11.1. SCOPE

SECTION 11 CONSTRUCTION AND PLANS FOR OPERATION 11.1 SCOPE. This section specifies requirements for construction and plans for operation, including the commissioning (Cx) process, building acceptance testing, measurement and verification, and energy use reporting. Building projects shall comply with the following conditions as applicable: All projects shall comply with Section 11.3.1.1-Acceptance Testing. The following building projects shall comply with Section 11.3.1.2-Project Commissioning: New construction (including additions) 10,000 sf (929 m2) or greater. Level III alterations alteration area of 10,000 sf (929 m2) or greater. Alterations of 20,000 sf (1858.06 m2) or greater. New, replaced, or relocated mechanical, electrical, or plumbing equipment that serves 20,000 sf (1858.06 m2) or larger. Projects having a new, replaced, and/or relocated, HVAC system with a heating equipment size of 480,000 BTU’s or greater, or with a cooling equipment size of 600,000 BTUs or greater. The following building projects shall comply with Section 11.3.1.3-Building Envelope Commissioning (BECx): New Construction or additions 50,000 sf (4645.12 m2) or greater. Alterations and/or additions: for buildings over 50,000 sf (4645.12 m2), where at least 25 percent of the vertical, above-grade building envelope is being replaced, altered, and/or added. 11.1.1 Systems. The following systems and associated controls, if included in the building project, shall be commissioned: Heating, ventilating, air-conditioning, and refrigeration systems (mechanical and/or passive). b. Building envelope systems, components, and assemblies to verify the airtightness and thermal and moisture integrity. Building envelope airtightness commissioning shall also comply with Section 11.3.1.3. c. Lighting systems. d. Fenestration control systems: Automatic controls for shading devices and dynamic glazing. e. Irrigation. f. Domestic and process water pumping and mixing systems. g. Service water heating systems. h. Renewable energy systems. i. Water measurement devices. j. Energy measurement devices. SOURCE: Final Rulemaking published at 67 DCR 6326 (May 29, 2020 – Part 2). The District of Columbia Energy Conservation Code (2017), referred to as the “Energy Conservation Code,” consists of ANSI/ASHRAE/IES 90.1-2013, Energy Standard for Buildings Except Low-Rise Residential Buildings (ASHRAE 90.1) and substantial portions of Chapter 7 of ANSI/ASHREA/IES 189.1-2014, Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings (ASHRAE 189.1), published by the American Society of Heating, Refrigeration and Air-Conditioning Engineers (ASHRAE), and the Residential Provisions of the 2015 edition of the International Energy Conservation Code (International Energy Conservation Code), published by the International Code Council (ICC), as amended by the Energy Conservation Code Supplement of 2017 – Commercial Provisions (12-I[CE] DCMR) and the Energy Conservation Code Supplement of 2017 – Residential Provisions (12-I[RE] DCMR). The International Energy Conservation Code is copyrighted by the ICC and therefore is not republished here. However, a copy of the text may be obtained at: https://codes.iccsafe.org/public/document/IECC2015. ASHRAE 90.1 is copyrighted by ASHRAE and therefore is not republished here. However, the text of ASHRAE 90.1 may be reviewed at: https://www.ashrae.org/standards-research--technology. Portions of Chapter 7 of ASHRAE 189.1 are reprinted in the District of Columbia Energy Conservation Code Supplement by permission of ASHRAE and ICC. District of Columbia Municipal Regulations Energy Conservation Code Supplement of 2017 – Commercial Provisions 12-I[CE] DCMR § 11.1