GB 50054-2011 第7.2.7条
| | When cables are laid in cable trenches or cable tunnels, the clear height should not be less than 1.9 m; the clear height of cable trenches in the hotel basement should not be lower than 1.4 m. |
| | When cables are laid in cable trenches or cable tunnels, the clear height should not be less than 1.9 m; the clear height of cable trenches in the hotel basement should not be lower than 1.4 m. |
12 hotel MEP experts online, answers cite standard clauses you can verify.
Ask free →Engineering reference only — verify against project conditions and the latest codes.