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Appendix A4

Section A4.602

California Green Building Standards Code (Title 24, Part 11) · 2019 edition · updated 2026-09-12 · California

RESIDENTIAL OCCUPANCIES APPLICATION CHECKLIST—continued

FEATURE OR MEASURE LEVELS
APPLICANT TO SELECT ELECTIVE MEASURES
VERIFICATIONS
ENFORCING AGENCY TO SPECIFY
VERIFICATION METHOD
FEATURE OR MEASURE Mandatory Prerequisites and electives1 Prerequisites and electives1 Enforcing
Agency

All
Installer or
Designer

All
Third
party

All
FEATURE OR MEASURE Mandatory Tier 1 Tier 2 Tier 2 Tier 2 Tier 2
Water Reuse Systems
A4.305.1Piping is installed to permit future use of a graywater
irrigation system served by the clothes washer or other fixtures.
A4.305.2 Recycled water piping is installed.
A4.305.3Recycled water is used for landscape irrigation.
Innovative Concepts and Local Environmental Conditions
A4.306.1Items in this section are necessary to address innovative
concepts or local environmental conditions.
Item 1
Item 2
Item 3
MATERIAL CONSERVATION AND RESOURCE
EFFICIENCY
Foundation Systems
A4.403.1A Frost-protected Shallow Foundation (FPSF) is designed
and constructed.
A4.403.2Cement use in foundation mix design is reduced.
Tier 1. Not less than a 20 percent reduction in cement use.
**Tier 2.**Not less than a 25 percent reduction in cement use.
2 2
Efficient Framing Techniques
A4.404.1 Beams and headers and trimmers are the minimum size to
adequately support the load.
A4.404.2Building dimensions and layouts are designed to minimize
waste.
A4.404.3Use premanufactured building systems to eliminate solid
sawn lumber whenever possible.
A4.404.4 Material lists are included in the plans which specify
material quantity and provide direction for on-site cuts.

continued

120 2019 CALIFORNIA GREEN BUILDING STANDARDS CODE

Copyright © 2019 ICC. ALL RIGHTS RESERVED. Accessed by Kevin Day (kevin.day@dgs.ca.gov), (California Building Standards Commission) Order Number #100735044 on Jul 24, 2019 03:54 PM (PDT) pursuant to License Agreement with ICC. No further reproduction or distribution authorized. Single user only, copying and networking prohibited. ANY UNAUTHORIZED REPRODUCTION OR DISTRIBUTION IS A VIOLATION OF THE FEDERAL COPYRIGHT ACT AND THE LICENSE AGREEMENT, AND SUBJECT TO CIVIL AND CRIMINAL PENALTIES THEREUNDER.

100735044

RESIDENTIAL VOLUNTARY MEASURES

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Contents — California Green Building Standards Code (Title 24, Part 11)

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