Specifications include, but are not limited to:. The Calhoun County Road Department (CCRD) and Jackson County Department of Transportation (JCDOT) are seeking qualified, established and professional contractors to provide Environmental Service and Material Testing for the 2018-2019 Construction Seasons. Professional services shall include staffing as needed to perform those duties regularly associated with material testing and road and/or bridge construction projects which may include concrete testing, HMA testing, and density testing on backfill, embankment, sub-base, aggregate shoulders and aggregate base for the proposed projects. The term of this agreement will be for two (2) years from the date of award, with a possible 1 year extension, upon mutual agreement by both parties