sump pump alarms

[gobby]

My facilty has 8 pumps and after a big rain the alarms are going off for 20 to 40 minutes.I can not have this as its a disturbance to them and to me at 4 in the morning when my pager goes off.

What do you all recomed?Going up to a 3/4 pump from a 1/2 or just adding another pump ???

thx :o