Whittlemore & Haigh Engineering Inc.

Civil Engineering Services

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Roadway and Parking Lot Design and Investigation. Embankment Stabilization. Storm Water Analysis and Design. Erosion and Sediment Control. Third Party Review of Development Plans and PADEP Permits. NPDES MS4 Municipal Storm Water. Hydraulic Modeling - HECRAS, HEC2, Hydraflow. Hydrology Modeling - HydroCAD. PADEP General and Joint Permits. Box Culvert Design. Retaining Wall Design. Detention Basin Permeability and Design (Gulph Permeability Testing). Foundation Design and Recommendations. Design of Infiltration BMPS. Design Subsurface Storage Basins.