Question: From the following information, develop an AON project network. Complete the forward and backward pass, compute activity slack, and identify the critical path. How many days will the project take?
ID.....Description..........Predecessor.......Time (days)
A......Survey site..............None......................2
B......Install drainage..........A.........................5
C......Install power lines......A.........................3
D......Excavate site.......... B, C...................... 4
E......Pour foundation........D......................... 3