Text · page 523 of 1174
Read the whole document on one page (all 1174 pages, each with its own heading)
WEST SENECA - POST DEVELOPMENT E_App E_Post-Development Model_REV 2 NY-West Seneca 24-hr S1 25-yr Rainfall=3.84" Prepared by Labella Associates Printed 7/26/2026 HydroCAD® 10.20-6a s/n 09581 © 2024 HydroCAD Software Solutions LLC Page 56 Primary OutFlow Max=0.03 cfs @ 12.20 hrs HW=597.11' TW=0.00' (Dynamic Tailwater) 1=Exfiltration Through Media (Exfiltration Controls 0.03 cfs) Secondary OutFlow Max=0.99 cfs @ 12.20 hrs HW=597.11' TW=0.00' (Dynamic Tailwater) 3=Culvert (Passes 0.99 cfs of 5.54 cfs potential flow) 2=Overflow Grate (Weir Controls 0.99 cfs @ 1.10 fps) Tertiary OutFlow Max=0.00 cfs @ 0.00 hrs HW=592.42' TW=0.00' (Dynamic Tailwater) 4=Emergency Overflow Weir ( Controls 0.00 cfs) Pond BIO-2: Filtration Bioretention Hydrograph Inflow 2.35 cfs Outflow Inflow Area=0.649 ac Primary Secondary Tertiary Peak Elev=597.11' Storage=2,288 cf 2 Flow (cfs) 1.01 cfs 0.99 cfs 1 0.03 cfs 0.00 cfs 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 Time (hours) Page 523 of 1174