CHAPTER 1. BUILDING CODE (Repealed)1
*Chapter 1 of Title 9 was repealed in its entirety by §3, Ord. 2065, effective January 1, 2008.
CHAPTER 1. BUILDING CODE
Chapter 1 was hereby added to Title 9 of the Municipal Code by §4, Ord. 2065, effective January 1, 2008.
9-1.01 Adoption.
The 2010 California Building Code, with necessary state amendments, published by the California Building Standards Commission, 2525 Natomas Park Drive, Suite 130, Sacramento, CA 95833-2936, one (1) copy of which is kept in the office of the Building Official, is adopted and referred to, and by this reference expressly incorporated and made a part of this chapter as though fully set forth in this chapter, subject to the amendments set forth in this chapter. The 2010 California Building Code shall be known, designated and referred to as the "California Building Code."
The California Building Code, as amended in this chapter, shall be known, designated and referred to as the "Building Code" for the City of Walnut Creek. (§4, Ord. 2065, eff. 1/1/2008; §2, Ord. 2094, eff. 1/1/11)
9-1.02 Appendix Adoption.
Appendices C (Group U – Agricultural Buildings) and I (Patio Covers) of the California Building Code are hereby adopted. All remaining appendices are not adopted. (§4, Ord. 2065, eff. 1/1/2008; §2, Ord. 2094, eff. 1/1/11)
9-1.03 Deletions.
Division II, Scope and Administration, of Chapter 1 of the California Building Code is hereby deleted, with the exception of those sections that are adopted by a State agency with local enforcement requirements. (§2, Ord. 2094, eff. 1/1/11)
9-1.04 Amendments: Section 705.1.
Section 705.1 of the California Building Code is hereby amended by adding a new paragraph to read as follows:
705.1.1. It shall be unlawful for any person, firm or corporation to sell or deed any portion of any improved parcel of land to any other person, or to divide or subdivide any improved parcel of land, or to move or create any new property lines of any improved parcels of land, unless the following conditions are met:
1. The fire resistance of the exterior walls of the improvements on such parcel or parcels of land comply with all provisions of Section 705 (Exterior Walls) with respect to the resulting property lines, and
2. The heights and areas of all structures on such parcel or parcels of land comply with Chapter 5 (General Building Heights and Areas) with respect to the resulting property lines.
(§2, Ord. 2094, eff. 1/1/11)
9-1.05 Amendments: Section 1613.8.
Section 1613.8 is added to the California Building Code to read as follows:
1613.8 ASCE 7, Section 12.8.7. Modify ASCE 7, Section 12.8.7 by amending Equation 12.8-16 to include the Importance Factor, I, in the numerator.
(§2, Ord. 2094, eff. 1/1/11)
9-1.06 Amendments: Section 1704.4 Exception 1.
Amend Exception 1 of Section 1704.4 to read as follows:
1. Isolated spread concrete footings of buildings three stories or less above grade plane that are fully supported on earth or rock and where the structural design of the footing is based upon a specified compressive strength, f'c, no greater than 2,500 pounds per square inch (psi)(17.2 Mpa).
(§2, Ord. 2094, eff. 1/1/11)
9-1.07 Amendments: Section 1908.1.8.
Amend Section 1908.1.8 in its entirety to read as follows:
1908.1.8 ACI 318, Section 22.10. Delete ACI 318, Section 22.10, and replace with the following:
22.10 – Plain concrete in structures assigned to Seismic Design Category C, D, E or F.
22.10.1 – Structures assigned to Seismic Design Category C, D, E or F shall not have elements of structural plain concrete, except as follows:
(a) Isolated footings of plain concrete supporting pedestals or columns are permitted, provided the projection of the footing beyond the face of the supported member does not exceed the footing thickness.
Exception: In detached one and two-family dwelling three stories or less in height, the projection of the footing beyond the face of the supported member is permitted to exceed the footing thickness.
(b) Plain concrete footings supporting walls are permitted, provided the footings have at least two continuous longitudinal reinforcing bars. Bars shall not be smaller than No. 4 and shall have a total area of not less than 0.002 times the gross cross-sectional area of the footing. A minimum of one bar shall be provided at the top and bottom of the footing. Continuity of reinforcement shall be provided at corners and intersections.
Exception: In detached one and two-family dwellings three stores or less in height and constructed with stud bearing walls, plain concrete footings with at least two continuous longitudinal reinforcing bars not smaller than No. 4 are permitted to have a total area of less than 0.002 times the gross cross-sectional area of the footing.
(§2, Ord. 2094, eff. 1/1/11)
(Sections 9-1.01 through 9-1.22 codified from Sections 7100 through 7121, as amended by Ord. 689, eff. November 15, 1963; Ord. 712, eff. April 3, 1964; Ord. 783, eff. May 21, 1965; Ord. 945, eff. January 1, 1969, §1, Ord. 955, eff. March 19, 1969; amended in its entirety by §1, Ord. 1028, eff. September 2, 1970; amended in its entirety by §1, Ord. 1561, eff. February 3, 1983; amended in its entirety by §1, Ord. 1703, eff December 1, 1988; amended in its entirety by §1, Ord. 1725, eff December 29, 1989; amended in its entirety by §1, Ord. 1790, eff. July 2, 1992; by §1, Ord. 1872, eff. 1/1/96; §1, Ord. 1950, eff. July 1, 1999; §1, Ord. 2003, eff. 11/14/02; and amended in its entirety §3 and §4 Ord. 2065, eff. 1/1/2008)