Environmental engineering

  • Water treatment systems;
  • NPDES permitting;
  • SPCC Plans, Geotechnical studies;
  • Stormwater management and drainage design
  • Watershed modeling and hydrology (TR55, TR20)
  • Open channel hydraulics and modeling
  • Wastewater collection, treatment and disposal
  • Underground and aboveground storage tank systems
  • Landfill assessment and closure
  • Solid Waste Facility design and permitting.

Wetland and aquatic sciences

  • Wetland delineation, mapping, permitting and construction
  • Biota and sediment sampling
  • Hydric soil evaluation.

Site Design and Permitting

  • Site layout and design
  • Abandoned property/building restoration
  • Engineering and topographic surveys
  • Site Plan preparation
  • Permitting – Massachusetts Department of Environmental Protection, Massachusetts Environmental Protection Act, Planning Board, Zoning Board of Appeals, Board of Health, Conservation Commission.
 
 

Terrestrial ecology and botany

  • Plant taxonomy
  • Quantitative vegetation sampling and analysis
  • Vegetation mapping, remote imaging and infrared photo interpretation
  • Soil surveys.

Oil and hazardous material assessment and remediation

  • Site assessments, hydrogeological and subsurface soil investigations
  • Design and evaluation of remedial systems
  • Remedial investigation and feasibility studies
  • RCRA groundwater monitoring and permitting
  • Risk assessment
  • Slug and pumping tests
  • Contaminant transport analysis
  • Groundwater modeling (MOD3-Modflow), Site remediation and cleanup
  • ASTM Phase I & II Environmental Site Assessments.

Ancillary engineering and support services

  • AutoCAD drafting for site and engineering plans, piping and instrumentation diagrams and test boring logs
  • Soil particle size (sieve) analysis and data plots [note: dry sieve method to -200 sieve (0.074 mm) silt and clay]
  • Site topographic and engineering survey
  • Bail (slug), pumping, and soil vapor extraction pilot tests
  • Hydraulic and remedial system calculations and spreadsheets - mass balance, control volume analysis, piping and open channel hydraulics.