A dredge working at a marina in Connecticut at dusk
X3 MaritimeGuide · how to fill it out

X3 Marine Construction,Field by Field.

Accident prevention plans, hazard analyses, over-water safety, floating cranes and permits for every job.

The rules your operation answers to
  • 46 CFR 136-144Subchapter M towing vessels
  • 46 CFR 199.180Monthly drills
  • 46 CFR 10.301Medical certificates
  • 46 CFR 16.230Random testing — 50%
  • 29 CFR 1915.12Confined & enclosed spaces
  • 29 CFR 1917.50Crane certification
  • 33 CFR 105.220Security drills every 3 months
  • 33 CFR 155.1060Spill response exercises
  • 46 CFR 4.05-10CG-2692 within 5 days
  • 46 CFR 4.06-32-hour / 32-hour test clocks
  • 46 CFR 28.270Fishing vessel drills
  • 46 U.S.C. 2101Six-pack passenger limit
  • 40 CFR 112Marina SPCC plans
  • 29 CFR 1926.106Working over water

Every record X3 Marine Construction keeps, the rule behind it, how often it comes due, and exactly what to type in each field — with where to find it on your own paperwork.

Accident Prevention Plan

USACE EM 385-1-1 (2024) · Before work starts; update when the work changes

The project's written safety plan. On Corps work it must be accepted before work starts and kept current as the job changes.

FieldWhat it isWhere to find itExample
APP accepted by the governmentThe day the government accepted the APP.The acceptance letter or transmittal.09/12/2026

Activity Hazard Analyses

USACE EM 385-1-1 (2024) · Before each phase of work; review as conditions change

A hazard analysis for each definable feature of work, accepted before that work begins and reviewed with the crew doing it.

FieldWhat it isWhere to find itExample
Definable feature of workThe phase of work this AHA covers.Your schedule of definable features of work.Pile driving from crane barge
Last reviewed with the crewThe day the crew last reviewed it.Your sign-in sheet.10/20/2026

Site Safety & Health Officer

USACE EM 385-1-1 (2024) · Training yearly; cards by their expiry

The site safety and health officer named in the APP, with the training your contract requires.

FieldWhat it isWhere to find itExample
OSHA 30-hour completedThe day they completed OSHA 30-hour construction.Their OSHA 30 card.05/05/2023

Working Over Water

29 CFR 1926.106 · Every day before work

Where people work over or near water: life jackets worn, ring buoys with at least 90 feet of line no more than 200 feet apart, and a lifesaving skiff ready.

FieldWhat it isWhere to find itExample
Checked before workThe day you checked.Walk the work area.10/27/2026

Cranes & Floating Plant

29 CFR 1926.1412 / 1926.1437 · Each shift, monthly and yearly

Every crane on the job: a competent person's shift and monthly inspections, a qualified person's annual inspection and a certified operator. Cranes on barges also follow the list and trim limits of 1926.1437.

FieldWhat it isWhere to find itExample
Last annual inspectionThe day of the annual inspection.The qualified inspector's report.03/10/2026
Operator certification expiresThe expiry on the operator's certification card.NCCCO or other certification card.07/31/2028

Diving Operations

29 CFR 1910 Subpart T · Every dive

Each dive with its person in charge, depth and team. OSHA's commercial diving rules require a safe practices manual and a dive plan on site.

FieldWhat it isWhere to find itExample
Max depth (feet)The deepest point of the dive.The dive log.35

Permits & Notices

USACE Section 10 / 404 · Coast Guard · By each deadline

Permits and notices for work in the water, each with its own conditions and deadlines.

FieldWhat it isWhere to find itExample
Expires or deadlineThe expiry date or deadline in the permit.The permit's conditions page.11/30/2026

Daily Safety Briefings

EM 385-1-1 / company program · Daily

The morning safety briefing with the day's hazards and who attended.

FieldWhat it isWhere to find itExample
HeldThe day of the briefing.Your sign-in sheet.10/27/2026

Safety Walkdowns

EM 385-1-1 / company program · Monthly, and before every exam or inspection

A walk-through with the checklist of the items inspectors and examiners write up most. Every fail becomes an open item with a due date.

FieldWhat it isWhere to find itExample
WalkedThe day you walked it.Your checklist.10/27/2026

Compliance information, not legal advice. Rules cited are current as we publish; confirm against the official eCFR.