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Engineering & Design

Engineering and Design projects across the state of North Carolina include advanced hydrology and hydraulic evaluations, innovative stormwater design, dam design and rehabilitations, flood studies, sediment and erosion control planning and design, among other projects.

NPDES Monitoring & Site Inspections

The Stormwater General Permit NCG01000, also called a National Pollutant Discharge Elimination System (NPDES) permit, is routinely issued by the North Carolina Department of Environment & Natural Resources (NCDENR) Division of Land Resources (Land Quality Section) or a local Delegated Authority (such as a County government or local municipality) as part the approval of a […]

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Nash County Quarry

Nash County Quarry

S&EC prepared design recommendations for the installation of select stormwater treatment devices for a large commercial quarry operation in Nash County, NC.  The project scope included the design of five wet detention basins and associated appurtenances in accordance with the North Carolina Best Management Practices (BMP) and the North Carolina Department of Environment and Natural Resources (NCDENR) […]

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Franklin County Hub Road Extension

Franklin County Hub Road Extension

S&EC performed hydraulic analyses for a proposed crossing within the Franklin County Industrial Park to determine water surface profiles for various design storms for the proposed Hub Road Extension.  Working directly for the Kerr-Tar Regional Economic Development Corporaiton, S&EC’s project scope included the development of representative U.S. Army Corps of Engineers (USACE) HEC-RAS (River Analysis System) models to […]

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Beaver Creek / Evans Road Extension

Beaver Creek / Evans Road Extension

S&EC performed hydraulic analyses for a stream crossing at the proposed Apex Town Park to determine water surface profiles for various design storms for a planned community park service road within the Town of Apex, North Carolina.  S&EC’s project scope included the conversion of available hard-copy HEC-2 (Water Surface Profiles) models into U.S. Army Corps of […]

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Gammon Lake Dam Repair

Gammon Lake Dam Repair

S&EC prepared design recommendations for the repair and reconstruction of the spillway system, the embankment, and various appurtenances for Gammon Lake Dam in Edgecombe County, NC.  This small-size, low-hazard, earthen dam approximately 475 feet long and roughly 20 feet in height had fallen into disrepair and was in need of an overhaul. Our engineers evaluated a variety of spillway […]

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Bolin Creek Greenway

Bolin Creek Greenway

S&EC performed hydraulic analysis for the proposed Phase III Bolin Creek Greenway project to determine water surface profiles for design storms for a planned community greenway project within the Town of Chapel Hill, North Carolina. Our analyses utilized the U.S. Army Corps of Engineers (USACE), HEC-RAS (River Analysis System) to simulate existing and future developed […]

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Market at Colonnade Innovative Stormwater Management Plan

Market at Colonnade Innovative Stormwater Management Plan

In March 2011 construction on the Market at Colonnade (Colonnade) project in Raleigh, NC was completed. Encompassing 6.25 acres of previously undeveloped land, Colonnade has 57,000 square feet of retail space anchored by a 40,000 square foot Whole Foods Market. The Colonnade project is unlike any other within the State of North Carolina with regard […]

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