IS 957:1967 is the Indian Standard (BIS) for control van for fire brigade use. This standard specifies the material, design, construction, and equipment requirements for control vans used by fire brigades. It serves as a guideline for manufacturing and outfitting mobile command posts deployed during major emergency and rescue operations.
Specification for Control Van for Fire Brigade Use
| Parameter | IS Value | International | Source |
|---|---|---|---|
| Vehicle Stability | Not specified; relies on the base commercial chassis specifications. | The apparatus must pass a 26.5-degree tilt table test or have a calculated vertical center of gravity that meets a specific formula. | NFPA 1900:2024 |
| Body Construction | Hardwood framework with 18 SWG aluminium sheet paneling. | Performance-based: Body must be of sufficient strength to support all equipment and withstand the forces of service. No materials are specified. | NFPA 1900:2024 |
| Onboard AC Power | Provision for a portable 230V, 1.5 kVA generating set. | Fixed generators must meet national electrical codes, be sized to handle 100% of the connected load, and have integrated load management systems. | NFPA 1900:2024 |
| Occupant Safety (in body) | No mention of seatbelts or restraints for personnel in the command area. | Each seating position must be equipped with a seatbelt. Any position to be occupied while the vehicle is in motion must meet specific safety standards. | NFPA 1900:2024 |
| Audible/Visual Warnings | Specifies 'one or two powerful horns', a siren, and flashing beacon lights. | Requires a comprehensive, zoned system of optical warning devices (Upper and Lower zones) with minimum photometric performance (candela-seconds/minute). | NFPA 1900:2024 |
| Braking System | Not specified beyond the base chassis requirements of the era. | Mandates an antilock braking system (ABS) on all wheels, meeting specific federal motor vehicle safety standards. | NFPA 1900:2024 |