John F. Harkins
Mechanical Expert Witness

Phone: 484-461-3000
Cell: 610-955-6200

Professional Expert Category


Harkins is particularly sensitive to the unique needs of the pharmaceutical and chemical industries. Within the past few years, Harkins has completed in excess of 30 projects for Merck, Sharp & Dohme of the General Contractors at the West Point site totaling in excess of $2.2 million. Noteworthy among these projects are: Building 2 Cooling […]

Read more ...

MERCK Building 60 Ultra Low Temp. Freezer Repair

Harkins was contacted as a certified ultra low temp refrigeration contractor on an emergency call by MSD. The Cincinnati sub-zero freezer room had never worked properly from the day of installation 1995 thru 2/98. We responded within 24 hours and analyzed the multitude of problems that existed. Corrective work started immediately and was completed in […]

Read more ...


Performed inspection and maintenance during August shout down period to assist and supplement. MERCK’s work force on approximately 150 Ultra low freezer boxes. All work was performed in compliance with MERCK procedures and Federal Join Commisssion (JACO)

Read more ...


Building 38 Polysac Plumbing U.G. and 450 tons of Roof Top HVAC Units . – Building 75-A under slab piping storm, sanitary, lab waste, fire and domestic water ($180,000.00).

Read more ...

E. I. DuPont Nemours & Co.

DuPont Automotive Products – Marshall Labs. Harkins & Harkins Mechanical Services, Inc. has installed a complete HVAC system for the new pigment lab wing. In addition, we have done extensive modification, consisting of approximately 4000 running feet of spiral duct, to the air exhaust system on the five-story test lab. Total sales in excess of […]

Read more ...