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GB 50015-2019 第4.2.2条 Standard for Design of Building Water Supply and Drainage

Water feature给排水

GB 50015-2019 第4.2.2条

| The makeup water pipe for the water feature pool should be equipped with a backflow preventer to prevent backflow contamination. The outlet of the makeup water pipe should be above the pool's overflow level, and its minimum air gap should not be less than 2.5 times the diameter of the makeup water pipe.

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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