Military Engineer Services-MES has published Repair Maintenance Of Transformer And Ht Underground Cable In Mahar Area At Dipatoli Mil Station. Submission Date for this Tender is 02-02-2021. Transformer Repair Tenders in DIPATOLI Jharkhand. Bidders can get complete Tender details and download the document.
| Name of Work:- REPAIR / MAINT OF TRANSFORMER AND HT UNDERGROUND CABLE IN MAHAR AREA AT DIPATOLI MIL STATION | |||||
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| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | M&L for servicing and renewal/replacement of defective parts of oil type transformer capacity 25 KVA to 250 KVA 11/.433 kV Indoor/outdoor type of any make by disconnecting of HT bus bar connection and providing electric power to user by alternative arrangement, opening of doors etc complete cleaning of the inside compartment, core and coils by vacuum cleaner including lead supports, tap changer terminal boards, bushing and other insulated surface be wiped clean with dry cloth and all connections must be checked for tightening after cleaning up to the satisfaction of Engr-in- Charge. The transformer must be meggred and connecting all connection and necessary testing complete with under mentioned scope of work, \n(i) Cleaning of transformer from inside/outside.\n(ii) Testing the transformer for IR values\n(iii) Checking/servicing/calibration of WTI for healthiness\n(iv) Magnetic balance test\n(v) IR Value check before and after the work\n(vi) Voltage ratio test at 440 V.\n(vii) DC logic test\n(viii) Commissioning of transformer after completion of work. \nNote :-\n(i) Test results obtained shall be recorded and produced to the Engr-in- Charge.\n(ii) All measuring equipments and T&P required shall be arranged by the contractor.\n(iii) Any item/activity not listed/covered here above and required during/ completing the overhauling work shall have to be arranged by the contractor himself.\n(iv) The rate quoted shall be deemed to include for disconnection of transformer HV/LV terminations for testing work and re-connections after completion of repair work. Note:- Defective part measured and paid under respective items however fixing charges included in the unit rate.\n | 4 | Each job | |
| 2 | 2 | Dismantling of HT bushing of transformer including metal and rubber parts and replacing with new bushes complete with new metal and rubber parts of any size and shape required for transformer of capacity 25kVA to 250 kVA complete all as specified and as directed. | 3 | Each | |
| 3 | 3 | Dismantling of LT bushing of transformer including metal and rubber parts and replacing with new bushes complete with new metal and rubber parts of any size and shape required for transformer of capacity 25kVA to 250 kVA complete all as specified and as directed. | 3 | Each | |
| 4 | 4 | Supply and Fixing for incorporated to the repair of transformer off load tap changer switch of existing model / type of transformer of capacity 25 to 250 kVA complete all as specified and as directed. | 1 | Each | |
| 5 | 5 | M&L for dehydration/centrifuging of transformer oil minimum 3 cycles to achieve dielectric strength 50 kV in 2.5 mm gap electrode with centrifuging machine at site and testing of transformer oil before and after de- hydration complete all as specified and as directed at site. | 1500 | Ltrs | |
| 6 | 6 | M&L for topping up/replacement of transformer chamber and conservator with new transformer oil upto a required level (60 KV di-electric strength in 2.5 mm gap electrode to with stand for one minute) in any type and capacity of transformer complete all as specified and directed at site. | 800 | Ltrs | |
| 7 | 7 | M&L for high voltage coil of transformer including double paper insulated conductor of existing gauge and all insulating material,varnished etc complete all as specified and as directed | 20 | Kg | |
| 8 | 8 | M&L for low voltage coil of transformer including double paper insulated conductor of existing gauge and all insulating material, varnished etc complete all as specified and directed. Matting with vaccum impregnation and baking of coil suitable for 250 KVA transformer complete all as specified and as directed. | 15 | Kg | |
| 9 | 9 | Supply and fixing in replacement of silica gel complete all as specified and as directed. | 10 | Kg | |
| 10 | 10 | Attending any breakdown immediately of 25 kVA to 250 kVA capacity transformer by OEM service engineer to check and repair /replace any spares related break down and make the power transformer serviceable within 48 Hours complete all as specified and directed at site.\nNote:-\n(i) Spares shall be measured and paid separately under respective items.\n(ii) Checking of all electrical connection for its proper tightness.\n(iii) Proper care shall be taken to isolate the supply and it shall be ensured that repairs are carried out on No LIVE switch gears.\n(iv) Each switch gear/Load break switch/breaker shall be counted as a separate unit for the purpose of measurement.\n(v) A sum of Rs.500.00/Hr shall be recovered from contractor in case of not attending the break down by service engineer and not rectified defect with in 24 Hrs. | 4 | Each\nJob | |
| 11 | 11 | S&F air break switch (GOD) vertical/horizontal, double break type triple pole mechanically operated mounted on double insulartors and steel frame with operating mechanism linked with ground level operating GI rod 25mm dia medium grade. GOD suitable for current rating upto 400 amps and suitable for HT 11 KV including connecting complete with locking arrangement complete all as specified and as directed.\nMake - BHEL / Jaipuria/ Rashtriya/ MEI/National | 2 | Each | |
| 12 | 12 | S&F horn gap fuse unit assembly triple pole outdoor type suitable for HT 11 KV upto 400 Amps complete all as specified and as directed. \nMake - BHEL / Jaipuria/ Rashtriya/ MEI/National | 4 | Each Set | |
| 13 | 13 | S&F connect lightening arrestor non linear, pole type 11 KV discharge capacity 65 KA, with all fittings suitable for 11 KV electric working pressure including strap, bolts, nuts and washers etc complete all as specified and as directed.\n Make - BHEL / Jaipuria/ Rashtriya/ MEI/National | 2 | Per Set | |
| 14 | 14 | Dismantling cross-arms of MS, channel or angle sections & earth wire etc complete and setting aside for re-use within 50 m distance complete all as specified and as directed. | 0.5 | Qtl | |
| 15 | 15 | Supply fixing and fabricating tray holding, cross arms, FI clamps, support, U clamps strips and back plates fabrication from structural steel section including nut, bolts, washer bars etc of required size and thickness for supporting of cable tray by welding including bending or welding cold or hot, drilling holes for bolt in any shape or size indicated or included of one coat primer coat under one finishing coat of black paint complete to support the cables complete all as specified and as directed. | 0.5 | Qtl | |
| 16 | 16 | M&L for Disc type porcelain vitreous white, brown or green insulator of size 145 mm height 255 mm dia including galvanized mild strip, washer, nut, bolt etc suitable for 11000 volt HT Line complete all as specified and as directed. | 3 | Each | |
| 17 | 17 | M&L for Pin type, 11kV polymer insulator 24mm FRP complete all as specified and directed at site. | 5 | Each | |
| 18 | 18 | M&L for Post type 11kV polymer insulator 24mm FRP complete all as specified and directed at site. | 6 | Each | |
| 19 | 19 | M&L for GI stay assembly set comprising of 16 mm dia 380 mm iron stay bow 1800 mm long stay rod 20 mm dia (300x300)mm x 6mm thick stay plate, thimble GI stay wire 7/8 SWG of required length, including loop insulator, earth work and PCC complete with all accessories as shown in electrical plate No.1 complete all as specified and directed at site. | 2 | Each\nSet | |
| 20 | 20 | Material & Labour for cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70sqmm to 120sqmm complete all as specified and directed at site. | 5 | Each | |
| 21 | 21 | Material & Labour for cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70 sqmm to 120 sqmm complete all as specified and directed at site. | 5 | Each | |
| 22 | 22 | Material & Labour for cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70 sqmm to 120 sqmm complete all as specified and directed at site. | 2 | Each | |
| 23 | 23 | S & F Cable route indicator / Marker made up of PCC Block in cement concrete mortar (1:3:6) (using 20mm graded stone aggregrates) of size (900 x 300)mm x 100 mm thick with "DANGER / 11 KV CABLE /MES or DANGER/ 11 KV HT JOINT/ MES" embossing on cable route Indicator / Marker including painting as per approved colour and buried in ground 45 Cms with and including necessary earth work (as required/ ordered at site) complete all as specified and as directed. | 25 | Each | |
| 24 | 24 | Taking down or up UG HT Cable including cable cover laid in trenches/ cable duct or connection to HT panel /GOD and removing from site and transporting to store for safe custody for reuse or for issue under Sch of Credit all as specified and directed at site including patrolling the complete length and inspecting for any punctures,blow holes,damages and meggering all the cables ,removing the damaged portion all as directed by EIC at site | 50 | Rm | |
| 25 | 25 | Relaying the HT cable obtain from item No. 24 any capacity any size complete all as specified and directed at site. | 50 | Rm | |
| 26 | 26 | Material and labour XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts (Earthed), grade cross sectional area 95 sqmm complete all as specified and directed at site. | 370 | Rm | |
| 27 | 27 | Material and labour XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts (Earthed), grade cross sectional area 120 sqmm complete all as specified and directed at site. Note for srl item No. 26 & 27:- Excavation, earth work and protection of cable shall be measured and paid seperately. | 210 | Rm | |
| 28 | 28 | Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr in deep for foundation etc. or for shafts, wells, cesspits, mainholes, pier holes etc in any type of soil for foundation and getting out and levelling of bottom surface to required level complete all as specified and as directed. | 350 | Cum | |
| 29 | 29 | Material and labour for river washed and screened, dry sand for filling in trenches/sub stations below and around underground cables for cushioning of cables etc complete all as specified and as directed. | 36 | Cum | |
| 30 | 30 | Returning filling including leveling, watering and well ramming soil in layers not exceeding 1.5 m above the starting level complete all as specified and directed at site. | 66 | Cum | |
| 31 | 31 | Removing the excavated materials not exceeding 50 m and depositing where directed at level not exceeding 1.5 m above the starting level complete all as specified and directed at site. | 39 | Cum | |
| 32 | 32 | Supplying and laying unreinforced precast cement concrete cable covers, Class HV, Type- 1, Flat, size 300 mm x 180 mm x 40 mm in trenches for cable protection, embossed with "HT ELECTRIC" on the top surface complete all as specified and as directed by the Engineer - in - Charge. | 2000 | Each | |
| 33 | 33 | Relaying the HT cable cover obtain from ser item No. 24 any capacity any size complete all as specified and directed at site. | 250 | Each | |
| 34 | 34 | M&L for Danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skulll and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size for HT, (25 x 20) cm complete all as specified and directed at site. | 5 | Each | |
| 35 | 35 | M&L for trenchless boring under road crossing/foot paths etc complete all as specified and directed at site. | 12 | Rm | |
| 36 | 36 | Supply and laying in replacement of GI pipe 100 mm bore with fittings, Light grade (for cable protection ) ISI marked complete all as directed by the Engr-in- Charge. | 80 | Rm | |
| 37 | 37 | M & L for Cement Concrete PCC (1:3:6) (using 20 mm graded stone aggregates) as in coping of pole etc including form work & finishing the surfaces even & smooth with out using extra cement complete all as specified and as directed. | 5 | Cum | |
| 38 | 38 | M& L for brickwork with straight or curved on plan with subclass ‘B’ bricks, exc 6 m mean radius built in CM (1:6) complete all as specified and as directed. | 32 | Cum | |
| 39 | 39 | M & L for rendering 10mm thick on fair faces of brick work or concrete surfaces in cement mortar (1:4) finished even and smooth without using extra cement complete all as specified and as directed | 40 | Sqm | |
| 40 | 40 | M&L for cutting of tree branches including cutting of trunk branches & stacking of serviceable material and disposal of unserviceable materials to a distance not exc 50 mtr & clearing site complete all as specified and as directed at site. Note:- Span up to 50 mtr length shall be measured as one span. | 15 | Span |
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