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GB 50015-2019 第3.2.9条 Standard for Design of Building Water Supply and Drainage

Water supply给排水

GB 50015-2019 第3.2.9条

| The hotel water supply system shall be provided with measures to prevent backflow contamination: when the water supply pipe is connected to non-potable water pipelines such as outdoor landscaping and landscape pools, a vacuum breaker or backflow preventer shall be installed; when connected to the fire water tank, a backflow preventer shall be installed.

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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