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| Basement entrance and exit doors, basement egress |
| Cellar Stairs, Window Egress, Basement Entrance Ways. |
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Emergency Escape and Rescue Openings.
Code Required Access from Your
Finished Basement.
Good to know
Information.
In addition to the normal means of egress, provisions should be
made for emergency escape and rescue. Basements and sleeping rooms below the
grade plane should have at least one exterior emergency escape and rescue
openings by Able Group Contractors 610-853-8311. |
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These egress openings shall open directly into a public way or to
a yard or court that opens to a public way. Emergency escape and rescue openings
are not required from basements or sleeping rooms that have an exit door or exit
access door that opens directly into a public way or to a yard, court or
exterior exit balcony that opens to a public way. Basements without
habitable spaces and having no more than 200 square feet (18.6 m2) in floor area
shall not be required to have emergency escape windows.
Where basements contain more than one sleeping rooms, emergency
egress and rescue openings may be required in each sleeping room.
Minimum size. Emergency escape and rescue openings shall
have a minimum net clear opening of 5.7 square feet (0.53 m2).
Exception: The minimum net clear opening for emergency escape and rescue
grade-floor openings shall be 5 square feet (0.46 m2).
Minimum dimensions.
The minimum net clear opening height dimension shall be 24 inches (610 mm). The
minimum net clear opening width dimension shall be 20 inches (508 mm). The net
clear opening dimensions shall be the result of normal operation of the opening.
Maximum height from
floor. Emergency escape and rescue openings shall have the bottom of the clear
opening not greater than 44 inches (1118 mm) measured from the floor. |
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Operational constraints. Emergency
escape and rescue openings shall be operational from the inside of the room
without the use of keys or tools. Bars, grilles, grates or similar devices are
permitted to be placed over emergency escape and rescue openings provided the
minimum net clear opening size 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. Where such
bars, grilles, grates or similar devices are installed in existing buildings,
smoke alarms shall be installed regardless of the valuation of the alteration.
Window wells. An emergency escape and rescue
opening with a finished sill height below the adjacent ground level shall be
provided with a window well.
Minimum size. |
The minimum horizontal area of the window well shall be 9 square feet (0.84 m2),
with a minimum dimension of 36 inches (914 mm). The area of the window well
shall allow the emergency escape and rescue opening to be fully opened. |
Ladders or steps. Window wells
with a vertical depth of more than 44 inches (1118 mm) shall be equipped with an
approved permanently affixed ladder or steps. 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
(o.c.) vertically for the full height of the window well. The
ladder or steps shall not encroach into the required dimensions of the window
well by more than 6 inches (152 mm). The ladder or steps shall not be obstructed
by the emergency escape and rescue opening. Ladders or steps required by this
section are exempt from the stairway requirements.
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Basement Ventilation
Choices - The wide range of ventilation fans go from the very basic (about $50, normally used to satisfy the
building code) to the stylish and pricey (over $200, normally used where a
quick air change is needed). The choice is based on the specific need,
location, make-up air, noise level, ductwork accessibility, etc. Bathroom fans
are rated by the amount of air they move - CFM (Cubic Feet per
Minute).
The goal should be to chose the right fan, and have it
installed at the right location. |
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Steam Vent-Out -
Shower steam is produced
quickly, and needs a quick system to vent it out during the shower. A
strong fan, an efficient duct to the exterior and make-up air is essential (door
left open).
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Ductwork -
The duct should run to the exterior. A smooth run is best.
A double back-up flap (one on the fan, and one on the exterior)
should be a must to keep out bugs, birds and unwanted drafts.
Too long or too short is not good. |
Do-It-Yourself Installation
- Your fan will
provide step-by-step instructions. Replacing an existing bath
fan is easier, since the wiring is already in place. Venting in
a new location requires some careful planning. Your fan should
be installed in the ceiling, between rafters or floor joists.
Two critical questions: How will you get switched wires to your
new fan? How will you run the vent ducting to the
outdoors? You might have to do some drywall cutting and
patching. You may also need to climb onto your roof to add a
vent cover.
Good ventilation is important for health and comfort. Bad ventilation reduces
the efficiency of your heating and cooling systems. Commercial property
ventilation systems should always be maintained on a routine basis by a
professional.
In addition to drawing
fresh air into your home, good ventilation keeps air circulating throughout your
home and vents home appliances, like the kitchen fan and fireplace and wood
stove, to the outside. Home ventilation includes everything from cross
ventilation through open windows, to breezes from electric fans, and fresh air
from an air exchanger.
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Basement
Flood Water and Seepage, Foundation Structural Problems, Moisture and Dampness.
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