Tender For Repair/Mainteance Of Ht Electrical Services, Connected Eqpt/Plant (Transformer)With Ht Cables, O/H Lines Of Cda/Lao Complex Under Ge Guwahati
Tender Value
19.90 Lakhs
Estimated cost
Bid Submission
02 Oct 2026
19 days left
EMD
40000
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Kamrup Metro → Assam
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair/Mainteance Of Ht Electrical Services, Connected Eqpt/Plant (Transformer)With Ht Cables, O/H Lines Of Cda/Lao Complex Under Ge Guwahati
BOQ
| Sl. No. | Item Description |
| 1 | Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or water supply pipes lines etc or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed. |
| 2 | Excavating in trenches not exceeding 1.5 m wide and exceeding 1.5 m but not exceeding 3.0 in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 Sqm on plan and exceeding 1.5 m but not exceeding 3 m in depth and getting out in soft/ loose soil complete all as specified and as directed. |
| 3 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed. |
| 4 | Removing excavated material not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed. |
| 5 | Supply & laying Sand coarse dry as in cushioning of underground electric cable in trenches, laid to a uniform thickness of 23cm (15cm under the cable & 8cm over the cable) and gently punned down to 18cm thickness complete all as specified and as directed. Note :- Only punned down sand shall be measured. |
| 6 | Supply & laying unreinforced precast concrete cable cover class HVP type 1, with peak shape, dimension 300 mm X 180 mm X 40 mm and 65 mm peak thickness as per IS 5820: 1970 and MES marking on top of cover complete all as specified and directed. |
| 7 | Supply, laying and testing cross linked polyethylene (XLPE) insulated, PVC sheathed cables for working voltages 11 kV, three phase, earthed system, 3 core, screened, armoured power cable, 95 sqmm of nominal area of conductor, aluminium conductor, ISI marked as per IS 7098 (Part-II): 2011 laid in trenches or under floors making all connections with necessary glands lugs bushing including taking down complete all as specified and as directed. |
| 8 | Taking out / down faulty serviceable11KV, HT UG cable in existing trenches/duct/on HT poles of nominal cross sectional area from 95 to 185 Sqm, 3 core including disconnecting, PCC covers, GI Pipe etc. of any descriptions, including segregation of serviceable materials viz PCC cable cover, GI Pipes etc. and tracing the location of fault and keep in safe custody for re-use complete all as specified and as directed NOTE :(i) Earth work shall be measured and paid for separately under relevent items(ii) Serviceable cable covers will be kept aside for re-use. |
| 9 | Laying only unreinforced precast concrete cable cover class HV type 2, flat shape, dimension 450 mm X 180 mm X 40 mm as per IS 5820: 1970 complete all as specified and directed. |
| 10 | Supply and laying in trenches 80 mm bore light grade galvanised iron pipe conforming to IS 1239 (Part I) 2004 including all fittings conforming to IS 1239 (Part II) 2011 complete all as specified and directed. |
| 11 | S & F 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 50 sqmm to 95 sqmm complete all as specified and as directed. |
| 12 | S & F XLPE cable end termination, heat shrinkable, outdoor type complete with jointing material and accessories suitable for voltage 11 kV (Earthed), 3 core 50 sqmm to 95 sqmm complete all as specified and as directed. |
| 13 | Filtration & de-hydration of transformer oil to achieve the test results as per IE rules with filtration plant including topping up of transformer oil.Note :(a) the filtration of the transformer oil is to be carried out at different sub stations at CDA/LAO complex.(b) the report before filtration & after filtration to be submitted by contractor in the approved (c) Transformer oil for topping up will be measured under respective item of Sch A. |
| 14 | Supply only Transformer oil confirming to IS 335 Std for topping up in distribution transformer duly filtrated under respective item of Sch A complete all as directed and specified. |
| 15 | M&L for preparation of surfaces and painting of transformer of capacity up to 250 KVA complete incl conservator tanks, fins etc with two coats of smoke grey synthetic enamel paint by spray painting machine complete all as specified and directed. |
| 16 | Disconnecting the distribution transformers outdoor / indoor type from HT/ LT system and opening carefully at site only by draining out transformer oil upto HT/LT boxes for rectifying the leakage by replacing the unserviceable spare parts of capacity 25 to 500 KVA transformer, refilling the transformer oil and complete assembling after repairs including testing for any oil leakages and connecting the HT/ LT system after the leakages have been rectified and tested on available electric load.Note :- Defective parts replaced will be measured and paid separately as \\"Supply only\\" under respective items here in after. |
| 17 | Supply only top cover gasket set as per existing size and shape complete for 50 to 250 kVA capacity transformers complete all as specified and as directed. |
| 18 | S & F in replacement of breather assembly transparent plastic body with top and bottom portion pressed with metallic cover, filled with silica gel blue in colour and suitable for fixing on existing pipe of size 15/20/25 mm dia with suitable reducers/connectors etc as per site requirement /capacity of transformer complete all as specified and directed. Note :- Rate quoted shall be deemed to include the cost of modification if any required to fix on existing MS Pipe. |
| 19 | Dismantling cross-arms of mild steel channel or angle sections etc. complete and setting aside by diconnecting all electrical connections for re-use or removing to store or for schedule of credit complete all as specified and directed. |
| 20 | M & L for cross arms, bracings, supports, clamps, back plates and stay clamp 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 applying two coats of aluminium paint over a coat of red oxide primer complete all as specified and as directed. |
| 21 | Surface excavation not exceeding 30 cm deep and averaging 15 cm deep and getting out in hard/ sense soil complete all as specified and as directed. |
| 22 | M & L for cement concrete in foundation, filling and mass concrete in M7.5(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed. |
| 23 | M & L for cement concrete M15 (Nominal Mix) using 20 mm nominal size graded crushed stone aggregate in lintels upto 1.5 m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs, slab staging for water tanks, filling of pressed steel door frame, fixing of hold fasts and the like including weathering, slightly rounded or chamfered angles and throating including necessary formworks complete all as specified and directed. |
| 24 | M & L for cement concrete in foundation, filling and mass concrete in M10(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed. |
| 25 | M & L for steel tubular swaged pole 410 SP-55 (11.0 metre long) seamless type, including CI base plate, finial taper plug, bolts, nuts & screws as per IS 2713 Part -I & II including painting with two coats of bituminious paint over a coat of red oxide zinc chrome primer on exposed portion and making strips of width 30 cm upto 1.5 m from the ground level in black and yellow shade in alternate layer including numbering of poles using two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer and two coats of anticorrosive paint over a coat of red oxide primer to embedded portion of pole including making good to match existing area complete all as specified and as directed. Note- Earthwork and PCC shall be measured and paid seperately. Volume occupied by steel pole shall be deducted to derive the quantity of PCC. |
| 26 | Supply, spread & levelling aggregate of guage/ size 40 to 80 mm size around the transformer, HT two pole structure, HT four pole strcture etc in the sub stations complete all as directed and specified. |
| 27 | M & L for replacement of 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 colour and fixed with mild steel clamps, bolts and nuts of approved size, for HT, 250 mm X 200 mm complete all as specified and as directed. |
| 28 | S & F gang operated air break switch, three poles, mechanically operated outdoor type, nominal system voltage 11 kV, rated voltage 12 kV, rated normal current 400 Amps, rated frequency 50 Hz, rated one minute power frequency withstand voltage between (i) earth & poles 28 kV (rms) (ii) across the isolating distance 32 kV (rms), rated lightning impulse withstand voltage (i) to earth and between poles 75 kV (Peak) (ii) across the isolating distance 85 kV (Peak), Rated short-time withstand current 25 kA for 3 seconds, rated peak withstand current 63 kA for climatic conditions at the site, mechanically operated mounted on insulator and steel frame with operating mechanism worked from ground level for current complete all as specified and as directed. |
| 29 | S&F in replacement Polymer based dropout fuse unit complete set suitable and including for 11 KV, HT outdoor and dropout type of capacity 200 Amps including jumper connections with copper flexible designed jumper and testing and commissioning complete all as specified and directed. |
| 30 | S&F in replacement Polymer Pin type insulator of 11 KV including necessary hardware complete all as specified and directed. |
| 31 | S&F in replacement Polymer disc type insulator,ball and socket type, 2 in series for 11 KV including necessary hardware complete all as specified and directed. |
| 32 | Supply and fix in replacement of synthetic insulating mat of size 2m x 1m x 19mm complete all as specified and directed. |
| 33 | M & L for earthing complete with copper plate earth electrode 600 mm X 600 mm X 3.15 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 20 mm X 3 mm copper strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 40 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing including taking down old complete all as specified and as directed. |
| 34 | M & L for earthing complete with galvanised steel plate earth electrode 600 mm X 600 mm X 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 25 mm X 4 mm galvanised mild steel strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 40 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed |
| 35 | S&F in repair Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm longhex. head screw complete all as specified and directed. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 11, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedOct 02, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 19 daysOct 03, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 20 daysTender Documents
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