Minn. R. agency 151, ch. 1323, pt. 1323.0711
Current through Register Vol. 49, No. 29, 2025
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:
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.
Minn. R. agency 151, ch. 1323, pt. 1323.0711