Civil engineering and site development planning services to support commercial, institutional, residential, and industrial development have been provided by Thornton Engineering LLP for numerous projects throughout New York State.

  Professional Site Plans
      Accurate Designs
          Effective Communication

Creativity, accurate designs, familiarity with current zoning and development standards, and an ability to effectively communicate with regulatory agencies give Thornton Engineering LLP a solid basis for any site engineering project.

We listen to our clients so we can maximize the potential for the site development plan and we are diligent in our pursuit of prompt reviews and approvals of the project. Our innovative site plans and designs have typically exceeded client expectations while maximizing construction value and satisfying a myriad of local, regional, and state development regulations. Typical site development services include:

Planning Evaluations

  • Traffic impact analyses
  • Site feasibility studies
  • Land planning

Planning and Zoning Board Services

  • Code reviews
  • Variance, subdivision and site plan applications
  • Meeting representation

Site Designs

  • Road and parking layout
  • Sidewalks, trails, and courtyards
  • Site lighting and landscaping
  • Water services and backflow prevention
  • Highway work permits
  • Utility services
  • Onsite wastewater treatment systems
  • Structural systems
  • Loading docks
  • Earthwork calculations
  • Construction drawings and specifications

Stormwater Management Plans

  • Watershed modeling / stream analysis
  • Storm drainage systems
  • Retention/detention design
  • Erosion control designs
  • SPDES Stormwater Permits

Environmental Assistance

  • SEQR assessments
  • Wetland mitigation plans
  • Environmental assessments and delineations (subcontracted services)
  • NYSDEC, USACE permits
  • Floodplain evaluations

Surveys and Mapping (subcontracted services)

  • Field surveys and mapping
  • Construction stakeout
  • Subdivision plats

Thornton Engineering provides professional site development planning services.