Columbus Construction is renovating and providing replacement work for the PENNDOT District 5-0 Office in Allentown, PA. This work includes replacement of the existing built-up roof system, upgrading the existing HVAC control system, the addition of a perimeter roof guardrail system, renovation of 6 existing bathrooms, elevator modernization, door hardware modifications, providing carbon monoxide and natural gas detection system in the boiler room. Columbus will also upgrade the building’s systems, including light panels, boilers, fire, and jockey pumps.