Tender For Miscellaneous Roof Repairing Work At Works-I & Ii At Gun & Shell Factory, Cossipore, Kolkata-700002.
Tender Overview
Project Description
Tender For Miscellaneous Roof Repairing Work At Works-I & Ii At Gun & Shell Factory, Cossipore, Kolkata-700002.
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 24-Mar-2026 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 31-Mar-2026 |
| 2 | 01-Apr-2026 | CORRIGENDUM-2 | Date | 07-Apr-2026 |
| 3 | 24-Mar-2026 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 31-Mar-2026 |
BOQ
| Sl. No. | Item Description |
| 1 | Demoliation of brickwork, concrete work, RCC work built in cement morter, cut to reinforcement at any place and height. |
| 2 | Demoliation of Mud/ damaged water proofing layers etc. of in roofs, any thickness, including plastering and leeping (whether full thickness removed or only a part thereof). |
| 3 | Roughing surface of old concrete roof by picking, sweeping,clean and washing down with water to remove dust. |
| 4 | M&L for 15 mm thk. 1:4 ratio new cement plaster. At any place and height. (Brand of cement : Ambuja, ACC, Ultratech or Shree Cement). |
| 5 | M&L for roof treatment using 5 layered APP based polymeric membrane (centre core as 100 micron HMHDPE film sandwiched on both sides with polymeric mix and the polymeric mix is protected on both side with 20 micron HMHDPE film) minimum weight 3kg/sqm and minimum 3mm thk by first priming the roof surface with bituminous primer conforming to IS:3384 applied @ 0.40 kg per sqm followed by application of hot bonding material of blown type bitumen 85/25 grade applied @ 1.60 kg per sqm followed by laying of APP membrane using bitumen butane torch and sealing all joints and preparing the surface complete. |
| 6 | M & L for Brick work with sub class brick-B in cement morter (1:6). (Brand of cement : Ambuja, ACC, Ultratech or Shree Cement). |
| 7 | M&L for PCC (1:2:4) with 12.5 mm coarse aggregate, at any place and height, (Brand of cement : Ambuja, ACC, Ultratech or Shree Cement). |
| 8 | S & F of Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa ( shape-flat / half circle as per existing roof truss shape) as in roof covering/cladding to wall, fixed with self tapping screws. Complete as directed. |
| 9 | Dismantling of plain /Corrugated / semicorrugated steel sheeting any gauge and thickness, in roof covering. |
| 10 | M&L for fixing of 1.00 mm thk plain galvanised mild steel sheeting in ridge, hips, valley gutter, drip, straigt flashing with grade of zinc coating 275. |
| 11 | Fixing of 6 mm thk asbestos cement , (except sheets) corrugated or semi corrugated sheets in roof fixed with L-type or J-type or cranked hook bolt. |
| 12 | M & L for Setting coat 3mm thick, over cement plaster 1:2 trowelled to even and smooth finish. Complete. |
| 13 | M & L for preparation of new surface and applying two coats of black japan paint over steel surface. |
| 14 | Taking up 100mm dia cast iron/ PVC pipe including all fittings, |
| 15 | S & F of sheet glass 3mm thk. Ordinary quality, and galzing with oil putty in square n exe 0.5 sq.m. each pane. |
| 16 | Supply only 150 mm dia (6\\") PVC rain water pipe. 10 feet length, single socket. |
| 17 | Supply only 150 mm dia (6\\") plain PVC bend. |
| 18 | Fixing of PVC (SWR) pipes (110 mm dia and above) in any length fixed to wall. |
| 19 | Fixing of PVC (SWR) bend (110 mm dia and above) in any length fixed to wall. |
| 20 | Removing the demolished building material outside the factory premisses. |
| 21 | Recovery of old /damaged / dismanteled steel roof sheet/ gutter etc. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Tender Published
Tender notice published.
CompletedCorrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
CompletedCorrigendum-2 Issued
Clarifications on tender conditions and amendments issued.
CompletedCorrigendum-3 Issued
Clarifications on tender conditions and amendments issued.
CompletedBid Submission Deadline
Online submission via eProcurement portal.
CompletedBid Opening Date
Technical bids will be opened and evaluated.
CompletedTender Documents
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