GB 50300-2013 第2.0.5条
| | **Main control items**: Inspection items in construction engineering that play a decisive role in safety, hygiene, environmental protection and public interest. In hotels, such as: pressure test of fire sprinkler system (test pressure is 1.5 times the working pressure, and not less than 0.6MPa), lightning protection grounding resistance value (≤1Ω), water supply pipeline hydraulic test (test pressure is 1.5 times the working pressure, and ≥0.6MPa), etc. |