Rolph A. Graf

Senior Consultant / P.E. / Philadelphia


Mr. Graf is an engineering graduate of the Pennsylvania State University and has been a licensed Professional Engineer in the State of Pennsylvania since 1992 specializing in civil, sanitary and structural engineering.  He has over 30 years of diverse engineering, design, and management experience working in the land development industry and over eight years of forensic engineering and consulting experience. 

Mr. Graf’s land development experience includes design, permitting and project management for residential communities, life care facilities, educational facilities, industrial centers, shopping centers and general retail development. Specific tasks and areas of expertise include site feasibility analysis, zoning and subdivision/ land development ordinance interpretation, expert testimony, site grading, floodplain analysis, stormwater management facilities, BMP design, erosion and sedimentation control design, roadway design, sanitary sewer, potable water, and construction permits.

Mr. Graf’s forensic consulting experience includes building code compliance; construction defects; construction zone safety and security; demolition failures/ collapses; earth settlement; erection bracing; erosion; façade failures; flooding due to natural and man-made causes; foundation failures/settlement; frozen water pipe/ faucet damage; hail damage; hurricane/flood damage; means of egress configuration and lighting; porch separation/ collapse; retaining wall failures; roadway failures; roof damage and roof leakage; sewer performance; sinkhole development; sinking structures; site grading; slip and fall; snow & weight of ice/water damage; stone masonry damage; stormwater management facilities; structural collapses/ failures; swimming pool damage; termite damage; trip and fall; underground storage tank leakage; water main & sewer breaks; wind damage; and wood rot. 

Representative Engagements

  • Cause, origin and duration of property damage.
  • Code, ordinance, and regulatory compliance, including ADA.
  • Construction contract compliance, including soil erosion and sediment control.
  • Design deficiencies and construction defects.
  • Foundation and retaining wall settlement and cracking.
  • Flooding and stormwater management issues.
  • Pavement distress and failure
  • Structural building and component failure.
  • Tree and vehicle impacts.
  • Underground utilities and infrastructure.

Education and Registrations

  • B.S. - Mining Engineering – The Pennsylvania State University
  • Professional Engineer (PE) - Licensed in Pennsylvania