Specifications include, but are not limited to: Project involves Construction of a new Elementary and Middle School at 600 North Lombard Street Wilmington, DE. A. All penetrations of partitions, ceilings, roofs and floors by piping or conduit under Division 22 shall be sleeved, sealed, and caulked airtight for sound and air transfer control. Penetrations of mechanical room partitions, ceilings, and floors shall be as specified in Division 07 Section, “Fire Protection, HVAC and Plumbing Penetration Firestopping”. B. All penetration of fire rated assemblies shall be sleeved, sealed, caulked and protected to maintain the rating of the wall, roof, or floor. Fire Marshal approved U.L. assemblies shall be utilized. See Division 07 Section, “Fire Protection, HVAC and Plumbing Penetration Firestopping”