Civil Engineering Services

The Civil Engineering department at LeRoy Surveyors & Engineers, Inc. (LS&E) specializes in public works and private development projects. Our engineering solutions are creative, precise, timely and done right. LS&E contributes to municipalities, land developers and private parties who value timely quality and accuracy.

In almost 60 years of work throughout the Northwest, LS&E has compiled a broad base of clients and projects

We  provide our clients with environmentally-conscious designs taking into consideration cost of permitting, construction maintenance, neighborhood and community concerns, and site appropriate development/aesthetics. LS&E’s civil engineering work is innovative in its design and efficient use of space.

If you’re interested in a civil engineering project, we invite you to contact Damon DeRosa, PE our principal for all engineering design work. Damon can be reached at our office by phone at (253) 848-6608 ext. 102, or by email at DDeRosa@lseinc.com.

Damon and our staff of engineers are available to discuss the needs and scope of your work. Our commitment is to provide you with the highest caliber engineering services completed by our expert staff with the latest tools and technology.

GENERAL CIVIL ENGINEERING & SITE DESIGN

  • Feasibility Studies
  • Site Planning and Mapping
  • Cost Estimating
  • Design Drawings and Construction Specifications
  • Earthwork Calculations
  • Site Grading Plans
  • Site balancing
  • Commercial, Retail and Business Parks

STREET AND ROAD ENGINEERING

  • Street and Highway Subdivision Design
  • Private Roadway Design
  • Clearing and Grading Permits
  • Temporary Erosion/Sedimentation Plans (TESCP)
  • Entering/Stopping Sight Distance Analysis
  • Traffic Impact Coordination
  • Pervious Pavement (Permeable Concrete, Asphalt & Pavers)
  • Parking Lot Design and Stormwater Management
  • Violation Resolutions on Unpermitted Sites

ON-SITE WASTEWATER SYSTEM DESIGN, MAINTENANCE & INSPECTION

  • Site Feasibility Studies
  • Method II Analysis
  • Individual Septic Designs (Commercial and Residential)
  • Community Septic Systems Design (Local or State Level)
  • Enhanced Treatment Designs
  • Sand Filter Designs
  • Mound Systems Design
  • Individual Well and Septic Systems
  • Subsurface Septic Disposal Systems
  • Permitting Assistance
  • See our Water & Wastewater Systems page for more info

STORMWATER MANAGEMENT

  • See our Water & Wastewater Systems page for more info

SANITARY SEWER FACILITIES

  • See our Water & Wastewater Systems page for more info

CIVIL ENGINEERING CAPABILITIES

Our capabilities are diverse, and our experience includes projects such as:

Residential subdivisions/Formal Plats
Multi-family developments
Mixed-use development
Urban and rural planning
Single-family home short plats
Complex and sensitive-area civil engineering
Low Impact Development civil engineering 
Single Family Site Plans
Utility Infrastructure and Design