855773644-LEED-v5-BD-C-Reference-Guide-Launch-Edition - Page 256
Extracted Content
| Phase | Task Descriptions | Fundamental ASHRAE 90.1-2019 | Enhanced ASTM E2947- 2021 | Minimum Requirements as listed |
|---|---|---|---|---|
| Field Reviews | Section 4.2.5.2.2.c.3 | Section 9.3.1 | Fundamental: Minimum of one (1) per envelope assembly type. Enhanced: should include more regularly scheduled /periodic site reviews with a focus on early reviews (approx. 10% of installation). | |
| Testing (Review/witness performance testing) | Section 4.2.5.2.2.c.3 | Section 9.3.1 | Fundamental: N/A Enhanced: Witnessing a sampling of envelope tests. May also include laboratory and mockup testing. | |
| Meetings | Required by LEED | Section 9.3.4 | Fundamental: Milestone meetings at 50% and 100%. Enhanced: Additional milestone meetings (i.e., 25%, 50%, 75% and 100% of envelope schedule minimum). | |
| QA/QC Documentation (contractor’s checklists) | Required by LEED | Section 9.2.2 | Fundamental: Sampling review of building envelope contractor checklists (i.e., 10%). Enhanced: Review a minimum of 25% sampling of installer checklists. | |
| Operations and Maintenance Manual | Not Required | Section 9.4 | Confirm compliance with OPR, BOD and BECx Plan. | |
| Construction Phase BECx Report | Section 4.2.5.2.2.c | Section 9.7 | Fundamental and Enhanced: Completion of LEED Online documentation as |
U.S. Green Building Council LEED v5 Reference Guide for Building Design and Construction, April 2025 Launch Edition 246