Military Engineer Services Tender
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Costs
EMD
₹ 60,200Document Cost
₹ 500Tender Fee
Refer Documents
Summary
Repair Maintenance Of Ht Electric System Vcb Rmu
Description
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Contact
Tender Id
2023_MES_633961_1Bid Award Id
ViewTender No
82177/BRD/E8Tender Authority
Military Engineer Services ViewPurchaser Address
-Website
http://http://mes.gov.in/
GEM & Bid Advisory Services
Get portal registration, tender bidding, product/service listing or vendor/MSME certification services at a nominal cost
BOQ Items
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Removal of excavated material at a distance not exc 50 mtr and depositing where directed at a level not exc. 1.5 mtr above the starting point in soft / loose soil complete all as directed.
9
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M&L Dry sand cushioning to underground cable with screened, washed river sand, including punning gently all as specified and directed.
Note: - Thickness after punning will be measured for payment.
2
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Supplying & Laying un-reinforced pre cast flat concrete cable protection cover of class lV, type I, size 300mm x 180mm x 40mm, factory made, complete as in repairs all as specified
2000
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S&F Framed work as in door or gate of angle or other section with gusset plates, rail, braces etc complete drilled for fixing of steel sheeting or other covering doors etc to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fitting also fastening and fixing complete conforming to Fe-410-0 or Fe-310-0 as in repairs all as specified.
50
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M&L Cutting chasing in hard standing road/path/drain making holes in concrete wall etc for passing through of cable and making good as per existing by using PCC (1:3:6) type C-2 using 40 mm graded stone aggregate all as specified and directed.
10
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S&F anti-climbing device fabricated out of 50x6 mm FI 8 mm of 15 Cm long MS bar, 12 mm dia / flat spikes made out to shape complete as in repairs all as specified and as directed .
5
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M&L PCC 1:2:4 type B1 using 20mm graded stone aggregate of any description in any position as in coping including necessary form work complete after demolition of existing unserviceable PCC all as specified and directed.
2
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M & L PCC (1:3:6) type C-1 (using 20 mm graded stone aggregate) for coping of the pole including necessary form work complete all as specified and directed.
2
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M & L PCC (1:4:8) type D-2 (using 40 mm graded stone aggregate) for foundation of the pole complete all as specified and directed.
2
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Dismantling & taking out unserviceable steel & iron items from poles i.e cross arms, bracing, supports, clamps and back plates etc. including nuts & bolts complete all as specified and directed.
3
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S&F Cross arms, bracing, 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 two coats of aluminium paint over a coat of red oxide primer complete as in repairs all as specified and directed by Engineer-in-Charge.
1.5
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Fixing only the serviceable MS cross arms, F1 clamp etc with and including accessories such as bolt, nuts and washers etc as obtained dismantling here in before on electrical pole at any location with including painting of steel surfaces with two coat of aluminium paint over a coat of red oxide primer after preparation of old surfaces all as specified and directed.
1.5
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M&L Stay assembly for HT poles comprising of 20mm dia, 2.15 mtr long galvanized stay rod , having 7 / 3.15mm GI stay wire stranded and 300mm X 500mm X 6mm thick MS stay plate, complete all as shown on electrical plate No 1 of SSR, Part-I with and including all necessary fittings/accessories like loop type insulator, shackle & stay clamps, necessary excavation and earth work in any type of soil and PCC works in (1:3:6) type C-2 (using 40mm graded stone aggregate) complete all as specified and directed by Engineer-in-Charge including taking out and dismantling old unserviceable stay assembly.
1
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S&F Pin type porcelain, vitreous, white, brown or green insulators, including one galvanized mild steel spindle two galvanised iron washers and one galvanised iron nut, 150mm height and 150mm dia suitable for working pressure upto and including 11000 volts grade for HT lines fixed on polescomplete as in repairs all as specified
10
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S&F Disc type insulator, porcelain, vitreous 150 mm height and 150 mm dia ball and socket type white/brown or green two in series assembly for tension with tension clamps for conductors working pressure 11000 volts grade for HT lines fixed on poles complete as in repairs all as specified .
10
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Material & labour Aluminium conductor, steel reinforced (ACSR) of any size/ description on HT poles/ lines including stringing, tightening, binding to insulators with aluminium wire making and connecting jumpers, connections etc including connecting, commissioning and testing complete as in repairs all as specified & directed by Engineer-in-Charge.
0.5
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Taking out all connections and repairing/overhauling of air break gang operated switch triple pole, with Drop out fuse unit mechanically operated mounted on insulators and steel frame installed vertically / horizontally , replacement of broken/worn-out components, oiling and greasing of mechanical moving parts, smoothen and polishing of electric contacts with providing conducting jelly on contacts and re fix the same and testing complete all as directed
(Note:- Worn out components shall be measured and paid separately under respective items)
15
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Supply only following components of air break gang operated switch:-
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Female contact or fixed contact heavy duty and high conductive metal assambly brass/Gun metal complete capacity 200 Amp 11 KV Make Rastriya/Jaipuria
10
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Male contact or Moving contact blade heavy duty and high conductive metal assambly brass/Gun metal complete capacity 200Amp 11 KV Make Rastriya/Jaipuria
10
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Tinned copper flexible jumper 200A/400A Make Rastriya/Jaipuria
10
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MS Jumper carrier
6
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Back connector plate
6
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Fixed top contact/L contact assembly brass/Gun metal(DO
10
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11 KV Hand gloves rubber ISI Marked
3
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Discharge rod complete with clamp having screw type arrangement for fixing tightly on conductor (ACSR size from raccoon to MDOSE with nut bolt & saddle for earth wire) The operating rod fixing with clamp shall be made of epoxy resin based tightly insulated fibre glass tube 32mm OD 1.7 Mtr long in places with proper coupling arrangement complete
1
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S&F PVC bird protection disc in red colour 15cm-18cm dia fixed with insulator bottom for protection from birds/any wild animal complete
50
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Supply, fixing, commissioning and testing of outdoor, gang operated Device switch (GOD), single throw single break off load type, of current rating upto 400 Amps, nine pole, each pole consisting of galvanized steel base, HT insulators as per IS, non ferrous knife and spring, loaded contacts, arcing horns of adequate section to break magnetizing current of the transformers, horizontal GI pipe of adequate length for phase separation, adequate length of GI pipes for operation from ground level and operating handle with locking arrangement complete in both OFF & ON positions. All ferrous parts hot dipped galvanized and non ferrous heavily tinned to withstand weather and suitable for vertical mounting with fuse unit carrier of 200 Amps rating and fuse element upto 50 Amps along with rod for expulsion fuses and 3 Nos post insulators for fuses including dismantling and taking down existing unserviceable GOD switch complete all as specified and as directed by Engineer-in-Charge. Make :- Jaipuria Brothers/ HEI/ ECE Calcutta
3
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Dismantling steel poles /struts, any size and Supply, erecting and fixing in true vertical position, steel tubular swaged pole (410 SP – 55), 11 mtr long, complete with cast iron base plate, pole cap / finial taper ,welded reduced section and longitudinal weld throughout entire length of pole with and including 2 coats of black bituminous paint externally upto planting depth and remaining exterior portion of pole finished with one coat of red oxide primer complete all as specified and directed by Engineer-in-Charge.
Note :- Earth work, PCC in foundation and coping, cross arms, danger notice board and anti-climbing device shall be measured and paid separately.
2
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Dismantling and taking down existing unserviceable lightening arrestor of any capacity and any description and Supply, fixing, commissioning & testing of distribution class lighting arrestor of rating 11 KV capacity and 10 KA NDC(Peak) confirming to to IEC-99.4 including brackets, clamps, bolts, nuts and washers complete all as specified and directed by Engineer-in-Charge. Make : Oblum/Jaipuria brothers/ Elpro/ WS Insulators
2
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Supply, laying, jointing and testing 11 KV (Earthed), aluminum conductor, screened, XLPE insulated, armoured shielded and PVC sheathed cables conforming to IS 7098 (Part-II) amended upto date having cross sectional area 95 Sqmm 3 core including taking down old cable complete all as specified and directed by the Engineer-in-Charge.
Make: INCAB / ICL / CCI / Gloster / Asian Cable Corporation Ltd./ Unistar /Havells
400
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Supply, jointing and testing cable jointing kit of 11 KV grade cable for outdoor termination, heat shrink type complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 Sqmm to 95 Sq mm. including complete as in repairs all as specified and directed by the Engineer-in-Charge. Make : Denson/Raychem/Cabseal /3M.
12
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Supply, jointing and testing cable jointing kit of 11 KV grade cable for end termination join outdoor heat shrink joints size3 core 120sqmm-185 sqmm with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size3 core 120sqmm-185 sqmm complete as in repairs all as specified and directed by the Engineer-in-Charge.
Make : Denson/Raychem/Cabseal /3M.
5
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Supply, jointing and testing cable jointing kit for 11 KV(Earthed) grade cable for indoor termination heat shrink type joint complete with jointing materials and accessories suitable for 3 core XLPE armoured at cable of size 50 sqmm to 95sqmm Make : Denson/Raychem/Cabseal.
4
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Supply, jointing and testing cable jointing kit for 11 KV(Earthed) grade cable for end termination joint indoor type heat shrink joints size3 core 120sqmm-185 sqmm 11KV Make : Denson/Raychem/Cabseal.
3
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Supply, jointing and testing cable jointing kit for 11 KV(Earthed) grade cable for straight through heat shrink type joint complete with jointing materials and accessories suitable for 3 core XLPE armoured at cable of size 50 sqmm to 95sqmm Make : Denson/Raychem/Cabseal.
Note : (i) Rate quoted shall be deemed to be inclusive of necessary excavation/ filling making good the existing surfaces with the necessary T&P as required all as directed by the Engineer-in-Charge.
7
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Supply, jointing and testing cable jointing kit for 11 KV(Earthed) grade cable for straight through heat shrink type joint complete with jointing materials and accessories suitable for 3 core XLPE armoured at cable of size 120 sqmm to 185sqmm Make : Denson/Raychem/Cabseal.
Note : (i) Rate quoted shall be deemed to be inclusive of necessary excavation/ filling making good the existing surfaces with the necessary T&P as required all as directed by the Engineer-in-Charge.
4
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S&F Danger notice plate of 1.6 mm thick mild steel sheet vitreous enamelled white with letters figures and conventional skull and bones in signal RED colur and fixed with MS clamps bolts and nuts of approved size for HT 25x20 cm size complete as in repairs all as specified
6
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Excavating post holes (or similar holes)each n exc 0.5 cum, getting out, in any type soil and removing surplus soil to a distance n exc 50m complete all as specified
40
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Supply only Chain link MS galvanised fencing of 4mm dia of wire each way and 50mm mesh all as specified
500
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Fixing only Chain link MS galvanised fencing including 10mm dia MS round bar as in line wires ,straining bolts, 40mmx6mm flat iron etc. including provision of binding wire etc complete as in repairs all as specified
150
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M&L Repair to old rusted/worn out wire fencing area of any type and description area not exceeding 50 sqm each including necessary welding ,clamping nut bolt etc complete all as specified and directed.
Note : Required items for repair like barbed wire , MS flat , chain link fence nut bolt shall be provided by the contractor without any extra cost to deptt
6
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S & F Mild steel work such as in angle iron flat iron fillets hand rails half round or other steel section or core for wooden hand rail straight portion drilled and countersunk for baluster running bars for doors balusters running bars for doors baluster noising to steps including embedding in concrete an screwing etc,wind ties for roof including securing bolts post and struts in fencing including cutting tops to shape as directed drilling holes notching for wire including all necessary works.
500
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Supply only Mild steel round bars 10 mm dia Fe 290 (Gde -E-165), as in line wire to chin link fencing
100
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M&L Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, exc 10cm and n exc 15cm long complete all as specified
20
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S&F Cable route Indicator made out of 150 mm round disc of cast iron duly written with HT/11 KV cable properly fixed with nut bolts to angle iron 40X40X5 mm length 60 cms properly grouted in ground at a depth 25 cms with PCC 1:2:4 type B1 using 20 mm graded stone aggregate Size 10X10X10 cm underground, including necessary excavation earthwork complete. Angle iron shall be painted with two coats of synthetic enamelled paint over a coat of red oxide primer complete as in repairs all as specified and directed.
20
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Trimming for branches of trees, bushes, herbs 10 Mtr surrounding of 4 pole/ 2 pole/ structure /sub station including removal of tree branches etc to a distance not exceeding 50 mtr from over head line all as specified and directed.
30
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Supply only Tinned copper fuse wire of 16SWG to 22 SWG or 30 Amps to 200 Amps capacity suitable for 11kV supply
5
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M&L Cleaning and preparation of existing 2 pole structure steel / cement surfaces of steel tubular / PCC pole 11 mtr long including channels mild steel cross arms ,clamps etc complete and applying two coats of aluminium paint all round the exposed steel surfaces of existing steel tubular poles of any description and two coats of cement wash weather proof exterior paint on PCC pole in any position above the height of 1.50 m from the plinth of of the pole and applying one coat of synthetic enamelled paint of different colours in strips of 150 mm width up to the height 1.5 mtr from the plinth of pole including writing pole No and other sign works with white paint over black painted base in the pattern and style as approved by the Engineer in charge complete all as specified and directed . Note : Size of black painted base for numbering shall be 100 mm x 25 mm and the size of numbers shall be not exceeding 10 cm height.
4
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M&L Cleaning and preparation of existing 4 pole structure steel / cement surfaces of steel tubular / PCC pole 11 mtr long including channels mild steel cross arms ,clamps etc complete and applying two coats of aluminium paint all round the exposed steel surfaces of existing steel tubular poles of any description and two coats of cement wash weather proof exterior paint on PCC pole in any position above the height of 1.50 m from the plinth of of the pole and applying one coat of synthetic enamelled paint of different colours in strips of 150 mm width up to the height 1.5 mtr from the plinth of pole including writing pole No and other sign works with white paint over black painted base in the pattern and style as approved by the Engineer in charge complete all as specified and directed . Note : Size of black painted base for numbering shall be 100 mm x 25 mm and the size of numbers shall be not exceeding 10 cm height.
4
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S&F Electric insulating mat nominal 2.5 mm thick electric insulated P.V.C. synthetic sheet viz conforming to IS-15562 of 2006 along with suitable adhesive/chemibound, having leakage current tested to meet requirement of IS-8437, IS-3043, break-down strength 40 KV having no adverse impact of mineral oil, high insulation resistance including material for water proofing of floor and sealing of all joints as required, suitable for floor covering around electrical apparatus for voltage not exceeding 3.3 KV (AC) to ground complete all as specified and directed by the Engineer-in-Charge
10
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M&L Filtration/dehydration of transformer oil through filtration plant to improve the dielectric strength/insulation value of the transformer oil upto 40 KV (RMS) at 4mm gap complete all as specified and directed for various capacity of transformers/OCB’s installed at various locations
8000
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Supply, and filling/ replacement/topping up of transformer insulating oil EHV grade having dielectric strength not less than 40 KV (R.M.S) at 4mm gap high viscosity in transformer conforming to IS – 335 of 1983 all as specified and directed for various capacities of transformers installed at various locations
840
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Supply and filling silica gel in breathers of various capacities of transformers including taking out old unserviceable silica gel complete all as specified
10
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S&F Breather assembly transparent body suitable for 11/0.433 KV transformers of capacity upto 100 KVA to 500 KVA complete as in repairs all as specified
10
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S&F Temperature gauge of existing specification/Model for transformers of capacity upto 400 KVA complete as in repairs all as specified
5
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S&F Externally operated tap changer switch “OFF LOAD TYPE” on HV winding to vary the LV Voltage up to + 7.5% variation limit in steps of 2.5% complete suitable for upto 500 KVA transformers including testing complete as in repairs all as specified
1
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S&F Rubberized cork sheet gasket of 6 mm thickness cut to size/shape for top cover of transformer upto 400 KVA capacity complete as in repairs all as specified
5
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S&F LT side porcelain bushing for 100 to 400 KVA capacity transformer complete as in repairs all as specified.
8
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S&F HT (11KV) side porcelain bushing for 100 to 400 KVA capacity transformer complete as in repairs all as specified
8
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S&F LT side copper set stem with nut bolts and washers complete for 100 to 400 KVA capacity transformer complete as in repairs all as specified
7
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S&F HT side brass set stem with nut bolts and washers complete for 100 to 400 KVA capacity transformer complete as in repairs all as specified
8
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Supply only enamelled copper winding wire/strips of superior quality and approved make of suitable gauge and number of turns for rewinding HT/LT damaged coils of transformers of different make, type and capacity alongwith allied materials such as cork sheet, fibre glass insulation / paper insulation / cotton, ampere tape and wooden blocks, bolts, nuts and washers (Brass) soldering and other packing materials etc., all as specified and directed by Engr-in-Charge.
Make : Atlas / BIC
200
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Transportation of transformer carefully, any capacity, including lifting, loading and unloading, from site of work/ power house to workshop and back after completion of work in workshop, Dismantling and taking out the transformer step down 11KV / 433 Volts capacity ranging from 50 KVA to 315 KVA, pole mounted/platform mounted at Darjipura area, disconnecting all electric connections(HT and LT side) including Earthing, taking down carefully and removing the top cover for inspection and then draining of complete transformer oil and taking out the core alongwith HT/LT coils, rewinding, heating, varnishing, testing and housing accessories in transformer body and connecting up, refilling the dehydrated/ filtered transformer oil / top up new transformer oil, reassemble all accessories and refix the top cover nut bolt washer with providing new rubber gasket and installing, recommissioning, the transformer at its original place, connecting up HT & LT sides, earthing and supporting angles/cross arms etc and testing & preparing report as per the format attached as appendix and maintaining proper record all as directed by Engr-In-Charge.Note: Spares(other than mentioned above) used will measured saparately.connecting with existing electrical system HT/LT and commissioning complete on load all as specified and directed by Engr-in-Charge. Note:(i) The transportation shall be to any distance within municipality limits of Baroda. (ii) Rates of Hydra for lifting transformer at both the places(Site and workshop) both time pre and post repair is deemed to be included in quoted rates.
3.Winding wires /strips of copper or aluminium, shall be measured and paid separately. 4. Spares like Breather assembly, Temp Gauge, LT Bushing, HT Bushing, Top up of new Transformer oil shall be measured and paid separately under respective items. 5. Dehydration and filtration of existing oil shall be measured and paid separately.
5
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M & L Preparation of transformer surfaces of any description, and capacity 100 KVA to 400 KVA, in any position and painting of transformers out side with applying two coats of synthetic enamel grey paint after removing all dust/rust and paint must confirm to IS 2032 (latest) including writing the SM No/MES No on transformers with white paint in the existing style/pattern complete all as specified & directed by Engineer-in-Charge.
11
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M&L Taking out and relaying of serviceable LT UG cable retrieved from taking down/ dismantling, after cutting into pieces serviceable portion complete all as specified and directed by Eng-In-Charge.
Note:- Excavation, retuning filling removal , cable joints as applicable shall be measured & paid separately under relevant items in case making re route for relaying UG cable
300
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Supply and lay GI tubing 100 mm bore, light grade for cable protection at road crossing / on poles and tubing sealed at both ends after laying the cables complete as in repairs all as specified
30
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Supply and lay GI tubing 80 mm bore, light grade for cable protection at road crossing / on poles and tubing sealed at both ends after laying the cables complete as in repairs all as specified
40
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M&L Servicing and maintenance of HT VCB 11000 Volt 400 Amp of any make and type at existing site including opening /drawing out the VCB trolley after switching off electric supply testing and maintenance of VCB panel complete with following:- (i) Checking of all mechanical/electrical control systems for proper functioning including spring charging system, tripping system, indication system, vacuum interrupter; cleaning & servicing the fixed/moving contacts & blowing out dust and applying the proper lubrication/greasing complete, (ii) checking of Contact Resistance (RYB) and Auxiliary Supply voltage of closing coil, tripping coil, Motor; cleaning & servicing for proper functioning (iii) Timing Test of closing time and opening time, IR value with 5 KV meagre before and after HV, (iv) Checking of PT & CT which shall include ratio test and healthiness of the HT and LT fuses and associate circuiting. (v) Breaker testing which includes (a)Insulation resistance, (b)Pick up and drop of operating coils, (c) To check IR Values(CT) (d) To carryout polarity test(CT), (e) to check Knee point voltage/ measurement in case of class PS CT (vi) Servicing of HT, 11 KV, VCB, 400 Amps capacity, 50 Hz, breaking capacity 50 KA by drawing out from moving contacts for smooth functioning including replacement of tripping and closing coils, 30 volts, DC and servicing of solenoid switch, all as directed, (vii)Dismantling of unserviceable bus bar bushing from existing 11 KV bus bar chamber and supply and fix bushing suitable to match existing bushing complete, (viii) Removing the burnt out fixed contact assembly from the HT, VCB, 11 KV, 400 Amps of Areva Make supply and fix contact assembly of copper strip all as specified and directed, (ix) To carryout HV (AC ) Test in open & close condition with suitable HV Kit for both 11 KV VCBs. (x) To check contact resistance (by millivolt drop test or with micro Ohm meter). (Note: Servicing of VCB to be done only by authorised dealer/ servicing partner of Schneider/ Areva/ Alstom and CG ( as approved by GE) and proper voucher to be submitted which will be responsibility of the contractor. Strictly No any other unauthorised servicing team/people will be allowed to carry out servicing).
13
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Supply only spare parts of 11 KV VCB,400 Amps capacity as in repairs of Make: Crompton Greaves, conforming to the respective cat part given as under :-(Note :(i) Fixing & testing element of following item is deemed to be included under Sch `A’ item No 62 above. (ii) Quantity of under mentioned items is tentative and contractor shall have no claim on account of variation of quantity or non execution of any of the item.
-
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Vacuum interrupter suitable for 11 KV VCB Make CG
1
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Fixed contact block 400 amps.
1
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Auxiliary switch (6 NO + 6 NC ).
1
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Closing coil 30 V DC
4
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Tripping coil 30 V dc
4
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Heating element with thermo stat switch
6
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Buffer closing Spring
1
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Buffer opening Spring
1
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Support Insulator 11 Kv
10
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Moving contact
2
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Tulip contact
5
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Finger contact
1
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Spring changing motor 230V
1
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Taking out existing unserviceable mechanical type IDMT Relay from existing VCBs and Supply and fixing of Microprocessor based numerical relay Over current and earth fault complete Make L&T MC61 ANX2200 with 2NO+2NC including Retrofitting Charges with blanking plate and necessary wiring, including calibration testing (primary and secondary injection) and commissioning all as directed by Engr-in-Charge
4
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M&L Calibration of IDMTL relays through primary and secondary injection method and testing complete, re-setting where required and ensuring proper functioning of earth fault and over current relays all as directed. (Spares required to be replaced shall be measured and paid for separately under relevant items here in after).Main incoming MRS, Main incoming Malar Camp.
13
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S&F Tripping and closing coil shaft with springs & Trip strips of standard manufacturers suitable for existing relay, fixed as in repairs ( of make used by original manufacturer of VCB).
1
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S&F Rack in rack out gear assembly of standard manufacturers suitable for existing VCB , fixed as in repairs ( of make used by original manufacturer of VCB).
1
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S&F VCB spout of standard manufacturers suitable for existing VCB , fixed as in repairs ( of make used by original manufacturer of VCB).
1
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S&F Vacuum Circuit breaker Mechanism for 11 kv VCB of standard manufacturers suitable for existing VCB , fixed as in repairs ( of make used by original manufacturer of VCB).
1
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S&F Power Pack 110 V AC three phase and out put 30 volt DC as per sample, of standard manufacturers suitable for existing relay, and as per sample kept in the office of GE, fixed as in repairs.
4
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S&F Wound type 11 KV RESIN CAST CT CTR : 100-50/5-5A Core1 : CL 1, 15 VA, at 50/5 A CL 1, 15 VA, at 100/5 A,Core2 : CL 5P10, 15 VA, at 50/5 A CL 5P10, 15 VA, at 100/5 A,STR : 13.1KA/1 SEC, Frequency: 50 Hz BIL : 12/ 28/ 75 KV, Insulation Class: B,Ref Std.: IS 2705, Secondary Terminals on P1/P2 Side complete, fixed as in repairs after removing old existing CT, all as specified and directed by Engr-in-Charge and as per sample kept in the office of GE .Make: Bharti/ECS/Schneider
3
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M &L Anti-track spray for VCB, minimum 4 coat at the interval of 15 min, High gloss, high dielectric strength , Electric Strength upto 50kV/1mm layer of paint, Thermal Stability upto 200 Deg. Celsius, Tracking Index 400, Permittivity at 50 Hz - 56.5., flexible tough epoxy anti- track coating with excellent resistance to abrasion, wear, oil, water acids & alkalis, Restores “IR” values & prevents breakdowns, di-electric coating designed to prevent tracking, arcing and flash overs caused by dust and moisture specifically on bus bar end-bushings, inside bus bar chamber surface and insulators. Weather proof & non-ageing Applications: Ultra high hydrophobicity & UV, weathering durability.
12
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M&L Cleaning of grass and bushes aroundaround two pole structure and four pole structure, RMU/VCB/ LT Panel area, complete including cutting unwanted ingress upto10mtrX10mtr area or area inside chain link fencing area complete all as specified and directed by Engineer-In-Charge.
Note: The contractor shall bring all the tools and man power for proper cleaning of the area shown by concerned AGE/JE(E/M).
(ii) Cleaning job shall be carriedout every two month interval as a one job at each installation as directed by Engr in Charge
20
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Supply and laying 40mm graded stone aggregate on surface with 10 cm depth in side pole mounted substation complete all as specified and directed by Engr in Charge
60
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M & L Detecting fault in cable through Fault Locator Machine Vehicle, complete, alongwith their specialised team; finding out the exact HT fault location from both end terminations of underground cable; submission of report of fault for verification and records of Engineer in Charge; including necessary excavation and earthwork, returning filling in, removal of surplus spoil, sand cushioning, cable covers complete all as directed.
15
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M&L Servicing and maintenance of HT RMU 11000 Volt 630 Amp 1 I/C+ 2 OG of any make and type at existing site including opening the RMU after switching off electric supply testing and maintenance of RMU panel complete with following:-
(i) Checking of all mechanical/electrical control systems for proper functioning including spring charging system, tripping system, indication system, vacuum interrupter; cleaning & servicing the fixed/moving contacts & blowing out dust and applying the proper lubrication/greasing complete, (ii) checking of Contact Resistance (RYB) and Auxiliary Supply voltage of closing coil, tripping coil, Motor; cleaning & servicing for proper functioning (iii) Timing Test of closing time and opening time, IR value with 5 KV megger before and after HV, (iv) Checking of PT & CT which shall include ratio test and healthiness of the HT and LT fuses and associate circuiting. (v) Breaker testing which includes (a)Insulation resistance, (b)Pick up and drop of operating coils, (c) To check IR Values(CT) (d) To carryout polarity test(CT), (e) to check Knee point voltage/ measurement in case of class PS CT (vi) Checking of pressure of SF6 chamber if found low pressure then top up SF6 gas.
(vii) Calibration of overcurrent and earth fault relay.
(viii) Replacement of relay power backup batteries (ix) To carryout HV (AC ) Test in open & close condition with suitable HV Kit for both 11 KV VCBs. (x) To check contact resistance (by millivolt drop test or with micro Ohm meter). (Note: Servicing of RMU to be done only by authorised dealer/ servicing partner of Schneider/Areva/Alstom /L&T and CG ( as approved by GE) and proper voucher to be submitted which will be responsibility of the contractor. Strictly No any other unauthorised servicing team/people will be allowed to carry out servicing).
(ii) SF6 Gas will be measured and paid separately
4
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Supply only SF6 insulated gas for RMU
60
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M&L Silicone rubber overhead line/ jumper sleeve suitable for 11KV overhead ACSR conductor of size 15mm dia, , highly resistant to aging, erosion and corona, provide protection against electrical outages caused by incidental contact from tree branches or wildlife, at the substation protection, high temperature performance, complete to fix on jumper of two pole / 4 pole structures complete all as directed by Engr-in-Charge
150
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M&L AAAC conductor (All Aluminium Alloy Stranded Conductor ) 7/4.26mm (dog) size 99.8 sqmm overall dia 12.78mm for fix in place of existing jumper at two pole/4pole structure complete all as specified
150
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S&F Substation connector any type such as T connector, PG Clamp, PAD connector complete
50
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M & L Earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6 mm thick buried in ground (earth pit not less than 2.25 Mtr deep below normal ground level with top edge of the plate not less than 1.5 Mtrs below normal ground level, connecting to galvanized iron earth strip 32x6 mm as earthing lead by means of bolt ,nuts, check nuts and washer of galvanized iron or steel besides welding of all joints as shown in drawing and including excavation and earthwork and earth lead protection by provision of GI medium grade pipe 40 mm bore including provision of concrete pit in PCC (1:2:4) type B1 using 20mm graded stone aggregate with 40mm thick cover of RCC (1:2:4) reinforced with XPM (weight not less than 4gs/Sqm) and frame of angle iron 25mm x 25mm x 6mm with lugs 02 Nos and with 6 mm dia MS bar handle made to shape, GI light grade 20mm bore pipe for watering perforated at the bottom 1.75 meter long placed on top edge of earth plate common salt and charcoal filling test point made out of 40mm x 8 mm FI with fixing arrangements, funnel, wire mesh and earth work in hard dense soil, returning filling in and removal of surplus soil to a distance not exceeding 50 Mtrs all as per electrical Plate No.3 of SSR Part I and connecting to earth test point all as specified or indicated including testing on completion
Note:
(i) Item includes the cost of 7.5 metre length GI pipe for protection of earth lead and earth lead . (ii) Earth resistance of earth pit should be less than 0.5 Ohms. On testing after completion if the desired earth resistance in not obtained the earthing will be redone at no extra cost
10
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M&L 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 or any other indicated situation for loop earthing etc. as required 32x6mm galvanised iron
strip
90
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