NFPA-110 7.9.2: Fuel Supply Reliability for Emergency Power Systems

diesel-fuel-day-tank

Emergency power systems are critical in a wide range of settings, such as hospitals, data centers, and other critical facilities. To ensure the reliability of these systems, the National Fire Protection Association (NFPA) has established standards and codes, including NFPA-110. This article focuses on paragraph 7.9.2 of NFPA-110, and provides an explanation of the intent … 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

Take this Easy Approach to Specifying Sub-Base Day Tanks

Fuel Tank and Pump Package

Sub-base fuel tanks can be sourced in custom designs with storage capacities of several thousand gallons but they are often specified to store less than 550 gallons. When a facility requires a longer run-time than is possible with 550 gallons, the designer will usually look to a supplemental bulk fuel tank, installed remotely. This remote fuel tank is intended to “supply” fuel to the sub-base tank on demand, which changes things a bit, since the sub-base tank will now act as a “sub-base day tank”. This article provides steps to ensure that the installation of your sub-base day tank design goes smoothly.