Guides

Piping takeoff guides

Written by an estimator, for estimators. How to read an ISO, what goes in an MTO, and where takeoffs go wrong.

• How to take off a piping ISOA piping takeoff from ISO drawings, step by step: title block, BOM, shop and field split, weld count, supports, and the MTO rollup.
• Shop weld vs field weldThe difference between a shop weld, a field weld, and a field fit weld on a piping ISO, and how to count each one.
• What is a piping MTOWhat a piping MTO is, what goes in one, how it differs from a BOM, and how to build one from the BOMs on a set of ISO drawings.