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The Incident Safety Officer Job and NFPA 1550 in Drawings One Topic on Every Page

The ISO inside ICS, risk vs. benefit, the five construction types, collapse indicators and collapse zones, smoke reading, PAR and RIC, rehab, hazmat zones. Every topic has its own page: the drawing first, then what you need to remember. 62 illustrated pages.

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Every topic, its own pageThe ISO size-up drawn, with the explanation right beside it
62 illustrated pages8 parts, from the ISO's role in incident command to the 10-minute pre-exam review
Up-to-date sourcesNFPA 1550 (2024 edition), NFPA 1500 and FEMA NIMS/ICS
PDF by emailFormat

Look Inside the Book

Every page has one big drawing and a box with the numbers, rules and steps you need to know:

The ISO monitors the scene and advises the IC: Command Staff, reporting directly to the IC.
The ISO monitors the scene and advises the IC: Command Staff, reporting directly to the IC.
Significant risk for savable lives, limited for property, none for what's already lost.
Significant risk for savable lives, limited for property, none for what's already lost.
Type I keeps its structure; Type II bare steel warps around 1,000 °F and pushes walls.
Type I keeps its structure; Type II bare steel warps around 1,000 °F and pushes walls.
Bowed walls, new cracks, sagging roofs, smoke through mortar, odd sounds, fire on two floors
Bowed walls, new cracks, sagging roofs, smoke through mortar, odd sounds, fire on two floors
Smoke = CO, hydrogen cyanide, aerosols and particulates: fuel that hasn't burned yet.
Smoke = CO, hydrogen cyanide, aerosols and particulates: fuel that hasn't burned yet.
Tags, passports or electronic: who is in, where and with whom, checked against the scene.
Tags, passports or electronic: who is in, where and with whom, checked against the scene.
Secondary collapse, four void types, the search X and shoring: the ISO's collapse checklist
Secondary collapse, four void types, the search X and shoring: the ISO's collapse checklist
ICS 215A: hazards per tactic, with Ops, before the tactics meeting · ICS 208: optional safety message for the IAP
ICS 215A: hazards per tactic, with Ops, before the tactics meeting · ICS 208: optional safety message for the IAP

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These are real pages from the book. The table of contents is the full one: 8 parts and 58 topics.

The Problem Isn't You. It's How It Was Explained to You.

It's 11 p.m., you're home after a 24-hour shift, and the textbook is open to building construction. Five types, a string of three-digit codes, and none of it sticks.

The textbook covers Type I through Type V in paragraph after paragraph: fire-resistance ratings, hour values, exceptions. You've watched all of those buildings burn, but on paper they blur together.

Type I keeps its structure; Type II bare steel warps around 1,000 °F and pushes walls.

In this book, the five types sit side by side on one page: fire-resistive, noncombustible, ordinary, heavy timber, wood frame. Each one drawn, with its NFPA 220 codes under it (442 for Type I, 000 for unprotected steel, 2HH for heavy timber) and what each of the three digits means.

The rest works the same way: collapse indicators, the collapse zone, smoke reading, PAR, hazmat zones. Each one has its own page.

So when the exam asks which type has unprotected steel, or the IC asks what you're looking at, you picture the page and answer, without going back to the textbook.

COMPARE FOR YOURSELF

The Same Topic, Two Ways to Study It

THIS
  • The textbook: line after line
  • Risk vs. benefit explained only in words
  • You walk into the exam with doubts
Risk management principles applied at the incident scene require that the level of risk assumed by emergency responders be proportional to the potential benefit. Activities that present a significant risk to members shall be limited to situations where there is a potential to save endangered lives. Activities routinely employed to protect property shall be recognized as inherent risks, and actions shall be taken to reduce them. No risk to members shall be acceptable where there is no possibility of saving lives or property.
FOR THIS
  • Risk vs. benefit in one drawing
  • The three levels of risk in one box
  • You see it and you get it
Significant risk for savable lives, limited for property, none for what's already lost.
CONTENTS

Take a Look at the 8 Parts and 58 Topics

The ISO inside incident command, risk management, reading the building, collapse indicators and zones, smoke and fire behavior, accountability and rehab, special scenes and the post-incident review: 62 pages, all illustrated.

IThe ISO Inside Incident Command · pp. 5-11
  1. What the Incident Safety Officer Actually Does
  2. Health & Safety Officer vs. Incident Safety Officer
  3. Where the ISO Sits on the ICS Chart
  4. The ISO's Authority: Alter, Suspend, Terminate
  5. Arriving and Taking the ISO Role
  6. The ISO's Own Safety and Positioning
  7. Assistant Safety Officers and Span of Control
IIRisk Management on the Fireground · pp. 12-17
  1. Risk vs. Benefit in Three Lines
  2. The IAFC Rules of Engagement
  3. Offensive, Defensive, Transitional
  4. The Risk Management Cycle
  5. Two-In / Two-Out
  6. Situational Awareness and Tunnel Vision
IIIReading the Building · pp. 18-25
  1. The Five Construction Types at a Glance
  2. Type I and II: Concrete and Steel
  3. Type III: Ordinary Construction
  4. Type IV: Heavy Timber and Mass Timber
  5. Type V: Wood Frame, Balloon vs. Platform
  6. Lightweight Engineered Construction
  7. Loads and How Structures Fail
  8. Connections: Where Collapse Starts
IVCollapse Indicators and Collapse Zones · pp. 26-31
  1. Collapse Indicators: The List
  2. Time and Fire Load
  3. Roof and Floor Collapse Signs
  4. Parapets, Cornices and Facades
  5. Setting the Collapse Zone: 1.5 × Height
  6. Communicating and Enforcing the Collapse Zone
VReading Smoke and Fire Behavior · pp. 32-38
  1. Smoke Is Fuel
  2. Volume, Velocity, Density, Color
  3. Reading Smoke Color Correctly
  4. Ventilation-Limited Fires and Flow Path
  5. Flashover Warning Signs
  6. Backdraft and Smoke Explosion
  7. Wind-Driven Fires
VIAccountability, RIC, Air and Rehab · pp. 39-45
  1. Personnel Accountability Systems
  2. PAR: When to Call It
  3. Mayday and LUNAR
  4. Rapid Intervention Crews
  5. Air Management
  6. Rehab: When and How
  7. Heat Stress, Cardiac Events and Carbon Monoxide
VIISafety on Special Scenes · pp. 46-54
  1. Hazmat: Hot, Warm and Cold Zones
  2. Hazmat: PPE Levels A to D
  3. Trench Rescue
  4. Confined Space
  5. Structural Collapse Rescue
  6. Water and Rope Rescue
  7. Wildland: LCES and Safety Zones
  8. Highway and Roadway Incidents
  9. Electrical Hazards and Utilities
VIIIAfter the Incident and Final Review · pp. 55-62
  1. The Incident Safety Plan and ICS Forms
  2. Injuries, Exposures and Near-Misses
  3. Post-Incident Analysis Step by Step
  4. Learning from NIOSH Line-of-Duty Death Reports
  5. The ISO Size-Up in 5 Steps: The One-Page Map
  6. Key Numbers to Have at Hand
  7. Words That Get Mixed Up
  8. The 10-Minute Pre-Exam Review

One Page, One Topic, All Clear

Think of it this way:

You're the ISO on a working fire in an old two-story ordinary-construction building. The IC keys up and asks you for a collapse zone. You've got seconds, and no textbook.

You studied the collapse zone page, so that's what you see: the building drawn from above, the wall height, the zone marked out at one and a half times that height, and the tape line crews stay behind. You give the IC the zone without reaching for anything.

Smoke = CO, hydrogen cyanide, aerosols and particulates: fuel that hasn't burned yet.

Same with smoke reading, the IAFC rules of engagement, PAR, RIC and hazmat zones: each one on its own page.

Incident Safety Officer Illustrated is 8 parts and 58 topics, all drawn, with a one-page size-up map, the key numbers and a 10-minute pre-exam review at the end.

What you see drawn, you don't have to memorize.

What's Inside Incident Safety Officer Illustrated:

Ipp. 5-11

The ISO Inside Incident Command

Where the ISO sits on the ICS chart and when you can alter, suspend or terminate an action, so you know your authority before anyone asks. Also: health & safety officer vs. ISO, positioning and assistant safety officers.

IIpp. 12-17

Risk Management on the Fireground

Risk vs. benefit in three lines, the IAFC rules of engagement, offensive, defensive and transitional, the risk management cycle, two-in/two-out and tunnel vision.

IIIpp. 18-25

Reading the Building

The five construction types side by side, Type I to Type V with their NFPA 220 codes, so you can name a building and know how it behaves under fire. Also: balloon vs. platform frame, lightweight engineered construction, loads and connections.

IVpp. 26-31

Collapse Indicators and Collapse Zones

The list of collapse indicators, time and fire load, roof and floor signs, parapets and facades, setting the collapse zone and enforcing it.

Vpp. 32-38

Reading Smoke and Fire Behavior

Smoke as fuel, volume, velocity, density and color, flow path, flashover and backdraft warning signs, and wind-driven fires.

VIpp. 39-45

Accountability, RIC, Air and Rehab

Accountability systems, when to call a PAR, Mayday and LUNAR, rapid intervention crews, air management, rehab, heat stress, cardiac events and CO.

VIIpp. 46-54

Safety on Special Scenes

Hazmat zones and PPE levels, trench, confined space, structural collapse, water and rope rescue, wildland LCES, highway incidents and utilities.

VIIIpp. 55-62

After the Incident and Final Review

The incident safety plan and ICS forms, injuries and near-misses, post-incident analysis, NIOSH line-of-duty death reports, the one-page size-up map, key numbers and the 10-minute review.

At the end of the book: A one-page size-up map, the key numbers at hand, words that get mixed up and a 10-minute pre-exam review.

Plus: 2 Free Books

ISO Exam-Style Practice Questions

BONUS 1: «ISO Exam-Style Practice Questions»

Value on its own: US$ 17.90

Test yourself chapter by chapter with exam-style questions, each with the answer explained and the page to review, so you know what you've got down and what needs another look.

15 Common ISO Mistakes: Before & After

BONUS 2: «15 Common ISO Mistakes: Before & After»

Value on its own: US$ 14.90

See the 15 mistakes most often made in the ISO role, each drawn side by side with the right call, so you don't repeat them on the exam or on the fireground.

Incident Safety Officer Illustrated with 2 Free Books

  • Incident Safety Officer Illustrated: 62 illustrated pagesUS$ 63
  • BONUS 1: ISO Exam-Style Practice QuestionsUS$ 17.90
  • BONUS 2: 15 Common ISO Mistakes: Before & AfterUS$ 14.90
  • High-resolution PDF to printIncluded
Total value US$ 95.80
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PDF by email: We email you Incident Safety Officer Illustrated as a PDF, together with the two free books. It's a single payment: no installments, no extra charges.

Who This Book Is For

You're studying for ISO certification

You're studying for ISO certification

Every topic in the course has its own drawn page, so what you read after a shift has a picture to hang on.

Your exam is coming up

Your exam is coming up

The one-page size-up map, the key numbers and the 10-minute review let you go over the whole job the night before. The exam-style questions show you what still needs another look.

You already cover the ISO role on shift

You already cover the ISO role on shift

Print the pages you use most and keep them in the rig: construction types, collapse indicators, smoke, PAR, always in the same order.

Everything You Get Today

US$ 95.80US$ 27
YES, I WANT INCIDENT SAFETY OFFICER ILLUSTRATED FOR US$ 27

📄 This is a digital PDF book sent to your email: nothing is printed or shipped.

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We refund everything if the file won't open, if the book isn't what you see here, if you were charged twice or if the email doesn't arrive. Just email us.

You pay once. No subscriptions.

Frequently Asked Questions

Is it for me if I've been on the job 20+ years and now need ISO certification?

Yes. It won't explain what a hose line is. It takes the ISO course topics and puts each one on a drawn page, so you can put what you already know in order and review it fast.

Where does the content come from?

It's cross-checked against NFPA 1550 (2024 edition, which incorporated NFPA 1521 and NFPA 1561), NFPA 1500 and FEMA's NIMS/ICS. If your course textbook still cites NFPA 1521, ask your academy which edition the exam follows, and use the book next to your course material.

Is it official material?

No. It's an independent study guide, not affiliated with NFPA, Pro Board, IFSAC or any state fire academy. It doesn't give you a certificate or CE hours: certification comes from your academy's ISO exam.

Does it replace the ISO course?

No. It goes alongside the official course, your department's SOPs and hands-on training. It helps you study and review.

Are the practice questions the ones on the exam?

No. They're exam-style questions written for this book, each with the answer explained and the page to review. They aren't official questions from any exam.

When and how do I get it?

The book and the 2 bonus books come as PDFs by email, to the address you enter at checkout.

Do I have to pay every month?

No. It's a one-time payment.

Can I have it on paper?

Yes. It's a printable PDF: print the whole book or just the pages you want to keep in the rig.

How does the refund work?

You have 30 days. We refund everything if the file won't open, if the book isn't what you see on this page, if you were charged twice or if the email doesn't arrive: just email us.

Before You Close This Page

No more rereading with nothing to show for it.

The five construction types: you see them drawn, and you've got them.

You walk into the exam knowing where everything is.

Drawings make studying faster.

The book is right below.

One-time payment: US$ 27 · Guarantee: 30 days · PDF by email

YES, I WANT INCIDENT SAFETY OFFICER ILLUSTRATED FOR US$ 27

📄 This is a digital PDF book sent to your email: nothing is printed or shipped.