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Plan Review Comments <br />Page 9 of 14 <br /> <br />shall be provided with and artificial light source located in the immediate vicinity <br />of each landing of the stairway. <br />51. Fasteners used in pressure preservative and fire-retardant-treated wood shall be <br />hot dipped galvanized steel, stainless steel, silicon bronze or copper. <br />i. Exception: One-half inch (½”) diameter or greater steel bolts. (2007 <br />IRC, section R323.3) <br />52. R703.2 Weather-resistive barrier: One layer of No. 15 asphalt felt, free from <br />holes and breaks, complying with ASTM D 226 for Type 1 felt or other approved <br />water-resistive barrier shall be applied over studs or sheathing of all exterior <br />walls. Such felt or material shall be applied horizontally, with the upper layer <br />lapped over the lower layer not less than 2” inches. Where joints occur, felt shall <br />be lapped not less than 6” inches. The felt or other approved material shall be <br />continuous to the top of walls and terminated at penetrations and building <br />appendages in a manner to meet the requirements of the exterior wall envelope <br />as described in Section R703.1 [R703.2] <br />53. Safety glazing is required as applicable in windows located in hazardous <br />locations pursuant to the 2015 MSBC, Section R308.4 Hazardous locations, and <br />shall meet the acceptance criteria of ANSI/DASMA 108. <br />54. R308.4.2 Glazing adjacent doors. Glazing in an individual fixed or operable <br />panel adjacent to a door where the nearest vertical edge of the glazing is within a <br />24-inch arc of either vertical edge of the door in a closed position and where the <br />bottom exposed edge of the glazing is less than 60 inches above the floor or <br />walking surface shall be considered a hazardous location. <br />55. R308.4.5 Glazing and wet surfaces. Glazing in walls, enclosures or fences <br />containing or facing hot tubs, spas, whirlpools, saunas, steam rooms, bathtubs, <br />showers and indoor or outdoor swimming pools where the bottom exposed edge <br />of the glazing is less than 60 inches measured vertically above any standing or <br />walking surface shall be considered a hazardous location. This shall apply to <br />single glazing and all panes in multiple glazing. <br />i. Exception: Glazing that is more than 60 inches, measured <br />horizontally and in a straight line, from the water’s edge of a bathtub, <br />hot tub, spa, whirlpool, swimming pool. <br /> <br />56. Table R402.1.3 New windows and exterior doors must be a maximum of U-0.32 <br />or less. <br />57. R312.2 Window Fall Protection: Window fall protection shall be provided in <br />accordance with Section R312.2.1 and R312.2.2. <br />58. R312.2.1 Window Sill: In dwelling units, where the lowest part of the opening <br />of an operable window is located more than 72 inches above finished grade or <br />surface below, the lowest part of the window opening shall be 36 inches above <br />the finished floor of the room in which the window is located. Operable sections <br />of windows shall not permit openings that allow passage of a 4 inch diameter <br />sphere where such openings are located within 36 inches of the finished floor. <br />a. R310.1 Egress windows are noted on the Construction Documents; the <br />following are additional requirements for the basement and in all bedrooms. <br /> <br />b. MN R310.1 Emergency Escape and Rescue Required. Basements, habitable <br />attics, and every sleeping room shall have at least one operable emergency <br />and rescue opening. Where basements contain one or more sleeping rooms, <br />emergency egress and rescue openings shall be required in each sleeping