Articles

Consulting-Specifying Engineer November/December 2025

Electrical and Power

Read the November/December 2025 issue

Figure 2: The differences in an underground aquifer in the summer and winter. Courtesy: SmithGroup

Below the surface: The hidden power of aquifers

Figure 4: Construction progress for a cryo-EM room. Courtesy: Smith Seckman Reid

HVAC/R and Mechanical

Challenges in designing HVAC systems for critical laboratory research

Events and Awards

2026 40 Under 40 program open for nominations

Figure 4: NEC Chapters 6 and 7 can be used together to properly design microgrids using renewable energy sources. Article 690 details the requirements of photovoltaic electrical energy systems, including arrays, inverters and controllers. Article 705 defines the connections to a primary source of electricity such as the utility grid. Articles 706 and 710 include guidelines for energy storage systems and their installation and operation as stand-alone systems. Courtesy: CDM Smith

Electrical and Power

What to know about NEC 2023 in electrical design

New program outlines 2026 sessions on commissioning practices

Figure 2: A detail of a vertical multistage domestic water booster pump assembly. The unit is a triplex skid mounted assembly with a hydro-pneumatic tank, control panel with variable frequency drive capabilities, and a pump bypass. Courtesy: WSP

Booster pumps for buildings with future high-rise vertical expansion

Do you know whether your salary is competitive?

Consulting-Specifying Engineer’s Product of the Year

Product of the Year program accepting entries through end of January

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