N0018918QG253_SWOS_AST_Spill_Prevention_Issues.docx

Surface Warfare Officer School - Building 207 Aboveground Storage Tank (AST) Deficiencies

AST w/in Secondary Containment Berm

AST Saddle Support Buckled Outward On Left Side

Visible Space Between AST and Right-Side Saddle Support

Visible Space Between AST and Left-Side Saddle Support

Fuel Weeping from Return Pipe Fitting

Primary Vent Cap Not Installed. The fuel cap acts as the primary vent for this AST. Potential for AST to implode when fuel drawn through Discharge line.

Example of Correct Solution for Primary Vent Cap and Return Line.

This is EWTGPAC’s AST located on side of Building 207

Discharge and Return Piping Not Double-Walled. No general secondary containment for pressurized piping

Discharge and Return Lines Inside Building 207

· Secondary Containment Berm made with cinder blocks is not considered impervious to leaks as concrete. The floor and the concrete supports for previous AST are concrete. The two spaces on the left concrete support for previous AST would have to be filled, if a coating is considered as a solution.

· AST not labeled with NFPA Diamond, No Smoking w/in 50 Ft and Contents

· No sample valve. To check fuel sample. (Bottom of tank) image6.jpeg image7.jpeg image8.jpeg image9.jpeg image1.jpeg image2.jpeg image3.jpeg image4.jpeg image5.jpeg