1705.1 General
Special inspections and tests of elements and nonstructural components of buildings and structures shall meet the applicable requirements of
this section.
1705.1.1 Special Cases
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:
- Construction materials and systems that are alternatives to materials and systems prescribed by this code.
- Unusual design applications of materials described in this code.
- 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.
1705.1.1.1 Identified Special Cases
Special inspections and tests shall be required for the proposed work identified in Sections B-1705.1.1.1.1 and B-1705.1.1.1.2.
1705.1.1.1.1 Underpinning
Underpinning of structures shall be subject to special inspections in accordance with the applicable provisions of Section 1705. In
addition to the special inspection for structural stability, any new foundation elements installed as part of underpinning operations
shall be subject to special inspection as a permanent installation in accordance with the applicable provisions of Chapter 17,
including, but not limited to, special inspection for concrete, welding, and pile driving.
1705.1.1.1.1.1 Inspection Program
Prior to commencement of work, the special inspector shall review the contractor’s proposed sequence of operations and
determine the areas of work that require design. Inspections of this work shall be continuous during the operations, and shall be
conducted by a geotechnical, civil, or structural professional engineer licensed by the Commonwealth of Pennsylvania.
1705.1.1.1.2 Demolition
The following demolition operations shall be subject to special inspections in accordance with the applicable provisions of Chapter
17: - Complete demolition of a building in excess of three (3) stories or any structure in excess of 40 feet (12192 mm) in
height. These inspections shall be performed on a continuous basis until the structure is demolished to a height of 25
feet (7620 mm). - Where the use of mechanical demolition is recommended in writing by a licensed structural engineer, pursuant to
Section B-3303.9. These inspections shall be performed on a continuous basis until the structure is demolished to a
height of 15 feet (4572 mm). - Where mechanical demolition equipment, other than handheld devices, is to be used in the full or partial demolition of
a building from within the building and with the mechanical equipment being supported by the building, or is to be
used within the building to remove debris or move material. These inspections shall be performed on a continuous
basis until the structure is demolished to a height of 15 feet (4572 mm).
Exception: Demolition performed under contract with the Department and in compliance with current Procurement Department
Specifications.
1705.1.1.1.2.1 Inspection Program
Prior to commencement of work, the special inspector shall review the permit documents, including the site safety demolition
plan (also known as an engineering study), and become familiar with the reported demolition methods and details of any
potential structural hazards to the project and adjoining properties.
1705.1.1.2 Records of Special Inspections for Special Cases
In addition to other reporting requirements established by this Chapter, a special inspection logbook shall be maintained at the special
inspector’s office and shall contain the following information: - Project identification, permit number and address.
- Date and time of each inspection.
- Names of personnel who performed each inspection.
- Dates of off-site meetings, names of the participants and a summary of the conversations.
- Any significant observations or instructions given related to any of the following:
1705.2 Steel Construction
The special inspections and nondestructive testing of steel construction in buildings, structures, and portions thereof 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
submit a detailed procedure for material control that demonstrates the fabricator’s ability to maintain suitable records and procedures such
that, at any time during the fabrication process, the material specification and grade for the main stress-carrying elements are capable of
being determined. Mill test reports shall be identifiable to the main stress-carrying elements where required by the approved construction
documents.
1705.2.1 Structural Steel
Special inspections and nondestructive testing of structural steel elements in buildings, structures and portions thereof shall be in
accordance with the quality assurance inspection requirements of AISC 360.
Exception: Special inspection of railing systems composed of structural steel elements shall be limited to welding inspection of welds at
the base of cantilevered rail posts.
1705.2.2 Cold-Formed Steel Deck
Special inspections and qualification of welding special inspectors for cold-formed steel floor and roof deck shall be in accordance with the
quality assurance inspection requirements of SDI QA/QC.
1705.2.3 Open-Web Steel Joists and Joist Girders
Special inspections of open-web steel joists and joist girders in buildings, structures and portions thereof shall be in accordance with Table
1705.2.3.
(a) Deviations from the design documents;
(b) Anticipated field conditions;
(c) Proper execution of the work;
(d) Safe jobsite conditions; and
(e) Precautions taken to maintain safe conditions, if work is stopped for any reason.
TABLE 1705.2.3
REQUIRED SPECIAL INSPECTIONS OF OPEN-WEB STEEL JOISTS AND JOIST GIRDERS
TYPE CONTINUOUS
SPECIAL INSPECTION
PERIODIC SPECIAL
INSPECTION REFERENCED STANDARDa
1.Installation of open-web steel joists and joist girders.
a. End connections — welding or bolted. — X SJI specifications listed in Section 2207.1.
b. Bridging — horizontal or diagonal. — — —
1.Standard bridging. — X SJI specifications listed in Section 2207.1.
2.Bridging that differs from the SJI
specifications listed in Section 2207.1.
— X —
For SI: 1 inch = 25.4 mm.
a. Where applicable, see Section 1705.12, Special inspections for seismic resistance.
1705.2.4 Cold-Formed Steel Trusses Spanning 60 Feet or Greater
Where a cold-formed steel truss clear span is 60 feet (18 288 mm) or greater, the special inspector shall verify that the temporary
installation restraint/bracing and the permanent individual truss member restraint/bracing are installed in accordance with the approved
truss submittal package.
1705.3 Concrete Construction
Special inspections and tests of concrete construction shall be performed in accordance with this section and Table 1705.3.
Exception: Special inspections and tests shall not be required for: - Isolated spread concrete footings of buildings three stories or less above grade plane that are fully supported on earth or rock.
- Continuous concrete footings supporting walls of buildings three 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 approved construction
documents or used in the footing construction. - Nonstructural concrete slabs supported directly on the ground, including prestressed slabs on grade, where the effective
prestress in the concrete is less than 150 psi (1.03 MPa). - Concrete foundation walls constructed in accordance with Table 1807.1.6.2.
- Concrete patios, driveways and sidewalks, on grade.
TABLE 1705.3
REQUIRED SPECIAL INSPECTIONS AND TESTS OF CONCRETE CONSTRUCTION
TYPE
CONTINUOUS
SPECIAL
INSPECTION
PERIODIC
SPECIAL
INSPECTION
REFERENCED
STANDARDa
IBC
REFERENCE - 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 - Reinforcing bar welding:
a. Verify weldability of reinforcing bars other than ASTM A706; — X AWS D1.4
b. Inspect single-pass fillet welds, maximum 5
/16″; and
X ACI 318: 26.6.4 —
c. Inspect all other welds.
X - Inspect anchors cast in concrete. — X ACI 318: 17.8.2 —
- Inspect anchors post-installed in hardened concrete members.b
a. Adhesive anchors installed in horizontally or upwardly inclined orientations to
resist sustained tension loads. X X ACI 318: 17.8.2.4 —
b. Mechanical anchors and adhesive anchors not defined in 4.a.
ACI 318: 17.8.2 - 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 - Prior to concrete placement, fabricate specimens for strength tests, perform slump and air
content tests, and determine the temperature of the concrete.
X —
ASTM C172
ASTM C31
ACI 318: 26.5, 26.12
1908.10 - Inspect concrete and shotcrete placement for proper application techniques. X — ACI 318: 26.5
1908.6,
1908.7,
1908.8 - Verify maintenance of specified curing temperature and techniques. — X ACI 318: 26.5.3-26.5.5 1908.9
- Inspect prestressed concrete for:
a. Application of prestressing forces; and
X — ACI 318: 26.10 —
b. Grouting of bonded prestressing tendons.
X - Inspect erection of precast concrete members. — X ACI 318: 26.9 —
- Verify in-situ concrete strength, prior to stressing 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 — - Inspect formwork for shape, location and dimensions of the concrete member being formed. — X ACI 318: 26.11.1.2(b) —
For SI: 1 inch = 25.4 mm.
a. Where applicable, see 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.
1705.3.1 Welding of Reinforcing Bars
Special inspections of welding and qualifications of special inspectors for reinforcing bars shall be in accordance with the requirements of
AWS D1.4 for special inspection and of AWS D1.4 for special inspector qualification.
1705.3.2 Material Tests
In the absence of sufficient data or documentation providing evidence of conformance to quality standards for materials in Chapters 19 and
20 of ACI 318, the building official shall require testing of materials in accordance with the appropriate standards and criteria for the
material in Chapters 19 and 20 of ACI 318.
1705.4 Masonry Construction
Special inspections and tests of masonry construction shall be performed in accordance with the quality assurance program requirements of
TMS 402 and TMS 602.
Exception: Special inspections and tests shall not be required for: - Empirically designed masonry, glass unit masonry or masonry veneer designed in accordance with Section 2109, 2110 or
Chapter 14, respectively, where they are part of a structure classified as Risk Category I, II or III. - Masonry foundation walls constructed in accordance with Table 1807.1.6.3(1), 1807.1.6.3(2), 1807.1.6.3(3) or 1807.1.6.3(4).
- Masonry fireplaces, masonry heaters or masonry chimneys installed or constructed in accordance with Section 2111, 2112 or
2113, respectively.
1705.4.1 Empirically Designed Masonry, Glass Unit Masonry and Masonry Veneer in Risk Category IV
Special inspections and tests for empirically designed masonry, glass unit masonry or masonry veneer designed in accordance with
Section 2109, 2110 or Chapter 14, respectively, where they are part of a structure classified as Risk Category IV shall be performed in
accordance with TMS 602, Level 2.
1705.4.2 Vertical Masonry Foundation Elements
Special inspections and tests of vertical masonry foundation elements shall be performed in accordance with Section 1705.4.
1705.5 Wood Construction
Special inspections of prefabricated wood structural elements and assemblies shall be in accordance with Section 1704.2.5. Special
inspections of site-built assemblies shall be in accordance with this section.
1705.5.1 High-Load Diaphragms
High-load diaphragms designed in accordance with Section 2306.2 shall be installed with special inspections as indicated in Section
1704.2. The special inspector shall inspect the wood structural panel sheathing to ascertain whether it is of the grade and thickness shown
on the approved construction documents. Additionally, the special inspector must verify the nominal size of framing members at adjoining
panel edges, the nail or staple diameter and length, the number of fastener lines and that the spacing between fasteners in each line and at
edge margins agrees with the approved construction documents.
1705.5.2 Metal-Plate-Connected Wood Trusses Spanning 60 Feet or Greater
Where a truss clear span is 60 feet (18 288 mm) or greater, the special inspector shall verify that the temporary installation restraint/bracing
and the permanent individual truss member restraint/bracing are installed in accordance with the approved truss submittal package.
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 approved geotechnical report and the construction documents prepared by the registered design
professionals 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 approved geotechnical report.
Exception: Where Section 1803 does not require reporting of materials and procedures for fill placement, the special inspector shall verify
that the in-place dry density of the compacted fill is not less than 90 percent of the maximum dry density at optimum moisture content
determined in accordance with ASTM D1557.
TABLE 1705.6
REQUIRED SPECIAL INSPECTIONS AND TESTS OF SOILS
TYPE CONTINUOUS SPECIAL
INSPECTION
PERIODIC SPECIAL
INSPECTION - Verify materials below shallow foundations are adequate to achieve the design bearing
capacity.
— X - Verify excavations are extended to proper depth and have reached proper material. — X
- Perform classification and testing of compacted fill materials. — X
- Verify use of proper materials, densities and lift thicknesses during placement and compaction of compacted fill. X —
- Prior to placement of compacted fill, inspect subgrade and verify that site has been prepared properly. — X
1705.7 Driven Deep Foundations
Special inspections and tests shall be performed during installation of driven deep foundation elements as specified in Table 1705.7. The
approved geotechnical report and the construction documents prepared by the registered design professionals shall be used to determine
compliance.
TABLE 1705.7
REQUIRED SPECIAL INSPECTIONS AND TESTS OF DRIVEN DEEP FOUNDATION ELEMENTS
TYPE
CONTINUOUS
SPECIAL
INSPECTION
PERIODIC
SPECIAL
INSPECTION - Verify element materials, sizes and lengths comply with the requirements. X —
- Determine capacities of test elements and conduct additional load tests, as required. X —
- Inspect driving operations and maintain complete and accurate records for each element. X —
- Verify placement locations and plumbness, confirm type and size of hammer, record number of blows per foot of penetration, determine
required penetrations to achieve design capacity, record tip and butt elevations and document any damage to foundation element.
X — - For steel elements, perform additional special inspections in accordance with Section 1705.2. — —
- For concrete elements and concrete-filled elements, perform tests and additional special inspections in accordance with Section 1705.3. — —
- For specialty elements, perform additional inspections as determined by the registered design professional in responsible charge. — —
1705.8 Cast-In-Place Deep Foundations
Special inspections and tests shall be performed during installation of cast-in-place deep foundation elements as specified in Table 1705.8.
The approved geotechnical report and the construction documents prepared by the registered design professionals shall be used to determine
compliance.
TABLE 1705.8
REQUIRED SPECIAL INSPECTIONS AND TESTS OF CAST-IN-PLACE DEEP FOUNDATION ELEMENTS
TYPE CONTINUOUS SPECIAL
INSPECTION
PERIODIC SPECIAL
INSPECTION - Inspect drilling operations and maintain complete and accurate records for each element. X —
- Verify placement locations and plumbness, confirm element diameters, bell diameters (if
applicable), lengths, embedment into bedrock (if applicable) and adequate end-bearing strata
capacity. Record concrete or grout volumes.
X — - For concrete elements, perform tests and additional special inspections in accordance with Section
1705.3.
— —
1705.9 Helical Pile Foundations
Continuous special inspections shall be performed during installation of helical pile foundations. The information recorded shall include
installation equipment used, pile dimensions, tip elevations, final depth, final installation torque and other pertinent installation data as required
by the registered design professional in responsible charge. The approved geotechnical report and the construction documents prepared by
the registered design professional shall be used to determine compliance.
1705.10 Fabricated Items
Special inspections of fabricated items shall be performed in accordance with Section 1704.2.5.
1705.11 Special Inspections for Wind Resistance
Special inspections for wind resistance specified in Sections 1705.11.1 through 1705.11.3, unless exempted by the exceptions to Section
1704.2, are required for buildings and structures constructed in the following areas: - 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. - In wind Exposure Category C or D, where Vasd as determined in accordance with Section 1609.3.1 is 110 mph (49 m/sec) or
greater.
1705.11.1 Structural Wood
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 and diaphragms, including nailing, bolting,
anchoring and other fastening to other elements of the main windforce-resisting system, where the specified fastener spacing at panel
edges is more than 4 inches (102 mm) on center.
1705.11.2 Cold-Formed Steel Light-Frame Construction
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, collectors (drag struts) and hold-downs.
Exception: Special inspections are not required for cold-formed steel light-frame shear walls and diaphragms, including screwing,
bolting, anchoring and other fastening to components of the windforce resisting system, where either of the following applies: - The sheathing is gypsum board or fiberboard.
- 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 (o.c.).
1705.11.3 Wind-Resisting Components
Periodic special inspection is required for fastening of the following systems and components: - Roof covering, roof deck and roof framing connections.
- Exterior wall covering and wall connections to roof and floor diaphragms and framing.
1705.12 Special Inspections for Seismic Resistance
Special inspections for seismic resistance 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: - The structure consists of light-frame construction; the design spectral response acceleration at short periods, SDS, as
determined in Section 1613.2.4, does not exceed 0.5; and the building height of the structure does not exceed 35 feet (10 668
mm). - The seismic force-resisting system of the structure consists of reinforced masonry or reinforced concrete; the design spectral
response acceleration at short periods, SDS, as determined in Section 1613.2.4, does not exceed 0.5; and the building height
of the structure does not exceed 25 feet (7620 mm). - The structure is a detached one- or two-family dwelling not exceeding two stories above grade plane and does not have any of
the following horizontal or vertical irregularities in accordance with Section 12.3 of ASCE 7:
3.1. Torsional or extreme torsional irregularity.
3.2. Nonparallel systems irregularity.
3.3. Stiffness-soft story or stiffness-extreme soft story irregularity.
3.4. Discontinuity in lateral strength-weak story irregularity.
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 B, C, D, E or F shall be performed in accordance with the quality assurance requirements of AISC 341.
Exceptions: - In buildings and structures assigned to Seismic Design Category B or 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. - In structures assigned to Seismic Design Category D, E, or F, 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 B, C, D, E or F 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: - In buildings and structures assigned to Seismic Design Category B or 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. - In structures assigned to Seismic Design Category D, E, or F, 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 the seismic force-resisting systems of structures assigned to Seismic Design Category C, D, E or F: - Continuous special inspection shall be required during field gluing operations of elements of the seismic force-resisting
system. - 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, D, E or F, periodic special inspection shall be
required for both: - Welding operations of elements of the seismic force-resisting system.
- 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: - The sheathing is gypsum board or fiberboard.
- 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, D, E or F, 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, E or F.
Exception: Periodic special inspection is not required for the following: - 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. - Exterior cladding and interior and exterior veneer weighing 5 psf (24.5 N/m2
) or less. - 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, E or F.
1705.12.6 Plumbing, Mechanical and Electrical Components
Periodic special inspection of plumbing, mechanical and electrical components shall be required for the following: - Anchorage of electrical equipment for emergency and standby power systems in structures assigned to Seismic Design
Category C, D, E or F. - Anchorage of other electrical equipment in structures assigned to Seismic Design Category E or F.
- Installation and anchorage of piping systems designed to carry hazardous materials and their associated mechanical units in
structures assigned to Seismic Design Category C, D, E or F. - Installation and anchorage of ductwork designed to carry hazardous materials in structures assigned to Seismic Design
Category C, D, E or F. - Installation and anchorage of vibration isolation systems in structures assigned to Seismic Design Category C, D, E or F
where the approved construction documents require a nominal clearance of 1
/4
inch (6.4 mm) or less between the equipment
support frame and restraint. - Installation of mechanical and electrical equipment, including duct work, piping systems and their structural supports, where
automatic fire sprinkler systems are installed in structures assigned to Seismic Design Category C, D, E or F 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, E or F.
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 B, C, D, E or F 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 forceresisting systems of structures assigned to Seismic Design Category D, E or F.
1705.13 Testing for Seismic Resistance
Testing for seismic resistance shall be required as specified in Sections 1705.13.1 through 1705.13.4, unless exempted from special
inspections by the exceptions of Section 1704.2.
1705.13.1 Structural Steel
Nondestructive testing for seismic resistance shall be in accordance with Section 1705.13.1.1 or 1705.13.1.2, as applicable.
1705.13.1.1 Seismic Force-Resisting Systems
Nondestructive testing of structural steel in the seismic force-resisting systems in buildings and structures assigned to Seismic Design
Category B, C, D, E or F shall be performed in accordance with the quality assurance requirements of AISC 341.
Exceptions: - In buildings and structures assigned to Seismic Design Category B or C, nondestructive testing is 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. - In structures assigned to Seismic Design Category D, E, or F, nondestructive testing is 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.
1705.13.1.2 Structural Steel Elements
Nondestructive testing of structural steel elements in the seismic force-resisting systems of buildings and structures assigned to
Seismic Design Category B, C, D, E or F other than those covered in Section 1705.13.1.1, including struts, collectors, chords and
foundation elements, shall be performed in accordance with the quality assurance requirements of AISC 341.
Exceptions: - In buildings and structures assigned to Seismic Design Category B or C, nondestructive testing of structural steel
elements is not required for seismic force-resisting systems with a response modification coefficient, R, of 3 or less. - In structures assigned to Seismic Design Category D, E or F, nondestructive testing of structural steel elements is not
required for seismic force-resisting systems where design and detailing other than AISC 341 is permitted by ASCE 7,
Table 15.4-1. Nondestructive testing of structural steel elements shall be in accordance with the applicable referenced
standard listed in ASCE 7, Table 15.4-1.
1705.13.2 Nonstructural Components
For structures assigned to Seismic Design Category B, C, D, E or F, 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 approved construction documents the requirements for seismic qualification by analysis, testing or experience data.
Certificates of compliance for the seismic qualification shall be submitted to the building official as specified in Section 1704.5.
1705.13.3 Designated Seismic Systems
For structures assigned to Seismic Design Category C, D, E or F 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 approved 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 submitted to the building official as specified in Section 1704.5.
1705.13.4 Seismic Isolation Systems
Seismic isolation systems in seismically isolated structures assigned to Seismic Design Category B, C, D, E or F shall be tested in
accordance with Section 17.8 of ASCE 7.
[BF] 1705.14 Sprayed Fire-Resistant Materials
Special inspections and tests of sprayed fire-resistant materials applied to floor, roof and wall assemblies and structural members shall be
performed in accordance with Sections 1705.14.1 through 1705.14.6. Special inspections shall be based on the fire-resistance design as
designated in the approved construction documents. The tests set forth in this section shall be based on samplings from specific floor, roof and
wall assemblies and structural members. Special inspections and tests shall be performed after the rough installation of electrical, automatic
sprinkler, mechanical and plumbing systems and suspension systems for ceilings, where applicable.
[BF] 1705.14.1 Physical and Visual Tests
The special inspections and tests shall include the following to demonstrate compliance with the listing and the fire-resistance rating: - Condition of substrates.
- Thickness of application.
- Density in pounds per cubic foot (kg/m3
). - Bond strength adhesion/cohesion.
- Condition of finished application.
[BF] 1705.14.2 Structural Member Surface Conditions
The surfaces shall be prepared in accordance with the approved fire-resistance design and the written instructions of approved
manufacturers. 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.
[BF] 1705.14.3 Application
The substrate shall have a minimum ambient temperature before and after application as specified in the written instructions of approved
manufacturers. The area for application shall be ventilated during and after application as required by the written instructions of approved
manufacturers.
[BF] 1705.14.4 Thickness
Not more than 10 percent of the thickness measurements of the sprayed fire-resistant materials applied to floor, roof and wall assemblies
and structural members shall be less than the thickness required by the approved fire-resistance design, and none shall be less than the
minimum allowable thickness required by Section 1705.14.4.1.
[BF] 1705.14.4.1 Minimum Allowable Thickness
For design thicknesses 1 inch (25 mm) or greater, the minimum allowable individual thickness shall be the design thickness minus 1/4
inch (6.4 mm). For design thicknesses less than 1 inch (25 mm), the minimum allowable individual thickness shall be the design
thickness minus 25 percent. Thickness shall be determined in accordance with ASTM E605. Samples of the sprayed fire-resistant
materials shall be selected in accordance with Sections 1705.14.4.2 and 1705.14.4.3.
[BF] 1705.14.4.2 Floor, Roof and Wall Assemblies
The thickness of the sprayed fire-resistant material applied to floor, roof and wall assemblies shall be determined in accordance with
ASTM E605, making not less than four measurements for each 1,000 square feet (93 m2
) of the sprayed area, or portion thereof, in
each story.
[BF] 1705.14.4.3 Cellular Decks
Thickness measurements shall be selected from a square area, 12 inches by 12 inches (305 mm by 305 mm) in size. Not fewer than
four measurements shall be made, located symmetrically within the square area.
[BF] 1705.14.4.4 Fluted Decks
Thickness measurements shall be selected from a square area, 12 inches by 12 inches (305 mm by 305 mm) in size. Not fewer than
four measurements shall be made, located symmetrically within the square area, including one each of the following: valley, crest and
sides. The average of the measurements shall be reported.
[BF] 1705.14.4.5 Structural Members
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.
[BF] 1705.14.4.6 Beams and Girders
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.
[BF] 1705.14.4.7 Joists and Trusses
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.
[BF] 1705.14.4.8 Wide-Flanged Columns
At wide-flanged columns, thickness measurements shall be made at 12 locations around the column at each end of a 12-inch (305 mm)
length.
[BF] 1705.14.4.9 Hollow Structural Section and Pipe Columns
At hollow structural section and pipe columns, thickness measurements shall be made at not fewer than four locations around the
column at each end of a 12-inch (305 mm) length.
[BF] 1705.14.5 Density
The density of the sprayed fire-resistant material shall be not less than the density specified in the approved fire-resistance design. Density
of the sprayed fire-resistant material shall be determined in accordance with ASTM E605. The test samples for determining the density of
the sprayed fire-resistant materials shall be selected as follows: - From each floor, roof and wall assembly at the rate of not less than one sample for every 2,500 square feet (232 m2
) or
portion thereof of the sprayed area in each story. - From beams, girders, trusses and columns at the rate of not less than one sample for each type of structural member for
each 2,500 square feet (232 m2
) of floor area or portion thereof in each story.
[BF] 1705.14.6 Bond Strength
The cohesive/adhesive bond strength of the cured sprayed fire-resistant material applied to floor, roof and wall assemblies and structural
members shall be not less than 150 pounds per square foot (psf) (7.18 kN/m2
). The cohesive/adhesive bond strength shall be determined
in accordance with the field test specified in ASTM E736 by testing in-place samples of the sprayed fire-resistant material selected in
accordance with Sections 1705.14.6.1 through 1705.14.6.3.
[BF] 1705.14.6.1 Floor, Roof and Wall Assemblies
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 m2
) of the sprayed area, or
portion thereof, in each story.
[BF] 1705.14.6.2 Structural Members
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 m2
) of floor area or portion thereof in each story.
[BF] 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 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.
[BF] 1705.15 Mastic and Intumescent Fire-Resistant Coatings
Special inspections and tests for mastic 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 fire-resistance design as designated in the approved
construction documents.
1705.16 Exterior Insulation and Finish Systems (EIFS)
Special inspections shall be required for all EIFS applications.
Exceptions: - Special inspections shall not be required for EIFS applications installed over a water-resistive barrier with a means of draining
moisture to the exterior. - Special inspections shall not be required for EIFS applications installed over masonry or concrete walls.
1705.16.1 Water-Resistive Barrier Coating
A water-resistive barrier coating complying with ASTM E2570 requires special inspection of the water-resistive barrier coating where
installed over a sheathing substrate.
[BF] 1705.17 Fire-Resistant Penetrations and Joints
In high-rise buildings or in buildings assigned to Risk Category III or IV, special inspections for through-penetrations, membrane penetration
firestops, fire-resistant joint systems and perimeter fire barrier systems that are tested and listed in accordance with Sections 714.4.1.2,
714.5.1.2, 715.3 and 715.4 shall be in accordance with Section 1705.17.1 or 1705.17.2.
[BF] 1705.17.1 Penetration Firestops
Inspections of penetration firestop systems that are tested and listed in accordance with Sections 714.4.1.2 and 714.5.1.2 shall be
conducted by an approved agency in accordance with ASTM E2174.
[BF] 1705.17.2 Fire-Resistant Joint Systems
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.
[F] 1705.18 Testing for Smoke Control
Smoke control systems shall be tested by a special inspector.
[F] 1705.18.1 Testing Scope
The test scope shall be as follows: - During erection of ductwork and prior to concealment for the purposes of leakage testing and recording of device location.
- Prior to occupancy and after sufficient completion for the purposes of pressure difference testing, flow measurements and
detection and control verification.
[F] 1705.18.2 Qualifications
Approved agencies for smoke control testing shall have expertise in fire protection engineering, mechanical engineering and certification as
air balancers.