Coordinate contractor callbacks
Learn how to coordinate contractor callbacks during the occupancy and operations commissioning stage under ASHRAE Standard 202 and Guideline 0. This guide outlines how to build a callback requirement register, issue formal written correction requests tied to OPR criteria, track SLAs, and escalate non-compliance. It also covers independent four-stage re-verification protocols and applying SSPC 300 Informative Annex 14 three-way classifications to protect Owner commercial leverage before warranty expiration.