GENERAL FIRE SAFETY REQUIREMENTS - GUIDELINES ANNEX


GA 3.1 PORTABLE CABINS
GA_3.1 – Revisions_2015
Item No. Provisions Notes
  Portable cabins are commonly used to construct modular buildings with the consideration of its mobility and readiness. They are often seen, alone or in groups, as temporary site offices on construction site (where they are often stacked two high with metal stairs to reach the upper level).  
1.0

Particular Requirements.

The following requirements shall be noted when portable cabin is proposed:

 
1.1 The codes that govern the construction of portable cabin are the exact same codes that govern the construction of any permanent building. In Qatar, all portable cabins shall be constructed in accordance with NFPA 5000.  
1.2 Non-combustible materials shall be used for all external cladding and wall internal linings to minimize potential fire load.  
2.0

External Walls.

External wall shall have minimum Class A surfaces in accordance with NFPA 285 if that wall is:

 
2.1 Situated 3m or more from the relevant boundary; and  
2.2 Not exceeding 8m in height; and  
2.3 Non-load bearing wall.  
3.0 Plastisol coated galvanized steel cladding is allowed for external wall.  
4.0 Roof. Minimum roof covering classification shall be in accordance with Table 38.2.2 of NFPA 5000.  
5.0 Under floor thermal insulation slabs. It shall have a Class B surface spread of flame rating.  
1.6 Internal wall and combined ceiling and floor assembly (from underside). It shall have one-hour fire resistance.