Section 101.1 Title. These regulations shall be
known as the Building Code of the City of Ralston, hereinafter referred
to as "this code."
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Section 105.2 Work exempt from permit. Exemptions
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. Permits shall not be required for the following:
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Building:
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1.
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One-story detached accessory structures used as tool and storage
sheds, playhouses and similar uses, provided that the floor area is
not greater than 200 square feet (18.58 m2).
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2.
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Fences not over 7 feet (2134 mm) high.
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3.
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Oil derricks.
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4.
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Retaining walls that are not over 6 feet (1219 mm) in height
measured from the bottom of the footing to the top of the wall, unless
supporting a surcharge or impounding Class I, II or IIA liquids.
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5.
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Water tanks supported directly upon grade if the capacity is
not greater than 5,000 gallons (18 925 L) and the ratio of height
to diameter or width is not greater than 2:1.
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6.
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Sidewalks and driveways. (Approach requires a curb cut permit).
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7.
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Painting, papering, tiling, carpeting, cabinets, counter tops
and similar finish work.
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8.
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Temporary motion picture, television and theater stage sets
and scenery.
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9.
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Prefabricated swimming pools accessory to a Group R-3 occupancy
that are less than 24 inches (610 mm) deep, are not greater than 5,000
gallons (18 925 L) and are installed entirely above ground. Pools
must conform with the Ralston Plumbing Code and the Ralston Municipal
Code.
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10.
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Shade cloth structures constructed for nursery or agricultural
purposes, not including service systems.
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11.
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Swings and other playground equipment accessory to detached
one-and two-family dwellings.
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12.
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Window awnings in Group R-3 and U occupancies, supported by
an exterior wall that do not project more than 54 inches (1372 mm)
from the exterior wall and do not require additional support.
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13.
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Nonfixed and movable fixtures, cases, racks, counters and partitions
not over 5 feet 9 inches (1753 mm) in height.
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Section 202, Definitions. Add the following definitions:
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ELECTRICAL CODE: The electrical code for this jurisdiction
shall be the State of Nebraska Electrical Division current adopted
edition National Electrical Code (NEC).
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FIRE CODE: The fire code for this jurisdiction shall
be the State of Nebraska Fire Marshal's current adopted edition of
the National Fire Protection Association Code (NFPA).
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FUEL GAS CODE: The fuel gas code for this jurisdiction
shall be the adopted Rules and Regulations by Black Hills Energy.
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ICC ELECTRICAL CODE: Wherever reference is made
to the ICC Electrical Code it shall mean "Electrical Code." See definition
for "Electrical Code."
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INTERNATIONAL ENERGY CODE: Whenever reference is
made to the International Energy Conservation Code, it shall mean
the International Energy Conservation Code as adopted and amended
by this jurisdiction.
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INTERNATIONAL EXISTING BUILDING CODE: Whenever reference
is made to the International Existing Building Code, it shall mean
the International Existing Building Code as adopted and amended by
this jurisdiction.
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INTERNATIONAL FIRE CODE: Whenever reference is made
to the International Fire Code it shall mean "Fire Code." See definition
for "Fire Code."
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INTERNATIONAL FIRE GAS CODE: Wherever reference
is made to the International Fire Gas Code it shall mean NFPA 54,
as adopted in Chapter 40 of the Omaha Municipal Code. See definition
for "Fuel Gas Code."
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INTERNATIONAL MECHANICAL CODE: Wherever reference
is made to the International Mechanical Code it shall mean "Mechanical
Code." See definition for "Mechanical Code."
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INTERNATIONAL PLUMBING CODE: Wherever reference
is made to the International Plumbing Code it shall mean "Plumbing
Code." See definition for "Plumbing Code."
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INTERNATIONAL PROPERTY MAINTENANCE CODE: Wherever
reference is made to the International Property Maintenance Code it
shall mean "Property Maintenance Code." See definition for "Property
Maintenance Code."
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MECHANICAL CODE: The mechanical code for this jurisdiction shall be the current edition of the International Mechanical Code as adopted by Chapter 9 of the Ralston Municipal Code.
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PLUMBING CODE: The plumbing code for this jurisdiction shall be the current edition of the Ralston Plumbing Code as adopted by Chapter 9 of the Ralston Municipal Code.
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PROPERTY MAINTENANCE CODE: The property maintenance code for this jurisdiction shall be the current edition of the International Property Maintenance Code as adopted by Chapter 9 of the Ralston Municipal Code.
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PUZZLE ROOM: A type of special amusement area in
which occupants are encouraged to solve a challenge to escape from
a room or series of rooms.
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Section 303.4 Assembly Group A-3:
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Add Puzzle Room to the list.
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Section 411.1 General. Revise the first sentence
to read as follows:
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Special amusement buildings having an occupant load
of 50 or more, and puzzle rooms of any size shall comply with the
requirements for the appropriate Group A occupancy and Sections 411.1
through 411.17.
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Section 423, Storm shelters.
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Section 423.2 Construction. Add the following exceptions:
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1.
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Peer review is not required for storm shelters.
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2.
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Sanitation facilities shall be required only in Group E and
Group I-4 occupancies and the critical emergency operations listed
in Section 423.3.
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3.
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Sanitation facilities support systems shall be required only
in the critical emergency operations listed in section 423.3.
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Section 423.4 Group E Occupancies. Revise section
and subsections to read as follows:
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Section 423.4 Occupancies. Storm shelters shall
be provided for Group E, Group I-1, Group I-4, Group R-2, Group R-4
and mobile home residential uses.
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Exceptions:
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1.
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Buildings meeting the requirements for shelter design in ICC
500.
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2.
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In-home daycare services, provided that the home has a below
grade basement readily available to provide shelter from a storm.
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Section 423.4.1 Required occupant capacity. The
required occupant capacity of the storm shelter shall include all
of the buildings on the site and shall be the greater of the following:
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1.
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The total occupant load of the classrooms, vocational rooms
and offices in the Group E occupancy.
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2.
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The occupant load of any indoor assembly space that is associated
with the Group E occupancy.
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3.
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For residential uses types, the storm shelter size shall be
computed for each unit as follows:
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Efficiency and one-bedroom
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10 sq. ft.
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Two-bedroom
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15 sq. ft.
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Three-bedroom
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20 sq. ft.
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Four-bedroom
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25 sq. ft.
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Exceptions:
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1.
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Where a new building is being added on an existing site, and
where the new building is not sufficient size to accommodate the required
occupant capacity of the storm shelter for all of the buildings on
the site, the storm shelter shall at a minimum accommodate the required
occupancy for the new building.
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2.
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Where approved by the code official, the required occupant capacity
of the shelter shall be permitted to be reduced by the occupant capacity
of any existing storm shelters on the site.
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Section 423.4.2 Location. Storm shelters shall
be located within the buildings they serve or shall be located where
the maximum distance of travel from not fewer than one exterior door
of each building to a door of the shelter serving that building does
not exceed 1,000 feet (305m). Detached storm shelters shall be located
on the same parcel as the buildings they serve.
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Section 503.14.4 Occupied roofs. Add the following
sentence:
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All such structures intended for human occupancy
shall have guard rails that comply with Section 1015 regardless of
their height above the plane of the roof.
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Add Exception No. 3: Private roof top decks less
than 735 square feet that are accessed from within an individual dwelling
or sleeping unit and are intended and designed for the sole use of
the owner or tenant.
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Add the following to Table 509 Incidental Uses.
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ROOM OR AREA
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SEPARATION AND/OR PROTECTION
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Storage rooms over 100 square feet
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1 hour or provide automatic fire-extinguishing system
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Section 1014.7 Clearance. Revise 1-1/2 inches (38
mm) to be 2-1/4 inches (57 mm).
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Section 1208, Access to Unoccupied Spaces. Add
a new subsection to read as follows:
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Section 1208.4, Service and Maintenance. Unless
otherwise required by this code, access to normally unoccupied spaces
for the purposes of building or equipment service or maintenance is
permitted to be fixed ladder or alternating tread device.
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Section 1502 Roof Drainage. Add a new subsection
as follows:
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Section 1502.5, Rain Water. When roofs are sloped
to drain over the edge, scuppers or gutters and downspouts, adequately
sized, pitched and supported, shall installed to conduct rain water
to ground level. Rain water shall be discharged at least three feet
away from the building foundation in a direction parallel to the adjoining
property line when the discharge point is within 20 feet of the adjoining
property line.
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Table 1507.2.8.2, Valley Lining Material. In the Gage column,
for Galvanized steel, delete the number 26 and replace it with 28.
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Section 1511.3.1.1 Exceptions. Revise no. 2 as
follows:
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2.
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Where the existing covering is slate, clay, cement, asbestos-cement
tile, or asphalt shingles.
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Section 1607 Live Loads. Add a new subsection to
read as follows:
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Section 1607.13.6 Top level or parking garages.
Where top levels of parking garages are exposed to snow loading, the
structural design of the top-level structural elements shall be based
upon a specific snow storage or removal plan. The snow removal plan
shall be included in the construction documents that are submitted
for building permits, and shall include provisions for snow removal,
temporary storage in specific areas, maximum snow heights and other
parameters to clearly indicate to the building official and building
owner the necessary means of snow removal.
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Section 1607.9 Vehicle Barriers. Add the following
sentence to footnote "a" to read as follows:
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Access to floors designed for passenger cars only
shall be restricted by an appropriate overhead barrier located not
more than 7'-6" above the floor at the point of entry.
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Section 1607.13.2.1 Ordinary Roofs, awnings and canopies.
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Delete (Equation 16-26) in its entirety and replace
it with Lr = 25 psf
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Table 1610.1 Soil Lateral Load. Change the values
for Active pressure and At-rest pressure to read as follows:
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DESCRIPTION OF BACKFILL MATERIAL
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UNIFIED SOIL CLASSIFICATION
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DESIGN LATERAL SOIL LOAD
(pounds per square foot per foot of depth)
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Active pressure
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At-rest pressure
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Well-graded, clean gravels; gravel-sand mixes
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GW
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30
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60
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Poorly graded clean gravels; gravel-sand mixes
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GP
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30
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60
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Silty gravels, poorly graded gravel-sand mixes
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GM
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45
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60
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Clayey gravels, poorly graded gravel-and-clay mixes
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GC
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45
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60
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Well-graded, clean sands; gravelly sand mixes
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SW
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30
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60
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Poorly graded clean sands; sand-gravel mixes
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SP
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30
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60
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Silty sands, poorly graded sand-silt mixes
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SM
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45
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60
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Sand-silt clay mix with plastic fines
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SM-SC
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45
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60
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Clayey sands, poorly graded sand-clay mixes
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SC
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45
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60
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Inorganic silts and clayey silts
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ML
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45
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60
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Mixture of inorganic silt and clay
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ML-CL
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45
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60
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Inorganic clays of low to medium plasticity
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CL
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45
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60
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Organic silts and silt clays, low plasticity
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OL
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Note b
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Note b
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Inorganic clayey silts, elastic silts
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MH
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Note b
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Note b
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Inorganic clays of High plasticity
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CH
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Note b
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Note b
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Organic clays and silty clays
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OH
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Note b
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Note b
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Section 1704.2: Special inspections and tests. Add
first paragraph to read as follows:
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Testing and special inspection shall be performed
in accordance with the approved drawings and specifications, the approved
Statement of Special Inspections, and the building code. The Special
Inspection and Testing Services do not supersede or replace the inspections
performed by the Authority Having Jurisdiction (AHJ) nor other observations
required by the building code. Contractor shall coordinate work to
be performed with the AHJ and the special inspector and testing agencies.
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Section 1704.2.1: Special Inspector Qualifications. Add paragraphs to read as follows:
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Qualification for special inspectors and testing
technicians for any material or work performed shall meet the respective
qualification(s) listed below, or as otherwise approved by the building
official. Multiple qualifications and/or personnel may be required.
Personnel may alternatively quality by holding a current Registered
Civil or Structural Engineer License and having at least three years'
relevant and verifiable experience. No matter how the qualification
is met, the Prime Special Inspection and Testing agency for the project
shall submit to the building official documentation confirming the
qualifications have been met for each applicable individual performing
special inspection and/or testing for structural steel and steel construction
other than structural steel (e.g., metal deck) shall be in accordance
with Chapter N of ANSI/AISC 360-10:
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Specification for Structural Steel Buildings. Alternatively,
for welding special inspections and testing, personnel may be qualified
as an ICC Structural Welding Special Inspector or for bolting special
inspections and testing, personnel may be qualified as ICC Structural
Steel and Bolting Special Inspector.
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Qualifications for personnel performing special
inspections and testing for structural concrete shall be in accordance
with ACI 311.7-14: Inspection Services Specifications for Cast-in-Place
Concrete Construction. An ICC Reinforced Concrete Special Inspector
must also carry the applicable ACI Concrete Inspector or Technician
qualification.
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For masonry construction special inspections and
testing, personnel shall be qualified as an ICC Structural Masonry
Special Inspector.
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For construction on soils and/or deep foundations
special inspections and testing, personnel shall be qualified as an
ICC Soils Special Inspector.
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For fire protection construction special inspections
and testing, personnel shall be qualified as an ICC Spray Applied
Fire Proofing Special Inspector.
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For Exterior Insulation & Finish Systems (EIFS)
constructions special inspections and testing, personnel shall be
qualified as an Association of Wall and Ceiling Industry (AECI) Certified
EIFS Inspector.
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For nonstructural components special inspections
and testing, personnel shall be qualified as any type of ICC Special
Inspector.
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Section 1704.2.5.1 Fabricator approval. Add a second
paragraph to read as follows:
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The following are considered approved fabricators:
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Steel fabricators holding an appropriate certificate
from the American Institute of Steel Construction,
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Steel Joist Manufactures holding membership in the
Steel Joist Institute,
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Precast/Prestressed Concrete suppliers holding membership
in the Prestressed Concrete Institute (PCI) together with plant certification
in the appropriate products group and categories in the PCI Plant
Certification Program.
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The steel fabricator is required to be a current
AISC-Certified Fabricator.
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The steel erector is required to be a current AISC-Certified
Erector.
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The precast erector is required to be a current
PCI-Certified Erector.
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Section 1803.5.3 Expansive soil. Add a new subsection
to read as follows:
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Section 1803.5.3.1 Collapsible soils. Portions of
the Omaha Metropolitan Area are underlain by low-unit weight soils
that can collapse when saturated. Additional studies shall be made
to evaluate the presence and extent of collapse-susceptible soils
and to assess the effects of any collapsible soils identified at the
site on the performance of the structure.
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Section 1808.1 General. Add the following to the
end of this section:
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Footings shall be constructed of concrete.
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Section 1809.5 Frost Protection. Delete this section
and the exceptions in their entirety and replace them with:
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Except where erected on solid rock or otherwise
protected from frost, foundation walls, piers, and other permanent
supports of buildings and structures larger than 750 square feet in
area or 10 feet in height shall extend below the established frost
line. The established frost line shall be 42 inches below the exterior
grade.
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1.
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The bottom surface of footings for unattached garages and unattached
storage buildings of wood or metal not more than 750 square feet in
area shall not be less than 1 foot below grade.
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2.
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The bottom surface of foundations that bear on rock surfaces
is not required to be below the established frost line provided the
rock does not have seams or cracks or contain disintegrated material
that could serve as reservoirs for water which could be subject to
freezing.
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3.
|
The support of buildings by posts embedded in the earth shall
be designed as specified in Section 1808. Wood posts or poles embedded
in soil or concrete shall be pressure treated with an approved preservative.
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Section 1809.9 Masonry-unit footings. Revise to
read: Masonry-unit footings are not allowed.
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Section 1809.12 Timber footings. Revise to read:
Timber footings are not allowed.
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Section 1810.3.13 Seismic Ties. Revise the second
sentence to read as follows:
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Unless it can be demonstrated that equivalent restraint
is provided by reinforced concrete beams with slabs on grade or reinforced
concrete slabs on grade, or laterally loaded piles or drilled shafts
in competent soil, or confinement by competent rock, hard cohesive
soil or very dense granular soils, ties shall be capable of carrying,
in tension or compression, a force equal to the lesser of the product
of the larger pile cap or column design gravity load times the seismic
coefficient, SDS divided by 10, and 25 percent
of the smaller pile or column design gravity load.
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Section 2303.3.1.1 Truss design drawings. Add no.
15 to read as follows:
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15.
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The seal of a professional engineer licensed in the state of
Nebraska.
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Chapter 29, Plumbing Systems. Delete this chapter in its entirety and change to read as follows: Plumbing systems shall be installed in accordance with the current edition of the Ralston Plumbing Code as adopted by Chapter 9 of the Ralston Municipal Code.
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Section 3109.1, General. Change to read as follows: Swimming pools shall comply with the current edition of the International Swimming Pool and Spa Code as adopted by Chapter 9 of the Ralston Municipal Code.
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Specifically, not adopted are Appendix Chapters A, B, D, F,
G, H, I, J, K, L, and M of the International Building Code, 108 editions.
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