JAMES DERRICK HAM, PE
ABOUT DERRICK
Derrick is is the President of EN-TECH Engineering, PA with 20 years of experience in building and industrial system design as well as engineering field support. Design experience includes lighting design, motor control, grounding, lightning protection, HVAC, plumbing, electrical systems protection, fire alarm systems, solar farm design, process controls and instrumentation. Design analysis expertise includes performing short circuit analysis, arc flash analysis, load flow analysis for building electrical systems, and HVAC load calculations. His knowledge of HVAC includes split-system heat pumps, package units, heat recovery systems, dehumidification, and radiant heating.
He also has extensive experience through prior field assignments, in actual construction and systems start-ups.
EDUCATION: BS, Electrical Engineering – North Carolina State University (2001)
LICENSE & REGISTRATIONS: Professional Engineer – State of North Carolina & Commonwealth of Virginia
SPECIALTIES: Low and Medium Voltage Industrial Distribution, Controls, and Instrumentation
OUR TEAM
BENJAMIN E. ROLLINS, JR., PE
ABOUT BENNY
Benny has more than 30 years experience in commercial and industrial HVAC systems design, contracting, project management and estimating, He specializes in HVAC energy management, peak load management and chilled water systems. He also has extensive experience with comfort HVAC, process HVAC, process & service piping, equipment operating cost analysis and HVAC controls. The broad background of systems provides necessary expertise to provide innovative systems design routinely applied to projects.
Benny has provided designs of all types of commercial HVAC systems including split system heat pumps, water source heat pumps, central VAV systems, radiant floor heating, central hot water systems, heat recovery systems and humidification. He also provides designs of commercial lighting and power. All systems design exceeds the requirements of the Energy Code providing credit for LEED certification.
Benny also has experience in the heavy commercial and industrial fields designing innovative, energy conserving chilled water systems, heat recovery and process cooling systems. Other experience includes cold air distribution, hot water and ice thermal storage, clean steam systems, waste water heat recovery systems and exhaust heat recovery systems.
EDUCATION: Bachelor of Science, Mechanical Engineering – North Carolina
State University (1978)
LICENSE: Professional Engineer – State of North Carolina, South Carolina & Commonwealth of Virginia
AFFILIATIONS: American Society of Heating, Refrigeration and Air-
Conditioning Engineers
SPECIALTIES: Innovative Systems Design, Cost Estimating, HVAC Systems Modeling, Plumbing, Mechanical & Electrical Engineering, Project Management