Specifications include, but are not limited to: (1) a continuation of the existing pavement maintenance and evaluation program at the nine general-aviation airports in the NPIAS program, a. Likely consultant services could include: airport planning and engineering, site engineering, geotechnical exploration, transportation planning, surveying, materials testing. (2) an implementation of the recommendations from, or update to, the New Hampshire State Aviation System Plan, a. Likely consultant services could include: airport planning and engineering, site planning, environmental analysis, historic and architectural evaluations, public involvement, transportation planning, surveying, wetland delineation and analysis. (3) aircraft rescue and firefighting facility or system planning studies, a. Likely consultant services could include: airport planning and engineering, building and site engineering, electrical engineering, mechanical engineering, public involvement, transportation planning, surveying, wetlands delineation and analysis. (4) various environmental studies serving the needs of New Hampshire’s NPIAS airports, a. Likely consultant services could include: airport planning and engineering, site engineering, environmental analysis and documentation, geotechnical analysis and documentation, historic and architectural evaluations, public involvement, transportation planning, surveying, wetlands delineation and analysis. (5) obstruction evaluations or airport airspace analyses serving the needs of New Hampshire’s NPIAS airports, a. Likely consultant services could include: airport planning and engineering, site planning, environmental analysis, historic and architectural evaluations, public involvement, transportation planning, surveying, wetland delineation and analysis.