Are you responsible for above ground storage tanks? If so, proper tank maintenance in Colorado is essential. This requires appropriate tank inspections.
Have you been scheduling these inspections as required? Failure to do so could be costly in both tank performance and fines. Use the following FAQ to ensure you are completing the necessary inspections.
How often do I need to complete above ground tank inspections?
For healthy tank maintenance in Colorado, you should complete tank inspections each month. This routine inspection will ensure the condition of the tank meets standards and remains healthy.
Every five years, you should complete an external inspection that includes an ultrasonic thickness inspection of the tank’s shell. At the tank’s 10-year mark, you should perform a thorough internal inspection. Future inspections from this date should be determined by the condition reported at this time.
What is involved in an above ground tank inspection?
A thorough inspection examines all aspects of tank maintenance in Colorado. Following is an overview of the various tests and inspections that may be performed on an above ground tank:
- Internal and external inspections: An inspector follows a checklist for these inspections, which may include the foundation, shell, plates, welds and appurtenances.
- Ultrasonic thickness testing: This test measures the thickness of the tank material and compares it to its original thickness. The results determine if the tank still has the minimum thickness required for the roof, floor, shell and nozzles.
- Vacuum box testing: This test examines the condition of the welds of the tank floor. It may not be required if the tank floor has a lining.
- Magnetic particle testing: If areas of concern are discovered during vacuum box or ultrasonic thickness testing, this test may be performed. It locates cracks in welds that may not be visible to the naked eye.
- Tank bottom examination: This inspection examines the tank bottom to look for corrosion. Magnetic flux leakage is a common method used for this test.
- Settlement survey: This inspection evaluates the foundation to ensure the tank is situated appropriately. Over time, a tank may settle and become unlevel. This can affect the integrity of the tank and its contents. The settlement survey reveals any tilting concerns.
What must I do to prepare for an inspection?
If your tank needs an internal inspection, you should clean the interior completely. Remove all product and water and clean the internal components. This will allow the inspector to properly view the tank and get an accurate reading of the tank’s current condition. Once the inspection is complete, the inspector will provide a report that informs you whether the tank meets regulation standards and recommends any repairs needed.
Prep Your Tank
Do you want your tank to pass its next inspection? Quality coatings are key to tank maintenance in Colorado. Before it’s time for your next inspection, contact the experts at DJC Enterprises Inc. Since 1984, we’ve been the industry’s go-to source for superior craftsmanship and service. We combine technical expertise with practical skills to provide high-quality surface preparation and coatings. Reach out to us today to learn more!
Categorised in: Tank Maintenance
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