Fire Pump Room Door Size

Chapter 4 in nfpa 20 standard for the installation of stationary pumps for fire protection also has separation requirements for the fire pump room basically for high rise it s 2 hr for non high rise it s 1 hr.
Fire pump room door size. Tomatic sprinkler system riser rooms and fire pump rooms. This room shall have an external door shall be installed inside the building with a door providing access into the fire equipment. Ft with no dimension less than 6 ft and shall be large enough to accommodate maintenance and testing actives. All fire sprinkler riser rooms shall be a minimum of 36 sq.
The door must be labeled as the riser room. The fire sprinkler riser assembly the fire alarm control panel fire alarm manual pull station spare sprinkler heads storage box and the document box for as built drawings shall be located within the room. If a fire pump room is not directly accessible from the outside it shall be accessible through a fire resistant rated corridor from an enclosed stairway or exterior exit. Nfpa 20 requires the fire pump room to have a minim um two h ou r fire rating when located in a high rise building.
2018 code 901 4 6 4 901 4 6 1 access. The pump room must be provided with a door and unobstructed passageway large enough to allow removal of the largest piece of equipment. The fire rating can be reduced to a one hour rating when the fire pump enclosure is located in a fully sprinkled non high rise building. Nfpa 20 figure a 4 1 4 6 right and wrong suction piping insufficient pump room space and poor layout usually results in elbows mounted on the pump like the top pump room photo above.
An important part of the standard is that location and access to the fire pump room shall be pre planned with the fire department. Nfpa 20 provides for protection of the fire pump equipment as well as for personnel that need to access the fire pump equipment during a fire situation. Where lo cated in a fire pump room or automatic sprinkler system riser room the door shall be permitted to be locked provided the key is available at all. While nfpa 20 requires that access to the fire pump room be pre planned with the fire department it now requires that the location of the fire pump room also be pre planned.