Address View larger map 425 S. Welch St IdentificationBuilding Mnemonic: WSC2Building #: 0139 HoursSunday: ClosedMonday: ClosedTuesday: 10:00 am - 3:00 pmWednesday: ClosedThursday: 10:00 am - 3:00 pmFriday: ClosedSaturday: Closed Floor Plans Floor plans are now provided by the Office of Space Management. To request access to floor plans, click here.