Chapter 20.04
BUILDING REGULATIONS AND INTERNATIONAL CODES

Sections:

20.04.015    International Building Code adopted.

20.04.020    Section 403.10 of the International Building Code amended.

20.04.025    Section 403.4.7.2 of the International Building Code amended.

20.04.030    Add new Section 403.7 to the International Building Code.

20.04.035    Add new Section 911.2 to the International Building Code.

20.04.040    Section 1608.1 of the International Building Code amended.

20.04.045    Repealed.

20.04.050    Section 3002.4 of the International Building Code amended.

20.04.055    Section 3109.4.1 of the International Building Code amended.

20.04.058    Section 3306.2 of the International Building Code amended.

20.04.060    Section 3410.1 of the International Building Code amended.

20.04.065    Appendix Chapter E of the International Building Code adopted.

20.04.070    Appendix Chapter H of the International Building Code adopted.

20.04.075    Appendix Chapter J of the International Building Code adopted.

20.04.080    International Residential Code adopted.

20.04.085    International Residential Code Table R301.2(1) amended.

20.04.090    Appendix Chapter G of the International Residential Code adopted.

20.04.095    Appendix Chapter G, Section AG105.2, subsection 1, of the International Residential Code amended.

20.04.098    Appendix Chapter R of the International Residential Code adopted.

20.04.100    International Mechanical Code adopted.

20.04.105    National Fuel Gas Code (NFPA 54) adopted.

20.04.110    Liquefied Petroleum Gas Code (NFPA 58) adopted.

20.04.115    International Fuel Gas Code adopted.

20.04.120    Uniform Plumbing Code adopted.

20.04.125    Washington State Energy Code adopted.

20.04.130    Repealed.

20.04.135    Uniform Code for the Abatement of Dangerous Buildings adopted.

20.04.140    Uniform Housing Code adopted.

20.04.145    Documents to be filed and available for public inspection.

20.04.150    Violation – Penalty.

20.04.015 International Building Code adopted.

The 2009 Edition of the International Building Code, as adopted by the State Building Code Council in Chapter 51-50 WAC, as published by the International Code Council, excluding Chapter 1, is adopted.

The 2009 International Existing Building Code (IEBC) is included in the adoption of the International Building Code as provided by IBC Section 3401.5 and amended in WAC 51-50-480000, excluding Chapter 1, Part 2, Administration. The Construction Administrative Code, as set forth in Chapter 20.02 BMC, shall be used in place of IEBC Chapter 1, Part 2, Administration.

    EXCEPTIONS: The provisions of this code do not apply to temporary growing structures used solely for the commercial production of horticultural plants including ornamental plants, flowers, vegetables, and fruits. “Temporary growing structure” means a structure that has the sides and roof covered with polyethylene, polyvinyl, or similar flexible synthetic material and is used to provide plants with either frost protection or increased heat retention. A temporary growing structure is not considered a building for purposes of this code.

     The provisions of this code do not apply to the construction, alteration, or repair of temporary worker housing except as provided by rule adopted under Chapter 70.114A RCW or Chapter 37, Laws of 1998 (SB 6168). “Temporary worker housing” means a place, area, or piece of land where sleeping places or housing sites are provided by an employer for his or her employees or by another person, including a temporary worker housing operator, who is providing such accommodations for employees, for temporary, seasonal occupancy, and includes “labor camps” under RCW 70.54.110.

(Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004).

20.04.020 Section 403.10 of the International Building Code amended.

Section 403.10 of the International Building Code is amended to read as follows:

    403.10 Standby Power. A standby power system complying with Section 2702 shall be provided for standby power loads specified in section 403.10.2. 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. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.025).

20.04.025 Section 403.4.7.2 of the International Building Code amended.

Section 403.4.7.2 of the International Building Code is amended to read as follows:

    403.4.7.2 Standby power loads. The following are classified as standby power loads:

    1. Power and lighting for the fire command center required by Section 403.4.5;

    2. Electrically powered fire pumps;

    3. Ventilation and automatic fire detection equipment for smoke-proof enclosures;

    4. Smoke control system.

    5. Standby power shall be provided for elevators in accordance with Sections 1007.4, 3003, 3007 and 3008.

(Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.030).

20.04.030 Add new Section 403.7 to the International Building Code.

Section 403.7 is added to the International Building Code:

    403.7 Smoke Control. A smoke control system meeting the requirements of Section 909 shall be provided in buildings with occupied floors more than 75 feet above the lowest level of fire department vehicle access.

(Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.035).

20.04.035 Add new Section 911.2 to the International Building Code.

Section 911.2 is added to the International Building Code:

    911.2 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 fire department communication and control and electrical raceway serving the fire command center or being controlled from the fire command center. Such penetrations shall be protected in accordance with Section 713.

    EXCEPTION: Metallic piping with no joints or openings.

(Ord. 2052 § 3 (Exh. C), 2010).

20.04.040 Section 1608.1 of the International Building Code amended.

Section 1608.1 of the International Building Code is amended to read as follows:

    1608.1 General. Design snow loads shall not be less than 25 psf, but design roof loads shall not be less than that determined by Section 1607.

(Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.075).

20.04.045 Section 1704.12 of the International Building Code amended.

Repealed by Ord. 2052. (Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.080).

20.04.050 Section 3002.4 of the International Building Code amended.

Section 3002.4 of the International Building Code is amended to read as follows:

    3002.4 Elevator car to accommodate ambulance stretcher. Where elevators are provided in buildings four or more stories above, or four or more stories below, grade plane, or in any R or I occupancy building provided with an elevator regardless of the number of stories, at least one elevator shall be provided for fire department emergency access to all floors. The elevator car shall be of such a size and arrangement to accommodate a 24-inch by 84-inch (610 mm by 1930 mm) ambulance stretcher in the horizontal, open position and shall be identified by the international symbol for emergency medical services (star of life). The symbol shall not be less than 3 inches (76 mm) high and shall be placed inside on both sides of the hoistway door frame.

(Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007).

20.04.055 Section 3109.4.1 of the International Building Code amended.

Section 3109.4.1 of the International Building Code is amended to read as follows:

    3109.4.1 Barrier height and clearances. The top of the barrier shall be at least 60 inches above grade measured on the pool side of the barrier that faces away from the swimming pool. The maximum vertical clearance between grade and the bottom of the barrier shall be 2 inches measured on the side of the barrier that faces away from the swimming pool. Where the top of the pool structure is above grade, the barrier is authorized to be at ground level or mounted on top of the pool structure, the maximum vertical clearance between the top of the pool structure and the bottom of the barrier shall be 4 inches.

(Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.090).

20.04.058 Section 3306.2 of the International Building Code amended.

Section 3306.2 of the International Building Code is amended to read as follows:

    3306.2 Walkways. A walkway shall be provided for pedestrian travel in front of, along side of, into or through every construction and demolition site unless the applicable governing authority authorizes the sidewalk or area to be fenced or closed. Walkways shall be of sufficient width to accommodate the pedestrian traffic, but in no case shall they be less than 4 feet (1219 mm) in width. Walkways shall be provided with a durable walking surface. Walkways shall be accessible in accordance with Chapter 11 and shall be designed to support all imposed loads and in no case shall the design live load be less than 150 pounds per square foot (psf) (7.2 kN/m2).

(Ord. 2052 § 3 (Exh. C), 2010).

20.04.060 Section 3410.1 of the International Building Code amended.

Section 3410.1 of the International Building Code is amended to read as follows:

    3410.1 Moved Buildings. Before any building or structure shall be moved into or within the city of Bothell, such building or structure shall first be inspected by the building official at the site originally occupied. Approval for moving the building or structure shall be conditioned upon it being placed on a permanent foundation within 90 days from the date it is moved into or within the city and shall further be conditioned upon meeting the requirements of this section within a time period set by the city building official, which shall not exceed six months from the date of moving.

    The fee for a pre-move inspection of a building or structure shall be as established by resolution of the city. This fee shall not relieve the applicant from the duty to obtain permits for moving buildings upon roads and highways from the appropriate authorities. The permit fee for the construction of a new foundation, enlargement or remodeling of the move-in building shall be in addition to the fee described in this section.

    In addition to a pre-move inspection the applicant shall comply with all other relevant city approval and permit procedures. To ensure compliance, prior to moving any building or structures into or within the city, the applicant shall file a bond or other suitable security in an amount equal to 125 percent of the approved estimated cost of all site improvements required for site approval and the estimate to bring the building or structure into compliance specified by the building official.

    In the event conditions of compliance are not completed by the time period specified herein, and no extension for completion is requested by the applicant and granted by the city council, the city shall enforce bonds posted pursuant to any and all legal and equitable remedies.

    In the case where a bond has been posted to ensure compliance with the pre-building inspection requirements, the bond may be used to secure, demolish, or remove such structure. In the event the city is required to bring suit to enforce a bond posted pursuant to this section, the applicant and bonding company shall be responsible for any costs and attorney’s fees incurred by the city as a result of said action.

(Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.095).

20.04.065 Appendix Chapter E of the International Building Code adopted.

Appendix Chapter E, Supplementary Accessibility Requirements, is herein adopted. (Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.100).

20.04.070 Appendix Chapter H of the International Building Code adopted.

Appendix Chapter H, Signs, is herein adopted. (Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.105).

20.04.075 Appendix Chapter J of the International Building Code adopted.

Appendix Chapter J, Grading, is herein adopted. (Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.110).

20.04.080 International Residential Code adopted.

The 2009 Edition of the International Residential Code, as adopted by the State Building Code Council in Chapter 51-51 WAC, as published by the International Code Council, excluding Chapters 1, 11 and 25 through 43, is adopted. (Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.115).

20.04.085 International Residential Code Table R301.2(1) amended.

Table R301.2(1) of the International Residential Code is amended to read as follows:

Climatic and Geographic Design Criteria IRC Table R301.2(1)

Roof and Ground Snow Load (PSF)

Wind Speedd (mph)

Seismic Design Categoryf

Subject To Damage From

Winter Design Tempe

Ice Barrier Under-layment Requiredh

Flood Hazardsg

Air Freezing Indexi

Mean Annual Tempj

Weatheringa

Frost Line Depthb

Termitec

25

85

D2

Moderate

12''

Slight to Moderate

26

No

See BMC

145

50

    For SI: 1 pound per square foot = 0.0479 kN/m2, 1 mile = 1.609 km/h.

    a. Weathering may require a higher strength concrete or grade of masonry than necessary to satisfy the structural requirements of this code. The weathering column shall be filled in with the weathering index (i.e., “negligible,” “moderate” or “severe”) for concrete as determined from the Weathering Probability Map [Figure R301.2(3)]. The grade of masonry units shall be determined from ASTM C 34, C 55, C 62, C 73, C 90, C 129, C 145, C 216 or C 652.

    b. The frost line depth may require deeper footings than indicated in Figure R403.1(1). The jurisdiction shall fill in the frost line depth column with the minimum depth of footing below finish grade.

    c. The jurisdiction shall fill in this part of the table to indicate the need for protection depending on whether there has been a history of local subterranean termite damage.

    d. The jurisdiction shall fill in this part of the table with the wind speed from the basic wind speed map [Figure R301.2(4)]. Wind exposure category shall be determined on site-specific basis in accordance with Section R301.2.1.4.

    e. The outdoor design dry-bulb temperature shall be selected from the columns of 97 1/2-percent values for winter from Appendix D of the International Plumbing Code. Deviations from the Appendix D temperatures shall be permitted to reflect local climates or local weather experience as determined by the building official.

    f. The jurisdiction shall fill in this part of the table with the Seismic Design Category determined from Section R301.2.2.1.

    g. The jurisdiction shall fill in this part of the table with (a) the date of the jurisdiction’s entry into the National Flood Insurance Program (date of adoption of the first code or ordinance for management of flood hazard areas), (b) the date(s) of the currently effective FIRM and FBFM, or other flood hazard map adopted by the community, as may be amended.

    h. In accordance with Sections R905.2.7.1, R905.4.3.1, R905.5.3.1, R905.6.3.1, R905.7.3.1 and R905.8.3.1, where there has been a history of local damage from the effects of ice damming, the jurisdiction shall fill in this part of the table with “YES.” Otherwise, the jurisdiction shall fill in this part of the table with “NO.”

    i. The jurisdiction shall fill in this part of the table with the 100-year return period air freezing index (BF-days) from Figure R403.3(2) or from the 100-year (99%) value on the National Climatic Data Center data table “Air Freezing Index-USA Method (Base 32° Fahrenheit)” at www.ncdc.noaa.gov/fpsf.html.

    j. The jurisdiction shall fill in this part of the table with the mean annual temperature from the National Climatic Data Center data table “Air Freezing Index-USA Method (Base 32° Fahrenheit)” at www.ncdc.noaa.gov/fpsf.html.

(Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007).

20.04.090 Appendix Chapter G of the International Residential Code adopted.

Appendix Chapter G, Swimming Pools, Spas and Hot Tubs, is herein adopted. (Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.120).

20.04.095 Appendix Chapter G, Section AG105.2, subsection 1, of the International Residential Code amended.

Appendix Chapter G, Section AG105.2, subsection 1, of the International Residential Code is amended to read as follows:

    AG105.2 Outdoor swimming pool.

    1. The top of the barrier shall be at least 60 inches above grade measured on the pool side of the barrier that faces away from the swimming pool. The maximum vertical clearance between grade and the bottom of the barrier shall be 2 inches measured on the side of the barrier that faces away from the swimming pool. Where the top of the pool structure is above grade, the barrier is authorized to be at ground level or mounted on top of the pool structure, the maximum vertical clearance between the top of the pool structure and the bottom of the barrier shall be 4 inches.

(Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.125).

20.04.098 Appendix Chapter R of the International Residential Code adopted.

Appendix R, Dwelling Unit Fire Sprinkler Systems, is herein adopted. (Ord. 2052 § 3 (Exh. C), 2010).

20.04.100 International Mechanical Code adopted.

The 2009 Edition of the International Mechanical Code, as adopted by the State Building Code Council in Chapter 51-52 WAC, as published by the International Code Council, excluding Chapter 1, is adopted. (Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.130).

20.04.105 National Fuel Gas Code (NFPA 54) adopted.

The National Fuel Gas Code, as adopted by the State Building Code Council in Chapter 51-52 WAC, as published by NFPA, is adopted. (Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.135).

20.04.110 Liquefied Petroleum Gas Code (NFPA 58) adopted.

The Liquefied Petroleum Gas Code, as adopted by the State Building Code Council in Chapter 51-52 WAC, as published by NFPA, is adopted. (Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.140).

20.04.115 International Fuel Gas Code adopted.

The 2009 Edition of the International Fuel Gas Code, as adopted by the State Building Code Council in Chapter 51-52 WAC, as published by the International Code Council, excluding Chapter 1, is adopted. (Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.145).

20.04.120 Uniform Plumbing Code adopted.

The 2009 Edition of the Uniform Plumbing Code, as adopted by the State Building Code Council in Chapters 51-56 and 51-57 WAC, as published by the International Association of Plumbing and Mechanical Officials, excluding Chapter 1, is adopted. (Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.150).

20.04.125 Washington State Energy Code adopted.

The Washington State Energy Code, as adopted by the State Building Code Council in Chapter 51-11 WAC, is herein adopted. (Ord. 2052 § 3 (Exh. C), 2010; Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.160).

20.04.130 Washington State Ventilation and Indoor Air Quality Code adopted.

Repealed by Ord. 2052. (Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.165).

20.04.135 Uniform Code for the Abatement of Dangerous Buildings adopted.

The 1997 Edition of the Uniform Code for the Abatement of Dangerous Buildings Code, as published by the International Council of Building Officials, is adopted, except that references to the uniform codes shall be replaced with the appropriate technical codes and sections as adopted by this jurisdiction. (Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.170).

20.04.140 Uniform Housing Code adopted.

The 1997 Edition of the Uniform Housing Code, as published by the International Council of Building Officials, is adopted, except that references to the uniform codes shall be replaced with the appropriate technical codes and sections as adopted by this jurisdiction. (Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.175).

20.04.145 Documents to be filed and available for public inspection.

The codes, appendices, and standards set forth in this chapter shall be filed with the department of community development, building services division, and a copy made available for use and examination by the public, pursuant to RCW 35A.12.140. (Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.180).

20.04.150 Violation – Penalty.

Any person, firm, corporation or organization violating any of the provisions of this chapter shall be guilty of a misdemeanor, and upon conviction thereof shall be punished by a fine of not more than $5,000 or by imprisonment not to exceed 180 days, or both such fine and imprisonment. Every day or portion thereof during which any violation of this chapter occurs or continues shall constitute a separate offense. (Ord. 1986 § 2, 2007; Ord. 1926 § 5, 2004. Formerly 20.04.185).