One-Year Tank Inspection & B620 Compliance

A one-year tank inspection is the annual certification check required under CSA B620 to keep your tank truck compliant between full five-year cycles. As a B620 certified facility, we perform this B620 annual inspection on petroleum, propane, chemical, and food grade units, covering the external visual and leakage checks your tank needs every twelve months. Book your annual tank inspection below.

What Is a One-Year Tank Inspection?

Unlike the five-year cycle, which opens the tank for internal inspection and hydrostatic testing, a B620 external visual inspection checks the outside of the tank, its fittings, valves, and safety equipment, alongside a tank truck leakage test to confirm nothing is leaking under normal operating pressure. Together, these make up the yearly tanker inspection every CSA B620 tank must pass to stay certified.

One-Year Tank Inspection Requirements

One-year tank inspection requirements apply to every highway tank operating under CSA B620, regardless of product class. B620 annual requirements call for this inspection every twelve months, with documentation kept on file and available for review. Petroleum, propane, chemical, and food grade units, including those built to TC406 spec, all fall under the same annual inspection for TC406 tanks cycle.

What's Included in Our One-Year Inspection

Following our annual tank truck inspection checklist, we check:

How This Differs From Your 5-Year Inspection

A tank truck annual leakage test Canada requires every year is lighter than the five-year cycle. The one-year inspection covers the outside of the tank and its fittings, while the five-year inspection adds internal visual inspection, thickness testing, and hydrostatic testing of the tank shell itself. Most fleets need both, on their respective schedules, to stay fully certified.

One-Year Inspection in Calgary & Across Canada

Looking for tank truck external visual inspection Calgary fleets trust, or an annual B620 inspection near me that handles your specific tank type? Our team provides annual tank inspection service across Calgary and Canada, covering petroleum, propane, water, chemical, and food grade units.

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“Dependable Truck & Tank delivered exactly what we needed. The quality of the tank and the attention to detail were outstanding. Their team was professional from start to finish.”

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Book Your One-Year Inspection

Keep your tank truck compliant year-round. Contact our team to schedule your one-year tank inspection or B620 annual inspection today.

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Explore our recent custom tank truck fabrications engineered right in our shop. From pressure-rated propane bobtails and TC406 fuel tankers to specialized municipal and commercial units, see the craftsmanship, heavy-duty chassis integrations, and code-compliant builds we deliver to fleets across Canada.

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FAQ

Frequently Asked Questions

What is a one-year tank inspection?
A one-year tank inspection is the annual B620 certification check covering external visual inspection and leakage testing for tank trucks.
The one-year cycle checks the tank’s exterior and fittings, while the five-year cycle adds internal inspection, thickness testing, and hydrostatic testing.
An external visual tank inspection checks the shell, welds, valves, vents, and safety equipment for damage, corrosion, or wear.
Yes, every annual inspection for TC406 tanks follows the same external visual and leakage test requirements as other tank types.
We provide tank truck external visual inspection Calgary fleets rely on, along with nationwide annual inspection service across Canada.
If your tank fails, our in-house team can typically complete repairs on-site, then retest before completing your certification.