20DQ-AFO-003 - Stair Replacements - CDOT Boulder Engineering Office, Eisenhower Tunnel

Qualified Contractors are invited to bid on two stair replacements at two different CDOT locations, one in Boulder and one at the Eisenhower Tunnel in Colorado.  Both stairs are exterior type galvanized steel stairs to replace existing stairs.
 
The stair at the Boulder Engineering residency is an exterior egress stair for the second floor of this office building.  It shall be galvanized steel plank grating with galvanized steel plate risers and painted steel stringers, columns and railings.
 
The stair at the Eisenhower Tunnel is an egress stair for the conference room on the upper level down to the fan deck below.  It shall be a galvanized steel stair with plank grating and plate risers and painted steel stringers, columns and railings.  This stair is to be located on the fan deck in the East Portal building of the Tunnel.  Due to the exposed nature of the Portal building, this stair is designed as an exterior stair though it is located indoors.