International Building Code Section 1705


International Building Code 1705.1

General. Where special inspection or testing is
required by Section 1704, 1707 or 1708, the registered design
professional in responsible charge shall prepare a statement of
special inspections in accordance with Section 1705 for
submittal by the permit applicant (see Section 1704.1.1).

International Building Code 1705.2

Content of statement of special inspections. The
statement of special inspections shall identify the following:
1. The materials, systems, components and work required
to have special inspection or testing by the building official
or by the registered design professional responsible
for each portion of the work.
2. The type and extent of each special inspection.
3. The type and extent of each test.
336 2006 INTERNATIONAL BUILDING CODE
STRUCTURAL TESTS AND SPECIAL INSPECTIONS
4. Additional requirements for special inspection or testing
for seismic or wind resistance as specified in Section
1705.3, 1705.4, 1707 or 1708.
5. For each type of special inspection, identification as to
whether it will be continuous special inspection or periodic
special inspection.

International Building Code 1705.3

Seismic resistance. The statement of special inspections
shall include seismic requirements for the following
cases:
1. The seismic-force-resisting systems in structures
assigned to Seismic Design Category C, D, E or F in
accordance with Section 1613.
2. Designated seismic systems in structures assigned to
Seismic Design Category D, E or F.
3. The following additional systems and components in
structures assigned to Seismic Design Category C:
3.1. Heating, ventilating and air-conditioning
(HVAC) ductwork containing hazardous materials
and anchorage of such ductwork.
3.2. Piping systems and mechanical units containing
flammable, combustible or highly toxic materials.
3.3. Anchorage of electrical equipment used for
emergency or standby power systems.
4. The following additional systems and components in
structures assigned to Seismic Design Category D:
4.1. Systems required for Seismic Design Category
C.
4.2. Exterior wall panels and their anchorage.
4.3. Suspended ceiling systems and their anchorage.
4.4. Access floors and their anchorage.
4.5. Steel storage racks and their anchorage, where
the importance factor is equal to 1.5 in accordance
with Section 15.5.3 of ASCE 7.
5. The following additional systems and components in
structures assigned to Seismic Design Category E or F:
5.1. Systems required for Seismic Design Categories
C and D.
5.2. Electrical equipment.
Exception: Seismic requirements are permitted to be
excluded from the statement of special inspections for structures
designed and constructed in accordance with the following:
1. The structure consists of light-frame construction; the
design spectral response acceleration at short periods,
SDS, as determined in Section 1613.5.4, does not
exceed 0.5g; and the height of the structure does not
exceed 35 feet (10 668 mm) above grade plane; or
2. The structure is constructed using a reinforced
masonry structural system or reinforced concrete
structural system; the design spectral response acceleration
at short periods, SDS, as determined in Section
1613.5.4, does not exceed 0.5g; and the height of the
structure does not exceed 25 feet (7620 mm) above
grade plane; or
3. Detached one- or two-family dwellings not exceeding
two stories in height, provided the structure does not
have any of the following plan or vertical irregularities
in accordance with Section 12.3.2 of ASCE 7:
3.1. Torsional irregularity.
3.2. Nonparallel systems.
3.3. Stiffness irregularity#extreme soft story and
soft story.
3.4. Discontinuity in capacity#weak story.

Seismic requirements in the statement of special
inspections. When Section 1705.3 specifies that seismic
requirements be included, the statement of special
inspections shall identify the following:
1. The designated seismic systems and seismic-
force-resisting systems that are subject to special
inspections in accordance with Section 1705.3.
2. The additional special inspections and testing to be
provided as required by Sections 1707 and 1708 and
other applicable sections of this code, including the
applicable standards referenced by this code.

International Building Code 1705.3.1

Seismic requirements in the statement of special
inspections. When Section 1705.3 specifies that seismic
requirements be included, the statement of special
inspections shall identify the following:
1. The designated seismic systems and seismic-
force-resisting systems that are subject to special
inspections in accordance with Section 1705.3.
2. The additional special inspections and testing to be
provided as required by Sections 1707 and 1708 and
other applicable sections of this code, including the
applicable standards referenced by this code.

International Building Code 1705.4

Wind resistance. The statement of special inspections
shall include wind requirements for structures constructed in
the following areas:
1. In wind Exposure Category B, where the 3-second-gust
basic wind speed is 120 miles per hour (mph) (52.8 m/s)
or greater.
2. In wind Exposure Category C or D, where the 3-second-
gust basic wind speed is 110 mph (49 m/s) or
greater.

Wind requirements in the statement of special
inspections. When Section 1705.4 specifies that wind
requirements be included, the statement of special inspections
shall identify the main windforce-resisting systems
and wind-resisting components subject to special inspections
as specified in Section 1705.4.2.

Detailed requirements. The statement of special
inspections shall include at least the following systems and
components:
1. Roof cladding and roof framing connections.
2. Wall connections to roof and floor diaphragms and
framing.
3. Roof and floor diaphragm systems, including collectors,
drag struts and boundary elements.
4. Vertical windforce-resisting systems, including
braced frames, moment frames and shear walls.
5. Windforce-resisting system connections to the foundation.
2006 INTERNATIONAL BUILDING CODE 337
STRUCTURAL TESTS AND SPECIAL INSPECTIONS
6. Fabrication and installation of systems or components
required to meet the impact-resistance requirements
of Section 1609.1.2.
Exception: Fabrication of manufactured systems or
components that have a label indicating compliance with
the wind-load and impact-resistance requirements of this
code.

International Building Code 1705.4.1

Wind requirements in the statement of special
inspections. When Section 1705.4 specifies that wind
requirements be included, the statement of special inspections
shall identify the main windforce-resisting systems
and wind-resisting components subject to special inspections
as specified in Section 1705.4.2.

International Building Code 1705.4.2

Detailed requirements. The statement of special
inspections shall include at least the following systems and
components:
1. Roof cladding and roof framing connections.
2. Wall connections to roof and floor diaphragms and
framing.
3. Roof and floor diaphragm systems, including collectors,
drag struts and boundary elements.
4. Vertical windforce-resisting systems, including
braced frames, moment frames and shear walls.
5. Windforce-resisting system connections to the foundation.
2006 INTERNATIONAL BUILDING CODE 337
STRUCTURAL TESTS AND SPECIAL INSPECTIONS
6. Fabrication and installation of systems or components
required to meet the impact-resistance requirements
of Section 1609.1.2.
Exception: Fabrication of manufactured systems or
components that have a label indicating compliance with
the wind-load and impact-resistance requirements of this
code.