Sonoma County Municipal Code § 7-18 Local conditions

(A) Code Adoption. The following listed codes are hereby adopted and incorporated herein by reference, save and except such portions as are added, amended, deleted, modified or revised in subsequent sections. Included in the adoption are the matrix adoption table that precedes each chapter, appendix or annex within each part. The code sections and appendixes listed in the respective matric adoption table as being adopted by either BSC, HCD 1 or HCD2 are hereby adopted.

(1) California Code of Regulations (CCR), Title 24, Part 1, 2022 California Administrative Code.

(2) CCR, Title 24, Part 2, 2022 California Building Code (CBC).

(3) CCR, Title 24, Part 2.5, 2022 California Residential Code (CRC).

(4) CCR, Title 24, Part 3, 2022 California Electrical Code (CEC).

(5) CCR, Title 24, Part 4, 2022 California Mechanical Code (CMC).

(6) CCR, Title 24, Part 5, 2022 California Plumbing Code (CPC).

(7) CCR, Title 24, Part 6, 2022 California Energy Code.

(8) CCR, Title 24, Part 8, 2022 California Historical Building Code.

(9) CCR, Title 24, Part 10, 2022 California Existing Building Code (CEBC).

(10) CCR, Title 24, Part 11, 2022 California Green Building Standards Code.

(11) CCR, Title 24, Part 12, 2022 California Referenced Standards Code.

(B) Administrative Provisions.

(1) Appeals.

CCR Title 24, Part 2, CBC, Volume 1, Chapter 1, Division I, Section 1.8.8.3.1;

CCR Title 24, Part 2.5, CRC, Chapter 1, Division I, Section 1.8.8.3.1;

CCR, Title 24, Part 3, CEC, Section 89.108.8.3.1;

CCR Title 24, Part 4, CMC, Chapter 1, Division I, Section 1.8.8.3.1;

CCR Title 24, Part 5, CPC, Chapter 1, Division I, Section 1.8.8.3.1; and,

CCR Title 24, Part 10, CEBC, Chapter 1, Division I, Section 1.8.8.3.1; are added to read as follows:

Appeals. Appeal may be made from any decisions of the chief building official provided, however, that such appeal may not be made more than thirty (30) days after the decision from which appeal is being made has been rendered. Prescriptive standards as set forth in this code do not constitute a decision of the building official appealable under this section. All applicants and appellants shall be given reasonable opportunity to be heard and present evidence. Decisions of the local appeals board and housing appeals board shall be in writing and shall be delivered to the appellant either in person or by mailing to the address stated on the appeal or application. Decisions of the local appeals board and housing appeals board are final. The local appeals board and housing appeals board shall have no authority relative to fees, permit processing or other matters which are not directly related to building standards, and shall have no authority to waive the requirements of this code. Appeals of any notice of violation or notice and order to abate any violation of this code shall be heard and decided by a hearing officer pursuant to Section 1-7.3 of the Sonoma County Code.

(2) Time Limit of Application.

CCR Title 24, Part 2, CBC, Volume 1, Chapter 1, Division II, Section 105.3.2;

CCR Title 24, Part 2.5, CRC, Chapter 1, Division II, Section 105.3.2;

CCR Title 24, Part 4, CMC, Chapter 1, Division II, Section 104.3.3;

CCR Title 24, Part 5, CPC, Chapter 1, Division II, Section 104.3.3;

CCR Title 24, Part 10, CEBC, Chapter 1, Division II, Section 105.3.2;

are amended to read as follows and

CCR, Title 24, Part 3, CEC, Informative Annex H, Section 80.19(I) is added to read as follows:

Time Limit of Application. If no permit is issued within one year following the date of application, the application shall expire by limitation, and plans and other data submitted for review may thereafter be returned to the applicant or destroyed by the building official. If, after such expiration, the original plans are resubmitted within 180 days following such expiration, the plan review fee shall be 25% of that otherwise required. No application shall be renewed in this fashion more than once. In order to further renew action on an application after expiration, the applicant shall resubmit plans and pay a new plan review fee. The chief building official may extend this time period when such extension is warranted, including but not limited to (1) to correct an error by the department, (2) when a legal action prevents the project from being completed within the allowed year time frame, or (3) in the interest of public health and safety. The chief building official's decision regarding the limitation period shall be final.

(3) Time Limit of Permit.

CCR Title 24, Part 2, CBC, Volume 1, Chapter 1, Division II, Section 105.5;

CCR Title 24, Part 2.5, CRC, Chapter 1, Division II, Section R105.5;

CCR Title 24, Part 4, CMC, Chapter 1, Division II, Section 104.4.3;

CCR Title 24, Part 5, CPC, Chapter 1, Division II, Section 104.4.3; and,

CCR Title 24, Part 10, CEBC, Chapter 1, Division II, Section 105.5;

are amended to read as follows and

CCR, Title 24, Part 3, CEC, Informative Annex H, Section 80.19(J) is added to read as follows:

Time Limit of Permit.

(a) Every permit issued shall become invalid unless the work on the site authorized by such permit is commenced within 12 months after its issuance, or if the work authorized on the site by such permit is suspended or abandoned for a period of 12 months after the time the work is commenced.

(b) A permittee may request an extension of a permit. The chief building official may grant, in writing, one or more extensions of time for periods of not more than 180 days per extension. The permittee shall request an extension pursuant to this subdivision in writing and demonstrate justifiable cause for the extension.

(c) Before any work can be commence or recommenced on any expired permit, or permit to legalize a violation, a new permit shall first be obtained. The new permit shall be obtained for all work necessary to finish the project including work already completed that has not been previously inspected and approved by the department.

i. Any new permits issued to recommence work started under an expired permit will be based on the codes in effect at the time of the original expired permit.

ii. Any new permits issued to commence work under an expired permit will be based on the codes in effect at the time of the original expired permit, provided that no more than two subsequent model California Building Codes have been adopted.

iii. Any new permits issued to commence work under an expired permit where more than two subsequent model California Building Codes have been adopted shall be governed by the codes in effect at the time of the new permit application.

iv. Any new permits issued to legalize a violation shall be governed by the codes in effect at the time of the new permit application.

(d) The fees for the new permit shall be based on the current fee schedule at full value of the previously permitted work minus the value of the work inspected and approved prior to expiration of the permit plus the full value of any new work not previously permitted per the Permit and Resource Management Department Expired Permit Policy.

(4) Schedule of Permit Fees.

CCR Title 24, Part 2, CBC, Volume 1, Chapter 1, Division II, Section 109.2;

CCR Title 24, Part 2.5, CRC, Chapter 1, Division II, Section R108.2;

CCR, Title 24, Part 3, CEC, Informative Annex H, Section 80.19(E);

CCR Title 24, Part 4, CMC, Chapter 1, Division II, Section 104.5;

CCR Title 24, Part 5, CPC, Chapter 1, Division II, Section 104.5; and,

CCR Title 24, Part 10, CEBC, Chapter 1, Division II, Section 108.2; are amended to read as follows:

Schedule of Permit Fees.

1. Schedule of permit fees. On buildings, structures, electrical, gas, mechanical, and plumbing systems or alterations requiring a permit, a fee for each permit shall be paid as required, in accordance with the schedule as established by the Sonoma County Board of Supervisors.

2. Incomplete Plans. Where plans are incomplete or changed so as to require additional plan review, an additional plan review fee shall be charged at the rate shown in the Permit and Resource Management Department fee schedule.

3. Peer Review or Third-Party Review. When approved by the chief building official a reduction in plan review fees by twenty-five percent (25%) of that otherwise required may be granted where a peer review or third-party plan review or other process results in substantially reduced plan review effort by the Permit and Resource Management Department.

4. Stock Plans. The chief building official may, in his or her discretion, waive the plan check fee for the second and all subsequent buildings or structures identical to a building or structure for which a plan check has been paid because there is a reduction in the cost of providing the service. This plan check fee waiver for subsequent submittals shall be limited to one (1) year following date of original fee payment. In each case the applicant must be the same for all permits.

5. Reinspection Fees. A reinspection fee may be assessed for each inspection or reinspection when such portion of work for which inspection is called is not complete or when corrections called for are not made. This section is not to be interpreted as requiring reinspection fees the first time a job is rejected for failure to comply with the requirements of this code, but as controlling the practice of calling for inspections before the job is ready for such inspection or reinspection. Reinspection fees may be assessed when the inspection record card has not been posted or otherwise is not available on the work site, the approved plans are not readily available to the inspector, for failure to provide access on the date for which the inspection is requested, or for deviating from plans requiring the approval of the building official. The reinspection fee shall be established in the Board of Supervisors' fee schedule. When a reinspection fee has been assessed, no additional inspection of the work shall be performed until the required fees have been paid.

6. Violation Penalty and Review Fee. Any person who violates a provision of this code or fails to comply with any of the requirements thereof or who erects, constructs, alters or repairs a building or structure in violation of the approved construction documents or directive of the building official, or of a permit or certificate issued under the provisions of this code, shall be subject to penalties as prescribed by law. A review fee equal to the amount of the permit fee, whether or not a permit is then or subsequently issued, shall be assessed. The payment of such review fee shall not exempt any person from compliance with all other provisions of this code nor from any penalty prescribed by law.

(5) Violation Penalties

CCR Title 24, Part 2, CBC, Volume 1 Chapter 1, Division II, Section 114.4;

CCR Title 24, Part 2.5, CRC, Chapter 1, Division II, Section R113.4;

CCR, Title 24, Part 3, CEC, Informative Annex H, Section 80.23(B)(1);

CCR Title 24, Part 4, CMC, Chapter 1, Division II, Section 106.3;

CCR Title 24, Part 5, CPC, Chapter 1, Division II, Section 106.3; and,

CCR Title 24, Part 10, CEBC, Chapter 1, Division II, Section 113.4 are deleted.

(6) Connection after Order to Disconnect.

CCR Title 24, Part 2, CBC, Volume 1, Chapter 1, Division II, Section 112.4;

CCR Title 24, Part 2.5, CRC, Chapter 1, Division II, Section R111.4;

CCR, Title 24, Part 3, CEC, Informative Annex H, Section 80.25(F);

CCR Title 24, Part 4, CMC, Chapter 1, Division II, Section 106.7;

CCR Title 24, Part 5, CPC, Chapter 1, Division II, Section 106.7; and

CCR Title 24, Part 10, CEBC, Chapter 1, Division II, Section 111.4;

are added to read:

Connection After Order to Disconnect. Persons shall not make connections from any energy, fuel or power supply nor supply energy or fuel to building service equipment which has been disconnected or ordered to be disconnected by the chief building official or the use of which has been ordered to be discontinued by the chief building official until the chief building official authorizes the reconnection and use of such equipment.

(7) Expiration.

CCR Title 24, Part 2, CBC, Volume 1, Chapter 1, Division II, Section 105.5.1;

CCR Title 24, Part 2.5, CRC, Chapter 1, Division II, Section R105.5.1;

CCR Title 24, Part 4, CMC, Chapter 1, Division II, Section 104.4.3.1;

CCR Title 24, Part 5, CPC, Chapter 1, Division II, Section 104.4.3.1; and,

CCR Title 24, Part 10, CEBC, Chapter 1, Division II, Section 105.5.1;

are deleted.

(C) California Building Code Revisions.

(1) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 1, Division II, Section 101.4.4 is amended to read:

101.4.4. Property maintenance. The provisions of CBC Sections 116 Unsafe Structures and Equipment of the CBC as amended by Sonoma County Code by adding definitions for "unsafe or dangerous buildings" and "nuisance" to Sonoma County Code section 7-19, shall apply to existing buildings and premises.

(2) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 1, Division II, Section 105.2 is amended to read:

105.2 Work exempt from permit. Exemption from permit requirements of this section shall not be deemed to grant authorization for any work to be done in any manner in violation of the provisions of this code or any other laws or ordinances of the jurisdiction. Such exempt structures must meet all other applicable requirements of this jurisdiction, including required minimum distances from property lines. Permits shall not be required for the following:

(a) Building Permit Exemptions:

1. One-story detached accessory buildings used as tool and storage sheds, playhouses and similar uses, provided the floor area does not exceed 120 square feet, and the height above grade does not exceed 12 feet. No more than one structure may be allowed under this exemption unless separated from another permit exempt structure by more than 50 feet.

2. Fences, not over 10 feet high, except that solid wood, concrete, metal, and masonry fences more than 7 feet in height measured from the lowest existing grade to the top of the fence shall require a building permit.

3. Oil derricks.

4. Retaining walls, which retain not more than 3 feet of material unless supporting a surcharge or impounding Class I, II, or IIIA liquids. For the purpose of this section, a retaining wall is considered to be supporting a surcharge if:

a. The wall retains more than one foot of material and the retained material slopes more than two units horizontal to one vertical within a distance equal to twice the height of the wall above the lowest existing grade, or

b. The wall retains more than one foot of material and any road or structure is located on the retained material within a distance equal to twice the height of the wall above the lowest existing grade.

5. Tanks, not containing Class I, II, or IIIA liquids supported directly upon grade, or below grade, if the capacity does not exceed 5,000 gallons and the ratio of height to diameter or width does not exceed 2 to 1.

6. Sidewalks, platforms, driveways, nonstructural slabs and decks not more than 30 inches above grade, and not over any basement or story below and are not part of a disabled access route.

7. Painting, papering, tiling, carpeting, cabinets, counter tops and similar finish work.

8. Temporary motion picture, television and theater stage sets and scenery.

9. Prefabricated swimming pools accessory to a Group R, Division 3 Occupancy which do not exceed 5,000 gallons, and are installed entirely above ground.

10. Shade cloth structures constructed for nursery or agricultural purposes, not including service systems. Plumbing, electrical or mechanical systems associated with the structure require permits.

11. Swings, play structures, and other playground equipment, treehouses with a floor area less than 120 square feet, and skateboard ramps, accessory to detached one and two family dwellings, which are not used for commercial purposes, and children's play structures when constructed on a parcel which contains a one or two- family dwelling or a State licensed school or day care center.

12. Window awnings in Group R-3 and U Occupancies, supported by an exterior wall that do not project more than 54 inches from the exterior wall and do not require additional support.

13. Nonfixed and movable fixtures, cases, racks, counters and partitions not over 5 feet 9 inches in height.

14. Minor repair of interior paneling or gypsum wallboard when it does not serve as a fire-resistive assembly or as lateral bracing for a structure. Minor repairs are limited to 100 square feet, on a one time basis. Subsequent minor repairs will require permits. This exemption shall not apply to structures subject to flood damage.

15. Replacement of windows or doors with others of the same size, and in the same location when the structural frame of the opening is not altered.

16. Prefabricated structures no more than 500 square feet in area, constructed of light frame materials and covered with cloth or flexible plastic which has a thickness no greater than 5/1000 of an inch, accessory to a single family dwelling, with no associated electrical, plumbing, or mechanical equipment and the height above grade does not exceed 12 feet.

17. Residential Arbors, trellises, and gazebos, when the height above grade does not exceed twelve (12) feet. For the purpose of this section, arbors, trellises, and gazebos are considered for detached shade structures accessory to residential occupancies and are defined as follows:

a. Structures which have a lattice or fabric roof structure, and

b. 75% of the exterior walls are not less than 75% open, and

c. Into which a motor vehicle cannot be driven due to the configuration of the structure or placement on the site.

If such a structure contains electrical, plumbing, or mechanical equipment, a permit is required for this work.

18. Removal of up to 25% of exterior and/or interior or roof coverings or other similar work for the purpose of determining the condition of structural members in a structure where work is being planned. Such work may remain exposed for a maximum of 90 days before being repaired. A permit must be obtained for the repairs unless exempted by this section of the Sonoma county code.

19. 2-bin trash enclosure covers with a height not exceeding 12 feet.

(b) Electrical Permit Exemptions:

1. Minor repair work, including the replacement of lamps or the connection of approved portable electric equipment to approved permanently installed receptacles.

2. The provisions of this code shall not apply to electrical equipment used for radio and television transmissions, but do apply to equipment and wiring for a power supply and the installations of towers and antennas.

3. The installation of any temporary system required for the testing or servicing of electrical equipment or apparatus.

4. Listed cord and plug connected temporary decorative lighting.

5. Reinstallation or replacement of attachment plug receptacles, but not the outlets therefor.

6. Repair or replacement of branch circuit overcurrent devices of the required capacity in the same location.

7. Installation or maintenance of communications wiring, devices, appliances, apparatus, or equipment.

(c) Gas Permit Exemptions:

1. Portable heating appliance.

2. Replacement of any minor part that does not alter approval of equipment or make such equipment unsafe.

3. Portable fuel-cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.

(d) Mechanical Permit Exemptions:

1. Portable heating appliance.

2. Portable ventilation equipment.

3. Portable cooling unit.

4. Steam, hot or chilled water piping within any heating or cooling equipment regulated by this code.

5. Replacement of any part that does not alter its approval or make it unsafe.

6. Portable evaporative cooler.

7. Self-contained refrigeration system containing 10 pounds (4.54 kg) or less of refrigerant and actuated by motors of 1 horsepower (746 W) or less.

8. Portable fuel-cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.

(e) Plumbing Permit Exemptions:

1. The stopping of leaks in drains, water, soil, waste or vent pipe, provided, however, that if any concealed trap, drain pipe, water, soil, waste or vent pipe becomes defective and it becomes necessary to remove and replace the same with the new material, such work shall be considered as new work and a permit shall be obtained and inspection made as provided in this code.

2. The clearing of stoppages or the repairing of leaks in pipes, valves or fixtures and the removal and reinstallation of water closets, provided such repairs do not involve or require the replacement or rearrangement of valves, pipes or fixtures.

3. Replacement of existing plumbing fixtures for low flow plumbing fixtures in accordance with Section 1101.1 California Civil Code.

(3) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 1, Division II, Section 113 is deleted.

(4) CCR Title, 24, Part 2, CBC, Volume 1 Chapter 1, Division II, Section 116.3 is amended to read:

116.3 Notice. If an unsafe condition is found, the building official shall serve on the owner, agent or person in control of the structure, a written notice that describes the condition deemed unsafe per Section 1-7.3 of the Sonoma County Code.

(5) CCR Title, 24, Part 2, CBC, Volume 1 Chapter 1, Division II, Section 117 is added to read:

SECTION 117 NOTICE TO VACATE

117.1 Posting. Every notice to vacate shall, in addition to being served as provided in Section 116.4, be posted at or upon each exit of the building and shall be in substantially the following form:

DO NOT ENTER UNSAFE TO OCCUPY

It is a misdemeanor to occupy this building, or to remove or deface this notice.

Building Official County of Sonoma

117.2 Posting during declared emergencies. During a declared local, state or federal emergency or state of emergency as defined in Chapter 10 of this Code, each structure or property affected by the declaration and subsequently reviewed shall be evaluated and posted in accordance with the standards established in Applied Technology Council (ATC) 20, ATC 45 or the most recently adopted standard by the California Office of Emergency Services as an emergency response plan.

117.3 Compliance. Whenever such notice is posted, the building official shall include a notification thereof in the notice and order issued under Section 115.3 reciting the emergency and specifying the conditions which necessitate the posting. No person shall remain in or enter any building which has been so posted unless specifically stated on the posting. Entry may be made to repair, demolish or remove such building under permit. No person shall remove or deface any such notice after it is posted until the required repairs, demolition or removal have been completed and a certificate of occupancy issued pursuant to the provisions of the Building Code.

117.4 Appeals. Appeals of any notice and order to abate any violation of this Code shall be heard and decided by a hearing officer pursuant to Section 1-7.3 of the Sonoma County Code.

(6) CCR Title, 24, Part 2, CBC, Volume 1 Chapter 2, Section 202 is amended to revise the following definitions:

BUILDING.

BUILDING, EXISTING

SUBSTANTIAL IMPROVEMENT:

See Sonoma County Code Ch 7-19

(7) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 4, Section 446.10 is amended to read as follows:

Section 446.10 Fire protection systems. The following fire protection systems shall be provided in accordance with Section 446.10.1 through 446.10.2

446.10.1 Fire Alarm System. An approved manual fire alarm system shall be installed in accordance with section 907.2.1 in new and existing Type 3 winery caves when the occupant load exceeds 100, unless equipped with an automatic sprinkler system installed in accordance with 903.3.1.1.

446.10.2 Automatic sprinkler system. An approved automatic sprinkler systems shall be installed in accordance with 903.3.1.1 in all new Type 3 winery caves when the occupant load exceed 100 or more, or existing winery caves when a change of use is approved by the fire code official.

(8) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 4, Section 446.16 is added to read as follows:

446.16 Identification

Every type 2 and type 3 winery cave shall have a permanent placard installed at the exterior main entrance in an area approved by the fire code official. The placard shall include cave type, year built and maximum occupant load. The fire code official is authorized to request additional information for emergency response.

(9) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 7A, Section 701A.3 is amended to read as follows:

701A.3 Application. Buildings located in any Fire Severity Zone or any Wildland-Urban Interface Zone designated by the enforcing agency constructed, altered, moved, repaired or maintained 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. Additions to and remodels of buildings originally constructed prior to the application date.

3. Group C, Special buildings conforming to the limitations specified in section 450.4.1 of the California building Code.

4. Agricultural exempt structures as defined in Chapter 7 of the Sonoma County Building Code when greater than 60 feet from property lines and other structures. For the purposes of this section and section 710A, applicable building include all buildings that have residential, commercial, educational, institutional, or similar occupancy type use.

(10) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2 is amended to read as follows:

903.2 Where required. Approved automatic sprinkler systems in new buildings and structures shall be provided in the locations described in Sections 903.2.1 through 903.2.12 and sections 903.2.14 through 903.2.21. Approved automatic sprinkler systems in existing buildings and structures shall be provided in locations described in Section 903.6.

Exceptions:

1. Agricultural and Greenhouse buildings as approved by the fire code official when not required in other sections of the California Building Code.

2. Detached accessory structures to Group R-3 not classified as a dwelling unit and not exceeding 3,000 square feet (279m 2 ) in gross floor area.

3. Detached non-combustible motor vehicle fuel dispensing canopies.

4. Detached group U occupancies not greater than 3,000 square feet (279m 2 ), or when approved by the Fire Code Official where the entire structure is not to exceed 5,500 sq ft (510m 2 ).

5. Special occupancy aircraft hangar shade structures as approved by the fire code official, unless required in NFPA409.

(11) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.1 is amended to read as follows:

903.2.1 Group A. An automatic sprinkler system shall be provided throughout buildings containing a Group A occupancy exceeding 1500 square feet or when required per 903.2.1.1 through 903.2.1.6.

(12) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.1.6 is renumbered and amended to read as follows (with deletion of the exception):

903.2.1.6 Assembly occupancies on roofs. Where an occupied roof has an assembly occupancy with an occupant load exceeding 100 for Group A-2 and 300 for other Group A Occupancies, an automatic sprinkler system shall be provided throughout the building in accordance with Section 903.3.1.1 or 903.3.1.2.

(13) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.1.7 is amended to read:

903.2.1.6 Multiple Fire Areas. An automatic sprinkler system shall be provided where multiple fire areas of Group A-1, A-2, A-3 or A-4 occupancies share exit or exit access components and the combined occupant load of these fire areas is 100 or more.

(14) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.2 is amended to read as follows:

903.2.2 Ambulatory care facilities. An automatic sprinkler system shall be installed throughout buildings containing an ambulatory care facility.

(15) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.3 is amended to read as follows:

903.2.3 Group E. An automatic sprinkler system shall be provided throughout buildings containing Group E occupancies. For public school state-funded construction projects or for public school campuses, Kindergarten through 12 th grade, see Section 903.2.19 through 903.2.20.

(16) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.4 is amended to read as follows:

903.2.4 Group F. An automatic sprinkler system shall be provided throughout buildings containing a Group F occupancy where gross floor area exceeds 3000 square feet (279m 2 ).

Exceptions:

1. Canopied winery crush pads less than 12,000 square feet in area, provided that all of the following conditions are met:

a. The canopy and supporting structure are constructed of non-combustible materials.

b. If attached, the crush pad is separated from other portions of the building by one-hour fire-resistive walls.

c. The crush pad is not used for storage of combustible materials.

d. The canopy and supporting structure is incapable of trapping heat, smoke or other byproducts of combustion.

2. Dairy milking facilities less than 12,000 feet in area.

3. Manufactures of upholstered furniture or mattresses less than 2500 square feet in area.

(17) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.5.1 is amended to read as follows:

903.2.5.1 Group H. An automatic sprinkler system shall be installed throughout buildings containing Group H occupancies.

(18) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.6.1 is deleted.

(19) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.7 is amended to read as follows:

903.2.7 Group M. An automatic sprinkler system shall be provided throughout buildings containing a Group M occupancy where gross floor area exceeds 3000 square feet (279m 2 ).

(20) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.8.1 is amended to read as follows:

903.2.8.1 Group R-3. An automatic sprinkler system installed in accordance with Section 903.3.1.3 shall be permitted in Group R-3 occupancies and shall be provided throughout all one- and two-family dwellings regardless of square footage in accordance with the California Residential Code. An automatic sprinkler system shall be installed in all mobile homes, manufactured homes and multi-family manufactured homes with two or more dwelling units in accordance with Title 25 of the California Code of Regulations.

(21) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.9 is amended to read as follows:

903.2.9 Group S. An automatic sprinkler system shall be provided throughout all buildings containing a Group S occupancy where the gross floor area exceeds 3000 square feet (279m 2 ).

Exceptions:

1. Agricultural and Greenhouse buildings as approved by the fire code official.

2. Detached accessory structures to Group R-3 not classified as a dwelling unit and not exceeding 3,000 square feet (279m 2 ) in gross floor area.

3. Special occupancy aircraft shade structures as approved by the fire code official, unless required in NFPA409.

4. Detached Group S occupancies not greater than 3000 square feet (279m 2 ), or when approved by the Fire Code Official where the entire structure is not to exceed 5500 square feet (510m 2 ).

5. Volunteer Fire Department vehicle storage barn not exceeding 3000 sq. ft. (279m 2 ) or when approved by the Fire Code Official not exceeding 5500 square feet (510m 2 ).

6. Storage of upholstered furniture or mattresses less than 2500 square feet in area.

(22) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.9.1 is deleted.

(23) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.10 is amended to read as follows:

903.2.10 Group B. An automatic sprinkler system shall be provided throughout buildings containing a Group B occupancies where the gross floor area exceeds 3000 square feet (279m 2 ).

(24) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.10.1 is deleted.

(25) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.11 is amended to read as follows:

903.2.11 Specific buildings areas and hazards. In all occupancies other than detached Group U occupancies not greater than 3,000 square feet (279m 2 ), an automatic sprinkler system shall be installed for building design or hazard in the locations set forth in Sections 903.2.11.1 through 903.2.11.9.

(26) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.11.3 exception is deleted.

(27) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.11.7 is added to read as follows:

903.2.11.7 High-piled storage. An automatic sprinkler system shall be provided throughout buildings containing high-pile combustible storage.

(28) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.11.8 is added to read as follows:

903.2.11.8 Undetermined use design. Automatic sprinkler systems installed in buildings or structures of undetermined use shall be designed and installed to have a minimum density of 0.33 gallons per minute per square foot over a minimum design area of 3,000 square feet.

(29) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.2.11.9 is added to read as follows:

903.2.11.9 Elevation of existing buildings. An automatic fire extinguishing system shall be installed throughout all existing buildings when the building is elevated to three or more stories, or more than thirty-five feet (35') in height, from grade to the exposed roof.

Exceptions:

1. An automatic fire-extinguishing system need not be provided when the area above 35 feet (35') is provided for aesthetic purposes only and is a non-habitable space.

2. An automatic fire-extinguishing system need not be provided when existing single-family and two-family dwellings are elevated to comply with the requirements of Chapter 7B of the Sonoma County Code, provided that all of the following conditions are met:

(a) The elevation creates a building no more than three stories in height.

(b) Two approved exits that exit directly to the exterior and one exterior stair leading to the lowest level of fire department access are provided from the highest floor.

(c) Approved interconnected smoke alarms are installed at each floor level and in all sleeping rooms, and hallways adjacent to sleeping rooms.

(d) There is no expansion or modification of use other than installation of the exits required by subparagraph (b) above and a utility room less than 100 square feet. The space created at ground level by the elevation shall be used only as a private parking garage or as unused vacant space.

(e) Any addition exceeding Table 903.6 to the building after the elevation shall require installation of an automatic fire-extinguishing system.

(30) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.4.2 is amended to read as follows:

903.4.2 Alarms. One exterior approved audible or audible visual device, located on the exterior of the building in an approved location, shall be connected to each automatic sprinkler system. Such sprinkler water-flow alarm devices shall be activated by water flow equivalent to the flow of a single sprinkler of the smallest orifice size installed in the system. Where a fire alarm system is installed, actuation of the automatic sprinkler system shall actuate the building fire alarm system.

(31) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 903.6 is added to read as follows:

903.6 Where required in existing buildings and structures. An automatic sprinkler system shall be provided throughout existing buildings and structures where required in Chapter 11 or that undergo a substantial improvement as defined by CBC Chapter 2 in accordance with Table 903.6.

Exception: Alterations made solely for the purpose of providing barrier removal pursuant to the requirements of the American Disabilities Act (ADA) as contained in exception #4 of Section CBC 11B-204.2.

(32) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Table 903.6 is added to read as follows:

TABLE 903.6 EXISTING BUILDINGS AND STRUCTURES

(a) A 2,000 sq. ft. maximum of an increase is allowed.

(b) Maximum cumulative allowable gross floor area is 6,000 sq. ft.

(c) Fire sprinklers are required when additions to Limited Density Owner-Built Rural Dwellings (as described in Sonoma County Code Chapter 7-A) exceed 640 sq. ft. in gross floor area.

(d) Remodels that are greater than 75% of the original gross floor area.

(33) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 905.3.1 is amended to read as follows:

905.3.1 Height. In other than Group R-3 and R-3.1 occupancies, Class III standpipe systems shall be installed throughout at each floor where any of the following occur:

1. Buildings where the floor level of the highest story is located more than 30 feet (9144 mm) above the lowest level of fire department vehicle access.

2. Buildings that are three or more stories in height.

3. Buildings where the floor level of the lowest story is located more than 30 feet (9144 mm) below the highest level of fire department access.

4. Buildings that are two or more stories below the highest level of fire department vehicle access.

Exceptions:

a. Class I standpipes are allowed in buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2.

b. Class I standpipes are allowed in Group B and E occupancies.

c. Class I standpipes are allowed in parking garages.

d. Class I standpipes are allowed in basements equipped throughout with an automatic sprinkler system.

e. Class I standpipes are allowed in buildings where occupant-use hose lines will not be utilized by trained personnel or the fire department.

f. In determining the lowest level of fire department vehicle access, it shall not be required to consider either of the following:

i. Recessed loading docks for four vehicles or less.

ii. Conditions where topography makes access from the fire department vehicle to the building impractical or impossible.

g. When determined by the Fire Code Official a standpipe system is not warranted in three-story buildings.

(34) CCR Title, 24, Part 2, CBC, Volume 1, Chapter 9, Section 912.2 is amended to read as follows:

912.2 Location. With respect to hydrants, driveways, buildings and landscaping, fire department connections shall be so located that fire apparatus and hose connected to supply the system will not obstruct access to the buildings for other fire apparatus. The location of the fire department connections shall be within 100 feet of a fire hydrant or approved by the fire code official.

(35) CCR Title, 24, Part 2, CBC, Volume 2, Chapter 33, Section 3312.3 is added to read as follows:

Section 3312.3 Where Required.

In buildings of combustible construction required to have automatic sprinkler system by Section 903, automatic sprinkler system shall be installed prior to construction exceeding 40 feet in height above the lowest level of fire department vehicle access. Such automatic sprinkler system shall be extended as construction progresses to within one floor of the highest point of construction having secured decking or flooring.

(36) CCR Title, 24, Part 2, CBC, Volume 2, Chapter 33, Section 3312.4 is added to read as follows:

Section 3312.4 Buildings being demolished.

Where a building is being demolished and an automatic sprinkler system is existing within such a building, such automatic sprinkler system shall be maintained in an operable condition so as to be available for use by the fire department. Such automatic sprinkler system shall be demolished with the building but shall not be demolished more than one floor below the floor being demolished.

(37) CCR, Title 24, Part 2, CBC, Volume 2, Appendix P, Section P101.2 is added to read as follows:

P101.2 Application. Notwithstanding any provisions of this Code to the contrary, the following requirements shall apply to emergency housing operated during a shelter crisis, as provided for in Government Code Section 8698 et seq. Other than the specific requirements set forth in this appendix, the facilities need not comply with the requirements of this Code for Group R occupancies unless otherwise specified in this Code.

(38) CCR, Title 24, Part 2, CBC, Volume 2, Appendix P, Section P103.2.1, Exception 2 is added to read as follows:

P103.2.1 New additions, alterations, and change of occupancy. New additions, alterations, and change of occupancy to existing buildings shall comply with the requirements of the California Building Standards Code effective at the time of addition, alteration, or change of occupancy. The requirements shall apply only to and/or within the specific area of the addition, alteration, or change of occupancy.

Exceptions:

1. Existing buildings and structures used for emergency housing and emergency housing facilities may not be required to comply with the California Energy Code, as determined by the enforcing agency.

2. Change in occupancy shall not mandate conformance with new construction requirements set forth in the California Building Standards Code, provided such change in occupancy meets the minimum requirements set forth in this appendix.

(39) CCR, Title 24, Part 2, CBC, Volume 2, Appendix P, Section P103.3, is amended to read as follows:

P103.3 Occupant load. Except as otherwise stated in this appendix, the maximum occupant load allowed in buildings and structures used as emergency housing shall be determined by the enforcing agency, but the interior floor area shall not be less than 53 square feet (4.9 m 2 ) for one occupant. Where more than one person occupies the building/structure, the required floor area shall be increased at the rate of 40 square feet (3.7 m 2 ) for each occupant in excess of one.

Exceptions:

1. Tents.

2. Recreational vehicles and park trailers designed for human habitation that meet the requirements in the Health and Safety Code, Sections 18009.3 and 18010, as applicable.

(40) CCR, Title 24, Part 2, CBC, Volume 2, Appendix P, Section P104.1, is amended to read as follows:

P104.1 General. Emergency sleeping cabins shall have an interior floor area of not less than 53 square feet (4.9 m 2 ) for one occupant. Where more than one person occupies the cabin, the required floor area shall be increased at the rate of 40 square feet (3.7 m 2 ) for each occupant in excess of one. The interior floor area shall not exceed 400 square feet (37 m 2 ), excluding lofts.

(41) CCR, Title 24, Part 2, CBC, Volume 2, Appendix P, Section P106.1, is amended to read as follows:

P106.1 General. Tents shall not be used to house occupants for more than 7 days unless such tents are maintained with tight wooden floors raised at least 4 inches (101.6 mm) above the ground level and are equipped with baseboards on all sides to a height of at least 6 inches (152.4 mm). Tents may be maintained with concrete slabs with the finished surface at least 4 inches (101.6 mm) above grade and equipped with curbs on all sides at least 6 inches (152.4 mm) high.

Membrane structures installed and/or assembled in accordance with Chapter 31 of this code, may be permitted to be used as emergency housing and emergency housing facilities, as determined by the enforcing agency.

(42) CCR, Title 24, Part 2, CBC, Volume 2, Appendix P, Section P110.3, is amended to read as follows:

P110.3 Toilet and bathing facilities. When dependent units are used as emergency housing, the emergency housing site shall be provided with one toilet and one bathing facility for every 15 occupants of each gender. The enforcing agency may permit different types and ratios of toilet and bathing facilities. The approval shall be based upon a finding that the type and ratio of toilet and bathing facilities are sufficient to process the anticipated volume of sewage and waste water, while maintaining sanitary conditions for the occupants of the emergency housing.

Bathing facilities shall be provided with heating equipment which shall be capable of maintaining a temperature of 70 degrees F (21.0 degrees Celsius) within such facilities.

Lavatories with running water shall be installed and maintained in the toilet facilities or adjacent to the toilet facilities. This can include foot-pumped water at hand washing stations that are properly maintained.

(43) CCR, Title 24, Part 2, CBC, Volume 2, Appendix P, Section P111, is added to read as follows:

SECTION P111 ALTERNATIVES AND MODIFICATIONS

P111.1 Alternatives and modifications. Alternative compliance and/or modifications that are reasonably equivalent to the requirements in this appendix may be granted by the Authority Having Jurisdiction in individual cases when dealing with buildings or structures used for emergency housing.

(D) California Residential Code amendments.

(1) CCR, Title 24, Part 2.5, CRC, Chapter 1, Division I, Section 1.1.3.1.1 of the California Residential Code is amended to read as follows:

1.1.3.1.1 Utility and Miscellaneous Group U.

Buildings and structures of an accessory character and miscellaneous structures not classified in any specific occupancy shall be constructed, equipped and maintained to conform to the requirements of this code commensurate with the fire and life hazard incidental to their occupancy. Group U shall include, but not be limited to the following:

Agricultural buildings

Aircraft hangars accessory to a one or two-family residence (See Section 412.5 of the California Building Code)

Barns

Carports

Fences more than 6 feet high

Grain silos accessory to a residential occupancy

Greenhouses

Livestock shelters

Private garages

Private riding arenas accessory to a one- or two-family residence

Retaining walls

Sheds

Storage building accessory to a one- or two-family residence

Stables

Tanks

Towers

(2) CCR, Title 24, Part 2.5, CRC, Chapter 3, Section R309.6, Exception is deleted.

(3) CCR, Title 24, Part 2.5, CRC, Chapter 3, Section R313.1 is amended to read as follows:

R313.1 Townhouse automatic fire sprinkler systems. An automatic residential fire sprinkler system shall be installed in townhouses and multi-family manufactured homes with two or more dwelling units in accordance with Title 25 of the California Code of Regulations.

Exceptions:

(a) Detached accessory structures to Group R-3 not classified as a dwelling unit and not exceeding 3,000 square feet in gross floor area, unless otherwise approved by the fire code official.

(b) Detached Group U Occupancies not greater than 3,000 square feet, unless otherwise approved by the fire code official.

(4) CCR, Title 24, Part 2.5, CRC, Chapter 3, Section R313.1.2 is added to read as follows:

R313.1.2 Substantial improvement. An automatic fire sprinkler system shall be provided throughout all townhouses that undergo a substantial improvement when required pursuant to Sonoma County Code Section 7-13(B)(32) Table 903.6.

(5) CCR, Title 24, Part 2.5, CRC, Chapter 3, Section R313.2 is amended to read as follows, with the exception deleted:

R313.2 One- and two-family dwellings automatic fire sprinkler systems. An automatic residential fire sprinkler system shall be installed in townhouses. Group R-3 occupancies permitted under this code shall be provided throughout regardless of square footage with an automatic sprinkler system inclusive of all mobile homes, manufactured homes and multi-family manufactured homes with two or more dwelling units in accordance with Title 25 of the California Code of Regulations.

Exception:

(a) Accessory Dwelling Unit, provided that all of the following are met:

a.1.

The unit meets the definition of an Accessory Dwelling Unit as defined in the Government Code Section 65852.2.

a.2.

The existing primary residence does not have automatic fire sprinklers.

a.3.

The accessory detached dwelling unit does not exceed 1,200 square feet in size.

a.4.

The unit is on the same lot as the primary residence.

a.5.

The accessory dwelling unit is not attached to garages or has habitable space above carports.

a.6.

The accessory dwelling unit meets the requirements of California Fire Code, Sections 503.1.1 and 507.5.1, Or the Sonoma County Fire Safe Standards for access and setbacks.

(b) Detached accessory structures to Group R-3 not classified as a dwelling unit and not exceeding 3,000 square feetin gross floor area, unless otherwise approved by the fire code official.

(c) Detached Group U Occupancies not greater than 3,000 square feet, unless otherwise approved by the fire code official.

(6) CCR, Title 24, Part 2.5, CRC, Chapter 3, Section R322.1.6 is amended to read as follows:

R322.1.6 Flood Damage Protection.

See Sonoma County Code Chapter 7B-11A for Flood Damage Protection.

(7) CCR Title, 24, Part 2.5, CRC, Volume 1, Chapter 3, Section 337.1.3 is amended to read as follows:

337.1.3 Application. Buildings located in any Fire Severity Zone or any Wildland-Urban Interface Zone designated by the enforcing agency constructed, altered, moved, repaired or maintained 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. Additions to and remodels of buildings originally constructed prior to the application date.

3. Group C, Special buildings conforming to the limitations specified in section 450.4.1 of the California building Code.

4. Agricultural exempt structures as defined in Chapter 7 of the Sonoma County Building Code when greater than 60 feet from property lines and other applicable structures. For the purposes of this section and section 337.10, applicable building include all buildings that have residential, commercial, educational, institutional, or similar occupancy type use.

(8) CCR, Title 24, Part 2.5, CRC, Chapter 4, Section R403.1.6 is amended to read as follows:

R403.1.6 Foundation anchorage. Wood sill plates and wood walls supported directly on continuous foundations shall be anchored to the foundation in accordance with this section.

Cold-formed steel framing shall be anchored directly to the foundation or fastened to wood sill plates in accordance with Section R505.3.1 or R603.3.1, as applicable. Wood sill plates supporting cold-formed steel framing shall be anchored to the foundation in accordance with this section.

Wood sole plates at all exterior walls on monolithic slabs, wood sole plates of braced wall panels at building interiors on monolithic slabs and all wood sill plates shall be anchored to the foundation with minimum '/2-inch- diameter (12.7 mm) anchor bolts spaced not greater than 6 feet (1829 mm) on center or approved anchors or anchor straps spaced as required to provide equivalent anchorage to V2-inch-diameter (12.7 mm) anchor bolts. Bolts shall extend not less than 7 inches (178 mm) into concrete or grouted cells of concrete masonry units. The bolts shall be located in the middle third of the width of the plate. A nut and washer shall be tightened on each anchor bolt. There shall be not fewer than two bolts per plate section with one bolt located not more than 12 inches (305 mm) or less than seven bolt diameters from each end of the plate section. Interior bearing wall sole plates on monolithic slab foundation that are not part of a braced wall panel shall be positively anchored with approved fasteners. Sill plates and sole plates shall be protected against decay and termites where required by Sections R317 and R318.

Exceptions:

1. Walls 24 inches (610 mm) total length or shorter connecting offset braced wall panels shall be anchored to the foundation with not fewer than one anchor bolt located in the center third of the plate section and shall be attached to adjacent braced wall panels at corners as shown in Item 9 of Table R602.3(l).

2. Connection of walls 12 inches (305 mm) total length or shorter connecting offset braced wall panels to the foundation without anchor bolts shall be permitted. The wall shall be attached to adjacent braced wall panels at corners as shown in Item 9 of Table R602.3(l).

(9) CCR, Title 24, Part 2, CRC, Appendix AZ, Section AZ101.2 is added to read as follows:

AZ101.2 Application. Notwithstanding any provisions of this Code to the contrary, the following requirements shall apply to emergency housing operated during a shelter crisis, as provided for in Government Code Section 8698 et seq. Other than the specific requirements set forth in this appendix, the facilities need not comply with the requirements of this Code for Group R occupancies unless otherwise specified in this Code.

(10) CCR, Title 24, Part 2, CRC, Appendix AZ, Section AZ103.2.1, Exception 2 is added to read as follows:

AZ103.2.1 New additions, alterations, and change of occupancy. New additions, alterations, and change of occupancy to existing buildings shall comply with the requirements of the California Building Standards Code effective at the time of addition, alteration, or change of occupancy. The requirements shall apply only to and/or within the specific area of the addition, alteration, or change of occupancy.

Exceptions:

1. Existing buildings and structures used for emergency housing and emergency housing facilities may not be required to comply with the California Energy Code, as determined by the enforcing agency.

2. Change in occupancy shall not mandate conformance with new construction requirements set forth in the California Building Standards Code, provided such change in occupancy meets the minimum requirements set forth in this appendix.

(11) CCR, Title 24, Part 2, CRC, Appendix AZ, Section AZ103.3, is amended to read as follows:

AZ103.3 Occupant load. Except as otherwise stated in this appendix, the maximum occupant load allowed in buildings and structures used as emergency housing shall be determined by the enforcing agency, but the interior floor area shall not be less than 53 square feet (4.9 m 2 ) for one occupant. Where more than one person occupies the building/structure, the required floor area shall be increased at the rate of 40 square feet (3.7 m 2 ) for each occupant in excess of one.

Exceptions:

1. Tents.

2. Recreational vehicles and park trailers designed for human habitation that meet the requirements in the Health and Safety Code, Sections 18009.3 and 18010, as applicable.

(12) CCR, Title 24, Part 2, CRC, Appendix AZ, Section AZ104.1, is amended to read as follows:

AZ104.1 General. Emergency sleeping cabins shall have an interior floor area of not less than 53 square feet (4.9 m 2 ) for one occupant. Where more than one person occupies the cabin, the required floor area shall be increased at the rate of 40 square feet (3.7 m 2 ) for each occupant in excess of one. The interior floor area shall not exceed 400 square feet (37 m 2 ), excluding lofts.

(13) CCR, Title 24, Part 2, CRC, Appendix AZ, Section AZ106.1, is amended to read as follows:

AZ106.1 General. Tents shall not be used to house occupants for more than 7 days unless such tents are maintained with tight wooden floors raised at least 4 inches (101.6 mm) above the ground level and are equipped with baseboards on all sides to a height of at least 6 inches (152.4 mm). Tents may be maintained with concrete slabs with the finished surface at least 4 inches (101.6 mm) above grade and equipped with curbs on all sides at least 6 inches (152.4 mm) high.

Membrane structures installed and/or assembled in accordance with Chapter 31 of this code, may be permitted to be used as emergency housing and emergency housing facilities, as determined by the enforcing agency.

(14) CCR, Title 24, Part 2, CRC, Appendix AZ, Section AZ110.3, is amended to read as follows:

AZ110.3 Toilet and bathing facilities. When dependent units are used as emergency housing, the emergency housing site shall be provided with one toilet and one bathing facility for every 15 occupants of each gender. The enforcing agency may permit different types and ratios of toilet and bathing facilities. The approval shall be based upon a finding that the type and ratio of toilet and bathing facilities are sufficient to process the anticipated volume of sewage and wastewater, while maintaining sanitary conditions for the occupants of the emergency housing.

Bathing facilities shall be provided with heating equipment which shall be capable of maintaining a temperature of 70 degrees F (21.0 degrees Celsius) within such facilities.

Lavatories with running water shall be installed and maintained in the toilet facilities or adjacent to the toilet facilities. This can include foot-pumped water at hand washing stations that are properly maintained.

(15) CCR, Title 24, Part 2, CRC, Appendix AZ, Section AZ111, is added to read as follows:

SECTION AZ111

ALTERNATIVES AND MODIFICATIONS

AZ111.1 Alternatives and modifications. Alternative compliance and/or modifications that are reasonably equivalent to the requirements in this appendix may be granted by the Authority Having Jurisdiction in individual cases when dealing with buildings or structures used for emergency housing.

(E) California Plumbing Code amendments.

(1) CCR Title 24, Part 5, CPC, Chapter 7, Section 713.8 is amended to read as follows:

713.8 Toilets Required. Every dwelling or other building or place where persons congregate, reside or are employed shall be provided with an adequate number of waterless toilets or water flush toilets connected to a sewage disposal system which shall consist of a public sewer connection or a septic tank and a system of underground drains for the disposal of the tank effluent, or other systems approved by the chief building official. Such system shall be constructed to meet the requirements of construction and maintenance provided in this chapter and the codes adopted hereby.

(F) California Existing Building Code amendments.

(1) CCR Title 24, Part 10, CEBC, Chapter 4, Section 405.2.7 is added to read as follows:

405.2.7 Seismic Design and Evaluation Procedures. Seismic design and evaluation procedures shall conform to the provisions of this chapter and Chapter 1, Section 101.5.4 of the 2015 International Existing Building Code.

(2) CCR Title 24, Part 10, CEBC, Title 24, Chapter 4, Section 405.2.8 is added to read:

405.2.8 Wind Design. Wind design of existing buildings shall be based on the procedures specified in the CBC.

(3) CCR Title 24, Part 10, CEBC, Title 24, Chapter 4, Section 405.2.9 is added to read:

405.2.9 Unsafe Conditions. Regardless of the extent of the structural damage, unsafe conditions shall be eliminated.

(G) California Green Building Standards Code

(1) CCR Title 24, Part 11, California Green Building Standards Code, Chapter 4, Section 2 is amended to add the following definition:

All-Electric Dwelling. A primary or accessory dwelling that uses electricity as the source of energy for its space heating, water heating, pool and spa systems, cooking appliances, clothes drying appliance and decorative appliances, and has no natural gas or propane plumbing installed within the building or within the building's property lines. All-Electric Buildings may include solar thermal pool heating.

(2) CCR Title 24, Part 11, California Green Building Standards Code, Chapter 4, Section 4.509 is added to read as follows:

SECTION 4.509

ALL ELECTRIC DWELLINGS

4.509.1 All-Electric Dwelling

Newly constructed single family residential dwellings, including accessory dwelling units, shall be designed and constructed as an all-electric dwelling.

Exceptions:

1. Dwellings meeting CEC section 150.1(c)(14) exception 1 or exception 2.

2. Natural gas or propane cooking appliances.

3. Fossil fuel generators.

4. Accessory Dwelling Units that are attached to the primary dwelling unit, if the existing primary dwelling unit uses mixed fuel for space and water heating and the ADU services will be provided by the existing mixed fuel system.

4.509.2 Future Improvements

For single family residential dwellings subject to section 4.509.1, subsequent improvements, additions, remodels, repairs or similar work shall be consistent with 4.509.1 and the exceptions.

(H) Class A Roof Assemblies.

(1) Roof Covering Assembly on Specified Structures. Notwithstanding any other provision of this code, the roof-covering assembly on the following structures regulated by this code shall be a Class A roof-covering assembly as classified in subsection (3).

(a) Any new structure regulated by this code;

(b) Any existing structure regulated by this code when more than fifty percent (50%) of the roof area of the structure is re-roofed;

(c) Any addition regulated by this code when the addition creates a new roof and the floor area of any single floor of the addition exceeds six hundred forty (640) square feet.

(2) Roof-covering Assembly. The roof-covering assembly includes the roof deck, underlayment, interlayment, insulation and covering which is assigned to a roof-covering classification.

(3) Class A roof assemblies are those that are effective against severe fire test exposure. Class A roof assemblies and roof coverings shall be listed and identified as Class A by an approved testing agency. Class A roof assemblies shall be permitted for use in buildings or structures of all types of construction.

Exceptions:

(a) Class A roof assemblies include those with coverings of brick, masonry or an exposed concrete roof deck.

(b) Class A roof assemblies also include ferrous or copper shingles or sheets, metal sheets and shingles, clay or concrete roof tile or slate installed on noncombustible decks or ferrous, copper or metal sheets installed without a roof deck on noncombustible framing.

(c) Class A roof assemblies include minimum 16 ounce per square foot (0.0416 kg/m 2 ) copper sheets installed over combustible decks.

(d) Class A roof assemblies include slate installed over ASTM D226, Type II underlayment over combustible decks.

(4) The following types of structures are exempt from this requirement:

(a) Greenhouses.

(b) Patio covers.

(c) Fabric membrane structures when the fabric is certified as "flame retardant" by the State Fire Marshall.

(d) Residential vehicle covers.

(e) Awnings.

(f) Sod roofs.

(g) Agricultural Exempt Structures that comply with Sonoma County Code Section 7-7.

(h) Agricultural Buildings not subject to the California Fire Code or not subject to the Sonoma County Code Chapter 13 as determined by the County's Fire Marshall.

(I) Electrical Vehicle Infrastructure Training Program.

(1) All electric vehicle charging infrastructure and equipment located on the customer side of the electric meter funded or authorized, in whole or in part, by the County of Sonoma shall be installed by a contractor with the appropriate license classification, as determined by the Contractors' State License Board, and at least one electrician on each crew, at any given time, who holds an Electric Vehicle Infrastructure Training Program certification

(2) All electric vehicle charging infrastructure and equipment located on the customer side of the electric meter funded or authorized, in whole or in part, by the County of Sonoma that install a charging port supplying 25 kilowatts or more to a vehicle shall have at least 25% of the total electricians working on the crew for the project, at any given time, who hold Electric Vehicle Infrastructure Training Program certification.

(Ord. No. 6395, § I, 12-6-2022; Ord. No. 6324, § II, 9-15-2020; Ord. No. 6295, § I, 12-2-2019; Ord. No. 6185, § I(c), 11-15-2016; Ord. No. 6135, §§ I(a), (b), 10-20-2015; Ord. No. 6048, § I(d), 11-5-2013; Ord. No. 5904, § I, 11-2-2010; Ord. 5754, § 1(l), 2007; Ord. No. 5666, § 1(a)—(b), 2006; Ord. No. 5603, § 1(a), 2005; Ord. No. 5402, § 1, 2003; Ord. No. 5374, § 1(a), 2002; Ord. No. 5167, § 1(i), 1999; Ord. No. 5086, § 1, 1997; Ord. No. 4959, §§ 1, 2, 1996; Ord. No. 4941, § 4, 1996; Ord. No. 4906, § 3 (part), 1995.)

(a) State of California Health and Safety Code Division 13, Part 2, Part 2.1 and Part 2.2 and State of California Administrative Code Title 25, relating to the administration, construction, maintenance, use and occupancy of mobile homes, located on parcels of land other than in mobile home parks. Except for those obligations imposed upon the public health officer, the permit and resource management department is charged with the administrative of the aforementioned regulations with the unincorporated areas of the county of Sonoma.

(b) State of California Health and Safety Code Division 22, Chapter 4. (c) State of California Health and Safety Code Division 13, Part 2.3 and State of California Administrative Code Title 17, Sections 30700-30751.

(d) State of California Health and Safety Code Division 20, Chapter 1, Health and Safety of Bathers and State of California Administrative Code Title 17, Sections 7774-7833.

(e) State of California Health and Safety Code Division 5, Chapter 7, Water and Water Systems.

(f) State of California Administrative Code, Title 17, Sections 13650-13693, Roadside Stand Regulations.

(g) State of California Administrative Code, Title 24, Part 1, 2, 3, 5, 6 and 8.

(Ord. No. 4906, § 3 (part), 1995.)

All new or relocated structures requiring a building permit or an agricultural exemption shall be set back from streams, as measured from the toe of the stream bank outward, a distance of two and one-half (2.5) times the height of the stream bank plus thirty (30) feet, or thirty (30) feet outward from the top of the stream bank, whichever distance is greater, unless a greater distance is established in the general plan, local coastal program, and/or zoning code. If the top of the stream bank cannot be determined by visual analysis, it shall be determined by hydraulic analysis as the water surface elevation for the 100 year event plus one and one-half (1.5) feet. Stream bank height is the change in elevation from the top of bank and the lowest toe of bank.

(a) An exception to the entire set back restriction may be allowed for (i) projects sponsored by a public agency or resource conservation district where there is a clear benefit to the community or environment; and (ii) projects related to elevating existing structures per federal flood regulations which maintain the existing building footprint.

(b) Exceptions. An exception to the 30-feet portion may be approved by the chief building official if one or more of the following criteria apply:

(1) Constructability. The stream setback makes the lot unbuildable for the primary use of the base planning district.

(2) Minor Expansion. The proposed development involves a one-time minor expansion of an existing structure. The footprint of a minor expansion shall not exceed twenty-five percent (25%) of the existing structure by area, and shall not expand in a direction toward, or closer to, any stream.

(3) Vertical Expansion. The proposed development involves expansion in the vertical direction with the expansion of a second story that is within the existing building footprint and does not exceed zoning requirements for overall height restrictions.

(4) Existing Structures. The proposed development involves only the maintenance or remodeling of an existing structure or a nonstructural use. The rebuild of an existing structure is allowed as long as it is within the existing building footprint, or such that the rebuilt structure is not an expansion of the existing structure and it is constructed further away from the creek.

(c) Stream bank restoration or stabilization. The proposed development involves the restoration or stabilization of a stream bank. Exception provisions. An exception may be approved by the Building Official if the following provisions are met:

(1) Minimize disturbance. The removal of the natural vegetation is minimized or compensated by planting of natural vegetation within the setback.

(2) Riparian function. The applicant demonstrates that the encroachment into the setback area will be accomplished with a minimum damage to the riparian functions and no reasonable alternative exists.

(3) Soils report. The applicant submits a soils report that is acceptable to the building official. The soils report shall address the soil stability relative to the foundation of the proposed development and relative to the potential destabilizing effect the stream may or may not have on the proposed development.

(Ord. No. 6048, § I(e), 11-5-2013; Ord. No. 5904, § I, 11-2-2010; Ord. No. 5891, § 4, 12-9-2008.)

(a) For purposes of this section, "private swimming pool" shall include any structure, whether in-ground or above-ground, designed or used for swimming or recreational bathing that contains water in excess of eighteen (18) inches. For purposes of this section, "private swimming pool" shall not include:

(1) Swimming pools operated for the use of the general public with or without charge, or for the use of the members and guests of a private club, unless such pool is located on the grounds of a private single-family home;

(2) Hot tubs or spas with locking safety covers that comply with the American Society for Testing Materials - Emergency Performance Specification (ASTM-ES 13-89 and ASTM-ES 13-91);

(3) Swimming pools located at an apartment complex or any residential setting other than a single-family home; and

(4) Swimming pools located at any facility regulated by the State Department of Social Services even if the facility is also used as the private residence of the operator.

(b) No building permit shall be issued for any private swimming pool, except in compliance with this section and Article 2.5 of Chapter 5 of Part 10 of Division 104 of the California Health and Safety Code (commencing with Section 115920 of the California Health and Safety Code), and further providing that:

(1) If the pool is equipped with a power-operated safety pool cover pursuant to California Health and Safety Code Section 115922(b), the control for the pool cover shall be mounted at least sixty (60) inches above grade or above the floor; and

(2) If doors providing direct access from the home to the pool are equipped with exit alarms pursuant to California Health and Safety Code Section 115922(c), the exit alarms shall produce sounds at or exceeding sound pressure of eighty (80) DB at ten (10) feet distance from the alarm emitter.

(c) Private swimming pools constructed prior to June 1, 1998, shall be equipped with at least one of the following safety features:

(1) The pool is isolated from access to a home by an enclosure that has all of the following characteristics:

(A) Any access gates through the enclosure open away from the swimming pool, and are self-closing with a self-latching device placed no lower than sixty (60) inches above the ground;

(B) A minimum height of sixty (60″) inches;

(C) A maximum vertical clearance from the ground to the bottom of the enclosure of two (2″) inches;

(D) Gaps or voids, if any, do not allow passage of a sphere equal to or greater than four (4″) inches in diameter; and

(E) An outside surface free of protrusions, cavities or other physical characteristics that would serve as handholds or footholds that could enable a child below the age of five (5) years to climb over.

(2) The pool is equipped with a manually or power-operated safety pool cover that meets all of the performance standards of the American Society for Testing and Materials (ASTM), in compliance with standard F1346-91. If the safety, pool cover is electrically operated, the control for the pool cover shall be mounted at least sixty inches (60″) above grade or above the floor;

(3) All doors providing direct access from the home to the pool are equipped with exit alarms, either battery operated or connected to the electrical wiring of the residence, that make audible, continuous alarm sounds when the door is opened or left ajar. The exit alarms shall produce sounds at or exceeding sound pressure of eighty (80) DB at ten feet (10′) distance from the alarm emitter;

(4) All doors providing direct access from the home to the pool are equipped with a self-closing, self-latching device with a release mechanism placed no lower than fifty-four (54″) inches above the floor; or

(5) Other means of protection, if the degree of protection afforded is equal to or greater than that afforded by any of the devices set forth in subdivisions (1) through (4), inclusive, of this subsection, as determined by the building official.

(d) Applications for building permits for the construction of private swimming pools shall show compliance with the requirements established by subsection (b) and with following:

(1) All plans submitted to the county for private swimming pools shall include a plot plan. Pool plans, specifications and design calculations shall be prepared by a civil or structural engineer, licensed to practice in the state of California.

(2) Soil around the private swimming pool shall slope away from the pool to prevent surface waters from draining into the pool and to prevent ponding, or a drainage system shall be provided to collect surface water.

(3) Drywells shall be ten feet, ten inches (10′ 10″) minimum in depth. The drywell must be lined with masonry, having solid mortar joints to a point two feet, zero inches (2′ 0″) below the bottom of the swimming pool. Alternate methods of waste water disposal may be approved by the county public health officer.

(4) For private swimming pool design and construction, soils in Sonoma County shall be assumed to be expansive unless the owner can show by actual soil tests, performed by a recognized soil testing laboratory, that the soils are not expansive.

(5) Additional design criteria for private swimming pools may include, but not necessarily be limited to, consideration of geologic, geographic and topographic features of a pool site, groundwater, soil conditions, performance standards and maintenance requirements. The building official may require whatever information he deems necessary to satisfy himself that a pool design protects the public health and safety.

(6) Final inspection, approval and use of all new, repaired or remodeled private swimming pools shall be withheld until all of the above requirements have been met.

(Ord. No. 5167 § 1(j), 1999; Ord. No. 5102 § 1, 1998: Ord. No. 4906 § 3 (part), 1995.)

(a) Signs and outdoor advertising structures erected or constructed shall conform to all zoning regulations, department of transportation and public works requirements and be structurally designed and constructed to comply with the California Building Code for resisting wind, gravity and seismic forces.

(b) Political campaign signs shall be, if approved by the permit and resource management department for a limited period, exempt from meeting the requirements of the above unless it is determined by the building official that they pose a threat to life or limb.

(Ord. No. 5167 § 1(k), 1999; Ord. No. 4906 § 3 (part), 1995.)

(a) Purpose. The purpose of this section is to provide minimum standards to safeguard life or limb, health, property and public welfare by regulating the design, construction, quality of materials, use and occupancy, location and maintenance of all floating homes and floating home moorages within the county of Sonoma.

(b) Scope. The provisions of this section shall apply to the construction, alteration, repair, demolition, removal, relocation of berthing of any floating home within the county, and to the requirements for floating home sites and floating home moorages together with appurtenant structures and facilities as regulated herein.

(c) Application to Existing Floating Homes and Moorages. Floating homes and floating home moorages in existence prior to the effective date hereof shall be examined by the building official and health officer and shall comply with the requirements for new floating homes, new floating home sites and new floating home moorages as provided in this part, it being expressly found and determined that the public health and safety require and justify the retrospective application of all the provisions contained in this section; provided, however, that the building official may grant an exception to strict compliance with specifications in the building code if he/she finds and determines a floating home which is in existence prior to the effective date thereof does not by reason of a violation of said code, adversely affect the public health, safety and welfare, and that said floating home otherwise complies with the requirements of this section.

(d) Application to Moorage Occupancies other than Floating Homes. Moorage structures, floatable or otherwise, and occupied or intended to be occupied for purposes other than as a floating home shall conform with the applicable requirements of this section with respect to flotation, compartmentation, construction sanitation, sewage disposal, plumbing, electrical and other utility systems, open spaces, fire protection, movement or relocation, certificate of occupancy and to the requirements of such uses or occupancies as are administered and enforced by the health officer and building official.

(e) Definitions. The following definitions apply to the words and phrases of this section, unless the context clearly indicates otherwise.

(1) "Berth" or "moor" means the fixing of a floating home by anchoring or being at an approved floating home site. Berth or moor shall not include intentional grounding, beaching or placement on piles, wharves, docks or other permanently fixed supports except as may be permitted in emergencies or for making required repairs.

(2) Floating Homes. A "floating home" is any building supported by means of flotation with one hundred percent (100%) flotation occurring at all times, designed to be used without a permanent foundation, used, intended or designed to be built, used, rented, leased, let or hired out to be occupied, or which is occupied for living purposes by one family with facilities for living, sleeping, cooking and eating. Any such building used or intended to be used, as a dwelling for more than one family is prohibited with the county. The term "floating home" shall include "houseboat" or "ark" but shall not include any vessel designed or used primarily for commercial and recreational purposes. Floating homes are not permitted in designated flood hazard zones.

(3) "Floating home moorage" means a waterfront facility for the moorage of one (1) or more floating homes, and the land and water premises on which such facility is located. Moorage must provide flotation at all times.

(4) Floating Home Site. A "floating home site" is a part of a floating home moorage located over water and designed to accommodate one (1) floating home.

(5) "Garbage" means all discarded putrescible waste matter and all discardable rubbish but not including sewage or human or animal excrement.

(6) "Health officer" means health officer of the county of Sonoma or his authorized representative assigned to the county of Sonoma.

(7) Nuisance. "Nuisance" includes:

(i) Any public nuisance known at common law or in equity jurisprudence;

(ii) Whatever is dangerous to human life or is detrimental to health;

(iii) Overcrowding a room with occupants;

(iv) Insufficient ventilation or illumination;

(v) Inadequate or unsanitary sewage or plumbing facilities;

(vi) A floating home moored in an area that does not provide flotation at all times;

(vii) Any of those items with exception to foundations described as a nuisance in Chapter 7 of the code of the county of Sonoma and the Uniform Housing Code.

(8) Person. The term "person" shall include any person, firm, association, corporation or any members, agents or employees of any of the foregoing.

(9) Sewage. The term "sewage" means any and all waste substance, liquid or solid, associating with human habitation, whether or not it contains human or animal excreta or excrement, offal or any feculent matter.

(10) Story. "Story" is the portion of a floating home between the upper surface of the deck or ceiling next above.

(11) Superstructure. "Superstructure" is that portion of a floating home above the lowest deck or the level of flotation.

(12) Transient Vessel. The term "transient vessel" shall mean any vessel temporarily moored in the county of Sonoma which is occupied for a period of less than four (4) consecutive days or ten (10) days in any calendar month.

(13) Vessel. The term "vessel" means any watercraft of any type or size, including but not limited to barges, ferry boats, arks, yachts, houseboats, floating homes and rafts.

(14) Waterway. The term "waterway" means any water, waterway, lake, river, creek, canal, lagoon, bay, inlet, slough, tributary or arm of the sea situated within or bounding the county of Sonoma.

(f) Movement or Relocation of Floating Homes. Floating homes proposed to be moved into the county or proposed to be moved from one moorage site to another moorage site within the county shall comply with the requirements of this section pertaining to new floating homes.

No floating home shall be moved or relocated unless relocation permit has been issued by the permit and resource management department.

No floating home shall be moved into or relocated within the county if, after inspection and investigation by the building official, it is found to be dilapidated, unseaworthy or otherwise substandard to such an extent that it would be impractical to repair, improve or rehabilitate said floating home in accordance with the requirements of this section for new floating homes.

The building official shall not issue a permit to move or relocate a floating home until the site plan has received approval from the fire chief, the health officer, the director of permit and resource management department, or their duly authorized staff.

The fee for relocation permit is fifty-three dollars ($53.00) or as set by ordinance by the board of supervisors.

(g) Requirements For and Location of Moorages.

(1) Moorage, Register of Ownership of Floating Homes. Every owner or operator of a floating home moorage shall maintain a current register of every floating home moored on the premises under his control, such register to record the name and address of the legal owner of each floating home. A copy of said register shall be available on request to the building official.

(2) Moorage Location. Floating homes shall be berthed or moored in a marina, harbor or similar facility conforming to the requirements of this section and allocated on privately owned or privately controlled property. Moorages shall be located in any waterway or fairway, or in the public waters of any street or street end.

(3) Moorage Site Plan. Three (3) copies of a moorage site plan drawn to scale and fully dimensioned shall be submitted by the owner of said moorage to the building official for approval. The moorage plan shall include the following de-tails.

(i) Name and address of an owner or operator;

(ii) Address and legal description of the property on which moorage is located;

(iii) The dimensions of the floating home moorage site;

(iv) The location of abutting public waterways;

(v) The location and dimensions of private waterways and land access to the moorage;

(vi) The location and identification of individual floating home sites;

(vii) The location and dimension of off-street parking spaces;

(viii) The location and dimensions of walkways and any accessory structures or facilities;

(ix) The water service system;

(x) The fire protection system;

(xi) The electrical service and lighting system;

(xii) The complete sewage system including main sewer and side sewers serving each floating homesite.

(h) Regulations for the Construction, Repair, Maintenance, Use and Occupancy of Floating Homes. The rules and regulations applicable to floating homes shall be all those rules, regulations, procedures and fee schedules as determined by the board of supervisors except as modified herein and/or herein provided.

(i) Material. All material, such as decking, siding and subflooring which is subjected to moisture or water splash shall be of a type not adversely affected by moisture, or shall be treated.

(j) Construction. Flooring, wall and flotation shall be designed and constructed by use of diaphragm walls in such a manner that the superstructure acts as an independent unit and is not adversely affected by point reactions under the flotation.

(k) Ramps or horizontal entrance ways. Ramps shall be not less than thirty-six inches (36″ in width, exclusive of required handrails which shall not reduce the width more than three inches (3″).

Ramps or horizontal exits, other than mooring docks, shall be provided with two handrails or guard railings. Railings and guardrails shall meet the requirements of the California Building Code. Private ramps or horizontal exits shall be capable of carrying a live load in accordance with the following schedule.

Ramp design shall also include dead load. Minimum framing members shall be two inch by four inch (2″ × 4″) if constructed of wood.

All ramps and horizontal exits shall have exit illumination with minimum intensity of one foot candle at floor level of entry or one-tenth (1/10) foot candle on walkways or ramps. Alternate materials and methods of construction may be allowed as provided in the Sonoma County Code.

(l) Inboard Sewerage Device. A sewage receiving tank and ejector device must be installed aboard every floating home. Said device shall consist of a tank with a liquid capacity not less than thirty (30) gallons, nor more than forty (40) gallons, and shall be equipped with a two inch outlet and a one-half h.p. pump. Said device must connect to the local sewerage lateral system, when the floating home is moored in the waters within, adjoining or encompassed in the county of Sonoma.

(m) Water Distribution. Water shall not be piped to supply floating homes through flexible hose unless the hose is a high-pressure type terminating in approved connectors and is preceded by an approved backflow prevention device. No hose shall be immersed in water or run exposed on docks, piers, etc. Length of hose shall not be excessive.

(n) Fuel-Gas Piping. All gas piping installed in floating homes shall be made with approved high-pressure hose and terminate in approved positive disconnect couplings. Gas hoses shall not be immersed in water or run exposed on docks, piers or floating homes. Length of hose shall not be excessive.

(o) A wiring system shall be nominally rated 115-230 volts, 3 wire AC, with a grounded neutral supplemented with a No. 6 minimum (or the equivalent) equipment ground conductor as an integral part of a cable assembly connected to a grounding electrode on the shore facilities while providing a minimum of one hundred (100) amperes to the houseboat, shall be provided for in all floating homes.

(p) Power Supply. Service equipment shall be located adjacent to the floating home and may not be mounted in or on the floating home.

The power supply to the floating home shall be comprised of feeder circuits consisting of not more than two floating home supply cords, each rated fifty (50) amperes minimum. Larger cords or permanently installed circuits may be used if desired.

(q) Supply Cord. Each floating home supply cord shall be approved and have four conductors, one of which shall be identified by a continuous green color with a yellow stripe. The attachment plug, connectors and mating receptacles shall be 3-pole, 4-wire grounding types covered by American Standard C-73 attachment plug and receptacles. The power supply cord shall be permanently attached to the distribution panel. A suitable clamp or equivalent shall be provided at the distribution panel to afford strain relief for the cord in order to prevent strain at the terminals. The length of power supply cord shall not be excessive.

(r) Second Supply Cord. Where a second fifty (50)-ampere floating home supply cord is installed, the two (2) cords shall not be interconnected on either the line side or the load side except that the grounding circuits and grounding means shall be electrically interconnected.

(s) Disconnection Means. Disconnecting means shall be provided in each floating home by approved service entrance equipment, consisting of circuit breakers, or a switch and fuses, and their accessories installed in a readily accessible location near the point the supply cord or conductors enter the floating home. This equipment shall contain a solderless type of grounding connector or bar with sufficient terminals for all grounding conductors. The neutral bar termination of the grounded circuit conductors shall be insulated. The disconnecting equipment shall have a rating suitable for the connected load.

Where two (2) power supply cords are installed disconnecting means shall be provided for each cord but may be combined in single equipment without electrical interconnections other than for grounding purposes. Branch circuit equipment may be combined with the disconnecting means as a single assembly, and designed as a distribution panel. Plug fuses and fuse holders shall be tamper-resistant, type "S," enclosed in dead front panels.

(t) Wiring Exposed to Weather. If outdoor wiring is exposed to moisture or physical damage, it shall be protected by rigid metal conduit, rigid nonmetallic conduit or liquid-tight flexible metal conduit.

(u) Grounding. Grounding of electrical and nonelectrical metal parts in a floating home shall be effected through connection to a grounding bus in the floating home distribution panel. The grounding bus shall be grounded through the green con-ductor in the supply cord or the feeder wiring to the service ground in the service entrance equipment.

(v) Overall Stability. The floating home shall be stable with both dead load and live load included.

(1) Metacentric Height. The metacentric height (MG) shall be equal to +1.0 foot or more according to the following equation:

(MG) equals Wsty/W - L

Where:

Ws equals unit weight of sea water

W equals total weight of floating home including dead load and live load (L.L. equals 20 pounds per square foot of first floor area and 10 pounds per square foot of second floor, habitable attic or loft.)

ty equals moment of inertia of the area encompassed by the waterline around the hull or flotation (fully loaded boat) as taken about the longitudinal axis of the houseboat.

L equals the distance between the center of the gravity and the center of buoyancy of the fully loaded boat.

(2) Freeboard. The freeboard as measured from the waterline to the top of the first floor or deck of the completed houseboat, including dead load but not live load, shall be at least 1.3 feet (with list angle equals 0.0).

(3) Stability with off-center loading; or wind loading. The floating home when subjected to either off-center loading or wind loading shall not exceed the limitations on hull immersions and angle of list set forth as follows:

(i) The maximum angle of list shall not exceed forty (40) degrees.

(ii) The freeboard shall be measured from the waterline to the top of the first floor or deck at side of the vessel at a point where said freeboard has its least dimension.

The allowable immersion shall not be more than two-thirds (⅔) of this freeboard. The off-center loading shall be considered as applicable to the completed houseboat, including dead load, and shall consist of a live load of one hundred (100) pounds, or five (5) pounds per foot of width, whichever is greater per lineal foot (first floor) and fifty (50) pounds, or two and one-half ((½) pounds per foot of width, whichever is greater, per lineal foot (second floor, habitable attic, or loft). The uniform live load is to be applied halfway between the center of gravity and the outside edge of deck, to one side of the floating home at a time. The dividing line is the longitudinal axis of the vessel, and the overturning moment resulting from the off-center loading shall be taken about the computed center of gravity. Stability with the off-center loading applied shall be tested on both sides of the longitudinal axis.

Wind loading shall be applied to the completed houseboat, including dead load and live load, but not off-center loading. The moment due to the wind loading shall be computed at:

Mw equals P×A×H

Where:

Mw equals wind heeling moment, in foot pounds.

P equals wind pressure factor, in pounds per square foot in accordance with the following:

8.0 (for partially protected waters)

A equals area, in square feet, of the projected lateral surface of the vessel above the load waterline. This surface includes the hull superstructure and areas bounded by railings and/or structural canopies.

H equals height, in feet, to the center of area 9A) above the first floor deck.

(w) Calculations by Engineer. Calculations by a qualified engineer showing that the stability of the floating home con-forms to the above minimum requirements will be acceptable. Said calculations shall be subject to the following provisions:

(1) With reference to paragraph v(a), Mg equals - 1.0 or more.

(2) With reference to paragraph v(c), calculations will show that a result of the list angle caused by the off-center loading, the original freeboard (with list angle equals 0.0 degrees) shall not be diminished by more than sixty-seven percent (67%).

(3) With reference to paragraph v(c), calculations shall show that:

Mr/M equals 10. Applied with a list equals 4.10 degrees or more.

MO equals overturning moment resulting from the off-center loading, said moment to be taken about a longitudinal line passing through the computed center of gravity of the floating home.

MR equals resisting moment due to buoyancy, said moment to be taken about a longitudinal line passing through

And:

Mr/Mw equals 1.0′ or more applied with a list equals 4.0 or more.

where:

Mw equals wind healing moment.

Mr equals resisting moment due to buoyancy (same as Mr above).

(x) Compartmentation and Flotatation.

(1) Bulkheads. Watertight pontoons, floats or any other device to keep the floating home afloat shall be fitted with transverse and/or longitudinal watertight bulkheads which provide compartmentation sufficient to keep the fully loaded vessel afloat with positive stability, with any one main compartment flooded.

For pontoon type flotation, the maximum allowable distance between bulkheads is eight feet zero inches (8′0″). No single compartment shall comprise more than twenty percent (20%) of the total available flotation volume.

(2) Hull Type Flotation. The hull shall be fitted with at least one (1) longitudinal head and two (2) transverse bulk-heads. No compartment shall comprise more than twenty percent (20%) of total available flotation volume. Hull type flotation with less than two (2) transverse bulkheads may be utilized upon demonstration that the structure will remain afloat with one (1) compartment flooded. If construction materials are utilized which make the possibility of rupture of the hull extremely remote, the county may waive this requirement.

(3) Flotation Devices. The external surfaces of all flotation devices shall be watertight and thoroughly protected from corrosion from salt water, solvents and weather. Flotation devices shall be constructed so that access to each compartment is readily available from the first floor level of the completed floating home. Flotation devices shall be structurally sound and securely fastened to the main houseboat structure as approved by the officials.

(4) Bilge Pump. Where permanent type of flotation, such as styrofoam or plastic foam is not provided, a portable bilge pump shall be maintained in proper working order. Bilge pump size and installation shall be approved by the building inspection division. Bilge pump shall discharge into sewer in an approved manner.

(5) Cross Connection. A cross connection is any connection or arrangement, physical or otherwise, between a potable water supply system and any plumbing fixture or any tank, receptacle, equipment or device through which it may be possible for nonpotable, used, unclean, polluted and contaminated water, or other substances to enter into any part of such potable water system under any condition. Cross connections are prohibited.

(y) Fire Prevention. Each floating home shall maintain, on board, at least one ten (10) pound (or equivalent) all purpose dry chemical fire extinguisher for each separate level of floor of habitable living space.

(z) Life Saving Equipment. Suitable accessible storage shall be provided on deck for the storage of life preservers, and life buoys or other coast guard approved life saving devices.

(aa) Garbage Disposal. No garbage as defined in this code shall be discharged overboard, but shall be contained in a ro-dent and leak-proof container with a tight-fitting cover and disposed of in an approved refuse disposal site.

(bb) Occupancy Permits. All owners of floating homes moored in Sonoma County shall apply for and obtain an occupancy permit prior to occupancy. Following the inspection of a floating home for an occupancy permit, the owner will be advised of any deficiencies that must be corrected and of applicable building permits that may be required.

(cc) Restrictions. It shall be illegal to inhabit, occupy, moor, lease, rent or sell any floating home which does not comply with the provisions of this chapter.

(dd) Household Occupancy Permits, Form, Fee. All applications for occupancy permits shall be in writing on a form sup-plied by the Sonoma County health department and shall be accompanied by the required fee.

(ee) Contents of Applications. All applications shall, as nearly as possible, contain the following information:

(1) The size, type and location of the vessel for which the permit is sought;

(2) The number of people to be accommodated on board;

(3) All provisions that have been made for disposal of sewage by connection to an approved shore-side sewage disposal system;

(4) All provisions that have been made for connection of shore-side utilities;

(5) Such other information as the director of permit and resource management department may deem necessary to effectuate the provision of this section.

(ff) Issuance. If the chief building official, after investigation, determines that suitable provisions have been made for the disposal of sewage and connection of shore-side utilities, and that occupancy of the vessel for which the permit is requested will not create a hazard to health, welfare or safety of the occupants thereof or the community in general, he/she shall issue a permit. All permits may be made subject to such conditions as the chief building official deems appropriate to insure compliance with the provisions of this section.

(gg) Posting. Permits shall be permanently posted and maintained upon the vessel in a conspicuous location.

The registration number of the occupancy permit shall be affixed to the vessel in letters and numbers four inches (4″) in height and clearly visible in the vicinity of the main entrance.

(hh) Term-Renewal. All permits issued hereunder shall be effective for a period of one (1) calendar year, provided however, that any material change in the conditions shown upon the application or any change in ownership or location of the vessel shall revoke the permit. Permits may be renewed by resubmission of an appropriate application and payment of fees.

(ii) Inspections-Revocation. The chief building official shall have authority, with the owner's consent, to board and/or inspect any vessel when he has reasonable cause to believe that the vessel is occupied in violation of the provisions hereof. The chief building official shall have the right to order the floating home vacated within ten (10) days and shall have the right to revoke any permit granted hereunder in the event that he ascertains that the permittee, or any occupant of the vessel, is acting in contravention of any of the provisions hereof, or if it is deemed to be a substandard floating home.

(jj) Appeal. In the event that any applicant or permittee is for any reason dissatisfied with the action of the chief building official by reason of failure to grant a permit, the order to vacate, revocation of a permit, or imposition of any conditions relating to the permit, the applicant or permittee shall have the right to appeal to the board of supervisors, in writing, within ten (10) days after notification of action of the health officer. Upon receipt of an appeal the board of supervisors shall call a hearing within thirty (30) days from receipt of the appeal and give the applicant notice thereof by registered or certified mail addressed to the appellant at the address shown on the application or permit. At the conclusion of the hearing, the board of supervisors shall render a decision, which decision shall be final.

(kk) Approval by Permit and Resource Management Department. No permit shall be issued until the Sonoma County permit and resource management department has determined that the vessel for which the application is made substantially complies with the provisions contained in this chapter of the code of the county of Sonoma.

(Ord. 5754 § 1(m), 2007: Ord. No. 5167 § 1(l), 1999; Ord. No. 4906 § 3, 1995.)

Modifications to the building standards in the referenced codes are made pursuant to the authority granted in the California Health and Safety Code Section 17958.7 and 18941.5 based on local climatic, geographical or topographical conditions. A copy of the findings for such modifications is on file with the Sonoma County clerk of the board.

(Ord. No. 5904, § I, 11-2-2010; Ord. 5754, § 1(n), 2007; Ord. No. 4906, § 3, 1995.)

Whenever any of the following names or terms are used herein or in any codes adopted by reference by this chapter, unless the context directs otherwise, such names or terms so used shall have the meaning ascribed thereto by this section as follows:

(a) "Building official," "chief building official," "chief electrical inspector," "administrative authority," and similar references to a chief administrative position shall mean the director of the permit and resource management department of the county or his or her designee; provided, however, that where such terms are used in conjunction with those duties imposed upon the public health officer, the terms shall mean the public health officer of the county.

(b) The "building division," "electrical division," or "plumbing division" shall mean the permit and resource management department of the county.

(c) "City" shall mean the county when referring to a political entity, or an unincorporated area of the county.

(d) "City clerk" means "clerk of the board of supervisors."

(e) "City council" or "mayor" means the board of supervisors.

(f) "Board of appeals" shall mean the local appeals board and housing appeals board provided for in Section 7-3.

(g) "California Building Code" means the regulations most recently adopted by the California Building Standards Commission in California Code of Regulations, Title 24, Part 2, California Building Code.

(h) "California Building Standards Administrative Code" means the regulations most recently adopted by the California Building Standards Commission in California Code of Regulations, Title 24, Part 1, California Building Standards Administrative Code

(i) "California Electrical Code" means the regulations most recently adopted by the California Building Standards Commission in California Code of Regulations, Title 24, Part 3, California Electrical Code

(j) "California Energy Code" means the regulations most recently adopted by the California Building Standards Commission in California Code of Regulations, Title 24, Part 6, California Energy Code.

(k) "California Fire Code" means the regulations most recently adopted by the California Building Standards Commission in California Code of Regulations, Title 24, Part 9, California Fire Code

(l) "California Historical Building Code" means the regulations most recently adopted by the California Building Standards Commission in California Code of Regulations, Title 24, Part 8, California Historical Building Code.

(m) "California Mechanical Code" means the regulations most recently adopted by the California Building Standards Commission in California Code of Regulations, Title 24, Part 4, California Mechanical Code

(n) "California Plumbing Code" means the regulations most recently adopted by the California Building Standards Commission in California Code of Regulations, Title 24, Part 5, California Plumbing Code

(o) "California Referenced Standards Code" means the regulations most recently adopted by the California Building Standards Commission in California Code of Regulations, Title 24, Part 12, California Referenced Standards Code.

(p) "California Residential Code" means the regulations most recently adopted by the California Building Standards Commission in California Code of Regulations, Title 24, Part 2.5 California Residential Code

(q) "California Green Building Standards Code" means the regulations most recently adopted by the California Building Standards Commission in California Code of Regulations, Title 24, Part 11, California Green Building Standards Code.

(r) "Local coastal program" means the county local coastal program.

(s) "General plan" means the county general plan.

(t) "Stream" means any natural channel with bed and banks containing flowing water or showing evidence of having contained flowing water (e.g., deposit of rock, sand, gravel, or soil).

(u) "Zoning Code" means Chapters 26 and 26C of this code.

(v) "Abandonment" shall mean if, after commencement of work there is any continuous 12-month period without an approved inspection including partial approvals, the project is considered abandoned and the permit invalid.

(w) "Commencement" shall mean (1) construction of all of a foundation based on PRMD inspection records, or (2) for remodel work, completion of work or inspection which resulted in a correction notice or approved inspection or verified by receipts or other evidence, when approved by the building official. Excavation or grading alone is not considered commencement of work on a building permit.

(x) "Substantial improvement" shall mean any repair, reconstruction, rehabilitation, alteration, addition or other improvement of a building or structure that meet any of the following:

(1) An existing building or structure not classified as Group R-3 occupancy, which undergoes any addition of floor area that is equal to or exceeds twenty-five (25%) of the existing gross floor area.

(2) An existing Group R-3 building or structure, which undergoes any addition of floor area that is equal to or exceeds fifty percent (50%) of the existing gross floor area.

(3) An existing building or structure, which undergoes any alteration of floor area that is equal to or exceeds fifty percent (50%) of the existing gross floor area.

(4) A building or structure, which undergoes any combination of repair, reconstruction, rehabilitation, alteration, addition or other improvement that is equal to or exceeds fifty percent (50%) of the existing gross floor area.

(5) If in the determination of the building official the structure has sustained substantial damage, any repairs are considered substantial improvement regardless of the actual repair work performed.

(6) The cost of which equals to or exceeds fifty percent (50%) of the market value of the structure before the improvement or repair is started.

a. Any project for improvement of a building required to correct existing health, sanitary or safety code violations identified by the building official and that are the minimum necessary to assure safe living conditions.

b. Any alteration of a historic structure provided that the alteration will not preclude the structure's continued designation as a historic structure.

(y) "Nuisance alarm" shall mean an unwarranted alarm caused by mechanical failure, malfunction, improper installation or lack of proper maintenance, system servicing testing, construction activities, ordinary household activities, false alarm, other cause when no such danger exists, or an alarm activated by a cause that cannot be determined.

(z) "Building" shall mean any structure used or intended for supporting or sheltering any use or occupancy. Building is also any structure as to which state agencies have regulatory power, and housing or enclosure of persons, animals, chattels, equipment or property of any kind. Building is also any structure wherein things may be grown, made, produced, kept, handled, stored or disposed of, and all appendages, accessories, apparatus, appliances and equipment installed as a part thereof. Building shall not include machinery, equipment or appliances installed for manufacture or process purposes only, nor shall it include any construction installations which are not a part of a building, any tunnel, mine shaft, highway or bridge, or include any house trailer or vehicle which conforms to the Vehicle Code.

(aa) "Building, existing" shall mean a building legally erected prior to the adoption of this code, or one (1) for which a legal building permit was issued for the construction or legalization thereof prior to the adoption of this code.

(ab) "Unsafe or dangerous building" shall mean any building or structure which has any or all of the conditions or defects hereinafter described shall be deemed to be an unsafe or dangerous building, provided that such conditions or defects exist to the extent that the life, health, property or safety of the public or its occupants are endangered. The presence of an unsafe or dangerous building shall be considered a public nuisance subject to abatement pursuant to Chapter 1, Sonoma County Code.

1. Whenever any door, aisle, passageway, stairway or other means of exit is not of sufficient width or size or is not arranged as to provide safe and adequate means of exit in case of fire or panic.

2. Whenever the walking surface of any aisle, passageway, stairway or other means of exit is so warped, worn, loose, torn or otherwise unsafe as to not provide safe and adequate means of exit in case of fire or panic.

3. Whenever the stress in any materials, member or portion thereof, due to all dead and live loads, is more than one and one-half (1½) times the working stress or stresses allowed in the Building Code for new buildings of similar structure, purpose or location.

4. Whenever any portion thereof has been damaged by fire, earthquake, wind, flood or by any other cause, to such an extent that the structural strength or stability thereof is materially less than it was before such catastrophe and is less than the minimum requirements of the Building Code for new buildings of similar structure, purpose or location.

5. Whenever any portion or member or appurtenance thereof is likely to fail, or to become detached or dislodged, or to collapse and thereby injure persons or damage property.

6. Whenever any portion of a building, or any member, appurtenance or ornamentation on the exterior thereof is not of sufficient strength or stability, or is not so anchored, attached or fastened in place so as to be capable of resisting a wind pressure of one-half (½) of that specified in the Building Code for new buildings of similar structure, purpose or location without exceeding the working stresses permitted in the Building Code for such buildings.

7. Whenever any portion thereof has wracked, warped, buckled or settled to such an extent that walls or other structural portions have materially less resistance to winds or earthquakes than is required in the case of similar new construction.

8. Whenever the building or structure, or any portion thereof, because of (i) dilapidation, deterioration or decay; (ii) faulty construction; (iii) the removal, movement or instability of any portion of the ground necessary for the purpose of supporting such building; (iv) the deterioration, decay or inadequacy of its foundation; or (v) any other cause, is likely to partially or completely collapse.

9. Whenever, for any reason, the building or structure, or any portion thereof, is manifestly unsafe for the purpose for which it is being used.

10. Whenever the exterior walls or other vertical structural members list, lean or buckle to such an extent that a plumb line passing through the center of gravity does not fall inside the middle one-third (⅓) of the base.

11. Whenever the building or structure, exclusive of the foundation, shows thirty-three percent (33%) or more damage or deterioration of its supporting member or members, or fifty percent (50%) damage or deterioration of its non-supporting members, enclosing or outside wall or coverings.

12. Whenever the building or structure has been so damaged by fire, wind, earthquake or flood, or has become so dilapidated or deteriorated as to become (i) an attractive nuisance to children; (ii) a harbor for vagrants, criminals or immoral persons; or as to (iii) enable persons to resort thereto for the purpose of committing unlawful or immoral acts.

13. Whenever any building or structure has been constructed, exists or is maintained in violation of any specific requirement including construction without permit or prohibition applicable to such building or structure provided by the building regulations of this jurisdiction, as specified in this code or Health and Safety Code section 17920.3 or Uniform Housing Code Chapters 4, 5, 6 and Sections 701.2, 701.3, or of any law or ordinance of this state or jurisdiction relating to the condition, location or structure of buildings.

14. Whenever any building or structure which, whether or not erected in accordance with all applicable laws and ordinances, has in any non- supporting part, member or portion less than fifty percent (50%), or in any supporting part, member or portion less than sixty-six percent (66%) of the (i) strength, (ii) fire-resisting qualities or characteristics, or (iii) weather-resisting qualities or characteristics required by law in the case of a newly constructed building of like area, height and occupancy in the same location.

15. Whenever a building or structure, used or intended to be used for dwelling purposes, because of inadequate maintenance, dilapidation, decay, damage, faulty construction or arrangement, inadequate light, air or sanitation facilities, or otherwise, is determined by the health officer to be unsanitary, unfit for human habitation or is such a condition that is likely to cause sickness or disease.

16. Whenever any building or structure, because of obsolescence, dilapidated condition, deterioration, damage, inadequate exits, lack of sufficient fire- resistive construction, faulty electric wiring, gas connections or heating apparatus, or other cause, is determined by the fire marshal to be a fire hazard.

17. Whenever any building or structure is in such a condition as to constitute a public nuisance known to the common law or equity jurisprudence.

18. Whenever any portion of a building or structure remains on a site after the demolition or destruction of the building or structure or whenever any building or structure is abandoned for a period in excess of six months so as to constitute such building or portion thereof an attractive nuisance or hazard to the public.

19. Whenever any building or structure has been abandoned and unsecured for a period in excess of six (6) months so as to constitute an attractive nuisance or hazard to the public.

(ac) "Nuisance" shall mean any of the following:

1. Any public nuisance known at common law or in equity jurisprudence.

2. Any attractive nuisance that may prove detrimental to children whether in a building, on the premises of a building or on an unoccupied lot. This includes, but is not limited to, any abandoned wells, shafts, basements or excavations; abandoned refrigerators and motor vehicles; any structurally unsound fences or structures; or any lumber, trash, fences, debris, or vegetation that may prove a hazard for inquisitive minors.

3. Whatever is dangerous to human life or is detrimental to health, as determined by the health officer.

4. Overcrowding a room with occupants.

5. Insufficient ventilation or illumination.

6. Inadequate or unsanitary sewage or plumbing facilities.

7. Uncleanliness, as determined by the health officer.

8. Whatever renders air, food or drink unwholesome or detrimental to the health of human beings, as determined by the health officer.

(Ord. No. 6395, § I, 12-6-2022; Ord. No. 6295, § I, 12-2-2019; Ord. No. 6185, § I(d), 11-15-2016; Ord. No. 6048, § I(g), 11-5-2013; Ord. No. 5904, § I, 11-2-2010; Ord. No. 5891, § 5, 12-9-2008; Ord. 5754, § 1(o), 2007; Ord. No. 5581, § 1, 2005; Ord. No. 5374, § 1(b), 2002; Ord. No. 5167, § 1(m), 1999; Ord. No. 4906, § 3, 1995.)

One (1) copy of each of the codes adopted by reference in this chapter have heretofore been filed with the clerk of the board of supervisors and shall be maintained for use and examination by the public in the office of the clerk of the board of supervisors.

(Ord. No. 4906 § 3, 1995.)