HomeMy WebLinkAboutCC RES 25-53Docusign Envelope ID: 2AOD33FO-5065-414F-A565-C79F52B8BB38
RESOLUTION NO. 25-53
A RESOLUTION OF THE CITY COUNCIL OF THE CITY
CALIFORNIA, SETTING FORTH FINDINGS WITH RESPECT
CONDITIONS WITHIN THE CITY OF TUSTIN WHICH MAKE
CERTAIN MODIFICATIONS AND CHANGES TO THE 2025
BUILDING STANDARDS CODE
The City Council of the City of Tustin finds and resolves as follows:
OF TUSTIN,
TO LOCAL
NECESSARY
CALIFORNIA
WHEREAS, Health and Safety Code Section 17958 provides that the City of
Tustin shall adopt ordinances and regulations imposing the same or modified or
changed requirements as are contained in the 2025 California Building Standards Code
adopted by the State pursuant to Health and Safety Code Section 17922; and
WHEREAS, Health and Safety Code Section 17958.5(a) permits the City to
make modifications or changes to the 2025 California Building Standards Code, which
are reasonably necessary because of local climatic, geological or topographical
conditions; and
WHEREAS, Health and Safety Code Section 17958.7 requires that the City
Council, before making any modifications or changes to the 2025 California Building
Standards Code, shall make express findings that such changes or modifications are
reasonably necessary because of local climatic, geological or topographical conditions;
and
WHEREAS, the Community Development Department and the Orange County
Fire Authority (OCFA) have worked together to prepare Ordinance No. 1569
recommending that certain changes and modifications be made to the 2025 California
Building Standards Code that are reasonably necessary as administrative or procedural
in nature, or to ensure consistency with previously adopted ordinances, or are intended
to enhance life and fire safety due to the following local conditions:
I. Climatic Conditions
A. Orange County and the City of Tustin are located in a semi -arid
Mediterranean type climate. It annually experiences extended periods of
high temperatures with little or no precipitation. Hot, dry (Santa Ana)
winds, which may reach speeds of 70 M.P.H. or greater, are also common
to the area. Tustin's local climatic conditions may cause extreme drying of
vegetation and common building materials, and predispose all fuels,
including wood shingles, to rapid ignition and spread of fire. Untreated
wood roofs pose a serious fire hazard and aid the rapid spread of fires
when such fires are accompanied by high winds. Pieces of burning
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wooden roofs become flying brands and are carried by the wind to other
locations and thereby spread fire quickly.
B. Frequent periods of drought and low humidity add to the fire danger. This
predisposes the area to large destructive fires (conflagration). In addition
to directly damaging or destroying buildings, fires are also prone to disrupt
utility services throughout the County. Obstacles generated by a strong
wind, such as fallen trees, streetlights and utility poles could greatly impact
the response time to reach an incident scene. Placement of multiple
occupancy buildings, location of arterial roads, and OCFA staffing
constraints due to recent revenue -limiting state legislation have made it
difficult for the OCFA to establish additional fire stations and provide
manpower sufficient to concentrate fire companies and personnel to
control fires that may occur within high density apartment or condominium
buildings. Therefore, the proposed amendments would require additional
built-in on -site fire protection systems that are needed to protect
occupants and property until fire fighting apparatus and personnel arrive
on the scene. The added protection of fire sprinkler systems and other fire
protection features would supplement normal OCFA response by
providing immediate protection for the building occupants and by
containing and controlling the fire spread to the area of origin. Fire
sprinkler systems will also reduce the use of water for firefighting by as
much as 50 to 75 percent.
C. The climate alternates between extended periods of drought and brief
flooding conditions. Flood conditions may affect the Orange County Fire
Authority's ability to respond to a fire or emergency condition. Floods also
disrupt utility services to buildings and facilities within the County.
D. Water demand in this densely populated area far exceeds the quantity
supplied by natural precipitation; and although the population continues to
grow, the already -taxed water supply does not. Due to limited rainfall in
the area, storage capacity limitations and rising consumption needs, future
water allocation is not fully dependable. This necessitates the need for
additional on -site fire protection features.
E. The warm, dry climate in the region is conducive to swimming pools which
creates a higher probability of child drowning where pools are
unprotected.
II. Topographical conditions
A. Natural slopes of 15 percent or greater generally occur throughout the
foothills of Orange County, including Tustin. The elevation changes of the
hills provide the geological foundation for existing and future communities
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in Orange County. With much of the populated flatlands already built
upon, future growth could occur in areas with steeper slopes and greater
constraints in terrain.
B. Road circulation features throughout the County also necessitate
reasonable amendments. Major roadways, highways, and flood control
channels create barriers and can slow emergency response times.
Combined with hills, slopes, street and storm drain designs, and
occasional heavy rainfall, these conditions can cause roadway flooding
and landslides, at times rendering emergency access routes impassable.
As part of this larger system, Tustin may be negatively impacted during
emergencies.
C. The placement of multiple -occupancy buildings, the location of arterial
roads, and OCFA staffing constraints resulting from recent revenue -
limiting state legislation have made it difficult for the OCFA to site
additional fire stations and provide sufficient manpower to concentrate fire
companies and personnel for controlling fires in high -density apartment or
condominium buildings. These conditions create a critical need for built-in
on -site fire protection systems to safeguard occupants and property until
firefighting apparatus and personnel arrive on the scene..
D. These topographical conditions combine to create circumstances that may
place OCFA response times to fire incidents at risk, making it necessary to
provide automatic on -site fire -extinguishing systems and implement other
protective measures to safeguard occupants and property.
III Geological Conditions
A. The City of Tustin is located in Seismic Design Category D or higher.
There are earthquake faults that run along both the northeastern and
southwestern boundaries of Orange County. The Newport -Inglewood
Fault Zone (NIFZ) which runs through Orange County was the source of
the destructive 1933 Long Beach earthquake (6.3 magnitude, hypocenter
off Newport Beach coast), which took 120 lives, with areas damaged from
Laguna Beach to Marina del Rey and inland to Whittier, and poses one of
the greatest hazards to lives and property in the nation. Regional planning
to address issues related to earthquake recurrence is recommended by
the State of California, Department of Conservation and Governor's Office
of Emergency Services. There was also an earthquake in December
1989, with the epicenter located near the City of Irvine. The fault on which
this quake occurred was unknown prior to this activity. The October 17,
1989, Santa Cruz earthquake resulted in only one major San Francisco
fire in the Marina district, but when combined with the 34 other fires and
over 500 responses, the fire department was taxed to its full capabilities.
The Marina fire was difficult to contain because water mains supplying
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water to the district burst during the earthquake. If more fires had been
ignited by the earthquake, it would have been difficult for the fire
department to contain them. Experts predict a major earthquake in the
Tustin area within the next 50 years. This situation creates the need for
both additional fire protection measures and automatic on -site fire
protection for building occupants since a multitude of fires may result from
breakage of gas and electric lines as a result of an earthquake. As noted
by the document Planning Scenario on a Major Earthquake on the
Newport -Inglewood Fault Zone, 1988, State Department of Conservation
states: "unfortunately, barely meeting the minimum earthquake standards
of building codes places a building on the verge of being legally unsafe";
B. In the event of local emergency conditions within the City of Tustin, traffic
and circulation congestion often places OCFA response time to fire
occurrences at risk. This condition will be exacerbated by any major
regional disaster, including any earthquake wherein damage to the
highway system will occur. This condition makes the need for additional
on -site protection for property occupants necessary.
C. Soils throughout Orange County possess corrosive properties that can
reduce the usable life of metallic electrical conduits and water services
when in contact with these soils, necessitating amendments to the code to
protect public health and safety.
NOW THEREFORE BE IT RESOLVED, the City Council of the City of Tustin
resolves as follows:
Section 1: That certain changes and modifications to the 2025 California
Building Standards Code identified in proposed Ordinance No. 1569 are reasonably
necessary as administrative or procedural in nature, or to ensure consistency with
previously adopted ordinances, or are intended to enhance life and fire safety due to the
climatic, topographical, and/or geological conditions cited below. Furthermore, the City
Council declares that all the changes or modifications are substantially equivalent to
changes or modifications that were previously filed by the City of Tustin and were in
effect as of September 30, 2025
Amendments Proposed in Ordinance No. 1569
Findings as identified in Sections 1, 11, or 111, above)
California Building Code
Chapter 1, Division II
Administrative, zoning
Sections 202, 502.1, 903.2, 903.3.5.3, Table
I, 11, 111
1505.1, 1505.1.2, 1807.1.6, 3109.1, 3109.2,
3109.3, Appendix S
California Residential Code Sections R301.2,
R301.9, R309.1, R309.2, R309.3.6.2.2, R317.5,
Administrative, zoning
R902.1, R902.1.2, R902.2, R1001.14, R1001.13.1,
I, 1I, 111
R1001.13.2, R1001.13.3,
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California Electrical Code Sections 300.5, 310.10,
310.3B,310.3E,690.13
III
California Plumbing Code Sections 604.1 and
III
1208.5
California Fire Code Sections
113.4, 113.4.2
Administrative
202, 304.1.3, 305.6, 305.7, 307.6, 307.6.1,307.6.2,
I, 11, 111
307.6.2.1, 324, 325.1, 326, 327.1, 327.2, 327.3,
407.5, 501.1, 510.1, 903.2, 903.2.8, 903.3.5.3,
2801.2, 2808.2, 2808.3, 2808.4, 2808.7, 2808.9,
2808.11, 2808.11.1, 2808.11.2, 2808.12, 2808.13,
2808.14, 2808.15, 2808.16, 5001.5.2, 5003.1.1.1,
5608.2, 5608.3
deleted Chapters 25, 26, 2808.3.1
1, 11, 111
Chapter 80 — Referenced Standards
1, III, 111
2025 NFPA 13
1, 11, 111
16.1 2.3.3, 9.4.3.1, 9.2.1.7
2025 NFPA 13 D
1, 11, 111
7.1.2
2025 NFPA 24
I, 11, III
6.2.8.1, 6.2.9, 10.1.5, 10.4.1.1, 10.4.1.1.1, 10.4.3.2
Appendices B, BB, C, CC, H
1, 11, III
Section 2: The Community Development Department shall file copies of
Resolution No. 25-53 and Ordinance No. 1569 with the California Building Standards
Commission as required by Health and Safety Code Section 17958.7.
PASSED and ADOPTED at a regular meeting of the City Council of the City of Tustin,
held on the 18t" day of November 2025.
Signed by:
AU �EftfMBARD
MAYOR
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ATTEST: DS
FSigned dby:
ffk i(A 6ust'Ja
E R DN6.04YAS J DA
CITY CLERK
APPROVED AS TO FORM:
Docu Signed by:
�.,: y -
DA 8EF31KIENDIG,
City Attorney
STATE OF CALIFORNIA )
COUNTY OF ORANGE ) SS
CITY OF TUSTIN )
CERTIFICATION FOR RESOLUTION NO. 25-53
I, Erica N. Yasuda, City Clerk and ex-officio Clerk of the City Council of the City of
Tustin, California, does hereby certify that the whole number of the members of the City
Council of the City of Tustin is five; that the above and foregoing Resolution No. 25-53
was duly passed and adopted at a regular meeting of the Tustin City Council, held on
the 18t" day of November, 2025, by the following vote:
COUNCILMEMBER AYES:
COUNCILMEMBER NOES:
COUNCILMEMBER ABSTAINED:
COUNCILMEMBER ABSENT:
COUNCILMEMBER RECUSED:
DS
- [Signed by:
`U'iCa AstJ&
ER W04YASUDA,
CITY CLERK
Lumbard, Nielsen. Gallaaher, Schnell. Fink (5
(0)
(0)
Resolution 25-53
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