Chapter 15.20
BUILDING CODES*
Sections:
15.20.010 International Building Code adopted.
15.20.015 IBC Section 312.1, U-Occupancy Use – General, amended.
15.20.020 IBC Section 403.4.8, Standby Power, amended.
15.20.025 IBC Section 403.4.8.1, Equipment Room, amended.
15.20.030 IBC Section 403.4.8.1.1, Standby Power Room Penetrations, added.
15.20.035 IBC Section 403.4.8.3, Standby Power Loads, amended.
15.20.040 IBC Section 403.7, Smoke Control, added.
15.20.045 IBC Section 405.8, Standby and Emergency Power, amended.
15.20.050 IBC Section 712.1.3.1, Opening Size, amended.
15.20.055 IBC Section 903.2, Sprinklers Where Required, amended.
15.20.065 IBC Section 903.3.1.1.1, Exempt locations, amended.
15.20.075 IBC Section 903.4.3, Floor Control Valves, amended.
15.20.080 IBC Section 903.5.1, Fire Sprinkler and Standpipe Drains, added.
15.20.085 IBC Section 907.2, Alarms Where Required – New Buildings and Structures, amended.
15.20.090 IBC Section 911.1.2.1, Fire Command Center Penetrations, added.
15.20.095 IBC Section 1608.1, Snow Load – General, amended.
15.20.100 IBC Section 1612.3, Establishment of Flood Hazard Areas, amended.
15.20.110 IBC Section 3117, Waterfront Structures, added.
15.20.115 IBC Appendix adoption.
15.20.120 International Residential Code adopted.
15.20.125 IRC Table R301.2 Climate and Geographic Design Criteria, amended.
15.20.130 IRC Appendix AWV, Fire Sprinklers, amended.
15.20.135 IRC Appendix AWZ, Building Deconstruction, amended.
15.20.140 International Mechanical Code adopted.
15.20.145 Uniform Plumbing Code adopted.
15.20.150 National Fuel Gas Code (NFPA 54) adopted.
15.20.155 Liquefied Petroleum Gas Code (NFPA 58) adopted.
15.20.160 International Fuel Gas Code adopted.
15.20.165 Washington State Energy Code adopted.
15.20.170 International Existing Building Code adopted.
15.20.175 International Swimming Pool and Spa Code adopted.
*Prior legislation: Ord. 07-0261 § 3.
15.20.010 International Building Code adopted.
The 2021 Edition of the International Building Code, excluding Chapter 1, “Scope and Administration,” as published by the International Code Council, is adopted, together with the amendments set forth in Chapter 51-50 WAC. The Construction Administrative Code, as set forth in Chapter 15.30 KMC, shall be used in place of IBC Chapter 1. [Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B).]
15.20.015 IBC Section 312.1, U-Occupancy Use – General, amended.
Section 312.1 of the International Building Code is hereby amended to read as follows by adding the following use to the list:
Waterfront structures
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B).]
15.20.020 IBC Section 403.4.8, Standby Power, amended.
Section 403.4.8 of the International Building Code is hereby amended to read as follows:
Add the following sentence to the end of the paragraph:
Fuel-fired emergency generator sets and associated fuel storage, including optional generator sets, located more than 75 feet above the lowest level of Fire Department vehicle access requires the approval of the Fire Code Official.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B).]
15.20.025 IBC Section 403.4.8.1, Equipment Room, amended.
Section 403.4.8.1 of the International Building Code is hereby amended to read as follows:
403.4.8.1 Equipment room. If the standby system is a generator set inside the building, the system shall be located in a separate room enclosed with 2-hour fire barriers constructed in accordance with Section 403.4.8.1.1 and Section 707 or horizontal assemblies constructed in accordance with Section 711, or both. System supervision with manual start and transfer features shall be provided at the fire command center.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B).]
15.20.030 IBC Section 403.4.8.1.1, Standby Power Room Penetrations, added.
Section 403.4.8.1.1 of the International Building Code is hereby added as follows:
403.4.8.1.1 Penetrations. Penetrations into and openings through a room containing a standby power system are prohibited except for required exit doors, equipment and ductwork necessary for heating, cooling or ventilation, sprinkler branch line piping, or electrical raceway serving the standby power system or being served by the standby power system and metallic piping with no joints or openings. Such penetrations shall be protected in accordance with Section 714.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B).]
15.20.035 IBC Section 403.4.8.3, Standby Power Loads, amended.
Section 403.4.8.3 of the International Building Code is amended by adding a fifth item which reads as follows:
5. Smoke control system.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B).]
15.20.040 IBC Section 403.7, Smoke Control, added.
Section 403.7 of the International Building Code is hereby added as follows:
403.7 Smoke control. A smoke control system meeting the requirements of Section 909 shall be provided in buildings that exceed ten stories, or contain a use requiring defend-in-place firefighting operations in which occupants of some area cannot readily evacuate that area. This includes portions of facilities housing functions essential to continuity of public safety operations, and Group I and LC Occupancies where in the judgment of the Building Official and Fire Code Official, occupants having limited capacity for self-preservation are located on floors more than 75 feet above the lowest level of Fire Department vehicle access. A smoke control system for a defend-in-place use may be a performance-based design to protect that use without providing smoke control throughout the entire building, but shall otherwise comply with Section 909.
Exception: Smoke control may be omitted when approved by the Building Official and Fire Code Official.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B).]
15.20.045 IBC Section 405.8, Standby and Emergency Power, amended.
Section 405.8 of the International Building Code is hereby amended by adding the following sentence:
Fuel-fired emergency generator sets and associated fuel storage, including optional generator sets, located more than 30 feet below the lowest level of exit discharge requires the approval of the Fire Code Official.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B).]
15.20.050 IBC Section 712.1.3.1, Opening Size, amended.
Section 712.1.3.1 of the International Building Code is hereby amended by revising the last sentence, to read:
This application is limited to openings that do not connect more than four stories in buildings not required to have smoke control systems. In buildings that are required to have smoke control systems, escalators are limited to openings that do not connect more than four stories and non-egress stairs are limited to openings that do not atmospherically connect more than two stories.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.045.]
15.20.055 IBC Section 903.2, Sprinklers Where Required, amended.
Section 903.2 of the International Building Code is hereby amended to read as follows:
903.2 Where required. Approved automatic sprinkler systems in new and existing buildings and structures shall be provided in the locations described in Section 903.2.1 through 903.13.
The exception has been deleted.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.050.]
15.20.060 IBC Section 903.2.13, Additional Fire Sprinkler Requirements for New and Existing Buildings, added.
Section 903.2 of the International Building Code is hereby amended by adding a new Section 903.2.13 as follows:
903.2.13 Additional fire sprinkler requirements for new and existing buildings.
NEW BUILDINGS
1. An automatic sprinkler system shall be installed in all occupancies requiring 2,000 gallons per minute or more fire flow, or where the gross square footage exceeds 4,800 square feet. This applies to all buildings regardless of type or use. Fire walls shall not be considered to separate a building to enable deletion of the required sprinkler system.
2. All newly constructed buildings regardless of gross square footage shall be provided with an automatic sprinkler system if adequate fire flow, hydrant spacing, or approved fire department access is not provided as required in the International Fire Code Section 503, Appendix B, and/or Title 15 of the Kenmore Municipal Code.
3. An automatic sprinkler system shall be installed in newly constructed residential occupancies.
Exception: Detached accessory dwelling units (ADU’s).
EXISTING BUILDINGS
1. The provisions of this section shall apply to existing IRC buildings that are subject to alterations, repairs, modifications or similar improvements where the total cost of the work performed exceeds 75% of the King County Assessor’s Office valuation. Where subsequent alterations, repairs, modifications or similar improvements occur within five years of the first permitted work, the original building valuation shall be used and the total costs of the improvements shall be accumulative. All other occupancies shall comply with the Washington State Existing Building Code.
2. The provisions of this section shall apply to existing buildings where the gross floor area of the building is increased. Additions to buildings that would result in a gross floor area greater than 5,000 square feet shall be retrofitted throughout with an approved automatic sprinkler system.
Exception: The floor area of an existing building may be increased up to 25%, not to exceed 5,000 square foot floor area increase. This exception shall be allowed one time only and acknowledgement of its use shall be recorded on the property title prior to permit issuance.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.055.]
15.20.065 IBC Section 903.3.1.1.1, Exempt locations, amended.
Item 6 from Section 903.3.1.1.1 of the International Building Code is hereby amended to read as follows:
6. Machine rooms, machinery spaces, control rooms and control spaces associated with traction elevators. The elevator machinery shall not be of the hydraulic type.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C).]
15.20.070 IBC Section 903.3.1.2, NFPA 13R sprinkler systems, amended.
Repealed by Ord. 24-0602. [Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C).]
15.20.075 IBC Section 903.4.3, Floor Control Valves, amended.
Section 903.4.3 of the International Building Code is hereby amended to read as follows:
903.4.3 Floor control valves. In multi-level buildings approved, supervised indicating control valves shall be provided at the point of connection to the riser on each floor.
Exception: When approved by the fire code official.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.065.]
15.20.080 IBC Section 903.5.1, Fire Sprinkler and Standpipe Drains, added.
Section 903.5.1 of the International Building Code is amended by adding a new Section 903.5.1 as follows:
903.5.1 Fire sprinkler and standpipe drains. Fire sprinkler and standpipe main/express drains shall be positioned to drain to the sanitary sewer. Additionally, maintenance or testing discharges from fire pumps shall be treated in order to comply with the National Pollution Discharge Elimination System (NPDES) requirements.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C).]
15.20.085 IBC Section 907.2, Alarms Where Required – New Buildings and Structures, amended.
Section 907.2 of the International Building Code is hereby amended to read as follows:
907.2 Where required – new buildings and structures.
All occupancies exceeding 3,000 square feet gross floor area shall be required to provide an approved and monitored fire detection system. Fire walls shall not be considered to be a separate building to enable deletion of the required fire detection system.
Exception: Group U or IRC regulated structures.
An approved fire alarm system installed in accordance with Sections 907.2.1 through 907.2.23 and provide occupant notification in accordance with Section 907.6, unless other requirements are provided by another section of the IFC. Where automatic protection installed in accordance with Section 903.3.1.1 or 903.3.1.2 is provided and connected to the building fire alarm system, automatic heat detection required by this section shall not be required.
A minimum of one fire alarm box shall be provided in an approved location to initiate a fire alarm signal for the fire alarm systems employing automatic fire detectors or water-flow devices. Where other sections of this code allow elimination of fire alarm boxes due to sprinklers, a single fire alarm box shall be installed.
EXISTING BUILDINGS
The provisions of this section shall apply to existing buildings that are subject to alterations, repairs, modifications or similar improvements where the total cost of the work performed exceeds 50% of the King County Assessor’s Office valuation of the structure. Where subsequent alterations, repairs, modifications or similar improvements occur within five years of the first permitted work, the original building valuation shall be used and the total costs of improvements shall be accumulative.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.070.]
15.20.090 IBC Section 911.1.2.1, Fire Command Center Penetrations, added.
Section 911.1.2.1 of the International Building Code is hereby added to read as follows:
911.1.2.1 Penetrations. Penetrations into and openings through a fire command center are prohibited except for required exit doors, equipment and ductwork necessary for heating, cooling or ventilation, sprinkler branch line piping, electrical raceway for the fire department communication and control, electrical raceway serving the fire command center for being controlled from the fire command center and metallic piping with no joints or openings. Such penetrations shall be protected in accordance with Section 714.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.075.]
15.20.095 IBC Section 1608.1, Snow Load – General, amended.
Section 1608.1 of the International Building Code is hereby amended to read as follows:
1608.1 General. Design snow loads shall not be less than 25 psf, and the design roof loads shall not be less than that determined by Section 1607.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.080.]
15.20.100 IBC Section 1612.3, Establishment of Flood Hazard Areas, amended.
Section 1612.3 of the International Building Code is hereby amended by revising the second sentence to read as follows:
The flood hazard map shall include, at a minimum, areas of special flood hazard as identified by the Federal Emergency Management Agency in an engineering report entitled “The Flood Insurance Study for King County, Washington and Incorporated Areas,” DATED April 9, 2005, as amended or revised with the accompanying Flood Insurance Rate Map (FIRM) and related supporting data along with any revisions thereto.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.085.]
15.20.105 IBC Section 3002.4, Elevator Car to Accommodate Ambulance Stretcher, amended.
Repealed by Ord. 24-0602. [Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.090.]
15.20.110 IBC Section 3117, Waterfront Structures, added.
Section 3117 of the International Building Code is hereby added as follows:
SECTION 3117
WATERFRONT STRUCTURES
Section 3117.1 General. In addition to other requirements of this code, all waterfront structures shall comply with the regulations of this section and the Kenmore Shoreline Management Code.
Section 3117.2 Approvals Required. Before any permit for a new waterfront structure or revisions to an existing waterfront structure is issued by the building official, the applicant shall obtain prior approval from all applicable state and federal agencies.
Section 3117.3 Definitions. For the purpose of this section, certain terms are defined as follows:
BULKHEAD. As defined in the Kenmore Shoreline Management Code.
COVERED WATERFRONT STRUCTURE. Any waterfront structure covered in whole or in part by a roof.
DOCK. As defined in the Kenmore Shoreline Management Code.
FLOAT. As defined in the Kenmore Shoreline Management Code.
PIER. As defined in the Kenmore Shoreline Management Code.
POLLUTION-GENERATING MATERIAL. Include those which are erodable or leachable materials, wastes, or chemicals. Metal roofs are considered to be pollution-generated unless they are treated to prevent leaching.
SUBSTRUCTURE. That portion of the construction of a dock, pier, wharf or other similar waterfront structure below and including the deck.
SUPERSTRUCTURE. That portion of the construction of a dock, pier, wharf or other similar waterfront structure above the deck.
WATERFRONT STRUCTURE. Structures including, but not limited to docks, piers, wharves, floats, mooring piles, anchor buoys, bulkheads, submerged or overhead wires, pipes and cables, and any object passing beneath, through or over the water, waterward of the ordinary high water mark.
WHARF. A structure of timber, stone, concrete or other material having a platform built along and parallel to navigable waters so that vessels may be moored alongside for loading and unloading, or for storage or repair.
Section 3117.4 Construction Requirements. Waterfront structures shall comply with Sections 3117.4.1 through 3117.4.4.
Section 3117.4.1 Substructure. The substructure may be constructed of any nonpollution-generating materials allowed by this code, and the Kenmore Shoreline Management Code. All decks shall sustain, within the limitations of this code, all dead loads plus a live load of not less than 100 pounds per square foot, assumed to act vertically. In addition to the live load requirement, all structures and every portion thereof shall be designed and constructed to resist a horizontal force of not less than 100 pounds per lineal foot acting at the deck line, in any direction.
Exception: For waterfront structures serving only a single-family dwelling, a live load of 40 psf may be used and a horizontal force need only be considered where applicable.
Automatic sprinklers shall be installed under the substructure in accordance with the requirements of Chapter 9 and the International Fire Code.
Section 3117.4.2 Superstructure. The superstructure shall be designed and constructed to sustain all dead loads, live loads, and wind loads required by this code, and may be constructed of any nonpollution-generating materials allowed by this code and the Kenmore Shorelines Management Code, except when the building area of a covered waterfront structure exceeds 1,000 square feet the entire superstructure and deck shall be constructed of noncombustible materials or as required for Type IV-H.T. construction per Section 602.4 or be equipped throughout the structure with an approved automatic sprinkler system.
Section 3117.4.3 Hardware. All hardware used structurally shall be of a corrosive-resistant metal such as aluminum, brass, copper, and stainless steel, or be completely protected by an approved corrosion-resistant metal, such as zinc.
Section 3117.4.4 Standpipes. When a distance of travel to fire apparatus access exceeds one hundred fifty (150) feet, a Class I manual, dry standpipe system shall be provided in accordance with NFPA 303. Systems shall be provided with outlets located such that no point of the structure exceeds one hundred fifty (150) feet from a standpipe outlet.
Exception: Waterfront structures serving not more than one single-family dwelling.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.095.]
15.20.115 IBC Appendix adoption.
The City hereby adopts Appendix Chapter E, “Supplementary Accessibility Requirements,” Appendix Chapter H, “Signs,” and Appendix P, “Construction and Demolition Material Management”, pursuant to Chapters 19.27 and 70.92 RCW. [Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.100.]
15.20.120 International Residential Code adopted.
The 2021 Edition of the International Residential Code, including Appendix AT, “Solar Ready Provisions,” Appendix AWU, “Dwelling Unit Fire Sprinkler Systems,” Appendix AWV, “Fire Sprinklers,” Appendix AWY, “Construction and Demolition Material Management” and Appendix AWZ, “Building Deconstruction” but excluding Chapter 1 of the IRC, “Scope and Administration,” as published by the International Code Council, is adopted, together with the amendments set forth in Chapter 51-51 WAC. The Construction Administrative Code, as set forth in Chapter 15.30 KMC, shall be used in place of IRC Chapter 1. [Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 11-0322 §§ 1, 2; Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.105.]
15.20.125 IRC Table R301.2 Climate and Geographic Design Criteria, amended.
Table R301.2 of the International Residential Code is hereby amended to read as follows:
|
GROUND SNOW LOADa (psf) |
WIND DESIGN |
SEISMIC DESIGN CATEGORY |
SUBJECT TO DAMAGE FROM |
ICE BARRIER UNDERLAYMENT REQUIRED |
FLOOD HAZARDe |
AIR FREEZING INDEX |
MEAN ANNUAL TEMP |
|||||
|
Speedb (mph) |
Topographic effectsc |
Special wind region |
Wind-borne debris zone |
Weatheringd |
Frost Line Depth |
Termite |
||||||
|
25 |
110 |
No |
No |
No |
D2 |
Moderate |
12" |
Slight to Moderate |
No |
Per KMC 18.55.070 |
148 |
51°F |
|
Elevation |
Altitude correction factor |
Coincident wet bulb |
Indoor winter design dry-bulb temperature |
Indoor winter design dry-bulb temperature |
Outdoor winter design dry-bulb temperature |
Heating temperature difference |
|
60 feet |
0.99 |
66 °F |
72 °F |
72 °F |
24 °F |
45 °F |
|
Latitude |
Daily range |
Indoor summer design relative humidity |
Summer design gains 50% RH |
Indoor summer design dry-bulb temperature |
Outdoor summer design dry-bulb temperature |
Cooling temperature difference |
|
47° |
Medium |
68% |
5 |
75 °F |
83 °F |
7 °F |
a. This is the minimum roof snow load. When using this snow load it will be left to the engineer’s judgment whether to consider drift or sliding snow. However, rain on snow surcharge of 5 psf must be considered for roof slopes less than 5 degrees.
b. The basic wind speed is determined from the basic wind speed map in Figure R301.2(2). Wind exposure category shall be determined on a site-specific basis in accordance with Section R301.2.1.4.
c. Topographic effects (Wind Speed-up Kzt factor) shall be determined on a site-specific basis in accordance with Section R301.2.1.5.
d. Weathering may require a higher strength concrete or grade of masonry than necessary to satisfy the structural requirements of this code. The grade of masonry units shall be determined from ASTM C34, C55, C62, C73, C90, C129, C145, C216 or C652.
e. The City of Kenmore participates in the National Flood Insurance Program (NFIP); Regular Program (No Special Flood Hazard Area). Further NFIP participation information: CID 530083, Initial FHBM Identified 06/28/74, Initial FIRM Identified 05/16/95, Current Effective Map Date (NSFHA), Reg-Emer Date 06/30/97, 53033C0654G effective 8/19/2020.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 11-0322 §§ 1, 2; Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.110.]
15.20.130 IRC Appendix AWV, Fire Sprinklers, amended.
Appendix AWV, Section AWV107.1 of the 2021 International Residential Code is hereby amended to read as follows:
AWV107.1 Fire Sprinklers. An approved fire sprinkler system shall be installed in new one-family and two-family dwellings and townhouses in accordance with Appendix AWU.
Exception: Accessory dwelling units.
[Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 11-0322 §§ 1, 2; Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.115.]
15.20.135 IRC Appendix AWZ, Building Deconstruction, amended.
Appendix AWZ, Section AWZ 101.2, of the 2021 International Residential Code is hereby amended to read as follows:
AWZ101.2 Scope.
This section applies to existing dwellings, townhouses, and accessory structures permitted to be demolished that are greater than 750 square feet (69.68 m2) and meet one of the following:
1. The structure has been identified as a historic building; or
2. The structure was built 70, or more, years ago.
Exceptions:
1. The structure is determined to be unsafe by the engineer of record;
2. The structure shall be relocated;
3. The engineer of record determines that 50 percent, by weight, of the material in the structure that is not concrete, is not suitable for reuse.
[Ord. 24-0602 § 3 (Exh. C).]
15.20.140 International Mechanical Code adopted.
The 2021 Edition of the International Mechanical Code, excluding Chapter 1, “Scope and Administration,” as published by the International Code Council, is adopted, together with the amendments set forth in Chapter 51-52 WAC. The Construction Administrative Code, as set forth in Chapter 15.30 KMC, shall be used in place of IMC Chapter 1. [Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.160.]
15.20.145 Uniform Plumbing Code adopted.
The 2021 Edition of the Uniform Plumbing Code, excluding Chapter 1, “Administration,” as published by the International Association of Plumbing and Mechanical Officials, is adopted, together with Appendix A, “Recommended Rules for Sizing the Water Supply System,” Appendix B, “Explanatory Notes on Combination Waste and Vent Systems,” Appendix C, “Alternate Plumbing Systems,” excluding Sections C303.3, C304.0 through C601.9, Appendix I, “Installation Standards,” Appendix K, “Potable Rainwater Catchment Systems,” Appendix M, “Peak Water Demand Calculator,” and the amendments set forth in Chapters 51-52 and 51-57 WAC. The Construction Administrative Code, as set forth in Chapter 15.30 KMC, shall be used in place of UPC Chapter 1. [Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.165.]
15.20.150 National Fuel Gas Code (NFPA 54) adopted.
The 2021 National Fuel Gas Code, excluding Chapter 1, “Administration,” as published by NFPA, is adopted together with the amendments set forth in Chapter 51-52 WAC. The Construction Administrative Code, as set forth in Chapter 15.30 KMC, shall be used in place of NFPA 54 Chapter 1. [Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.170.]
15.20.155 Liquefied Petroleum Gas Code (NFPA 58) adopted.
The 2020 Liquefied Petroleum Gas Code, excluding Chapter 1, “Administration,” as published by NFPA, is adopted, together with the amendments set forth in Chapter 51-52 WAC. The Construction Administrative Code, as set forth in Chapter 15.30 KMC, shall be used in place of NFPA 58 Chapter 1. [Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.175.]
15.20.160 International Fuel Gas Code adopted.
The 2021 Edition of the International Fuel Gas Code, excluding Chapter 1, “Administration,” as published by the International Code Council, is adopted, together with the amendments set forth in Chapter 51-52 WAC. The Construction Administrative Code, as set forth in Chapter 15.30 KMC, shall be used in place of IFGC Chapter 1. Provided, that detached and two-family dwellings and multiple single-family dwellings (townhouses) not more than three stories high with separate means of egress and their accessory structures shall comply with the International Residential Code. [Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.180.]
15.20.165 Washington State Energy Code adopted.
The 2021 Washington State Energy Code, excluding Chapter 1, as adopted by the State Building Code Council in Chapters 51-11C and 51-11R WAC, is adopted. The Construction Administrative Code, as set forth in Chapter 15.30 KMC, shall be used in place of Chapter 1. [Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.185.]
15.20.170 International Existing Building Code adopted.
The 2021 Edition of the International Existing Building Code, excluding Chapter 1, “Scope and Administration,” as published by the International Code Council, is adopted, together with Appendix A, “Guidelines for the Seismic Retrofit of Existing Buildings,” and the amendments set forth in Chapter 51-50 WAC. The Construction Administrative Code, as set forth in Chapter 15.30 KMC, shall be used in place of IEBC Chapter 1. [Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C); Ord. 13-0360 § 5 (Exh. B); Ord. 10-0310 § 3 (Exh. B). Formerly 15.20.225.]
15.20.175 International Swimming Pool and Spa Code adopted.
The 2021 Edition of the International Swimming Pool and Spa Code, excluding Chapter 1, as published by the International Code Council, is adopted, together with the amendments set forth in Chapter 51-50 WAC. The Construction Administrative Code, as set forth in Chapter 15.30 KMC, shall be used in place of ISPSC Chapter 1. [Ord. 24-0602 § 3 (Exh. C); Ord. 20-0518 § 3 (Exh. C); Ord. 16-0423 § 3 (Exh. C). Formerly 15.20.230.]
15.20.180 International Wildland-Urban Interface Code adopted.
Repealed by Ord. 24-0610. [Ord. 24-0602 § 3 (Exh. C).]