175.51 SECTION 1102.1 ADDITION - DESIGN.

Section 1102.1, Design, of the IBC, is hereby amended by adding the following to the end of this section:

Section 1102.1 Design - 2009

175.52 SECTION 1104.4 AMENDED - MULTISTORY BUILDINGS AND FACILITIES.

Section 1104.4, Multistory Buildings and Facilities, of the IBC, is hereby amended by deleting exception #2 and inserting in lieu thereof the following:

Section 1104.4 exception #2 In buildings containing dwelling units or sleeping units or special occupancies described in Section 1108 or 1109, stories, mezzanines or occupied roofs that do not contain accessible elements or other spaces as determined by Section 1108 or 1109 are not required to be served by an accessible route from an accessible level.

175.53 CHAPTER 13 ENERGY AMENDED - ENERGY EFFICIENCY.

Chapter 13, Energy Efficiency, of the IBC, is hereby amended by deleting said chapters and inserting in lieu thereof the following:

Chapter 13 Energy Efficiency The provisions of the International Energy Code as currently adopted and amended by the Iowa State Building Code Bureau shall apply to all matters governing the design and construction of buildings for energy efficiency. Administration shall be as prescribed in "this code' and these regulations shall be known as the Ankeny Energy Code.

175.54 SECTION 1404.14 ADDITION - VINYL SIDING.

Section 1404.14, Vinyl Siding, of the IBC, is hereby amended by adding a new section as follows:

Section 1404.14.2 Water-Resistive Barrier Required An approved water-resistive barrier shall be provided under all vinyl siding.

175.55 SECTION 1608.2 ADDITION - GROUND SNOW LOADS.

Section 1608.2, Ground Snow Loads, of the IBC, is hereby amended by adding the following sentence to said section:

Section 1608.2 Ground Snow Load The ground snow load to be used in determining the design snow load for roofs is hereby established at 30 pounds per square foot. Subsequent increases or decreases shall be allowed as otherwise provided by code, except that the minimum allowable flat roof snow load may be reduced to not less than 80 percent of the ground snow load.

175.56 SECTION 1612.2 ADDITION - DESIGN AND CONSTRUCTION.

Section 1612.2, Design and Construction, of the IBC, is hereby amended by adding the following to said section:

Section 1612.2 Design and Construction and shall be in accordance with Chapter 193 Zoning Ordinance Flood Plain Regulations.

175.57 SECTION 1612.3 AMENDED - ESTABLISHMENT OF FLOOD HAZARD AREAS .

Section 1612.3, Establishment of Flood Hazard Areas, of the IBC, is hereby amended by inserting the following:

Section 1612.3 Establishment of Flood Hazard Areas

Insert Jurisdiction: City of Ankeny

Insert Date: 1-Feb-19

175.58 SECTION 1704.2 AMENDED - SPECIAL INSPECTIONS AND TESTS.

Section 1704.2, Special Inspections and Tests, of the IBC, is hereby amended by deleting exceptions #1 and #3, with the remainder being unchanged, and inserting in lieu thereof the following:

Exceptions:

1.   Building that do not contain more than two dwelling units.

3.   Buildings not more than one-story above grade plane.

175.59 SECTION 1705.12 AMENDED - SPECIAL INSPECTIONS FOR WIND RESISTANCE.

Section 1705.11, Special Inspections for Wind Resistance, of the IBC, is hereby amended by deleting said section and inserting in lieu thereof the following:

Section 1705.12 Special Inspections For Wind Resistance Special inspections for wind resistance specified in Sections 1705.12.1 through 1705.12.2, are required for buildings and structures.

175.60 SECTION 1705.12.1 AMENDED - STRUCTURAL WOOD.

Section 1705.12.1, Structural Wood, of the IBC, is hereby amended by deleting the exception:

175.61 SECTION 1705.12.2 AMENDED - COLD-FORMED STEEL LIGHT-FRAMED CONSTRUCTION.

Section 1705.12.2, Cold-Formed Steel Light-Frame Construction, of the IBC, is hereby amended by deleting the exception:

175.62 SECTION 1807.1.5.1 ADDITION - FOUNDATION WALLS FOR CONVENTIONAL LIGHT FRAME WOOD CONSTRUCTION.

Section 1807.1.5.1, Foundation Walls For Conventional Light Frame Wood Construction, of the IBC, is hereby established by adding the following section and table:

Section 1807.1.5.1 Foundation Walls For Conventional Light Frame Wood Construction As an alternate to the requirements of this code the following Table 'Foundation Walls for Conventional Light Frame Construction' may be used:

Table - ‘Foundation Walls for Conventional Light Frame Construction’

Height of Foundation Wall (Net measured from top of basement slab to top of foundation wall)*		Thickness of Foundation Walls		Reinforcement type and placement within Foundation Wall**	Reinforcement type and placement within Foundation Wall** (maximum 12’ span between corners and supporting cross walls)	Type of Mortar
		Unit
Gross	Net	Concrete	Masonry	Concrete	Masonry	Masonry
8	7’ 8”	7 ½”	8”	½” horizontal bars, placement in the middle, and near the top & bottom – ½” bars @ 6’ max. vertically	0.075 square inch bar 8’ o.c. vertically in fully grouted cells. If block is 12” nominal thickness, may be unreinforced.	Type M or S. Grout & Mortar shall meet provisions of Chapter 21 IBC
9	8’ 8”	8”	See Chapter 18 IBC	½” bars 2’ o.c. horizontally & 20” vertically o.c. (5/8” bars 2’ o.c. horizontally & 30” vertically o.c.)	See Chapter 18 IBC	Same as above
10	9’ 8”	8”	See Chapter 18 IBC		See Chapter 18 IBC	Same as above
*Concrete floor slab to be nominal 4”. If such floor slab is not provided prior to backfill, provide 1) 36” vertical #4 rebar embedded in the footing @ maximum 7’ O.C. spacing -and/or- 2) full depth nominal 2”depth x 4”width keyway in footing
** All reinforcement bars shall meet ASTM A6175 grade 40 minimum and be deformed. Placement of bars shall be in center of wall and meet the provisions of 18, 19, and 21 of the International Building Code.
NOTE: Cast in place concrete shall have a compressive strength of 3,000 lbs @ 28 days. Footings shall contain continuous reinforcement of 2 – ½” diameter rebar throughout. Placement of reinforcement and concrete shall meet the requirements of Chapter 19 of the International Building Code.
NOTE: Material used for backfilling shall be carefully placed granular soil of average or high permeability and shall be drained with an approved drainage system as prescribed in Section 1805.4 of the International Building Code. Where soils containing a high percentage of clay, fine silt or similar materials of low permeability or expansive soils are encountered or where backfill materials are not drained or an unusually high surcharge is to be placed adjacent to the wall, a specially designed wall shall be required.
Note: Foundation plate or sill anchorage may be installed in accordance with the respective codes as applicable.

 

175.63 SECTION 1809.5 ADDITION - FROST PROTECTION.

Section 1809.5, Frost Protection, of the IBC, is hereby amended by adding the following exception 4:

Exception 4 Detached garages, accessory to Group R-2 and R-3 occupancies, 1,010 square feet or less in size and detached garages of 400 square feet or less in size of other than light frame wood construction and more than 10 feet from a dwelling or attached garage may be provided with a floating slab. The floating slab shall include a thickened slab edge of a minimum twelve (12) inches thick. Six inches of the thickened slab shall be below grade and six inches shall be above finished grade. The bottom portion of the thickened slab area shall be twelve (12) by twelve (12) inches. Two #4 rebar shall be placed within the thickened edge continuous around the perimeter of the slab. Floors shall be of Portland cement concrete not less than 4 inches thick. Garages areas shall have all sod and/or debris removed prior to installation of said floor.