GB 50500-2013 第4.3.3条
| **** | **The provisional prices for materials and engineering equipment in the provisional sum shall be estimated based on construction cost information or with reference to market prices, and a detailed schedule shall be listed.** Examples of provisional prices for materials commonly used in hotels: imported marble (e.g., Spanish Beige) at a provisional unit price of **800–1,200 RMB/㎡**, and guest room smart door locks at a provisional unit price of **1,500–3,000 RMB/set**. |