GB 50242-2002 第3.1.2条
| | Construction of building water supply, drainage and heating works must be carried out by construction units with the corresponding qualification grade, and complete construction technical documents shall be provided. |
| | Construction of building water supply, drainage and heating works must be carried out by construction units with the corresponding qualification grade, and complete construction technical documents shall be provided. |
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.