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GB 50015-2019 第5.2.1条 Standard for Design of Building Water Supply and Drainage

Rainwater给排水

GB 50015-2019 第5.2.1条

| Building roof rainwater drainage systems shall be provided with overflow facilities, and the total drainage capacity (including overflow facilities) shall not be less than the rainwater volume for a design return period of 10 years.

Other clauses of this standard

GB 50015-2019 第1.0.3条Standard for Design of Building Water Supply and Drainage
GB 50015-2019 第1.0.4条Standard for Design of Building Water Supply and Drainage
GB 50015-2019 第1.0.5条Standard for Design of Building Water Supply and Drainage
GB 50015-2019 第1.0.6条Standard for Design of Building Water Supply and Drainage
GB 50015-2019 第1.0.7条Standard for Design of Building Water Supply and Drainage
GB 50015-2019 第1.0.8条Standard for Design of Building Water Supply and Drainage
GB 50015-2019 第2.1.3条Standard for Design of Building Water Supply and Drainage
GB 50015-2019 第2.1.6条Standard for Design of Building Water Supply and Drainage
GB 50015-2019 第2.1.9条Standard for Design of Building Water Supply and Drainage
GB 50015-2019 第2.1.12条Standard for Design of Building Water Supply and Drainage
GB 50015-2019 第2.1.15条Standard for Design of Building Water Supply and Drainage
GB 50015-2019 第2.1.18条Standard for Design of Building Water Supply and Drainage

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