thanx guys for the insight. the guy from regulatory agency says that the center of mass detention time must be 24 hrs and that it must be seen in hydrocad report. I calculated the orifice size according to the MDE 2000 manual but still im not getting that value for center of mass time in...
hii guys
i really need your help here. i manually calculated the orifice size for releasing the CPv volume over the 24 hr duration and inputted the diameter into hydrocad. but inspite of that the center of mass detention time given by hydrocad is some 200 mins and my local agency is taking...