Specifications include, but are not limited to: - Bridge Opening Design: Hydrologic evaluation, hydraulic bridge analysis and calibration using one-dimensional HEC-RAS and/or two-dimensional SMS/SRH-2D hydraulic models, scour analysis and mitigation designs, and flood risk assessment. Currently, MDT requires SMS/SRH-2D software for two-dimensional bridge analysis. - Highway Drainage Design: Hydrologic evaluation, culvert hydraulics, roadside drainage and permanent erosion control design, culvert service life analysis, alternative pipe installation techniques/trenchless technology, channel change design, culvert rehabilitation or repair, Aquatic Organism Passage (AOP) design, and flood risk assessment. - Urban Drainage Design: Urban hydrologic evaluation, spread width evaluation, inlet layout and design, storm drain and outfall design, detention and water quality facility design, development or review of local drainage master plans and storm drain agreements, and pump station design. - Irrigation Design: Water surface profile modeling and calibration, the design of pipe and siphon crossings, canals, ditches, inlet, outlet, and diversion structures, weirs, and channel linings; coordination with ditch companies, regulatory agencies, landowners, and water rights investigations.