HomeMy WebLinkAboutAGENDA REPORT 2013 1016 CCSA REG ITEM 09C ITEM 9.C.
MOORPARK CITY COUNCIL
AGENDA REPORT
TO: Honorable City Council
FROM: David A. Bobardt, Community Development Director
By: Ray Young, Charles Abbott Associates, Building Official
DATE: October 4, 2013 (CC Meeting of 10/16/2013)
SUBJECT: Consider an Ordinance Amending Title 15 of the Moorpark Municipal
Code by Replacing in Their Entirety Chapters 15.04, 15.08, 15.10,
15.12, 15.14, 15.16, 15.18, 15.20 and 15.22 as Well as Adopting by
Reference and Amending the Current Editions of Certain Model
Codes and Determination of Exemption under CEQA in Connection
Therewith
BACKGROUND/DISCUSSION
New building standards have been adopted by the State to take effect on January 1,
2014. These codes include the California Building Code, 2013 Edition, Volumes 1 and
2, with Appendices C, F, H, I and J; California Residential Code, 2013 Edition, with
Appendices E, G and H; California Referenced Standards, 2013 Edition; California
Electrical Code, 2013 Edition; California Plumbing Code, 2013 Edition; California
Mechanical Code, 2013 Edition; California Energy Code, 2013 Edition; California Green
Building Standards Code, 2013 Edition; California Administrative Code, 2013 Edition;
International Property Maintenance Code, 2012 Edition and the Gypsum Association
Fire Resistance Design Manual, Twentieth Edition.
The State of California Health and Safety Code requires all jurisdictions to enforce the
most recent editions of these various building standards. Although the State requires
the enforcement of certain standards, it allows the City to amend these standards in
order to address local concerns. The State, however, does limit the City's ability to
amend the prescribed building standards to amendments that are stricter than State
standards and are reasonably necessary for reasons relating to local climate, geology
and topography.
The proposed Ordinance (attached), which would take effect on January 1, 2014
concurrently with the new State standards, includes adoption of the State standards,
along with amendments to specific building code sections dealing with administration
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Honorable City Council
October 16, 2013
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and fees as well as changes to the building standards to improve public safety with
respect especially to earthquakes and fire hazards. The proposed amendments in the
Ordinance were developed and recommended by local building officials and engineers
in conjunction with the Structural Engineers Association of California (SEAC). SEAC,
the City of Los Angeles and the cities of Ventura County as a unified consortium agreed
to recommend adoption of these additional amendments (which exceed the 2013
California Building Standards Codes) given unique climatic, geological and
topographical conditions that impact our local environment pursuant to Section 17958.5
of the Health and Safety Code. The proposed amendments to the 2013 California
Building Code, Residential Code, and Green Building Standards Code are essentially
the same as those made to the 2010 codes by City Ordinances 395 and 399.
Because of the proposed amendments, State law requires that the Council direct staff to
advertise a public hearing to be held at least fifteen (15) days prior to consideration of
second reading of the ordinance. Additionally, the City is required to send the
amendments to the State. The City Attorney has reviewed and approved the form of
the Ordinance.
ENVIRONMENTAL DETERMINATION
This ordinance with proposed amendments to Title 15 of the Moorpark Municipal Code
is exempt from the provisions of the California Environmental Quality Act pursuant to
Section 15061(b)(3) of the California Code of Regulations (CEQA Guidelines) by the
general rule that CEQA only applies to "projects" that may have a significant effect on
the environment. The proposed ordinance would amend the Municipal Code related to
building standards necessary to protect health and safety. In this case, it can be seen
with certainty that there is no possibility that the proposed Ordinance may have a
significant impact on the environment.
FISCAL IMPACT
None.
STAFF RECOMMENDATION
Introduce Ordinance No. , amending Title 15 of the Moorpark Municipal Code, for
first reading, waive full reading, and direct staff to schedule a public hearing and second
reading and adoption of this ordinance for November 6, 2013.
Attachment: Ordinance No.
412
ORDINANCE NO.
AN ORDINANCE OF THE CITY OF MOORPARK CALIFORNIA,
AMENDING TITLE 15 OF THE MOORPARK MUNICIPAL CODE BY
REPLACING IN THEIR ENTIRETY CHAPTERS 15.04
(ADMINISTRATIVE PROVISIONS), 15.08 (BUILDING CODE), 15.10
(CALIFORNIA GREEN BUILDING STANDARDS CODE), 15.12
(ELECTRICAL CODE), 15.14 (PLUMBING CODE), 15.16 (MECHANICAL
CODE), 15.18 (HOUSING CODE), 15.20 (CALIFORNIA ENERGY
CODE), AND 15.22 (CALIFORNIA RESIDENTIAL CODE); ADOPTING
BY REFERENCE AND AMENDING THE 2013 EDITION OF THE
CALIFORNIA BUILDING CODE, VOLUMES 1 and 2, WITH
APPENDICES C, F, H, I AND J, THE 2013 EDITION OF THE
CALIFORNIA RESIDENTIAL CODE, WITH APPENDICES E, G AND H,
THE 2013 EDITION OF THE CALIFORNIA REFERENCED STANDARDS,
THE 2013 EDITION OF THE CALIFORNIA ELECTRICAL CODE, THE
2013 EDITION OF THE CALIFORNIA PLUMBING CODE, THE 2013
EDITION OF THE CALIFORNIA MECHANICAL CODE, THE 2013
EDITION OF THE CALIFORNIA ENERGY CODE, THE 2013 EDITION
OF THE CALIFORNIA GREEN BUILDING STANDARDS CODE, THE
2013 EDITION OF THE CALIFORNIA ADMINISTRATIVE CODE, THE
2012 EDITION OF THE INTERNATIONAL PROPERTY MAINTENANCE
CODE AND THE TWENTIETH EDITION OF THE GYPSUM
ASSOCIATION FIRE RESISTANCE DESIGN MANUAL, AND MAKING
FINDINGS THAT AMENDMENTS TO THE 2013 EDITIONS OF THE
CALIFORNIA BUILDING CODE AND CALIFORNIA RESIDENTIAL CODE
ARE REASONABLY NECESSARY DUE TO LOCAL CLIMATIC,
GEOLOGICAL AND TOPOGRAPHICAL CONDITIONS AND
DETERMINATION OF EXEMPTION UNDER CEQA IN CONNECTION
THEREWITH
WHEREAS, the City of Moorpark ("City") has adopted the 2010 Editions of the
California Building Code, the California Green Building Standards Code, the California
Electrical Code, the California Plumbing Code, the California Mechanical Code, the
California Energy Code and the California Residential Code (collectively referred to as
the "California Building Standards Code") with certain modifications and changes; and
WHEREAS, the City has adopted the 2009 Edition of the International Property
Maintenance Code with certain modifications and changes; and
WHEREAS, the City has adopted the Nineteenth Edition of the Fire Resistive
Manual; and
WHEREAS, Health and Safety Code Section 18938(b) generally provides that
the most recent edition of the California Building Standards Code shall apply to all
CC ATTACHMENT
413
Ordinance No.
Page 2
occupancies in the state and shall become effective 180 days after publication by the
California Building Standards Commission; and
WHEREAS, the 2013 Edition of the California Building Standards Code has
been published by the California Building Standards Commission, incorporated into the
California Code of Regulations Title 24 and will become effective on January 1, 2014;
and
WHEREAS, the 2012 Edition of the International Property Maintenance Code
has been published by the International Code Council; and
WHEREAS, the Twentieth Edition of the Fire Resistance Design Manual has
been published by the Gypsum Association; and
WHEREAS, California Health and Safety Code Sections 17958, 17958.5,
17958.7 and 18941.5 allow certain amendments to the California Building Standards
Code to be made by a local government provided findings of necessity can be made;
and
WHEREAS, Government Code Section 50022.1 et seq. provides that local
agencies may adopt by reference any federal and California statute or any published
compilations of rules, regulations or standards adopted by the federal government or
the State of California, or by any agency of either of them, provided that prior to such
adoption by reference a noticed public hearing has been held; and
WHEREAS, in accordance with Government Code Sections 50022.3 and 6066,
first reading of this Ordinance was held by the City Council on October 16, 2013 and a
noticed public hearing has been held by the City Council on November 6, 2013, at
which time all interested persons had the opportunity to appear and be heard on the
matter of adopting by reference the following standards adopted by the State of
California: California Building Code, 2013 Edition, Volumes 1 and 2, with Appendices
C, F, H, I and J; California Residential Code, 2013 Edition; with Appendices E, G, and
H, California Referenced Standards, 2013 Edition; California Electrical Code, 2013
Edition; California Plumbing Code, 2013 Edition; California Mechanical Code, 2013
Edition; California Energy Code, 2013 Edition; California Green Building Code, 2013
Edition; California Administrative Code, 2013 Edition; International Property
Maintenance Code, 2012 Edition; and the Fire Resistance Design Manual, Twentieth
Edition, together with amendments thereto; and
WHEREAS, the Community Development Director determined that this
ordinance with proposed amendments to Title 15 of the Moorpark Municipal Code is
exempt from the provisions of the California Environmental Quality Act pursuant to
Section 15061(b)(3) of the California Code of Regulations (CEQA Guidelines) by the
general rule that CEQA only applies to "projects" that may have a significant effect on
the environment. The proposed ordinance would amend the Municipal Code related to
building standards necessary to protect health and safety. In this case, it can be seen
414
Ordinance No.
Page 3
with certainty that there is no possibility that the proposed Ordinance may have a
significant impact on the environment.
NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF MOORPARK,
CALIFORNIA, DOES ORDAIN AS FOLLOWS:
SECTION 1. ENVIRONMENTAL DETERMINATION: The City Council has
reviewed the Community Development Director's determination that this ordinance with
proposed amendments to Title 15 of the Moorpark Municipal Code is exempt from the
provisions of the California Environmental Quality Act pursuant to Section 15061(b)(3)
of the California Code of Regulations (CEQA Guidelines) by the general rule that
CEQA only applies to "projects" that may have a significant effect on the environment.
The proposed ordinance would amend the Municipal Code related to building
standards necessary to protect health and safety. In this case, it can be seen with
certainty that there is no possibility that the proposed Ordinance may have a significant
impact on the environment. The City Council, based on its own independent judgment,
concurs with staffs determination of Exemption.
SECTION 2. Chapters 15.04 (Administrative Provisions), 15.08 (Building Code),
15.10 (California Green Building Standards Code), 15.12 (Electrical Code), 15.14
(Plumbing Code), 15.16 (Mechanical Code), 15.18 (Housing Code), 15.20 (California
Energy Code), and 15.22 (California Residential Code) of Title 15 (Buildings and
Construction) of the Moorpark Municipal Code are replaced in their entirety as shown
in Exhibit A.
SECTION 3. AMENDMENTS NECESSARY. Pursuant to Section 17958.7 of
the Health and Safety Code of the State of California, the City Council of the City of
Moorpark hereby finds that each amendment to the 2013 Editions of the California
Building Code, the California Residential Code and the Green Building Standards
Code made by this Ordinance is reasonably necessary due to local climatic,
geological and topographical conditions as follows:
Local Climatic Conditions — The local climate is characterized by periods of high
temperatures accompanied by low humidity and high winds each year. These
conditions could create an environment in which the fire department may have great
difficulty in controlling fires occurring in hillside brush areas as well as structures not
having built-in fire protection. The City also experiences periods of intense rainfall,
which create the need for special drainage precautions.
Local Geological Conditions — The Moorpark/Ventura County region is a populated
area having buildings constructed over and near fault systems capable of producing
major earthquakes. The City is located in an area with expansive soils and areas
subject to flood hazards including hillsides that are subject to mud flows and unstable
soils. These conditions require that special foundation considerations and soils
analysis requirements must be in place to provide a reasonable degree of structural
integrity for buildings to prevent injury to building occupants, neighbors, and persons
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Ordinance No.
Page 4
using public property.
Local Topographical Conditions — The City contains and is located near hillside brush
areas, so special fire resistive requirements are required in order to reduce fire damage
and fire spread during periods of high temperatures and low humidity. This requires
special construction elements for structures in the City to reduce the threat of fire
damage and fire spread during periods of high temperatures and low humidity.
These local climatic, geological and topographical conditions require specific and
greater protection than is afforded by the 2013 Editions of the California Building Code,
the California Residential Code and the California Green Building Standards Code.
SECTION 4. If any section, subsection, sentence, clause, phrase, part or
portion of this Ordinance is for any reason held to be invalid or unconstitutional by any
court of competent jurisdiction, such decision shall not affect the validity of the remaining
portions of this Ordinance. The City Council declares that it would have adopted this
Ordinance and each section, subsection, sentence, clause, phrase, part or portion
thereof, irrespective of the fact that any one or more section, subsections, sentences,
clauses, phrases, parts or portions be declared invalid or unconstitutional.
SECTION 5. This Ordinance shall become effective on January 1, 2014.
SECTION 6. The City Clerk shall certify to the passage and adoption of this
ordinance; shall enter the same in the book of original ordinances of said City; shall make
a minute of the passage and adoption thereof in the records of the proceedings of the City
Council at which the same is passed and adopted; and shall publish notice of adoption in
the manner required by law.
PASSED AND ADOPTED this day of , 2013.
Janice S. Parvin, Mayor
ATTEST:
Maureen Benson, City Clerk
Exhibit A: Chapters 15.04, 15.08, 15.10, 15.12, 15.14, 15.16, 15.18, 15.20, and 15.22
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Ordinance No.
Page 5
EXHIBIT A
Chapters 15.04, 15.08, 15.10, 15.12, 15.14, 15.16, 15.18, 15.20, and 15.22 of Title 15
of the Moorpark Municipal Code are replaced in their entirety as follows:
CHAPTER 15.04
ADMINISTRATIVE PROVISIONS
Sections:
15.04.010 Administrative Code adopted.
15.04.020 Gas Code.
15.04.030 Mechanical Code.
15.04.040 Plumbing Code.
15.04.050 Fire prevention.
15.04.060 Liability.
15.04.070 Expiration.
15.04.080 Permit fees.
15.04.090 Plan review fees.
15.04.100 Disaster response.
15.04.110 Violations and penalties.
15.04.120 Safety assessment placards.
15.04.010 Administrative Code Adopted.
Except as hereinafter provided, Chapter 1 of the California Building Code, 2013
Edition published by the International Code Council, is hereby adopted by reference as
the Administrative Code of the city of Moorpark. A copy of the California Building Code,
2013 Edition, Chapter 1 shall be maintained in the office of the building official of the
city of Moorpark and shall be made available for public inspection while this code is in
force.
15.04.020 Gas Code.
Section 101.4.1 of the California Building Code is replaced in its entirety to read:
101.4.1 Gas. The provisions of the California Plumbing Code shall apply to the
installation of gas piping from the point of delivery, gas appliances, and related
accessories as covered by this code. These requirements apply to gas piping
systems extending from the point of delivery to the inlet connections of
appliances and the installation and operation of residential and commercial gas
appliances and related accessories.
15.04.030 Mechanical Code.
Section 101.4.2 of the California Building Code is replaced in its entirety to read:
101.4.2 Mechanical. The provisions of the California Mechanical Code shall
apply to the installation, alterations, repairs, and replacement of mechanical
systems, including equipment, appliances, fixtures, fittings, and/or
appurtenances, including ventilation, heating, cooling, air-conditioning and
refrigeration systems, incinerators and other energy related systems.
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Ordinance No.
Page 6
15.04.040 Plumbing Code.
Section 101.4.3 of the California Building Code is replaced in its entirety to read:
101.4.3 Plumbing. The provisions on the California Plumbing Code shall apply
to the installation, alteration, repair and replacement of plumbing systems,
including equipment, appliances, fixtures, fittings and appurtenances, and where
connected to a water or sewage system and all aspects of a medical gas
system.
15.04.050 Fire prevention.
Section 101.4.5 of the California Building Code is replaced in its entirety to read:
101.4.5 Fire Prevention. The provisions of the Ventura County Fire Code shall
apply to matters affecting or relating to structures, processes and premises from
the hazard of fire and explosion arising from the storage, handling or use of
structures, materials or devices; from conditions hazardous to life, property or
public welfare in the occupancy of structures or premises; and from the
construction, extension, repair, alteration or removal of fire suppression and
alarm systems or fire hazards in the structure or on the premises from
occupancy or operation.
15.04.060 Liability.
Section 104.8 of the California Building Code is replaced in its entirety to read:
104.8 Liability. Except as otherwise provided in any contract with the city, the
building official, or the authorized representative of the building official charged
with the enforcement of this code and the technical codes, acting in good faith
and without malice in the discharge of his duties, shall not thereby be rendered
personally liable for any damage that may accrue to persons or property as a
result of any act or by reason of any act or omission in the discharge of these
duties. Any suit brought against the building official, agent or employee
because of such act or omission performed by the building official, agent or
employee in the enforcement of any provision of such codes or other pertinent
laws or ordinances implemented through the enforcement of this code or
enforced by the code enforcement agency shall be defended by this jurisdiction
until final termination of such proceedings, and any judgment resulting there
from shall be assumed by this jurisdiction.
The provisions of this section shall apply if the building official or his authorized
representatives are employees of this jurisdiction and shall also apply if the
building official or his authorized representatives are acting under contract as
agents of the jurisdiction.
Such codes shall not be construed to relieve from or lessen the responsibility of
any person owning, operating or controlling any building, structure or building
service equipment therein for any damages to persons or property caused by
418
Ordinance No.
Page 7
defects, nor shall the code enforcement agency or its parent jurisdiction be held
as assuming any such liability by reason of the inspection authorized by this
code or any permits or certificates issued under this code.
15.04.070 Expiration.
Section 105.5 of the California Building Code is replaced in its entirety to read:
105.5 Expiration. Every permit issued shall become invalid unless work on the
site authorized by such permit is commenced within 180 days after its issuance,
or if the work authorized on the site by such permit is suspended or abandoned
for a period of 180 days after the time the work is commenced. Before such
work can be recommenced, a new permit shall be first obtained to do so, and
the fee therefore shall be one-half the amount required for a new permit for such
work, provided no changes have been made or will be made in the original plans
and specifications for such work, and provided further that such suspension or
abandonment has not exceeded one year. In order to renew action on a permit
after expiration, a new full permit fee shall be paid.
The building official is authorized to grant, in writing, and extension of time for a
period of not more that 180 days. The extension shall be requested in writing
and justifiable cause shall be demonstrated.
15.04.080 Permit fees.
Section 109.3 of the California Building Code is replaced in its entirety to read:
109.3 Permit Fees. The fee for each permit shall be as set forth in the latest
resolution of the city council of the city of Moorpark relating to permit fees.
15.04.090 Plan review fees.
The following language is added to the city's adoption of the California Building
Code at the location indicated by the section number below.
109.7 Plan Review Fees. When a plan or other data is required to be submitted
by Section 107 of the California Building Code, a plan review fee shall be paid at
the time of submitting plans and specifications for review. The plan review fee
shall be as set forth in the latest resolution of the City Council of the City of
Moorpark relating to plan review fees.
The plan review fees specified in this subsection are separate fees from the
permit fees specified in Section 109.3 of the California Building Code and are in
addition to the permit fees. Where plans are incomplete or changed so as to
require additional plan review, an additional plan review fee shall be charged at
the same rate as charged upon submittal of plans and specifications.
419
Ordinance No.
Page 8
15.04.100 Disaster response.
The city manager may enter into mutual aid agreements for emergency building
and safety services for the purpose of assuring adequate and effective response in the
event of earthquake or other unforeseen emergencies.
15.04.110 Violations and penalties.
A. It shall be unlawful for any person, firm, or corporation to erect, construct,
enlarge, alter, repair, move, improve, remove, convert or demolish, equip, use, occupy,
or maintain any land, building or structure, building service equipment, machine or
equipment; or cause or permit the same to be done in violation of this code or the
technical codes. Each such person shall be deemed guilty of a separate offense for
each and every day or portion thereof during which any violation of any of the
provisions of this code or the technical codes is committed, continued, or permitted.
B. It shall be unlawful for any person to remove, deface, alter, or obstruct from
view a posted notice of the building official or duly appointed representative when such
notice constitutes a stop work order or a warning of substandard or hazardous
conditions or prohibits or restricts the occupancy or use of a building, structure, or
building service equipment regulated by this code or the technical codes.
C. Every violation of this code or the technical codes shall be deemed a
misdemeanor.
D. Any person convicted of a misdemeanor shall be punishable by a fine of not
more than one thousand dollars ($1,000.00) or by imprisonment for not more than six
(6) months or by both such fine and imprisonment.
15.04.120 Safety assessment placards.
A. This section establishes standard placards to be used to indicate the
condition of a structure for continued occupancy. This section further authorizes the
building official and his or her authorized representatives to post the appropriate
placard at each entry point to a building or structure upon completion of a safety
assessment.
B. The provisions of this section are applicable to all buildings and structures of
all occupancies regulated by the city of Moorpark. The city council may extend the
provisions as necessary.
C. Safety assessment is a visual, non-destructive examination of a building or
structure for the purpose of determining the condition for continued occupancy.
D. The following are verbal descriptions of the official jurisdiction placards to be
used to designate the condition for continued occupancy of buildings or structures.
1. INSPECTED-Lawful Occupancy Permitted is to be posted on any building
or structure wherein no apparent structural hazard has been found. This placard is not
intended to mean that there is no damage to the building or structure.
2. RESTRICTED USE is to be posted on each building or structure that has
been damaged wherein the damage has resulted in some form of restriction to the
continued occupancy. The individual who posts this placard will note in general terms
the type of damage encountered and will clearly and concisely note the restriction on
continued occupancy.
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Ordinance No.
Page 9
3. UNSAFE-Do Not Enter or Occupy is to be posted on each building or
structure that has been damaged such that continued occupancy poses a threat to life
safety. Building or structures posted with this placard shall not be entered under any
circumstances except as authorized in writing by the building official, or his or her
authorized representative. Safety assessment teams shall be authorized to enter these
buildings at any time. This placard is not to be used or considered as a demolition
order. The individual who posts this placard will note in general terms the type of
damage encountered.
E. The ordinance number of the ordinance codifying this chapter, the name of
the jurisdiction, its address, and telephone number shall be permanently affixed to
each placard.
F. Once it has been attached to a building or structure, a placard is not to be
removed, altered or covered until done so by the building official or an authorized
representative of the building official. It shall be unlawful for any person, firm, or
corporation to alter, remove, cover or deface a placard unless authorized pursuant to
this section.
CHAPTER 15.08
BUILDING CODE
Sections:
15.08.010 Building Code adopted.
15.08.020 Grading enforcement by city engineer.
15.08.030 Foundation design.
15.08.040 Table 1809.7 amended.
15.08.050 Swimming pools.
15.08.060 Fire hazard zone requirements.
15.08.010 Building Code adopted.
Except as hereinafter provided, the California Building Code, 2013 Edition,
Volumes 1 and 2, with Appendices C, F, H, I and J; California Residential Code, 2013
Edition, with Appendices E, G and H; California Referenced Standards, 2013 Edition;
California Electrical Code, 2013 Edition; California Plumbing Code, 2013 Edition;
California Mechanical Code, 2013 Edition; California Energy Code, 2013 Edition;
California Green Building Standards Code, 2013 Edition; California Administrative
Code, 2013 Edition; International Property Maintenance Code, 2012 Edition and the
Gypsum Association Fire Resistance Design Manual, Twentieth Edition, together with
amendments thereto, are hereby collectively adopted by reference as the Building
Code of the city of Moorpark. Copies of the 2013 Editions of the California Building,
Residential, Referenced Standards, Electrical, Plumbing, Mechanical, Energy, Green
Building Standards and Administrative Codes, the 2012 Edition of the International
Property Maintenance Code and the Twentieth Edition of the Fire Resistance Design
Manual shall be maintained in the office of the building official of the city of Moorpark,
and shall be made available for public inspection while this code is in force.
421
Ordinance No.
Page 10
15.08.020 Grading enforcement by city engineer.
The definition of building official contained in Section 202 of the California
Building Code is replaced in its entirety to read:
202 Building Official. The officer or other designated authority, or a duly
authorized representative charged with the administration and enforcement of
this Code, except Appendix J. The authority designated to enforce Appendix J
shall be the City Engineer.
15.08.030 Foundation design.
The following language is added to the city's adoption of the California Building
Code at the location indicated by the section number below:
1808.6.5. When buildings are located on expansive soil having an expansion
index greater than 50, gutters, downspouts, piping, and/or other non-erosive
devices shall be provided to collect and conduct rain water to pervious areas
such as yards, open channels, or vegetated areas. Routing rooftop runoff
through yard drains to the roadway or the storm water conveyance system shall
not be permitted.
15.08.040 Table 1809.7 amended.
Table 1809.7 of the California Building Code is hereby replaced in its entirety to
read:
422
Ordinance No.
Page 11
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Page 12
Footnotes to Table 1809.7
1. Pre-moistening is required where specified in Table CBC 1809.7 in order to achieve
maximum and uniform expansion of the soil prior to construction and thus limit
structural distress caused by uneven expansion and shrinkage. Other systems,
which do not include pre-moistening, may be approved by the Building Official,
when such alternatives are shown to provide equivalent safeguards against the
adverse effects of expansive soil.
2. Under-floor access crawl holes shall be provided with curbs extending not less than
six (6) inches above adjacent grade to prevent surface water from entering the
foundation area.
3. Reinforcement for continuous foundations shall be placed not less than three (3)
inches above the bottom of the footing and not less than three (3) inches below the
top of the stem.
4. Slab reinforcement shall be placed at mid-depth and continue to within two (2)
inches of the exterior face of the exterior face of the exterior footing walls.
5. Moisture content of soils shall be maintained until foundations and piers are poured
and a vapor barrier is installed. Test shall be taken within twenty-four (24) hours of
each slab pour.
6. Crawl spaces under raised floors need not be pre-moistened except under interior
footings. Interior footings which are not enclosed by a continuous perimeter
foundation system or equivalent concrete or masonry moisture barrier shall be
designed and constructed as specified for perimeter footings in Table CBC 1809.7.
7. A grade beam not less than twelve (12) inches by twelve (12) inches in cross-
sectional area, reinforced as specified for continuous foundations in Table CBC
1809.7, shall be provided at garage door openings.
8. Foundation stem walls which exceed a height of three (3) times the stem thickness
above lowest adjacent grade shall be reinforced in accordance with Sections 18
and 19 in the CBC, or as required by engineering design, whichever is more
restrictive.
9. Footing widths may be reduced upon submittal of calculations by a registered civil
or structural engineer or licensed architect, but shall be a minimum of twelve (12)
inches for one and two-story structures and fifteen (15) inches for three-story
structures.
10.Bent reinforcing bar between exterior footing and slab shall be omitted when floor is
designed as an independent, "floating" slab.
11.Fireplace footings shall be reinforced with a horizontal grid located three (3) inches
above the bottom of the footing and consisting of not less than No. 4 bars at twelve
(12) inches on center each way. Vertical chimney reinforcing bars shall be hooked
under the grid.
12.Underground utility conduits shall be installed prior to foundation inspection and
shall extend beyond the foundation.
424
Ordinance No.
Page 13
15.08.050 Swimming pools.
A. The following language is added to the City's adoption of the California
Building Code at the location indicated by the section numbers below.
3109.7 Pool Design and Construction.
3109.7.1 General. Pool design and construction shall be in accordance with
accepted engineering practice, shall be in conformity with applicable provisions
of the adopted building, electrical, plumbing, and mechanical codes, and shall
be structurally suitable for the soil, topographic, and geologic conditions
prevailing at the construction site.
3109.7.2 Expansive Soil Design. Pools constructed at grade shall be designed
on the assumption that their construction is to be in an area of moderately
expansive soil having an expansion index of 51-90 and an equivalent fluid
pressure of not less than forty-five (45) pounds per cubic foot (45 p.c.f.).
Exception: Where tests indicate that soils at a pool site are non-expansive or
have low expansion characteristics from the ground surface to the full depth of
the pool, structural design may be based on an equivalent fluid pressures not
less than 30 p.c.f.
In highly expansive soils having an expansion index of 91-130, pools shall be
designed for not less than 60 p.c.f. equivalent fluid pressure. In very highly
expansive soils having an expansion index over one hundred thirty (130), pool
design shall be subject to special requirements based on a site investigation,
soil testing, and engineering analysis by a registered civil engineer to determine
appropriate design parameters for the site.
3109.7.3 Hydrostatic Uplift. In areas of anticipated high water table, an approved
hydrostatic relief system or device shall be installed.
3109.7.4 Thermal Protection for Plastic Piping. Between the inlet of pool water
heating equipment and any plastic water piping connected thereto, a check
valve shall be installed to prevent thermal damage to such piping due to
backflow. Exception: When rapid or high-rate filters are employed, a check valve
may be omitted.
Between the outlet of pool heating equipment and any plastic water piping
connected thereto, not less than five (5) feet of approved metal pipe shall be
installed for the purpose of dissipating heat.
3109.7.5 Safeguarding Suction Drains. Bottom drains and suction intakes in
pools and spas shall be covered with grated or other protective devices which
cannot be removed except with tools. The slots or openings in these covers
shall be of such area, shape, and arrangement as to prevent bathers from being
drawn thereto with such force as to constitute a safety hazard.
425
Ordinance No.
Page 14
3109.7.6 Grab Bars. Wherever egress from a pool by bathers is restricted by
the presence of a vertical wall or other barrier which extends more than twelve
(12) inches above the water at the pool's edge, permanent handrail, grab bars,
or equivalent device (s) shall be installed within twelve (12) inches of the water
surface, capable of being securely grasped and adequate to support the weight
of a user of the pool.
3109.7.7 Decks
3109.7.7.1 General. A deck shall be provided around below-grade swimming
pools except when special engineering design is furnished which indicates that
such deck is not necessary for the purpose of maintaining the structural integrity
of the pool and/or for controlling surface water and moisture content in the soil
adjacent to the pool. Decks shall not be required for spas and hot tubs.
3109.7.7.2 Deck Design and Construction. Required decks shall be constructed
of concrete or other approved impervious material and shall be sloped to
provide positive drainage away from the perimeter of the pool. Except as
provided below, decks shall have a minimum width of four (4) feet and shall be
at least 3-1/2 inches in thickness. Reinforcement shall be #3 bars spaced not
over twenty-four (24) inches o.c. each way, or equivalent reinforcing.
Approved joints shall be provided in the deck at corners, at maximum 10-foot
intervals, and wherever necessary in order to control cracking, to allow for
differential movement and to minimize damage to the deck from such movement
should it occur. Joints in decks and coping shall be made watertight with an
approved permanent resilient sealant.
3109.7.7.3 Cutoff Walls. At the outer perimeter of pool decks a cutoff wall of
approved material shall be installed below-grade to a depth of at least fifteen
(15) inches so as to form a permanent and effective vertical moisture barrier.
Exception:
1. A cutoff wall may be omitted when a deck at least six (6) feet wide is
installed.
2. Decks less than four (4) feet in width may be installed provided that the
required cutoff wall is increased in depth beyond the minimum by an amount
directly proportional to the reduction in deck width.
3109.7.7.4 Pre-Saturation, Highly Expansive Soils. When the soil below a deck
has an expansion index of ninety-one (91) or greater it shall be saturated with
water to a depth of at least eighteen (18) inches prior to installation of the deck.
426
Ordinance No.
Page 15
3109.7.7.5 Surface Water. Surface water from pool decks shall be collected
and conducted through non-erosive devices to a street, storm drain, or other
approved watercourse or disposal area.
3109.7.7.6 Wastewater. Pool waste shall be disposed of in accordance with the
requirements of the Health Officer.
3109.7.7.7 Drywells. Drywells shall not be employed for pool wastewater
disposal except when specifically approved for the purpose and when it has
been determined that such installation is not likely to have adverse effects on
the structural stability of the pool or other structures on the site. The Building
Official may require a percolation test, soils report, and/or geological report to
make such a determination.
3109.7.7.8 Special Inspection. Special inspection as required by Section 1701
in the UBC shall be provided for pneumatically placed concrete (gunite) in
swimming pools.
B. The following language is added to the City's adoption of Appendix G of the
California Residential Code at the location indicated by the section numbers below.
AG 100.10 Pool Design and Construction.
AG 100.10.1 General. Pool design and construction shall be in accordance with
accepted engineering practice, shall be in conformity with applicable provisions
of the adopted building, electrical, plumbing, and mechanical codes, and shall
be structurally suitable for the soil, topographic, and geologic conditions
prevailing at the construction site.
AG 100.10.2 Expansive Soil Design. Pools constructed at grade shall be
designed on the assumption that their construction is to be in an area of
moderately expansive soil having an expansion index of 51-90 and an
equivalent fluid pressure of not less than forty-five (45) pounds per cubic foot
(45 p.c.f.). Exception: Where tests indicate that soils at a pool site are non-
expansive or have low expansion characteristics from the ground surface to the
full depth of the pool, structural design may be based on an equivalent fluid
pressures not less than 30 p.c.f.
In highly expansive soils having an expansion index of 91-130, pools shall be
designed for not less than 60 p.c.f. equivalent fluid pressure. In very highly
expansive soils having an expansion index over one hundred thirty (130), pool
design shall be subject to special requirements based on a site investigation,
soil testing, and engineering analysis by a registered civil engineer to determine
appropriate design parameters for the site.
AG 100.10.3 Hydrostatic Uplift. In areas of anticipated high water table, an
approved hydrostatic relief system or device shall be installed.
427
Ordinance No.
Page 16
AG 100.10.4 Thermal Protection for Plastic Piping. Between the inlet of pool
water heating equipment and any plastic water piping connected thereto, a
check valve shall be installed to prevent thermal damage to such piping due to
backflow. Exception: When rapid or high-rate filters are employed, a check valve
may be omitted.
Between the outlet of pool heating equipment and any plastic water piping
connected thereto, not less than five (5) feet of approved metal pipe shall be
installed for the purpose of dissipating heat.
AG 100.10.5 Safeguarding Suction Drains. Bottom drains and suction intakes in
pools and spas shall be covered with grated or other protective devices which
cannot be removed except with tools. The slots or openings in these covers
shall be of such area, shape, and arrangement as to prevent bathers from being
drawn thereto with such force as to constitute a safety hazard.
AG 100.10.6 Grab Bars. Wherever egress from a pool by bathers is restricted
by the presence of a vertical wall or other barrier which extends more than
twelve (12) inches above the water at the pool's edge, permanent handrail, grab
bars, or equivalent device (s) shall be installed within twelve (12) inches of the
water surface, capable of being securely grasped and adequate to support the
weight of a user of the pool.
AG 100.10.7 Decks
AG 100.10.7.1 General. A deck shall be provided around below-grade
swimming pools except when special engineering design is furnished which
indicates that such deck is not necessary for the purpose of maintaining the
structural integrity of the pool and/or for controlling surface water and moisture
content in the soil adjacent to the pool. Decks shall not be required for spas and
hot tubs.
AG 100.10.7.2 Deck Design and Construction. Required decks shall be
constructed of concrete or other approved impervious material and shall be
sloped to provide positive drainage away from the perimeter of the pool. Except
as provided below, decks shall have a minimum width of four (4) feet and shall
be at least 3-1/2 inches in thickness. Reinforcement shall be #3 bars spaced
not over twenty-four (24) inches o.c. each way, or equivalent reinforcing,
Approved joints shall be provided in the deck at corners, at maximum 10-foot
intervals, and wherever necessary in order to control cracking, to allow for
differential movement and to minimize damage to the deck from such movement
should it occur. Joints in decks and coping shall be made watertight with an
approved permanent resilient sealant.
428
Ordinance No.
Page 17
AG 100.10.7.3 Cutoff Walls. At the outer perimeter of pool decks a cutoff wall of
approved material shall be installed below-grade to a depth of at least fifteen
(15) inches so as to form a permanent and effective vertical moisture barrier.
Exception:
1. A cutoff wall may be omitted when a deck at least six (6) feet wide is
installed.
2. Decks less than four (4) feet in width may be installed provided that the
required cutoff wall is increased in depth beyond the minimum by an amount
directly proportional to the reduction in deck width.
AG 100.10.7.4 Pre-Saturation, Highly Expansive Soils. When the soil below a
deck has an expansion index of ninety-one (91) or greater it shall be saturated
with water to a depth of at least eighteen (18) inches prior to installation of the
deck.
AG 100.10.7.5 Surface Water. Surface water from pool decks shall be collected
and conducted through non-erosive devices to a street, storm drain, or other
approved watercourse or disposal area.
AG 100.10.7.6 Wastewater. Pool waste shall be disposed of in accordance with
the requirements of the Health Officer.
AG 100.10.7.7 Drywells. Drywells shall not be employed for pool wastewater
disposal except when specifically approved for the purpose and when it has
been determined that such installation is not likely to have adverse effects on
the structural stability of the pool or other structures on the site. The building
official may require a percolation test, soils report, and/or geological report to
make such a determination.
AG 100.10.7.8 Special Inspection. Special inspection as required by Section
1701 in the UBC shall be provided for pneumatically placed concrete (gunite) in
swimming pools.
15.08.060 Fire hazard zone requirements.
The following language is added to the City's adoption of the California Building
Code at the location indicated by the chapter and section numbers below.
Chapter 36
Fire Hazard Zone Requirements
3601. High Fire Hazard Area Defined. For the purpose of this code, certain
locations within the incorporated areas of the city of Moorpark shall be classified
as High Fire Hazard by the Ventura County Fire Protection District. The High
429
Ordinance No.
Page 18
Fire Hazard Area is defined as any area within 500 feet of uncultivated brush,
grass, or forest-covered land wherein an authorized representative of said
district determines that a potential fire hazard exists due to the presence of such
flammable growth.
3602. Construction Requirement in High Fire Hazard Areas. The purpose of this
section is to provide a minimum standard for the fire protection of buildings and
structures hereafter erected in proximity to areas of the city where
concentrations of highly flammable brush, grass, or other combustible growth
combined with periods of hot, dry winds create a high fire hazard and where
lives and property may thereby be endangered.
Buildings or structures hereafter erected, constructed or moved within or into
designated High Fire Hazard Areas shall be one of the Types of Construction as
defined in this code and shall meet the requirements of this section. Although
their installation is encouraged, neither manual nor automatic fire extinguishing
systems or similar water spraying devices may be substituted for the fire
protection set forth herein.
3602.1 Roofs. Roof coverings shall be class A, or B as specified in Section
1505 of the California Building Code, except that no wooden shakes or shingles,
treated or untreated, shall be permitted.
3602.2 Exterior Walls. Fire-resistive protection of exterior walls and openings,
as determined by location and property, shall be as required by Section 704 in
the California Building Code. Exception: No exterior wall covering of a building
shall provide less fire resistance than that afforded by: 7/8-inch exterior cement
plaster; 1-inch nominal thickness solid wood siding; 1/2-inch textured plywood
siding having a groove depth of 1/8-inch or less; 7/16-inch hardwood siding 5/8-
inch particle board, exterior type 2-M; or 5/8-inch exterior plywood, Texture III,
having a groove depth of 1/4-inch or less. Fire-retardant treated or untreated
wood shingle or shake siding shall not be permitted.
3602.3 Underfloor Areas. Where under floor areas are not enclosed by fire-
resistive construction conforming to the requirements of Section 3602.2 above,
the underside of the floor system shall be fire-protected as set forth in Section
3602.4.
3602.4 Projections and Other Building Elements Exposed to Fire. Architectural
projections such as roof overhangs and offsets, balconies and decks, and other
elements of buildings which have combustible structural elements in the
horizontal plane, shall be protected with materials approved for 1-hour fire-
resistive construction on the lower, fire-exposed side and shall have 1-hour fire-
resistive supporting columns unless the details of construction conform to those
for heavy timber as described in Section 602.4 in the California Building Code.
430
Ordinance No.
Page 19
Exceptions:
1. Combustible structural members in horizontal projections may be unprotected
timbers of size four (4) x six (6) inch or larger when used as rafters or as stair,
balcony, or deck supports or for similar purposes.
2. Heavy timber roof decking at eaves and rakes may be unprotected provided a
fascia of not less than 2-inch nominal thickness and not less in depth than the
cut end of the rafter is installed at the roofs edge.
3. Patios, carports, arbors and open latticework sunshades may be constructed
of any materials allowed by this code.
4. Balconies and decks thirty (30) inches or more above grade may have
flooring of not less than 2-inch nominal thickness lumber or material of
equivalent fire resistance. Such flooring may be spaced not more than 1/4 inch
apart and need not be fire protected on the underside.
5. Balconies and decks less than thirty (30) inches above grade shall be solidly
floored without gaps and shall be fire-protected on the underside as required by
this section. In lieu of fire protection, such balconies and decks may be enclosed
from floor surface to grade in the manner prescribed for exterior walls in Section
3602.2.
6. Combustible exterior columns directly supporting roofs, stairs, balconies, and
decks may be size four (4) x four (4) inch or larger. Columns and beams
supporting interior floor loads may be size six (6) x six (6) inch or larger.
3602.5 Ventilation Openings. Attic or foundation ventilation openings or louvers
shall not be located at or immediately below, eaves, or rakes, offsets or
balconies, or similar exterior overhangs which may be directly exposed to a fire
in adjacent hazardous grass or brush areas.
3603. Waiver of Requirements. The building official may waive the requirements
of California Building Code Sections 3601 through 3602.5 above, in whole or in
part, for specific construction projects within the High Fire Hazard Area when
such waiver is approved by an authorized representative of the Ventura County
Fire Protection District, based upon site conditions which justify a reduction in
fire resistance.
431
Ordinance No.
Page 20
CHAPTER 15.10
CALIFORNIA GREEN BUILDING STANDARDS CODE
Sections:
15.10.010 California Green Building Standards Code adopted.
15.10.020 Section 4.408 deleted.
15.10.030 Section 5.408 deleted.
15.10.040 Permit fees.
15.10.050 Plan review fees.
15.10.060 Construction demolition material management.
15.10.010 California Green Building Standards Code adopted.
Except as hereinafter provided, the California Green Building Standards Code,
2013 Edition, published by the International Code Council, is hereby adopted by
reference as the Green Building Code of the city of Moorpark. A copy of the California
Green Building Standards Code, 2013 Edition, shall be maintained in the office of the
building official of the city of Moorpark and shall be made available for public inspection
while this code is in force.
15.10.020 Section 4.408 deleted.
Section 4.408 Construction Waste Reduction, Disposal and Recycling
Residential is hereby deleted.
15.10.030 Section 5.408 deleted.
Section 5.408 Construction Waste Reduction, Disposal and Recycling Non-
Residential, is hereby deleted.
15.10.040 Permit fees.
The following language is added to the city's adoption of the California Green
Building Standards Code at the location indicated by the section number below.
101.12. A fee as set forth in the latest resolution of the city council of the city of
Moorpark shall be assessed to verify compliance with the mandatory measures
of the California Green Building Standards Code.
15.10.050 Plan review fees.
The following language is added to the city's adoption of the California Green
Building Standards Code at the location indicated by the section number below.
101.13. Plan Review Fee. When a plan or other data is required to be submitted
by Section 102, a plan review fee shall be paid at the time of submitting plans
and specifications for review. The plan review fee shall be as set forth in the
latest resolution of the city council of the city of Moorpark relating to plan review
fees.
432
Ordinance No.
Page 21
15.10.060 Construction demolition material management.
The provisions of Chapter 8.36 of Title 8 of the Moorpark Municipal Code shall
apply to the construction waste reduction, disposal and recycling of residential and
non-residential construction material.
CHAPTER 15.12
ELECTRICAL CODE
Sections:
15.12.010 Electrical Code adopted.
15.12.010 Electrical Code adopted.
Except as hereinafter provided, the California Electrical Code, 2013 Edition,
published by the International Code Council, is hereby adopted by reference as the
Electrical Code of the city of Moorpark. A copy of the California Electrical Code, 2013
Edition, shall be maintained in the office of the building official of the city of Moorpark
and shall be made available for public inspection while this code is in force.
CHAPTER 15.14
PLUMBING CODE
Sections:
15.14.010 Plumbing Code adopted.
15.14.010 Plumbing Code adopted.
Except as hereinafter provided, the California Plumbing Code, 2013 Edition,
published by the International Code Council, is hereby adopted by reference as the
Plumbing Code of the city of Moorpark. A copy of the California Plumbing Code, 2013
Edition, shall be maintained in the office of the building official of the city of Moorpark
and shall be made available for public inspection while this code is in force.
CHAPTER 15.16
MECHANICAL CODE
Sections:
15.16.010 Mechanical Code adopted.
15.16.010 Mechanical Code adopted.
Except as hereinafter provided, the California Mechanical Code, 2013 Edition,
published by the International Code Council, is hereby adopted by reference as the
Mechanical Code of the city of Moorpark. A copy of the California Mechanical Code,
2013 Edition, shall be maintained in the office of the building official of the city of
Moorpark and shall be made available for public inspection while this code is in force.
433
Ordinance No.
Page 22
CHAPTER 15.18
HOUSING CODE
Sections:
15.18.010 Housing Code.
15.18.020 Substandard buildings.
15.18.010 Housing Code.
Except as hereinafter provided the International Property Maintenance Code,
2012 Edition, published by the International Code Council, is hereby adopted as the
Housing Code of the city of Moorpark. A copy of the International Property
Maintenance Code, 2012 Edition, shall be maintained in the office of the building
official of the city of Moorpark and shall be made available for public inspection while
this code is in force.
15.18.020 Substandard buildings.
Section 108.1 of the International Property Maintenance Code is amended to
tread as set forth in Section 17920.3 of the Health and Safety Code of the State of
California. A copy of Section 17920.3 of the Health and Safety Code of the State of
California shall be maintained in the office of the Building Official of the City of
Moorpark and shall be made available for public inspection while this Code is in force.
CHAPTER 15.20
CALIFORNIA ENERGY CODE
Sections:
15.20.010 Energy Code adopted.
15.20.010 Energy Code adopted.
Except as hereinafter provided the California Energy Code, 2013 Edition,
published by the International Code Council, is hereby adopted by reference as the
Energy Code of the city of Moorpark. A copy of the California Energy Code, 2013
Edition, shall be maintained in the office of the building official of the city of Moorpark
and shall be made available for public inspection while this code is in force.
434
Ordinance No.
Page 23
CHAPTER 15.22
CALIFORNIA RESIDENTIAL CODE
Sections:
15.22.010 Residential Code adopted.
15.22.020 General.
15.22.030 Footings.
15.22.040 Table R430.1 amended.
15.22.050 Foundations design.
15.22.060 Lateral support.
15.22.070 Wood truss design.
15.22.080 Roofing.
15.22.010 Residential Code adopted.
Except as hereinafter provided, the California Residential Code, 2013 Edition,
with Appendices E, G and H, published by the International Code Council, is hereby
adopted by reference as the Residential Code of the city of Moorpark. A copy of the
California Residential Code, 2013 Edition, shall be maintained in the office of the
building official of the city of Moorpark and shall be made available for public inspection
while this code is in force.
15.22.020 General.
Section R401.1 of the California Residential Code is replaced in its entirety to
read:
R401.1. Application. The provisions of this chapter shall control the design and
construction of the foundation and foundation spaces for all buildings. In addition
to the provisions of this chapter, the design and construction of foundations in
areas prone to flooding as established by Table R301.2(1) shall meet the
provisions of Section R322. Wood foundations shall be designed and installed in
accordance with AF&PA PWF.
Exception: The provisions of this chapter shall be permitted to be used for wood
foundations only in the following situations:
1. In buildings that have no more than two (2) floors and a roof.
2. When interior basement and foundation walls are constructed at intervals not
exceeding fifty (50) feet.
Wood foundations in Seismic Design Category Do, Di, D2 or E shall not be
permitted.
115.22.030 Footings.
Sections R403.1.2, R403.1.3, R403.1.5 of the California Residential Code is
replaced in its entirety to read:
435
Ordinance No.
Page 24
R403.1.2 Continuous footing in Seismic Design Categories Do, Di, D2 and E.
The braced wall panels at exterior walls of buildings located in Seismic Design
Categories Do, Di, D2 and E shall be supported by continuous footings. All
required braced wall panels in buildings shall be supported by continuous
footings.
R403.1.3 Seismic reinforcing. Concrete footings located in Seismic Design
Categories Do, Di, D2 and E as established in Table R301.2(1), shall have
minimum reinforcement. Bottom reinforcement shall be located a minimum of
three (3) inches clear from the bottom of the footing.
In Seismic Design Categories Do, Di, D2 and E where construction joint is
created between a concrete footing and a stem wall, a minimum of one (1) No. 4
bar shall be installed at not more than four (4) feet on center. The vertical bar
shall extend three (3) inches clear of the bottom of the footing, have a standard
hook and extend a minimum of fourteen (14) inches into the stem wall.
In Seismic Design Categories Do, Di, D2 and E where a grouted masonry stem
wall is supported on a concrete footing and stem wall, a minimum of one (1) No.
4 bar shall be installed at not more than four (4) feet on center. The vertical bar
shall extend to three (3) inches clear of the bottom of the footing and have a
standard hook.
In Seismic Design Categories Do, Di, D2 and E, masonry stem walls without
solid grout and vertical reinforcing are not permitted.
Exception: In detached one- and two-family dwellings located in Seismic Design
Categories A, B or C which are three (3) stories or less in height and
constructed with stud bearing walls, plain concrete footings without longitudinal
reinforcement supporting wall and isolated plain concrete footings supporting
columns or pedestals are permitted.
R403.1.5 Slope. The top surface of footings shall be level. The bottom surface
of footings shall be permitted to have a slope not exceeding one (1) vertical unit
in ten (10) units horizontal (10-percent slope). Footings shall be stepped where
it is necessary to change the elevation of the top surface of the footing or where
the surface of the ground slopes more than one (1) unit vertical in ten (10) units
horizontal (10-percent slope). For structures located in Seismic Design
Categories Do, Di, D2, and E, stepped footings shall be reinforced with four (4)
1/2-inch diameter deformed reinforcing bars. Two (2) bars shall be placed at the
top and bottom of the footings.
15.22.040 TABLE R403.1 amended.
Table R403.1 of the California Residential Code is hereby amended to read:
436
Ordinance No.
Page 25
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Ordinance No.
Page 26
Footnotes to Table R403.1
1. Pre-moistening is required where specified in Table R403.1 in order to achieve
maximum and uniform expansion of the soil prior to construction and thus limit
structural distress caused by uneven expansion and shrinkage. Other systems,
which do not include pre-moistening, may be approved by the building official, when
such alternatives are shown to provide equivalent safeguards against the adverse
effects of expansive soil.
2. Under-floor access crawl holes shall be provided with curbs extending not less than
six (6) inches above adjacent grade to prevent surface water from entering the
foundation area.
3. Reinforcement for continuous foundations shall be placed not less than three (3)
inches above the bottom of the footing and not less than three (3) inches below the
top of the stem.
4. Slab reinforcement shall be placed at mid-depth and continue to within two (2)
inches of the exterior face of the exterior face of the exterior footing walls.
5. Moisture content of soils shall be maintained until foundations and piers are poured
and a vapor barrier is installed. Test shall be taken within twenty-four (24) hours of
each slab pour.
6. Crawl spaces under raised floors need not be pre-moistened except under interior
footings. Interior footings which are not enclosed by a continuous perimeter
foundation system or equivalent concrete or masonry moisture barrier shall be
designed and constructed as specified for perimeter footings in Table R403.1.
7. A grade beam not less than twelve (12) inches by twelve (12) inches in cross-
sectional area, reinforced as specified for continuous foundations in Table R403.1,
shall be provided at garage door openings.
8. Foundation stem walls which exceed a height of three (3) times the stem thickness
above lowest adjacent grade shall be reinforced in accordance with Sections 18
and 19 in the California Building Code, or as required by engineering design,
whichever is more restrictive.
9. Footing widths may be reduced upon submittal of calculations by a registered civil
or structural engineer or licensed architect, but shall be a minimum of twelve (12)
inches for one- and two-story structures and fifteen (15) inches for three-story
structures.
10.Bent reinforcing bar between exterior footing and slab shall be omitted when floor is
designed as an independent, "floating" slab.
11.Fireplace footings shall be reinforced with a horizontal grid located three (3) inches
above the bottom of the footing and consisting of not less than No. 4 bars at twelve
(12) inches on center each way. Vertical chimney reinforcing bars shall be hooked
under the grid.
12.Underground utility conduits shall be installed prior to foundation inspection and
shall extend beyond the foundation.
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15.22.050 Foundation design.
The following language is added to the city's adoption of the California
Residential Code at the location indicated by the section number below:
R403.1.8 When buildings are located on expansive soil having an expansion
index greater than fifty (50), gutters, downspouts, piping and/or other non-
erosive devices shall be provided to collect and conduct rain water to pervious
areas such as yards, open channels or vegetated areas. Routing rooftop runoff
via yard drains to the roadway or the storm water conveyance system shall not
be permitted.
15.22.060 Lateral support.
Section R802.8 of the California Residential Code is replaced in its entirety to
read:
R802.8 Lateral Support. Roof framing members and ceiling joists having a
depth-to-thickness ratio exceeding two (2) to one (1) based on nominal
dimensions shall be provided with lateral support at points of bearing to prevent
rotation. For roof rafters with ceiling joists attached per Table R602.3(1), the
depth-thickness ratio for the total assembly shall be determined using the
combined thickness of the rafter plus the attached ceiling joist.
15.22.070 Wood truss design.
Section R802.10.2 of the California Residential Code is replaced in its entirety to
read:
R802.10.2 Design. Wood trusses shall be designed in accordance with
accepted engineering practice. The design and manufacture of metal-plate-
connected wood trusses shall comply with ANSI/TPI 1. The truss design
drawings shall be prepared by a registered professional.
15.22.080 Roofing.
Section R902.1 of the California Residential Code is replaced in its entirety to
read:
R902.1 Roofing Covering Materials. Roof coverings shall be class A or B,
except that no wooden shakes or shingles, treated or untreated, shall be
permitted.
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