§ 10-89. Amendments to the ICC International Residential Code for One- and Two-Family Dwellings, 2015 Edition.

The following provisions of the International Residential Code for One- and Two-Family Dwellings, 2015 Edition (IRC), as amended and revised by the Oklahoma Uniform Building Code Commission, are now added, deleted or amended to read as follows:

IRC Chapter 1 Scope and Administration

R101.1 Title - Stillwater Amendatory. Section R101.1 is amended to read as follows: These provisions shall be known and may be cited as the 'Residential Code for One- and Two-Family Dwellings of the City of Stillwater' or as the 'Stillwater Residential Code.'

R103.1 Creation of Enforcement Agency - Stillwater Amendatory. Section R103.1 is amended to read as follows: The building safety division of the development services department is here created and the official in charge shall be known as the building official.

R103.2 Appointment - Stillwater Amendatory. Section R103.2 is amended to read as follows: The chief appointing authority of the jurisdiction shall be the city manager.

R103.3 Deputies - Stillwater Amendatory. Section R103.3 is amended to read as follows: The city manager shall appoint all employees within the building safety division and such employees shall have the powers as established by the city manager and/or as delegated by the building official.

R105.3 Application for Permit - Stillwater Amendatory. Section R105.3 is amended to read as follows: To obtain a permit, the applicant shall first file an application in writing on a form furnished by the department of building safety for that purpose. Such application shall:

1.

Identify and describe the work to be covered by the permit for which application is made.

2.

Describe the land on which the proposed work is to be done by legal description, street address or similar description that will readily identify and definitely locate the proposed building or work.

3.

Indicate the use and occupancy for which the proposed work is intended.

4.

Be accompanied by construction documents and other information as required in section R106.1.

5.

Be electronically, digitally or physically signed by the applicant, or the applicant's authorized agent.

6.

Give other such data and information as required by the building official.

R108.2 Schedule of Permit Fees - Stillwater Amendatory. Section R108.2 is amended to read as follows: Permit fees shall be established by resolution of the city council, no portion of which shall be refundable.

R108.5 Refunds - Stillwater Deleted. Section R108.5 of this code is intentionally deleted from the International Residential Code for One- and Two-Family Dwellings, 2015 Edition.

R112 through R112.4 Board of Appeals - Stillwater Deleted. Sections R112 through R112.4 of this code are intentionally deleted from the International Residential Code for One- and Two-Family Dwellings, 2015 Edition. Appeals from an order, decision or determination of the building official shall be to the Building Trades Board and governed by Chapter 10, Article II of the Stillwater City Code; provided that the Building Trades Board shall not have any authority to wave the requirements of this code.

R113.4 Violation Penalties - Stillwater Amendatory. Section R113.4 is amended to read as follows: Any person violating any provision of this article, or any provision of the International Residential Code for One- and Two-Family Dwellings, 2015 Edition, as amended by the City of Stillwater and as subsequently adopted by reference as part of the Stillwater City Code shall, upon conviction, be guilty of a Class C offense.

R114 Stop Work Orders - Stillwater Amendatory. Section R114 is amended to read as follows: Upon notice from the building official, work on any building or structure that is being performed contrary to the provisions of this code or in a dangerous or unsafe manner shall immediately cease. Such notice shall be in writing to the owner of the property, or the owner's agent, or to the person performing the work. The notice shall state the conditions under which work is authorized to resume. Where an emergency exists, the building official shall not be required to give a written notice prior to stopping the work. Any person, firm or corporation who shall continue any work in or about the structure after having been served with a stop work order, except such work as that person is directed to perform to remove a violation or unsafe condition shall, upon conviction, be guilty of a Class C offense.

IRC Chapter 3 Building Planning

Table R301.2(1) Climatic and Geographic Design Criteria - Stillwater Amended. Table R301.2(1) is amended to read as follows:

Table R301.2(1) Climatic and Geographic Design Criteria

For SI: 1 pound per square foot = 0.0479 kPa, 1 mile per hour = 0.447 m/s.

a. Weathering may require a higher strength concrete or grade of masonry than necessary to satisfy the structural requirements of this code. The weathering column shall be filled in with the weathering index, "negligible," "moderate" or "severe" for concrete as determined from figure R301.2(3). The grade of masonry units shall be determined from ASTM C 34, C 55, C 62, C 73, C 90, C 129, C 145, C 216 or C 652.

b. The frost line depth may require deeper footings than indicated in Figure R403.1(1). The jurisdiction shall fill in the frost line depth column with the minimum depth of footing below finish grade.

c. The jurisdiction shall fill in this part of the table to indicate the need for protection depending on whether there has been a history of local subterranean termite damage.

d. The jurisdiction shall fill in this part of the table with the wind speed from the basic wind speed map [Figure R301.2(4)A]. Wind exposure category shall be determined on a site-specific basis in accordance with Section R301.2.1.4.

e. The outdoor design dry-bulb temperature shall be selected from the columns of 97 ½ - percent values for winter from Appendix D of the International Plumbing Code. Deviations from the Appendix D temperatures shall be permitted to reflect local climates or local weather experience as determined by the building official.

f. The jurisdiction shall fill in this part of the table with the seismic design category determined from Section R301.2.2.1.

g. The jurisdiction shall fill in this part of the table with (a) the date of the jurisdiction 's entry into the National Flood Insurance Program (date of adoption of the first code or ordinance for management of flood hazard areas), (b) the date(s) of the Flood Insurance Study and (c) the panel numbers and dates of the currently effective FIRMs and FBFMs or other flood hazard map adopted by the authority having jurisdiction , as amended.

h. In accordance with Sections R905.1.2, R905.4.3.1, R905.5.3.1, R905.6.3.1, R905.7.3.1 and R905.8.3.1, where there has been a history of local damage from the effects of ice damming, the jurisdiction shall fill in this part of the table with "YES." Otherwise, the jurisdiction shall fill in this part of the table with "NO."

i. The jurisdiction shall fill in this part of the table with the 100-year return period air freezing index (BF-days) from Figure R403.3(2) or from the 100-year (99 percent) value on the National Climate Data Center data table "Air Freezing Index-USA Method (Base 32° F)."

j. The jurisdiction shall fill in this part of the table with the mean annual temperature from the National Climate Data Center data table "Air Freezing Index-USA Method (Base 32° F)."

k. In accordance with Section R301.2.1.5, where there is local historical data documenting structural damage to buildings due to topographic wind speed-up effects, the jurisdiction shall fill in this part of the table with "YES." Otherwise, the jurisdiction shall indicate "NO" in this part of the table.

l. In accordance with Figure R301.2(4)A, where there is local historical data documenting unusual wind conditions, the jurisdiction shall fill in this part of the table with "YES" and identify any specific requirements. Otherwise, the jurisdiction shall indicate "NO" in this part of the table.

m. In accordance with Section R301.2.1.2.1, the jurisdiction shall indicate the wind-borne debris zone(s). Otherwise, the jurisdiction shall indicate "NO" in this part of the table.

R311.7.5.1 Risers - Stillwater Amendatory. Section R311.7.5.1 is amended to read as follows: The riser height shall be not more than 7¾ inches (196 mm). The riser shall be measured vertically between leading edges of the adjacent treads. The greatest riser height within any flight of stairs shall not exceed the smallest by more than ⅜ inch (9.5 mm). Risers shall be vertical or sloped from the underside of the nosing of the tread above at an angle not more than 30 degrees (0.51 rad) from vertical. Open risers are permitted provided that the openings located more than 30 inches (762 mm), as measured vertically, to the floor or grade below do not permit the passage of a 4-inch diameter (102 mm) sphere.

Exceptions:

1.

The opening between the adjacent treads is not limited on spiral stairways.

2.

The riser height of spiral stairways shall be in accordance with Section R311.7.10.1.

3.

Stair treads and risers shall meet the requirements of this section provided finish floor surfaces are known at the time of installation. Surfaces subject to change at the top and bottom of each stair run shall be allowed to vary not exceeding ½ inch.

( Ord. No. 3414, § 6, 9-10-2018 )