ENGINEERING
Engineering Team
Director, FCPA
Douglas J. Holdener, P.E.
25 yrs. Civil Engineering Experience
- Engineering Consultant
- Concrete Pipe Producer
- Florida Power & Light Contractor
Texas A&M University (M.S. in Civ. Eng.)
Washington University in St. Louis (B.S., C.E.)

Technical Resource Engineer, County Materials
Angel De Jesus, P.E.
42 yrs. Experience
- Pressure Pipe
- Reinforced Concrete Pipe
- Precast Structural Engineering
- Pipeline Engineering
- Manufacturing, Quality Control/Assurance
Licensed P.E. in Florida
University of Puerto Rico – Mayaguez Campus (B.S. Civil Engineering)

Technical Resource Specialist, Rinker Materials
Melitza Avila
14 yrs. Experience
- Concrete Pipe Manufacturer
- Stormwater Management
ASTM Cmte. Member
- C13 – Concrete Pipe
- C27 – Precast Concrete Products
- F17 – Plastic Piping Systems
- F36 – Technology and Underground Utilities

Technical Resource Engineer, Rinker Materials
Russell Tripp, P.E.
20 Yrs. Experience in Natural Gas Industry
20 yrs. Experience in the Drainage Industry
Licensed P.E. in CA, FL, GA, SC & TX
Clemson University (B.S. Civil Engineering)
