Q1 (10 points): For the Alton Bridge video (https://youtu.be/YiDJeSFBtWI), answer the followings:
(a)  Draw the process diagram.
(b)  What kind of problems happened to delay the construction? For each problem, describe how many days delayed and how they solved it.
(c)  What were the reasons for successful or failed operations? Find at least three reasons.