Meeting SPCC Regulations: What Size Transformer Oil Containment System Do I Need?

Secondary oil containment around transformers is critical for capturing oil spills and protecting the environment. SPCC regulations provide guidance for containing oil-filled equipment. The rule specifies sizing oil containment systems to contain the contents of the largest vessel – or in this case, the transformer inside the containment area. Add 10 percent to the volume […]

Hydrostatic Pressure Test Proves This New Secondary Containment Solution Won’t Leak

An electric utility installed a 60 mil HDPE liner and sump pump for secondary containment at a transformer pit. A few months later, a site inspector checked the pit’s sump can. Surprisingly, it contained no water. With an impervious liner system, water should only be released via a drainage mechanism. The empty sump can indicate […]

SPCC Requirements for Transformers: 3 Questions to Ask

Substation transformer failures have the potential to release large amounts of oil, which can pollute the environment and damage plant and animal life. Any incident of this nature draws negative media coverage and results in costly cleanup operations. A power utility in Brooklyn experienced this firsthand in 2017 when a catastrophic transformer failure released an […]