James Ashworth
Why the Examination Matters (and Why It Isn't as Intimidating as It Sounds)
If you own a canal boat, the safety examination is one of those appointments that can either pass in a relaxed half hour or turn into a costly saga. The difference is almost always in the preparation. Examiners are not looking for reasons to fail you; they are checking a set list of items that affect gas, fuel, ventilation, electricity and fire safety. Most failures are small, avoidable things: a perished gas hose, a blocked vent, a battery terminal left exposed.
The good news is that you can walk around your own boat a fortnight beforehand and catch nearly all of it yourself. Here is a practical routine, in the order that tends to matter most.
Start With the Gas System
Gas is where examiners are strictest, and rightly so. Begin at the cylinder locker. It should be sealed from the cabin, drained at the bottom so any leak escapes overboard, and free of anything that isn't gas equipment. A stray mooring rope or spare fender stuffed in there is an easy fail.
Next, examine the hose. Look for cracks, stiffness, or a dull, chalky surface. Gas hose has a date stamp on it, and if it is more than five years old it should be replaced regardless of how it looks. Check that it is the correct type for the installation and that it isn't stretched tight or kinked.
Then test for leaks properly. A bubble tester fitted to the system makes this a two-minute job. If you haven't got one, brush soapy water on every joint, turn the gas on, and watch for bubbles. Never use a flame.
Finally, check the ventilation. Gas appliances need a permanent low-level vent and a high-level vent. These are often blocked by insulation, paint, or a well-meaning bit of draught-proofing. Clear every one you find.
Ventilation, Fuel and Engine Spaces
Ventilation is not just about gas. Engine spaces, battery compartments and any space containing a fuel tank need air, and the examiner will measure the openings against the size of the space.
- Clear all vents of cobwebs, paint and debris, inside and out.
- Check that no vent has been partially covered by a new panel, solar cable or added shelving.
- Inspect fuel lines and connections for perishing, weeping or loose clips.
- Make sure the fuel tank filler and vent are sound and that the tank is securely mounted.
- Look for any petrol stored on board. Petrol in portable containers is a serious problem for a diesel boat and should not be there.
Electrical Systems and Batteries
Electrical faults cause a good share of fires on inland boats, and examiners know it. Have a careful look at your battery bank. Every battery should be securely restrained so it cannot slide or tip, and every terminal should be covered with a proper insulating cap or boot. Loose terminals and exposed positive posts are both common failures.
Follow the cables as far as you can and look for chafing where they pass through bulkheads, sharp edges or moving parts. Check for any scorched or discoloured insulation, and for the smell of hot plastic near chargers and inverters. Make sure your consumer unit is labelled, that circuits are correctly fused, and that there is no exposed wiring dangling in a locker or bilge.
Fire Safety and Escape Routes
The examiner will want to see that you could get out and put out a fire. On a boat with sleeping accommodation, there should be a smoke alarm and a clear means of escape from each sleeping area.
- At least two suitable fire extinguishers, mounted where you can actually reach them.
- A fire blanket within easy reach of the galley, ideally near the cooker.
- Smoke alarms tested and fitted with fresh batteries.
- Escape hatches and doors that open freely, with no padlocks, mooring pins or crates in the way.
- Extinguishers in date, with the gauge needle in the green.
Paperwork, Timing and Dealing With Problems
Gather your documents before the visit. Have the previous examination certificate to hand, along with any gas or electrical paperwork you hold, and note the boat's registration details. Make sure the examiner can get to the gas locker, the engine bay and the battery bank without you having to empty three cupboards on the day.
If you find something you cannot fix yourself, deal with it before the examination rather than hoping it slips through. Gas work should be done by someone competent, and a proper gas tightness test certificate is worth having. A small repair now is far cheaper than a failed examination, a re-test fee, and the same repair a month later.
Finally, be kind to yourself about the list. Every boat has one or two quirks, and no examination catches everything. Work through the items above, write down what you have done, and you will almost certainly find the visit a calm, straightforward affair — leaving you free to get back to the far more important business of cruising.
