COMMISSION 
AGENDA MEMORANDUM                        Item No.          8g 
ACTION ITEM                            Date of Meeting      January 26, 2021 
DATE:     December 11, 2020 
TO:        Executive Director Stephen P. Metruck 
FROM:    KC Ellis, Sr. Manager, Airport Building Department 
Jeffrey Brown, Chief Operating Officer, Aviation Division 
Eileen Francisco, Director Facilities & Capital Programs 
SUBJECT:  Adoption of Resolution No. 3783 to adopt the 2018 Building Codes, Amendments 
and Permit Fee Schedules. 

Amount of this request:                           $0.00 
Total estimated project cost:                       $0.00 

ACTION REQUESTED 
Request adoption of Resolution No. 3783: a resolution of the Port Commission of the Port of
Seattle adopting the 2018 editions of the International Code Council, Building, Mechanical, Fire
Codes and Fuel Gas Code, the 2018  Edition of the  Uniform Plumbing Code, and 2018 
Washington State Energy Code and the editorial changes made to the State Building Code by
the Washington State Legislature; repealing certain sections of the Airport Building Code;
adopting new sections of the Airport Building Code and repealing Resolution No. 3745, as
amended. 
EXECUTIVE SUMMARY 
The building industry, contractors, designers, developers, and project managers depend on
statewide uniformity in the codes that impact their businesses. Projects at the SeaTac airport
are built to the 2018 state code. The adoption of this resolution will update the administrative
portions of the building code to fit with the airport environment. In addition, several building
code amendments will help streamline the permit process. 
JUSTIFICATION 
The State Building Code Council was created to advise the legislature on building code issues
and develop building codes used in the State of Washington. In the course of development of
the State Building Code (otherwise known as Chapter 19.27 RCW), the Council holds public
hearings, considers proposed state amendments, and adopts the international model codes
and amendments. This process occurs on a three-year cycle. The three-year cycle assures up-to-

Template revised September 22, 2016.

COMMISSION AGENDA  Action Item No. 8g                                   Page 2 of 3 
Meeting Date: January 26, 2021 
date performance for fire, health and life safety codes. The amendments better protect the
public health, welfare and safety of the unique airport environment.
Diversity in Contracting 
N/A-No procurement proposed. 
DETAILS 
Adoption of the following 2018 editions of the model codes numerated in RCW 19.27 follows: 
International Building Code (IBC) with statewide amendments including Appendix B, J and E 
ICC/ANSI A117.1-09 Accessible and Usable Buildings and Facilities with statewide amendments 
International Residential Code with statewide amendments including Appendices F and Q 
International Mechanical Code with statewide amendments 
International Fuel Gas Code with statewide amendments (noted in the IMC adoption) 
2017 Liquefied Petroleum Gas Code (NFPA 58) 
National Fuel Gas Code (NFPA 54) (for LP Gas installations only) 
International Fire Code with statewide amendments 
Uniform Plumbing Code with statewide amendments including appendices A, B, and I 
Washington State Energy Code 
International Existing Building Code with statewide amendments found in the IBC 
International Swimming Pool and Spa code 
International Performance Code 
Some Significant Changes include:
1.      Added Grading and Clearing permits that will streamline the permit process.
2.     2018 IBC now has scoping for All Gender Restrooms, gives the Port flexibility to assign as
many restrooms as desired since it's based on the total number of fixtures.
3.       Board of Appeals procedures added to assist other AV groups and ADR. 
Scope of Work 
N/A-No procurement proposed. 
Schedule 
N/A-No procurement proposed. 
ALTERNATIVES AND IMPLICATIONS CONSIDERED 
Alternative 1  Status Quo, No action taken 
Pros: 
(1)    Less administrative work for Accounting 
(2)   Fewer building code provisions 

Template revised September 22, 2016; format updates October 19, 2016.

COMMISSION AGENDA  Action Item No. 8g                                   Page 3 of 3 
Meeting Date: January 26, 2021 
Cons: 
(1)   Codes not tailored to the airport environment 
(2)   Permit process will not be streamlined 
This is not the recommended alternative. 
Alternative 2  Approve 2018 Code Adoption and Amendments 
Pros: 
(1)   Fire, health and life safety codes customized for the airport environment 
(2)   Streamlines the permit process 
Cons: 
(1)   More building code provisions 
(2)   Time delays for permit issuance 
This is the recommended alternative. 

FINANCIAL IMPLICATIONS 
None. 
ATTACHMENTS TO THIS REQUEST 
(1)   Draft Resolution No. 3783 
(2)   Table 109.2 Permit Fee Schedule 
(3)   Table 109.3 Grading Permit Fee Schedule 
(4)   Presentation slides 
PREVIOUS COMMISSION ACTIONS OR BRIEFINGS 
February 27, 2018  The Commission approved Resolution No. 3745 
June 8, 2004  The Commission approved Resolution No. 3527 
June 6, 2001  The Commission approved Resolution No. 3454 
November 14, 2000  The Commission approved Resolution No. 3445 
August 26, 1997  The Commission approved Resolution No. 3251 
August 8, 1992  The Commission approved Resolution No. 3119 




Template revised September 22, 2016; format updates October 19, 2016.