USCG Cape Cod - SNELL STATEMENT OF SPECIAL INSPECTIONS - SNELL DSS 2024-06-24.pdf

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Statement of Special Inspections - Structural

Project: USCG CAPE COD

Location: JOINT BASE CAPE COD, BARNSTABLE MA

Owner: CAPE COD VA

Design Professional in Responsible Charge: Cord Van Nostrand, P.E., S.E.

This Statement of Special Inspections is submitted in accordance with Section 1704.3 of the 2021 International Building Code for the Structural Discipline. It includes a Schedule of Special Inspection Services applicable to the above-referenced Project as well as the qualifications of the Inspectors and Testing Technicians to be retained for conducting these inspections. If applicable, it includes Requirements for Seismic Resistance and/or Requirements for Wind Resistance. This Statement of Special Inspections encompass the Structural discipline.

Are Requirements for Seismic Resistance required for this project? ☐ Yes ☒ No

Are Requirements for Wind Resistance required for this project? ☒ Yes ☐ No

1. The intent of Special Inspections is to observe that the structural portions of the work are executed in substantial accordance with the permitted Official Contract Documents, except where variations from these documents are permitted in writing by the Architect or Engineer of Record. The Official Contract

Documents are defined as the permitted plans, recorded addendums, and the specifications with all amendments thereto, including the Schedule of Special Inspections.

2. Special inspections and structural testing shall be provided by an independent agency employed by the

Owner for the items identified in this section and in other areas of the approved construction plans and specifications, unless waived by the Building Official (see International Building Code (IBC) Chapter 17).

3. The names and credentials of the Special Inspectors to be used shall be submitted to the Building

Official for approval.

4. Duties of the Special Inspector:

a. The Special Inspector shall review all work listed below for conformance with the approved construction plans and specifications and the IBC 2021.

b. The Special Inspector shall furnish special inspection reports to the Structural Engineer of Record

(SER), Contractor, Owner, and Building Official on a weekly basis, or more frequently as required by the Building Official. All items not in compliance shall be brought to the immediate attention of the Contractor for correction, and if uncorrected, to the SER and the Building Official.

c. Once corrections have been made by the Contractor, the Special Inspector shall submit a final signed report to the Building Official stating that the work requiring special inspection was, to the best of the Special Inspector’s knowledge, in conformance with the approved construction plans and specifications as well as the applicable workmanship provisions of the 2021 IBC.

d. The Special Inspector shall not make design decisions, direct the Contractors work, nor be responsible for construction means and methods.

e. Frequency of interim report submittals to the Registered Design Professional in Responsible

Charge:

☐ Weekly ☐ Bi-Weekly ☒ Monthly ☐ Other; specify:

5. Duties and responsibilities of the Contractor:

a. The Contractor shall submit a written statement of responsibility to the Owner and the Building

Official prior to the commencement of work. In accordance with IBC 1704.4, the statement of

2 | P a g e Statement of Special Inspections responsibility shall contain acknowledgement of the special inspection requirements contained within this “Statement of Special Inspections”.

b. The Contractor shall notify the responsible Special Inspector that work is ready for inspection at least one working day (24 hours minimum) before such inspection is required.

c. All work requiring special inspection shall remain accessible and exposed until it has been observed by the Special Inspector.

6. See the “Schedule of Special Inspections” for the types, extents and frequency of specific items requiring special inspections and structural tests as part of this project.

Statement of Special Inspections Prepared by:

Type or Print Name

Signature Date

Building Official’s Acceptance:

Type or Print Name

Signature Date

Frequency of interim report submittals to the Building Official:

☐ Weekly ☐ Bi-Weekly ☐ Monthly ☐ Other; specify:

Preparer’s seal

Cordell Van Nostrand

06/24/24

This item has been electronically signed and sealed by Cordell S. Van Nostrand using a Digital Signature.

Snell Engineering Consultants

3 | P a g e Statement of Special Inspections

Quality Assurance for Wind and Seismic Requirements

See the Schedule of Special Inspections for inspection and testing requirements.

Statement of Responsibility: Each contractor responsible for the construction or fabrication of a system or component described above must submit a Statement of Responsibility.

Wind Requirements

Basic Wind Speed, V: 140 m.p.h.

Wind Exposure Category: C

Statement of Special Inspection for Wind Resistance Required (Yes/No): Yes

Description of main wind force-resisting system subject to special inspection for wind resistance: Structural steel braced frames located within light gauge walls.

Description of wind force-resisting components subject to special inspection for wind resistance:

Structural steel braced frames located within light gauge walls.

Qualifications of Inspectors and Testing Technicians

The qualifications of all personnel performing Special Inspection and testing activities are subject to the approval of the Building Official. The credentials of all Inspectors and testing technicians shall be provided if requested.

Key for Minimum Qualifications of Inspection Agents:

When the Registered Design Professional in Responsible Charge deems it appropriate that the individual performing a stipulated test or inspection have a specific certification or license as indicated below, such designation shall appear below the Qualification on the Schedule. The Agency/Inspector column should be used by the Building Official or Special Inspection Coordinator to list which Agency or Inspector will perform the listed type of inspection.

PE/SE Structural Engineer – a licensed SE or PE specializing in the design of building structures.

PE/GE Geotechnical Engineer – a licensed PE specializing in soil mechanics and foundations.

EIT Engineer-In-Training – a graduate engineer who has passed the Fundamentals of Engineering examination with a minimum of 3 years experience in the design and/or inspection type.

ETT Experience Testing Technician – An Experienced Testing Technician with a minimum 5 years experience with the stipulated test or inspection type.

American Concrete Institute (ACI) Certification

ACI-CFTT Concrete Field Testing Technician – Grade 1 ACI-CCI Concrete Construction Inspector ACI-LTT Laboratory Testing Technician – Grade 1 & 2 ACI-STT Strength Testing Technician

American Welding Society (AWS) Certification

AWS-CWI Certified Welding Inspector AWS/AISC-SSI Certified Structural Steel Inspector

American Society of Non-Destructive Testing (ASNT) Certification

4 | P a g e Statement of Special Inspections

ASNT Non-Destructive Testing Technician – Level II or III

International Code Council (ICC) Certification

ICC-SMSI Structural Masonry Special Inspector ICC-SWSI Structural Steel and Welding Special Inspector ICC-SFSI Spray-Applied Fireproofing Special Inspector ICC-PCSI Prestressed Concrete Special Inspector ICC-RCSI Reinforced Concrete Special Inspector

National Institute for Certification in Engineering Technologies (NICET)

NICET-CT Concrete Technician – Levels I, II, III & IV NICET-ST Soils Technician - Levels I, II, III & IV NICET-GET Geotechnical Engineering Technician - Levels I, II, III & IV

Other

Inspector/Testing Technician Required for each Test or Inspection Type

Soils and Foundations

Test or Inspection Type Qualification Agency/Inspector

(For use by Building Official or SI Coordinator)

1. Shallow Foundations SE/PE, EIT, ETT

2. Controlled Structural Fill SE/PE, PE/GE, EIT, ETT

3. Deep Foundations SE/PE, PE/GE, EIT, ETT

4. Load Testing SE/PE, PE/GE, EIT, ETT

5. Other:

Cast-in-Place Concrete

(For use by Building Official or SI Coordinator)

1. Mix Design SE/PE, EIT

2. Material Certification ACI-CCI, ICC-RCSI, SE/PE, EIT, ETT

3. Reinforcement Installation ACI-CCI, ICC-RCSI, SE/PE, EIT, ETT

4. Post-Tensioning Operations ICC-PCSI, SE/PE, EIT, ETT

5. Welding of Reinforcing AWS-CWI, SE/PE, EIT, ETT

6. Anchor Rods ACI-CCI, ICC-RCSI, SE/PE, EIT, ETT

7. Concrete Placement ACI-CCI, ICC-RCSI, SE/PE, EIT, ETT

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8. Sampling and Testing of Concrete

NICET-ST, ETT, ACI-CCI, ICC-

RCSI

9. Curing and Protection ACI-CCI, ICC-RCSI, SE/PE, EIT, ETT

10. Other:

Structural Steel

(For use by Building Official or SI Coordinator)

1. Fabricator Certification/ Quality Control Procedures (Fabricator Exempt)

AWS/AISC-SSI, ICC-SWSI,

SE/PE, EIT, ETT

2. Material Certification AWS/AISC-SSI, ICC-SWSI,

3. Open Web Steel Joists AWS/AISC-SSI, ICC-SWSI, SE/PE, EIT, ETT

4. Bolting AWS/AISC-SSI, ICC-SWSI, SE/PE, EIT, ETT

5. Welding AWS-CWI, ASNT, SE/PE, EIT, ETT

6. Shear Connectors AWS/AISC-SSI, ICC-SWSI, SE/PE, EIT, ETT

7. Structural Details SE/PE, EIT

8. Metal Deck AWS/AISC-SSI, ICC-SWSI,

9. Other:

Cold-Formed Steel Framing

Agency/Inspector

(For use by Building Official or SI Coordinator)

1. Member Sizes SE/PE, EIT, ETT

2. Material Thickness SE/PE, EIT, ETT

3. Material Properties SE/PE, EIT, ETT

4. Mechanical Connections SE/PE, EIT, ETT

5. Welding AWS-CWI, SE/PE, EIT, ETT

6. Framing Details SE/PE, EIT, ETT

7. Trusses SE/PE, EIT, ETT

8. Permanent Truss Bracing SE/PE, EIT, ETT

9. Other:

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Schedule of Special Inspections

1705.2.1 Structural Steel Construction

1. Fabricator and erector documents (Verify reports and certificates as listed in AISC 360, Section N 3.2 for compliance with construction documents)

Submittal Review Y Each submittal

2. Material verification of structural steel Shop (3) and field inspection Y Periodic

3. Structural steel welding:

a. Inspection tasks Prior to Welding (Observe, or perform for each welded joint or member, the QA tasks listed in AISC 360, Table N5.4- 1)

Shop (3) and field inspection

Y Observe or Perform as noted (4)

b. Inspection tasks During Welding (Observe, or perform for each welded joint or member, the QA tasks listed in AISC 360, Table N5.4- 2)

Shop (3) and field inspection

Y Observe (4)

c. Inspection tasks After Welding (Observe, or perform for each welded joint or member, the QA tasks listed in AISC 360, Table N5.4-3)

Shop (3) and field inspection

Y Observe or Perform as noted (4)

d. Nondestructive testing (NDT) of welded joints: see Commentary

1) Complete penetration groove welds 5/16" or greater in risk category III or IV

Shop (3) or field ultrasonic testing - 100%

N Periodic

2) Complete penetration groove welds 5/16" or greater in risk category II

Shop (3) or field ultrasonic testing - 10% of welds minimum N Periodic

3) Welded joints subject to fatigue when required by AISC 360, Appendix 3, Table A- 3.1

Shop (3) or field radiographic or Ultrasonic testing N Periodic

4) Fabricator's NDT reports when fabricator performs NDT

Verify reports Y Each submittal (5)

4. Structural steel bolting: Shop (3) and field inspection

a. Inspection tasks Prior to Bolting (Observe, or perform tasks for each bolted connection, in accordance with QA tasks listed in AISC 360, Table N5.6-1)

Y Observe or Perform as noted (4)

b. Inspection tasks During Bolting (Observe the QA tasks listed in AISC 360, Table N5.6- 2)

Y Observe (4)

1) Pre-tensioned and slip-critical joints N

a) Turn-of-nut with matching markings N Periodic

b) Direct tension indicator N Periodic

c) Twist-off type tension control bolt N Periodic

d) Turn-of-nut without matching markings N Continuous

e) Calibrated wrench N Continuous

2) Snug-tight joints Y Periodic

7 | P a g e Statement of Special Inspections

c. Inspection tasks After Bolting (Perform tasks for each bolted connection in accordance with QA tasks listed in AISC 360, Table N5.6-3)

Y Perform (4)

5. Visual inspection of exposed cut surfaces of galvanized structural steel main members and exposed corners of the rectangular HSS for cracks subsequent to galvanizing

Shop (3) or field inspection

N Periodic

6. Embedments (Verify diameter, grade, type, length, embedment. See 1705.3 for anchors) Field inspection Y Periodic

7. Verify member locations, braces, stiffeners, and application of joint details at each connection comply with construction documents

Field inspection Y Periodic

8. Inspect installation of blast barrier and attachment to main structure. Field Inspection Y Periodic

1705.2.2 Cold-Formed Steel Deck

1. Manufacturer documents (Verify reports and certificates as listed in SDI QA/QC, Section 2, Paragraphs 2.1 and 2.2 for compliance with construction documents)

Submittal Review Y Each submittal

2. Material verification of steel deck, mechanical fasteners and welding materials

Shop (3) and field inspection

Y Periodic

3. Cold-formed steel deck placement:

Shop (3) and field

a. Inspection tasks Prior to Deck Placement (Perform the QA tasks listed in SDI QA/QC, Appendix 1 Table 1.1)

Y Perform (4)

b. Inspection tasks After Deck Placement (Perform the QA tasks listed in SDI QA/QC, Appendix 1 Table 1.2)

Y Perform (4)

4. Cold-formed steel deck welding:

a. Inspection tasks Prior to Welding (Observe the QA tasks listed in SDI QA/QC, Appendix 1 Table 1.3)

Y Observe (4)

b. Inspection tasks During Welding (Observe the QA tasks listed in SDI QA/QC, Appendix 1 Table 1.4)

Y Observe (4)

c. Inspection tasks After Welding (Perform the QA tasks listed in SDI QA/QC, Appendix 1 Table 1.5)

Y Perform (4)

5. Cold-formed steel deck mechanical fastening:

a. Inspection tasks Prior to Mechanical Fastening (Observe the QA tasks listed in SDI QA/QC, Appendix 1 Table 1.6)

Y Observe (4)

8 | P a g e Statement of Special Inspections

b. Inspection tasks During Mechanical Fastening (Observe the QA tasks listed in SDI QA/QC, Appendix 1 Table 1.7)

Y Observe (4)

c. Inspection tasks After Mechanical Fastening (Perform the QA tasks listed in SDI QA/QC, Appendix 1 Table 1.8)

Y Perform (4)

1705.3 Concrete Construction

1. Inspection and placement verification of reinforcing steel and prestressing tendons.

Shop (3) and field inspection

Y Periodic

2. Reinforcing bar welding:

a. Verification of weldability of bars other than ASTM A706.

N Periodic

b. Inspection of single-pass fillet welds 5/16 or less in size.

N Periodic

c. Inspection of all other welds. N Continuous

3. Inspection of anchors cast in concrete.

Shop (3) and field inspection Y Periodic

4. Inspection of anchors post-installed in hardened concrete members per research reports, or, if no specific requirements are provided, requirements shall be provided by the registered design professional and approved by the building official, including verification of anchor type, anchor dimensions, hole dimensions, hole cleaning procedures, anchor spacing, edge distances, concrete minimum thickness, anchor embedment and tightening torque

Field inspection Y

Periodic or as required by the research report issued by an approved source

a. Adhesive anchors installed in horizontal or upward-inclined orientation that resist sustained tension loads.

N Continuous

b. Mechanical and adhesive anchors note defined in 4a.

Y Periodic

5. Verify use of approved design mix Shop (3) and field inspection Y Periodic

6. Prior to placement, fresh concrete sampling, perform slump and air content tests and determine temperature of concrete and perform any other tests as specified in construction documents.

Shop (3) and field inspection

Y Continuous

7. Inspection of concrete and shotcrete placement for proper application techniques

Shop (3) and field inspection

Y Continuous

8. Verify maintenance of specified curing temperature and techniques

Shop (3) and field inspection

Y Periodic

9. Inspection of prestressed concrete:

a. Application of prestressing force N Continuous

b. Grouting of bonded prestressing tendons N Continuous

10. Inspect erection of precast concrete members

N Periodic

9 | P a g e Statement of Special Inspections

11. Verification of 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

Review field testing and laboratory reports

N Periodic

12. Inspection of formwork for shape, lines, location and dimensions

Field inspection Y Periodic

13. Concrete strength testing and verification of compliance with construction documents

Field testing and review of laboratory reports

Y Periodic

1705.6 Soils

1. Verify materials below shallow foundations are adequate to achieve the design bearing capacity.

Field inspection Y Periodic

2. Verify excavations are extended to proper depth and have reached proper material.

Field inspection Y Periodic

3. Perform classification and testing of compacted fill materials.

Field inspection Y Periodic

4. Verify use of proper materials, densities, and lift thicknesses during placement and compaction of controlled fill

Field inspection Y Continuous

5. Prior to placement of controlled fill, inspect subgrade and verify that site has been prepared properly

Field inspection Y Periodic

1705.11.2 Cold-formed Steel Special Inspections For Wind Resistance

1.Inspection during welding operations of elements of the main wind force-resisting system

Shop (3) and field inspection

Y Periodic

2. Inspection of screw attachment, bolting, anchoring and other fastening of components within the main windforce-resisting system, including shear walls, braces, diaphragms, collectors (drag struts) and hold-downs.

Shop (3) and field inspection

Y Periodic

1705.11.3 Wind-resisting Components

1. Roof covering, roof deck and roof framing connections.

Shop (3) and field inspection

Y Periodic

2. Exterior wall covering and wall connections to roof and floor diaphragms.

Shop (3) and field inspection

Y Periodic

Notes:

1. The inspection and testing agent(s) shall be engaged by the Owner or the Owner's Agent, and not by the Contractor or Subcontractor whose work is to be inspected or tested. Any conflict of interest must be disclosed to the Building Official prior to commencing work. The qualifications of the Special Inspector(s) and/or testing agencies may be subject to the approval of the Building Official and/or the Design Professional.

2. The list of Special Inspectors may be submitted as a separate document, if noted so above.

3. Shop Inspections of fabricated items are not required where the fabricator is approved in accordance with IBC Section 1704.2.5.1 and listed in activity 1709.2.

4. Observe: Observe on a random basis, operations need not be delayed pending these inspections. Perform: These tasks shall be performed for each welded joint, bolted connection, or steel element.

5. NDT of welds completed in an approved fabricator's shop may be performed by that fabricator when approved by the AHJ. Refer to AISC 360, N6.

6. The qualifications of all personnel performing Special Inspection and testing activities are subject to the approval of the Building Official. The credentials of all Inspectors and testing technicians shall be provided to the Special Inspector for their records.