Military Engineer Services Tender

Supplying and laying reinforced precast concrete cable cover, class HV, Type 1, flat, size 300mm x 180mm x 40mm, complete all as specified and directed.

M&L for providing dry river sand as in sand cushioning to under ground cable including punning down of sand in layers, complete all as specified and directed.

M&L for replacement, testing and commissioning HT cable, XLPE insulated , PVC bedded, galvanised steel strip or wire armoured electric power cables (heavy duty) with aluminium conductor, 11000 volts Earthed, cross sectional area 95 sq. mm, 3 core, complete all as specified and directed. Note: Jointing kit shall be measured and paid separately.

Supply & fixing in replacement of cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm, complete all as specified and directed.

Supply & fixing in replacement of 80mm dia GI tubing light grade with all necessary fittings laid in trenches, fixed to walls, poles, under road / floor etc for cable protection, complete all as specified and directed.

M&L for HT 11 KV (working pressure 11000 volts) Air break switch, gang operated triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 Amps including providing jelly for all moving and fixed contacts, complete all as specified and directed.

Supply & fixing in replacement of lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp working pressure 11000 volts complete all as specified and directed.

Supply & fixing in replacement of danger notice plate 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, 25x20cm size, complete all as specified and directed.

Supply & Fixing in replacement of disc type insulator porcelain vitreous white brown or green as per IS 731-1963 of size 145 mm high and 255 dia ball & socketed type single disc with tension clamp for working pressure 11000 volts grade, complete all as specified and directed.

Supply & Fixing in replacement of pin type insulator porcelain vitreous white , brown or green insulator as per IS 731`-1963 including one Galvanised MS spindle two galvanized iron nuts, washer etc of 150 mm height and 150 mm dia of 11000 volts grade, complete all as specified and directed.

M&L for general servicing, calibration & testing of 11KV indoor vaccum circuit breaker (cleaning, oiling, greasing, IR value check electrical and mechanical operation check and adjustment, primary injection of CTs to check the TMS relay and time coordination including checking auxillary supply and control voltage physical checking of breakers, epoxy housing carryout physical verification of any wear and tear breaker and duly rectified it, checking fixed and moving contracts spring charging motor control circuit & tighten the connections and close or trip coil clean the breaker compartment through lubricating the breaker and applying grease/petroleum jelly and required part, complete all as specified and directed.

M&L for closing coils suitable for 11 KV VCB of Make : Andrew Yule & Co. Ltd. Indoor type, complete all as specified and directed.

M&L for tripping coil suitable for 11 KV VCB of Make : Andrew Yule & Co. Ltd. Indoor type, complete all as specified and directed.

M&L for limit switch suitable for 11 KV VCB of Make : Andrew Yule & Co. Ltd. Indoor type, complete all as specified and directed.

M&L for Rachet gear assembly suitable for spring charging mechanism of 11 KV VCB of Make : Andrew Yule & Co. Ltd. , complete all as specified and directed.

Material and labour for fault finding and repair/ replacement of defective control wiring of tripping circuit, closing circuit, potential transformers, ampere meter, voltmeter,current transformers, thermostate & heating element circuits of indoor type 11 KV VCB using with 2.5 sqmm copper flexible PVC insulated wire and suitable size of copper lugs and thimbles and connector, complete all as specified and directed.

M&L for painting of four pole structure by one coat of aluminium paint including preparation of steel surface for four pole structure (above planting depth ) 11 metere long steel tubular pole and mild steel work i.e. cross arms, bracing , clamps,with painting yellow and black strip 30 cm wide up to 1.5 m height from the copping level etc., complete all as specified and directed. Note : Contractor should be taken necessary shutdown before painting work and should be present at site during the work.

All as per item no 20 .00 above but for two pole structure, complete all as specified and directed.

Dismantling / taking down of cross-arms of M.S. channel or angle sections etc. complete and setting aside for re-use with in 50m, complete all as specified and directed.

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 primer coat, one under coat and one finishing coat of paint, complete all as specified and directed.

Filtration and dehydration of transformer oil to achieve test result as per IE rules with filtration plant, complete all as specified and directed. Notes: (a) The filtration of transformer oil of various transformers is to be carried out at different sub stations of Pedong / Algarah / AP Algarah / Dalapchand / Teesta TCP / Rhenock & Rongli Mil area. (b) The report before filtration and after filtration to be submitted by contractor in the approved formates. (c) The filtration is to be carried out on line ie without switching off supply.

Supply and topping up transformer oil upto conservator level making with new oil as per IS: 335 having dielectric strength not less than 60 KVA as 3.0 mm gap, complete all as specified and directed. Make: Power Oil / Castrol / HP for topping up.

M&L for disconnecting the electric connection from over head line with care and removing the faulty step down transformer from two / four pole structure / platform and opening for inspection of Eng-in-charge, fault finding and minor repairing/servicing of transformer and repair / replacement of worn out spares as directed at site and cleaning the transformer body throughly with cotton and sand paper and reassembling, refilling, of transformer oil, installation the same on its existing position connecting and testing complete 11/0.433 KV transformer of 63 to 200 KVA capcity, complete all as specified and directed. Notes: (a) the material required for replacement of faulty parts will be measured and paid separately under relevant item. (b) The cost for fault checking/fault finding, servicing and minor parts is deemed to be included in the quoted rate. (c) New transformer oil topping up after repair will be measured and paid separately against relevant item. (d) New items such as HT/LT bush insulators, HT/LT bush rod of brass, rubber gasket will be measured under respective items.

Supply only for replacement of HT 11 KV bush insulator suitable for distribution transformer of capacity 63.5 to 200 KVA transformer, complete all as specified and directed.

Supply only for replacement of LT bush insulator suitable for distribution transformer of capacity 63.5 to 200 KVA transformer, complete all as specified and directed.

Supply only for replacement of HT bush rod made out of brass with nut bolt and washer suitable for distribution transformer of capacity 63.5 to 200 KVA transformer, complete all as specified and directed.

Supply only for replacement of LT bush rod made out of brass with nut bolt and washer suitable for distribution transformer of capacity 63.5 to 200 KVA transformer, complete all as specified and directed.

Supply only for replacement of rubber/cork sheet gasket set complete suitable for transformer of capacity 63.5 to 200 KVA transformer, complete all as specified and directed.

Trimming of tree branches which touches the OH lines and 2.5 mtr away from centre line of overhead lines span not exceeding 60 mtr distance between poles by using necessary T&P items and depositing the tree branches / leaves at 30 mtrs away from the site, complete all as specified and directed. Note: Any number of tree branches cut in one span will be measured as one length of payment.

M&L for cleaning of old painting surfaces by cleaning agents including removing dirt, dust, oil, grease etc of transformer capacity 63 KVA to 200 KVA at different sub station and providing two coats of synthetic enamel spray paints including writing MES/SM/Machine number, complete all as specified and directed.

M&L for painting of chain link fencing and cover fencing of transformer (where required) any mesh, size and type by means of two coat of aluminium paint including line wires, MS flat angle and barbed wire by means of two coat of bituminous paint of sub stn including, complete all as specified and directed. Note: For item No. 33.00 & 34.00, contractor or his authorised representative should take neccessary shutdown before painting work and shoud be present at site during the work.

Material and labour for dismantling of the transformer after opening the external metal cover and lifting the core and winding assembly complete survey and preperation of survey report, complete all as specified and directed.

Material and labour for new copper wire for HV (11 KV) coils, complete all as specified and directed.

Material and labour for charges of the above HV (11 KV) copper coils including coil forma charges, complete all as specified and directed.

Material and labour for re-insulation charges of the existing LV (433) volt copper strip wire with supply of high quality insulation paper after through cleaning of existing insulation and washing it through CTC, complete all as specified and directed.

Material and labour for rewinding charges of the above LV (433 volts) copper coils including coil forma charges, complete all as specified and directed.

Material and labour for re-assembling of both HV & LV coils after core binding and reconnection of coils and drying the assembly through heating and testing, complete all as specified and directed.

Material and labour for box up the above transformer after cleaning of tank and refitting of bushing and testing, complete all as specified and directed.

Material and labour for rubber gasket washer for radiator , conservator tank , vent pipe etc., complete all as specified and directed.

Material and labour for transportation, loading and unloading of transformer from MES sub station to factory/workshop for repair and returning back serviceable transformer to MES sub station, complete all as specified and directed.

Material & labour for repairing of damaged / unserviceable gang operate devices of 11 KV such as male & female contacts, flexible jumpers, MS jumper carrier and back connector plate incl cleaning and greasing of complete contacts of GOD unit, DO fuse unit and reluging of aluminium conductors connected to top & bottom contacts of GOD and DO units incl welding and threading of operating rod mechanism, complete all as specified and directed. Note: Rates for elding machine, threading arrangements, grease, jumper, nut bolts, tightening and binding wire, aluminium conductor wire deemed to be included in coated rates.

M&L for Earhing complete with galvanized steel earth plate electrode 600X600X6mm buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5m below ground level, connected to galvanized earth strip size 32x6 mm , by means of galvanized iron or steel bolts, nuts, check nuts and washers, and conneced to equipments as directed, including funnel with GI Light grade watering pipe 20 mm bore, wire mesh charcoal and common salt in alternate layers, of 15 cm compacted thickness all around the earth electrode, with concrete pit in PCC 1:3:6 type C-1 , 50 mm thick pre cast RCC 1:2:4 type B1 cover slab reinforced with 8 mm dia reinforced bar 15 cm C/C and earth lead handle protection incl taking out old u/s earthing and including necessary excavation earth work in soft/loose soil and disposal of spoil to a distance n.exc.50m and necessary testing complete all as shown on electrical plate no.5 of MES SSR Part-I and as directed.

M&L for galvanised iron (GI) strip 32 x 6mm buried in ground, complete all as specified and directed.

M&L for spray painting to existing HT panel with synthetic enamel paint after cleaning the surface throughly with scrapper including protecting/cleaning of cable, wiring and other non painted parts, complete all as specified and directed. Note: Contractor should be taken necessary shutdown before painting work and should be present at sited during the work.

Supplying and laying synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m, complete all as specified and directed.

Material and labour for painting of steel tubular 11 mtr long pole HT pole vertical type complete with cross arm with one coat of aluminium paint after cleaning and preperation of surfaces of poles, cross arms,with painting 30 cm wide yellow and black strip on pole up to 1.5 metre high above coping level and numbering, complete all as specified and directed. Note: Contractor or his authorised representative should take neccessary shutdown before painting work and should be present at site during the work.

M&L for Silica Gel for transformers all as specified and directed.

Note 1:- (Applicable for all parts/items) : The bidders/contractors are advised to read tender document, all drawings & all corrigendum / amendments and general condition of contracts before entry / quoting the rates. Note 2:-The contract sum shall be arrived at after deducting amount of schedule of credit from the total quoted amount.