Every detailed cost estimate must start off with a highly accurate quantity take-off. In this weekly discussion, we will get into specific QTO techniques related to this week's reading: Please discuss...

Every detailed cost estimate must start off with a highly accurate quantity take-off. In this weekly discussion, we will get into specific QTO techniques related to this week's reading:

Please discuss pertinent methodologies for executing the quantity take off function for the following activities:

1)Existing Conditions,2)Concrete,3)Masonry,4)Metals,and lastly 5)Wood,Plastics and Composites...

Any and all techniques of interest in these5 areasmay be discussed.

You may discuss and contrast conceptual, ROM and unit pricing in your discussions.I would be interested in hearing about various mathematical formulas, geometric techniques, and construction analysis that allows the estimator the ability to perform an accurate detailed QTO.....Please provide source citations whenever possible.