Specific changes to International Residential Code 2021 Edition shall be as follows:
(1) Delete Chapter 1 in its entirety and substitute the language of Chapter 1 "Administration" from the International Building Code 2021 as amended by this chapter and as may be hereafter amended from time to time.
(2) Amend Section R301.6 to read:
"All roofs shall be designed for a minimum snow load of 40 PSF ground snow load and for unbalanced snow loads."
(3) Amend Section R310.7 by adding the language "finished basements completed with permits" between the words "existing" and "undergo".
(4) Amend Chapter 3 Means of Egress, R311 by adding:
"The means of egress path shall continue to the driveway or public way by the installation of a sidewalk, stepping stones or other similar approved method."
(5) Modify R311.7 Exception 2 by adding "when approved by the Building Official"
(6) Amend Chapter 3, Building Planning, to read:
"R313.2 An automatic residential fire sprinkler system shall be installed in new and rebuilt one and two family dwellings."
"R313.3 In existing dwellings where the accumulated refurbishment, renovation, or alteration affects the majority of either the structure's total square footage or existing finished space, then the entire structure and any additions shall be protected throughout with a sprinkler system installed in accordance with NFPA 13D." An exception may be granted by the Building Official provided emergency escape and rescue openings are installed throughout in accordance with the currently adopted code and provided the structure and emergency egress windows do not exceed one story above grade.
"R313.4 Additions, without renovation to the existing structure which are intended to include a majority of elements of a dwelling unit (i.e., bedrooms, bathrooms, kitchens, laundry rooms, HVAC configuration, water/sewer configuration, and separation of areas) or exceeds 50% of the structure's total square footage, shall require a sprinkler system to be installed, within the addition only, in accordance with NFPA 13D." An exception may be granted by the Building Official provided emergency escape and rescue openings are installed throughout in accordance with the currently adopted code and provided the structure and emergency egress windows do not exceed one story above grade. Projects exceeding the 50% limit may be approved to be constructed without sprinklers upon an evaluation by the Building Official based on the proposed scope of work and level of hazard present.
(7) Amend Chapter 3, by adding a new section R331 to read:
R331 Private road construction.
A. All residential dwelling single use driveways shall be 10 feet wide with a minimum surface type of Crusher Run-6, six inches in depth, and shall not exceed a maximum driveway grade of 17%. New driveway aprons shall be installed in accordance with currently adopted County specifications. Existing driveway aprons being repaved, reinstalled or reconfigured should also be installed in accordance with currently adopted County specifications where technically feasible and without undue burden.
B. In the event the driveway entrance has not been completed or is not in accordance with the specifications required, no Certificate of Use and Occupancy or Temporary Certificate of Use And Occupancy shall be issued unless the the applicant, the building contractor or the owner of the property shall post a suitable guarantee in the form of a cash payment, assignment of passbook or a letter of credit in an amount deemed sufficient by the County Commissioners, guaranteeing the construction of the driveway entrance to County or Municipal standards within a period of (6) months from the date of the acceptance of the guarantee by the County. In the event the driveway entrance is not completed within the six (6) month period the County may complete the construction on the County right-of-way utilizing the guarantee, should the cost of construction exceed the amount of the guarantee the owner of the property shall pay the additional cost to the County, plus an administrative fee of Five Hundred Dollars ($500) within thirty (30) days of notice to do so. If the costs of construction are less than the amount of the guarantee, the excess funds shall be forfeit to the County as part of the Five Hundred ($500) Dollar administration fee. If any part of the costs incurred by the County associated with the construction of the driveway entrance are not paid within thirty (30) days, the remaining balance shall constitute a lien of the property.
(8) Amend subsection R401.3 Drainage to add a sentence at the end to read:
"Surface drainage shall comply with Chapter 152 of the Code and shall be mitigated to limit discharge to an adjoining property or public way."
(9) Amend Chapter 4, Section R403.1.1 to add the following text:
"Notwithstanding any other provisions of this section, concrete footings shall not be less than eight inches in edge thickness and shall extend a minimum of four inches on each side of the supported wall. Concrete footings shall not be poured through water or on frozen soils. Concrete footings shall be protected from freezing during construction and for a period of not less than five days thereafter. Bottom of footing shall not be less than 30 inches below grade and shall rest on virgin or compacted soil."
(9.1) Delete R403.l.4.1 Exceptions 1 and 2 and replace with
"Accessory buildings with a floor area less than 200 square feet do not require frost protected footings, accessory structures with a floor area between 200 and 400 square feet require frost protected footings a minimum of 18" below grade, all others require full depth footings"
(10) Amend Chapter 4, Section R404.1.7 by adding the following language after the text:
"Excavated areas to receive backfill shall be clear of all debris, building materials, tree stumps, etc. Backfilled areas to receive concrete porches, steps, patios, walks, etc., shall be adequately compacted to minimize potential settlement."
(11) Amend Section R405.1, Concrete or masonry foundations, to add a sentence at the end to read:
"Drains shall be provided on the exterior of all concrete and masonry foundations in accordance with the adopted Plumbing Code."
(12) Add new Subsection 405.1.2 to read:
405.1.2 Areaways drains. All open subsurface space adjacent to a building serving as an entrance to the basement or cellar of a building must be provided with a drain or drains. Such areaway drains shall be a minimum of two inches in diameter of either cast iron, PVC (polyvinyl chloride), or ABS (Acroynlonitrilebutiadene-styrene) 40-weight plastic pipe glued joints for areaway not to exceed 100 square feet in area and shall be discharged as provided for in this regulation pertaining to subsoil drains not serving continuous flowing springs or groundwater. Areaway drains shall be piped directly to a sump pump pit. When subsoil drains drain to open grade, the areaway drain may be connected to a fitting or the subsoil drain outside the areaway. Areaway drains for areas exceeding 100 square feet shall be sized according to the Plumbing Code.
(13) Delete Section R406.1 in its entirety.
(14) Amend Section R406.2 by adding text to the first sentence to read:
"All structures that have a foundation retaining soil with a finished grade above the lowest floor elevation shall be waterproofed in accordance with R406.2 or a system approved by the Building Official."
(15) Amend section R507 Exterior Decks by deleting the entire section and replacing with the Carroll County Bureau of Permits and Inspections Residential Code Compliance Guidelines for Decks.
(16) Amend Section R602.10 Wall Bracing by adding an exception to read: “Additions extending less than 12 feet perpendicular from the main house exterior braced wall line”.
(16.1) Amend section 801.3 by adding an additional sentence to read "The roof drainage shall discharge a minimum of 10' from any adjoining property line and shall not create a nuisance on an adjoining property, street, or public way"
(17) All electrical work shall be subject to the NFPA 70 National Electrical Code as amended hereby notwithstanding anything to the contrary herein.
(18) Delete International Residential Code Chapters 24, 34, 35, 36, 37, 38, 39, 40, 41, 42 and 43 in their entirety and replace with the adopted gas and electrical codes.
(19) Adopt International Residential Code 2021 Appendices AF, AJ, AK, and AM.
(20) Amend appendix AF of the International Residential Code Section AF103.9 by adding the following sentence: "The pipe shall be marked with a continuous orange paint line throughout the structure."
(2004 Code, § 97-5) (Ord. 52-D, passed 11-10-1998; Ord. 02-01, passed 1-3-2002; Ord. 02-19, passed 11-21-2002; Ord. 04-25, passed 12-22-2004; Ord. 07-06, passed 4-19-2007; Ord. 2010-01, passed 2-25-2010; Ord. 2012-03, passed 5-10-2012; Ord. 2015-05, passed 6-25-2015; Ord. 2015-10, passed 12-8-2015; Ord. 2017-06, passed 9-7-2017; Ord. 2019-05, passed 10-31-2019; Ord. 2023-09, passed 8-24-2023)