Purdue University compiled relevant building water system flushing and recommissioning protocols developed by multiple organizations in one website that includes resources for building owners, public health officials, and private sector organizations who are seeking to develop, analyze, and improve their protocol documents.
This is a publication that clarifies compliance requirements, and is updated throughout with enforceable, code-intended language to facilitate adoption of the standard for code and regulatory purposes.
CDC offers this FREE Guidance for Building Water Systems to ensure the safety of building water systems and devices after a prolonged shutdown and its implications that increase the risk for growth and spread of bacteria.
Risk Assessment offered by NSF to help building owners or managers identify specific risks and measures related to water safety plans.
NSF published this FREE infographic to show how building water systems are affected by the low occupancy.