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for wind resistance specified in Sections 1705.11.1
, unless exempted by the exceptions to Section 1704.2
, are required for buildings and structures constructed in the following areas:
1. In wind Exposure Category B, where Vasd
as determined in accordance with Section 1609.3.1
is 120 miles per hour (52.8 m/sec) or greater.
2. In wind Exposure Category C or D, where Vasd
as determined in accordance with Section 1609.3.1
mph (49 m/sec) or greater.
Continuous special inspection
is required during field gluing operations of elements of the main windforce-resisting system
. Periodic special inspection
is required for nailing, bolting, anchoring and other fastening of elements of the main windforce-resisting system
, including wood shear walls
, wood diaphragms
, drag struts
, braces and hold-downs. Exception: Special inspections
are not required for wood shear walls
, shear panels
, including nailing, bolting, anchoring and other fastening to other elements of the main windforce-resisting system
, where the fastener spacing of the sheathing is more than 4 inches (102 mm) on center.
Periodic special inspection
is required for welding operations of elements of the main windforce-resisting system
. Periodic special inspection
is required for screw attachment, bolting, anchoring and other fastening of elements of the main windforce-resisting system
, including shear walls
, braces, diaphragms
) and hold-downs. Exception: Special inspections
are not required for cold-formed steel light-frame shear walls
, including screwing, bolting, anchoring and other fastening to components of the windforce resisting system, where either of the following applies:
1. The sheathing is gypsum board
2. The sheathing is wood structural panel
or steel sheets on only one side of the shear wall
, shear panel
assembly and the fastener spacing of the sheathing is more than 4 inches (102 mm) on center (o.c.).
Periodic special inspection
is required for fastening of the following systems and components:
1. Roof covering
, roof deck
and roof framing connections.
2. Exterior wall covering
and wall connections to roof and floor diaphragms
Related Code Sections
Special inspections for wind resistance specified in Sections 1705.11.1 through 1705.11.3, unless exempted by the exceptions to Section 1704.2 ...
Where Section 1705.11 specifies special inspection for wind resistance, the statement of special inspections shall identify the main windforce-resisting systems and wind-resisting components that are subject to special inspections ...
shop, special inspections of the fabricated items shall be performed during fabrication. Exceptions: 1. Special inspections during fabrication are not required where the fabricator maintains approved detailed fabrication and quality control procedures that provide a basis for control of the workmanship and the fabricator's ability to conform to approved construction documents and this code. Approval shall be based upon review of fabrication and quality control procedures and periodic inspection of fabrication practices by the building official. 2. Special inspections are not required where the fabricator is registered and approved in accordance with Section 1704.2.5.1. Approved agencies shall keep records of special inspections and tests. The approved agency shall submit reports of special inspections and tests to the building official and to the registered design professional in responsible charge . Reports shall indicate that work inspected or tested was or was not completed in conformance to approved construction documents . Discrepancies shall be brought to the immediate attention of the contractor for correction. If they are not corrected, the discrepancies shall be brought to the attention of the building official and to the registered design professional in responsible charge prior to the completion of that phase of the work. A final report documenting required special inspections and tests, and correction of any discrepancies noted in the inspections or tests, shall be submitted at a point in time agreed upon prior to the start of work by the owner or the owner's authorized agent to the building official . Each contractor responsible for the construction of a main wind- or seismic forceresisting system, designated seismic system or a wind- or seismic force-resisting component ...
force-resisting component listed in the statement of special inspections shall submit a written statement of responsibility to the building official ...
INSPECTION REFERENCED STANDARD a IBC REFERENCE 1. Inspect reinforcement, including prestressing tendons, and verify placement. ‒ X ACI 318 Ch. 20, 25.2, 25.3, 26.6.1-26.6.3 1908.4 2. Reinforcing bar welding: a. Verify weldability of reinforcing bars other than ASTM A706; b. Inspect single-pass fillet welds, maximum 5 / 16 ″; and c. Inspect all other welds. ‒ X X X AWS D1.4 ACI 318: 26.6.4 ‒ 3. Inspect anchors cast in concrete. ‒ X ACI 318: 17.8.2 ‒ 4. Inspect anchors post-installed in hardened concrete members. b a. Adhesive anchors installed in horizontally or upwardly inclined orientations to resist sustained tension loads. b. Mechanical anchors and adhesive anchors not defined in 4.a. X X ACI 318: 188.8.131.52 ACI 318: 17.8.2 ‒ 5. Verify use of required design mix. ‒ X ACI 318: Ch. 19, 26.4.3, 26.4.4 1904.1, 1904.2, 1908.2, 1908.3 6. Prior to concrete placement, fabricate speci- mens for strength tests, perform slump and air content tests, and determine the temperature of the concrete. X ‒ ASTM C172 ASTM C31 ACI 318: 26.4, 26.12 1908.10 7. Inspect concrete and shotcrete placement for proper application techniques. X ‒ ACI 318: 26.5 1908.6, 1908.7, 1908.8 8. Verify maintenance of specified curing tem- perature and techniques. ‒ X ACI 318: 26.5.3-26.5.5 1908.9 9. Inspect prestressed concrete for: a. Application of prestressing forces; and b. Grouting of bonded prestressing tendons. X X ‒ ‒ ACI 318: 26.10 ‒ 10. Inspect erection of precast concrete members. ‒ X ACI 318: Ch. 26.8 ‒ 11. Verify in-situ concrete strength, prior to stress- ing of tendons in post-tensioned concrete and prior to removal of shores and forms from beams and structural slabs. ‒ X ACI 318: 26.11.2 ‒ 12. Inspect formwork for shape, location and dimensions of the concrete member being formed. ‒ X ACI 318: 184.108.40.206(b) ‒ For SI: 1 inch = 25.4 mm. a. Where applicable, see also Section 1705.12, Special inspections for seismic resistance. b. Specific requirements for special inspection shall be included in the research report for the anchor issued by an approved source in accordance with 17.8.2 in ACI 318, or other qualification procedures. Where specific requirements are not provided, special inspection requirements shall be specified by the registered design professional and shall be approved by the building official prior to the commencement of the work. Inspections of penetration firestop systems that are tested and listed in accordance with Sections 7220.127.116.11 and 714.4.2 shall be conducted by an approved agency in accordance with ASTM E2174. Inspection of fire-resistant joint systems that are tested and listed in accordance with Sections 715.3 and 715.4 shall be conducted by an approved agency in accordance with ASTM E2393. The test scope shall be as follows: 1. During erection of ductwork and prior to concealment for the purposes of leakage testing and recording of device location. 2. Prior to occupancy and after sufficient completion for the purposes of pressure difference testing, flow measurements and detection and control verification. Approved agencies for smoke control testing shall have expertise in fire protection engineering, mechanical engineering and certification as air balancers. Special inspections shall be required for all EIFS applications. Exceptions: 1. Special inspections shall not be required for EIFS applications installed over a water-resistive barrier with a means of draining moisture to the exterior. 2. Special inspections shall not be required for EIFS applications installed over masonry or concrete walls. At joists and trusses, thickness measurements shall be made at seven locations around the joist or truss at each end of a 12-inch (305 mm) length. Special inspections and tests of elements and nonstructural components of buildings and structures shall meet the applicable requirements of this section. At wideflanged columns, thickness measurements shall be made at 12 locations around the column at each end of a 12-inch (305 mm) length. At hollow structural section and pipe columns, thickness measurements shall be made at a minimum of four locations around the column at each end of a 12-inch (305 mm) length. The thickness of the sprayed fire-resistant material applied to structural members shall be determined in accordance with ASTM E605. Thickness testing shall be performed on not less than 25 percent of the structural members on each floor. At beams and girders thickness measurements shall be made at nine locations around the beam or girder at each end of a 12-inch (305 mm) length. The test samples for determining the cohesive/adhesive bond strength of the sprayed fire-resistant materials shall be selected from each floor, roof and wall assembly at the rate of not less than one sample for every 2,500 square feet (232 m 2 ) of the sprayed area, or portion thereof, in each story . The test samples for determining the cohesive/adhesive bond strength of the sprayed fire-resistant materials shall be selected from beams, girders, trusses, columns and other structural members at the rate of not less than one sample for each type of structural member for each 2,500 square feet (232 m 2 ) of floor area or portion thereof in each story . Bond tests to qualify a primer, paint or encapsulant shall be conducted when the sprayed fireresistant material is applied to a primed, painted or encapsulated surface for which acceptable bondstrength performance between these coatings and the fire-resistant material has not been determined. A bonding agent approved by the SFRM manufacturer shall be applied to a primed, painted or encapsulated surface where the bond strengths are found to be less than required values. Special inspections and tests shall be required for proposed work that is, in the opinion of the building official, unusual in its nature, such as, but not limited to, the following examples: 1. Construction materials and systems that are alternatives to materials and systems prescribed by this code. 2. Unusual design applications of materials described in this code. 3. Materials and systems required to be installed in accordance with additional manufacturer's instructions that prescribe requirements not contained in this code or in standards referenced by this code. Special inspections of fabricated items shall be performed in accordance with Section 1704.2.5. Special inspections for wind resistance ...