To provide a realistic accurate idea of the cost Provide information about building or not
Design estimates - screening - preliminary - detailed - engineer Bid estimates - Contractors´ will to win - Built by the lowest bidder Control estimates - monitoring project - budget estimates
Plans, sections and other relevant details of the work Specifications indicating the exact nature and class of materials to be used. The rates at which the different items of work are carried out
Estimating Materials Labor Estimating Estimating Plan Time Estimating