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We are proud to announce that CCG Automation has been acquired by Automated Logic and is officially joining the Automated Logic and Carrier family.
CCG’s strong, client-focused approach to business and our long-time partnership with ALC makes this a natural fit. And we are proud to bolster ALC’s efforts in northeast Ohio.
While our name will change, our DNA will not. We will continue to operate from our Richfield office, with the same team and the same commitment to quality that’s always defined CCG. What’s different is the opportunity now in front of us — to grow our capabilities, take on larger projects and expand the value we bring to the market.
We are excited to join the ALC and Carrier team and look forward to what the future holds!
Learn more: https://www.automatedlogic.com/en/news/news-articles/automated-logic-completes-acquisition-of-ccg-automation--expanding-presence-in-ohio.html
Critical Room Pressure Testing
Controlling the environment in a healthcare facility is very critical to the safety and comfort of patients, and the productivity of the healthcare team. An important aspect of a properly controlled environment is the pressure relationship between rooms.
An example of a room requiring positive pressure with respect to its adjacent spaces is an Operating Room (OR). A positive pressure is maintained in the OR to prevent airborne pathogens from entering the surgical space - protecting the patient and maintaining equipment cleanliness.
A room requiring negative pressure with respect to its surrounding spaces is an Airborne Infection Isolation Room. Negative pressure is maintained in the Isolation Room to contain airborne contaminants and exhaust them out of the building.
At CCG, we are responsible for the proper pressure control of these spaces, in addition to the Temperature and Humidity. A Room Pressure Monitor (RPM), which reads the difference in pressure between the controlled room and its adjacent space, is installed and wired to the building automation system. This provides a digital readout of the difference in pressure between the two spaces.
As with any technology, maintenance is required and issues arise, and verifying the readings of the RPM is necessary. To verify the accuracy of these devices a test instrument with two probes needs to be utilized. One probe reads the pressure in the controlled room, while the other reads the pressure in the adjacent space.
Imagine a technician holding a meter outside the OR door, running a plastic tube under the door (at least 3 feet into the space so the opening under the door doesn’t impact the readings), while keeping the door closed to get an accurate reading. There is so much wrong with this process. First, taking a tube from a technician’s truck and running it into the sanitized OR is counterintuitive. Second, during the daytime, when these problems are usually found, the OR is hopefully booked for the day. Having a technician with a tube at the door of an occupied OR isn’t productive or safe. If the room has a seal under the door there is an added issue where the door will need to be open to insert the tube, which could result in faulty readings.
Where rooms require an RPM, CCG installs a through-the-wall test device that allows our technicians to remove a rubber cap and plug their test instrument onto the fitting to read the pressure in the critical room - while standing outside the room, not in the doorway.

The above diagram shows a cutaway of a wall between a critical room and its adjoining space. A rubber tube is used as a conduit between the two rooms.

The photo above shows the pressure plate on the left with a filter in the middle, which is installed in the pressure-controlled room. The plate on the right, with the barbed fitting, is in the hallway in the case of an OR.
Small things can have a great impact. It takes a committed creative team to think outside the box.
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