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GB 50242-2002 第9.2.9条 Code for Acceptance of Construction Quality of Building Water Supply, Drainage and Heating Engineering

Outdoor water supply给排水

GB 50242-2002 第9.2.9条

| **** | **Insulation and freeze protection**: Water supply pipes located outdoors or in unheated areas (such as roof tank inlet pipes and outdoor fire hydrant pipes) must be insulated as per design requirements to prevent winter freezing that could affect hotel operations. |

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GB 50242-2002 第2.0.2条Code for Acceptance of Construction Quality of Building Wat…
GB 50242-2002 第2.0.3条Code for acceptance of construction quality of building wat…
GB 50242-2002 第2.0.4条Code for Acceptance of Construction Quality of Building Wat…
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