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Home » Authors » Gary Hamilton P.E., LEED

Articles by Gary Hamilton P.E., LEED

chiller replacement

Chiller Retrofits In Health Care Facilities

One of the worst things you can do is note the capacity and replace the chiller. Have the building loads and usage changed? What about motors and cooling towers? Consider these and your part-load realities to create real long-term improvements.
Gary Hamilton P.E., LEED
July 1, 2014
No Comments
The replacement of chillers for hospitals and other health care facilities are often done out of absolute necessity, and it is often avoided for as long as possible.
Read More
HVAC motor

Motor Selection HVAC Design

Who actually specified that motor? Did they keep the entire system in mind or were they simply specifying one component at a time? And will that spec require over-speeding the motor?
Gary Hamilton P.E., LEED
March 1, 2014
No Comments
Often, an HVAC system is designed by the selection of individual components and not by a whole-system approach
Read More
Ventilation grate

Calculated With Care: Ventilation in Health Care Systems

A Mississippi clinic needed above-average design on a budget. The equipment was nothing unusual. However, creativity and attention to detail uncovered opportunities to fine-tune the design and exceed ventilation benchmarks for less.
Gary Hamilton P.E., LEED
Petrus 900x550
Ionel Petrus, P.E.
November 1, 2013
2 Comments
Engineers’ daily challenges include calculations for outside air, supply air, and return or exhaust air flows — all while balancing mandated code requirements with owners’ expectations for performance, equipment first-cost, and future energy costs.
Read More
doctor with mask

Do No Harm: Protecting IAQ In Health Care Settings

Day-to-day operations and the occasional renovation create two sets of distinct threats to IAQ and patient health.
Gary Hamilton P.E., LEED
July 1, 2013
No Comments
Day-to-day operations and the occasional renovation create two sets of distinct threats to IAQ and patient health. From monitoring stations and magnehelic pressure gauges to multiple resources for design and O&M guidance, the author points to recent projects and current wisdom to create a valuable resource.
Read More
Modular Chiller

Modular Central Utility Plants: A Different Approach

Gary Hamilton P.E., LEED
November 9, 2012
No Comments
Done right, going modular can be a good fit for hospitals in search of efficiency. From design to specification to pre-shipment, the process demands engineering attention to the right details at the right times. Get a designer’s notes from experience and learn how to take advantage of what a modular central plant can offer.
Read More
Medical Facilities

Air Filtration in Health Care Facilities

Gary Hamilton P.E., LEED
July 2, 2012
10 Comments
Just what the doctor ordered: specifics on pre-filters, after-filters, AHU tips, and more to meet critical IAQ goals and prevent that ventilation system from operating in a “fog.”
Read More
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