(A) The 2021 International Building Code is hereby amended, altered, modified and changed in the following respects:
(1) Amend Section 202, Definitions, by adding the following definitions:
ELECTRICAL CODE: The Electrical Code for this jurisdiction shall be Chapter 10 of the Bellevue City Code.
FIRE CODE: The Fire Code for this jurisdiction shall be Chapter 12 of the Bellevue City Code and all codes adopted therein.
FUEL GAS CODE: The Fuel Gas Code for this jurisdiction shall be the International Fuel Gas Code.
ICC ELECTRICAL CODE: Wherever reference is made to the ICC Electrical Code it shall mean "Electrical Code". See definition for "Electrical Code".
INTERNATIONAL FIRE CODE: Whenever reference is made to the International Fire Code it shall mean "Fire Code".
INTERNATIONAL MECHANICAL CODE: Whenever reference is made to the International Mechanical Code, it shall mean "Mechanical Code" See definition for "Mechanical Code".
INTERNATIONAL PLUMBING CODE: Wherever reference is made to the International Plumbing Code it shall mean "Plumbing Code". See definition for "Plumbing Code".
MECHANICAL CODE: The Mechanical Code for this jurisdiction shall be Article VII, Chapter 27 of the Bellevue City Code.
PLUMBING CODE: The Plumbing Code for this jurisdiction shall be Article IV, Chapter 27 of the Bellevue City Code.
(2) Amend Section (F) 903.3.1.2 NFPA 13R sprinkler systems, to read as follows:
Automatic sprinkler systems in Group R occupancies up to and including four stories in height in buildings not exceeding 60 feet (18 288 mm) in height above grade plane shall be permitted to be installed throughout in accordance with NFPA 13R.
The number of stories of Group R occupancies constructed in accordance with Sections 510.2 and 510.4 shall be measured from the horizontal assembly creating separate buildings.
(3) Section 1502.5, Rain water. Add a new section as follows:
When roofs are sloped to drain over the edge, scuppers or gutters and down spouts, adequately sized, pitched, and supported, shall be installed to conduct rain water to ground level. Rain water shall be discharged at least three (3) feet away from the building foundation in a direction parallel to the adjoining property line when the discharge point is within twenty (20) feet of the adjoining property line.
Exception: Structures with no sub-grade spaces.
(4) Section 1807.1.4, Permanent Wood Foundation Systems. Delete this section in its entirety.
(5) Section 1809.12, Timber footings. Delete this section in its entirety.
(6) Section 1809.5, Frost protection. Delete this section and the exceptions in their entirety and replace with:
Except where erected on solid rock or otherwise protected from frost, foundation walls, piers, and other permanent supports of buildings and structures larger than seven hundred fifty (750) square feet in area or ten (10) feet in height shall extend below the established frost line. The established frost line shall be 42 inches below the exterior grade of the structure.
Exceptions:
1. The bottom surface of footings for unattached garages and accessory structures of wood or metal not more than seven hundred fifty (750) square feet in area shall not be less than one (1) foot below grade.
2. The bottom surface of foundations that bear on rock surfaces is not required to be below the established frost line provided the rock does not have seams or cracks or contain disintegrated material that could serve as reservoirs for water which could be subject to freezing.
(7) Chapter 29, Plumbing Systems. Delete this chapter in its entirety and change to read as follows:
Plumbing systems shall be installed in accordance with Chapter 27 of the Bellevue City Code.
(B) The 2018 International Energy Conservation Code is hereby amended, altered, modified and changed in the following respects:
(1) Amend Section R303.3, Maintenance information, by deleting the second and third sentences from this section.
(2) Amend Table R402.1.2 by changing climate zone 5 and Marine 4 - Basement Wall R-value to read as follows:
(3) Section R402.4.1.2, Testing. Delete this section in its entirety.
(4) Amend Section R403.3.3, Duct Testing (mandatory), by adding exception 3 to read as follows:
Exception 3. A duct air-leakage test shall not be required for ducts that are sprayed with closed cell foam.
(5) Amend Section R403.3.5, Building Cavities (mandatory), by adding an exception as follows:
Exception: Interior building cavities may be used as ducts or plenums for return air when completely panned and sealed.
(6) Amend Section R403.5.1.1, Circulation systems, to read as follows:
Heated water circulation systems shall be provided with a circulation pump. The system return pipe shall be a dedicated return pipe or a cold-water supply pipe. Gravity and thermosyphon circulation systems shall be prohibited. Controls for circulation hot water system pumps shall start the pump based on the identification of a demand for hot water within the occupancy. The controls may automatically turn off the pump when the water in the circulation loop is at the desired temperature and when there is no demand for hot water.
(7) Amend Section R403.6, Mechanical ventilation (mandatory), to read as follows:
When buildings and dwelling units are provided with mechanical ventilation it shall meet the requirements of Section Ml505 of the International Residential Code or with other approved means of ventilation. Outdoor air intakes and exhausts shall have automatic or gravity dampers that close when the ventilation system is not operating.
(8) Delete Section R403.8, Systems serving multiple dwelling units, in its entirety.
(Ord. 2135, § 2, passed 6-9-1980; Ord. 2356, § 4, passed 6-10-1985; Ord. 2554, § 1, passed 6-29-1989; Ord. 2646, § 2, passed 11-25-1991; Ord. 2684, § 1, passed 5-11-1992; Ord. 2707, § 1, passed 9-14-1992; Ord. 2708, § 1, passed 9-14-1992; Ord. 2711, § 1, passed 9-28-1992; Ord. 2739, § 2, passed 4-26-1993; Ord. 2763, § 1, passed 8-23-1993; Ord. 2905, §§ 1—3, passed 8-12-1996; Ord. 2921, §§ 1—5, passed 11-12-1996; Ord. 3077, § 2, passed 1-24-2000; Ord. 3148, § 3, passed 3-26-2001; Ord. 3332, § 1, passed 9-27-2004; Ord. 3359, § 1, passed 4-11-2005; Ord. 3378, § 2, passed 11-14-2005; Ord. 3516, § 2, passed 5-11-2009; Ord. 3652, § 2, passed 11-28-2011; Ord. 3790, § 2, passed 12-8-2014; Ord. 4032, § 2, passed 5-4-2021; Ord. 4095, § 1, passed 5-3-2022)