Laserfiche WebLink
Exhibit G-3 <br /> RiVERCITY =FORMULA CELLS <br /> n I =USER INPUT CELLS <br /> PROJECT: MA Concrete Rolling Hills <br /> JOB NO.: 1330-003 Project Location <br /> CALC. BY: MEO Grand Valley Area <br /> DATE: 8/7/2023 <br /> IDF Rainfall Data <br /> Pj: 1-hour Rainfall Depths (inches) <br /> Minor Storm Major Storm <br /> Td 2-Year 100-Year <br /> Minutes 0.42 1.36 <br /> 5 1.44 4.61 <br /> 10 1.15 3.68 <br /> 20 0.83 2.68 <br /> 30 0.67 2.13 <br /> 40 0.56 1.79 <br /> 50 0.48 1.55 <br /> 60 0.43 1.37 <br /> 120 0.26 0.84 <br /> Equation 5-1 1=(28.5-P,)/(10+Td)-0.786 <br /> 1=rainfall intensity(inches per hour) <br /> P,=1-hour point rainfall depth(inches) <br /> Td=storm duration(minutes) <br /> Reference: <br /> 1) Urban Drainage and Flood Control District-Urban Storm Drainage Criteria Manual Volume 1,2017 <br /> 2) NOAA Atlas 14,Volume 8,Version 2 <br /> htto://hdsc.nws.noaa.gov/hdsc/ofds/D-fds map cont.html?bkmrk=co <br />