Phase VI · Engineering Design Studio · Week 4–7
Hydrology and Watershed Studio
Delineate the watershed and compute design storms, runoff, times of concentration and peak flows.
NRCS TR-55
NOAA Atlas 14
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Add a watershed / hydrologic analysis to record its inputs, capacity and governing check.
Learning objectives
- Delineate the watershed
- Compute time of concentration
- Compute peak discharge
Engineering judgment
- Rational method has a drainage-area limit.
- Return period is a risk decision.
Governing standards
NRCS TR-55
Urban Hydrology for Small Watersheds
Runoff curve numbers, time of concentration, peak flow
Ch. 2 CNCh. 3 TcCh. 4 PeakFHWA HEC-22
Urban Drainage Design Manual
Inlets, storm sewers, detention
Ch. 4 InletsCh. 7 Storm drains
Recommended next step
Drainage and Stormwater Design Studio
Design inlets, storm sewers, swales and detention/retention systems to meet release-rate requirements.
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