Tender For Repair/Replacement Of Duct Alongwith Insulation At Inhs Asvini Under Age(I) Asvini, Colaba, Mumbai
Tender Value
29.50 Lakhs
Estimated cost
Bid Submission
06 Aug 2026
14 days left
EMD
59000
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Mumbai → Maharashtra
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair/Replacement Of Duct Alongwith Insulation At Inhs Asvini Under Age(I) Asvini, Colaba, Mumbai
BOQ
| Sl. No. | Item Description |
| 1 | Supply, fabrication, and erection of factory-fabricated rectangular or square duct made out of 24-gauge (0.63 mm thick) G.I. sheet conforming to IS: 277 with zinc coating not less than 120 gsm, formed to the required shape and size in L-shaped hollow profile. The work shall include all accessories such as corner pieces, flanges, gaskets, approved duct sealant, G.I. nuts, bolts, carriage bolts, hangers, supports, and all materials required for proper installation complete all as specified and directed by Engineer_in_charge. |
| 2 | Taking down carefully the existing rectangular or square G.I. ducting of any gauge or size including all connected fittings, accessories, thermal insulation, wire mesh/net, supports, hangers, and sealing material. The work shall include cutting, dismantling, unscrewing, or unbolting joints, lowering the ducts safely from the ceiling or wall, and stacking serviceable material complete all as specified & directed by Engr-in-charge. |
| 3 | Note for item Ser No 2 a) Rates inclusive of taking down existing LED lights and fire/smoke sensors if any and refixing the same after completion of ducting work.b) The contractor shall ensure that all electrical connections and detector circuits are properly disconnected, tagged, and reconnected under the supervision of the Engineer-in-Charge. (c)Any damages caused to LED lights, detectors, or associated wiring during dismantling, handling, or refixing shall be repaired or replaced by the contractor at no extra cost to the Department. |
| 4 | S&F nitrile rubber insulation (closed-cell type) of 19 mm thickness in one layer, fixed on duct/piping surface using approved adhesive compound, sealing all joints with weather-proof self-adhesive tape, complete including surface cleaning, adhesive, tape, labour, and scaffolding, all as specified and directed by Engineer-in-Charge. |
| 5 | S&F in repairs wire netting of G.I. wire 24 gauge with 12 mm mesh size fixed with tinned tacks/staples over entire duct insulation with 50 mm overlap for preventing rat bites, complete all as specified and directed by Engineer-in-Charge. |
| 6 | Supply and Fix in repairs of MS - CRC 18 gauge, powder coated square perforated suction/fresh air supply diffuser grills of outer size 450 × 450 mm and collar 280 mm fixed to duct for proper supply to the room and suction of air from the same complete all as specified and directed by Engr-in-Charge. |
| 7 | S&F in repairs of MS-CRC 18 gauge, powder coated square perforated suction/fresh air supply diffuser grills of outer size 370×370 mm with collar 180–220 mm fixed to duct for supply and return air, complete all as specified and directed by Engineer-in-Charge. |
| 8 | S&F in repairs of fire damper actuator 10 Nm, 24/230 V AC, spring return type with auxiliary switch, complete as per site requirement and as directed by Engineer-in-Charge. |
| 9 | M&L for repair to existing control panel from input 230V to output 24V including temperature sensor, wiring,including testing of fire damper system, complete all as specified and directed by Engineer-in-Charge. |
| 10 | M&L for cleaning of air ducts (G.I./Aluminium) by removing dust, dirt, and microbial deposits using mechanical cleaning equipment, including air compressor, air jet nozzles, flippers, vacuum pump, and suction blower with super-fine filtration system, ensuring ducts are thoroughly cleaned and air quality verified before and after cleaning complete all as specified and directed by Engineer_in_charge.Note : Work includes labour, machinery, tools, consumables, scaffolding, and safe disposal of collected dust, complete all as specified and directed by the Engineer-in-Charge. |
| 11 | S&F in repairs new motorized fire damper with 150 mm frame and 30 mm flange made from 16G G.I. sheet with fusible link, conforming to existing size and specification, complete all as directed by Engineer-in-Charge. |
| 12 | S&F in repair of 0.7 mm thick pre-coated galvanised aluminium plain false ceiling system under air-conditioning duct area, comprising 600×600 mm tiles (as per IS:2095–1996 Part-I) , supported on powder-coated G.I. T-grid framework with main and cross tees (1200 mm & 600 mm) having 32 mm web height, and perimeter wall angles 19×19 mm fixed with nylon sleeves and screws at 450 mm centres,Ceiling shall be suspended by 4 mm dia G.I. wires at 1220 mm centres using 12 mm dia fancy type steel anchor fasteners (80 mm long) fixed to the soffit, ensuring a true level and secure suspension,including all fittings, grid alignment, levelling, labour, and scaffolding, complete all as specified and directed by the Engineer-in-Charge. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Jul 18, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedAug 06, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 14 daysAug 07, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 15 daysTender Documents
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