Skip to main content
Safety Free Pro Features Available

PREVIEW All Pro features are currently free for a limited time. No license key required.

Heat Index & Work/Rest Schedule Calculator

Learn More

Safety

Heat Stress: Work/Rest Schedules, Heat Index, and OSHA Guidelines

Understanding heat index calculations, OSHA heat risk tiers, ACGIH work/rest ratios, acclimatization, and preventing heat-related illness on the job.

Related Tools

Safety Live

Lockout/Tagout Permit Manager

Create OSHA-compliant LOTO permits for equipment energy isolation. Track electrical, pneumatic, hydraulic, and thermal energy sources with lock assignments and zero-energy verification.

Safety Live

Scaffold Load & Tie Calculator

OSHA 1926.451 scaffold loading calculator. Determine platform capacity, leg loads, mudsill sizing, and tie spacing for light, medium, and heavy-duty scaffolding.

Safety Live

Fire Sprinkler Hydraulic Calculator

NFPA 13 sprinkler hydraulic calculator. Compute flow using K-factor, Hazen-Williams friction loss in piping, and total system demand at the riser with hose stream allowance.