This chapter shall be known and may be cited and referred to
as the "Residential Code for the City of Sunnyvale."
(Ord. 3008-13 § 2)
The 2021 International Residential Code in its entirety, along
with Appendices AH, AK, and AV as published by the International Code
Council, Inc. and amendments to sections of the 2021 International
Residential Code adopted by the State Building Standards Commission
in California Code of Regulations (CCR) Title 24, Part 2.5, known
as the 2022 California Residential Code, is hereby adopted by reference,
with changes and modifications as hereinafter set forth, as the residential
code of the city of Sunnyvale.
(Ord. 3008-13 § 2; Ord. 3100-16 § 12; Ord. 3149-19 § 12; Ord. 3202-22 § 13)
2022 California Residential Code Chapter 1 Division II is hereby
amended as follows:
2022 California Residential Code Chapter 1 Division II is hereby replaced by the provisions of Chapter 16.16.
(Ord. 3008-13 § 2; Ord. 3100-16 § 13; Ord. 3149-19 § 13; Ord. 3202-22 § 14)
2022 California Residential Code Chapter 2 is hereby amended
as follows:
For the purpose of the California Residential Code, certain
terms are defined as follows:
means the board created to hear and determine appeals from
a decision or order of the chief building official. The city council
shall serve as the board of appeals.
means the officer or other person charged with the administration
and enforcement of the following codes of the city:
means building inspection superintendent.
mean each and all of the following codes of the city:
A single-family dwelling unit on an individual lot constructed
in a group of three or more attached units in which each extends from
foundation to roof and with a yard or public way on at least two sides.
A space in a building for living, sleeping, eating or cooking
including bathrooms, toilet rooms, closets, halls, storage or utility
spaces and similar areas.
(Ord. 3008-13 § 2; Ord. 3100-16 § 14; Ord. 3149-19 § 14; Ord. 3202-22 § 15; Ord. 3212-23 §
2)
2022 California Residential Code Table R302.1(2) footnote "a"
is amended to read follows:
a.
For
residential subdivisions where all dwellings and accessory buildings
are equipped throughout with an automatic sprinkler system installed
in accordance with Section R313, the fire separation distance for
exterior walls not fire-resistance rated and for fire-resistance rated
projections shall be permitted to be reduced to 0 feet, and unlimited
unprotected openings and penetrations shall be permitted, where the
adjoining lot provides an open setback yard that is 6 feet or more
in width on the opposite side of the property line.
(Ord. 3008-13 § 2; Ord. 3100-16 § 15; Ord. 3149-19 § 15; Ord. 3202-22 § 16)
2022 California Residential Code Section R302.2 is amended as
follows:
R302.2 Townhouse Units. Each townhouse unit shall
be considered a separate building and shall be separated by fire-resistance
rated wall assemblies meeting the requirements of Section R302.1 for
exterior walls.
(Ord. 3008-13 § 2; Ord. 3100-16 § 16; Ord. 3149-19 § 16; Ord. 3202-22 § 17)
2022 California Residential Code Sections R313.1, R313.2, and
R313.3 are hereby amended to read as follows:
R313.1 Townhouse unit automatic fire sprinkler systems. An automatic residential fire sprinkler system shall be installed
in townhouse units.
Existing Townhouse Units. An automatic residential
fire sprinkler system shall be installed in existing townhouse units
when additions or conversions from non-habitable to habitable spaces
are made that are in excess of 50 percent of the habitable building
area.
Firewalls used to separate building areas shall be constructed
in accordance with the 2022 California Building Code and shall be
without openings or penetrations.
Exception: A one-time addition to existing townhouse
units that do not exceed 500 square feet of building area.
R313.1.1 Design and Installation. Automatic residential
fire sprinkler systems for townhouse units shall be designed and installed
in accordance with NFPA 13D and local standards.
R313.2 One- and two-family dwellings automatic fire systems. An automatic residential fire sprinkler system shall be installed
in one- and two-family dwellings.
Existing one- and two-family dwellings. An automatic residential
fire sprinkler system shall be installed in existing one and two-family
dwellings when additions or conversions from non-habitable to habitable
spaces are made that are in excess of 50 percent of the habitable
building area.
Firewalls used to separate building areas shall be constructed
in accordance with the 2022 California Building Code and shall be
without openings or penetrations.
Exception: One-time additions to one and two-family
dwellings that do not exceed 500 square feet of building area.
Group U private garages and carports shall comply with Section
903.2.18 of the 2022 California Fire Code.
R313.2.1 Design and Installation. Automatic residential
fire sprinkler systems for one- and two-family dwellings shall be
designed and installed in accordance with NFPA 13D and local standards.
2022 California Residential Code Section R313.3 is hereby amended
by deleting the following provisions:
R313.3 Dwelling unit fire sprinkler systems.
(Ord. 3008-13 § 2; Ord. 3100-16 § 18; Ord. 3149-19 § 17; Ord. 3202-22 § 18)
2022 California Residential Code Section R328.4 Locations is
amended to read as follows:
R328.4 Locations. ESS shall be installed only in
the following locations:
Detached garages and detached accessory structures.
1.
Attached
garages separated from the dwelling unit living space in accordance
with Section R302.6.
2.
Outdoors
installations or on the exterior side of the exterior walls shall
not be located less than 3 feet (914 mm) from doors and windows directly
entering the dwelling unit and shall not be located below any emergency
escape and rescue openings.
3.
Enclosed
utility closets, basements, storage or utility spaces within dwelling
units with finished or noncombustible walls and ceilings. Walls and
ceilings of unfinished wood-framed construction shall be provided
with not less than 5/8-inch (15.9 mm) Type X gypsum wallboard.
4.
ESS
shall not be installed in sleeping rooms, or closets or spaces opening
directly into sleeping rooms or in habitable spaces of dwelling units.
(Ord. 3202-22 § 19)
2022 California Residential Code Section R328.7 Fire detection
is amended to read as follows:
R328.7 Fire detection. Rooms and areas within dwelling
units, basements and attached garages in which ESS are installed shall
be protected by smoke alarms in accordance with Section R314. A heat
detector, listed and interconnected to the smoke alarms, shall be
installed in locations within dwelling units and attached garages
where smoke alarms cannot be installed based on their listing.
ESS installed in Group R-3 and townhomes shall comply with the
following:
1.
Rooms
and areas within dwellings units, sleeping units, basements and attached
garages in which ESS are installed shall be protected by smoke alarms
in accordance with Section R314.
2.
A listed
heat alarm interconnected to the smoke alarms shall be installed in
locations within dwelling units, sleeping units and attached garages
where smoke alarms cannot be installed based on their listing.
Exceptions:
1.
A
listed heat detector may be used in place of a heat alarm, so long
as it is interconnected with devices that provide an audible alarm
at all sleeping areas.
2.
A
fire sprinkler associated with an approved automatic sprinkler system
that triggers an audible alarm upon activation of the waterflow switch,
may be used in place of a heat alarm.
(Ord. 3202-22 § 20)
2022 California Residential Code Table R602.10.3(3) (Bracing
Requirements Based On Seismic Design Category) of CRC Chapter 6 (Wall
Construction) is amended as follows:
|
TABLE R602.10.3(3) i,j
| |
|---|---|
|
2022
|
California Residential Code Table R602.10.3(3) footnotes "i"
and "j" are added to the end of the table to read:
|
|
i.
|
Methods PBS, HPS, SFB and CS-SFB are not permitted in Seismic
Design Categories D0, D1, and D2.
|
|
j.
|
Methods GB, DWB and PCP are not permitted in Seismic Design
Categories D0, D1, and
D2 where S1 is greater
than or equal to 0.75.
|
(Ord. 3008-13 § 2; Ord. 3100-16 § 20; Ord. 3149-19 § 18; Ord. 3202-22 § 21)
2022 California Residential Code Section R902.1.2 is amended
to read as follows:
R902.1.2 Roof Coverings in All Other Areas. The
entire roof covering of every existing structure where more than fifty
percent of the total roof area is replaced within any one-year period,
the entire roof covering of every new structure, and any roof covering
applied in the alteration, repair or replacement of the roof of every
existing structure, shall be a fire-retardant roof covering that is
at least Class B.
(Ord. 3008-13 § 2; Ord. 3100-16 § 21; Ord. 3149-19 § 19; Ord. 3202-22 § 22)
2016 California Residential Code Section R326.1 is amended to
read as follows:
R326.1 General. The design and construction of
pools and spas shall comply with the 2016 California Residential Code.
(Ord. 3100-16 § 22; Ord. 3149-19 § 20; Ord. 3202-22 § 23)
