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AB-660 Building energy efficiency standards: solar reflectance of roofs.(2019-2020)

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Date Published: 04/08/2019 09:00 PM
AB660:v97#DOCUMENT

Amended  IN  Assembly  April 08, 2019
Amended  IN  Assembly  March 21, 2019

CALIFORNIA LEGISLATURE— 2019–2020 REGULAR SESSION

Assembly Bill No. 660


Introduced by Assembly Member Levine

February 15, 2019


An act to add Section 25402.13 25402.14 to the Public Resources Code, relating to energy.


LEGISLATIVE COUNSEL'S DIGEST


AB 660, as amended, Levine. Building energy efficiency standards: solar reflectance of roofs.
Existing law authorizes the State Energy Resources Conservation and Development Commission to prescribe, by regulation, energy efficiency standards, including appliance efficiency standards. Under this authorization, the commission has adopted requirements for thermal emittance, 3-year aged reflectance, and solar reflectance index of roofing materials used in new construction and reroofing projects.
This bill would require the commission to increase the minimum aged solar reflectance requirements for steep roofs and for low-slope roofs on high-rise residential buildings, to take effect on January 1, 2030, to unspecified amounts. The bill would authorize the commission to exempt buildings in certain climate zones from these requirements if it determines that the increase in the minimum aged solar reflectance requirements would not be cost effective in those particular climate zones. commission, during each of the next 4 triennial code adoption cycles after January 1, 2020, to consider amendments to the roof replacement building standards for alterations to existing low-rise residential buildings to achieve the goals of increasing the value of minimum aged solar reflectance to 0.40 from 0.20 and expanding the range of climate zones in which the minimum aged solar reflectance values are prescribed for those alterations.
Vote: MAJORITY   Appropriation: NO   Fiscal Committee: YES   Local Program: NO  

The people of the State of California do enact as follows:


SECTION 1.

 Section 25402.14 is added to the Public Resources Code, to read:

25402.14.
 During each of the next four triennial code adoption cycles after January 1, 2020, the commission shall consider amendments to the roof replacement building standards for alterations to existing low-rise residential buildings, to be included in Part 6 (commencing with Section 100) of Title 24 of the California Code of Regulations, to achieve the goals of increasing the value of minimum aged solar reflectance to 0.40 from 0.20 and expanding the range of climate zones in which the minimum aged solar reflectance values are prescribed for those alterations. In determining if such changes shall be made, the commission shall assess whether there is an adequate supply of available compliant product statewide and whether the change will be cost effective over the life of the roof replacement.

SECTION 1.Section 25402.13 is added to the Public Resources Code, to read:
25402.13.

(a)To mitigate the urban heat island effect consistent with the strategies for cool roofs developed pursuant to Section 71400, the commission shall do both of the following in regulations adopted pursuant to Section 25402:

(1)Increase the minimum aged solar reflectance requirement for steep roofs to ____.

(2)Increase the minimum aged solar reflectance requirement for low-slope roofs on high-rise residential buildings to ____.

(b)The commission may exempt buildings in certain climate zones from the requirements adopted pursuant to subdivision (a) if the commission determines that the increase in the minimum aged solar reflectance requirements would not be cost effective in those particular climate zones.

(c)Regulations adopted pursuant to this section shall take effect on January 1, 2030.