The refrigerant piping is designed to be protected by fire rated ductwork as it passes from exterior horizontally through the machine room. No other shafts are created at this time. Basis of design for ductwork is Flamebar. Refer to attachments for information on the Flamebar system in addition/supplementary to the construction documents.
Tampa General Map Of 1853, Lots 2 And 3 Block 16, Sec 13 And 24-29-18