A.
Chapter 2 of the California Building Code (Definitions) is hereby amended by adding
the following definition:
Greenhouse
is a commercial or agricultural structure as defined in section 35.110 of the Santa
Barbara County Land Use Development Code.
B.
Section 701A.3 of the California Building Code is hereby replaced in its entirety
to read as follows:
701A.3 Applications.
New buildings, additions, alterations, and repairs located in any Fire Hazard Severity
Zone or any Wildland-Urban Interface Areas designated by the enforcing agency constructed
after the application date shall comply with the provisions of this chapter.
Exceptions:
1. Buildings of an accessory character classified as a Group U occupancy and not
exceeding 120 square feet in floor area, when located at least 30 feet from an applicable
building.
2. Buildings of an accessory character classified as Group U occupancy of any size
located at least 50 feet from an applicable building.
3. Buildings classified as a Group U Agricultural Building, as defined in Section
202 of this code (see also Appendix C — Group U Agricultural Buildings), when located
at least 50 feet from an applicable building.
C.
Section 702A of the California Building Code (Definitions) is hereby amended to modify
the definition of Local Agency Very High Fire Hazard Severity Zone to read as follows:
Local Agency Very High Fire Hazard Severity Zone
is an area shown as "Santa Barbara County Very High Fire Hazard Severity Zones Map
in Local Responsibility Area", on file in the office of the State Fire Marshal, herein
designated and based on the recommendation of the CDF Director pursuant to Government
Code Section 51178 and where the County of Santa Barbara is responsible for fire protection.
D.
Section 702A of the California Building Code (Definitions) is hereby amended by adding
the following definition:
High Fire Hazard Area
is an area of the County of Santa Barbara designated by the Building Official as having
a high propensity for wild fire due to the existence of excessive wild brush fuel,
lack of adequate water for fire suppression, or lack of adequate access to firefighting
equipment and is shown on a map entitled "High Fire Hazard Area Map" on file in the
County of Santa Barbara Building and Safety Division of the Planning and Development
Department. This area is to be considered a Wildland-Urban Interface Area.
E.
Sections 1505.1 of the California Building Code is hereby amended by adding a second
paragraph to read as follows:
Use of Wood roofing materials is prohibited except approved Class A or B fire-retardant-treated
wood roofing materials are permitted to effect repairs for roofs of similar existing
wood roofing material where such repairs do not exceed 25 percent of the existing
roof area within any given 12 month period.
F.
Section 1505.1.4 of the California Building Code is hereby amended by adding a second
paragraph to read as follows:
Roofing for structures in a Wildland-Urban Interface Fire Area shall be class A or
B roofing assemblies.
G.
Section 1609.1.1 of the 2016 California Building Code is hereby amended by adding
the following paragraph to the end of the section.
The basic wind speed of 95 miles per hour (3 second gust) (ASD) shall be used in Special
Wind Region of the County of Santa Barbara, defined herein. The Special Wind Region
of the County is generally bounded as follows: on the east by a north-south line running
through El Capitan Point, on the north by the ridge of the Coast Range, on the west
by the coast from the southerly boundary of Vandenberg Air Force Base south to Point
Conception, and on the south by the coast line from Point Conception to El Capitan
Point.
H.
Section 1705.3, exemption 1 of the 2016 California Building Code is hereby replaced
to read as follows:
Isolated spread concrete footings of buildings three stories or less above grade
plane that are fully supported on earth or rock, where the structural design of the
footing is based on a specified compressive strength, fc, no greater than 2,500 pound
per square inch (psi) (17.2 Mpa).
I.
The Appendix Chapter C, Group U, Agricultural Buildings the 2016 California Building
Code is adopted in its entirety and amended by adding a new section C105 to read as
follows:
C105. Greenhouses:
Greenhouses shall not be used for retail sales, offices, packing sheds, workshops,
storage of processed products, processing of produce, or other similar purposes. The
allowable area of a greenhouse shall not be limited provided that a minimum 20 foot
wide level and clear buffer strip is maintained around the perimeter of the building,
and the height of the building shall not exceed one story or 20 feet above surrounding
grade. The structural system of a greenhouse may be of any material allowed by the
California Building Code. A greenhouse building, not meeting the above limitations,
shall be assigned by the Building Official to the occupancy classification it most
nearly resembles.
J.
Appendices Chapter I and G are hereby adopted in their entirety.
