Vendor needs to provide airport engineering services to the government authority located in Bisbee, AZ. Provide additional services related to airport planning, design, construction, or compliance. Runway lighting and constant current regulator (CCR) replacement. Precision approach path indicator (PAPI) design and installation. Rotating beacon replacement. Apron reconstruction design. Bid and construction phase services. Construction Safety and Phasing Plan (CSPP) preparation. Project inspection and grant closeout.