Commercial Exterior Door Landing Code
If the door swings out over the landing this dimension is 1 inch maximum.
Commercial exterior door landing code. The u factor requirements discussed above for vertical fenestration also apply to exterior glass doors. This chapter provides guidelines on door height and width based on the function of the structure. Every landing shall have a dimension measured in the direction of travel equal to the width of the stairway. Code requirements for exterior doors are covered in chapter 10 of the ibc.
Glass doors by definition in the iecc are considered to be those which are more than 50 percent glass in area. Heavy duty spring hinges and one 4 1 2 in. Landings when provided shall not reduce the width to less than one half the required width at any position in the swing or by more than 7 inches by a door when. Title 24 part 2 section 2 3303 i 1 and i 2 exception.
Such dimension need not exceed 4 feet when the stair has a straight run. Where a door opens over a landing the landing shall be at least as wide as the door and at least 5 feet long. Commercial stair code standard stair dimensions building code for stairs stair width stair riser height stair tread depth stair code stair handrail code. These landings must be no more than 8 inches below the interior floor level.
Where exterior landings or floors serving the required egress door are not at grade they shall be provided with access to grade by means of a ramp in. Entrance door complete with welded steel door frame. For all non egress exterior doors the 2003 code update allows a 7 3 4 in. Step down on the interior and up to two steps down to the landing on the exterior regardless of which way the door swings it can only swing over one step.
Fire rated gray right hand flush steel prehung commercial door with welded frame deadlock and hardware the 36 in. Where the door opens into the stairway of a smokeproof enclosure the landing need not have a length of 5 feet. Entrance door complete the 36 in. All exterior doors shall have a landing immediately on the exterior side.
It comes complete with an passage lockset single cylinder deadbolt two 4 1 2 in. The landing or floor on the exterior side shall be not more than 7 3 4 inches 196 mm below the top of the threshold provided the door does not swing over the landing or floor.