ICC S1 Structural Steel Special Inspector Exam Voucher
The ICC S1 Structural Steel Special Inspector Certification is a specialized, nationally recognized credential that certifies your expertise in inspecting structural steel construction for compliance with building codes and engineering standards.
It validates key skills in evaluating steel framing, bolting, welding, connections, fabrication, and overall structural integrity—based on the International Building Code (IBC), AISC Steel Construction Manual, and AWS D1.1 Structural Welding Code. Ideal for special inspectors, structural inspectors, civil/structural engineers, and quality control/QA professionals working on steel-framed buildings, high-rises, bridges, and industrial projects.
Exam Highlights:
- 60 multiple-choice questions
- 2.5-hour time limit
- Open-book format (using the 2021 or 2024 IBC + AISC Steel Construction Manual + AWS D1.1 references)
- Available online via PRONTO remote proctoring or in-person at Pearson VUE testing centers
Purchase an exam voucher valid for 12 months, then schedule through your myICC account. An essential credential for ensuring safe, code-compliant structural steel work on demanding construction projects.
(Note: Full S1 Special Inspector certification may involve modular exams and prerequisites; verify current requirements on iccsafe.org.)

Product Description
What is the S1 Structural Steel Certification?
The ICC S1 Structural Steel Special Inspector certification is a specialized Inspector-level credential that validates a candidate’s ability to inspect structural steel construction for compliance with building codes and engineering standards. Issued by the International Code Council, this certification demonstrates expertise in evaluating steel framing, connections, bolting, welding, and structural integrity.
The S1 certification is based on the International Building Code (IBC) and AISC (American Institute of Steel Construction) standards, making it essential for professionals involved in structural steel inspections on commercial and industrial projects.
Who Should Take the S1 Exam?
The S1 certification is ideal for:
Special Inspectors and Structural Inspectors
Civil and Structural Engineers
Construction Quality Control and QA Professionals
It is especially valuable for those working on steel structures, high-rise buildings, and infrastructure projects.
S1 Exam Details & Format
Exam ID: S1
Certification Name: Structural Steel Special Inspector
Category: Special Inspector
Level: Inspector (Specialized)
Code Year: Based on IBC (2021/2024) + AISC Standards
Reference Books:
International Building Code (IBC) – 2021 or 2024 Edition
AISC Steel Construction Manual
AWS D1.1 Structural Welding Code (Steel)
Exam Format:
60 Multiple Choice Questions
2.5 Hour Time Limit
Open Book Exam
Testing Method:
PRONTO (Online Remote Proctoring)
Pearson VUE CBT (Testing Center)
Voucher Validity:
12 months from the date of purchase.
Redemption Instructions
Purchase your S1 Structural Steel Special Inspector exam voucher
Receive your unique ICC voucher code via email
Log in to your myICC account
Schedule your exam via PRONTO or Pearson VUE and apply your code
Frequently Asked Questions
Which code books are used for the S1 exam?
The S1 exam is based on the International Building Code (IBC) and structural steel standards, including the AISC Steel Construction Manual and AWS D1.1 Structural Welding Code.
Is the S1 exam open book?
Yes. ICC exams are open-book. You are permitted to use the IBC, AISC, and AWS reference standards during the exam.
How long is the S1 voucher valid?
The voucher is valid for 12 months from the purchase date, allowing flexible scheduling.
Can the S1 exam be taken online?
Yes. The S1 exam is available via PRONTO online proctoring or at a Pearson VUE testing center.





