Articles

Table 2: An example of the pressure conversion rate between pounds per square inch (psi) and feet of head (feet). This conversion is used for pressure lift calculations in building water systems. The example shows various building levels and the associated pressure required to deliver water to each level. Courtesy: WSP

Plumbing, Pumping and Pumps

Design basics for booster pumps in high rise buildings

Figure 2: This shows the percentage of last year's commissioning revenue earned by the 2025 Commissioning Giants in the following building types. Data centers and hospitals/health care facilities were the top building types for commissioning revenue last year. Courtesy: Consulting-Specifying Engineer

Commissioning Giants earn even more in 2025

Figure 4: Simplified one-line diagram for a well station. Courtesy: CDM Smith

Case study: How to size circuitry for low-voltage motors at a well station

Figure 2: A heat recovery variable refrigerant flow branch controller in a mechanical room. Courtesy: CDM Smith

Back to basics: How to design industrial HVAC systems

Figure 2: Motor branch-circuit protective device and motor starter installed in a motor control center bucket at a wastewater treatment facility. Courtesy: CDM Smith

Motors and Drives

Know the NEC design requirements for low-voltage motors

Figure 1: This example is from a wire and cable specification dated July 2025, which shows obsolete options for a data center’s medium-voltage specification. Courtesy: Southwire

Electrical and Power

How to ID an electrical specification that needs updates

Figure 1: Isometric overview of a data center site illustrating key cooling infrastructure components, including adiabatic chillers, cooling towers, mechanical room and server layout. Courtesy: ChemTreat

Best practices for water treatment in data center cooling

Figure 5: Building automation system graphic displaying current electrical demand compared to previous month. Courtesy: Affiliated Engineers Inc.

Case study: Using BAS data to detect variations in energy consumption

Courtesy: SmithGroup

HVAC/R and Mechanical

Tailored HVAC design to meet unique needs of university buildings

Courtesy: RMF Engineering

Electrical and Power

Universities focus on sustainability, smart lighting in electrical designs