WHEN is the roll up garage door open by the Goodwill Donation Bin?

Goodwill comes to pick up items from the bin on M, W, and F. The Building Manager opens the roll up door between 8:30am – 9:30am on those days based on her work schedule, and locks the roll up door between 3:30pm and 4:30pm on the same days. The roll up door remains locked on T and Th.