Directive 055 (Addendum): Interim Requirements for Aboveground Synthetically- Lined Wall Storage Systems, Updates to Liner Requirements, and Optional Diking Requirements for Single-Walled aboveground Storage Tanks
Release Date: October 10, 2011
Purpose of this Directive
This addendum to Directive 055 describes the minimum requirements for use of aboveground, synthetically-lined wall storage systems in the Alberta upstream petroleum industry, and it updates liner requirements and optional diking requirements for temporary single-walled aboveground storage tanks. The requirements are designed to provide acceptable storage practices that do not compromise public safety or environmental protection.