Issue link: https://hi.iaq.net/i/692160
10 DEVELOPING A LEGIONELLA WATER MANAGEMENT PROGRAM 2 Describe Your Building Water Systems Using a Flow Diagram EXAMPLE: BUILDING A In addition to developing a written description of your building water systems, you should develop a process flow diagram. Below is an example of a process flow diagram for Building A. Note that this diagram does not need to be as detailed as your building plans. In fact, it's best if the process flow diagram can be understood easily by all members of your team. 1. Receiving 2. Cold Water Distribution 3. Heating 4. Hot Water Distribution 5. Waste Municipal Water 4" pipe from Maple St. Fire Suppression (sprinkler system) Cooling Tower Roof Decorative Fountain Lobby Ice Machines Floors 2, 4, 6, 8, 10 Sinks/Showers Floors B–11 Hot Tub Floor 1 Pool Floor 1 Water Heaters #1 & #2: Basement Sinks/ Showers Floors B–5 Sinks/ Showers Floors 6–11 Kitchen Appliances Basement Sanitary Sewer Hot Water Storage Basement Water Heater #3: Basement Kitchen WaterFlow Recirculating Return Flow Water Process Backflow Preventer Legend: WaterFlow Recirculating Return Flow Water Process Backflow Preventer Legend: Disclaimer: Example content is provided for illustrative purposes only and is not intended to be relevant to all buildings. Reference: ASHRAE 188: Legionellosis: Risk Management for Building Water Systems June 26, 2015. ASHRAE: Atlanta. www.ashrae.org