Roger W Griffith, P.E.

01/29/2025

Deciphering the codes for fire protection standpipes https://bit.ly/3Cqi6Ym

01/15/2025

Designing and specifying emergency eyewashes and safety showers

Explore key best practices for emergency eyewash and safety shower systems, highlighting compliance standards and design strategies to ensure effective safety measures in hazardous workplaces.

01/15/2025

How low-use fixtures contribute to drainpipe corrosion and blockage

The shift to water-saving plumbing fixtures has increased drainpipe corrosion and blockages, especially in cast iron and copper pipes. While regulations like the 1994 Energy Policy Act promote water conservation, they also lead to solids buildup, compromising pipe integrity and highlighting the need...

01/13/2025

Do you know the difference between "flexible air ducts" and "flexible air connectors?" Hint: They are not the same. https://bit.ly/4jdCEDS

01/13/2025

Fire pump systems design and coordination

  Learning Objectives Understand code requirements for fire pump systems, including NFPA 20. Learn how to size a fire pump and jockey pump. Grasp the | Consulting - Specifying Engineer

12/09/2024

How to design and specify emergency eyewash and safety showers

Having reliable emergency equipment ready for immediate use in case of exposure is critical.

08/13/2024

Best practices for RTU design -

Specifying rooftop units (RTUs) involves much more than choosing unit types

06/14/2024

Underground Gas Piping System Requirements in the I-Codes

This CodeNotes resource provides an overview underground gas piping system requirements based on the 2021 International Codes.

06/12/2024

Learn to specify pressure-regulating devices in water-based fire protection.

Pressure-regulating devices are required to maintain safe system working pressures

05/28/2024

Mixing valves play a crucial role in water safety

Legionella is a concerning bacteria found in freshwater environments. When inhaled, it can cause Legionnaire's disease, a severe form of pneumonia, especially dangerous for those with weakened immune systems.

05/09/2024

A Plumber's Guide to Backwater Valves

Sewage backup can wreak havoc on properties, leading to costly repairs and potential health risks.

05/09/2024

Point-of-use water disinfection: a public health solution

Point-of-use (POU) water disinfection isn't just about public health; it's also an essential engineering strategy in modern water systems, tackling waterborne diseases by ensuring safe drinking water directly at the point of consumption.