Cedar Rapids Building Codes

Cedar Rapids Building Codes

Content credit to the city of Cedar Rapids 






  • CHAPTER 33 - BUILDING CODE

  • 33.01 - INTERNATIONAL BUILDING CODE 2015 ADOPTED.

    Except as hereinafter added to, deleted, modified, or amended, there is hereby adopted as the Building Code of the City of Cedar Rapids, Iowa, that certain code known as the International Building Code, 2015 Edition and the International Residential Building Code, 2015 Edition, as published by the International Code Council, Inc. The provisions of said building code shall be controlling in the construction of buildings and other structures and in all matters covered by said Building Code within the corporate limits of the City of Cedar Rapids, Iowa, and shall be known as the Building Code.

    (047-15)

  • 33.02 - SCOPE.

    Delete Chapter 11 International Residential Code 2015 Addition (Energy)

    Section [A] 101.4.6 Referenced codes. Delete Section [A] 101.4.6 (Energy)

    (047-15)

  • 33.03 - REFERENCED CODES.

    Section [A] 101.4.3 Referenced codes. Delete Section [A] 101.4.3 (Plumbing)

    (047-15)

  • 33.04 - 103.1 AND R103.1 CREATION OF ENFORCEMENT AGENCY.

    Section 103.1 and R103.1 Creation of enforcement agency is hereby amended by modifying Section 103.1 and R103.1 Creation of enforcement agency, as follows:

    Section 103.1 and R103.1 Creation of enforcement agency. Building inspections is hereby created and the official in charge of administering and enforcement of this code shall be known as the "building official", as defined in Chapter 2 of this code.

    (047-15)

  • 33.05 - 104.12 CONFLICT OF INTEREST.

    Section 104.12 Conflict of interest is hereby added as follows:

    Section 104.12 Conflict of interest. The building official, inspectors and other employees who are engaged in building inspections or building plan review activities in accordance with this code shall not directly or indirectly perform and/or be involved in any work, sales of services, equipment, materials or systems regulated by this code for any financial gains/benefits nor enter into any written or verbal contractual agreements for financial gains/benefits. Employees may perform work or activities regulated by this code when it is without compensation or other financial benefits. In no event, shall the employee inspect or be involved in the inspection process on any project where the employee performed work or has a financial interest."


    (047-15)

  • 33.05A - 105.1 REQUIRED PERMITS.

    Section 105.1 Required Permits is hereby modified by adding the following paragraph as follows:

    Any person or person(s) doing work regulated by this code, or causing such work shall first make application to the Building Official and obtain the required permit prior to such work. An investigation fee may be charged when a permit has not first been obtained. Any person who commences any work before obtaining the necessary permits shall be subject to a fee established by The City Council of the City of Cedar Rapids, Iowa by resolution that shall be in addition to the required permit fees and investigation fees.

    (047-15)

  • 33.06 - 105.2 WORK EXEMPT FROM PERMIT.

    Section 105.2 Work exempt from permit are hereby amended by modifying Section 105.2 Work exempt from permit, as follows:

    Section 105.2 Work exempt from permit.

    Building:

    1.

    Detached accessory structures used as tool and storage sheds, playhouses and similar uses, provided the floor area does not exceed 120 square feet (11.15m2). The structure must comply with all applicable Zoning restrictions.

    2.

    Delete this item.

    7.

    Painting, papering, tiling, carpeting, or similar finish work, cabinets and/or countertops replaced in the same location only.

    Exemptions from permit requirements of this code shall not be deemed to grant authorization for any work to be done in any manner in violation of the provisions of this code or any other laws or ordinances of this jurisdiction.

    Permits shall not be required for the following:

    (047-15)

  • 33.07 - R105.2 WORK EXEMPT FROM PERMIT.

    Section R105.2 Work exempt from permit is hereby amended by modifying Section R105.2 Work exempt from permit, as follows:

    Section R105.2 Work exempt from permit.

    Permits shall not be required for the following:

    1.

    Detached accessory structures used as tool and storage sheds, playhouses and similar uses, provided the floor area does not exceed 120 square feet (11.15m2). The structure must comply with all applicable Zoning restrictions.

    2.

    Delete this item.

    Items 3 through 5 remain as written.

    6.

    Painting, papering, tiling, carpeting, or similar finish work, cabinets and/or countertops replaced in the same location only.

    7.

    Prefabricated and/or inflatable swimming pools that are not permanently installed.

    Items 8 and 9 remain as written.

    10.

    Gutters, replacement storm windows, storm doors and screens.

    Exemption from permit requirements for this code shall not be deemed to grant authorization for any work to be done in any manner in violation of the provisions of this code or any other laws or ordinances of this jurisdiction.

    (047-15)

  • 33.08 - 105.5 and R105.5 EXPIRATION.

    Section 105.5 and R105.5 Expiration are hereby amended by adding Section 105.5.1 and Section R105.5.1 Twelve months to Section 105.5 and R105.5 Expiration, as follows:

    Section 105.5.1 and R105.5.1 Twelve months. Every building permit issued under the provisions of this Code shall expire twelve (12) months from the date of issue, unless the application is accompanied by a construction schedule of specific longer duration, in which instance the permit may be issued for the term of the construction schedule, with approval of the building official. If the work has not been completed by the expiration date of the permit, no further work shall be done until the permit has been renewed by the owner or his or her agent and by payment of the renewal fee as established by Resolution of the City Council, and provided no changes have been made in plans or location.

    (047-15)

  • 33.09 - 105.6 AND R105.6 SUSPENSION OR REVOCATION.

    Section 105.6 and R105.6 Suspension or revocation are amended by adding the following paragraph as follows:

    Section 105.6 and R105.6 Suspension or revocation. Before any permit is suspended or revoked, the building official will provide notice to the person to whom the permit and/or owner was issued setting forth the facts and circumstances constituting the basis of such action, and providing an opportunity to be heard.

    (047-15)

  • 33.10 - 109.1 AND R108.1 PAYMENT OF FEES.

    Section 109.1 and R108.1 Payment of fees are hereby amended by modifying Section 109.1 and R108.1 Payment of fees, as follows:

    Section 109.1 and R108.1 Payment of fees. A permit shall not be issued until the fees prescribed by law have been paid. Nor shall any amendment to a permit be released until the additional fee, if any, has been paid.

    (047-15)

  • 33.11 - 109.2 AND R108.2 SCHEDULE OF PERMIT FEES.

    Section 109.2 and R108.2 Schedule of permit fees are hereby amended by repealing Section 109.2 and R108.2 Schedule of fees and replacing said Section with a new Section as follows:

    Section 109.2 and R108.2 Schedule of permit fees. Building permits shall be based upon the valuation of the proposed construction and shall be computed from tables set by resolution of the City Council.

    Building permits shall not be issued until the fees, as set forth and established by resolution of the City Council, have been paid to the City Treasurer. An amended building permit or a supplemental permit for additional construction shall not be issued until the permit fee for the additional valuation has been paid.

    The City Council of the City of Cedar Rapids, Iowa may by resolution set fees for re-inspection, special inspection, moving building inspections and investigation fees. These inspection and investigation fees shall be identified in the Schedule of fees.

    (047-15)

  • 33.12 - 109.2.1 AND R108.2.1 PLAN REVIEW FEES.

    Section 109.2.1 and R108.2.1 Plan review fees is hereby added as follows:

    Section 109.2.1 and R108.2.1 Plan review fees. Fees for all plan reviews shall be as set forth and established by resolution of the City Council. All such fees shall be paid in accordance with the terms and requirements of such resolution, or as the same may be amended by the City Council from time to time.

    (047-15)

  • 33.13 - 109.3 AND R108.3 BUILDING PERMIT VALUATIONS.

    Section 109.3 and R108.3 Building permit valuations is hereby amended by repealing Section 109.3 and R108.3 Building permit valuations and by replacing said Section with an Exception as follows.

    Section 109.3 and R108.3 Building permit valuations. The determination of value or valuation under any of the provisions of the Cedar Rapids Building Code shall be made by the building official. The valuation to be used in computing the building permit fees and the plan review fees shall be the total value of all construction work for which the permit is issued as well as all finish work, roofing, permanent accessories, and the usual cost of labor, whether such labor is performed by the owner or by others. Such valuation excludes the cost of the lot or improvements to the lot, such as grading, landscaping, walks, or drives.

    Exception: Exclude the cost of air conditioning, electrical, heating, plumbing or ventilation systems in occupancies in Group R-2 or R-3.

    The valuation for additional new work, or for alteration, remodeling, repairs or replacement shall include cost of materials and labor for the construction of the new work, repairs, replacements, additions, or remodeling.

    The building inspector or plans examiner shall correct the determination of value of any work for which a permit is issued if such valuation appears to be in error or misstated. If the permit or plan review fees are reduced as a result of such correction, a refund will be issued to the applicant. If such fees are increased, the applicant shall pay all additional fees. Failure to pay any such additional fees may result in revocation of any permit issued, or work stoppage as otherwise provided in the Cedar Rapids Building Code.

    (047-15)

  • 33.14 - 109.5.1 AND R108.4.1 RE-INSPECTION FEES.

    Section 109.5.1 and 108.4.1 Re-inspection fees is hereby added as follows:

    Section 109.5.1 and R108.4.1 Re-inspection fees. A re-inspection fee may be assessed for each inspection or re-inspection when such work or portion of such work for which the inspection is called for is not complete or when corrections called for are not made.

    Re-inspection fees may be assessed when the inspection card is not posted or otherwise available on the work site, the approved plans are not readily available to the inspector, access is not provided on the date for which the inspection is requested, the property and building address are not properly posted, or when there is a deviation from plans requiring approval of the building official.

    This section is not to be interpreted as requiring re-inspection fees the first time a job is rejected for failure to comply with requirements of this code, but as controlling the practice of calling for inspections before the job is ready for such inspection or re-inspection.

    (047-15)

  • 33.15 - 111.2 and R110.3 CERTIFICATE OF OCCUPANCY.

    The City of Cedar Rapids Building Code is hereby amended by repealing Section 111.2 Number (3) of the International Building Code, 2015 Edition and Section R110.3 Number (3) of the International Residential Code, 2015 Edition and leaving said section numbers (3) blank.

    (047-15)

  • 33.16 - 113.1 AND R112.1 GENERAL.

    Section 113.1 and R112.1 General is hereby amended by repealing Section 113.1 and R112.1 General and replacing said Section as follows:

    Section 113.1 and R112.1 General. In order to hear and decide appeals concerning the suitability of alternate materials and methods of construction and to hear and decide appeals of determinations made by the building official or Fire Marshal or designated representative concerning interpretations of the provisions of this Code or the International Fire Code there shall be and is hereby created a Board of Appeals, consisting of seven members whose place of business, residence, or work is located in the City of Cedar Rapids, Iowa, and who are qualified by experience and training to pass upon matters pertaining to building construction. The building official or designee shall be an ex-officio member and shall act as Secretary of the Board for appeals involving this Code. The Fire Marshal or designee shall also be an ex-officio member and shall act as Secretary of the Board for appeals involving the International Fire Code. The Board of Appeals shall be appointed by the City Manager with approval of the City Council. The present Board members shall serve the remainder of their appointed terms or until their successors are duly appointed and qualified. All successive appointments or re-appointments shall be for three year terms. The Board shall adopt reasonable rules and regulations for conducting its investigations and shall render all decisions and findings in writing to the building official, with a duplicate copy to the appellant. The Board shall have no authority to waive requirements of this Code or the International Fire Code.

    (047-15)

  • 33.17 - R114.1 NOTICE TO OWNER.

    Section R114.1 Notice to owner is hereby amended by adding the following paragraph to Section R114.1 Notice to owner, as follows:

    R114.1 Notice to owner. Before any permit is suspended or revoked, the building official will provide notice to the person to whom the permit was issued setting forth the facts and circumstances constituting the basis of such action.

    (047-15)

  • 33.18 - 115.1 AUTHORITY.

    Section 115.1 Authority is hereby amended by adding the following paragraph to Section 115.1 Authority, as follows:

    115.1 Authority. Before any permit is suspended or revoked, the building official will provide notice to the person to whom the permit was issued setting forth the facts and circumstances constituting the basis of such action.

    (047-15)

  • 33.19 - 116.6 OTHER CONDITIONS.

    Section 116.6 Other conditions is hereby added as follows:

    Section 116.6 Other conditions. Section 116 shall also apply to structures regulated by the IRC. In addition to the authority granted by the provisions of Section 116, the building official is hereby authorized to exercise emergency measures to protect the health, safety and public welfare of the community by certain procedures as follows:

    1.

    Inspect the building and surrounding premises to determine the extent of dilapidation, damage, obsolescence, fire hazard and risk as an attractive nuisance as determined by the building official.

    2.

    Inform the owner or owner's agent of the unsafe, dangerous or hazardous conditions that cause such building to be unsafe or an attractive nuisance.

    3.

    Inform the owner or owner's agent of the applicable provisions of Section 115 of the IBC and secure a commitment from the owner, or owner's agent, regarding a time schedule and manner of compliance with said Section.

    4.

    Order the prompt boarding-up of the windows, doors, and other openings of unsafe or vacant buildings to prevent unauthorized access or the perpetuation of an attractive nuisance during the time that is necessary to gain compliance with the Cedar Rapids Building Code.

    5.

    Upon the failure of the owner or owner's agent to comply with the order to close, board up and secure an unsafe building within seven (7) days' time after receiving such order, the Building Official, after notice and opportunity for hearing, may cause the openings boarded up and secured, or the premises barricaded and fenced, and the unsafe conditions abated, with the cost of such construction, barricading fencing and abatement to be assessed against the property.

    (047-15)

  • 33.20 - 202 DEFINITIONS.

    Section 202 Definitions is hereby amended:

    Add definition: The City of Cedar Rapids Building Code is hereby amended by repealing the definition of Townhouse in Section 202 of the International Building Code, 2015 Edition, and International Residential Code, 2015 Edition and inserting in lieu thereof the following:

    TOWNHOUSE. A single-family dwelling unit constructed in a group of two or more attached units in which each unit extends from foundation to roof and with a yard or public way on at least two sides.

    Add definition: The City of Cedar Rapids Building Code is hereby amended by adding the definition of Pier foundation in Section 202 of the International Building Code, 2015 Edition, and International Residential Code, 2015 Edition and inserting in lieu thereof the following:

    Pier foundation is a grid system of girders (beams), piers, or columns and footings used in construction to elevate the superstructure above the ground plane or grade. The piers serve as columns for the superstructure.

    (047-15)

  • 33.21 - R302.1 EXTERIOR WALLS.

    Section 202 Definitions is hereby amended:

    EXTERIOR WALLS. The City of Cedar Rapids Building Code is hereby amended by repealing Sections R302.1 Exception 2. of the International Residential Code, 2015 Edition and by replacing said Exception with a new Exception 2. as follows:

    Exception 2. Fire separation distance based on an imaginary line between two buildings on the same lot shall not apply to walls separating dwellings from their accessory structures. Detached accessory structures and dwelling units shall be no closer than three (3) feet.

    (047-15)

  • 33.22 - R301.2(1) CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA.

    Table R301.2(1) Climatic and Geographic Design Criteria is hereby amended by modifying Table R301.2(1) as follows:

    30 PSF115NOASevere42"Moderate HeavySlight- Moderate-5 FYES19827/5/82178448.9

     

    (047-15)

  • 33.23 - R302.1(1) EXTERIOR WALL PROJECTIONS.

    EXTERIOR WALL PROJECTIONS. The City of Cedar Rapids Building Code is hereby amended by deleting footnote b. of Table R302.1(1) and footnote c. of Table R302.1(2) of the International Residential Code, 2015 Edition and leaving said footnotes blank.

    (047-15)

  • 33.24 - R302.2 TOWNHOUSES.

    TOWNHOUSES. The City of Cedar Rapids Building Code is hereby amended by repealing Section R302.2 of the International Residential Code, 2015 Edition and by replacing said section with a new Section R302.2 as follows:

    R302.2 Townhouses. Townhouses shall be separated by fire-resistance-rated wall assemblies in accordance with Section R302.2, Item 1 or 2.

    1.

    A common 1-hour fire-resistance-rated wall assembly tested in accordance with ASTM E 119 or UL 263 if such walls do not contain plumbing or mechanical equipment, ducts or vents in the cavity of the common wall. The wall shall be rated for exposure from both sides and shall extend to and be tight against exterior walls and the underside of the roof sheathing. Electrical installations shall be installed in accordance with Chapter 34 through 43. Penetrations of electrical outlet boxes shall be in accordance with Section R302.4.

    2.

    Two independent 1-hour fire-resistance rated wall assemblies tested in accordance with ASTM E 119 or UL 263. Each wall shall be rated for exposure from both sides and shall extend to and be tight against exterior walls and the underside of the roof sheathing. Wall membrane penetrations shall be in accordance with Section R302.4.

    (047-15)

  • 33.25 - R302.3 TWO FAMILY DWELLINGS.

    R302.3 Two-family dwellings. Dwelling units in two-family dwellings shall be considered as townhouses and shall be separated from each other with wall assemblies in compliance with Section R302.2 or shall be constructed as a two-unit dwelling in compliance with the International Building Code.

    Exception: Wall assemblies separating two-unit townhouses need not extend through attic spaces when the ceiling is protected by not less than 5/8 inch Type X gypsum board and an attic draft stop constructed as specified in Section R302.12.1 is provided above and along the wall assembly separating dwellings. The structural framing supporting the ceiling shall also be protected by not less than ½ inch gypsum board or equivalent.

    (047-15)

  • 33.26 - R302.5.1 OPENING PROTECTION.

    OPENING PROTECTION. The City of Cedar Rapids Building Code is hereby amended by repealing Sections R302.5.1 of the International Residential Code, 2015 Edition and by replacing said section with a new Section R302.5.1 as follows:

    R302.5.1 Opening protection. Openings from a private garage into a room used for sleeping purposes shall not be permitted. Other openings between a garage and residence shall be equipped with solid wood doors not less than 1 3/8 inches (35 mm) in thickness, solid or honey-comb-core steel doors not less than 1 3/8 inches (35 mm) thick, or 20-minute fire-rated doors.

    (047-15)

  • 33.27 - R302.13 FIRE PROTECTION OF FLOORS.

    FIRE PROTECTION OF FLOORS. The City of Cedar Rapids Building Code is hereby amended by repealing Section R302.13 of the International Residential Code, 2015 Edition and leaving said section blank.

    (047-15)

  • 33.28 - R308.4.2 GLAZING ADJACENT TO DOORS.

    GLAZING ADJACENT TO DOORS. The City of Cedar Rapids Building Code is hereby amended by repealing Sections R308.4.2 of the International Residential Code, 2015 Edition and by replacing said section with a new Section R308.4.2 as follows:

    R308.4.2 Glazing adjacent to doors. Glazing in an individual fixed or operable panel adjacent to a door where the nearest vertical edge of the glazing is within a 24 inch arc of either vertical edge of the door in a closed position and where the bottom exposed edge of the glazing is less than 60 inches above the floor or walking surface shall be considered to be a hazardous location.

    Exceptions:

    1.

    Decorative glazing.

    2.

    Where there is an intervening wall or other permanent barrier between the door and the glazing.

    3.

    Where access through the door is to a closet or storage area 3 feet or less in depth. Glazing in this application shall comply with Section R308.4.3.

    4.

    Glazing that is adjacent to the fixed panel of patio doors.

    (047-15)

  • 33.29 - 310.5 RESIDENTIAL GROUP R-3.

    Section 310.5 Residential Group R-3 is hereby amended modifying Section 310.5 changing only one word with Care facilities from five or fewer persons to six or fewer persons, as follows:

    Section 310.5 Residential Group R-3. Care facilities that provide accommodations for six or fewer persons receiving care.

    (047-15)

  • 33.30 - R311.7.8.2/1011.11 CONTINUITY.

    Section R311.7.8.2 Continuity is hereby amended by adding Exception 3 to Section R311.7.8.2 Continuity, as follows:

    Exception 3. Offsets or interruptions of six inches or less in total length shall be considered, for the purpose of this code, to be continuous.

    1011.11 HANDRAILS EXCEPTION 6.

    Section 1011.11 Handrails is hereby amended by adding Exception 6 as follows:

    Exception 5. Handrails within a dwelling unit or serving an individual dwelling unit may have offsets or interruptions of six inches or less in total length and shall be considered, for the purpose of this code, to be continuous.

    (047-15)

  • 33.31 - R312.2 WINDOW FALL PROTECTION AND R312.2.1 WINDOW SILLS.

    REPEAL OF SECTION (WINDOW SILLS). The City of Cedar Rapids Building Code is hereby amended by repealing Section 1015.8 of the International Building Code, 2015 Edition and Section R312.2.1 of the International Residential Code, 2015 Edition, and leaving said sections blank.

    (047-15)

  • 33.32 - R313 TOWNHOUSE AND ONE AND TWO FAMILY DWELLINGS/Group R 903.2.8.

    R313.1 Townhouse and One and Two Family automatic fire sprinkler systems. An automatic residential fire sprinkler system shall be installed throughout all attached townhouse, one and two family dwelling units when any of the following conditions exist:

    1.

    The townhouses are constructed in a group of more than four attached units.

    2.

    Any individual townhouse unit of a structure with four or fewer attached townhouses or one and two family dwelling has a floor area greater than 4000 square feet on any one story or greater than 8,000 square feet of total floor area for all stories, excluding non-habitable areas separated from the rest of the building by a minimum of one-hour fire-resistive construction and containing smoke or heat detection interconnected with the dwelling unit smoke alarms.

    Exception: An automatic residential fire sprinkler system shall not be required when additions or alterations are made to existing townhouses, and one and two family dwellings that do not have an automatic residential fire sprinkler system installed and built before City of Cedar Rapids adoption of the 2015 International Residential Code.

    903.2.8 GROUP R-3.

    Section 903.2.8 Group R is hereby amended by adding an Exception:

    Exception: Any change of use where a one unit R -3 Group R fire area is located in a building with any other occupancy, excluding private garages.

    For the purposes of this Section, portions of a building separated by one or more fire walls shall not be considered separate buildings.

    R313.1.1 Design and installation. Automatic residential fire sprinkler systems for townhouses shall be designed and installed in accordance with Section (IRC 2015) P2904.

    R313.2.1 Design and installation. Automatic residential fire sprinkler systems for one- and two-family dwellings shall be designed and installed in accordance with Section (IRC 2015) P2904.

    R313.3 Alternative Methods. Maximum floor area square footages of Sections R313.1 #2 may be increased by 25% for buildings or floors containing more than one egress door as specified in Section R311.2 or more than one vertical egress as specified in Section R311.4 or other approved alternate methods of building occupant egress enhancement. (NOTE: real sq. ft. is 5000 and 10000 with two points of egress)

    (047-15)

  • 33.33 - R314 SECTION R314 SMOKE ALARMS.

    SMOKE ALARMS. The City of Cedar Rapids Building Code is hereby amended by repealing Sections R314 of the International Residential Code, 2015 Edition and by replacing said section with a new Section R314 as follows:

    R314.1 Smoke detection and notification. Smoke alarms shall be listed and labeled in accordance with UL 217 and installed in accordance with the provisions of this code and the household fire warning equipment provisions of NFPA 72.

    R314.2 Smoke detection systems. Household fire alarm systems installed in accordance with NFPA 72 that include smoke alarms, or a combination of smoke detector and audible notification devices installed as required by this section for smoke alarms, shall be permitted.

    R314.3 Location. Smoke alarms shall be installed in the following locations:

    1.

    In each sleeping room.

    2.

    Outside each separate sleeping area in the immediate vicinity of the bedrooms.

    3.

    On each story of the dwelling including basements.

    R314.3.1 Alterations, repairs and additions. When alterations, repairs or additions requiring a permit occur, or when one or more sleeping rooms are added or created in existing dwellings, the dwelling unit shall be equipped with smoke alarms in locations as required in R314.3 for new dwellings.

    Exceptions:

    1. Work involving the exterior surfaces of dwellings, such as the replacement of roofing or siding, or the addition or replacement of windows or doors, or the addition of an open porch or deck, are exempt from the requirements of this section.

    2. Installation, alteration or repairs of plumbing or mechanical systems are exempt from the requirements of this section.

    R314.4 Power source. Smoke alarms shall receive their primary power from the building wiring when such wiring is served from a commercial source, and when primary power is interrupted, shall receive power from a battery. Wiring shall be permanent and without a disconnecting switch other than those required for overcurrent protection.

    Exception: Hard wiring of smoke alarms in existing areas shall not be required where the alterations or repairs do not result in the removal of interior wall or ceiling finishes exposing the structure, unless there is an attic, crawl space or basement available which could provide access for hard wiring without the removal of interior finishes.

    R314.5 Interconnection. Where more than one smoke alarm is required to be installed within an individual dwelling unit in accordance with Section R314.3, the alarm devices shall be interconnected in such a manner that the actuation of one alarm will activate all of the alarms in the individual unit. Physical interconnection of smoke alarms shall not be required where listed wireless alarms are installed and all alarms sound upon activation of any one alarm.

    Exception: Interconnection of smoke alarms in existing areas shall not be required where alterations or repairs do not result in removal of interior wall or ceiling finishes exposing the structure, unless there is an attic, crawl space or basement available which could provide access for interconnection without removal of interior finishes.

    (047-15)

  • 33.34 - R403 FOOTINGS.

    33.34 R403 Footings is hereby amended by adding an Exception to Section R403 Footings, as follows: All single family residential structures shall have a continuous frost protected perimeter foundation for the main body of the structure. No more than 1/3 of the finished first floor excluding attached accessory areas, unfinished spaces and unconditioned spaces shall have anything other than continuous frost protected perimeter foundation. Pier foundation systems are not defined as continuous frost protected foundations.

    (047-15)

  • 33.35 - R403.1.4.1 FROST PROTECTION EXCEPTION 4.

    SLAB ON GRADE FOUNDATIONS. The City of Cedar Rapids Building Code is hereby amended by inserting a new Exception 3 as follows:

    And adding a new Exception (4) to Section 1809.5 of the International Building Code, 2015 Edition and R403.1.4.1 of the International Residential Code, 2015 Edition respectively, as follows:

    Exception 4: Slab-on-Grade Foundations. The Building Official may approve slab-on-grade foundation designs for wood or metal frame, detached buildings of Group U Occupancy or accessory to buildings constructed under the provisions of the International Residential Code and 1250 square feet in floor area or less, without additional engineering, providing the design meets all of the following:

    1.

    Foundations supporting wood shall extend at least six inches above the adjacent finish grade.

    2.

    The entire perimeter of the foundation shall be provided with a thickened portion of slab with cross section dimensions of 12 inches minimum width and 12 inches minimum thickness.

    3.

    The slab floor shall be a minimum of 4 inches thick concrete with 6" x 6" reinforcing mesh or #4 reinforcing bars 24" on center front-to-back and side- to-side.

    4.

    Slab floor and thickened edge shall be one continuous pour, interconnected with reinforcing.

    5.

    Vertical distance from the top of the foundation floor to the lowest point of the footing base shall not be more than 24 inches.

    (047-15)

  • 33.36 - FOUNDATION DRAINAGE SYSTEMS.

    The City of Cedar Rapids Building Code is hereby amended by repealing Section 1805.4.3 of the International Building Code, 2015 Edition and by replacing said section with a new Section 1805.4.3 and by adding a new Section R401.3.1 to the International Residential Code, 2015 Edition, as follows:

    R401.3.1/1805.4.3 Drainage discharge. The floor base and foundation perimeter drain shall discharge by gravity or mechanical means into an approved drainage system that complies with the following:

    Sump pit located inside building.

    Exception: Sump pit may be omitted if drainage tile can be designed with natural fall and drain on same property if approved by the Building Official.

    For each sump pit installed a pump discharge pipe shall be provided running continuous from a point directly outside the sump pit to the approved storm sewer connection or other approved discharge location. The outlet line from the sump pump shall discharge a minimum of two (2) feet from the outside foundation wall and a minimum 10 feet from the lot line. No sump discharge may cause a hazard.

    Pump discharge pipe shall be installed as per the requirements of the City of City of Cedar Rapids Plumbing Code with connections to City storm sewer as per Cedar Rapids Metropolitan Area Engineering Design Standards Manual.

    Installation of a sump pump if one is found by the Building Official to be necessary shall be equipped to automatically provide for discharge of sump pit water outside the basement wall and above grade and/or approved by the Building Official.

    A sump pump will be considered to be necessary if water inside the sump pit will not recede to a level four inches or more below the lowest basement floor surface by gravity or absorption into the earth within a reasonable period of time.

    Where surface ground water conditions warrant, the Building Official or City Engineer may require additional drainage methods or engineering as he/she deems necessary.

    (047-15)

  • 33.37 - R405.1 CONCRETE OR MASONRY FOUNDATIONS EXCEPTION.

    Section R405.1 Concrete or masonry foundations is hereby amended by deleting the Exception.

    (047-15)

  • 33.38 - 602.1.2 CENTRAL BUSINESS DISTRICT.

    Section 602.1.2 Central business district is hereby added as follows:

    Section 602.1.2 Central business district. Buildings or structures hereafter erected, constructed, altered, remodeled or moved within or into the Central Business District, as defined in the Cedar Rapids Fire Code, shall be of non-combustible construction.

    (047-15)

  • 33.39 - 1008.1.5.1 and R403.1.4 FROST PROTECTION OF LANDINGS AT DOORS.

    Section 1008.1.5.1 Frost protection of landings at doors is hereby added as follows:

    Section 1008.1.5.1 Frost protection of landings at doors. Exterior landings at doors shall be provided with frost protection.

    R403.1.4.1 Exceptions. The City of Cedar Rapids Building Code is hereby amended by deleting Section R403.1.4.1 Exception (3) from the International Residential Code, 2015 Edition, and inserting in lieu thereof the following:

    3. Decks that are not the main path of egress out of the structure, and less than 36 sq. ft. and not supported by a dwelling need not be provided with footings that extend below the frost line.

    (047-15)

  • 33.40 - 1013.2 FLOOR LEVEL EXIT SIGNS IN GROUP R-1.

    Section 1013.2 Floor level exit signs in Group R-1 is hereby deleted in its entirety.

    (047-15)

  • 33.41 - EXCEPTION BACKWATER VALVE.

    The City of Cedar Rapids Building Code is hereby amended by adding a new exception to Section P3008.1 of the International Residential Code, 2015 Edition, as follows:

    EXCEPTION: The requirements of this Section shall apply only at locations determined necessary by the City Engineer or Building Official based on local conditions.

    (047-15)

  • 33.42 - SUBSURFACE LANDSCAPE IRRIGATION SYSTEMS.

    The City of Cedar Rapids Building Code is hereby amended by deleting Section P3009.1 from the International Residential Code, 2015 Edition, and inserting in lieu thereof the following:

    P3009.1 Scope. The provisions of this Section shall be optional and for information only of the materials, design, construction and installation of subsurface landscape irrigation systems connected to nonpotable water from on-site water reuse systems.

    (047-15)

  • 33.43 - FUEL GAS PIPING.

    The City of Cedar Rapids Building Code is hereby amended by repealing Sections G2415.3 of the International Residential Code, 2015 Edition and by replacing said section with a new Section G2415.3 as follows:

    G2415.3 Prohibited Locations. Piping shall not be installed in or through a duct supply, return or exhaust, or a clothes chute, chimney or gas vent, dumbwaiter or elevator shaft.

    (047-15)

  • 33.44 - SWIMMING POOLS AND SPAS.

    The City of Cedar Rapids Building Code is hereby amended by repealing Section 3109 of the International Building Code, 2015 Edition and by replacing said section with a new Section 3109 as follows:

    SECTION 3109 SWIMMING POOLS AND SPAS

    3109.1 General. The design and construction of pools and spas shall comply with the International Swimming Pool and Spa Code, 2015 Edition.

    (047-15)

  • 33.45 - 1029.14 SEAT STABILITY EXCEPTION 2.

    Section 1029.14 Seat stability is hereby amended by deleting Exception 2.

    (047-15)

  • 33.46 - 1030.1 GENERAL EXCEPTION 4 AND R310.1 EMERGENCY ESCAPE AND RESCUE REQUIRED EXCEPTION 2.

    Section 1030.1 General is hereby amended by adding an Exception 4, and R310.1 Emergency escape and rescue required is hereby amended by adding an Exception 2, as follows:

    Section 1030.1 Exception 4 and R310.1 Exception 2. Egress windows required for remodel or finish in existing basements may have a maximum sill height measured from an elevated landing not less than 36-inches wide, not less than 18-inches out from the exterior wall and not more than 24-inches in height. The landing shall be permanently affixed to the floor below and the wall under the window it serves.

    Unobstructed access shall be maintained, both interior and exterior, at escape windows or doors for ready access of escape or rescue. When a basement/lower level (partially below grade) contains an area for a closet/wardrobe and/or is adjacent to a full or 3/4 bathroom, finished or not, this room will be considered to be a bedroom by building official interpretations. "Adjacent" for the purpose of definition for this interpretation shall mean: "That being on the same level or story."

    For the purpose of egress in such rooms the following procedures are applicable. Provide a window/windows capable of meeting the height, width and sill heights as prescribed by code.

    If said room is not intended to be used as a bedroom/sleeping room, the following alternate is acceptable. Provide an affidavit that has been recorded with the Linn County Recorder's Office to become a permanent part of the abstract for subject property listing, but not limited to the following items:

    1. Property legal description.

    2. Address

    3. Purpose of finished room is not for bedroom/sleeping room purposes because of building code inadequacies.

    Also, a copy of the recorded document will be attached to the building permit and become part of the Building Department permanent file.

    (047-15)

  • 33.47 - 1203.3 AND R408.3.1 FLOOR SURFACE, CRAWL SPACE, AND SUBBASEMENTS.

    Section 1203.3 and R408.3.1 Floor surface, crawl space, and sub-basements is hereby added as follows:

    Section 1203.3 and R408.3.1 Floor surface, crawl space, and subbasements. All crawl space or sub-basement floors shall be capped with a minimum of 1-1/2 inches of concrete over 6-mil vapor barrier. Said concrete mixture shall be a minimum of 1500-PSI strength.

    (047-15)

    (Note: Chapter 33 adopted by Ordinance No. 50-06, passed December 20, 2006; reenacted by Ordinance No. 023-12, passed April 10, 2012 and published April 16, 2012; and reenacted by Ordinance No. 047-15, passed July 28, 2015)