Sun Life Financial Tank Inspection

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CommTank conducted a tank and fuel inspection of one 4,000-gallon and three 330-gallon aboveground storage tanks (ASTs) at the Sun Life Financials facility in Wellesley Hills, MA.

Aboveground Storage Tank Inspection STI SP001

Exterior:

• Reviewed previous inspection reports
• Performed overall visual appearance inspection
• Inspected for localized defects
• Performed a walk around inspection to identify damage to the tanks
• Inspected piping, connections and fittings
• Verified the Omntec leak detection equipment was operating properly
• Performed an ultrasonic thickness test using GE Panametrics Model 37DPIUS Ultrasonic Thickness Gauge

CommTank provided a written Outcome Report that included the following information:

• A written summary and recommendation based on the inspection results
• The recommended date for the next inspection, based on the
• deterioration rate calculated
• Photos of interior and exterior of tank

Fuel Inspections

CommTank technicians conducted a fuel inspection in accordance with ASTM 04176-04(2W9). Two test methods were used to estimate the presence of suspended free water and solid particulate contamination in the diesel tanks.

• Placed approximately 900 ML of fuel into a clean glass -I-L jar.
• Examined fuel for clarity (placed a standard bar chart behind the sample and compared its visual appearance with the standard haze rating photos).
• Swirled sample and examined for visual sediment or water droplets below the vortex.
• Provided inspection report.

The individual sample qualities were reported as follows:

• Clear and Bright - Pass
• Free Water - Pass (absent)
• Particulates - Pass (absent)

The report included the numerical rating of the sample and a noted whether particles or water droplets were found in the bottom of the sample container.

About the Author: Dan Hoag

Dan Hoag has worked in the environmental and tank storage industry for 16 years. Dan’s range of expertise includes designing systems for oil spill clean-ups, treating soil contamination through "in situ" oxidation and testing, and inspecting underground storage tank systems. As head of Marketing and Information Technologies at CommTank, Dan draws from field experience to write about fuel, water and chemical storage technologies, and the regulations that affect them. He has developed training courses in home inspection, underground storage tank operator, ultrasonic thickness and tank tightness testing. Over the past decade, Dan has published over 60 articles about industry trends and has documented commercial, residential, and environmental projects through illustration, videos, and photography. When Dan unplugs from technology, he spends his time backyard farming, hiking, and kayaking, while masquerading as a hockey player during the wee hours of the morning.