The construction drawing budget serves as the basis for the construction unit and the contractor to sign the construction contract (primarily confirming the contract price) and to carry out the final settlement. It also provides the foundation for construction enterprises to strengthen operational management, conduct sound economic accounting, and evaluate business performance.

　　The purpose of the construction drawing budget is that it serves as the primary document for the operational management of construction and installation enterprises. Its main functions include:
1. The construction drawing budget serves as the basis for the construction unit and the contractor to sign the construction contract (primarily confirming the contract price) and for settling the project upon completion. It also provides the construction enterprise with a foundation for strengthening operational management, conducting sound economic accounting, and evaluating business performance.
2. The construction drawing budget serves as the basis for construction enterprises to carry out construction preparations.
3. The construction drawing budget serves as the basis for the construction unit to prepare the construction plan and calculate the volume of construction and installation works as well as the physical quantities involved.
4. The construction drawing budget serves as the basis for construction enterprises to statistically track the completion of construction and installation work volume and physical quantities.
5. The construction drawing budget serves as the basis for preparing the construction budget, controlling material consumption, and managing labor usage.
6. The construction drawing budget serves as the basis for the construction unit and the construction enterprise to implement a fixed-budget system.
7. The construction drawing budget serves as the basis for the Construction Bank’s disbursement of project funds.
8. The construction drawing budget serves as the basis for construction enterprises to conduct sound economic accounting and control cost expenditures.

• 建筑信息模型