Purpose and ScopeTo protect the public@ excavation employees@ and the environment by preventing damage to pipeline assets from excavation activities.To provide a consistently applied decision making process for monitoring and observing of excavation and other activities on or near pipeline Rights-of -Way for ??hazardous liquid?? and ??natural and other gas?? transmission pipelines.Note: One call provisions and laws vary by state and it is the operator??s responsibility to be familiar with and comply with all applicable one-call laws