CONSTRUCTION MATERIAL TESTING: Site Investigations Jeff Zell Consultants offers a comprehensive range of testing and inspection services. Our professional staff of engineers, scientists and technicians has been providing quality control testing and consulting services to the private and public sectors for over 20 years. In our increasing effort to strive for professionalism, we maintain current inspections by the CCRL (Cement and Concrete Reference Laboratory) and the AMRL (AASHTO Materials Reference Laboratory) both of which are recognized by state agencies, e.g., Pennsylvania Department of Transportation (PennDOT). Jeff Zell Consultants provides a wide variety of technical services to owners, government agencies, contractors and developers through its highly skilled staff and efficient applications of current test methods and procedures. The services that we offer include laboratory analysis of construction materials, on-site testing and construction inspection. Materials testing services meet or exceed standards set by ASTM, AASHTO and PennDOT. Examples of services offered include: SOIL MECHANICS - Lab & Field Testing CONCRETE - Mix Designs, Lab & Field Testing (all tests also meet or exceed standards set by American Concrete Institute - ACI) ASPHALT - Mix Designs, Lab & Field Testing ASPHALT RECYCLING DESIGN NUCLEAR DENSITY TESTING DIAMOND CORE DRILLING NON - DESTRUCTIVE TESTING For a more detailed listing of testing services available, we encourage you to contact our office. Our knowledgeable staff is available to assist you with any of your project needs - big or small. Field Testing for Acceptance, Construction Inspection and Project Management can be provided for practically every need. Our project locations have included airports, bridges, jails and highways, just to name a few.