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IS 2696 : 1974Functional Requirements for 1 125-1/min Light Fire Engine

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NFPA 1901, 2016 Edition · EN 1846-2 · BS EN 1846-2
CurrentSpecializedSpecificationFire Safety · Fire Fighting
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OverviewValues4InternationalTablesFAQ3Related

IS 2696:1974 is the Indian Standard (BIS) for functional requirements for 1 125-1/min light fire engine. This standard specifies the functional and performance requirements for the design, materials, and testing of a 1125 liters per minute light fire engine. It details the specifications for the vehicle's chassis, pump, water tank, and essential fire-fighting accessories to ensure operational reliability during emergencies.

Functional Requirements for 1 125-1/min Light Fire Engine

Overview

Status
Current
Usage level
Specialized
Domain
Fire Safety — Fire Fighting
Type
Specification
International equivalents
NFPA 1901, 2016 Edition · National Fire Protection Association (NFPA), USAEN 1846-2:2009+A1:2013 · European Committee for Standardization (CEN), EuropeBS EN 1846-2:2009+A1:2013 · British Standards Institution (BSI), United Kingdom
Typically used with
IS 901IS 902IS 6070
Also on InfraLens for IS 2696
4Key values1Tables3FAQs
Practical Notes
! Verify that the chosen chassis payload capacity can adequately support the fully loaded water tank, pump assembly, crew, and all stowage equipment.
! Routine pressure and vacuum tests must be conducted exactly as specified to ensure the pump maintains its 1125 l/min rated output without cavitation.
Frequently referenced clauses
Cl. 4ChassisCl. 5Fire PumpCl. 6Water TankCl. 8Control PanelCl. 11Workmanship and Finish
Pulled from IS 2696:1974. Browse the full clause & table index below in Tables & Referenced Sections.
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International Equivalents

Similar International Standards
NFPA 1901, 2016 EditionNational Fire Protection Association (NFPA), USA
HighCurrent
Standard for Automotive Fire Apparatus
Chapter 6 on 'Initial Attack Fire Apparatus' covers vehicles with similar pump and water tank capacities.
EN 1846-2:2009+A1:2013European Committee for Standardization (CEN), Europe
HighCurrent
Firefighting and rescue service vehicles - Part 2: Common requirements - Safety and performance
Defines performance for 'Light' class vehicles (3 t to 7.5 t) and pump classes (e.g., FPN 10-1000) that align with IS 2696.
BS EN 1846-2:2009+A1:2013British Standards Institution (BSI), United Kingdom
HighCurrent
Firefighting and rescue service vehicles. Common requirements. Safety and performance
The UK's adoption of the European standard, specifying requirements for vehicles functionally similar to a light fire engine.
Key Differences
≠IS 2696:1974 is highly prescriptive, specifying exact materials (e.g., '10 BG galvanized mild steel sheet' for tank) and dimensions. Modern standards like NFPA 1901 are performance-based, defining what the apparatus must do (e.g., acceleration, pump performance) rather than how it must be built.
≠Modern international standards mandate extensive safety systems not present in the 1974 Indian code, such as electronic stability control, crew cab structural integrity testing, seat belt warning systems, and comprehensive audible/visual warning device requirements.
≠Pump testing in NFPA 1901 and EN 1846-2 is more rigorous, requiring multi-stage tests at various pressures (e.g., 100%, 70%, 50% of rated capacity) and independent certification. IS 2696 specifies a simpler 3-hour endurance test at a single rated output.
≠IS 2696 does not address modern automotive requirements such as engine emission controls (e.g., Euro/EPA standards) or advanced vehicle electronics (e.g., multiplexing systems), which are integral to vehicles built under current international standards.
Key Similarities
≈All standards define a vehicle with the same core function: a self-propelled apparatus carrying a crew, water, a fire pump, and hoses for firefighting operations.
≈All standards mandate a priming system for the main pump, requiring it to be capable of drafting water from a static source (e.g., lake, river) below the vehicle level within a specified time.
≈The fundamental requirement to carry and securely stow essential firefighting equipment such as suction hoses, delivery hoses, nozzles, and ladders is a common principle across all the standards.
≈The pump and water tank capacities specified in IS 2696 for a 'Light Fire Engine' align closely with the minimum requirements for an 'Initial Attack Apparatus' in NFPA 1901 or a 'Light' class vehicle in EN 1846-2.
Parameter Comparison
ParameterIS ValueInternationalSource
Rated Pump Capacity1125 l/min at 7 kgf/cm² (~6.9 bar)Min 950 l/min (250 gpm) at 10.3 bar (150 psi)NFPA 1901 (Initial Attack)
Minimum Water Tank Capacity900 litres757 litres (200 US gallons)NFPA 1901 (Initial Attack)
Acceleration Requirement0 to 56 km/h within 45 seconds0 to 56 km/h (35 mph) within 25 secondsNFPA 1901
Priming Performance (Suction Lift)Lift water from 7 m in 35 secondsLift water from 3 m (10 ft) in 30 secondsNFPA 1901
Water Tank MaterialGalvanized mild steel sheetCorrosion-resistant material (e.g., Polypropylene)NFPA 1901
Crew Capacity5 to 6 persons, including driverDefined by number of dedicated, belted seating positions (typically 2-5 for this class)NFPA 1901
Pump Performance Class (Example)1125 l/min @ ~7 barFPN 10-1000 (1000 l/min @ 10 bar)EN 1846-2
⚠ Verify details from original standards before use

Key Values4

Quick Reference Values
rated pump capacity1125 l/min
rated pump pressure7 kgf/cm2
deep lift suction depth3 m
deep lift time15 seconds

Tables & Referenced Sections

Key Tables
Table 1 - Schedule of Equipment to be Supplied with the Appliance
Key Clauses
Clause 4 - Chassis
Clause 5 - Fire Pump
Clause 6 - Water Tank
Clause 8 - Control Panel
Clause 11 - Workmanship and Finish

Related Resources on InfraLens

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Frequently Asked Questions3

What is the rated capacity of the fire pump in this engine?+
1125 liters per minute at a discharge pressure of 7 kgf/cm2.
What is the primary application of this standard?+
It is used for the manufacturing and procurement of highly mobile, light fire engines designed for rapid deployment in urban and industrial areas.
Are the equipment stowage arrangements specified?+
Yes, the standard outlines specific requirements for lockers and secure stowage for hoses, nozzles, and crew gear to prevent damage during transit.

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