Civil Engineering

PLSA maintains experienced professional engineers & engineering design technicians working together as a team to provide our clients with a wide range of engineering services. Combined with our in house planning and survey personnel, PLSA has the capability to assist our clients from the conceptual design of their project on to project design development, permitting, & construction. PLSA is committed to helping clients find sustainable & cost efficient development solutions using a broad array of experience in Geotechnical, Environmental and Civil Design.

Catalyss Development

Catalyss Development

Yakima, WA

Columbia Ridge Homes

Columbia Ridge Homes

Yakima, WA

Hapo Credit Union

Hapo Credit Union

Yakima, WA

JC Penny

JC Penny

Union Gap, WA

Columbia Ridge Homes

Columbia Ridge Homes

Yakima, WA

Summary of Services

  • Street & Roadway Design
  • Sewer System Design
  • Drainage Evaluation & Design
  • Site Grading & Earthwork
  • Pond & Lagoon Design
  • Engineering Reports
  • Shop Drawing Review
  • Water System Design
  • Storm Water System Design
  • Storm Water Runoff Analysis
  • Cost Estimating
  • Storm Water Pollution Prevention Plans
  • Permit Assistance
  • Pipeline & Pumping Stations