egress window

[James F. McKee]

Can someone tell me what size a double hung window would have to be to constitute a proper egress window in a basement......thanks Jim

[Michael Larson]

5 square ft.(at grade) 5.7 for others. free space with a 24" height minimum. 20 " width minimum

[James F. McKee]

Thanks Mike !!!!

[Gerry Beaumont]

Jim,

how dare you interupt all this political debate with an inspection question!!

But while we're here the window has to be a miniumum of 5.7sqft with a minimum opening of 20x24, and no more than 44 inches off the floor

Regards

Gerry

[Gerry Beaumont]

Originally Posted by mlarson

5 square ft. free space with a 24" width minimum. 20 " height minimum

Mike, your 5 sqft needs qualification, that is only if the window is at grade, otherwise it's 5.7sqft

Regards

Gerry

[Michael Larson]

Originally Posted by gbeaumont

Mike, your 5 sqft needs qualification, that is only if the window is at grade, otherwise it's 5.7sqft

Regards

Gerry

Yes Gerry you beat me too it. I will go back and correct my post.


I also turned around the width and height.

[James F. McKee]

thanks Gerry ...sorry to interrupt the religious and political discussions but every once in a while i have to work....I'll try not to make it a habit.....Jim

[Michael Larson]

[James F. McKee]

thank You Gentlemen...I don't know why everybody says such bad things about the two of you !!!!

[Frank M. Carrio, CMI]

Originally Posted by jmckee

Can someone tell me what size a double hung window would have to be to constitute a proper egress window in a basement......thanks Jim

Jim,
I hope that this can be of some help.

2006 International Residential Code for One & Two Family Dwellings.
Part III, Building Planning & Construction.

Chapter 3, Building Planning.

SECTION R310
EMERGENCY ESCAPE AND RESCUE OPENINGS
R310.1 Emergency escape and rescue required.
Basements and every sleeping room shall have at least one operable emergency and rescue opening. Such opening shall open directly into a public street, public alley, yard or court. Where basements contain one or more sleeping rooms, emergency egress and rescue openings shall be required in each sleeping room, but shall not be required in adjoining areas of the basement. Where emergency escape and rescue openings are provided they shall have a sill height of not more than 44 inches (1118 mm) above the floor. Where a door opening having a threshold below the adjacent ground elevation serves as an emergency escape and rescue opening and is provided with a bulkhead enclosure, the bulkhead enclosure shall comply with Section R310.3. The net clear opening dimensions required by this section shall be obtained by the normal operation of the emergency escape and rescue opening from the inside. Emergency escape and rescue openings with a finished sill height below the adjacent ground elevation shall be provided with a window well in accordance with Section R310.2. Emergency escape and rescue openings shall open directly into a public way, or to a yard or court that opens to a public way.
Exception:
Basements used only to house mechanical equipment and not exceeding total floor area of 200 square feet (18.58 m2).

R310.1.1 Minimum opening area.
All emergency escape and rescue openings shall have a minimum net clear opening of 5.7 square feet (0.530 m2).
Exception:
Grade floor openings shall have a minimum net clear opening of 5 square feet (0.465 m2) .

R310.1.2 Minimum opening height.
The minimum net clear opening height shall be 24 inches (610 mm).

R310.1.3 Minimum opening width.
The minimum net clear opening width shall be 20 inches (508 mm).

R310.1.4 Operational constraints.
Emergency escape and rescue openings shall be operational from the inside of the room without the use of keys, tools or special knowledge.

R310.2 Window wells.
The minimum horizontal area of the window well shall be 9 square feet (0.9 m2), with a minimum horizontal projection and width of 36 inches (914 mm). The area of the window well shall allow the emergency escape and rescue opening to be fully opened.
Exception:
The ladder or steps required by Section R310.2.1 shall be permitted to encroach a maximum of 6 inches (152 mm) into the required dimensions of the window well.

R310.2.1 Ladder and steps.
Window wells with a vertical depth greater than 44 inches (1118 mm) shall be equipped with a permanently affixed ladder or steps usable with the window in the fully open position. Ladders or steps required by this section shall not be required to comply with Sections R311.5 and R311.6. Ladders or rungs shall have an inside width of at least 12 inches (305 mm), shall project at least 3 inches (76 mm) from the wall and shall be spaced not more than 18 inches (457 mm) on center vertically for the full height of the window well.

R310.3 Bulkhead enclosures.
Bulkhead enclosures shall provide direct access to the basement. The bulkhead enclosure with the door panels in the fully open position shall provide the minimum net clear opening required by Section R310.1.1. Bulkhead enclosures shall also comply with Section R311.5.8.2.

R310.4 Bars, grilles, covers and screens.
Bars, grilles, covers, screens or similar devices are permitted to be placed over emergency escape and rescue openings, bulkhead enclosures, or window wells that serve such openings, provided the minimum net clear opening size complies with Sections R310.1.1 to R310.1.3, and such devices shall be releasable or removable from the inside without the use of a key, tool, special knowledge or force greater than that which is required for normal operation of the escape and rescue opening.

R310.5 Emergency escape windows under decks and porches.
Emergency escape windows are allowed to be installed under decks and porches provided the location of the deck allows the emergency escape window to be fully opened and provides a path not less than 36 inches (914 mm) in height to a yard or court.

[James F. McKee]

thanks Frank !!!

[Frank M. Carrio, CMI]

Originally Posted by jmckee

thanks Frank !!!

No Sweat GI!

I thought that you might like the actual codes for your data base.

Also......KUDOS to Michale Larson for the graphics

[Marcel R. Cyr]

Frank, 18" between rungs and 3" from face of wall, I would have a problem with that, although it meets code.

I can't lift my feet 18" and my feet are 12" long.

Marcel

[Frank M. Carrio, CMI]

Originally Posted by mcyr

Frank, 18" between rungs and 3" from face of wall, I would have a problem with that, although it meets code.

I can't lift my feet 18" and my feet are 12" long.

Marcel

Marcel,
Read it again.... I think that you will be fine!

R310.2.1 Ladder and steps.
Window wells with a vertical depth greater than 44 inches (1118 mm) shall be equipped with a permanently affixed ladder or steps usable with the window in the fully open position.
Ladders or steps required by this section shall not be required to comply with Sections R311.5 and R311.6.

Ladders or rungs shall have;
1. an inside width of at least 12 inches (305 mm)

2. shall project at least 3 inches (76 mm) from the wall and

3. shall be spaced not more than 18 inches (457 mm) on center vertically for the full height of the window well.

[Marcel R. Cyr]

Frank, the cheap contractor will push it to 18" and save a few bucks. ha. ha.