Self-closing doors

In order to get out of the suite by 160 seconds, they must respond within 160 - 109.2 =50.8 seconds after the alarm sounds. This is not much time. If there had been a self-closing door on the fire room, the corridor would have been passable for a much longer period and the family could easily escape. 

Pressure relief valves, self-closing doors... 

A dunk tank or attached decontamination air lock system may be used to introduce or remove material from the Class III system. Figure 8. All primary containment devices shall be certified to meet performance criteria on initial installation, following any move or maintenance, and at least annually. Other safety features of facility design include nonporous surfaces on floors, walls, and ceiling self-closing doors that must remain closed to maintain air balance and directional airflows. If floor drains are present, their traps should be filled with water weekly. 

Storerooms Special storerooms confine flammable liquids. NFPA has detailed design standards for these storerooms. Fire codes limit the quantities and sizes of containers stored indoors. Some design features for flammable storerooms are explosion-proof switches and electrical fixmres, ventilation, self-closing doors with fusible links, static electricity grounding systems, special signage, raised door sUl, and special floor contours. 

Secure the perimeter—Create a secure physical perimeter to keep out thieves using locks, self-closing doors, window locks, lockable internal doors between rooms, security curtains or window shutters, and alarms. 

At 1910.106(d)(3)(ii), OSHA prescribes the requirements for storage cabinets, whether made of metal or wood. The regulation does not make any mention of self-closing doors nor does the NFPA standard on flammable liquids. However, the International Fire Code (3404.3.2.1.3, Doors ) says of flammable storage cabinets that Doors shall be well fitted, self closing an6 equipped with a three-point latch. ... 

In a maintenance department, safe storage of flammable liquids is essential. OSHA permits up to 60 gallons of Class I or Class II liquids and up to 120 gallons of Class III liquids to be stored in safety cabinets close to work stations. An inplant storage cabinet will provide a fire and heat resistant enclosure for containers of flammable liquids. The cabinets should be made of double-walled 18-gauge steel with 1 A inches of insulating air space, and they should include self-closing doors. 

Eire and smoke stop doors Ensure that fireproof doors and shutters are self-closing Keep all doors free from obstruction Ensure that fire check doors are kept closed... 

To protect the control room area from incidents occurring in the support areas, the control room area should be separated from the support areas by minimum 1-hour fire-rated partition walls. All penetrations of the walls, floors, ceilings, and roof for cables, etc. should be closed with an approved sealant having a fire resistance rating of at least one-hour. Approved y4-hour rated (Class B) fire doors equipped with self-closing devices should be installed on all openings between the control room and other portions of the building. 

Doors should open to the high pressure side, and be provided with self-closers. Door closer springs, if used, should be designed to hold the door closed and prevent the pressure differential from pushing the door open. Sliding doors are not recommended. 

Doors opening onto fire resistant-rated corridors and stairways must be self-closing or close automatically in the event of a fire. The first of these requirements usually includes offices opening directly off corridors, and is the case alluded to earher as representing one of the most commonly violated fire regulations. For whatever reason, most individuals usually prefer to work with their office door open. Unfortunately, in an emergency evacuation, many do not remember to close their doors, and so the integrity of the fire separation is breached at these points. 

If water fountains are provided, they are to be foot operated and are to be located in the facility corridors outside the laboratory. The water service to the fountains is not to be connected to the back-flow protected system supplying water to the laboratory areas. Access doors to the laboratory are to be self-closing and lockable. 

Doors to animal rooms open inward, are self-closing, and are kept closed when experimental animals are present. 

External animal facility doors are self-closing and self locking. 

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