S3DA is working on the Civil, Structural, MEP, and fire sprinkler design for the main house at 21050 Questhaven Rd. San Marcos, CA.

A 40-acre lot of rural residential type C Building, single-family residence in San Diego County. We are working on Grading and Drainage plans. Structural Analysis and Design Calculations of all Structural Components. Mechanical ventilation. Electrical load calculation, single line diagram, and demonstration of the electrical power distribution system/concept. Provide an isometric diagram for cold/hot water and gas piping.