1. data verification: the consulting institution shall communicate with relevant parties and request to supplement or provide missing data. This includes communicating with the owner, the constructor or the supervisor to ensure that the required documents, reports and data are obtained.
2. Estimation and inference: complete information cannot be obtained, and the cost consulting agency needs to estimate and infer according to the existing data and information. We can use their professional knowledge and experience and refer to relevant industry standards and guidelines to get a reasonable estimate of missing data.
3. Risk assessment: In the process of settlement, consulting institutions should also consider the risks and uncertainties brought by incomplete information. You can discuss with interested parties and provide risk and impact assessment.
4. Documentation: During the settlement process, the consulting institution shall keep all communication records, supplementary materials and estimated data related to incomplete information. These records can be used as a basis to support the settlement results and ensure transparency and traceability.
5. Reasonable explanation and negotiation: If the missing information cannot be obtained or the estimation is controversial, the cost consulting agency shall make reasonable explanation and negotiation with relevant parties. Can provide a clear explanation, explain the basis and assumptions of settlement, and reach an understanding with relevant parties on the settlement results.