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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹4.7 LAdmitted-Finance | L1 | Admitted-Finance | |
| 2 | Rejected-Technical | - | Rejected-Technical Not Eligible |
| Sl No | Description | Qty | Unit | BRIO FIRE SAFETY DEVICE L1 |
|---|---|---|---|---|
| 1.00Supply of Siren Motor and Blower Assembly | ||||
| 1.01 | Supply of industrial type siren to cover critical urban zones (each covering ~ atleats 7 km² or higher), Audible Range-5KM or higher(DIAMETRICALLY), Siren Type- Motorized Horizontal/Vertical, Sound Pressure Level(SPL)-150 dB or higher @ 1 meter, Resulting SPL - 105 dB or higher @ 2.5 km, Effective Range - 2.5 km radius or above (urban attenuation considered), Operating Temp - -10 deg Celcius to +75 deg Celcius, Humidity Conditions- upto 98%, Tone Capability- 4 tones: Steady, Wailing, Pulsating, Fast Wailing,
MOTOR DESIGN COMPONENTS:
Motor Type - Single Phase Brushless, maintenance-free induction motor, Motor Capacity- 2HP or higher, Motor RPM- 2800-3000 or higher, Power Supply - 220–240 V AC single-phase, 50 Hz, Mounting - Roof mount with anti vibration fixtures & anti-vibration pads for wind resistance up to 180 km/h, Body - Alluminium Casting as per IP-65 or higher.
BLOWER DESIGN COMPONENTS:
Rotor / Impeller feature: Material- Cast Aluminum or Steel (anti-corrosive coated), Outer diameter - 300–350 mm (depending on number of ports), Number of blades/ports- 10–12 uniformly spaced, Blade profile- Curved radial blades, centrifugal discharge, Speed ~ 2800-3000 RPM or higher, Stator Casing- Powder coated MS or SS304, Rotor/Impeller- Cast Aluminum Alloy Balancing- Dynamically balanced to minimize vibrations, Ported Casing, Stator >10 ports, Rotor (Impeller) >10 Blade, Sound diffuser- MS/Aluminum Horn, Sound Pattern Intermittent/continuous tone control via RPM, Cooling Natural air cooled, Installation height ≥10 m on pole/tower/building rooftop, Mounting Hardware - 3 Nos. Vibration-isolated wall/pole mounts, Brackets, bolts, anchor, fasteners etc as required. Warranty 01 years. | 3 | Nos. | 50,000 ₹1,50,000 Lowest |
| 2.00SITC of Cable and Cable tray | ||||
| 2.01 | Supply of 3 Core 4 sqmm Armored Solid Aluminum conductor, balance stranded conductor, XLPE Insulated, cores laid up, PVC tape/Extruded Inner sheathed for Multicore Cables, Armour Glavanised wire, extruded PVC Type ST2 sheathed, 650/1100V grade as per IS 7098(Part 1) 1988. | 300 | Mtr. | 170 ₹51,000 Lowest |
| 2.02 | Laying and fixing of one number of 3 Core,4 sqmm armoured PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade on the wall surface as required.(clamped with 1mm thick saddle) | 250 | Mtr. | 155 ₹38,750 Lowest |
| 2.03 | Supplying and installing 100mm Width X 50mmDepth X 1.6 mm Thickness size of perforated Hot Dipped Galvanized Iron cable tray (Galvanization thickness not less than 50 microns) with perforation not more than 17.5%, inconvenient sections, joined with connectors, suspended from the ceiling with G.I. suspenders including G.I. bolts & nuts, etc. as required. | 50 | Mtr. | 210 ₹10,500 Lowest |
| 2.04 | Laying and fixing of one number of 3 Core,4 sqmm armoured PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on cable tray as required.(clamped with 1mm thick saddle) | 50 | Mtr. | 195 ₹9,750 Lowest |
| 3.00Supply of Siren Controller, Local Panels, Communication Hardware & desktop PC based GUI Interface | ||||
| 3.01 | Supply of wall-mounted Local Control Panel with Integrated siren Controller suitable for LAN/GSM/Wi-Fi based communication system, including supply of required relays, contractors, timers, push buttons, indicators, terminals, wiring etc, complete in all respects.
Specification
Control Mode- Central and Local mode of operatable (with push buttons & status indicators) Central Control Unit with GUI Interface- Web-access interface, Auto node detection, Auto-Manual tone triggering, Scheduling, Logging, and Diagnostics, 4 nos. siren mode (4 tone per siren),1 stop button, 2 nos. status for each siren (1 for active tone, 1 for fault for each siren). Weatherproof Control Panel (Local)- 4 tones or higher selectable, IP65 wall-mounted enclosure, Control relay circuits with Manual override facility 4 push buttons (1 per tone),1 stop button,2x4 status LEDs (1 for active tone, 1 for fault for each siren), Connectivity- LAN/WI-FI/GSM etc. should be able to operate centrally-locally configuration mode via desktop PC based GUI interface, WITH EMERGENCY MANUAL START, LAN Communication Kit- Industrial-grade Ethernet switch,Cat6 shielded cable (outdoor-rated),Surge protectors & RJ45 connectors as required, GSM/Radio Communication Backup Kit- GSM/Wi-Fi Modem with fallback switching , Motor Drive Controller Unit - Soft start for siren motor, Overcurrent/Overvoltage protection, Power Supply & Distribution Unit - MCBs, surge arrestors, Terminal blocks,Input/output connectors, LAN Control- RJ45 with static IP or DHCPControl Panel with microcontroller/PLC logic, Communication Interface- LAN+GSM+WiFi/, Tone Generator Module- Capable of 4 selectable alerts,
Central Control System- integrated controller in wall mount panel with pushbuttons & indication status for siren+Server with web-based GUI dashboard with Real-time status monitoring of all units, Control over-LAN/WAN as primary and fail-safe GSM/WiFi as backup, Local Control Unit-Local override with key-based access panel, Sound Pattern- Intermittent/continuous tone control via RPM, Control functions: Tone selection, Siren on/off, test mode, Siren Status, Earthing- Dual earthing rods (electrical + lightning), Warning Sign Boards -"Air Raid Siren – Authorized Access Only". Panels to be protected electrically with over/under voltage relays, thermal overload relays, MCBs, Surge protection relays, etc., as required. Warranty 01 years | 3 | Nos. | 50,000 ₹1,50,000 Lowest |
| 4.00Installation Testing Commissioning of Item No. 1,2,3,4 | ||||
Tender Value
₹4.8 L
EMD Value
₹9,525
Closing Date
27 Nov 2025, 11:00 amClosed
Executive Engineer (EW)
Office of the Executive Engineer (EW), Estate (EM) Works Section, Old Building IIT KGP
Supply installation testing and commissioning of 03 nos. Centrally-Locally Operable, LAN/GSM/ WiFi /Radio Based single phase Brushless Motorized Air Raid Siren System at IIT Kharagpur.
2025_IITKG_884912_1
IIT/IW/EM/NIT/42/2025-26
Open Tender
Electrical Works
Item Rate
60 days
IIT Kharagpur
Please refer Tender documents.
8 documents required · 8 mandatory
₹0
₹9,525
Estate (EM) Works Section, Old Building IIT KGP
11 Feb 2026
10 Nov 2025
28 Nov 2025
10 Nov 2025
27 Nov 2025
10 Nov 2025
19 Nov 2025
Supply of Siren Motor and Blower Assembly
Supply of industrial type siren to cover critical urban zones (each covering ~ atleats 7 km² or higher), Audible Range-5KM or higher(DIAMETRICALLY), Siren Type- Motorized Horizontal/Vertical, Sound Pressure Level(SPL)-150 dB or higher @ 1 meter, Resulting SPL - 105 dB or higher @ 2.5 km, Effective Range - 2.5 km radius or above (urban attenuation considered), Operating Temp - -10 deg Celcius to +75 deg Celcius, Humidity Conditions- upto 98%, Tone Capability- 4 tones: Steady, Wailing, Pulsating, Fast Wailing, MOTOR DESIGN COMPONENTS: Motor Type - Single Phase Brushless, maintenance-free induction motor, Motor Capacity- 2HP or higher, Motor RPM- 2800-3000 or higher, Power Supply - 220–240 V AC single-phase, 50 Hz, Mounting - Roof mount with anti vibration fixtures & anti-vibration pads for wind resistance up to 180 km/h, Body - Alluminium Casting as per IP-65 or higher. BLOWER DESIGN COMPONENTS: Rotor / Impeller feature: Material- Cast Aluminum or Steel (anti-corrosive coated), Outer diameter - 300–350 mm (depending on number of ports), Number of blades/ports- 10–12 uniformly spaced, Blade profile- Curved radial blades, centrifugal discharge, Speed ~ 2800-3000 RPM or higher, Stator Casing- Powder coated MS or SS304, Rotor/Impeller- Cast Aluminum Alloy Balancing- Dynamically balanced to minimize vibrations, Ported Casing, Stator >10 ports, Rotor (Impeller) >10 Blade, Sound diffuser- MS/Aluminum Horn, Sound Pattern Intermittent/continuous tone control via RPM, Cooling Natural air cooled, Installation height ≥10 m on pole/tower/building rooftop, Mounting Hardware - 3 Nos. Vibration-isolated wall/pole mounts, Brackets, bolts, anchor, fasteners etc as required. Warranty 01 years.
SITC of Cable and Cable tray
Supply of 3 Core 4 sqmm Armored Solid Aluminum conductor, balance stranded conductor, XLPE Insulated, cores laid up, PVC tape/Extruded Inner sheathed for Multicore Cables, Armour Glavanised wire, extruded PVC Type ST2 sheathed, 650/1100V grade as per IS 7098(Part 1) 1988.
Laying and fixing of one number of 3 Core,4 sqmm armoured PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade on the wall surface as required.(clamped with 1mm thick saddle)
Supplying and installing 100mm Width X 50mmDepth X 1.6 mm Thickness size of perforated Hot Dipped Galvanized Iron cable tray (Galvanization thickness not less than 50 microns) with perforation not more than 17.5%, inconvenient sections, joined with connectors, suspended from the ceiling with G.I. suspenders including G.I. bolts & nuts, etc. as required.
Laying and fixing of one number of 3 Core,4 sqmm armoured PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on cable tray as required.(clamped with 1mm thick saddle)
Supply of Siren Controller, Local Panels, Communication Hardware & desktop PC based GUI Interface
Installation Testing Commissioning of Item No. 1,2,3,4
Installation, Testing & commissioning charges for item no. 1,2,3,4 Including INSTALLATION & COMMISSIONING OF SIREN SYSTEM & Programming, CONSUMABLE ITEM i.e.- Civil structure e.g. motor base, SITC of Rain Shroud, Deflector Grill, Canopy & side net guard for rain & rodent protection as required.
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