These are the UL-2085 Performance Tests for a Fireguard® Fuel Tank

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As a follow up to my reference guide on the selection of an above-ground fuel storage tank, I wanted to provide some technical details on the performance tests required for a “Protected” tank designed for compliance with UL-2085. The following document is published by the Steel Tank Institute (here), and provides a good technical summary … Read more

How to Install a Radiator-mounted Load Bank

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A radiator-mounted load bank can be a very practical solution to meet minimum load requirements on emergency generators. The mechanical installation of these load banks can be accomplished in a number of ways, providing the designer with a simple solution for most applications. This article covers the most common installation methods, and tips on how … Read more

A Quick Word on Emergency Venting of Day Tanks

When installing fuel tanks inside buildings, per the International Fire Code, all tank vents should be taken to the exterior, except in the case of “protected” tanks (UL2085 listed tanks), which are allowed to have emergency vents terminated inside. The section of the 2018 IFC related to tank venting can be found here. Below is … Read more

How to Design Exhaust Pipe Penetrations Through a Wall or Roof

Exhaust pipe thimbles are the cleanest way to handle exhaust pipe penetrations through walls or roofs. Thimbles are designed to isolate the hot exhaust pipe from the structure, and to allow for a better termination at these penetrations. Important: Where the exhaust piping penetrates through a structure made of combustible materials, exhaust pipe thimbles are required by … Read more