2930 HOYT AVE 2019-09-24 - Laserfiche WebLink

J PRESCRIPTIVE COMPLIANCE METHOD [BS]404.5 Flood hazard areas.For buildings and structures less than 40 inches (1016 mm) wide by 36 inches (914 mm) - in flood hazard areas established in Section 1612.3 of the long, located not more than 8 inches (203 mm) below the " International Building Code,or Section R322 of the Interior- door. tional Residential Code,as applicable,any repair that consti- 405.5 Opening protectives. Doors and windows along the tutes substantial improvement or repair of substantial fire escape shall be protected with 3/4 hour opening protec- I damage of the existing structure shall comply with the flood fives. design requirements for new construction, and all aspects of the existing structure shall be brought into compliance with the requirements for new construction for flood design. SECTION 406 For buildings and structures in flood hazard areas estab- GLASS REPLACEMENT fished in Section 1612.3 of the International Building Code, AND REPLACEMENT WINDOWS or Section R322 of the International Residential Code, as 406.1 Replacement glass.The installation or replacement of applicable, any repairs that do not constitute substantial glass shall be as required for new installations. improvement or repair of substantial damage of the existing structure are not required to comply with the flood design 406.2 Replacement window opening control devices. In requirements for new construction. Group R-2 or R-3 buildings containing dwelling units, win- dow opening control devices complying with ASTM F 2090 shall be installed where an existing window is replaced and SECTION 405 where all of the following apply to the replacement window: FIRE ESCAPES 1. The window is operable; 405.1 Where permitted.Fire escapes shall be permitted only 2. The window replacement includes replacement of the as provided for in Sections 405.1.1 through 405.1.4. sash and the frame; 405.1.1 New buildings. Fire escapes shall not constitute 3. The top of the sill of the window opening is at a height any part of the required means of egress in new buildings. less than 36 inches(915 mm)above the finished floor; 405.1.2 Existing fire escapes.Existing fire escapes shall 4. The window will permit openings that will allow pas- continue to be accepted as a component in the means of sage of a 4-inch-diameter (102 mm) sphere when the egress in existing buildings only. window is in its largest opened position;and 405.1.3 New fire escapes. New fire escapes for existing 5. The vertical distance from the top of the sill of the win- ( buildings shall be permitted only where exterior stairways dow opening to the finished grade or other surface cannot be utilized due to lot lines limiting stairway size or below,on the exterior of the building,is greater than 72 due to the sidewalks, alleys or roads at grade level. New inches(1829 mm). fire escapes shall not incorporate ladders or access by win The window opening control device, after operation to down. release the control*device allowing the window to fully open, 405.1.4 Limitations.Fire escapes shall comply with this shall not reduce the minimum net clear opening area of the section and shall not constitute more than 50 percent of the window unit to less than the area required by Section 1029.2 required number of exits nor more than 50 percent of the of the International Building Code. required exit capacity. Exceptions: 405.2 Location. Where located on the front of the building 1. Operable windows where the top of the sill of the and where projecting beyond the building line, the lowest window opening is located more than 75 feet (22 landing shall be not less than 7 feet(2134 mm)or more than 860 mm) above the finished grade or other surface 12 feet(3658 mm)above grade,and shall be equipped with a below, on the exterior of the room, space or build- counterbalanced stairway to the street.In alleyways and thor- ing,and that are provided with window fall preven- oughfares less than 30 feet (9144 mm) wide, the clearance tion devices that comply with ASTM F 2006. under the lowest landing shall be not less than 12 feet(3658 mm). 2. Operable windows with openings that are provided 405.3 Construction. The fire escape shall be designed to with window fall prevention devices that comply support a live load of 100 pounds per square foot(4788 Pa) with ASTM F 2090. and shall be constructed of steel or other approved noncom- 406.3 Replacement window emergency escape and rescue bustible materials.Fire escapes constructed of wood not less openings.Where windows are required to provide emergency than nominal 2 inches(51 mm)thick are permitted on build- escape and rescue openings in Group R-2 and R-3 occupan- ings of Type V construction.Walkways and railings located cies,replacement windows shall be exempt from the require- over or supported by combustible roofs in buildings of Type ments of Sections 1030.2, 1030.3 and 1030.5 provided the III.and IV construction are permitted to be of wood not less replacement window meets the following conditions: " than nominal 2 inches(51 mm)thick. 1. The replacement window is the manufacturer's largest t' 405.4 Dimensions.Stairways shall be at least 22 inches(559 standard size window that will fit within the existing mm)wide with risers not more than,and treads not less than, frame or existing rough opening.The replacement win- 8 inches (203 mm) and landings at the foot of stairways not dow shall be permitted to be of the same operating style 2015 INTERNATIONAL EXISTING BUILDING CODE® 19