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Exterior Building Treatment <br />Requirements <br />A. The exterior finish of the attached garage shall match <br />that of the principal structure. <br />B. Detached accessory structures, in most cases, must <br />be constructed with exterior materials similar to that <br />of the principal structure. For specific requirements, <br />contact city staff. <br />C. Permitted exterior finishes and other architectural <br />standards are also specified by lot size. <br />General Design Standards <br />A. All accessory structure roofs must be designed for a <br />minimum 351b per square foot live load and a 10lb <br />per square foot dead Toad. <br />B. Additions to any existing structure which currently <br />has frost footings must be also be designed with frost <br />footings. <br />C. All frost footings must be 42" deep minimum. <br />D. All wood in direct contact with concrete or masonry <br />must be pressure treated of equal decay resistance. <br />E. Garage slabs should be designed to be 4 inches thick <br />throughout minimum, with reinforcement. <br />(See attached detail drawing for slab -on -grade <br />detached structures.) <br />F. All wall sheathing joints must be on studs, plates, or <br />solid 2x blocking and fastened per code. Fiberboard <br />sheathing must be installed with the long direction <br />vertically. <br />G. For heated, accessory buildings; a manufactured ice <br />dam material must be installed 24 inches inside the <br />exterior wall line and be provided with attic ventilation <br />per code. <br />H. Enclosed attic spaces over 30 inches in height shall <br />be provided with an access opening 22" x 30". <br />Construction and Finish <br />Accessory buildings may be constructed of any material <br />accepted by the Minnesota State Building Code, which is <br />approved to the application and location. <br />Exterior materials and finish must match or complement <br />the exterior finish of the principal structure in material, <br />color and texture. (See tables for size limitations for more <br />information.) <br />Fire Protection <br />Attached garages shall be separated from living areas with <br />a minimum of/" gypsum board on the garage side. This <br />shall extend from the floor to roof sheathing and into soffit <br />areas. <br />Access from a dwelling to the garage shall consist of a <br />solid wood door of 1-3/8" thick, solid, or honeycomb steel <br />door of the same thickness or a labeled 20-minute fire <br />door. No doorway shall open directly from a garage to a <br />sleeping room. <br />Garage Door Openers <br />Automatic garage openers that are installed, serviced, or <br />repaired must incorporate an edge sensor, safety beam or <br />similar device in compliance with Minnesota Statutes, <br />sections 325F.82 and 325F.83 <br />Framing Requirements <br />The trusses may be of engineered design by an approved <br />manufacturer or hand framed rafters in accordance with <br />Chapter 8 of MSRC. <br />Attic Ventilation <br />For enclosed garages, attics must be provided with <br />ventilation equivalent to 1/300th of the attic area, equally <br />distributed between soffit vents and high roof or ridge <br />vents. <br />Flashing <br />Required over all exterior exposed openings. <br />Valley Flashing <br />Minimum 26 gauge galvanized extending at least 12 <br />inches from center line each way. Provide an underlay <br />of not less than 15 pound felt extending 18 inches <br />each way from center line. <br />Roof Starter Strip <br />A manufactured ice dam protection membrane may be <br />required to be installed to a point no less than 24 inches <br />inside the exterior wall line. This product must be <br />installed per the manufacturer's instructions. Start the <br />product at the outer edge of the fascia boards. <br />City of itz <br />RAMSEY <br />