Title 16 - BUILDING AND CONSTRUCTION ... - King County

16.02.120 Modifications to the code. The county council hereby declares that amendments,
additions, deletions, and administrative rules are necessary to modify and clarify the code for its
application in King County. Such modifications and administrative rules shall be prepared by the director,
and, in the case of modifications, adopted by the council, they shall be codified within this chapter or in the
case of administrative rules, as specified in K.C.C. 2.98. These codes, modifications, and administrative
rules constitute county regulation for any activity subject to the code. The director shall make the adopted
modifications and administrative rules readily available at reasonable cost to persons performing any
activity subject to the code. (Ord. 12560 § 3, 1996: Ord. 8184 § 2, 1987: Ord. 3647 § 5, 1978. Formerly
K.C.C. 16.04.040).
16.02.130 Modifications adopted. The King County modifications to the 2006 editions of the
International Building Code, International Residential Code for One- and Two-Family Dwellings,
International Mechanical Code, International Property Maintenance Code, and the Security Code are
adopted as part of the code. (Ord. 17191 § 2, 2011: Ord. 15802 § 2, 2007: Ord. 14914 § 7, 2004: Ord.
14111 § 5, 2001: Ord. 12560 § 4, 1996: Ord. 10608 § 3, 1992. Formerly K.C.C. 16.04.050).
16.02.135 International Mechanical Code - Administration. Chapter 1 of the International
Mechanical Code is not adopted and Chapter 1 of the International Building Code as amended and
supplemented in this chapter is substituted. (Ord. 15802 § 3, 2007).
16.02.140 International Residential Code - Administration. Chapter 1 of the International
Residential Code for One- and Two-Family Dwellings is not adopted and Chapter 1 of the International
Building Code as amended and supplemented in this chapter is substituted. (Ord. 14914 § 8, 2004).
16.02.150 General - Title. Section 101.1 of the International Building Code is not adopted and
the following is substituted:
Title (IBC 101.1). These regulations shall be known as the Building Codes of King County.
These codes are the International Building Code (IBC), the International Residential Code for One- and
Two-Family Dwellings (IRC) and the International Mechanical Code (IMC). (Ord. 15802 § 4, 2007: Ord.
14914 § 9, 2004).
16.02.152 General - Scope. Section 101.2 of the International Building Code is not adopted and
the following is substituted:
Scope (IBC 101.2). The provisions of this code shall apply to the construction, alteration,
movement, enlargement, replacement, repair, equipment, use and occupancy, location, maintenance,
removal and demolition of every building or structure or any appurtenances connected or attached to such
buildings or structures.
EXCEPTIONS:
1. The provisions of the International Residential Code for One- and Two-Family Dwellings shall
apply to the construction, alteration, movement, enlargement, replacement, repair, equipment, use and
occupancy, location, removal and demolition of detached one- and two-family dwellings and multiple
single-family dwellings (townhouses) not more than three stories in height with a separate means of
egress and their accessory structures, including adult family homes, foster family care homes and family
day care homes licensed by the Washington state department of social and health services
2. The provisions of the International Residential Code for One- and Two-Family Dwellings shall
apply to detached residential accessory structures that are used for home occupations and home
industries that include offices, mercantile, food preparation for off-site consumption, personal care salons
and similar uses, if the home occupation or home industry is subordinate to the primary residential use of
the site and the total cumulative floor area devoted to the home occupation or home industry in all
detached accessory structures on-site is less than or equal to 500 square feet (46.4m2).
3. The provisions of the International Mechanical Code shall regulate the design, installation,
maintenance, alteration and inspection of mechanical systems that are permanently installed and utilized
to provide control of the environmental conditions and related processes within buildings. This code shall
also regulate those mechanical systems, system components, equipment and appliances specifically
addressed herein. The installation of fuel gas distribution piping and equipment, fuel gas-fired appliances
and fuel gas-fired appliance venting systems shall be regulated by the International Fuel Gas Code. (Ord.
15802 § 5, 2007).
16.02.160 Applicability – Referenced Codes and Standards. Section 102.4 of the
International Building Code is not adopted and the following is substituted: