Engineer-in-charge. Make:- L&T /Schneider/ABB

Supply and fixed in repair Gunmetal Gate valves 50 mm dia as per IS 778 ISI marked complete.all as specified and directed by the Engineer-in-charge. Make:-Kartar/Kirloskar

Supply and fixed in repair Gunmetal Gate valves 25 mm dia as per IS 778 ISI marked complete.all as specified and directed by the Engineer-in-charge. . Make:- Kartar/ Kirloskar

Material and Labour for replacement of defective silica gel breather with silica gel transparent type complete set for 500-800 KVA transformer, complete all as specified and directed by the Engineer-in-charge. Make:- L&T/Schneider/ABB

Material and Labour for replacement of defective silica gel breather with silica gel transparent type complete set for 100-400 KVA transformer complete all as specified and directed by the Engineer-in-charge. Make: L&T/Schneider/ABB

Supply and fill the Silica gel for breather of various Transformers including taking out old gel complete all as specified and directed by the Engineer-in-charge.

M/L for maintenance / Servicing of OLTC (Onload Tap Changer) of 3000 / 2500 KVA Transformers including dismantling of tap mechanism, alignment of parts, lubrication of parts, greasing to gear wheels arresting of oil leaks by replacing the Gaskets & neoprene washers,including testing & commissioning of OLTC complete.all as specified and directed by the Engineer-in-charge. Note :- Parts required to be replaced shall be paid separately as "Supply only" item.

Supply only fixed contacts of OLTC of capacity 2500/3000 KVA complete all as specified and directed by the Engineer-in-charge. (Make :-Indo Tech Transformer)

Supply only moving contacts of OLTC of capacity 2500/3000 KVA complete.all as specified and directed by the Engineer-in-charge. (Make :-Indo Tech Transformer )

Material and labour for repairing the HT SF6 unit by removing the mechanism from panel , replacing required parts such as interlock notch assembly , aligning the On-off position etc, removing the dust , lubricating by applying jelly, cleaning the insulators, providing new nut bolts etc as required , reinstalling the HT VCB into panel before testing and then testing & commissioning complete all as specified and directed by the Engineer-in-charge. Make:- Schneider/ABB/L&T

Material and labour for servicing of HT VCB 11 KV along with CTs/PTs of current rating up to 630A of any make and type by drawing out breaker assy from panel and carryingout the following works complete all as specified and directed by the Engineer-in-charge:- (i) Cleaning /decarbonizing of all fixed and moving contacts, levers, spring using suitable cleaning agent and tightening of screws nuts bolts spring etc. (ii) Adjust the trolley and out mechanism. (iii) Lubricating /greasing of all operating mechanism and moving parts, switching and tripping mechanism, automatic shuttering system, necessory brazing turning polishing of main and auxiliary contact demoisturing of insulators etc to be done. (iv) Testing of tripping performance of HT VCB by Primary Injection including interlocking if any. (v) Checking of operating mechanism internal wiring circuit etc tightening of all connection including removing moisture deposit inside the VCB. (vi) Checking all end terminals,tighten bolt nut and washers ,put in position to engage the VCB with supply system and testing for smooth functioning all as directed. Note :- (i) Cost of taking down of all old unserviciable parts complete and providing new items such as nut,bolt with double washers HRC fuse up to the capacity of 32 Amp , fuse carrier base, HT packing gasket shall be deemed to be included in the quoted rate except the supply only items catered.

Supply only isolating contact assembly 400A as per existing size ,type and suitable for 11 KV VCB including taking down old item complete all as specified and directed by the Engineer-in-charge. Make: - Crompton Greaves /L&T/Schneider

Supply only earthing contact assembly as per existing size, type and suitable for 11 KV VCB including taking down old item complete all as specified and directed by the Engineer-in-charge. Make: - Crompton Greaves/L&T/Schneider

Supply only motor and gear assembly as per existing size type and suitable for 11 KV VCB including taking down old item complete all as specified and directed by the Engineer-in-charge. Make:- Crompton Greaves/L&T/Schneider

Supply and fix vaccum intrupter suitable for VCB 11 KV 630 amps complete all as specified and directed by the Engineer-in-charge.

Supply only closing coil assembly as per existing size type and suitable for 11 KV VCB complete all as specified and directed by the Engineer-in-charge. Make: - Crompton Greaves/L&T/Schneider

Supply only push button RED/Green/Yellow complete all as specified and directed by the Engineer-in-charge. Make :- Crompton Greaves/L&T/Schneider

Supply only Current Transformer resin cast insulated copper wound having ratio of 100/5 amp complete all as specified and directed by the Engineer-in-charge. Make: - Crompton Greaves/L&T/Schneider

Supply only synthetic rubber boot of SF6 circuit breaker complete all as specified and directed by the Engineer-in-charge. Make :- Areva make of Boot / E-Kab or equivalent

Supply and fix incl testing and commissioning in repair epoxy Spout for VCB panel 11 KVA VCB panel complete all as specified and directed by the Engineer-in-charge. Make :- ABB/CG or equivalent

Supply and lay for XLPE insulated sheathed earthed pvc bedded galvanized steel strip or wire armoured electric power cable heavy duty with aluminium conductor 11000 volt grade cross sectional area 185 sqmm 3 core including taking down old unserviceable cable etc complete from trenches/ Poles/ Surface complete.all as specified and directed by the Engineer-in-charge.

Supply and lay for XLPE insulated sheathed earthed pvc bedded galvanised steel strip or wire armoured electric power cable heavy duty with aluminium conductor 11000 volt grade cross sectional area 240 sqmm 3 core including taking down old unserviceable cable etc complete from trenches/ Poles/ Surface complete all as specified and directed by the Engineer-in-charge. Note for Item Nos. 31 & 32 :- Excavation , Returning filling and removal of soil shall be measured and paid seperately.

Material and labour for cable jointing kit for 11 KV(earthed) grade cable for straight through heat shrinkable type joint complete with jointing materials and all accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and directed by the Engineer-in-charge.

Material and labour for cable jointing kit for 11 KV(earthed) grade cable for straight through heat shrinkable type joint complete with jointing materials and all accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm to 400 sqmm.complete all as specified and directed by the Engineer-in-charge.

Material and labour for XLPE cable joining kit end termination heat shrinkable type in door type suitable for U/G cable 120 sqmm to 185 sqmm 3 core 11000 volt grade complete all as specified and directed by the Engineer-in-charge.

Material and labour for XLPE cable joining kit end termination heat shrinkable type in door type suitable for U/G cable 240 to 300 sqmm 3 core 11000 volt grade complete.all as specified and directed by the Engineer-in-charge.

Supply , fill and spread riddle sand, compacting for sand cushioning of Under ground cable complete all as specified and directed by the Engineer-in-charge. Note:- Punned thickness shall only be measured for payment.

Supply and lay sub class "B" burnt bricks, as in cable protection, laid length of brick perpendicular to length of cable complete all as specified and directed.

Excavation in trenches not exceeding 1.5 meter wide and not exceeding 1.5 meter depth and getting out in soft/loose soil / floor and making good the disturbed surfaces all as directed and specified

Returning and filling of soil including spreading leveling, watering and ramming in layers not exceeding 25 cm .

Removing excavated soil to a distance not exceeding 50 meter , not exceeding 1.5 meter above the starting point and depositing where directed.

Supply and fixing / laying GI tubing 100mm dia light grade as cable protection in road cutting etc complete.all as specified and directed by the Engineer-in-charge.

Material and labour for defect rectification in cables laid in trenches up to 240 Sqmm size 11000 Volts Grade with the help of electronic/digital fault locating machine to accuracy of 1 meter, removal of detoriated portion and keeping the same open, Sealed and safe for cable joint complete all as specified and as directed by Engineer-in-Charge. Note:-(i) Cost of T & P i.e. hiring of fault locating machine including transportation payment for technicians/Engineers, ncessary excavation and earth work shall deemed to include in quoted rate for the above. where as cable joints shall be measured and paid separately.

Supply, install, test and commissioning of Multifunctional Demand monitoring suitable for 11 KV including connected meter control wiring complete.all as specified and directed by the Engineer-in-charge.

Material and labour for earthing complete with galvanized steel earth plate electrode 600x600x6mm thick buried directly in ground /earth pit not less than 2.25m deep below the ground level with top edge of the plate not less than 1.5 m below the normal ground level connected to GI strip of 32x6 mm by means of nut, bolts, check nuts and washers of galvanized iron or steel as shown in electrical plate No. 3, including necessary earth work and excavation , charcoal dust, common salt, PCC chamber, RCC cover 40mm thick 1:2:4 using 20mm graded stone aggregate reinforced with 6mm dia round bars 75mm C/C both ways, test point and watering pipe complete, including connecting to earthing test point or to DB / Panel complete as directed by Engr in charge and testing resistance etc complete, including taking down old earthing complete all as specified and as directed. Note: (i)The rate quoted shall be deemed to be included for main earth lead from earth electrode to test point up to 7.5 m only. (ii) On testing after completion if the desired earth resistance not optained as per IE rules the earthing will be redone by the contractor as directed by Engnr in charge with out any extra cost to Govt.

Supply & fix Acrylic glow sign board rectangular type of size 4' x 2.5', letters/Figure/ logo, computerised laser cut, outdoor type, letter of height exc 20 cm and n. exc. 30 cm, , with back glow LED lights fittings not less than 2x20 watts with superior quality with water proof DC adapter, all other sides to be covered with suitable thickness SS sheet including installation at site on wall complete arrangement and colour and size complete.all as specified and directed by the Engineer-in-charge.

General note:- The contractor shall visit the site before quoting the tender &get acquaint himself regarding the make/ type of transformer / SF6/ VCB etc, inorder to get a clear knowledge of site & quote accordingly. Nothing extra shall be admissible on this account please.

Toffy Construction