GB 50500-2013 第7.2.2条
| **** | **Price adjustment method**: Agree on the range of price variation for major materials and engineering equipment (e.g., **when exceeding ±5%**, the excess portion shall be adjusted based on actual costs). In hotel buildings, the prices of major materials such as **stone, sanitary ware, custom furniture, and intelligent equipment** fluctuate significantly, so the price adjustment formula must be clearly defined. |