1321.14 ADOPTION OF INTERNATIONAL ONE- AND TWO-FAMILY DWELLING CODE.
   (a)   There is hereby adopted and incorporated by reference as if set forth herein that certain code known as the International One- and Two-Family Dwelling Code, 1998 edition, and supplements thereto as published by the International Code Council, for regulating the design, construction, quality of materials, erection, installation, alteration, repair, location, relocation, replacement, addition to, use or maintenance of building, mechanical, plumbing and electric systems, subject to the modifications provided in this section and this chapter. The provisions thereof shall be controlling as pertains to one-family, two-family and three-family dwellings and buildings, not more than three stories in height within the jurisdiction of the City. Multiple family dwellings having more than three dwelling units, except as provided in the OBBC for multiple single family units, boarding houses and similar buildings arranged for shelter and sleeping accommodations for more than five individuals who are primarily not transient in nature shall be governed by the Ohio Basic Building Code regulations for Use Group R-2 structures.
   (b)   The certain sections of the International One- and Two-Family Dwelling Code are hereby revised as follows:
   Section 101.1 Insert the name of the jurisdiction as the City of Mansfield.
   Table 301.2(1) Insert the applicable climatic and geographic design criteria as follows:
TABLE 301.2(1)
CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA
 
ROOF SNOW LOAD (pounds per square foot)
WIND PRESSURE (pounds per square foot)
SEISMIC CONDITION BY ZONE
SUBJECT TO DAMAGE FROM
SUBJECT TO DAMAGE FROM
WINTER DESIGN TEMPERA-TURE FROM HEATING FACILITIES
RADON-RESISTANT CONSTRUCTION REQUIRED
Weathering
Frost line depth
Termite
Decay
20
90
1
Severe
38"
Moderate
St. to Mod.
10
-
 
   Section 312.4 Revise to read as follows:
314.2 Treads and risers. The maximum riser heights shall be 8 1/4 inches (209.55 mm) and the minimum tread depth shall be 9 inches (228.6 mm). The riser height shall be measured vertically between leading edges of the adjacent treads. The tread depth shall be measured horizontally between the vertical planes of the foremost projection of adjacent treads and at a right angle to the tread’s leading edge. The walking surface of treads and landings of a stairway shall be sloped no steeper than one unit vertical in 48 units horizontal (2-percent slope). The greater riser heights within any flight of stairs shall not exceed the smallest by more than 3/8 inch (9.5 mm). The greatest tread depth within any flight of stairs shall not exceed the smallest by more than 3/8 inch (9.5 mm).
   Section 314.4 Revise to read as follows:
314.4 Winders. Winders are permitted, provided that the depth of the tread at a point not more than 12 inches (308 mm) from the side where the treads are narrower is not less than 9 inches (228.6 mm) and the minimum depth of any tread is not less than 6 inches (152 mm). The continuous handrail required by Section 315.1 shall be located on the side where the tread is narrower.
   Section 314.6 Revise to read as follows:
314.6 Circular stairways. Circular stairways shall have a tread depth at a point not more than 12 inches (305 mm) from the side where the treads are narrower of not less than 9 inches (228.6 mm) and the minimum depth of any tread shall be 6 inches (152 mm).
   (Ord. 00-202. Passed 8-1-00.)