Skip to main content

Services Environmental

A leading provider of


H.Y.’s environmental services include Erosion & Sediment Control (ESC) Design and Monitoring. We have been the ESC Designer, ESC Supervisor, and ESC Monitor on countless residential subdivision projects, townhouses, commercial buildings, schools, hospitals, high-rises, towers, rural properties, etc. We are familiar with flatland projects, steep mountainside projects, and everything in between and we have performed ESC design and monitoring for projects including sensitive aquatic habitats.

Our team of professionals includes two Qualified Environmental Professionals (QEP) with experience in Erosion & Sediment Control design, supervision, and monitoring. Our QEP staff oversee a team of inspectors experienced in site observation, field measurement, and collection of water samples for processing by a third party laboratory. Our inspection staff takes a hands-on approach and routinely provides cost-effective recommendations to clients and contractors to address turbidity concerns promptly.


  • Erosion and Sediment Control (ESC) Design
  • ESC Permit Applications
  • ESC Cost Estimates
  • ESC Monitoring
  • Assisting in Obtaining Government Agency Approvals:
    • Ministry of Environment
    • Department of Fisheries and Oceans
    • Municipalities
  • Liaison with:
    • Geotechnical Consultants
    • Environmental Consultants
    • Architectural Firms
    • Contractors
    • Equipment Suppliers

Brochures View our corporate and surveying brochures