User manual | egress windows - City of Alexandria, MN

EMERGENCY ESCAPE &
RESCUE UNDER DECKS
REQUIREMENTS
Emergency escape windows are allowed
to be installed under decks and porches
provided the location allows the emergency escape window to be fully opened
and provides a path of travel not less
than 36-inches in height to the yard.
A guard or cover is NOT Required for window
wells.
36-inch
min.
EGRESS
WINDOWS
For additional information about emergency escape
and rescue openings consult the International
Residential Code, Section R310 or contact your
Building Department.
City of Alexandria
Building Department
City Hall
704 Broadway
Alexandria, MN 56308
(320) 763-6678
What is an Egress Window?
An egress window is intended to provide an emergency exit from a dwelling
and also provide an entry point for rescue personnel.
NET CLEAR AREA DETAILS
WINDOW WELL LADDER & STEPS
The minimum net clear opening height shall be
24-inches.
Window wells with a vertical depth greater
than 44-inches shall be equipped with permanently affixed ladder or steps usable with
the window in the fully opened position.
The minimum net clear opening width shall be 20inches.
24-inch min. height
The ladder or steps are permitted to encroach a maximum of 6-inches into the required dimensions of the window well.
20-inch
min. width
REQUIREMENTS
Basements and every sleeping room shall
have at least one operable emergency escape and rescue window or exterior door
opening directly to the outside. (R310.1)
Exception: Basements used only to house
mechanical equipment and not exceeding
total floor areas of 200 square-feet.
5.7 sq. ft.
min.
All
emergency escape and rescue openings shall have a minimum net clear opening of 5.7 square feet.
Exception: Grade floor openings shall have
a net clear opening of 5 square-feet. A grade
floor opening is not more than 44-inches
above or below finished grade.
Ladders or rungs shall have an inside width
of at least 12-inches, shall project at least 3inches from the wall and shall be spaced not
more than 18-inches on center vertically for
the full height of the window well.
The
net
clear opening dimension requirements shall be obtained by the
normal operation of the emergency escape and
rescue opening from the inside, without special
knowledge or tools.
SILL HEIGHT REQUIREMENT
When windows are provided as a means of escape and rescue they shall have a sill height of
not more than 44-inches above the floor.
44-inch max. sill height
WINDOW WELLS
The minimum horizontal area of the window well
shall be 9 square-feet, with a minimum projection
and width of 36-inches. The area of the window
well shall allow the emergency escape and rescue
opening to be fully opened.
A ladder/steps
required when
over 44-inches
deep
Bars, grilles, covers, screens or similar devices are permitted to be placed over emergency escape and rescue openings,provided
such devices shall be releasable or removable from the inside without the use if a key,
tool, special knowledge or force greater than
that which is required for normal operation.

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