Residential Egress At 3rd Floor
The area of a window well shall not be less than 9 square feet with a horizontal length width of no less than 36 inches.
Residential egress at 3rd floor. Two floors and you can have a stair and a jump platform but three floors you will need two stairs. Again the screen or storm door is allowed to swing over the stairway. Egress window well code requirements. Emergency lighting facilities shall be arranged to provide initial illumination that is not less than an average of 1 footcandle 11 lux and a minimum at any point of 0 1 footcandle 1 lux measured along the path of egress at floor level.
Egress door a landing on the outside is not required provided the door does not swing over the stairway. Egress from third floor residential gregco 2014 2 answers it is my understanding that egress from a third floor in a single family home per the irc requires two separate stairs. When the sill height of an egress window is located below grade common for egress windows provided for a basement a window well must be provided. Building codes require at least one exit in the form of a 3 foot wide by 6 foot 8 inches high side hinged door and at least one emergency.
If you re in minnesota check out section r310 of the minnesota state building code for all of the requirements. 3 a floor at all exterior doors other than the required egress door should not be more than 7 and 3 4 inches lower than the top of the threshold. Requirements for means of egress for residential buildings of 4 floors or less address number size height and operation of doors and windows. I assume they are legal but no sure what the rights are for a 2nd exit.
Basements habitable attics and sleeping rooms need to have an egress opening. Illumination levels shall be permitted to decline to 0 6 footcandle 6 lux average and a minimum at any. I m not going to explain all of these requirements but i ll list the basics. Two floors and you can have a stair and a jump platform but three floors you will need two stairs.
The bottom of the required opening must be within 44 of the floor. There is no exit from the apt itself other than the main door.