Site visit to take measurements for Byers Hall Air Handler for the Guest Apartment Building. Air Handler Dimensions: 61†Long / 26†High / 21-1/2†Deep (Air Handler in Horizontal Position) Supply Plenum: 13†x 16†transitioned to 16†x 26†at the Hydronic Coil Connection, 13†Long Return: 24-1/2†H x 20-1/2†D The Tracks supporting the Ceiling Tiles are removable. Breaker panel in the Sprinkler/Mechanical Room