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The maximum allowable floor area per fire compartment in the clean room should be considered

2021-09-12View Original

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\"GB50073-2013 Code for Design of Clean Rooms\": 5.2.3 For clean rooms used for production in Class A and Class B categories, it is advisable to use single-story buildings. The maximum allowable floor area per fire compartment should be 3000㎡ for single-story buildings, and 2000㎡ for multi-story buildings. The explanatory note states: …it is in line with the allowable floor area for Class A buildings with a fire resistance rating of Grade II as specified in the current **standard, the Code for Fire Protection Design of Buildings GB 50016. …This provision specifies that the area should be 3,000㎡ (for single-story buildings) and 2,000㎡ (for multi-story buildings). This sets relatively strict requirements taking into account the characteristics of clean rooms; however, in cases where practical difficulties arise during implementation, the limits can be relaxed provided that the evacuation distances are still ensured, in accordance with the provisions of the current **standard, the “Code for Fire Protection Design of Buildings” GB 50016. “GB50457-2019 Design Standards for Clean Workshops in the Pharmaceutical Industry”: 8.2.3 The maximum permissible floor area of each fire compartment within a workshop shall comply with the relevant provisions of the current standard “Code for Fire Protection Design of Buildings” GB 50016. The fire resistance rating is the same as that specified in GB50073-2013 for the second grade, while it is higher for the first grade. The provisions of the \"GB50472-2008 Code for Design of Clean Rooms in the Electronics Industry\" are similar. I have a chemical processing project under consideration; each Class A clean room has a fire compartment area of 2,800 square meters (for multi-story buildings). I plan to use a fire resistance rating of level 1, in accordance with the \"Code for Fire Protection Design of Buildings\" GB 50016. According to this code, the maximum allowable area for a fire compartment in facilities for Class A activities is 2,000 square meters (for multi-story buildings). Is this approach feasible?
Reply #22021-09-19
It is feasible. Paragraph 5.2.3 of the “GB50073-2013 Code for Design of Clean Rooms” is not a mandatory provision; moreover, it uses the term “should” rather than “shall”. In case of genuine difficulties, comply with the mandatory provisions of GB50016.

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