Tender For Improvement Of Lightning Protection System By Installing Lightning Arrester At Fabrication Shop-1 Of Ews.
Tender Value
2.38 Lakhs
Estimated cost
Bid Submission
22 Aug 2026
6 days left
EMD
4800
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
Kolkata → West Bengal
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Improvement Of Lightning Protection System By Installing Lightning Arrester At Fabrication Shop-1 Of Ews.
BOQ
| Sl. No. | Item Description |
| 1 | Earth busbar Supplying & fixing earth busbar of galvanized (HOT Dip) MS flat 40 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required. |
| 2 | SCHEDULE OF RATES FOR EARTHINGINSTALLATIONS.Earthing Installation by GI pipe ... (FOR Sub(station Neutral/Equipment earthing).Earthing with 65 mm dia GI pipe(TATA(Medium)x 3.0 Mts. long and 1 No. 50 mm x 6 mm galvanized (HOT Dip) steel strip (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including finishing bothends by making holes etc. and S & F 65 mm dia GI pipe (ISI Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts |
| 3 | SCHEDULE OF RATES FOR EARTHING INSTALLATIONS.Soil Excavation.Excavation of soil FOR installation of Earth Electrode and filling & ramming.FOR Morrum Soil. |
| 4 | Extra FOR providing masonery enclosure on the top of the earthelectrode of overall size 86.36 cm x 86.36 cm x 46 cm deep belowGround level) complete with cemented brick work(1:6) of 25 cm widthduly plastered with cement morter (inside) CI hinged inspection coverof size 36.56 cm x 35.56 cm with locking arrangement, GI reducerincluding drilling of 46 nos. 12 mm dia holes on the GI pipe |
| 5 | Extra FOR treatment of soil by using salt & charcoal or coke FOR plate electrode |
| 6 | Earth busbar Supplying & fixing earth busbar of galvanized (HOT Dip) MS flat 65 mm x 8 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required |
| 7 | SCHEDULE OF RATES FOR INSTALLATION OF LIGHTNING CONDUCTOR 1. S & F Lightning conductor Air-terminals made of 15mm dia 1500 mm long GI pipe (ISI Medium) having five prongs of 4 SWG GI (Hot Dip) wire at top with 85 mm dia 6 mm thick GI base plate at bottom incl. necessary holes etc. duly grouted on the parapetetc. in CC mortar (4:2:1) |
| 8 | SCHEDULE OF RATES FOR INSTALLATION OF LIGHTNING CONDUCTOR 7. Hiring charges FOR scaffolding arrangement including dismantling at the end of work and carriage, FOR LC installation, per storey of building per vertical run |
| 9 | SCHEDULE OF RATES FOR INSTALLATION OF LIGHTNING CONDUCTOR 6. Making soldered joints between conductors and down pipes/ other metallic objects FOR 14 SWG GI (Hot Dip) wire including supply of necessary 4 SWG GI (Hot Dip) wire, jointing materials and painting with 2 (two) coats of bituminous paint |
| 10 | SCHEDULE OF RATES FOR INSTALLATION OF LIGHTNING CONDUCTOR 4. Cutting cornices/ steps etc. including cutting recess in buildings etc. & supply & fixing 15 mm bore (ISI-Medium) GI pipeprotection as below and mending good damages to the building works: (b) Length above 0.5 Mtr |
| 11 | SCHEDULE OF RATES FOR INSTALLATION OF LIGHTNING CONDUCTOR 3. S & F of 4 SWG GI (Hot Dip) wire on wall FOR the lightning conductor as required ( FOR vertical run) with GI Staples (40mm long) spaced not exceeding 1 Mtr. apart incl. mending good the damages to building works (excluding hire charges of scaffolding) |
| 12 | Erection of Galv. (HOT Dip) Cross arms/ `D... Iron Clamp.3. Supplying & Erection of 50x50x6x300 mm long Galv. angle iron crossarm FOR carrying insulators incl. painting |
| 13 | A N N E X U R E - I Basic Rate of Materials: (All Rates of materials from K-1 to K-14 are excluding VAT) 127. 80mm GI pipe (ISI-Medium) |
| 14 | Supplying and fixing PVC Rigid Conduit 'FR' [Precision Make] on wall, ceiling with saddles and other accessories as required and mendinggood damages to building works 25mm size |
| 15 | Sub Total |
| 16 | GST 18% |
| 17 | CESS 1% Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Aug 11, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedAug 22, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 6 daysAug 24, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 8 daysTender Documents
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