Components in the calculation of the cost of the building consists of:
1. Develop job descriptions and material specifications and requirements,
2. Calculation of the volume of work,
3. Creating a list of the volume of work, the unit price of materials and labor costs,
4. Creating a list of unit of analysis,
5. Creating a list of unit price analysis, and
6. Creating a list of budget plan analysis and recap.
To clarify each component, then an example of calculation residential development in accordance with the plans and drawings. Volume calculations presented is a pure calculation, not added as a result of shrinkage and waste materials. Material unit price and unit price of wage labor used is merely an example, these prices at any time will vary according to the situation on the market price or areas where homes will be built.
Job creation residential is assumed to be done alone, if the implementation of the development being handed to the other party (the contractor) is usually added services contractors range from 5-10% of the overall cost, or depending on the agreement between the owner and the contractor.
After the planned building area, then determined the design of the form of working drawings, and construction materials that will be used along with the technical specifications, can be further compiled a list of jobs and the terms.