ORD 2008-13 REVISIONS TO CAO BUILDING CODEORDINANCE 2008-13
AN ORDINANCE of the City of Bainbridge Island,
pertaining to regulation of geologically hazardous critical
areas and the factor of safety for landslide occurrence due
to earthquakes; and amending Sections 16.20.150 of
Chapter. 16.20 of the Bainbridge Island Municipal Code
(BIMC).
WHEREAS,' BIMC Chapter 16.20, the Critical Area Ordinance, regulates
activities on and adjacent to critical areas; and
WHEREAS, geologically hazardous areas are one type of critical area recognized
in the Growth Management Act (RCW 36.70A); and
WHEREAS, on December 14, 2005, the City Council adopted Ordinance No.
2005-03 amending BIMC Chapter 16.20 of the Bainbridge Municipal Code; and
WHEREAS, on November 14, 2007, the City Council adopted Ordinance 2007-
05 that amended the geologically hazardous areas section of the BIMC Chapter 16.20,
including language utilizing the State of Washington Department of Community, Trade
and Economic Development example provisions that related to factor of safety for
landslide hazard design; and
WHEREAS, the factor of safety in the CTED example provision was appropriate
for Uniform Building Code standards but not appropriate for International Building Code
standards, the standard imposed by State law and adopted by the City in BIMC Chapter
15.04; and
WHEREAS, the City Council desires to amend the factor of safety provisions of
BIMC 16.20 to reflect and be consistent with the standards of the International Building
Code; now, therefore,
THE CITY COUNCIL OF THE CITY OF BAINBRIDGE ISLAND, WASHINGTON
DO ORDAIN AS FOLLOWS:
Section 1. Section 16.20.150(E)(1)(e) of Chapter 16.20 of the Bainbridge Island
Municipal Code is amended to read as follows:
e. The proposed development shall not decrease the factor of safety for
landslide occurrences below the limits of 1.5 for static conditions and 4-.4 1.0
for dynamic conditions. Analysis of dynamic conditions shall be based on the
minimum horizontal acceleration for the probabilistic maximum considered
earthquake as established by the currently adopted version of the International
Building Code.
Section 2. Severability. If any one or more section, subsections, or sentences of this
ordinance are held to be unconstitutional or invalid, such decision shall not affect the
validity of the remaining portion of this ordinance and the same shall remain in full force
and effect.
Section 3. Effective Date. This ordinance shall take effect on and be in force five (5)
days from and after its passage, approval, and publication as required by law.
PASSED by the City Council this 13th day of August 2008.
APPROVED by the Mayor this 201h day of August 2008.
ATTEST/AUTHENTICATE:
'110laA,w�l Va5
Rosalind D. Lassoff, CMC, City Clerk
FILED WITH THE CITY CLERK:
PASSED BY THE CITY COUNCIL
PUBLISHED:
EFFECTIVE DATE:
ORDINANCE NUMBER:
Darlene Kordonowy, Mayor
June 17, 2008
August 13, 2008
August 20, 2008
August 25, 2008
2008-13
2