Sharraxaadda

We live in the residential area facing 160th Place and Linden across the street from the lower level of Aurora Square. With the closure of the Sears outlet property, for many of the preceding nights, they have been loading and moving large garbage bins around. I realize this needs to be done but they are starting as early as 3:45-4 AM and it is getting very difficult not to be woken up by that noise every night. We know we are in for lots of construction over the next decade in this space but shouldn't they be bound by the 7 AM start time?