Articles by Matthew R. Freije

What to know about ASHRAE 188P

Tech Topic: Legionella

Matthew R. Freije

June 22, 2015

No Comments

Government, industry leaders on brink of unprecedented Legionella prevention agreement.

The Latest on Legionella

Matthew R. Freije

March 1, 2010

No Comments

Plumbing engineers can minimize this prevalent hazard through education and preventive measures.

10 Ways Plumbing Engineers Can Prevent Legionnaires' Disease

Matthew R. Freije

March 1, 2009

No Comments

The goal is to design systems that minimize conditions conducive to these and other bacteria, include preventive measures in operating and maintenance specifications, and document preventive recommendations rejected by the owner.

Ten Ways to Minimize Stagnation in Domestic Water Systems

Matthew R. Freije

May 1, 2006

No Comments

Piping with low or infrequent flows can be a breeding ground for Legionella bacteria, but the following measures will help to prevent these "dead legs"

PM Engineer Magazine

2020 May

The May 2020 issue of PM Engineer includes the annual Fire Protection & Design special section with a look at the hybrid system protecting Gen. George Washington’s tent at The Museum of the American Revolution. The section also examines flue gas venting and a temporary fire protection system that enabled pump room upgrades. Also this month, Julius Ballanco covers the code cost savings, and Dave Yates discusses legionella and COVID-19.

View More Create Account