DAVID LAVERTY

• Principal Surveyor/Project Manager/Managing Principal in Mammoth Lakes Office since 1980.
• California R.L.S. No. 4587, 1978.
• Nevada R.L.S. No. 8401, 1989.
• B.S. Business Administration, University of LaVerne, 1995.

Mr. Laverty has more than 30 years experience in the civil engineering/land surveying field. Specialized experience in his 25 years in the private sector include project planning, residential and commercial infrustrature design, subdivision mapping, deformation and cadastral surveys.

THOMAS PLATZ

• Principal Engineer/Project Manager/Office Manager in Eastern Sierra offices since 1986.
• California P.E. No C41039, 1986.
• B.S., Civil Engineering, California State University Northridge, 1981.

Mr. Platz has 20 years experience in the civil engineering field and three years of specialized structural engineering. His work with Triad/Holmes Associates, Inc includes analysis and design supervision for land development and public works projects. Specialized experience includes hydrology studies, hydraulic analysis, sewage disposal and treatment system design, roadway pavement design, and street, storm drain, water distribution system and sewer collection system design.