Health Care HVAC

Back 2 Basics

Building Program to Basis of Design for an Assisted Living Building Renovation Project

By Howard McKew, P.E., C.P.E.
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At some point in time, most building owners make the business decision to build, renovate, or expand their facilities.
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Case In Point

Plastic cooling towers cure hospital’s maintenance, energy cost symptoms

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It’s no secret that hospitals contain some of the most diverse and demanding environments that require dependable performance of the HVAC system.
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Case In Point

Kansas hospital achieves big city IAQ, efficiency

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When Geary Community Hospital (Junction City, KS) underwent a $34 million expansion, it was promised a cutting-edge HVAC design that would reduce maintenance costs, increase energy efficiency, and provide unprecedented IAQ.
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Tomorrow’s Environment

When To Rebalance Chilled Water And Hot Water Systems

Health care facilities are just one example where rebalancing not only ensures environmental quality but also enhances energy usage.
By Howard McKew, P.E., C.P.E.
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There are no industry standards for rebalancing HVAC water systems, so it got me thinking about the topic and I came up with several questions pertaining to rebalancing chilled water, condenser water, and hot water heating systems.
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Patient Rooms: CFD For Better IAQ

Can a location of air return affect the flow path of airborne pathogens in a patient room? Use simulations to manage the variables and improve the design in a space that is no room for error.
By Kishor Khankari, Ph.D.
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Air is the primary carrier of heat, moisture, contaminants, and airborne pathogens in patient rooms, isolation rooms, and operating rooms.
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Chiller Retrofit: The Attraction Of Magnetic Bearings

With multiple expansions and projects, a DC-area hospital also had to plan for cooling that could keep up with developing demands and spaces.
By Richard M. Heim, P.E., LEED AP and Paul J. Orzewicz, P.E.
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When the facilities management staff of Mount Vernon Hospital completed an assessment of its central chilled water plant, it became evident that while the original chillers had served the hospital well since its opening in 1975, they were ready for replacement.


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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.
By Gary Hamilton P.E. and Ionel Petrus P.E.
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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.
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Case In Point

∆T is for Texas: upgraded valves and a good cleaning attack hospital’s chilled water symptoms

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The Houston Methodist Hospital in Houston, TX, comprises over 5 million sq ft and includes a central utility plant, steam production, and CHP capable of producing 14,800 tons of chilled water capacity.
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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.
By Garold Hamilton P.E. LEED®
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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.
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Managing Smoke In A Health Care Facility

The special nature of the occupants and activities in these facilities create special IAQ requirements, and the concerns only multiply when fire and smoke enter the picture.
By William E. Koffel, P.E., FSFPE
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The special nature of the occupants and activities in these facilities create special IAQ requirements, and the concerns only multiply when fire and smoke enters the picture. See how current codes and designs employ a combination of active and passive strategies, building on past approaches to minimize future incidents.
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Check out highlights from projects featured in our magazine this year!
9/25/14 2:00 pm EDT

Test Anxiety? Learn How and When to Test Your Standby Generator

This webinar will discuss generator reliability, testing, and troubleshooting from a practical perspective and make recommendations for a comprehensive inspection and testing program.

Engineered Systems Magazine

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2014 September

Check out the September 2014 issue of Engineered Systems, with features on radiant panels, refrigerant flow systems, and much more!

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