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1. The construction drawings (including design changes) in the construction are inconsistent with the characteristic description of the project quantity list, and the comprehensive unit price of the corresponding engineering quantity list items should be re-determined according to the actual construction project characteristics, and the contract price should be adjusted.
2. When the project price list item or its engineering quantity changes due to engineering changes, it should be adjusted according to the following regulations:
(1) If there is any project that is applicable to the change project in the list of marked price, the unit price of the project shall be adopted and determined according to the comprehensive unit price already in the contract;
(2) If the listed price list is not applicable but has a similar project, the unit price of similar items may be referred to within a reasonable range;
(3) If the listed project quantity list is not applicable or is not similar to the change project, the contractor shall propose to change according to the changed project data, measurement rules and pricing method, the information price issued by the project cost management organization and the contractor's quotation fluctuation rate. The unit price of the project is adjusted after the package is confirmed.
The contractor's quotation fluctuation rate can be calculated according to the different calculation formulas of the bidding project and the non-tendering project.
(4) If the price of the listed project quantity is not applicable or similar to the change project, and the price of the information issued by the project cost management organization is insufficient, the contractor shall change the project data, measurement rules, pricing method and market survey. Obtain a unit price for a project that has a legal basis, and adjust the unit price of the project.
3. When the engineering change causes the construction plan to change and the measures are changed, if the contractor proposes to adjust the project cost, the proposed plan shall be submitted to the contractor for confirmation in advance, and the changes compared with the original program measures shall be specified. Happening. The proposed plan shall be implemented after confirmation by both parties to the contract, and the project cost shall be adjusted in accordance with the regulations.
4. For the bidding project quantity list item, when the actual engineering quantity to be calculated and the deviation of the bidding quantity list and the engineering quantity change cause the deviation of the engineering quantity more than 15%, adjustment can be made. When the engineering quantity increases by more than 15%, the comprehensive unit price of the added part of the engineering quantity should be lowered; when the engineering quantity is reduced by 15%, the comprehensive unit price of the remaining part of the engineering quantity after the reduction should be increased.
5. During the performance of the contract, when the price of the contract is affected by fluctuations in the price of labor, materials, engineering equipment and machinery, the contract price shall be adjusted according to the contract.
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Relevant regulations on calculation of contract price adjustment for mine engineering projects
The contents of the engineering change and related contract price adjustment principles include: