Vincent A. Sakraida, P.E., LEED AP

How to Evaluate an Existing BSL-3 Biocontainment Laboratory

The HVAC and exhaust systems needed substantial repairs and renovations to meet the original system design intent and ensure reliable future operation.

May 20, 2022

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The HVAC and exhaust systems needed substantial repairs and renovations to meet the original system design intent and ensure reliable future operation.

Updating Cleanroom Performance Testing Standards to Meet ANSI Requirements

Vincent A. Sakraida, P.E., LEED AP

November 18, 2021

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A status report on pending updates to the Procedural Standards for Certified Testing of Cleanrooms standard

The Emergence of Grid-Sized Battery Energy Storage System Services

Vincent A. Sakraida, P.E., LEED AP

May 3, 2021

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Energy storage systems will be critical components in future electrical distribution systems.

Choosing the Right Dehumidification Technology

Vincent A. Sakraida, P.E., LEED AP

October 1, 2020

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Perform a detailed technical analysis to determine which dehumidification technology will provide the best performance for a specific application when using a DX dedicated outside air system.

Health Care Supplement | Cover Story

Designing the Built Environment to Prevent Pandemics

Vincent A. Sakraida, P.E., LEED AP

June 18, 2020

One Comment

COVID-19 mitigation options for the built environment.

Selecting the Proper Centrifugal Pump Circuit Flow Control

The appropriate pump control will provide a properly operating, energy-efficient, reliable pumping system.

Vincent A. Sakraida, P.E., LEED AP

September 23, 2019

One Comment

Beyond the wheel, the most important mechanical equipment serving humanity is the centrifugal pump.

Critical Facility Mechanical Equipment And System Reliability

Come to terms with the key terms, and learn how to wrestle with the cumulative effect as each component tries to edge the overall system reliability downward.

Vincent A. Sakraida, P.E., LEED AP

March 29, 2013

One Comment

In today’s world, so-called “high-performance, sustainable” facilities are a dime a dozen. But many of these buildings rely on overly complex mechanical systems to carry out their mission.

Cleanroom Variable Airflow Design

Vincent A. Sakraida, P.E., LEED AP

April 27, 2012

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Appropriately enough, a good variable airflow design accommodates and refines a number of design variables. Particle monitoring strategies, minimum supply air calculation, HVAC sequencing, and space pressurization are just a few stops on the way to spotless performance.

Basics For Absorption Chillers

Vincent A. Sakraida, P.E., LEED AP

March 1, 2009

2 Comments

If motor-driven vapor compression chillers are much more energy efficient than absorption chillers, then why are we even having this conversation? In a hunt for LEED® points or in applications with certain demands, absorption could be just the ticket to sustainability and/or economy.

Basics For Refrigerant Chillers

Vincent A. Sakraida, P.E., LEED AP

December 1, 2008

No Comments

That pretty much covers it. You know, design options, performance standards, part-load values, operating factors, and more. Use it as a quick brush-up, or pass it along as a handy reference.