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Boise, ID Code of Ordinances
CITY CODE of BOISE CITY, IDAHO
ORDINANCES PENDING REVIEW FOR CODIFICATION
ADOPTING ORDINANCE
TITLE 1 ADMINISTRATION
TITLE 2 BOARDS, COMMISSIONS, COMMITTEES
TITLE 3 LICENSES AND PERMITS
TITLE 4 HEALTH AND SANITATION
TITLE 5 PUBLIC SAFETY
TITLE 6 MOTOR VEHICLES AND TRAFFIC
TITLE 7 PUBLIC WAYS AND PROPERTY
TITLE 8 AIRPORT
TITLE 9 BUILDING CODES AND REGULATIONS
CHAPTER 1 BUILDING CODE
ARTICLE A. BUILDING CODE
ARTICLE B. ONE- AND TWO-FAMILY DWELLING BUILDING CODE
9-1B-1: PURPOSE:
9-1B-2: CODE ADOPTED:
9-1B-3: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R101.1, TITLE:
9-1B-4: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R101.2, SCOPE, REPEAL THE EXCEPTION AND REPLACE:
9-1B-5: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R102.7, EXISTING STRUCTURES:
9-1B-6: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R103, DIVISION OF BUILDING SAFETY:
9-1B-7: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R104.10.1, FLOOD HAZARD AREAS:
9-1B-8: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R105.2, WORK EXEMPT FROM PERMIT:
9-1B-9: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R105.2.1, EMERGENCY REPAIRS:
9-1B-10: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R105.2.2, REPAIRS:
9-1B-11: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R105.3.1.1, DETERMINATION OF SUBSTANTIALLY IMPROVED OR SUBSTANTIALLY DAMAGED EXISTING BUILDINGS IN FLOOD HAZARD AREAS:
9-1B-12: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R105.3.2, TIME LIMITATION OF APPLICATION:
9-1B-13: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R105.5, EXPIRATION:
9-1B-14: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, ADD SECTION R105.10, PERMIT TRANSFER:
9-1B-15: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R106.1, SUBMITTAL DOCUMENTS:
9-1B-16: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R107.1, TEMPORARY STRUCTURES - GENERAL:
9-1B-17: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R107.3, TEMPORARY POWER:
9-1B-18: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R108.2, SCHEDULE OF PERMIT FEES:
9-1B-19: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R108.3, BUILDING PERMIT VALUATIONS:
9-1B-20: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R108.5, FEE REFUNDS:
9-1B-21: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R108.6, WORK COMMENCING BEFORE PERMIT ISSUANCE:
9-1B-22: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R109.1.3, FLOODPLAIN INSPECTIONS:
9-1B-23: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R109.4, APPROVAL REQUIRED:
9-1B-24: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, ADD SECTION R110.1.1, CERTIFICATE OF COMPLETION:
9-1B-25: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R110.4, TEMPORARY OCCUPANCY:
9-1B-26: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R111.1, CONNECTION OF SERVICE UTILITIES:
9-1B-27: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, ADD SECTION R111.4, AUTHORITY TO DISCONNECT UTILITIES FOR OCCUPANCY VIOLATIONS:
9-1B-28: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R112.1, BUILDING CODE BOARD OF APPEALS, ADD SECTION R112.1.1, APPEALS TO THE BUILDING CODE BOARD OF APPEALS AND ADD SECTION R112.1.2, APPEAL PROCEDURE:
9-1B-29:
9-1B-30: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R114, STOP WORK ORDER:
9-1B-31: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, ADD SECTION R115, UNSAFE STRUCTURES AND EQUIPMENT AND SECTION R115.1, CONDITIONS:
9-1B-32: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R202, DEFINITION FOR TOWNHOUSE:
9-1B-33: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, TABLE R301.2(1), CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA:
9-1B-34: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R301.2.1.2, PROTECTION OF OPENINGS, IS DELETED:
9-1B-35: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, TABLE R302.1(1), EXTERIOR WALLS:
9-1B-36: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, TABLE R302.6, DWELLING-GARAGE SEPARATION:
9-1B-37: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R303.4, MECHANICAL VENTILATION:
9-1B-38: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R309.3, FLOOD HAZARD AREAS:
9-1B-39: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R313.1, TOWNHOUSE AUTOMATIC FIRE SPRINKLER SYSTEMS EXCEPTION:
9-1B-40: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R313.2, ONE- AND TWO-FAMILY DWELLINGS AUTOMATIC FIRE SPRINKLER SYSTEMS, IS DELETED:
9-1B-41: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R314.2.2, ALTERATIONS, REPAIRS AND ADDITIONS, DELETE EXCEPTION #2:
9-1B-42: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, ADD SECTION R314.7.5, HEAT DETECTOR WITHIN GARAGES:
9-1B-43: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R315.2.2, ALTERATIONS, REPAIRS AND ADDITIONS, DELETE EXCEPTION #2:
9-1B-44: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R322.1, FLOOD-RESISTANT CONSTRUCTION, GENERAL:
9-1B-45: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R322.1.10, AS-BUILT ELEVATION DOCUMENTATION:
9-1B-46: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R322.2.1, ELEVATION REQUIREMENTS:
9-1B-47: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R322.2.2, ENCLOSED AREA BELOW DESIGN FLOOD ELEVATION, SUBPARAGRAPH 2.1:
9-1B-48: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, TABLE R403.1(1) MINIMUM WIDTH AND THICKNESS FOR CONCRETE FOOTINGS FOR LIGHT-FRAME CONSTRUCTION, TABLE R403.1(2) MINIMUM WIDTH AND THICKNESS FOR CONCRETE FOOTINGS FOR LIGHT-FRAME CONSTRUCTION WITH BRICK VENEER, TABLE R403.1(3) MINIMUM WIDTH AND THICKNESS FOR CONCRETE FOOTINGS WITH CAST-IN-PLACE OR FULLY GROUTED MASONRY WALL CONSTRUCTION, AND TABLE R403.4 MINIMUM DEPTH (D) AND WIDTH (W) OF CRUSHED STONE FOOTINGS, ARE DELETED:
9-1B-49: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, ADD TABLE R403.1, MINIMUM WIDTH OF CONCRETE, PRECAST, OR MASONRY FOOTINGS:
9-1B-50: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R403.1.1, MINIMUM SIZE:
9-1B-51: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R602.10, WALL BRACING:
9-1B-52: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R903.1, GENERAL ROOF COVERING:
9-1B-53: ADDITION OF GRADING PROVISIONS RELATED TO ONE-AND-TWO-FAMILY DWELLINGS:
9-1B-54: ADDITION OF MINIMUM STANDARDS FOR MODULAR NON-HUD STRUCTURES AND MANUFACTURED PRE-HUD STRUCTURES:
9-1B-55: FIRE SPRINKLER AND ALTERNATIVE EXTINGUISHING SYSTEM PERMITS, PLAN REVIEW, INSPECTIONS, AND FEES:
9-1B-56: FIRE ALARM SYSTEM PERMITS, PLAN REVIEW, INSPECTIONS, AND FEES:
CHAPTER 2 DEVELOPMENT IMPACT FEE
CHAPTER 3 SPECIAL DESIGN STANDARDS FOR TYPE V CONSTRUCTION
CHAPTER 4 PLUMBING CODE
CHAPTER 5 ELECTRICAL CODE
CHAPTER 6 UNIFORM HOUSING CODE
CHAPTER 7 MECHANICAL, FUEL GAS AND RESIDENTIAL CODES1
CHAPTER 7A MECHANICAL CODE
CHAPTER 7B FUEL GAS CODE
CHAPTER 8 SOLID FUEL HEATING APPLIANCES
CHAPTER 9 ENERGY CONSERVATION CODE
CHAPTER 10 EXISTING BUILDING CODE
CHAPTER 11 DANGEROUS BUILDINGS CODE
CHAPTER 12 MOVING, DECONSTRUCTION, OR DEMOLITION OF BUILDINGS
CHAPTER 13 GREEN CONSTRUCTION CODE
CHAPTER 14 CONSTRUCTION SITE EROSION CONTROL
TITLE 10 PUBLIC UTILITIES
TITLE 11 DEVELOPMENT CODE
PARALLEL REFERENCES
9-1B-48: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, TABLE R403.1(1) MINIMUM WIDTH AND THICKNESS FOR CONCRETE FOOTINGS FOR LIGHT-FRAME CONSTRUCTION, TABLE R403.1(2) MINIMUM WIDTH AND THICKNESS FOR CONCRETE FOOTINGS FOR LIGHT-FRAME CONSTRUCTION WITH BRICK VENEER, TABLE R403.1(3) MINIMUM WIDTH AND THICKNESS FOR CONCRETE FOOTINGS WITH CAST-IN-PLACE OR FULLY GROUTED MASONRY WALL CONSTRUCTION, AND TABLE R403.4 MINIMUM DEPTH (D) AND WIDTH (W) OF CRUSHED STONE FOOTINGS, ARE DELETED:
Table R403.1(1) Minimum Width And Thickness For Concrete Footings For Light-Frame Construction, Table R403.1(2) Minimum Width And Thickness For Concrete Footings For Light-Frame Construction With Brick Veneer, Table R403.1(3) Minimum Width And Thickness For Concrete Footings With Cast-In-Place Or Fully Grouted Masonry Wall Construction, and Table R403 Minimum Depth (D) and Width (W) Of Crushed Stone Footings, are hereby deleted.
(Ord. 40-20, 12-1-2020, eff. 1-1-2021)
9-1B-49: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, ADD TABLE R403.1, MINIMUM WIDTH OF CONCRETE, PRECAST, OR MASONRY FOOTINGS:
Add Table R403.1, Minimum Width Of Concrete, Precast, Or Masonry Footings as follows:
   TABLE R403.1
   MINIMUM WIDTH OF CONCRETE, PRECAST, OR MASONRY FOOTINGS (inches)a
LOAD-BEARING VALUE OF SOIL (psf)
1,500
2,000
3,000
4,000
LOAD-BEARING VALUE OF SOIL (psf)
1,500
2,000
3,000
4,000
   Conventional light-frame construction
1-Story
12
12
12
12
2-Story
15
12
12
12
3-Story
23
17
12
12
   4-inch brick veneer over light-frame or 8-inch hollow concrete masonry
1-Story
12
12
12
12
2-Story
21
16
12
12
3-Story
32
24
16
12
   8-inch solid or fully grouted masonry
1-Story
16
12
12
12
2-Story
29
21
14
12
3-Story
42
32
21
16
 
   For SI: 1 inch = 25.4mm, 1 pound per square foot = 0.0479 kPa.
   a.   Where minimum footing width is twelve (12) inches, use of a single wythe of solid or fully grouted twelve (12) inch nominal concrete masonry units is permitted.
(Ord. 40-20, 12-1-2020, eff. 1-1-2021)
9-1B-50: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R403.1.1, MINIMUM SIZE:
Repeal Section R403.1.1, Minimum size, and replace as follows:
   R403.1.1 Minimum size. Minimum sizes for concrete and masonry footings shall be as set forth in Table R403.1 and Figure R403.1(1). The footing width (W) shall be based on the load bearing value of the soil in accordance with Table R401.4.1. Spread footings shall be at least six (6) inches in thickness (T). Footing projections (P) shall be at least two (2) inches and shall not exceed the thickness of the footing. The size of
   footings supporting piers and columns shall be based on the tributary load and allowable soil pressure in accordance with Table R401.4.1. Footings for wood foundations shall be in accordance with the details set forth in Section R403.2 and Figures R403.1(2) and R403.1(3).
(Ord. 40-20, 12-1-2020, eff. 1-1-2021)
9-1B-51: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R602.10, WALL BRACING:
   R602.10 Wall bracing. Buildings shall be braced in accordance with this section or, when applicable, section R602.12 or the most current version of APA System Report SR-102 at the time of application for a permit as an alternate method. Where a building, or portion thereof, does not comply with one or more of the bracing requirements in this section, those portions shall be designed and constructed in accordance with section R301.1.
(Ord. 44-17, 12-19-2017, eff. 1-1-2018; amd. Ord. 40-20, 12-1-2020, eff. 1-1-2021)
9-1B-52: IRC ONE-AND-TWO-FAMILY DWELLING BUILDING CODE AMENDMENT, SECTION R903.1, GENERAL ROOF COVERING:
   R903.1 General. Roof decks shall be covered with approved roof coverings secured to the building or structure in accordance with the provisions of this chapter. Roof coverings shall be designed, installed, and maintained in accordance with this code and the approved manufacturer's installation instructions such that the roof covering shall serve to protect the building or structure. Roof covering requirements for hillside and Wildland Urban Interface areas are to be as regulated by the Fire Prevention Code, of Boise City Code.
(Ord. 44-17, 12-19-2017, eff. 1-1-2018; amd. Ord. 40-20, 12-1-2020, eff. 1-1-2021)

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