For special inspectors taking the ICC S1 Structural Steel and Bolting exam

ICC S1: find your weakest domain

Free ICC S1 practice: 10 questions, answers explained as you go, score by domain.

Full course $99: 218 practice questions, each explained. See the course

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Question 1 of 10 · free checkUntimed

High-Strength Bolting

On a fictional project, which joint type requires the inspector to check the faying surfaces against a surface class shown on the drawings?

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The free check uses the same question style and explanations as the course.

High-strength bolting is the largest share of the S1 outline. Take the free 10-question check of original questions, explained as you answer, and see your weakest domain.

Original practice material. Not affiliated with ICC, AISC or AWS.

How it works

  1. Answer 10 questions, freeUntimed. Check each answer to see why it's right, with a hint where one helps.
  2. See your score by domainBroken down by outline domain, with your weakest one named.
  3. Study what you missedAdd your email and exam date for a study plan, or practice at exam pace.

    Want exam pace? Take the 25-question practice test (about 50 minutes)

The ICC S1 course

Available now · instant access

Learn each S1 outline area, then prove it on timed practice exams.

  • 8modules of lessonsEvery task on the outline
  • 3full-length timed exams60 questions in 120 minutes each
  • 218practice questionsEach one explained
  • 1week-by-week study planSet to your exam date

Tack, your AI study assistant, comes with the ICC S1 course: a week-by-week plan from your exam date and weak areas, step-by-step walk-throughs and a weak-spot quiz. Up to 40 messages a day.

  • My study plan: a week-by-week course from your exam date and weak areas, with today's set ready. Lose a week and I re-plan it
  • Stuck on a question? Tap Walk me through it, Explain like I'm new or Show a worked example
  • A quiz on your weak spots, your misses back on a spaced review, and explain it back to me to lock it in
  • After 30 answers, I show you the patterns in your misses and a practice set for each one
  • Exam week: a day-by-day plan for your last 7 days
See all 8 modules
  1. Duties and Responsibilities; Notification of Discrepancies; Inspection and Test Reports
  2. Material Identification
  3. Material Sampling
  4. Bolts, Nuts, and Washers
  5. Pre-installation Verification
  6. Installation, Testing, and Inspection
  7. Orientation and Frame Member Sizes
  8. Base Plates
S1 course$99Get the S1 course · $99

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Every answer comes with a full explanation.

AI study assistant

Ask Tack why an answer is right

AI study assistant

Tack AI

Tack is your AI study assistant. Answer a question, then ask Tack why.

Example

Why is that one wrong?

TackI'll show you why the right answer works, why each other option falls short, and where to look it up.

Example of how I explain. Answer question 1, then tap Ask Tack why. 3 free asks, 10 more with your email. I'm AI, so check important details against your references. Meet Tack

Answer question 1, then ask me why

Free ICC S1 study plan

A week-by-week plan from today to your exam, weighted to the published exam outline. We show it here and email you a copy.

Exam at a glance

Format
60 questions in 120 minutesBook: Open book (S1 content outline). Bound print references with ink notes and permanent tabs. Which references and editions are allowed is unconfirmed
Delivery
PRONTO (online proctored testing)
Exam fee (paid to ICC, not us)
$210.00 shown on the ICC Store page for each of S1C and S1P; the GR fee and member prices are unconfirmed. Purchases are final and valid 365 days
Retakes
Six attempts within six months per national exam, the fee at every attempt; after six, wait six months from the first attempt

What it covers

General Requirements11%
Material Sampling, Testing, and Verification22%
High-Strength Bolting41%
Steel Framing Observation26%

The free 10-question check follows these domains, subject to the available practice questions.

ICC S1 exam prep FAQ

How long is the free check?

The free check has 10 practice items, is untimed and takes about 20 minutes. You see the answer and explanation after each item.

What does the free check cover?

The four domains of ICC's S1 content outline: high-strength bolting, steel framing observation, material sampling and testing, and general requirements. You see which domain to study first.

Is the check free?

Yes. You can start the check and see your score and weakest domain for free, with no signup or payment. Your score in each domain unlocks when you add your email.

What do I see after finishing?

You get your score, your weakest domain and what the ICC S1 Structural Steel and Bolting course holds for it. Add your email to see your score in each domain and get a free study plan.

Where do the practice questions come from?

Every question is original and written to ICC's S1 content outline. We never reproduce code text. The check does not predict your exam score or certification outcome.

How is the ICC S1 exam set up?

ICC sells S1 as three module exams: S1C Structural Steel and Bolting Codes (60 questions in 2 hours), S1P Structural Steel and Bolting Plans (30 questions in 1.5 hours) and Special Inspector General Requirements. Our timed practice exams follow S1C.

Which references can I bring?

ICC's S1 content outline says the exam is open book. ICC's Exam Catalog lists the references and editions allowed and the passing score, so check it before you buy books.

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