Section C406 Efficiency Packages
New buildings and changes in space conditioning, change of occupancy and building additions in accordance with Chapter 5 shall comply with sufficient packages from Table C406.1 so as to achieve a minimum number of six credits. Each area shall be permitted to apply for different packages provided all areas in the building comply with the requirement for six credits. Areas included in the same permit within mixed use buildings shall be permitted to demonstrate compliance by an area weighted average number of credits by building occupancy achieving a minimum number of six credits.
EFFICIENCY PACKAGE CREDITS
|CODE SECTION||COMMERCIAL BUILDING OCCUPANCY|
|Group R-1||Group R-2||Group B||Group E||Group M||All Other|
|Additional Efficiency Credits|
|1. More efficient HVAC performance in accordance with Section C406.2||2.0||3.0||3.0||2.0||1.0||2.0|
|2. Reduced lighting power: Option 1 in accordance with Section C406.3.1||1.0||1.0||2.0||2.0||3.0||2.0|
|3. Reduced lighting power: Option 2 in accordance with Section C406.3.2a||2.0||3.0||4.0||4.0||6.0||4.0|
|4. Enhanced lighting controls in accordance with Section C406.4||N/A||N/A||1.0||1.0||1.0||1.0|
|5. On-site supply of renewable energy in accordance with C406.5||3.0||3.0||3.0||3.0||3.0||3.0|
|6. Dedicated outdoor air system in accordance with Section C406.6b||4.0||4.0||4.0||N/A||N/A||4.0|
|7. High-performance dedicated outdoor air system in accordance with Section C406.7||4.0||4.0||4.0||4.0||4.0||4.0|
|8. High-efficiency service water heating in accordance with Sections C406.8.1 and C406.8.2||4.0||5.0||N/A||N/A||N/A||8.0|
|9. High-performance service water heating in multifamily buildings in accordance with Section C406.9||7.0||8.0||N/A||N/A||N/A||N/A|
|10. Enhanced envelope performance in accordance with Section C406.10c||3.0||6.0||3.0||3.0||3.0||4.0|
|11. Reduced air infiltration in accordance with Section C406.11 c||1.0||2.0||1.0||1.0||1.0||1.0|
|12. Enhanced commercial kitchen equipment in accordance with Section C406.12||5.0||N/A||N/A||N/A||5.0||5.0 (Group |
N/A = Not Allowed.
Where HVAC and service water heating systems and services are installed and comply with Section C406.2 or C406.8 under an initial tenant improvement permit, those systems and services shall be considered a part of the tenant space. Tenant spaces qualify for the credits assigned to the occupancy type of the tenant space in accordance with Table C406.1 if the tenant space includes the distribution system and equipment that the central HVAC systems or service water heating systems were designed to support.
Exception: Previously occupied tenant spaces in existing buildings that comply with this code in accordance with Section C501.
No less than 90 percent of the total HVAC capacity serving the total conditioned floor area of the entire building, or tenant space in accordance with Section C406.1.1, shall comply with Sections C406.2.1 through C406.2.3. For systems required to comply with Section C403.1.1, HVAC total system performance ratio, exceed the minimum requirement by 10 percent.
Exception: In low-energy spaces complying with Section C402.1.1 and semi-heated spaces complying with Section C402.1.1.2, no less than 90 percent of the installed heating capacity is provided by electric infrared or gas-fired radiant heating equipment for localized heating applications. Stand-alone supply, return and exhaust fans shall comply with Section C406.2.3.
Interior lighting shall be located, scheduled and operated in accordance with Section C405.2, and shall be configured with the following enhanced control functions:
A whole building, building addition or tenant space shall be provided with on-site renewable energy systems with an annual production per square foot of no less than the value specified in Table C406.5 based on the total conditioned floor area of the whole building. The on-site renewable used in this option shall be separate from on-site renewables used as part of Section C406.7 or used to qualify for any exception in this code.
ON-SITE RENEWABLE ENERGY SYSTEM RATING (PER SQUARE FOOT)
|BUILDING AREA TYPE||kBTU per year||kWh per year|