The provisions of Section 1705 of IBC are adopted by reference with the following modifications:
1. Revise Section 1705.1.1 to read:
"1705.1.1 Special cases.
Special inspections and tests may be required by the building official or registered design professional for proposed work that is, in the opinion of the building official or registered design professional, unusual in its nature, such as, but not limited to, the following examples:
1. Construction materials and systems that are approved as 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."
2. Revise Section 1705.2 and its exception to read:
"1705.2 Steel construction.
The special inspections and nondestructive testing of steel construction shall be in accordance with this section.
Exception: Special inspections of the steel fabrication process shall not be required where the fabrication process for the entire building or structure does not include any welding, thermal cutting or heating operation of any kind. In such cases, the fabricator shall be required to maintain records so that, at any time during the fabrication process, the material specification and grade for the main stress-carrying elements are capable of being determined."
3. Revise Section 1705.2.1 by deleting "in buildings, structures and portions thereof."
4. Revise Section 1705.2.3 by deleting "in buildings, structures and portions thereof."
5. Revise Section 1705.2.4 by deleting "approved."
6. Revise the exception to Section 1705.3, items 1 and 2, to read:
"1. Isolated spread concrete footings of buildings four stories or less above grade plane that are fully supported on earth or rock.
2. Continuous concrete footings supporting walls of buildings four stories or less above grade plane that are fully supported on earth or rock where:
2.1. The footings support walls of light-frame construction.
2.2. The footings are designed in accordance with Table 1809.7.
2.3. The structural design of the footing is based on a specified compressive strength, f 'c, not more than 2,500 pounds per square inch (psi) (17.2 MPa), regardless of the compressive strength specified in the permitted construction documents or used in the footing construction."
7. Revise the exception to Section 1705.4, item 1, by deleting "where they are part of a structure classified as Risk Category I, II or III."
8. Delete Section 1705.4.1.
9. Revise Section 1705.5.1 by replace both instances of "approved" with "permitted."
10. [Reserved.]
11. Revise Section 1705.6, excluding the exception, to read:
"1705.6 Soils.
Special inspections and tests of existing site soil conditions, fill placement and load-bearing requirements shall be performed in accordance with this section and Table 1705.6. The geotechnical report prepared by the registered geotechnical engineer and the permitted construction documents shall be used to determine compliance. During fill placement, the special inspector shall verify that proper materials and procedures are used in accordance with the provisions of the geotechnical report."
12. Revise the second sentence of Section 1705.7 to read:
"The geotechnical report prepared by the registered geotechnical engineer and the permitted construction documents shall be used to determine compliance."
13. Revise the second sentence of Section 1705.8 to read:
"The geotechnical report prepared by the registered geotechnical engineer and the permitted construction documents shall be used to determine compliance."
14. Revise Section the second sentence of 1705.9 to read:
"The geotechnical report prepared by the registered geotechnical engineer and the permitted construction documents shall be used to determine compliance."
15. Delete Section 1705.11 and its subsections.
16. Revise Section 1705.12 and its subsections to read:
"1705.12 Special inspections for seismic resistance for Risk Category IV buildings.
Special inspections for seismic resistance for Risk Category IV buildings shall be required as specified in Sections 1705.12.1 through 1705.12.9, unless exempted by the exceptions of Section 1704.2.
Exception: The special inspections specified in Sections 1705.12.1 through 1705.12.9 are not required for structures designed and constructed in accordance with one of the following:
1. The structure consists of light-frame construction; and the building height of the structure does not exceed 35 feet (10 668 mm).
2. The seismic force-resisting system of the structure consists of reinforced masonry or reinforced concrete and the building height of the structure does not exceed 25 feet (7620 mm).
1705.12.1 Structural steel.
Special inspections for seismic resistance shall be in accordance with Section 1705.12.1.1 or 1705.12.1.2, as applicable.
1705.12.1.1 Seismic force-resisting systems.
Special inspections of structural steel in the seismic force-resisting systems in buildings and structures assigned to Seismic Design Category C, D, E or F shall be performed in accordance with the quality assurance requirements of AISC 341.
Exceptions:
1. In buildings and structures assigned to Seismic Design Category C, special inspections are not required for structural steel seismic force-resisting systems where the response modification coefficient, R, designated for "Steel systems not specifically detailed for seismic resistance, excluding cantilever column systems" in ASCE 7, Table 12.2-1, has been used for design and detailing.
2. In structures assigned to Seismic Design Category D, special inspections are not required for structural steel seismic force-resisting systems where design and detailing in accordance with AISC 360 is permitted by ASCE 7, Table 15.4-1.
1705.12.1.2 Structural steel elements.
Special inspections of structural steel elements in the seismic force-resisting systems of buildings and structures assigned to Seismic Design Category C or D other than those covered in Section 1705.12.1.1, including struts, collectors, chords and foundation elements, shall be performed in accordance with the quality assurance requirements of AISC 341.
Exceptions:
1. In buildings and structures assigned to Seismic Design Category C, special inspections of structural steel elements are not required for seismic force-resisting systems with a response modification coefficient, R, of 3 or less.
2. In structures assigned to Seismic Design Category D, special inspections of structural steel elements are not required for seismic force-resisting systems where design and detailing other than AISC 341 is permitted by ASCE 7, Table 15.4-1. Special inspection shall be in accordance with the applicable referenced standard listed in ASCE 7, Table 15.4-1.
1705.12.2 Structural wood.
For structural wood elements in the seismic force-resisting systems of structures assigned to Seismic Design Category C or D:
1. Continuous special inspection shall be required during field gluing operations of elements of the seismic force-resisting system.
2. Periodic special inspection shall be required for nailing, bolting, anchoring and other fastening of elements of the seismic force-resisting system, including wood shear walls, wood diaphragms, drag struts, braces, shear panels and hold-downs.
Exception: Special inspections are not required for wood shear walls, shear panels and diaphragms, including nailing, bolting, anchoring and other fastening to other elements of the seismic force- resisting system, where the fastener spacing of the sheathing is more than 4 inches (102 mm) on center.
1705.12.3 Cold-formed steel light-frame construction.
For the seismic force-resisting systems of structures assigned to Seismic Design Category C or D, periodic special inspection shall be required for both:
1. Welding operations of elements of the seismic force-resisting system.
2. Screw attachment, bolting, anchoring and other fastening of elements of the seismic force- resisting system, including shear walls, braces, diaphragms, collectors (drag struts) and hold- downs.
Exception: Special inspections are not required for cold-formed steel light-frame shear walls and diaphragms, including screw installation, bolting, anchoring and other fastening to components of the seismic force-resisting system, where either of the following applies:
1. The sheathing is gypsum board or fiberboard.
2. The sheathing is wood structural panel or steel sheets on only one side of the shear wall, shear panel or diaphragm assembly and the fastener spacing of the sheathing is more than 4 inches (102 mm) on center.
1705.12.4 Designated seismic systems.
For structures assigned to Seismic Design Category C or D, the special inspector shall examine designated seismic systems requiring seismic qualification in accordance with Section 13.2.2 of ASCE 7 and verify that the label, anchorage and mounting conform to the certificate of compliance.
1705.12.5 Architectural components.
Periodic special inspection is required for the erection and fastening of exterior cladding, interior and exterior nonbearing walls and interior and exterior veneer in structures assigned to Seismic Design Category D.
Exception: Periodic special inspection is not required for the following:
1. Exterior cladding, interior and exterior nonbearing walls and interior and exterior veneer 30 feet (9144 mm) or less in height above grade or walking surface.
2. Exterior cladding and interior and exterior veneer weighing 5 psf (24.5 N/
m2) or less.
3. Interior nonbearing walls weighing 15 psf (73.5 N/
m2) or less.
1705.12.5.1 Access floors.
Periodic special inspection is required for the anchorage of access floors in structures assigned to Seismic Design Category D.
1705.12.6 Plumbing, mechanical and electrical components.
Periodic special inspection of plumbing, mechanical and electrical components shall be required for the following:
1. Anchorage of electrical equipment for emergency power systems and standby power systems in structures assigned to Seismic Design Category C or D.
2. [Reserved.]
3. Installation and anchorage of piping systems designed to carry hazardous materials and their associated mechanical units in structures assigned to Seismic Design Category C or D.
4. Installation and anchorage of ductwork designed to carry hazardous materials in structures assigned to Seismic Design Category C or D.
5. Installation and anchorage of vibration isolation systems in structures assigned to Seismic Design Category C or D where the permitted construction documents require a nominal clearance of 1/4 inch (6.4 mm) or less between the equipment support frame and restraint.
6. Installation of mechanical and electrical equipment, including duct work, piping systems and their structural supports, where automatic sprinkler systems are installed in structures assigned to Seismic Design Category C or D to verify one of the following:
6.1. Minimum clearances have been provided as required by Section 13.2.3 ASCE/SEI 7.
6.2. A nominal clearance of not less than 3 inches (76 mm) has been be provided between fire protection sprinkler system drops and sprigs and: structural members not used collectively or independently to support the sprinklers; equipment attached to the building structure; and other systems’ piping.
Where flexible sprinkler hose fittings are used, special inspection of minimum clearances is not required.
1705.12.7 Storage racks.
Periodic special inspection is required for the anchorage of storage racks that are 8 feet (2438 mm) or greater in height in structures assigned to Seismic Design Category D.
1705.12.8 Seismic isolation systems.
Periodic special inspection shall be provided for seismic isolation systems in seismically isolated structures assigned to Seismic Design Category C or D during the fabrication and installation of isolator units and energy dissipation devices.
1705.12.9 Cold-formed steel special bolted moment frames.
Periodic special inspection shall be provided for the installation of cold-formed steel special bolted moment frames in the seismic force-resisting systems of structures assigned to Seismic Design Category D.
17. Add a new exception to Section 1705.13 to read:
"Exception: Buildings and structures assigned to Seismic Design Category A or B."
18. Revise Section 1705.13.1.1 by replacing "Seismic Design Category B, C, D, E or F" with "Seismic Design Category C or D."
19. Revise exception 1 to Section 1705.13.1.1 by replacing "B or C" with "C."
20. Revise exception 2o to Section 1705.13.1.1 by replacing "D, E or F" with "D."
21. Revise Section 1705.13.1.2 by replacing "Seismic Design Category B, C, D, E or F" with "Seismic Design Category C or D."
22. Revise exception 1 to Section 1705.13.1.2 by replacing "B or C" with "C."
23. Revise exception 2 to Section 1705.13.1.2 by replacing "D, E or F" with "D."
24. Revise Section 1705.13.2 to read:
"1705.13.2 Nonstructural components.
For structures assigned to Seismic Design Category C or D, where the requirements of Section 13.2.1 of ASCE 7 for nonstructural components, supports or attachments are met by seismic qualification as specified in Item 2 therein, the registered design professional shall specify on the permitted construction documents the requirements for seismic qualification by analysis, testing or experience data. Certificates of compliance for the seismic qualification shall be made available to the building official as specified in Section 1704.5."
25. Revise Section 1705.13.3 to read:
"1705.13.3 Designated seismic systems.
For structures assigned to Seismic Design Category C or D and with designated seismic systems that are subject to the requirements of Section 13.2.2 of ASCE 7 for certification, the registered design professional shall specify on the permitted construction documents the requirements to be met by analysis, testing or experience data as specified therein. Certificates of compliance documenting that the requirements are met shall be made available to the building official as specified in Section 1704.5."
26. Revise Section 1705.13.4 by replacing "Seismic Design Category B, C, D, E or F" with "Seismic Design Category C or D."
27. Revise the second sentence of Section 1705.14 to read:
"Special inspections shall be based on the permitted construction documents."
28. Revise Section 1705.14.2 to read:
"1705.14.2 Structural member surface conditions.
The surfaces shall be prepared in accordance with the permitted construction documents and the written instructions of the manufacturer. The prepared surface of structural members to be sprayed shall be inspected by the special inspector before the application of the sprayed fire-resistant material."
29. Revise Section 1705.14.3 to read:
"1705.14.3 Application.
The substrate shall have a minimum ambient temperature before and after application as specified in the written instructions of the manufacturer. The area for application shall be ventilated during and after application as required by the written instructions of the manufacturer."
30. Revise Section 1705.14.4 by replacing "approved fire-resistance design" with "permitted construction documents."
31. Revise Section 1705.14.5 by replacing "approved fire-resistance design" with "permitted construction documents."
32. Revise Section 1705.14.6.3 to read:
"1705.14.6.3 Primer, paint and encapsulant bond tests.
Bond tests to qualify a primer, paint or encapsulant shall be conducted where the sprayed fire-resistant material is applied to a primed, painted or encapsulated surface for which acceptable bond-strength performance between these coatings and the sprayed fire-resistant material has not been determined. A bonding agent approved by the sprayed fire-resistant material manufacturer shall be applied to a primed, painted or encapsulated surface where the bond strengths are found to be less than required values."
33. Revise Section 1705.15 to read:
"1705.15 Mastic and intumescent fire-resistant coatings.
Special inspections and tests for mastic fire-resistant coatings and intumescent fire-resistant coatings applied to structural elements and decks shall be performed in accordance with AWCI 12-B. Special inspections and tests shall be based on the permitted construction documents and manufacturer’s instructions."
34. Delete Section 1705.16 and its subsections.
35. Revise Section 1705.18 to read:
"1705.18 Testing for smoke control.
Smoke control systems shall be tested by a special inspector prior to acceptance testing by or in the presence of the fire code official."
(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 78)