Transcript 2012 International Residential Code

Effective for applications submitted on September 16th
Swimming Pool Requirements
R305.4 Structure wall as a barrier. Where a wall of a dwelling or structure serves as part of the
barrier, doors and operable windows with a sill height of less than 48 inches, that provide direct
access to the aquatic vessel through the wall, shall be equipped with one or more of the
following:
(1) An alarm
(2) A safety cover that is listed and labeled in accordance with ASTM F1346.
(3) An approved means of protection, such as self-closing doors with self-latching devices,
provided that the degree of protection afforded is not less than the protection afforded by Items
1 or 2.
Swimming Pool Requirements
R305.6 Natural barriers. In the case where the vessel area abuts the
edge of a lake or other natural body of water, public access is not
permitted or allowed along the shoreline, and required barriers extend to
and beyond the water’s edge a minimum of 18 inches, a barrier is not
required between the natural body of water shoreline and the vessel.
R305.7 Natural topography. Natural topography that prevents direct access to
the aquatic vessel area shall include but not be limited to mountains and
natural rock formations. A natural barrier approved by the governing body shall
be acceptable provided that the degree of protection is not less than the
protection afforded by the requirements of Sections 305.2 through 305.5.
R305.2.4 Mesh restraining barrier/fence. Mesh fences other than chain
link fences in accordance with Section 305.2.7, shall be certified to
meet ASTM F-2286 and installed in accordance with the manufacturer’s
instructions
SECTION R315 CARBON
MONOXIDE ALARMS
315.1 Carbon monoxide alarms. Carbon monoxide alarms shall be installed in new buildings in
accordance with Sections 315.1.1 through 315.1.7 Carbon monoxide alarms shall be installed in
existing buildings in accordance with Section 315.1.8
315.1.1.1 Fuel-burning appliances and fuel burning fireplaces. Carbon monoxide alarms shall
be provided in dwelling units that contain a fuel-burning appliance or a fuel burning fireplace.
315.1.1.3 Garages. Carbon monoxide alarms shall be provided in dwelling units with attached
garages.
Exceptions:
• Carbon monoxide alarms shall not be required if there are no communicating openings
between the garage and the dwelling unit or.
• Carbon monoxides alarms shall not be required in dwelling unit’s located more than one
story above or below a garage.
Carbon Monoxide Alarms
315.1.3 Power source. Carbon monoxide alarms shall receive their primary power from
the building wiring where such wiring is served from a commercial source, and when
primary power is interrupted, shall receive power from a battery. Wiring shall be
permanent and without a disconnecting switch other than that required for
overcurrent protection.
Carbon Monoxide Alarms
315.1.2.1 Dwelling units. Carbon monoxide alarms shall be installed in dwelling units outside
of each separate sleeping area in the immediate vicinity of the bedrooms. Where a fuelburning appliance is located within a bedroom or its attached bathroom, a carbon monoxide
alarm shall be installed within the bedroom.
315.1.5 Combination alarms. Combination carbon monoxide/smoke alarms shall be an
acceptable alternative to carbon monoxide alarms. Combination carbon monoxide/smoke
alarms shall be listed in accordance with UL 2034 and UL 217.
315.1.8 Carbon monoxide alarms. Where work requiring a building permit, or work performed
on a fuel gas system, gas appliance or gas fixture in an existing dwelling or dwelling unit shall
be provided with carbon monoxide alarms in accordance with Section 315.1, except that the
carbon monoxide alarms shall be allowed to be solely battery powered.
Exception: Work involving the exterior surfaces of dwellings, such as the replacement of
roofing or siding, or the addition or replacement of windows or doors, or the addition of a
porch or deck, are exempt from the requirements of this section.
FIRE SEPARATION DISTANCE. The distance measured from the building face to one of the
following:
1. To the closest interior lot line; or
2. To the centerline of a street, an alley or public way; or
3. To an imaginary line between two buildings on the lot. The distance shall be measured at
a right angle from the face of the wall.
SECTION R313
AUTOMATIC FIRE SPRINKLER SYSTEMS
R313.1 Townhouse automatic fire sprinkler systems. An
automatic residential fire sprinkler system shall be installed
in townhouses.
Exception: An automatic residential fire sprinkler system
shall not be required when additions or alterations are
made to existing townhouses that do not have an
automatic residential fire sprinkler system installed.
Published code replacing the radiant assembly requirements
FIRE SEPARATION DISTANCE. The distance measured from the building face to one of
the following:
1. To the closest interior lot line; or
2. To the centerline of a street, an alley or public way; or
3. To an imaginary line between two buildings on the lot.
The distance shall be measured at a right angle from the
face of the wall.
Less than 2ft not allowed
One hour fire resistance rated
construction on underside of
projection.
Line used to determine the
fire separation distance
Equal to 5’
Fire separation
distance
One hour fire resistance rating with
exposure from both sides NOT
REQUIRED
Projections
Line used to
determine
the fire
separation
Underside of Soffit
must have a fire
resistant rated
material when
projecting into the 5’
fire separation area.
5’
Walls
Line used to
determine
the fire
separation
1 hour—tested in
accordance with
ASTM E 119 or UL
263 with exposure
from both sides is
required
Less than 5’
Less than 2’
not allowed
Line used to
determine
the fire
separation
1 hour—tested in
accordance with ASTM E 119
or UL 263 with exposure
from both sides is required
Openings not allowed
Less than 3’
Penetrations comply
with R302.4
Definitions
•Fireblocking – Building materials installed to resist the free
passage of flame and gases to other areas of the building through
concealed spaces. Used where the walls and ceilings do not
require a rating.
•Firestopping- the sealing of materials used to seal gaps, holes, or
voids within or between assemblies to regain the initial rating of
the breached assemblies
•F Rating – the amount of time that a firestop system remains
intact and does not permit the spread of fire and hot gases when
tested in accordance with ASTM E 814 or UL 1479
R302.11.1 Fireblocking materials. Except as provided in Section R302.11, Item
4, fireblocking shall consist of the following materials.
1. Two-inch (51 mm) nominal lumber.
2. Two thicknesses of 1-inch (25.4 mm) nominal lumber with broken lap joints.
3. One thickness of 23/32-inch (18.3 mm) wood structural panels with joints
backed by 23/32-inch (18.3 mm) wood structural panels.
4. One thickness of 3/4-inch (19.1 mm) particleboard with joints backed by
3/4-inch (19.1 mm) particleboard.
5. One-half-inch (12.7 mm) gypsum board.
6. One-quarter-inch (6.4 mm) cement-based millboard.
7. Batts or blankets of mineral wool or glass fiber or other approved
materials installed in such a manner as to be securely retained in place.
8. Cellulose insulation installed as tested for the specific application.
R302.11.2 Fireblocking integrity. The integrity of all fireblocks shall be
maintained
R109.1.8 Framing pre-inspection. The framing pre-inspection shall be conducted by a registered
design professional or an ICC certified building inspector. The city approved Residential Framing
Checklist shall be used. The city Residential Frame Checklist will require the signature and
license or registration number of the person performing the inspection. The checklist will be
provided as verification of compliance for all new construction.
ATTIC. The
unfinished
space
between the
ceiling
assembly
of the top
story and
the roof
assembly.
ATTIC, HABITABLE. A finished or unfinished area, not considered a story, complying with all of the
following requirements:
1. The occupiable floor area is at least 70 square feet (17 m2), in accordance with Section R304,
2. The occupiable floor area has a ceiling height in accordance with Section R305, and
3. The occupiable space is enclosed by the roof assembly above, knee walls (if applicable) on the sides
and the floor-ceiling assembly below.
Habitable Attics
Section R310.1 requires that all habitable attics
have an egress window finished or unfinished.
R311.4 Vertical egress. Egress from habitable levels
including habitable attics and basements not provided
with an egress door in accordance with Section R311.2
shall be by a ramp in accordance with Section R311.8 or a
stairway in accordance with Section R311.7.
Prescriptive Ignition Barrier Requirement for Foam Insulation or ICC – Evaluation Report
R316.5.3 Attics. The thermal barrier specified in Section R316.4 is not required where all of
the following apply:
1. Attic access is required by Section R807.1.
2. The space is entered only for purposes of repairs or maintenance.
3. The foam plastic insulation is protected against ignition using one of the following ignition
barrier materials:
(3.1.) 1 1/2-inch-thick (38 mm) mineral fiber insulation;
(3.2.) 1/4-inch-thick (6.4 mm) wood structural panels;
(3.3.) 3/8-inch (9.5 mm) particleboard;
(3.4.) 1/4-inch (6.4 mm) hardboard;
(3.5.) 3/8-inch (9.5 mm) gypsum board; or
(3.6.) Corrosion-resistant steel having a base metal thickness of 0.016 inch (0.406 mm);
(3.7.) 1 1/2-inch-thick (38 mm) cellulose insulation.
R308.4.2 Glazing adjacent doors. Glazing in an individual fixed or operable panel
adjacent to a door where the nearest vertical edge of the glazing is within a 24-inch
(610 mm) arc of either vertical edge of the door in a closed position and where the
bottom exposed edge of the glazing is less than 60 inches (1524 mm) above the floor
or walking surface shall be considered a hazardous location.
Exceptions:
1. Decorative glazing.
2. When there is an intervening wall or other permanent barrier between the door and
the glazing.
3. Glazing in walls on the latch side of and perpendicular to the plane of the door in a
closed position.
4. Where access through the door is to a closet or storage area 3 feet (914 mm) or less
in depth. Glazing in this application shall comply with section R308.4.3.
5. Glazing that is adjacent to the fixed panel of patio doors.
R312.1.1 Where required. Guards shall be located along open-sided walking
surfaces, including stairs, ramps and landings, that are located more than 30 inches
measured vertically to the floor or grade below at any point within 36 inches
horizontally to the edge of the open side. Insect screening shall not be considered
as a guard.
R312.1.2 Height. Required guards at open-sided walking surfaces, including stairs, porches,
balconies or landings, shall be not less than 36 inches (914 mm) high measured vertically
above the adjacent walking surface, adjacent fixed seating or the line connecting the
leading edges of the treads.
R302.5.1 Opening protection. Openings from a private garage
directly into a room used for sleeping purposes shall not be
permitted. Other openings between the garage and residence
shall be equipped with solid wood doors not less than 13/8
inches (35 mm) in thickness, solid or honeycomb- core steel
doors not less than 13/8 inches (35 mm) thick, or 20-minute
fire-rated doors, equipped with a self-closing device.
R105.2 Work exempt from permit. Permits shall not be required for the following.
Exemption from permit requirements of this code shall not be deemed to grant
authorization for any work to be done in any manner in violation of the provisions
of this code or any other laws or ordinances of this jurisdiction.
Building:
1. One-story detached accessory structures used as tool and storage sheds,
playhouses and similar uses, provided the floor area does not exceed 200 square
feet (18.58 m2), does not create a habitable space and contains no plumbing and
is not located within flood hazard areas.
Decks not exceeding 200 square feet (18.58m2) in area, that are not more than 30
inches (762 mm) above grade at any point, are not attached to a dwelling and do
not serve a door or located within a flood hazard area.
R109.1.9 Wallboard inspection. The wallboard inspection for new
construction shall be conducted by a registered design professional
or an ICC certified building inspector for other than new
construction the wallboard inspection may be performed by a
registered design professional or an ICC certified building
inspector. The inspector must verify that wallboard fastened to
walls and ceilings complies with the Residential Code.
Single Header table for
advanced framing