Charleston, South Carolina IRC Adoption

IRC VERSION
2000
View Details
ADOPTION
X
X - Effective Statewide


Contacts

Zoning & Codes
843-724-3781
Geona Shaw Johnson, Director of Housing & Community Development
843-724-3766
Mike Julazadeh,
843 724-3429

Resources

Website: http://www.charleston-sc.gov/index.aspx?NID=391
Municipal Code: https://library.municode.com/sc/charleston/codes/code_of_ordinances?nodeId=CICO_CH7BUBURE

Charleston, South Carolina Information



2000 IRC Egress Codes - Quick Glance

Window Well Requirements for Egress

Minimum
Width

36"

Minimum
Projection

36"

Maximum
Depth

44"

Without an Egress Ladder

Maximum
Depth


With a Permanent Egress Ladder

Basement Window Requirements for Egress

Minimum
Opening

5.7 ft²

Above Grade

Minimum
Opening

5 ft²

Below Grade

Minimum
Width

20"

Minimum
Height

24"


Last updated: Thursday, September 28, 2017
Notice: Please verify with your local county building inspector to double check your code requirements before starting a project. We try to keep this database up-to-date as best as possible, but express no warranties on accuracy of information. If you find a mistake or have any questions, please Contact Us or call 1-888-650-9355

2000 International Residential Code

SECTION R310 - EMERGENCY ESCAPE AND RESCUE OPENINGS

R310.1 Emergency escape and rescue required.

Basements with habitable space and every sleeping room shall have at least one openable emergency escape and rescue window or exterior door opening for emergency escape and rescue. Where openings are provided as a means of escape and rescue 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 window or door opening from the inside of Escape and rescue window openings with a finished sill height below the adjacent ground elevation shall be provided with a window well in accordance with Section R310.2.
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 or tools.

R310.2 Window wells.

Window wells required for emergency escape and rescue shall have horizontal dimensions that allow the door or window of the emergency escape and rescue opening to be fully opened. The horizontal dimensions of the window well shall provide a minimum net clear area of 9 square feet (0.84 m2) with a minimum horizontal projection and width of 36 inches (914 mm). Exception: The ladder or steps required by Section R310.2.1 shall be permitted to encroach a maximum of 6 inches (152 m'm) 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) below the adjacent ground level 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 R314 and R315. 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 R314.9.

R310.4 Bars, grills, covers and screens.

Bars, grills, 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 or force greater than that which is required for normal operation of the escape and rescue opening.

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