Phase 1 · Tool 05 of 77
Available Water Duration
Minutes = usable gallons / total demand (gpm), after removing the unusable reserve. If a refill rate is entered and it meets or exceeds demand, supply is modeled as sustained.
ℹVerify locally before acting. This tool is a planning and arithmetic aid, not a substitute for training, local SOPs, calibrated instruments, or scene assessment. Confirm critical values independently. Suite status: DRAFT - not yet department-approved for operational use.
When you'd use this: Rural tanker-shuttle operations - how long will a 2,500-gallon tanker load support a 250 gpm attack line before the next tanker needs to be on scene, after holding back a safety reserve.
Result
Enter the source details and press Calculate.
