Marcus was proud of the new backup generator room in the basement of the "Northwind Data Center." It was a fortress: concrete walls, leak sensors, and a massive 500-gallon tank of diesel fuel to keep servers running for 72 hours during a grid outage.
Marcus walked back to his tank. He knelt down and looked at the concrete floor. No liner. No curbs. Just paint and hope. ul 2166 pdf
She told him about a warehouse in 1987, before UL 2166 existed. A small diesel leak from a tank fitting went unnoticed for two years. The fuel soaked into a gravel floor. One day, a forklift’s spark ignited the vapor cloud. The explosion killed two people and leveled the building. After that, the NFPA, insurance groups, and UL worked together to create UL 2166. Marcus was proud of the new backup generator
The Basement That Almost Flooded a Fortune No liner