Hydrology
Hydrologic analyis and hydraulic studies are necessary for almost all development, industrial, and brownfield projects. These are divided into various categories.
Flood Plain Studies
Any development on property noted as being in within a Flood Zone on Federal Emergency Management Agency(FEMA) Flood lnsurance Rate Map (FIRM) is impacted with regulations related to fill in the floodplain, floor elevations of structures, and impacts on adjacent properties. Often the flood studies creating the maps are outdated or based on inaccurate mapping. In order to proceed with the projects river basin studies are necessary to quantify the flood flows and flood elevations.
Stormwater Impacts and Detention
Public sector clients, particularly those in the Department of Defense, must develop P2 Management Plans and review/update them on a three-year cycle. SynTerra has developed triennial P2 Plan updates for numerous defense facilities.
The Toolbox
SynTerra utilizes a number of computerized analysis tools including:
- HEC software produced by the US Army Corps of Engineers
- NRCS TR-55 and related software
- SedCad stormwater and sediment control analysis
- StormCad and EaglePoint software packages for pipe and culvert design
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Customized Services
Services vary based upon client needs and typically include:
- River basin studies
- FEMA Flood Plain analysis
- FEMA Letters of Map Revision
- FEMA No Rise Certificates
- Storm water detention studies
- Roadwaydrainage studies
- Calculations for SC DHEC Stormwater NOI submittals
- Erosion control and sedimentology
- Culvert design
- Bridge crossing design
- Small pond dam design
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