ASHRAE-90.1-2022- - Page 146

Extracted Content

8. POWER

8.1 General

8.1.1 Scope. This section applies to all building power distribution systems and only to equipment described below.

8.1.2 New Building or Site System or Equipment. Building power distribution equipment installed shall comply with the requirements of Section 8.2.

8.1.3 Addition to Existing Systems and Equipment. Building power distribution equipment installed in addition to existing buildings and existing sites shall comply with the requirements of Section 8.2.

8.1.4 Alterations to Existing Service Equipment or Systems

Exception to 8.1.4: Compliance shall not be required for the relocation or reuse of existing equipment at

the same site .

8.1.4.1 Alterations to building service equipment shall comply with the requirements of Section 8, as applicable to those specific portions of the building that are being altered.

8.1.4.2 Alterations to systems shall comply with the requirements of Section 8, as applicable to those specific portions that are being altered.

8.1.4.3 Any new equipment subject to the requirements of Section 8 that is installed in conjunction with the alterations as a direct replacement of existing equipment shall comply with the specific requirements, as applicable to that equipment .

8.2 Compliance Paths. Power distribution systems and equipment shall comply with Sections 8.2.1 and 8.2.2.

8.2.1 Requirements for All Compliance Paths. Power distribution systems and equipment only shall comply with Sections 8.1, “General”; 8.4, “Mandatory Provisions”; and 8.7, “Submittals.”

Exception to 8.2.1: Power distribution systems and equipment only serving a computer room with IT

equipment load greater than 10 kW shall be permitted to comply with Section 8.6, “Alternative Compliance Path.”

8.2.2 Additional Requirements to Comply with Section 8 (Not Used)

8.3 Simplified Building Compliance Path (Not Used)

8.4 Mandatory Provisions

144 ANSI/ASHRAE/IES Standard 90.1-2022 (I-P)