Chapter 15.06
INTERNATIONAL RESIDENTIAL CODE
Sections:
15.06.010 Residential code adopted.
15.06.010 Residential code adopted.
There is adopted, and by this reference made a part of this chapter as though fully set forth herein at length, that certain code known as the International Residential Code, 2021 Edition, as amended by Chapter 51-51 WAC, including Appendix Chapters H, Patio Covers, K, Sound Transmission, Q, Tiny homes and T, Solar-ready provisions, as the residential building code and standards of the city of Tumwater; provided, that Sections R105.3.2, R105.5, R108.2, R108.5, R108.6, R112, and Appendix T103.2 through T103.5 are not adopted; and further provided, those sections of the International Residential Code set forth in TMC 15.06.015 are amended as set forth below.
(Ord. O2024-001, Amended, 05/21/2024; Ord. O2021-005, Amended, 03/02/2021; Ord. O2016-031, Amended, 12/06/2016; Ord. O2013-008, Amended, 06/18/2013; Ord. O2010-017, Added, 12/21/2010)
15.06.015 Amendments.
The following sections of the International Residential Code as adopted in TMC 15.06.010 are amended to read as follows:
A. Section R101.1 shall be amended to read as follows:
Section R101.1. Title. These provisions shall be known as the Residential Code for One and Two Family Dwellings of the City of Tumwater, and shall be cited as such and will be referred to herein as the “residential code” or “this code.”
B. Section R105.2 shall be amended to read as follows:
Item 1. One story detached accessory structure used as tool and storage sheds, playhouses and similar uses, provided the floor is not greater than 200 square feet (18.58m2). Placed min. 5 five feet from each other on the same lot or to any lot line.
Item 2. Fences not over 7 feet (2134 mm) high. Fences not over 8 foot high used for agriculture purposes that are of a common “deer fence” design as described in TMC 18.46.030.
C. Section R108.3 shall be amended to read as follows:
Section R108.3 shall have a new sentence added to the end of the paragraph as follows:
The value for commonly built structures shall be determined by using the valuation table adopted by the Building Official by policy.
D. Table R301.2 (1) shall be amended to read as follows:
Table R301.2 (1), Climatic and Geographic Design Criteria, to be filled in as follows:
Roof Snow Load – 25 psi
Wind Speed (MPH) – 110
Seismic Design Category – D1
Weathering – Moderate
Frost Line Depth (inches) – 12
Termite – slight to moderate
Winter Design Temperature (degrees) – 17
Ice Barrier Underlayment Required – no
Flood Hazard – The most current Flood Insurance Rate Maps issued by FEMA
Air Freezing Index – 170
Mean Annual Temperature – 51° F
(Ord. O2024-001, Amended, 05/21/2024; Ord. O2016-031, Amended, 12/06/2016; Ord. O2010-029, Amended, 06/07/2011; Ord. O2010-017, Added, 12/21/2010)