Project Spotlight: Hudson Valley Hospital MRI Replacement

February, 26, 2019 at 04:00

Horizon Engineering Associates, LLP (HEA) was contracted by Group PMX, LLC to provide design phase commissioning services for the Hudson Valley Hospital MRI Replacement project in Cortlandt Manor, New York. HEA’s scope of work includes commissioning of the mechanical, electrical and plumbing systems to ensure all that all systems and equipment are installed and operating according to design intent.

Client: Group PMX, LLC  

Location: Cortlandt Manor, NY

Q/A with Anthony Grgas, Senior Project Engineer


Have you ever commissioned a project involving an MRI replacement before? If so, what are the challenges with these types of projects that you have faced before and if not, what challenges are you expecting to possibly come across?

I have commissioned an MRI project before and there are many interesting aspects and challenges about them:

  • All building materials within the MRI room must be ferromagnetic (for example-only aluminum lighting fixtures and stainless steel duct)
  • The entire MRI is encased in a shell constructed out of copper sheets/plates to act as a faraday cage and block out radio noise that could interfere with the imaging process
  • The supermagnet within an MRI magnet is usually filled with helium at cryogenic temperatures, that must be provided with a cryogenic venting system as an instantaneous means of venting (in case anything goes wrong with the magnet or magnet cooling system)
  • The cooling is usually provided by a dedicated process chiller, with an emergency domestic water switchover for emergency cooling in case of chiller (or chilled water pump) failure
  • All mechanical equipment must be on critical emergency power circuits.

Part of HEA’s mission is to pursue and obtain high-margin work and services that are both interesting and engaging for our employees. With this in mind, what about this project draws you interest the most?

The emergency venting system within an MRI is definitely an interesting aspect. Their proper functioning could certainly be the difference life and death.

When this project is completed, how do you feel our work will be able to make a positive impact to not only the client, but any patients or staff using these updated systems/equipment?

There is a lot of redundancy built into this project. Documentation of sequence of operations testing (functional testing) will certainly make our client sleep better at night.

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