Robinwood Drive Widening/ Reconstruction
Hagerstown, Maryland

SAI, a Mead & Hunt Company, provided civil design services to complete construction bid plans, specifications and cost estimates for 6,300 feet of widening of a two-lane roadway to a four-lane closed section roadway. The work includes:


  • Roadway Design
  • Hydraulic and Hydrologic
  • Bioretention Facility Design


  • Addition of turning lanes, concrete medians, sidewalks on both sides
    and ADA ramps and driveways
  • Upgrading horizontal and vertical alignments
  • Preparing roadway cross-sections, typical sections and profiles
  • Developing signing and pavement marking plans
  • Preparing maintenance of traffic control plans
  • Preparing signal reconstruction design plans for four intersections
  • Coordinating soils borings and test pits,
  • Providing landscape design
  • Preparing quantities and estimate, including earthwork summaries,
  • Coordinating with soil conservation agencies, and utility owners

In addition, SAI, a Mead & Hunt Company, provided a wide range of hydraulics and hydrology including storm drain design, erosion and sediment control design, various BMP stormwater management design services including grass channel design, bioretention design, underground facility design. SAI, a Mead & Hunt Company, also provided delineation of drainage maps, investigation of several points of drainage interests, pre- and post peak discharges, soil maps, surface SWM ponds, evaluation and inspection of existing SWM ponds using TR-55 software, and utilizing new SWM design approach such as Filterra Design system, preparation of storm management plans and report.

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