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1. Unfinished basement spaces being converted to habitable space other than sleeping rooms when 1) smoke detectors installed in accordance with the residential Code, in addition to those required by applicable Codes, are installed in each room/space of the basement, and 2) the stairway to the basement is protected by a minimum 5/8" type X drywall completely encasing the stairs. 2. The area being finished is completely covered by a sprinkler system complying with Section R313 Automatic Fire Sprinkler Systems.+ (SECTION R311 MEANS OF EGRESS) R311.2 Egress door. At least two egress doors shall be provided for each dwelling unit. The egress door shall be side-hinged, and shall provide a minimum clear width of 32 inches (813 mm) when measured between the face of the door and the stop, with the door open 90 degrees (1.57 rad). The minimum clear height of the door opening shall not be less than 78 inches (1981 mm) in height measured from the top of the threshold to the bottom of the stop. Other doors shall not be required to comply with these minimum dimensions. Egress doors shall be readily openable from inside the dwelling without the use of a key or special knowledge or effort. (SECTION R312 GUARDS AND WINDOW FALL PROTECTION) R312.90 Guard design. Guards shall not have an ornamental pattern that would provide a ladder effect. } (SECTION R313 AUTOMATIC FIRE SPRINKLER SYSTEMS) R313.1 Townhouse automatic fire sprinkler systems. An automatic residential fire sprinkler system shall be installed in townhouses where applicable to Section R313.90. Exception: An automatic residential fire sprinkler system shall not be required for additions or alterations to existing townhouses that do not have an automatic residential fire sprinkler system installed. R313.2 One- and two-family dwellings automatic fire systems. An automatic residential fire sprinkler system shall be installed in one- and two-family dwellings where applicable to Section R313.90. Exception: An automatic residential fire sprinkler system shall not be required for additions or alterations to existing one- and two-family dwellings that do not have an automatic residential fire sprinkler system installed. R313.90 Mandatory Option. A builder of single-family dwellings or residences or multi- unit dwellings of four or fewer units shall offer to any purchaser on or before the time of entering into the purchase contract the option, at the purchaser's cost, to install or equip fire sprinklers in the dwelling, residence or unit. No purchaser of such a single family dwelling, residence, or multi-unit dwelling shall be denied the right to choose or decline to install a fire sprinkler system in such dwelling or residence being purchased. Last Printed:10/28/2013 6:01:00 PM 13 of 16 Residential Code