Case Studies

Case Study July 26, 2022

Case study: Airport electrical system upgraded

A Houston airport renovation added switchgear for additional electrical support

By Taiwo Atoki, PE, LEED AP
Case Study July 25, 2022

Case study: Government building includes VRF system

An award-winning new council chamber for City of Johannesburg uses variable refrigerant flow and displacement ventilation HVAC systems

By Pieter de Bod
Case Study July 20, 2022

Case study: Hospital emergency power upgrades

MedStar St. Mary’s Hospital emergency power upgrades

By Philip E. Mackey
Case Study June 8, 2022

Case study: Window sprinklers for exterior wall protection

Selecting window sprinklers for fire protection

By Kyle J. Lehman
Case Study May 27, 2022

Case study: How the Texas freeze event affected fire sprinklers

The deep freeze in Texas affected many systems, including fire sprinklers and backflow prevention devices

By Jarron Gass
Case Study May 24, 2022

Case study: Theater HVAC issues resolved

A theater’s rooftop units were replaced to aid in dehumidification

By John Song, PE
Case Study May 19, 2022

Case study: Vulnerability analysis of a health care facility

A vulnerability assessment uncovered gaps at a federal health care building

By Ryan Searles
Case Study April 20, 2022

Case study: Calculating an exhaust system

Referencing code and using the correct calculations will allow the design to exhaust a battery room properly

By Randy Schrecengost
Case Study April 11, 2022

Case study: Hospital surgical suites rebalanced

A hospital’s air handling system had to be reconfigured so that pressurization remained at the correct levels

By Larry Wilson
Case Study March 21, 2022

Case study: Hospital sprinkler system

A retrofit sprinkler system in a hospital required additional waterflow switches

By William E. Koffel, PE, FSFPE, Koffel Associates, Columbia, Md.