Tender For Laying Of Earth Mat At Proposed New 33 / 11Kv Ais Type Sub-Station With ( 2X10 ) Mva Ptr Capacity At Upwan ( Mla-Osl ) Project Under Siliguri Sub-Urban Division, Wbsedcl
Tender Value
35.33 Lakhs
Estimated cost
Bid Submission
12 Jun 2023
0 days left
EMD
70672
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
matigara → West Bengal
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Laying Of Earth Mat At Proposed New 33 / 11Kv Ais Type Sub-Station With ( 2X10 ) Mva Ptr Capacity At Upwan ( Mla-Osl ) Project Under Siliguri Sub-Urban Division, Wbsedcl
BOQ
| Sl. No. | Item Description |
| 1 | Supply of M.S. Flat75X8MM(Make: SAIL) |
| 2 | Supply of M.S. Flat65X6MM(Make: SAIL) |
| 3 | Supply of G.I Pipe of40mm I/D & 50 mm O/D 3MTR. Long heavy duty (ISI mark) with perforation of 12mm diameter eachwith suitable G.I Clamp (Pattern of Perforation will be made as per drawing given by site office ) |
| 4 | Erection of Earth Rods, a pit of 600mm x600mmx 3mtr. is required to be dug. The ground electrode is placed at the centre of Pit. The sorrounding volume is back filled with Bentonite suspension formed by mixing Bentonite with large quantity of water .The low resistivity good earth to good quality of bentonite powder ratio may be 2:1 (Construction of earth pit 300mmx 300mmx300mm by brick and RCC Checkers plat for top of earth pit) |
| 5 | Supply of Sodium Based Bentonite Powder (IS:2911-(PART-1/SEC-2)1979) |
| 6 | Mixing of low resistivity foreign soil with Bentonite powder at the ratio of 2:1 for entire switchyard area (34m x 23 m) to a depth of 1mtr and at earth Chambers (1 & 2) to a depth of 2.5 mtr |
| 7 | Laying of earth strip by M.S. Flat 75x8 mm on 600mmx600mm depth & M.S. Flat65X6MMfor Rising, Welding & Bolting (jointing of earth strip & Risire by 125mm laping and painted on all welded portion by zinc chromate paint) |
| 8 | Earth work excavation of switchyard area (34m x 23 m) depth up to 1500 mm including removing & spreading within 75mtr. Lead |
| 9 | Earth work excavation of switchyard area (34m x 23 m) depth from1500- 3000 mm including removing & spreading within 75mtr. Lead |
| 10 | Filling of soil by Carried goodearth having resistivity of around 30?-Mtr within redious upto 5 to 10km. The cost is inclusive of Material, carriage & labour for filling complete in all respect. |
AI Tender Summary
Tender Timeline
May 22, 2023
11:30 IST
Tender Published
Tender notice published.
CompletedJun 12, 2023
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
CompletedJun 15, 2023
Bid Opening Date
Technical bids will be opened and evaluated.
CompletedTender Documents
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