Consulting firms for engineering, planning, and subcontracted special services. The services may include, but are not limited to, the design, bidding, and construction phases of terminals and site work, runway overlays, taxiways, aircraft aprons, airfield lighting, NAVAIDs, instrument landing systems, hangars, and other projects as determined by Hampton County. The services may also include assisting with land acquisition, obstruction removal, master planning, feasibility studies, miscellaneous planning, and other planning and environmental projects as determined by the county of Hampton. These services may also include subcontracted special services, such as surveying, geotechnical, environmental, resident project representative, and quality assurance testing.