Chapter 17.01 INTERNATIONAL BUILDING CODE

Chapter 17.01
INTERNATIONAL BUILDING CODE

Sections:

17.01.020 Amendments and additions.

17.01.010 Adoption.

The 2006 Edition of the International Building Code (IBC), as adopted and amended by the State Building Code Council in Chapter 51-50 WAC, as published by the International Code Council, excluding Chapter 1, Administration, is adopted by reference, together with the following amendments and additions. The Construction Administrative Code, as set forth in Chapter 17.14 MICC, shall be used in place of IBC Chapter 1, Administration.

The following appendices of the 2006 Edition of the International Building Code are also adopted by reference: Appendix E – Supplementary Accessibility Requirements and Appendix H – Signs. (Ord. 07C-04 § 1; Ord. 04C-12 § 4).

17.01.020 Amendments and additions.

A. IBC Section 312.1 Amended – Utility and Miscellaneous Group U, General. Section 312.1 of the International Building Code is hereby amended to read as follows:

Section 312.1 – General. Buildings and structures of an accessory character and miscellaneous structures not classified in any specific occupancy shall be constructed, equipped and maintained to conform to the requirements of this code commensurate with the fire and life hazard incidental to their occupancy. Group U shall include, but not be limited to, the following:

Agricultural buildings

Aircraft hangars, accessory to a one- or two-family residence (see Section 412.3)

Barns

Carports

Fences more than 6 feet (1,829 mm) high

Grain silos, accessory to a residential occupancy

Greenhouses

Livestock shelters

Private garages

Retaining walls

Sheds

Stables

Tanks

Towers

Waterfront structures

B. IBC Section 405.9 Amended – Underground Buildings, Standby Power. Section 405.9 of the International Building Code is hereby amended to read as follows:

Section 405.9 – Standby power. A standby power system complying with Section 2702 shall be provided for standby power loads specified in Section 405.9.1. Fuel-fired emergency generator sets and associated fuel storage, including optional generator sets, located more than 30 feet below the lowest level of exit discharge requires the approval of the Fire Code Official.

C. IBC Section 501.2 Amended – General Building Heights and Areas, General, Premises Identification. Section 501.2 of the International Building Code is hereby amended to read as follows:

Section 501.2 – Premises identification. Approved numbers or addresses shall be provided for new buildings in such a position as to be clearly visible and legible from the street or roadway fronting the property. Letters or numbers shall be a minimum 6 inches (152 mm) in height and stroke of minimum 0.5 inch (12.7 mm) of contrasting color to the background itself.

D. IBC Section 1704.1 Amended – Special Inspections, General. Section 1704.1 of the International Building Code is hereby amended by deleting Exception 3 that exempts special inspection requirements for R-3 and U occupancies to read as follows:

Section 1704.1 – General. Where application is made for construction as described in this section, the owner or the registered design professional in responsible charge acting as the owner’s agent shall employ one or more special inspectors to provide inspections during construction on the types of work listed under Section 1704. The special inspector shall be a qualified person who shall demonstrate competence, to the satisfaction of the building official, for inspection of the particular type of construction or operation requiring special inspection. These inspections are in addition to the inspections specified in Section 109.

Exceptions:

1. Special inspections are not required for work of a minor nature or as warranted by conditions in the jurisdiction as approved by the building official.

2. Special inspections are not required for building components unless the design involves the practice of professional engineering or architecture as defined by applicable state statutes and regulations governing the professional registration and certification of engineers or architects.

E. IBC Section 1704.12 Amended – Special Inspections, Exterior Insulation and Finish Systems (EIFS). Section 1704.12 of the International Building Code is hereby amended to read as follows:

IBC Section 1704.12 – Exterior insulation and finish systems (EIFS). Special inspections shall be required for all EIFS applications. All EIFS applications shall be certified by the manufacturer as having been installed per the manufacturer’s installation recommendations or other agency approved by the building official. The manufacturer certification shall serve as the special inspection requirement when approved by the building official.

F. IBC Section 3110 Added – Waterfront Structures. Section 3110 of the International Building Code is hereby added to read as follows:

SECTION 3110 – WATERFRONT STRUCTURES

Section 3110.1 General. In addition to other requirements of this code, all waterfront structures including, but not limited to docks, piers, wharves, floats, mooring piles, anchor buoys, bulkheads, submerged or overhead wires, pipes, and cables, and any object passing beneath, through or over the water beyond the line of ordinary high water shall comply with the regulations of this section.

Section 3110.2 Approvals required. Before any permit for a new waterfront structure or revisions to an existing waterfront structure is issued by the building official, the applicant shall obtain prior approval from all applicable state and federal agencies.

Section 3110.3 Definitions. For the purposes of this section, certain terms are defined as follows:

BULKHEAD. A retaining wall or erosion-control structure along a waterfront.

COVERED WATERFRONT STRUCTURE. Any waterfront structure covered in whole or in part by a roof.

COVERED WATERFRONT STRUCTURE BUILDING AREA. The area lying directly beneath the portion of a structure covered by a roof.

SUBSTRUCTURE. That portion of the construction of a dock, pier, wharf or other similar waterfront structure below and including the deck.

SUPERSTRUCTURE. That portion of the construction of a dock, pier, wharf or other similar waterfront structure above the deck.

Section 3110.4 Construction Requirements. Waterfront structures shall comply with Sections 3110.4.1 through 3110.4.3.

Section 3110.4.1 Substructure. The substructure may be constructed of any materials allowed by this code. All decks shall sustain, within the limitations of this code, all dead loads plus a live load of not less than 100 pounds per square foot, assumed to act vertically. In addition to the live load requirement, all structures and every portion thereof shall be designed and constructed to resist a horizontal force of not less than 100 pounds per lineal foot acting at the deck line, in any direction.

Exception: For waterfront structures serving only a single dwelling, a live load of 40 psf may be used and a horizontal force need only be considered where applicable.

Section 3110.4.2 Superstructure. The superstructure shall be designed and constructed to sustain all dead loads, live loads, and wind loads required by this code, and shall be constructed of any materials allowed by this code, except when the building area of a covered waterfront structure exceeds 1,000 square feet the entire superstructure and deck shall be constructed of noncombustible materials or as required for Type IV-HT Construction per IBC Section 602.4.

Section 3110.4.3 Hardware. All hardware used structurally shall be of a corrosive-resistant metal such as aluminum, brass, copper, and stainless steel, or be completely protected by a coating of approved paint or corrosive-resistant metal, such as zinc.

G. IBC Appendix H, Section H101.3, Added – Signs, General, Conflict with Mercer Island City Code. Appendix H, Section H101.3 of the International Building Code is hereby added to read as follows:

Section H101.3, Conflict with Mercer Island City Code. If any provisions of IBC Appendix H are in conflict with any provisions of the Mercer Island City Code, the applicable provisions of the Mercer Island City Code shall govern.

(Ord. 07C-04 § 2; Ord. 04C-12 § 4).