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Home » Authors » Steven G Liescheidt P.E., CCS,
Steven G Liescheidt P.E., CCS,

Steven G Liescheidt P.E., CCS,

Steven G. Liescheidt, P.E., CCS, CCPR, is owner of SPPECSS Consulting, LLC. He can be reached at stevengl1@sbcglobal.net.

Articles

ARTICLES

building envelope systems

Clean Air: Design with Care

As buildings have become tighter with improved building envelope systems and inoperable windows to minimize energy use, IAQ and IEQ have become primary considerations for professional engineers and architects.
Steven g liescheidt
Steven G Liescheidt P.E., CCS,
June 14, 2022
No Comments

As buildings have become tighter with improved building envelope systems and inoperable windows to minimize energy use, IAQ and IEQ have become primary considerations for professional engineers and architects.


Read More
Brass monkeys

Engineering Ethics in the Built Environment

A rationalization of 'we’ve done it this way all the time' doesn’t make something right or ethical.
Steven g liescheidt
Steven G Liescheidt P.E., CCS,
March 17, 2022
No Comments

A rationalization of 'we’ve done it this way all the time' doesn’t make something right or ethical.


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Chemistry Laboratories

Design Considerations for School-Based Chemistry Laboratories

Steven g liescheidt
Steven G Liescheidt P.E., CCS,
April 2, 2021
No Comments

Whether it be enhanced air particulate filtration with higher MERV ratings; increased outside air volume; or other technologies, such as UVC, the focus is clearly on protecting students and teachers.


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Air Distribution

Air Distribution: The Essential Codes, Criteria, and Considerations

As a result of the coronavirus, air distribution codes, standards, and design guides have become more important than ever.
Steven g liescheidt
Steven G Liescheidt P.E., CCS,
May 11, 2020
No Comments

Engineering plays a definitive role when it comes to establishing the functional requirements of an occupied or unoccupied space’s supply air methods and devices. 


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IAQ and IEQ

IAQ and IEQ -- By Whose Authority?

Who has the authority, responsibility, and liability for keeping the air clean?
Steven g liescheidt
Steven G Liescheidt P.E., CCS,
January 27, 2020
No Comments

Professional engineers and architects have legal responsibilities and liabilities as dictated by state statutes. 


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HVAC Product Selection and Specification — Keep it Dependable

HVAC Project Specification: Don't Underestimate a Product's Functional Requirements

High-level, concept thinkers must also think about the details of product selection.
Steven g liescheidt
Steven G Liescheidt P.E., CCS,
May 17, 2019
No Comments

HVAC product selection is not as easy as it sometimes seems. For sure, the key part of engineering is the KIS principle (Keep It Simple).


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Airflow Measuring/Monitoring/Controlling — Points to Ponder

The Risks of Not Monitoring, Measuring, and Controlling Airflow

Steven g liescheidt
Steven G Liescheidt P.E., CCS,
December 18, 2018
No Comments

What risks are being taken to not measure/monitor/control airflow directly and who is at risk?


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Finding Simplicity in Hydronic Flow Control

In HVAC Hydronics, What's Not Directly Measured is Not Directly Controlled

Steven g liescheidt
Steven G Liescheidt P.E., CCS,
September 12, 2018
No Comments

Controlling the flow in an HVAC hydronic system can be simple or it can be complex depending on the design intent.


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Cannabis Cultivation Facilities: UV-C's Role In Protecting Crops & Efficiency

Life Safety Dampers: Installation, Operation & Maintenance Liability

Steven g liescheidt
Steven G Liescheidt P.E., CCS,
June 7, 2018
No Comments

Whether we’re talking a single building or a larger campus, proper strategy for this key HVAC component requires the right team working at the right times. Both physical and fiscal safety may depend on it.


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Commercial Kitchen Ventilation: Design Challenges

Commercial Kitchen Ventilation: Design Challenges

Complex space/pressure relationships, grease management issues, and outside consultants represent just part of the recipe that the mechanical engineer must master.
Steven g liescheidt
Steven G Liescheidt P.E., CCS,
January 9, 2018
No Comments

Commercial kitchen ventilation (CKV) has been a challenge to mechanical engineers for years. Part of the challenge comes from the fact that the mechanical engineer is normally not the “kitchen consultant.


Read More
View All Articles by Steven G Liescheidt P.E., CCS,
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