🦠 ASHRAE 188 / Guideline 12 Thermal Disinfection (158°-165°F), Scald Flush Minutes

Legionella Thermal Eradication Flush Calculator

Model commercial building water safety risk management plans under ASHRAE Standard 188 & CDC guidelines: calculate thermal eradication superheat protocols (raising central storage to 160°F-170°F and performing sequential 150°F+ high-temperature fixture flushing for 10-30 minutes per outlet), prevent scald burns, and water hygiene consulting margins.

1. Project & Operating Inputs

Plumbing Fixture Outlets Flushed (Fixture Count e.g. 180 Fixtures)

Superheat Flush Duration per Fixture (Minutes e.g. 15 Min at >150°F)

Customer Bid Price for Comprehensive Legionella Remediation ($)

Certified Water Hygiene Techs, Digital Temp Data Loggers & PPE ($)

2. Financial Breakdown & Yield

ASHRAE 188 THERMAL ERADICATION

Turnkey Water Safety Contract Profit

Legionella Compliance Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost