Cat 1
API 1169 Safety, Quality & Environmental Inspection
On API 1169, OSHA questions are the ones flagged "according to OSHA", and you answer them only from the 29 CFR 1910 and 1926 extracts shown on screen, which you can scroll but cannot search. The rest of this category splits two ways: FERC wetland and waterbody limits you can look up on the same screen, and quality records, the inspector's authority and ethics, which come from closed-book API RP 1169 and API Spec Q1.
Scope
What category 1 asks, and where the answers live
The exam draws on five main categories: inspection and management knowledge areas, front-end construction, installation construction, back-end construction and post-construction; at least one question comes from each, and API publishes no weights. Category 1 is the widest of them. Our estimate, built from the topic lists in the Body of Knowledge, puts it at 35–45% of the scored questions, so somewhere near 35 to 45 of the 100 that count. That range is ours: API prints no number for it.
- 1. Inspection & management35–45%
- 2. Front-end construction8–12%
- 3. Installation construction25–36%
- 4. Back-end construction15–22%
- 5. Post-construction3–10%
All four sub-areas trace back to section 4 of API RP 1169, the foundational chapter, rather than to the construction-sequence chapters of its Annex A. That tells you what kind of question to expect: who is allowed to do what, which record proves it, and which rule sets the limit.
| Sub-area | Where it sits in RP 1169 section 4 | On screen or from memory |
|---|---|---|
| Site safety & OSHA | 4.4 worker, site and construction safety; 4.12 incident reporting | OSHA numbers on screen (29 CFR 1910/1926); stop-work and JSA rules from memory |
| Quality assurance & records | 4.5 quality, deficiencies, non-conformance; 4.9 records; 4.11 equipment calibration | From memory: RP 1169 and API Spec Q1 sections 3 to 5 |
| Environmental & permits | 4.6 environmental | FERC procedures and 50 CFR 21 Subpart B on screen; permit conditions come from the project |
| Training, qualifications & conduct | 4.2 authority; 4.3 code of conduct; 4.10 personnel qualifications | From memory: RP 1169, with welder qualification from API 1104 |
One more rule shapes this category: you may work from US or Canadian references; questions target the content the two overlap on, and items marked 'according to OSHA' are answerable only from 29 CFR 1910/1926. That last clause is the important one here, because a stem that says "according to OSHA" has already told you which PDF to open.
Safety: reading "according to OSHA" without Ctrl+F
"According to OSHA" is a scope instruction. It says the answer is whatever 29 CFR 1910 or 1926 states, even when an owner company spec, a Canadian rule or your own site habit is stricter. So an option quoting a tougher company rule can be true on a real job and still be the one you strike.
Without search you move through the PDF by part and section number, which means learning the map before exam day. The extracts are short, though: only the sections the Body of Knowledge names are there.
| Topic | Where it sits | What gets asked |
|---|---|---|
| Excavation and trenching | 1926 Subpart P (1926.650 to .652) | protective systems, ways out, spoil, inspections, atmosphere, soil slopes |
| Fall protection | 1926.500 to .501 | the height that triggers protection on construction work |
| Flammable liquids | 1926.152 | storage cabinets and distance from ignition sources |
| Rigging and slings | 1926.251, 1910.184 | sling inspection and removal from service |
| Cranes | 1926.1417 | operation and the operator's duties during a lift |
| Motor vehicles | 1926.601 | brakes, back-up alarms, seat belts on site equipment |
| Explosives | 1926.902, 1926.914 | transport on site and blasting terms |
| Lockout/tagout, confined space | 1910.147, 1910.146 | isolating energy; what makes a space a permit space |
| PPE, signs and tags | 1910 Subpart I, 1926.102, 1910.145 | hazard assessment, eye and face protection |
| General provisions and the rest | 1926 Subpart C, 1926.62, 1926.451, 1910.119 | concept level: lead, scaffolds, process safety |
Excavation: numbers that arrive in near-miss pairs
Subpart P is where most look-up safety numbers come from, and the exam likes to pair a value with its neighbour from the next rule. Learn each value with its trigger, not on its own.
| Rule | Value | Section | The distractor parked next to it |
|---|---|---|---|
| Protective system (sloping, shoring, shield) | 5 ft deep or more, not needed in stable rock | 1926.652(a) | 4 ft, which is the egress trigger |
| Stairway, ladder or ramp | 4 ft deep or more, within 25 ft of lateral travel | 1926.651(c)(2) | 5 ft; 50 ft |
| Protective system designed by a registered engineer | deeper than 20 ft | 1926.652(b), (c) | any depth over 5 ft |
| Spoil and equipment set back | at least 2 ft from the edge | 1926.651(j)(2) | "as far as practical" |
| Competent-person inspection | daily before work, and after rain or anything else that raises the hazard | 1926.651(k) | weekly, or only after a cave-in |
| Atmosphere testing | before entry into excavations over 4 ft where a hazardous atmosphere could exist | 1926.651(g) | only after someone feels unwell |
| Hazardous atmosphere | oxygen below 19.5%, or flammable gas above 20% of the LFL | 1926.651(g) | 10% LFL, the confined-space figure |
| Maximum slope, under 20 ft deep | Type A ¾:1, Type B 1:1, Type C 1½:1 | Subpart P, Appendix B | the same three ratios on the wrong soil types |
| Fall protection, construction | 6 ft | 1926.501(b)(1) | 4 ft, the general-industry figure |
Stop work, or escalate?
RP 1169 gives the inspector a short list of powers. Stopping work is on it when people or the environment face imminent danger: a trench wall sloughing with a worker below, a fuel leak running toward a stream. For pressure testing, INGAA CS-S-9 goes further and lets anyone on site stop the test when they see an unsafe condition. Anything short of danger climbs a ladder instead:
Talk it through
Raise the deviation with the contractor's foreman or supervisor and point to the spec clause. Most items end here.
Verbal warning, with notice
If it continues, warn again and tell your chief inspector, so the owner side knows.
Written warning
Put it on paper, with the stations, times and what was said. It goes in the daily report.
Stop the affected work
The last rung, and only for the activity that is out of spec, not the whole spread.
Two distractor shapes live around this ladder. One under-reacts ("note it in the daily report and keep watching" while the danger is live). The other over-reaches (halting the whole job over a missing signature). Strike both and the survivor is usually the rung that matches the severity in the stem. On the job safety analysis the inspector takes part and raises hazards; the contractor owns the JSA, so an option where the inspector rewrites it is overreach too.
Digging near lines that are already there
CGA Best Practices set the tolerance zone at the width of the facility plus 18 in on each side; inside it you expose by hand or vacuum excavation. Do not confuse that 18 in with the 12 in clearance between the new pipe and other underground structures in 49 CFR 192.325 and 195.250. Marks follow the APWA colours: yellow for gas, oil and steam, red for power, orange for communications, blue for drinking water, green for sewer, purple for reclaimed water, pink for temporary survey and white for the proposed dig. The full locating workflow sits in front-end construction, which the study guide maps.
OSHA
QA
Quality assurance: verify, witness, document, report
The inspector is the owner company's representative on non-financial matters, and nearly every QA question turns on that line. Options built on the inspector's verbs (verify, witness, document, report, escalate) tend to survive. Options where the inspector does the work, directs the crew's method, approves money or changes the design are the first two you strike.
| Task | Who owns it | What the inspector does | The option to strike |
|---|---|---|---|
| Doing the work and running the tests | Contractor | Witnesses and records the result | the inspector performs the test |
| Choosing how the work is done | Contractor | Checks the result against the spec | the inspector shows the crew a better method and tells them to use it |
| Correcting a deviation | Contractor, through its supervision | Raises it with the contractor's supervision and follows up | the inspector fixes it |
| Extra work, cost, change orders | Owner's project management | Records quantities, stations and photos | the inspector signs off the extra pay |
| Design changes | Engineer, through management of change | Flags the field condition | the inspector approves a reroute on the spot |
| Regulatory compliance | Operator, ultimately | Verifies and documents | the inspector carries the legal duty |
Deficiency or non-conformance
RP 1169 separates the two by scale and impact. The exam tests the boundary, so learn the split row by row.
| Aspect | Deficiency | Non-conformance |
|---|---|---|
| Scale | Isolated, a one-off | Recurring, or a single major deviation |
| Impact | None on safety, environment, integrity, cost or schedule | Touches at least one of them |
| What it takes | Noted in the daily report, put right in the field | A non-conformance report, a root-cause look, corrective action and a verified close-out |
| Field example | One field joint missing its stencil, fixed the same day | The same coating holiday pattern on a week of joints from one crew |
Records the exam expects you to know
The daily inspection report is the backbone: date and weather, stations worked, crews and equipment, the activities you watched, delays and their causes, deviations raised and how they were closed, and photos. Around it sit the pipe tally with heat numbers, weld and NDE maps, coating reports, as-built redlines and test records. Keep one distinction from Q1 in mind: a document tells people what to do and is revised under control; a record proves what was done and is never revised after the fact.
Calibration and traceability
Before a contractor instrument is used, you check its current calibration certificate: holiday detectors, pressure recorders, dead-weight testers, thermometers, gauges. When an instrument fails a check, the question moves to the readings already taken with it, and the feed below has a scenario on exactly that. For material, the mill test report and heat number are the chain. Pipe or fittings with no matching paperwork get tagged and set aside until traceability is resolved; "use it in a low-stress spot" is the convenience answer the exam wants you to strike.
The rest of the Q1 vocabulary in sections 3 to 5 is short and testable: the inspection and test plan with its hold and witness points, management of change, document control, supplier evaluation, and inspection and test status.
Environmental: FERC procedures, SWPPP and the permit
The FERC Wetland and Waterbody Construction and Mitigation Procedures of May 2013 are on screen, and their numbers come in two tiers: distances of 50 and 100 ft, and in-stream times of 24 and 48 hours. Before you read the options, decide which tier the stem is about. A setback question about workspace and one about fuel look identical until you spot the noun.
| Rule | FERC value | Strike this neighbour |
|---|---|---|
| Minor waterbody | up to 10 ft wide; open-cut in-stream work finished within 24 hours | 48 hours |
| Intermediate waterbody | over 10 ft and up to 100 ft wide; within 48 hours | 24 hours |
| Major waterbody | over 100 ft wide; a crossing plan written for that site | a fixed hour limit |
| Extra workspace | at least 50 ft back from the water's edge or wetland boundary | 100 ft |
| Refuelling, hazardous material storage, overnight parking | at least 100 ft from wetlands and waterbodies | 50 ft |
| Construction right-of-way through a wetland | 75 ft wide or less | 100 ft |
| Topsoil in an unsaturated wetland | segregate up to the top 1 ft over the trench line | the full ROW width |
| Spoil beside a waterbody | at least 10 ft from the water's edge | 2 ft, the OSHA trench figure |
| Environmental Inspector | at least one on each construction spread | one per project |
Storm water is a different animal. The SWPPP and its best management practices (silt fence, slope breakers, sediment barriers, inspection after rain) are set by the project's permit, so the right answer is often "as the permit or SWPPP requires". An option that gives a crisp number no listed reference contains is more likely invented than right.
Migratory birds sit in 50 CFR 21 Subpart B, also on screen. The field move when a crew finds an active nest in the work area is to hold that work and bring in the environmental inspector, not to move the nest. Hydrostatic test water follows the same logic: where it is drawn from, how it is discharged, energy dissipation at the outlet and whether any additive is allowed are all permit conditions, which the inspector checks and records.
If an option says the work follows the permit and another says someone agreed to skip it, the permit wins and the agreement is the distractor.
FERC
Conduct
Qualifications and the code of conduct
On qualifications the inspector checks paperwork, not skill. Welders and welding procedures are qualified to API 1104 (or the route the CFR allows), radiographs and other NDT results are interpreted only by Level II or III personnel, and covered tasks need operator qualification records. Your job is to confirm the record exists and matches the person and the task. An option where the inspector tests the welder personally fails on role, the same way as in QA.
The code of conduct in RP 1169 section 4.3 is short, and the exam turns it into small scenes. Each one has a tempting answer that sounds reasonable and quietly bends a rule:
| Situation | The move that survives | The option to strike first |
|---|---|---|
| A contractor offers a gift, a meal or event tickets | Decline, and report the offer | accept if it is small, or if the whole crew shares it |
| A reporter or a government visitor at the right-of-way asks about a problem | Refer them to your supervisor | explain it yourself to clear things up |
| Someone outside the project asks for project data | Keep it confidential | share the parts that seem harmless |
| You are unsure what the spec requires | Ask the chief inspector rather than assume | decide from what worked on your last job |
| Accepting or rejecting work | Decide on quality evidence only | let the schedule or a friendly crew tip it |
Objectivity ties these together: the same standard for every contractor and every crew, with no personal tie shaping a call. When two options both sound ethical, pick the one that routes the matter through your supervisor instead of solving it alone.
Ruling answers out in category 1
The method is the same four moves on every item here. The first two clear most of the field before any number comes into play.
Read the four options first
Numbers with units send you to a PDF; four actions send you to RP 1169 roles. You then read the stem once, already knowing what you are hunting for.
Strike the wrong party
Any option where the inspector performs the work, directs the method, signs off money or changes the design goes first.
Strike the wrong size of response
Under-reaction to danger and over-reaction to paperwork both fail. What is left matches the severity in the stem.
Split the last two by document
The two survivors usually come from neighbouring documents: OSHA against a company spec, FERC against 49 CFR 192. Name the document the stem points to and one of them falls.
| Pair | Right for | Wrong for |
|---|---|---|
| 4 ft / 5 ft | egress / protective system | each other |
| 25 ft / 50 ft | lateral travel to a ladder / FERC workspace setback | each other |
| 50 ft / 100 ft | FERC workspace / fuel, hazmat and parking | each other |
| 10% / 20% LFL | permit confined space (1910.146) / excavation (1926.651) | the other document |
| 12 in / 18 in | pipe clearance (192.325, 195.250) / CGA tolerance zone each side | each other |
| 4 ft / 6 ft | general-industry fall protection / construction fall protection | an "according to OSHA" construction stem asking for 4 |
| 24 h / 48 h | minor / intermediate waterbody in-stream time | each other |
Method
Drill
12 questions from category 1
9 on quality, records and conduct, 3 on OSHA safety look-ups. Read the options first, strike two, then pick; the note under each answer says why every option stands or falls. The mixed set across all five categories is on the free practice test.
Press × to strike an answer you have ruled out, then pick from what is left. Keys: A–D or 1–4 pick, Shift+1–4 strikes. The verdict, the reasoning and a note on every option open in place.
Category 1 · Inspection & management12 questions
Q 01Cat 1 · Inspection & management
Under API Q1, suppliers of purchased products that affect quality must be:
Q 02Cat 1 · Inspection & management
Under API Q1, nonconforming product must be identified and controlled mainly to prevent its:
Q 03Cat 1 · Inspection & management
An undercut on one weld is ground and re-inspected, but no one investigates why it happened. Under API Q1 terminology, this is:
Q 04Cat 1 · Inspection & management
A pressure gauge used for yesterday's tests is found out of calibration today. What should happen to the results measured with it?
Q 05Cat 1 · Inspection & management
An inspector sees a welder skipping the specified preheat. To whom should the inspector direct the instruction to correct it?
Q 06Cat 1 · Inspection & management
The inspector's former employer asks for copies of the current project's welding procedures. The inspector should:
Q 07Cat 1 · Inspection & management
According to OSHA, while an excavator loads spoil into a dump truck, the truck driver may:
Q 08Cat 1 · Inspection & management
According to OSHA, a single storage cabinet may hold no more than ___ gallons of Category 1–3 flammable liquids.
Q 09Cat 1 · Inspection & management
According to OSHA, ignition sources must be kept at least how far from operations involving Category 1–3 flammable liquids?
Q 10Cat 1 · Inspection & management
The foreman asks the inspector to sign a form approving extra pay for rock found in the ditch. The inspector should:
Q 11Cat 1 · Inspection & management
An inspector shows a tie-in crew a different way to align the pipe ends and tells them to use it. The main problem is that the inspector:
Q 12Cat 1 · Inspection & management
Under API Q1, a completed and signed inspection checklist is classified as a:
Before the next category
Before you move on
- "According to OSHA" means the 29 CFR 1910/1926 extract on screen, even when a company rule is stricter.
- Learn each Subpart P number with its trigger: 4 ft for a way out, 5 ft for a protective system, 20 ft for an engineer's design.
- The inspector verifies, witnesses, documents and reports; doing the work, directing the method and approving money belong to someone else.
- Deficiency is isolated with no impact; non-conformance recurs or matters and gets an NCR with root cause.
- FERC distances come in 50 and 100 ft; find the noun (workspace or fuel) before you look at the numbers.
The other live category is installation construction, where welding, NDE and coating carry the numbers. The study guide lays out all five categories and the planned guides, the exam format page covers scoring and the on-screen references, and the Spreadcheck home page has the short route through the whole site.
Next
FAQ
Questions people ask
What are the key safety topics involved in pipeline construction?
For the exam they are the ones in the OSHA extracts: excavation and trenching under 29 CFR 1926 Subpart P, fall protection, flammable liquids, rigging and cranes, lockout/tagout, confined spaces, PPE and explosives. Around them sit three judgement topics from RP 1169 and CS-S-9: stop-work authority, the job safety analysis, and digging near existing lines inside the CGA tolerance zone.
What does "according to OSHA" mean on the API 1169 exam?
It limits the answer to what 29 CFR 1910 or 1926 says, read from the on-screen PDF, even if a company spec or a Canadian rule is stricter. The PDF has no search, so you navigate by section number.
What is the difference between a deficiency and a non-conformance?
A deficiency is an isolated deviation with no effect on safety, the environment, integrity, cost or schedule; it is noted and put right in the field. A non-conformance recurs or has one of those effects, and it gets a non-conformance report, a root-cause look and corrective action that someone verifies.
When can a pipeline inspector stop work?
Straight away when people or the environment face imminent danger; for pressure tests, CS-S-9 gives that authority to everyone on site. Ordinary spec deviations go up a ladder first: discussion, a verbal warning with notice to the chief inspector, a written warning, and only then a stop of the affected work, never the whole spread.
Which documents for this category are closed book?
API RP 1169, API RP 1110, API Spec Q1 (Sections 3 to 5), CGA Best Practices, INGAA CS-S-9 and API Std 1104 or CSA Z662, per API as of October 2026. For category 1 the heavy ones are RP 1169 section 4 and Q1 sections 3 to 5. Check the current list on API 1169 effectivity sheet (PDF).
End of the spread: keep ruling answers out
END