Chapter 19.05
RESIDENTIAL BUILDING CODE

Sections:

19.05.000    International Residential Code adopted.

19.05.010    Chapter 1 not adopted.

19.05.020    Section amendments.

19.05.030    Manufactured home installation standards.

19.05.000 International Residential Code adopted.

The International Residential Code (IRC), 2009 Edition, published by the International Code Council, as amended by the Washington State Building Code Council in Chapter 51-51 WAC, and as subsequently amended by this chapter, is hereby adopted along with Appendix Chapters A, B, C, K, R and S. [Ord. 3819 § 1, 2010; Ord. 3796 § 2, 2010].

19.05.010 Chapter 1 not adopted.

Chapter 1 is not adopted. See ECDC 19.00.015. [Ord. 3796 § 2, 2010].

19.05.020 Section amendments.

The following sections of the IRC are hereby amended as follows:

A. Table R301.2(1), Climatic and Geographic Design Criteria, is amended with the following criteria:

1. Ground Snow Load = 25 psf

2. Wind Speed(d) = 85 mph

3. Topographical effects(k) = No

4. Seismic Design Category(f) = D2

5. Weathering(a) = moderate

6. Frost Line Depth(b) = 18 inches

7. Termite(c) = slight to moderate

8. Winter Design Temp(e) = 27 degrees F

9. Flood Hazard(g) = NFIP adoption 3/26/74. FIRM maps 11/8/99

10. Ice Shield Underlayment(h) = not required

11. Air Freezing Index(i) = 0-1000

12. Mean Annual Temp(j) = 50 degrees F

B. Section R324, Automatic fire sprinkler system, is added and reads:

An automatic fire sprinkler system is required for buildings containing five (5) or more attached dwelling units. Refer to ECDC 19.25.040.

C. Appendix S – Section AS107.1, Fire Sprinklers. An approved automatic fire sprinkler system shall be installed in new one-family and two-family dwellings and townhouses exceeding 3,000 square feet of fire area, and in accordance with Appendix R. No modifications will be made to this threshold limit prior to next code cycle update on July 1, 2013. [Ord. 3819 § 2, 2010; Ord. 3796 § 2, 2010].

19.05.030 Manufactured home installation standards.

A. Permit Regulations.

1. Chapter 296-150M WAC, as currently promulgated together with any future amendments thereof, or future additions thereto, is hereby adopted. The building official is authorized to issue building permits and collect permit fees for the installation of all manufactured homes that meet the requirements of this chapter, to inspect the installation of manufactured homes, and enforce all violations of this chapter.

2. All references to “installation permits” in Chapter 296-150M WAC, as herein adopted by reference, shall refer to building permits issued for the installation of manufactured homes.

3. Fees for the installation of a manufactured home shall be set forth in Chapter 19.70 ECDC. All other applicable development fees shall also be imposed as with any other single-family residence.

4. Mobile homes shall be permitted only within designated mobile home parks.

5. Pursuant to added RCW 35.21.897, 35A.21.310, 36.01.220, and amended RCW 35.63.160 and 1998 c 239 s 1, homes built to 42 USC Sections 5401 through 5403 standards (as amended in 2000) shall be regulated for the purposes of siting, in the same manner as site-built homes, factory-built homes, or homes built to any other approved state construction.

6. Manufactured homes to be placed within the city shall not be older than three calendar years from the date of complete permit application submittal. The applicant is required to provide the vehicle identification number (VIN) information.

7. All spaces measured from the underside of the home to finished grade shall be enclosed with a decorative skirting.

8. Manufactured homes shall be thermally equivalent to the current State Energy Code.

9. The minimum manufactured home size shall be at least two fully enclosed parallel sections each not less than 12 feet wide by 36 feet long.

10. Coated metal, tin, or vinyl roofing material is not permitted.

11. Manufactured homes shall comply with all other development standards of this code. [Ord. 3796 § 2, 2010].