Provn Of Standby Power Supply To New Ops Complex At 118 Hu And Special Repair / Replacement Of Earthing Pits At 19 Wing Af Stn Under Ge ( Af ) Borjhar Provn Of Standby Power Supply To New Ops Complex At 118 Hu And Special Repair / Replacement Of Earth
Tender Value
25 Lakhs
Estimated cost
Bid Submission
28 Feb 2022
0 days left
EMD
50000
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
borjhar → Assam
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Provn Of Standby Power Supply To New Ops Complex At 118 Hu And Special Repair / Replacement Of Earthing Pits At 19 Wing Af Stn Under Ge ( Af ) Borjhar Provn Of Standby Power Supply To New Ops Complex At 118 Hu And Special Repair / Replacement Of Earthing Pits At 19 Wing Af Stn Under Ge ( Af ) Borjhar
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 21-Feb-2022 | Corrigendum | Other | 28-Feb-2022 |
BOQ
| Sl. No. | Item Description |
| 1 | Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth and getting out in soft/loose soil for lying of cables, etc. complete all as specified and as directed. |
| 2 | M&L for returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25cm in soft/loose soil complete all as specified and as directed. |
| 3 | M&L for removing surplus soil to a distance not exc. 50m and depositing where directed at a level not exc. 1.5m above the starting point complete all as specifieda nad as directed. |
| 4 | M&L for sand cushioning for under ground cable with locally available sand for protection of cable including spreading and consolidations complete all as specified and as directed. |
| 5 | Supply and laying in trenches dry well burnt locally available sub class “B” bricks over sand cushioning for protection of cable complete all as per specified and as directed. |
| 6 | Supply and laying XLPE insulted, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cable, heavy duty, with aluminium conductor 1100 volts grade, cross sectional area 95 Sqmm 3.5 core complete all as per specified and as directed. |
| 7 | M&L for boring of hole under road, pavement hard standing by trenchless technology using ultra sounding techinque and necessary machine including GI pipe, medium grade of size 80mm bore suitable for 0.4 mpa working pressure complete all as specified and as directed. |
| 8 | M&L for chemical copper earthing complete with copper earth plate of size 900x600x5mm thick with charcoal and salt and treating the surrounding soil with magnesium sulphate, burried directly in ground (earth pit not less than 2.4m deep below ground level) with top edged of the plate not less than 1.5m below normal ground level, connected to copper strip of size 32x6mm earth lead by means ofbrass nuts, bolt, check nuts and washer and protection pipe for earth strip from earthing plate to the equipment/test point/panel (40mm bore GI pipe, light grade), watering pipe from plate to earthing pit (20mm dia GI pipe, medium grade) funnel with wire mesh. Earth pit made up of PCC (1:3:6) type C1 (using 20mm graded stone aggregate) and pit cover made up of 40mm thick pre cast RCC (1:2:4) type B1 (using 20mm graded stone aggregate) reinforced with 6mm dia TMT bar and suitable handle of 8mm dia TMT bar including necessary excavation and earth work complete all as shown in SSR Part-I Plate No 5 complete all as specified and directed. |
| 9 | NOTE : (i)The copper strip and protection pipe beyond 7.5m length shall be measured and paid separetly. (ii)Chemical like megnasium sulphate of minimum quantity 150 kg for treatment of surrounding soil is deemed to be included in the quoted rate.(iii)The desire value of earth resistance is less than 2? on testing after completion if the desired earth resistance is not obtained, the earthing will be redone at no extra cost, or otherwise, it will not be measured and paid to the contractor.(iv)The approximate size of earth work for chemical treatment soil and earthing is 2.4x1.5x0.6m (D x L x W) and form work of size 1.2x0.9mx0.6m for pouring charcoal and salt is deemed to be included in the quoted rate. (v)No extra cost shall be admissible in case surface water found during excavation and earth work at site but cost of dewatering through pumpset is deemed to be inclusive with the quoted rate. |
| 10 | All as per Serial item No. 8 here-in-before but using electrode copper plate of size 600x600x3.15mm and using 20x3mm copper strip. |
| 11 | M&L for replacment of earth continuty conductor with copper earth strip of size 20x3mm or main earthing lead fixed to wall with bridge insulator/duct/roof or any other indicated location for loop earthing, etc. complete all as specified and as directed. |
| 12 | All as per Serial item No. 10 here-in-before but using copper strip of size 32x6mm. |
| 13 | Supply, installation, testing and commissioning of slient Diesel Engine driven Generating Set, 415 volts, 3 phase, 4 wire engine as per IS : 1000/10002 and alternator as per IS : 13364 complete with relay panel for automatic starting on mains failure control panel having meters, sound proof canopy and necessary foundation, etc. of capacity 62.5 KVA complete all as specified and as directed. |
| 14 | M&L for Test point terminal block, made of gun metal or phosphorous bronze of size 75x75x25mm, drilled and screwed including 3 Nos 8mm dia 25mm long hex head screw within halogen free weather proof IP-66 enclosure with one/two Nos mounting brackets complete all as specified and as directed.Make : Hansel/OBO/Denson/M-Seal. Note : The test point should be 1.0m above from normal ground level. |
| 15 | Taking out carefully old corroded earth continuity conductor of any types and sizes from brick wall/RCC structure/ CGI sheet or equivalent location including making good to disturbed surfaces complete all as specified and as directed. |
| 16 | M&L for earth continuity conductor or main earthing lead, fixed to wall/roof by DMC insulator (as required basis) on any other indicated location for loopearthing,etc. with 20x3mm copper strip complete all as specified and as directed. Note : Copper strips shall be fixed on bridge insulator of 60cm apart if required. |
| 17 | M&L for earth continuity conductor or main earthing lead,fixed to wall/roof by DMC insulator (as required basis) on any other indicated location for loopearthing, etc. with 32x6mm copper strip complete all as specified and as directed.Note : Copper strips should be fixed on bridge insulator of 60 cm apart if required. |
| 18 | Taking out old carefully corroded steel tubes of any types andsizes from brick wall/ RCC structure/ CGI sheet or equivalent locations inclufing making good to disturbed surfaces complete all as specified and as directed. |
| 19 | S&F galvanized steel tubes of size 50mm bore, light grade, including all fittings like bends, sockets, etc., fixed on walls/ceilings/floors by MS clamps for earth strip protection complete all as specified and as directed. |
| 20 | M&L for clamped joints (by overlapping the bars and applying clamps around the overlap) after brazing the jointing portion of the copper earthing strips complete all as specified and as directed. |
| 21 | M&L for Magnesium Sulphate (dry) [contains not less than 65.0% and not more than 70.0% of magnesium sulphate] to mix with soil as ground enhancing chemicals complete all as specified and as directed.Note: Test Certificate from Government approved laboratory in connection of purity of Magnesium Sulphate to be produced by the contractor at the time sample of materials submission for approval. |
AI Tender Summary
Tender Timeline
Feb 21, 2022
11:30 IST
Tender Published
Tender notice published.
Completed
Feb 28, 2022
18:00 IST
Corrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
CompletedFeb 28, 2022
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
CompletedMar 02, 2022
Bid Opening Date
Technical bids will be opened and evaluated.
CompletedTender Documents
Download All (ZIP) ↓
Disclaimer
We takes all possible care for accurate & authentic tender information. However users are requested to refer Original source of Tender Notice / Tender Document published by Tender Issuing Agency before taking any call regarding this tender