GB/T 50378-2019 第4.2.4条
| **** | **Scoring item**: Measures taken to enhance building durability. For example: **(1)** MEP pipelines (such as water supply and drainage pipes, cable trays) use corrosion-resistant and anti-aging materials (such as stainless steel pipes, flame-retardant PVC pipes), with a design service life of no less than **20 years**; **(2)** For MEP products such as lighting fixtures, switch panels, and sanitary ware in hotel public areas (lobby, corridors), their durability indicators (such as a switch life of no less than **40,000 operations**) comply with current national standards. |