Case Study

Figure 1: A 1,000 hp, 460 V motor driven by a variable frequency drive. Courtesy: CDM Smith

Case study: Tips for replacing a motor or drive

Figure 4: Example of single-ended secondary unit substation arrangement with secondary bus ties for partial redundancy. Courtesy: CannonDesign

Case study: Mission critical lab achieves power redundancy and resiliency

Figure 4: Facility uninterruptable power supply at Washington Suburban Sanitary Commission water consolidated laboratory. Courtesy of: CDM Smith

Case study: Expanding capacity, enhancing safety at a lab building retrofit

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Case Study Continued

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

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 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

Figure 5: Annual emissions versus heating plant configuration. Courtesy: SmithGroup

Case study: Evaluating heating plant configurations in a low-carbon grid region

Figure 2: Flowchart outlining key steps to a successful controls integration project from early design coordination to final commissioning. This visual emphasizes how proactive planning, clear documentation and cross-discipline collaboration contribute to smoother project delivery. Courtesy: Page

Case study: How to avoid gaps in controls integration: use a hybrid approach

Figure 2: Luminant, a subsidiary of Vistra Corp., operates the Independence Power Plant in Oswego, New York, that has a generating capacity of 1,212 megawatts (1,212,000 kilowatts hours). Courtesy: EarthTronics

Case study: LED lighting upgrade saves New York power plant energy

Figure 7: Projected greenhouse gas emissions by heating technology for U.S. Environmental Protection Agency Emissions & Generation Resource Integrated Database (eGRID) subregion SRMW using Cambium 2022 mid-case scenario. Courtesy: Smith Seckman Reid

Models show electrification options in a manufacturing facility

Figure 6: Arlington County Water Pollution Control Plant preliminary treatment building odor control duct to gravity thickeners. Courtesy: CDM Smith

Case study: Upgrading a ventilation system to determine how to treat air

Figure 3: Water-source heat pump installation at 1 Java Street. This heat pump serves one of the residential apartments within the building. Courtesy: CDM Smith

Case study: How New York City’s largest residential building achieved efficiency

Figure 5: Piping manifold secondary distribution piping to geothermal bore field. Courtesy: CDM Smith

Case study: How one city is using energy-efficient geothermal systems