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NURP COMPS
BEEHIVE HOME.xls NURP DESIGN -POND #1 PROJECT: BEEHIVE HOME PROJ. NO.: 22881 CLIENT: PLAN DATE: LOCATION: CHANHASSEN, MN COMP. DATE: NURP POND DESIGN INPUT DATA TOTAL WATERSHED AREA (ACRES): 1.46 TOTAL IMPERVIOUS AREA DIRECTLY CONNECTED TO STORM SEWER: 0.66 AREA WEIGHTED MEAN SCS CURVE NUMBER: 61 DESIGN STORM SIZE (INCHES): 2.5 NURP POND DESIGN OUTPUT PARAMETERS IMPERVIOUS FRACTION: 45.21% MAXIMUM SOIL RETENTION (INCHES) 6.39 DESIGN STORM RUNOFF (INCHES): 1.24 MIN. REQUIRED WET VOLUME STORAGE (NURP) VOLUME (ac-ft): 0.15 DESIGNED WET VOLUME STORAGE (NURP) VOLUME (ac-ft): 0.16 MPCA REQUIRED PERMANENT VOLUME (1800FT^3/AC): 0.06 Method of calculation is taken from "DESIGN CALCULATIONS FOR WET DETENTION PONDS" by William W. Walker, October, 1987.