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Fhwa Hec24 Pump Station Design: 79 entries, 79 rows | Engineering Database

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Fhwa Hec24 Pump Station Design

Highway stormwater pump station design parameters, criteria, and reference data from FHWA HEC-24 (FHWA-NHI-01-007, 2001). Covers pump count criteria (Table 7-1), pump cycling theory and critical inflow rates (Table 7-2), impeller specific speed ranges (Table 8-5), recommended pump intake velocities (Table 8-6, adapted from Hydraulic Institute), vapor pressure heads for NPSHA calculations (Table 8-4), specific weight of water (Table 8-7), rectangular sump dimension criteria (Table 9-1, adapted from Hydraulic Institute), circular sump dimension criteria (Tables 9-3 and 9-4, adapted from Hydraulic Institute), discharge pipe sizing, pipe material guidance (Table 8-1), and pump cycling timing criteria.

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Pump Count Required Minimum1 row Pump Count Preferred Minimum1 row Pump Count Maximum1 row Critical Inflow Pump 11 row Critical Inflow Pump 21 row Critical Inflow Pump 31 row Critical Inflow Pump 41 row Cycle Time Formula1 row Min Cycle Volume Formula1 row Min Cycling Time Submersible1 row Min Cycling Time Vertical1 row Pump Starts per Hour Typical1 row Min Pump Range Height1 row Stop Stagger Interval Min1 row Stop Stagger Interval Max1 row Discharge Velocity Max1 row Pipe Material Short Line1 row Pipe Material Medium Line1 row Pipe Material Long Line1 row Impeller Axial Flow Ns Min1 row Impeller Axial Flow Ns Max1 row Impeller Mixed Flow Open Ns Min1 row Impeller Mixed Flow Open Ns Max1 row Impeller Mixed Flow Closed Ns Min1 row Impeller Mixed Flow Closed Ns Max1 row Impeller Centrifugal Ns Min1 row Impeller Centrifugal Ns Max1 row Intake Velocity Low Flow Min1 row Intake Velocity Low Flow Max1 row Intake Velocity Mid Flow Min1 row Intake Velocity Mid Flow Max1 row Intake Velocity High Flow Min1 row Intake Velocity High Flow Max1 row Sump Velocity Preferred1 row Sump Velocity Max Clear Water1 row Sump Velocity Sediment Laden1 row Rect Sump a1 row Rect Sump a1 row Rect Sump B1 row Rect Sump C1 row Rect Sump Hmin1 row Rect Sump H1 row Rect Sump W1 row Rect Sump W1 row Rect Sump X1 row Rect Sump Y1 row Rect Sump Z11 row Rect Sump Z21 row Rect Sump Floor Slope Max1 row Rect Sump Wall Convergence Max1 row Rect Sump Constriction Angle Max1 row Rect Sump Max Total Capacity1 row Rect Sump Max Individual Capacity1 row Circ Sump C1 row Circ Sump Hmin1 row Circ Sump Cb1 row Circ Sump Cw1 row Circ Sump Lp1 row Circ Sump Max Individual Capacity1 row Circ Sump Ds 2PUMPS on Center1 row Circ Sump Ds 2PUMPS Off Center1 row Circ Sump Ds 3PUMPS on Center1 row Vapor Pressure Head 0C1 row Vapor Pressure Head 15C1 row Vapor Pressure Head 20C1 row Vapor Pressure Head 23p9C1 row Vapor Pressure Head 37p8C1 row Specific Weight Water 0C1 row Specific Weight Water 5C1 row Specific Weight Water 10C1 row Specific Weight Water 15C1 row Specific Weight Water 20C1 row Specific Weight Water 25C1 row Specific Weight Water 30C1 row Specific Weight Water 32C1 row Specific Weight Water 35C1 row Specific Weight Water 40C1 row Specific Weight Water 45C1 row Specific Weight Water 50C1 row

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