Section of Structural Measurement and Estimation
After completing the design of architectural, structural, mechanical and electrical installation drawings, in some projects where the customer or employer wants to obtain the best time and financial conditions from contractors and builders, measurement and estimation are carried out. The purpose of measurement is to calculate the quantities and volumes of work in a project, and the estimate is extracted based on the calculated quantities and costs per meter. In general, measurement and estimation are carried out with two different methods:
- Packed measurement
In this method, the quantities and weights of materials are calculated and estimated according to the required units from the drawings and contract documents and entered into special tables. Then, the obtained values are multiplied by the base unit prices (usually the base unit price list of the relevant field is used) to obtain the price of each item. The net price of the project is obtained from the algebraic sum of the item prices. If this price is multiplied by the relevant coefficients, the total price of the project is obtained.
Here it should be determined in what unit each operation should be calculated. Once the unit is determined, the calculation of the work quantities depends on the engineering ability and personal experience of the meterer who can best perform the relevant calculations. In the basic unit prices of the price list, the cost of providing all materials, machinery, manpower, loading and transporting materials and supplies required to any distance (except those specified in the price list) to the end of the work and loading and wasting of materials, providing water, fuel, repairing and depreciating machinery for the correct and complete execution of the work has been calculated.
- Open meter (cost breakdown or cost analysis)
It is not possible to estimate the cost of implementation, and the time required to implement a project without using cost breakdown, and the closer the cost breakdown used in terms of materials, manpower and machinery is to reality, the closer the initial estimate will be to the project implementation cost. In this method, all the calculated works and amounts are calculated from the meter tables and the relevant price analysis is performed for each work.
To calculate the price analysis, the following must be considered.
- Determining the cost of the required materials
- Determining the labor wage
- Contractor’s profit
- Machine rental
- Machine depreciation
- Management
These services are provided by expert experts in the fields of buildings and facilities of the International Presa Group.
Metering and cost estimation
Metering refers to the process of measuring, calculating the amount of work, and the need for materials for the construction of the project. The estimation of the implementation and construction of a project includes calculating the cost and amount of materials and the cost of labor and services required by the project, and after that, it is possible to calculate the construction and completion time of the project, so that the project owner can start the construction operations fully aware of the cost and time of the project before starting the construction operations.
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After the completion and approval of the phase one and phase two technical-engineering drawings (including architecture, structure, mechanics and electricity) and the specification of the implementation details for informing the project employer, the project will enter the measurement and estimation stage, which is estimated based on the standards of the Planning and Budget Organization (price list), and an approximate report of the completion time of the project will be made. As a result, measurement and estimation will be made to determine all the time and cost required for the project.
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