ASHRAE 90.1 section 7.1.1.3 Alterations to existing buildings. ASHRAE 90.1 section 7.1.1.3 is amended to read as follows:
7.1.1.3 Alterations to existing buildings. Building service water-heating equipment installed as a direct replacement for existing building service water-heating equipment shall comply with the requirements of Section 7 applicable to the equipment being replaced. New piping, replacement piping, and existing piping that is not undergoing replacement that is accessible within the work area shall comply with Section 7.4.3. Where alterations include replacement of storage water heaters, then vertical pipe risers shall comply with Section 7.4.6.
47 SR 983
December 7, 2023
Official Publication of the State of Minnesota
Revisor of Statutes