USP 800 Pharmacy HVAC Testing – The Devil is in the Details: Part 1

Posted by Matt Napolitan on Oct 23, 2019 10:00:00 AM

A large healthcare client of ours recently opened a brand new USP 800 compliant compounding pharmacy, which we commissioned. We collaborated with the engineering team and the hospital during the design phase to help ensure prior issues weren’t repeated, and the hospital’s concerns were thoroughly articulated and addressed. At the conclusion of the design phase, the team was confident that the design direction was solid and would give the hospital what they were looking for.

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Topics: healthcare, commissioning, HVAC, USP 800

Understanding the Basics of a Ground-Coupled (Closed Loop) Heat Pump Design: Part 1

Posted by Tate Colbert on Oct 9, 2019 10:00:00 AM

The ground source heat pump is a wonderful technology that will be vital in achieving energy efficiency goals this century. This technology isn’t new, but it is beginning to become more accepted as a viable solution for large scale, high efficiency HVAC performance. There are two main types of ground source heat pump systems: those that are “Ground Water” (also called Open Loop) and those that are “Ground-Coupled” (also called Closed Loop), see Figure 1 below. In either case, the water from the ground is pumped to a heat pump, where heat is either extracted out of or rejected into the ground and moved into or out of the conditioned space.

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Topics: commissioning, HVAC, Heat Pumps

Do Sweat the Small Stuff: Seemingly Small Issues Can Wreak Havoc in Buildings

Posted by Walker Calderwood on Jun 19, 2019 10:00:00 AM

Sometimes certain parts of the commissioning and retrocommissioning process can seem trivial to both the contractor and the commissioning agent. Of course, the process involves some important and significant checks, such as ensuring the piping design detail matches the as-built piping, and that the specified ductwork sizes match the as-built ductwork size. But the commissioning process also deals with some of the finer details that may not seem as consequential or that have already been checked by multiple parties. So, why would the commissioning agent also need to check it again? In this post I am providing a couple examples of real-world commissioning issues that we’ve found. Each is an excellent reminder of why the seemingly minor commissioning verification steps are still required and important, even though they may seem inconsequential.

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Topics: Building Performance & Technology, retrocommissioning, commissioning

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