HCA Validation and Updates

By FreemanGIS, Inc.

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After 20 years, Ecological and Drinking Water Unusually Sensitive Areas (USAs) on PHMSA's National Pipeline Mapping System (NPMS) have finally been updated. The changes are dramatic due to improvements in field mapping and GIS techniques. We help pipeline operators verify and update High Consequence Areas (HCAs). Answering questions such as: What sensitive resource does the HCA identify? Is it still there? Does it still meet the definition of an HCA in 49 CFR 195.450 and 195.6? HCAs drive repair schedules. Repairs involve money, resources, and possible down time, which can be a big deal if it has to be done immediately. And USAs drive spacing for expensive rupture mitigation valves. Verifying the location and legitimacy of HCAs can be a key tool for assessing risk and prioritizing resources – enhancing pipeline safety efforts while improving a company’s bottom line. We all know high risk can’t be everywhere. And HCAs aren’t everywhere either. Please contact us to learn more about the HCAs in your area.


Environmental Management, GIS, Pipeline

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