Tender For Supply Installation Testing and Commissioning of Lightning Arrester For (G+3) Purta Bhawan Building, Salt Lake, Kolkata-91.
Tender Value
4.78 Lakhs
Estimated cost
Bid Submission
05 Aug 2026
19 days left
EMD
9561
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
24 Paraganas North → West Bengal
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Supply Installation Testing and Commissioning of Lightning Arrester For (G+3) Purta Bhawan Building, Salt Lake, Kolkata-91.
BOQ
| Sl. No. | Item Description |
| 1 | S&F Lightning Conductor Air Terminal made of 20 mm dia 1000 min long Gi pipe (151 Medium) having five discharge prongs of 4 SWG GI (Hot Dip) wire at top duly soldered/welded with 7/16 stranded GI (Hot Dip) wire and 85 mm dia 6 mm thick Gi base plate at bottom incl. ne necessary holes etc. complete duly grouted on the parapet etc. in CC mortar (4:2:1), Including thimble joints of 7/16 SWG wire and (25) x6) mm Gl strip with SS nuts, bolts & washers. (P-J-2/Item-14+NS). |
| 2 | Supply & Fixing of 25 mm x 6 mm thick GI (Hot Dip) flat/strips for Horizontal & Vertical run on wall/floor with GI shaddles as required including drilling holes, bolts, nuts. washers, etc./ and mending good the damages to building works. (Page: G-3/item-5d). |
| 3 | Cutting cornices/ steps etc. including cutting recess in buildings etc. & supply & fixing 15 min bore (ISI-Medium) Gl pipe protection as below and mending good damages to the building works: (P:J-1/item-4] i) Length upto 0.5 Mtr |
| 4 | ii) Length above 0.5 Mtr |
| 5 | Hiring charges for scaffolding arrangement including dismantling at the end of work and carriage, for LC installation, per storey of building per vertical run. (P :J-1/item-7) |
| 6 | Supply & Fixing of Testing Joints by 25 mm 6 mm thick Gl (Hot Dip) strip 125 mm long on wall after making suitable arrangement to establish a clearance of 50mm from wall for making junction connection with vertical conductor and conductor from earth electrode complete with S & F GI bolts. nuts, check-nuts, spring washers etc. as required. (Rate arrived from GS. Page :J-2/Item-13) |
| 7 | Earthing with 65 mm dia Gl pipe (TATA-Medium) 3.0 Mts. long with welded 2 nos. half circle bracket made of Gl strip (65 x 3) mm. with two holes on extended portion of the each strip of length min. 250 mm, 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 both ends by making holes etc. and 5 & F 65 mm dia Gl pipe (151-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. (Rate arrived from G.S. Page: G-1/Item-2d) |
| 8 | Excavation of soil for installation of Earth Electrode and filling & ramming as to GS. (For morum soil) (Page G -1/Item-1b) |
| 9 | Supply Laying & Fixing of 50mm x 6mm galvanised (Hot) Dip) steel strip in underground trench for interconnection between the Earth Points by joining (As per item no 11). (Rate arrived from G.S. Page: K-3/Item -134 G-1/Item la) |
| 10 | Jointing for Horijontal & vertical run of Gl strip through welded joint of (25 x 6) mm or (50 x 6) mm GI Strip to Lap joints/T joints, etc. and painting the joints with 2 (two) coats of bituminous paint. (NS) |
| 11 | Note: 1) DLP is 01(One) year from the date of commissioning. |
| 12 | Add: GST for works contract@18% on Item Sl. No. 1.00 to 22.00 |
| 13 | Add: L.W.Cess @ 1 % on total Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Jul 15, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedAug 05, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 19 daysAug 07, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 21 daysTender Documents
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