ASHRAE-90.1-2022- - Page 398
Extracted Content
Table M-1 Addenda to ANSI/ASHRAE/IES Standard 90.1-2019 (Continued)
| Addendum | Sections | Description of Changesa | ASHRAE Standard Committee Approval | Cosponsor Approval (IES) | ASHRAE BOD/Tech Council Approval | ANSI Approval |
|---|---|---|---|---|---|---|
| at | 3.2, 4, 5, 6, 7, 8, 10 | Establishes a consistent numbering system for each section of the standard and revises the definition for alteration. | 1/27/2022 | 1/18/2022 | N/A | 1/27/2022 |
| au | 6.2, 6.3.2 | Requires that heating and cooling equipment under the simplified compliance approach meet the requirements of Section 6.4.1.5. | 1/21/2022 | 1/18/2022 | N/A | 1/21/2022 |
| av | 3.2, 3.3, 5.5.3.2, 5.5.5, 5.6.1.1, 5.7.2, 5.8.2.3, Table 12.5.1 (5), 13, A1, A10, C1.2.7, C2.9, C3.5.5.4, C3.6, Appendix E, Table G3.1 (5), Appendix J | Adds requirements to address the impacts of thermal bridges in the building envelope. | 6/25/2022 | 6/17/2022 | 6/29/2022 | 7/29/2022 |
| aw | 3.2, 3.3, 6.4.1.1, Table 6.8.1-21, Table F-6, 13 | Adds the minimum energy efficiency requirements (and new CFEI metric) for large-diameter ceiling fans from 10 CFR 430. | 1/21/2022 | 1/18/2022 | N/A | 1/21/2022 |
| ay | Modifies Tables 6.8.1-8 and 6.8.1-9 for variable refrigerant flow (VRF) equipment based on the new AHRI 1230-2021 test procedure which required an adjustment to EER and IEER values. | 7/20/2022 | 9/8/2022 | 8/15/2022 | 9/9/2022 | |
| az | 3.2, 10.4.6 | Introduces compressed air system requirements with measures for reducing common sources of energy waste. | 1/21/2022 | 1/18/2022 | N/A | 1/21/2022 |
| bb | 9.5.1 | Updates the lighting power density values for the Building Area Method compliance path based on manufacturer- reported improvements in lighting performance. | 7/29/2022 | 7/26/2022 | N/A | 7/29/2022 |
| bd | 12.5.2, Table 12.5.1, G3.1.2, Table G3.1, Table G3.5.3, Appendix L | Provides performance curves for modeling chillers in budget (Section 12) and baseline designs (Appendix G) as well as default performance curves that can be used for chillers in proposed designs. | 5/31/2022 | 5/19/2022 | N/A | 5/31/2022 |
| be | 12.4.1.4, 12, C3.1.4, G2.2.4 | Updates references to the latest ANSI/ASHRAE Standard 140-2020 and specifies which simulation program tests are required for compliance with Appendix C and G of Standard 90.1. | 1/21/2022 | 1/18/2022 | N/A | 1/21/2022 |
| bf | 9.5.2.2 | Updates the decorative and retail lighting power allowances, adds an additional allowance for videoconferencing, and moves the additional power allowances and required controls to a table for easy reference. | 5/31/2022 | 5/19/2022 | N/A | 5/31/2022 |
| bg | 3.2, 8.1, 8.7.3.2, 9.1.1, 9.4.1, 9.6.3, 10.1.1, Table 12.5.1 (12), G1.2.2, Table G3.1 | Updates Sections 8, 9, 10, 12 and Appendix G to reflect the new purpose and scope (Addendum cb), utilizing the new definition of site. | 6/25/2022 | 6/17/2022 | 6/29/2022 | 7/29/2022 |
| bh | Table 12.5.1 | Revises the default PV system in the budget building design so that the temperature coefficient of power is aligned with the PV Watts input for a 19% panel efficiency as required by Addendum ck. | 1/21/2022 | 1/18/2022 | N/A | 1/21/2022 |
| bi | 3.2, 5.1.3, 5.5.3.1 | Creates specific provisions to distinguish roof replacements from other types of alterations. | 7/29/2022 | 7/26/2022 | N/A | 7/29/2022 |
| bj | 5.5.3, A1, A9, Appendix E | Reformats and clarifies Normative Appendix A requirements for thermal performance calculations to demonstrate compliance with Section 5.5 | 6/25/2022 | 6/17/2022 | 6/29/2022 | 7/29/2022 |
| a. These descriptions may not be complete and are provided for information only. | a. These descriptions may not be complete and are provided for information only. | a. These descriptions may not be complete and are provided for information only. | a. These descriptions may not be complete and are provided for information only. | a. These descriptions may not be complete and are provided for information only. | a. These descriptions may not be complete and are provided for information only. | a. These descriptions may not be complete and are provided for information only. |