(A) Adopted by reference. The International Residential Code, 2021 Edition, including appendix chapters is hereby adopted by reference.
(B) Appendix chapters. The following appendix chapters are included:
(1) Appendix A (Sizing and Capacities of Gas Piping).
(2) Appendix B (Sizing of Vent Systems Serving Appliances Equipped with Draft Hoods, Category I Appliances, and Appliances Listed for Use with Type B Vents).
(3) Appendix C (Exit Terminals of Mechanical Draft and Direct-Vent Venting Systems).
(4) Appendix E (Manufactured Housing Used as Dwellings).
(5) Appendix G (Piping Standards for Various Applications).
(6) Appendix H (Patio Covers).
(7) Appendix I (Private Sewage Disposal).
(8) Appendix J (Existing Buildings and Structures).
(9) Appendix K (Sound Transmission).
(10) Appendix Q (Tiny Homes).
(C) Amendments. The following sections are hereby revised:
(1) Section R101.1. Insert: City of Lead.
(2) Section R108.2. Insert: Chapter 150, Section 150.13 of the City of Lead’s Code of OrdinancesBuilding Permit Fees.
(3) Table R301.2(1). Insert:
Ground Snow Load: 60 pounds per square foot
Wind Speed: 115 miles per hour
Seismic Design Category: B
Weathering: Severe
Frost line Depth: 48 inches
Decay: None to Slight
Winter Design Temperature: minus 15° Fahrenheit
Ice Shield Under-Layment Required: Yes
Flood Hazards: Map @ Lead City Hall
Air Freezing Index: >1000-2000
Mean Annual Temperature: 45° Fahrenheit
(4) Section P2603.5.1. Insert: 30 inches, 30 inches.
(5) Section P3103.1. Insert: 24 inches, 6 inches.
(D) Exclusions. The following section is hereby excluded:
(1) Section P2904. Dwelling Unit Fire Sprinkler System.
(Ord. 1002-10, passed 12-20-2010; Ord. 1047-16, passed 4-4-2016; Ord. 1091-23, passed 7-7-2023)