A new tool has been added to the "Tools" section of the site, that address this requirement.

2a. Piping Labor Hour Example
2b. Piping Labor Hour Estimate Blank Forms

This excel WorkBook was developed to give the Piping Lead/Supervisor the Tools to rapidly and accurately prepare a Labor Hour Estimate for all of the five sub-groups making up the total Piping effort on a project of any size.

These are excel documents for download.