Fire-resistant cover for corbel system

A fire-resistant corbel system for use with a precast concrete structure, the fire-resistant corbel system comprising:

• (a) a corbel having (i) a mount plate with a plurality of slots extending through the mount plate, wherein the mount plate is embedded in the precast concrete structure with a face of the mount plate exposed, (ii) a ledge, having projections engaged in the slots of the mount plate, the ledge further having a horizontal base perpendicular to the mount plate, and the base having an underside, a first side and a second side, the ledge further comprising a first receiver tab and a second receiver tab, the first and second receiver tabs disposed at opposite sides of the ledge;
• (b) a cover having (i) a metallic shell with an interior, an exterior, a first side, a second side opposite the first side, and a bottom extending from the first side to the second side, (ii) an opening defined by a perimeter, the perimeter has a first section lying in a first plane and a second section lying a second plane, whereby the first plane and the second plane are aligned at an angle of approximately 90°, and
• (c) wherein the cover encloses the underside of the base of the ledge and the face of the mount plate, wherein the cover is attached to the corbel with the first section of the perimeter aligned coplanar to the base of the ledge and the second section of the perimeter aligned coplanar with the mount plate, and wherein the cover defines holes that align with the first and second receiver tabs to receive fasteners configured to secure the cover to the corbel.