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Peak Water Demand Calculator
Calculates peak instantaneous and hourly water demand using Hunter Curve method and modern updates.
Total Water Supply Fixture Units
?
Sum of all fixture units.
WSFU
System Type
?
Occupancy affects diversity.
Flush Tank Type?
?
Flush valve systems have higher peaks.
Calculate
Results
Peak Water Demand
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GPM
Calculation Method
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References:
IPC Table 604.3, UPC Appendix A, ASPE Data Book Vol. 2