Timothy D. Diehm, P.L.S. - President/Director of Surveying

  • Employed since 1974
  • Registered Professional Land Surveyor - 1983 - Present
  • Responsible for all aspects of business management, project management, plan preparation and review for municipal and private clients
  • Prepares proposals for surveying and engineering services
  • Prepares Storm Water Management, Site Grading, and Sedimentation & Erosion Control Plans, plus Subdivision and Land Development Plans
  • Performs property and topographic surveys and construction stake out 
  • Involved in all phases of field and office work
  • Associate Degree in Engineering in 1980 at Penn State University, Mont Alto, PA
  • Continuing Education - State Surveyors Convention Seminars, Pennsylvania Society of Land Surveyors Courses in Storm Water Management Calculations and Design and Lancaster County Conservation District Seminars on Sedimentation & Erosion Control Plans

James R. Ober

  • Employed since 1975
  • Performs property and topographic surveys
  • AutoCAD 2000 design and plan preparation
  • Performs project research at Lancaster and Lebanon County Courthouses
  • Continuing Education - Pennsylvania Society of Land Surveyors Conferences and Seminars

Michael R. Kotay, P.L.S.

  • Employed since 1978
  • Registered Professional Land Surveyor - 1985- Present
  • Responsible for project management, performance of surveying services, plan preparation and plan reviews for municipal and private clients
  • Involved with preparing proposals for surveying services
  • Attends Municipal Planning Commission, Board of Supervisors and Zoning Hearing Board Meetings
  • Bachelor of Science Degree in Education (Earth Science) in 1972 at Mansfield College, Mansfield, PA
  • Continuing Education - State Surveyors Convention Seminars

William T. Cromleigh

  • Employed since 1990
  • Performs property surveys, topographic surveys and construction stake out
  • Responsible for preparation of Sewage Facilities Planning Modules and PA Department of Environmental Protection (DEP) permitting
  • Attends municipal meetings
  • Involved in the collection of water samples
  • Coordinates soils testing for projects
  • Continuing Education - Pennsylvania Society of Land Surveyors Conferences and Seminars

Kevin S. Sapp

  • Employed since 1992
  • Performs property surveys, topographic surveys and construction stake out
  • Primarily responsible for PA Department of Transportation and Highway Occupancy permitting
  • AutoCAD 2000 and utility plan design
  • Responsible for equipment maintenance and repair
  • Associate Degree in Surveying in 1992 at Penn State University, Wilkes-Barre, PA
  • Continuing Education - Pennsylvania Society of Land Surveyors Conferences and Seminars

Kevin D. Varner - P.E. - Director of Engineeering

  • Employed since 1997
  • Civil Engineer - 1997 - Present
  • Registered Professional Engineer - 2000 - Present
  • Responsible for direction and development of all engineering activities 
  • Supervision of engineering staff, project managers and CAD design staff
  • Responsible for project management of commercial, industrial, and residential land development projects
  • Performs drafting and plan preparation
  • Continuing Education - Soil & Erosion Control Seminars, Lancaster County Conservation District Seminars on Sedimentation & Erosion Control Plans

Eric W. Keiser - Director of Technology

  • Employed since 1999
  • Performs property surveys, topographic surveys and construction stake out
  • Preparation of Survey Base Plans in AutoCAD 2000
  • Specializes in the set up and performance of large scale surveys utilizing Global Positioning Systems (GPS) and Aerial Photography
  • Performs project research at the Lancaster County Courthouse
  • Continuing Education - Pennsylvania Society of Land Surveyors Conferences and Seminars

DIEHM & SONS, INC.
 Phone (717) 626-0175   Fax (717) 626-5021
E-mail:
info@diehmandsons.com


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