RS-15- Common Residential Codes
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Full Service Center East Area Service Center 827 7th Street, Room 102 5229 Hazel Avenue, Suite B Sacramento, CA 95814 Fair Oaks, CA 95628 M-F 8:30am - 4:30pm M-Tu. 9:00am - 4:00pm Building Permits & Inspection Division Bradshaw Center North Area Service Center 9700 Goethe Road, Suite A 3331 Peacekeeper Wy, Suite 100 General Information: (916) 875-5296 Sacramento, CA 95827 McClellan, CA 95652 www.building.saccounty.net M-F 8:30am - 4:30pm W-Th. 9:00am - 4:00pm COMMON RESIDENTIAL CODES Project Description Date Case No. These sheets, when attached to a set of plans, become part of those plans and must remain attached thereto. The approval of this plan and the specifications shall not be held to permit or approve the violation of any County ordinance or State or Federal law. Sacramento County currently enforces the 2016 California Building Code (CBC), 2016 California Residential Code (CRC), 2016 California Mechanical Code (CMC), 2016 California Electrical Code (CEC), 2016 California Plumbing Code (CPC), 2016 California Fire Code (CFC), 2016 California Energy Commission Standards (CESC) and the current California Health and Safety Codes as well as Sacramento County locally adopted amendments to such codes. I have read and will comply with the items in this document and as marked on the plans. I am aware that the text and code sections referenced in this form may be appealed as per SCC 105. Date Signature of: Owner Authorized Agent Contractor Architect/Engineer BUILDING CODE REQUIREMENTS Section R301 Design Criteria B-1 R301.1.1 Alternative provisions. Conventional Light-Frame Construction complying with the AF&PA (WFCM) is an acceptable alternative to this CRC provision, when addressing prescriptive framing requirements. B-2 R301.1.3 Engineered Design. Where a building of otherwise Conventional Light Framed construction contains structural elements exceeding the limits of Section R301 or otherwise not conforming to this code, these elements shall be designed in accordance with accepted engineering practice. The extent of such design need only demonstrate compliance of nonconventional elements with applicable provisions and shall be compatible with the performance of the conventional framed system. Engineered design in accordance with the 2016 California Building Code is permitted for buildings and structures in the scope of this code. Section R302 Fire-Resistant Construction B-3 R302.5.1 Opening protection. All private garages that open directly into a room used for sleeping purposes shall not be permitted. Other openings between the garage and the residence shall be equipped with solid wood doors not less than 1 3/8 inches in thickness, solid or honeycomb core steel doors not less than 1 3/8 inches thick, or 20-minute fire-rated doors, equipped with a self-closing and self-latching device. Exception: Where the residence and private garage are protected by an automatic residential fire sprinkler system in accordance with Sections R309.6 and R313, other door openings between the garage and residence need only be self-closing and latching. Under no circumstance shall a private garage have any opening into a room used for sleeping purposes. When habitable rooms are above a garage or carport, the separate ceiling shall have not less than 5/8 inch Type X gypsum board or equivalent. B-4 R302.11 and R302.12 Fireblocking and Draftstopping. Fire blocking and Draft stopping shall be installed according to the 2016 CRC Section provisions. B-5 R302.5.2 Duct Penetration. Ducts in the garage and ducts penetrating the walls or ceilings separating the dwelling from the garage shall be constructed of a minimum No. 26 gauge sheet steel or other approved material and shall not have openings into the garage. B-6 R302.7 Under-stair protection. Enclosed accessible space under stairs shall have walls, under-stair surfaces, and any soffits protected on the enclosed side with ½ inch Gypsum board. Document # RS-15 Last update: 3/30/2017 Page 1 of 16 Section R303 Light, Ventilation and Heating B-7 R303 Light, Ventilation and Heating. Provide adequate natural light and ventilation for habitable rooms within a dwelling unit. The minimum openable area to the outdoors for natural ventilation shall not be less than 4 percent of the floor area being ventilated. The minimum aggregate glazing area for natural light shall not be less than 8 percent of such room. Exception 1: The glazed areas need not be openable where the opening is not required by Section R310 and a whole-house mechanical ventilation system is installed and capable of producing 0.35 air change per hour in the room is installed or a whole-house mechanical ventilation system is installed capable of supplying outdoor ventilation air of 15 cubic feet per minute per occupant computed on the basis of two occupants for the first bedroom and one for each additional bedroom. Exception 2: The glazed areas need not be installed in rooms where artificial light is provided capable of producing an average illumination of 6 footcandles over the area of the room at a height of 30” above the floor level. B-8 R303.9 Required heating. Where the design temperature in Table R301.2(1) is below 60 degree F, every dwelling unit shall be provided with heating facilities capable of maintaining a room temperature of not less than 68 degree F at a point 3 feet above the floor and 2 feet from the exterior walls in habitable rooms at the design temperature. The installation of one or more portable space heaters shall not be used to achieve compliance with this section. B-9 R304.1 and R304.2 Minimum area and dimensions. Habitable spaces within a dwelling unit, other than kitchens, shall not be less than 7-feet in any direction and have a minimum of 70 square feet of floor area (except kitchens). B-10 R305.1 Minimum height. Habitable space, hallways, bathrooms, toilet rooms, laundry rooms and portions of basements containing these spaces shall have a ceiling height of not less than 7-feet. Ceilings above fixtures in bathrooms or above shower heads may have a 6-foot 8 inch height. B-11 R307.2 Bathtub and Shower spaces. Bathtub and shower floors and walls above bathtubs with installed shower heads and in shower compartments shall be finished with a nonabsorbent surface. Such wall surfaces shall extend to a height of not less than 6 feet above the floor. B-12 R308.4 Hazardous locations. Provide safety glazing for all glazing located in hazardous locations as specified in Sections R308.4.1 through R308.4.7. Section R310 Emergency Escape and Rescue Openings B-13 R310.1 Emergency Escape and Rescue openings. Basements, habitable attics and every sleeping room shall have not less than one operable emergency escape and rescue opening. Where basements contain one or more sleeping rooms, an emergency escape and rescue shall be required in each sleeping room. Emergency escape and Rescue openings shall open directly into a public street, public way, or to a yard, or court that opens to a public way. B-14 R310.2.1 Minimum opening area. Escape or rescue windows shall have a minimum net clear openable area of 5.7 square feet unless located at grade level where it may be reduced to 5 square feet. The minimum net clear openable height dimension shall be 24 inches. The minimum net clear openable width dimension shall be 20 inches. B-15 R310.2.2 Window sill height. Where a window is provided as the emergency escape or rescue window opening it shall have the bottom of the clear opening not greater than 44 inches above the floor; where the sill height is below grade, it shall be provided with a window well in accordance with Section R310.2.3 B-16 R312.2 Window fall protection. Window fall protection shall be provided in accordance with Section R312.2.1 and R312.2.2. Document # RS-15 Page 2 of 16 Section R311 Means of Egress B-17 R311.7 Stairways. Private stairways and steps may be constructed with a 7 ¾-inch maximum rise, a 10- inch minimum run, and a 36-inch minimum width. The largest tread run and the greatest riser height within any flight of stairs shall not exceed the smallest by more than 3/8-inch. A nosing of not less than ¾-inch and not more than 1 ¼-inch shall be provided on stairways with solid risers. Stairways within dwelling units must have a handrail on at least one side unless there are less than 4 risers, where no handrail is required. The handgrip portion of handrails shall be not less than 1 ¼-inch or more than 2-inches in cross-sectional dimension and placed between 34-inches and 38-inches above the nosing of the treads. Non-circular handrails shall have dimensions not to exceed 2 ¼–inches in cross sectional area and a perimeter dimension of at least 4-inches but not to exceed 6 ¼-inches. Stairwells must maintain 80-inches of headroom clearance. B-18 R311.7.6 Landings for stairways. There shall be a floor or landing at the top and bottom of each stairway. The width perpendicular to the direction of travel shall not be less than the width of the flight served. Landings of shape other than square or rectangular shall be permitted provided that the depth at the walk line and the total area is not less than that of a quarter circles, with a radius equal to the required landing width. Where the stairway has a straight run, the depth in the direction of travel shall be not less than 36 inches.