The California Residential Code Part 2.5, 2022 Edition, and Appendixes AH, AK published by the International Code Council, and as modified by the amendments, additions and deletions set forth hereinafter, is hereby adopted by reference as the California Residential Code of the city of South San Francisco and may be cited as such.
(Ord. 1648 § 3E, 2022)
Set forth below are the amendments, additions and deletions to the 2022 California Residential Code, Part 2.5, 2022 Edition. Chapter, section, and table numbers used herein are those of the California Residential Code.
(Ord. 1648 § 3E, 2022)
Section R506.3 Slab on Grade in Conditioned Areas is added to read as follows:
New concrete slabs supported directly on the ground and used as a finished floor or as a base for other floor finishes in conditioned rooms shall meet the following requirements:
1. 
Steel reinforcement equivalent to no. 3 deformed steel bars at 18 inches on center each way placed approximately mid-depth within the concrete slab. Blocks or chairs shall be provided in order to maintain the reinforcement in the center of the slab.
(Ord. 1648 § 3E, 2022)
Section 1.8.10.3 Moved Structures is added to read as follows:
Buildings or structures moved into or within the jurisdiction shall comply with the provisions of this code for new buildings or structures. In addition to all other requirements of the building code relative to the moving of buildings and structures, no permit for the moving of a building or structure shall be granted until the applicant has filed with the Chief Building Official:
1. 
A performance bond in favor of the city, of not less than $1,000 nor more than $100,000, as the Chief Building Official may determine, shall be conditioned to require the applicant to strictly comply with all conditions and provisions of this chapter, and of any provision of the municipal code relating to the moving of buildings or structures, and of any order, rule or regulation which may be hereafter passed or adopted by the City Council. The applicant also shall be required to pay any and all damages to any fence, hedge, tree, pavement, sidewalk, street, curb, gas, sewer or water pipe, electric wire or pole supporting the same, or to any public or private property which may result from moving the building or structure.
2. 
An undertaking to indemnify, defend and hold harmless the city and its elective officers, agents and employees against all liabilities, claims, actions, judgments, cost or any expense which may for any reason arise out of the issuance of said permit or moving of such buildings or structures.
All removals made under any permit granted for such moving shall be done over and along only the street or streets designated in such permit, and at the times therein specified, and shall be done in a careful manner to the satisfaction of the Chief Building Official, Superintendent of Public Works and the City Engineer.
No person owning or having charge of the removal of any building or structure being moved over any street, shall permit such building or structure to be, or stand, on any street within the limits of any one block for a period of more than 24 hours.
No person owning or having charge of the removal of any building or structure being moved over any street, shall allow or cause injury to any fence, hedge, tree, pavement, street, sidewalk, curb, gas pipe, water pipe, sewer pipe, electric wire or pole supporting same, or any other public or private property by reason of such removal.
(Ord. 1648 § 3E, 2022)
Section R908.7 Spark Arresters Required is added to read as follows:
Upon completion of a reroofing project, an approved spark arrestor meeting the criteria as set forth in section R1003.9.2 shall be installed on any chimney attached to an appliance or fireplace that burns solid fuel.
(Ord. 1648 § 3E, 2022)
See the California Building Code, Volume 2, 2022 Edition.
(Ord. 1648 § 3E, 2022)
Section 1.8.10.4 Work Hours is added to read as follows:
No construction, delivery, servicing or operation of tool and equipment, shall be conducted on weekdays between the hours of 7:00 p.m. and 7:00 a.m., on Saturdays between the hours of 8:00 p.m. and 9:00 a.m., and on Sundays and holidays between the hours of 6:00 p.m. and 10:00 a.m.
(Ord. 1648 § 3E, 2022)
Section AK102.1 is amended to read as follows:
Section AK102 Air-Borne Sound.
Section AK102.1 General: Amended. Walls, partitions, and floor-ceiling assemblies separating dwelling units from each other or from public or service areas shall have a sound transmission class (STC) of not less than 50 (45 if field tested) for air-borne noise when tested in accordance with ASTM E 90. Penetrations or openings in construction assemblies for piping, electrical devices, recessed cabinets, bathtubs, soffits, or heating, ventilating or exhaust ducts shall be sealed, lined, insulated, or otherwise treated to maintain the required ratings. This requirement shall not apply to dwelling unit entrance doors; however, such doors shall be tight fitting to the frame and sill.
Section AK103.1 is amended to read as follows:
Section AK103 Structural-Borne Sound.
Section AK103.1 General: Amended. Floor-ceiling assemblies between dwelling units or between a dwelling unit and a public or service area within the structure shall have an impact insulation class (IIC) rating of not less than 50 (45 if field tested) when tested in accordance with ASTM E 492.
(Ord. 1648 § 3E, 2022)
Section 202, Definitions:
* Newly constructed residential buildings: newly constructed residential buildings as defined shall include a construction project where an alteration includes “renovations” to residential buildings where either: (1) replacement of over 50% of the existing foundation for purposes other than a repair or reinforcement as defined in California Existing Building Code Section 202; or (2) When over 50% of the existing framing above the sill plate is removed or replaced for purposes other than repair. If either of these criteria are met within a 3 year period, measured from the date of the most recent previously obtained permit final date, that structure is considered new construction.
(Ord. 1648 § 3E, 2022)