Where provided, fire pump rooms and automatic sprinkler system riser rooms shall be designed with adequate space for all equipment necessary for the installation, as defined by the manufacturer, with sufficient working room around the stationary equipment. Take for example, the IBC’s statement regarding sizing a fire riser room: I understand why there are so many questions on fire risers. In order to help your project team avoid situations that can hold up design (and potentially cost time and money), the International Building Code (IBC) can help answer some of the questions regarding fire riser rooms. When it comes to maximizing the floorplan of a commercial facility, teams can find themselves at a standstill as owners, general contractors, consultants, and fire marshals may have a variety of questions on the correct approach. One factor in this equation is the design and incorporation of fire riser rooms in commercial spaces. The efficient use of floor space matters in order to minimize costs for owners and maximize occupancy use for end-users. We live in a world where project budgets are based on cost per square foot. You haven't asked anything about the detection systems so I am assuming you have resolved the method for activation of the fire protection system.Six Things You Need to Know About Fire Riser Room Design FM-200 system will require less space since the agent is more effective at controlling an incipient fire. See Annex A of NFPA 12.ĭepending on the volume of the enclosure, a CO2 system can consume a large amount of space, especially if high-pressure CO2 cylinders are used. However, minimum clearances from energized electrical equipment must be satisfied due because a discharge of liquid CO2 can create a static discharge. A room integrity test is not required because NFPA 12 establishes minimum leakage rates. FM200 systems are not required to be discharge tested because of the room integrity test.įor CO2 systems, a full discharge test is required. This is required to ensure that the room or space has very limited penetrations or no penetrations. Under NFPA 2001 the integrity of the enclosure (e.g., Room) requires a "tightness" test as a condition of acceptance and annual tests upon system acceptance. Employee training on the required actions to take when a pre-discharge alarm is activated is equally important. Both agents will exclude oxygen from the space when they activate (FM-200 also interrupts combustion free radicals) so the room egress systems needs to provide for the design occupant loads and have well engineered pre-discharge alarms. CO2 will be less expensive as the cost of this fire extinguishing agent is far less than FM-200 (technically defined as HFC-227ea by NFPA 2001).
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