Construction Estimating Method
There are several types of construction estimating method are followed by the professionals.
Preliminary Estimation: It is actually an indication of the cost estimation. Sometime owners have the common demand to know the primary estimate. The expected accuracy is no better than within 20-30%.
Square Foot Estimates: It is based on the historical data only. This technique is effective on preliminary estimation.
Assembly, Conceptual, or Intermediate Estimates: The first one is the bundle of work of different type combine into a single cost element. The grouping of cost data is called sytem.
Final Estimate Types: Final full estimates can be ready when the design and contract documents have been completed, or are fundamentally complete. Generally two types of final estimates are equipped;
- The contractor mean to bid the project,
- The owner's use in preparing budgets and evaluating bids for the project.
There are also other different kinds of estimates are existed.
- Contractor's Bid Estimates
- Engineer's or Owner's Estimate
- Alternative Analyses
- Change Orders and Claims Estimates
There are also some tools here also with survey and spreadsheets. The engineering software, project management software, data source, unit price data source etc.