What we do...

eda provides a variety of professional services in the following areas:

Civil Engineering

-Subdivision analysis and design
-Sewer, water, and storm drain pipelines & pumping facilities
-Street Improvement Plans
-Grading design and earthwork estimates
-Storm drain collection and transmission systems
-Hydraulic studies
-Hydrology studies
-Erosion Control
-Construction specifications
-Construction cost estimates
-Airspace subdivisions
-Condominium subdivisions/conversions
-NPDES and SWPPP preparation and processing



-Boundary surveys,
-A.L.T.A Surveys
-Topographical Surveys
-Construction Staking
-Legal Descriptions
-Tract and Parcel Maps
-Lot Line Adjustments
-Condominium plans
-Records of survey
-Large scale mapping for pipeline routes
-Expert witness for boundary disputes and general survey related issues
-GPS surveys for aerial control, boundary retracement, and GIS control networks
-Toxic and hazardous site surveys, mapping and monitoring
-FEMA Elevation Certificates


Land Planning, Permitting & Processing

-Feasibility Studies
-General plan amendments
-Land use suitability
-Specific plans / master plans
-Site planning / land use planning
-Utility Company Coordination
-Utility Planning & Design
-Tentative Subdivision Maps
-LEED Consulting


Construction Management

-Cost estimates and value engineering analysis
-Contract preparation and administration
-Specification and bid packages
-Bidding assistance
-Cost monitoring and critical path management



-Public right-of-way improvements
-Water, sewer, & storm drain systems
-Rough and finish grading
-Dry utilitiess


Allan Hancock Community College- Lompoc Campus, CA

Justin Vineyards Irrigation Reservoir, Paso Robles, CA

La Bella Rosa, Paso Robles, CA

Lemoore Naval Air Station, CA

Oak Grove Professional Center, Los Osos, CA




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ph: 805.441.3152