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ORDINANCE NO. 2088
AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF
ARCADIA, CALIFORNIA, AMENDING SECTION 8130.35 OF THE
ARCADIA MUNICIPAL CODE RELATING TO SECTION 1208 -
SOUND TRANSMISSION CONTROL.
WHEREAS, this text change was initiated by the City at the request of
Stonebridge Companies, to amend Section 8130.35 of the Arcadia Municipal Code
relating to Sound Transmission Control.
WHEREAS, a public hearing was held before the City Council on April 7, 1998,
at which time all interested persons were given full opportunity to be heard and to
present evidence; and
WHEREAS, the City Council hereby finds that the revision to the building code
standard of STC-58 to STC-52 provides adequate sound transmission controls for
hotels and motels and better sound attenuation than the current Uniform Building Code
Requirement of STC-50.
WHEREAS, the City Council determines that based upon the evidence
presented, the public necessity, convenience and general welfare justifies the proposed
text change.
NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF ARCADIA DOES
HEREBY ORDAIN AS FOLLOWS:
Section 1. That Section 8130.35 is amended to read as follows:
8130.35 AMENDMENT
Volume 1, Appendix Chapter 12, Division II. in the Uniform Building Code is
amended to read as follows:
SECTION 1208 - SOUND TRANSMISSION CONTROL
1208.1 General. In Group R, Division 1 Occupancies, other than Multi-Family
Buildings as defined in Arcadia Municipal Code Section 8130.53, every wall, partition or
floor-ceiling assembly, forming a separation between a hotel room, between a motel
room, between a guest room, between these rooms and garages or carports, or
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between these rooms and common corridors, stairways or service areas, shall be
provided airborne sound insulation for walls and both airborne and impact sound
insulation for floor-ceiling assemblies.
1208.2 Airborne Sound Insulation. All such walls and floor-ceiling assemblies
shall provide an airborne sound insulation equal to that required to meet a Sound
Transmission Class (STC) of 52.
Any penetrations or openings for construction assemblies, electrical, mechanical
or plumbing devices or equipment shall first be approved by the Building Official and if
approved shall be seal lined, insulated or otherwise treated to maintain the required
ratings.
Entrance doors from interior corridors together with the perimeter seals shall
have a laboratory tested Sound Transmission Class (STC) of not less than 30 and such
perimeter seals shall be maintained in good operating conditions.
1208.3 Impact Sound Insulation. All such floor-ceiling assemblies shall provide
impact sound insulation equal to that required to meet an Impact Insulation Class (ITC)
rating of 52. Floor coverings may be included in the assembly to obtain the required
ratings, and must be retained as a permanent part of the assembly and may only be
replaced by other floor coverings that provide the same sound insulation required
above.
1208.4 Tested Assemblies. Field or laboratory tested wall or floor-ceiling
designs having a STC or ITC rating of 52 or more, may be used without additional field
testing when in the opinion of the Building Official the tested design has not been
compromised by flanking paths. Tests may be required by the Building Official when
evidence of compromised separations is noted.
1208.5 Field Testing and Certification. Field testing, when approved by the
Building Official, shall be done under the supervision of a professional acoustical who
shall be experienced in the field of acoustical testing and engineering, who shall
forward certified test results to the Building Official that minimum sound insulation
requirements stated above have been met.
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1208.6 Airborne Sound Insulation Field Test. When approved by the Building
Official, airborne sound insulation shall be determined according to the applicable Field
Airborne Sound Transmission Loss Test Procedures. All sound transmitted from the
source room to the receiving room shall be considered to be transmitted through the
test partition.
1208.7 Impact Sound Insulation Field Test. When approved by the Building
Official, impact sound insulation shall be determined.
1208.8 Field Tests for Existing Buildings. Field tests on existing buildings to
determine the STC or ITC values, may be accomplished only upon authorization of the
Building Official. Wall and floor-ceiling tests must meet a Sound Transmission Class
and Impact Insulation Class (IIC) of 52.
Section 2. The City Clerk shall certify to the adoption of this Ordinance and shall
cause a copy of the same to be published in the official newspaper of said City within
fifteen (15) days after its adoption.
Passed, approved and adopted this 5th day of Hay , 1998.
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May of the ity of Arcadia
ATTEST:
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Clerk of the C' of Arc dia
Approved as to Form:
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STATE OF CALIFORNIA )
COUNTY OF LOS ANGELES ) SS:
CITY OF ARCADIA )
I, JUNE D. ALFORD, City Clerk of the City of Arcadia, hereby certify that the
foregoing Ordinance No. 2088 was passed and adopted by the City Council of the City of
Arcadia, signed by the Mayor and attested to by the City Clerk at a regular meeting of said
Council held on th(: 5th day of May, t 998 and that said Ordinance was adopted by the
following vote, to wit:
A YES: Councilmember Chandler, Harbicht, Marshall and Kovacic
NOES: None
ABSENT: Councilmember Roncelli
,d)
f Arcadia
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