Power
It's a new world out there. The means and methods of generating
and supplying the power to fuel it, move it, light it and improve
it are rapidly evolving. Graycor is helping clients stay ahead,
build cleaner ways to burn, and greener ways to help our clients
energize homes all across the country. Graycor's long-term
relationships with many of the power industry's leading
corporations is a result of our total commitment to meeting the
ever-changing needs of their market.
We specialize in providing progressive management, aggressive
scheduling and the kind of forward thinking required to keep our
power clients on the cutting edge.
Our team handles a full complement of construction services,
including balance-of-plant work for environmental, new
generation, transmission and
distribution, wind power and nuclear facilities, as well as alternative fuel
plants.
The Industrial group also encourages power clients to partner
with Graycor Blasting for the most
experienced, reliable and responsive industrial cleaning and
maintenance experts.
For more information about power construction, contact Graycor
Industrial senior vice president, Tom
Gore.
For more information about nuclear construction, contact Adam Brown, business development manager, Graycor Industrial.
Projects
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In partnership with Sargent & Lundy, Graycor Industrial designed, furnished and installed Activated Carbon Injection (ACI) systems for 12 boilers at six Midwest Generation plants throughout central and Northern Illinois. In ACI technology, powdered activated carbon sorbent is injected into the flue gas duct where the sorbent binds with the mercury in order to prevent the mercury from being …
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This project required coal-handling and crusher-house modifications and upgrades. The project scope included installing a new radial stacker and conveyor gallery and expanding the transfer house. Our team also modified the head and tail pulley system to increase the speed of all major conveyor sections. Graycor assisted in the planning, scheduling and budget development.
Our involvement exten…
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A flue gas desulfurization (FGD) project was recently completed for American Electric Power Service Corporation (AEP) in Brilliant, Ohio. Construction of the 18-month project consisted of retrofitting AEP's 630-megawatt Unit 3 with equipment to reduce sulfur dioxide (SO2) emissions. More than 1,700 tons of structural steel was used to construct six structures. Well before the project began, Gra…
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This design-build project at the power producer's Marseilles, Illinois, location included construction of the office and service buildings inside of the protected area. Scope of work involved installation of five 115-ton rooftop air conditioning units as part of the mechanical equipment package. The Graycor Industrial team also enclosed the railroad track way, constructed a high-bay mechanical m…
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This design-build project included construction of a two-story administration building, as well as a three-story high-bay building inside of Dresden's protected area. Project scope also included a two-story interconnecting walkway, locker rooms, cafeteria and mechanical shops. In addition, a halon fire-protected records vault was installed. The project team also completed final tie-ins to the ex…
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Graycor Industrial replaced two 40,000-lb./hr heating boilers inside the Dresden Station protected area. Scope of work for this project also included all boiler and related equipment installation, a new stack, and auxiliary work. All work performed for this project required "hot area" precautions.
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This project included excavation, removal and replacement of existing 12-inch fire main encircling the turbine building inside of the protected area. Before beginning the project, the Graycor Industrial team probed for locating existing underground utilities. Fine excavation was completed using high-volume vacuum trucks.
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Graycor Industrial completed the construction of a dry cask storage system at Point Beach Nuclear Plant in Two Rivers, Wisconsin. Scope of work included construction of eight new ventilated concrete storage casks (each 11 foot by 18 foot), two large VCC and ISFSI storage pads, perimeter security fencing and a pre-engineered building with foundations. In addition, the Graycor Industrial team comp…
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Graycor Industrial was contracted to construct an enclosed 138kv-13.8V substation - housing for an electrical transmission and distribution center - in downtown Louisville.
Building the new substation called for demolition of the previous facility, located on the future site of a multi-purpose arena. The project included site work, CIP concrete structure, PVC roo…
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Graycor Industrial constructed a 300-megawatt peaker plant for University Park Energy, LLC. The facility produces electricity for sale on the wholesale market during periods of peak demand. We furnished labor, materials, equipment and supervision to erect six Pratt and Whitney twin-pack combustion turbines. Additionally, Graycor performed all excavation, concrete, p…
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The Southeast Chicago Energy Project was a joint effort by Exelon Generation and Peoples Energy′s (PERC) Power Generation team, a direct subsidiary of Peoples Energy, that develops, owns and operates power generation facilities.
The Chicago Energy Project was constructed on a site about 10 miles from downtown Chicago and now adds power generation capacity to the city of Chicago, while helping…
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As part of Bighorn Constructors, Graycor Industrial completed engineering, procurement and construction (EPC) work on Reliant Energy′s 548-megawatt combined-cycle power plant to serve the surrounding region. The project involved installation of two combustion turbines, one steam turbine, two heat-recovery steam generators, an air-cooled condenser and a switchyard.
Bigh…
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Reliant Energy contracted GSSL joint venture - between Graycor, Sachs Electric Co. and Sargent & Lundy LLC - for the design-build construction of an 870-megawatt, simple-cycle peaker plant in Aurora, IL. Work included installation of 10 combustion turbines, erection and implementation of a control building, installation of massive raw water and denim tanks, site …
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This joint venture was managed by Graycor Industrial and completed construction of a simple-cycle peaker plant in University Park, IL. The facility generates 530- megawatts of supplemental electrical power during Chicago′s peak power periods.
The project included installation of 12 natural gas-fired combustion turbine generators, as well as civil construction. Houston-b…
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Graycor Industrial was contracted by EPC Siemens Westinghouse to construct a 300-megawatt, natural gas-fired peaker power-generation facility for the Calumet Energy Project in Chicago. Hired as the general contractor, Graycor handled all site and construction work, design of various project components, and purchase of select construction equipment. Calumet E…
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Graycor Industrial performed coal-handling modifications and upgrades for long- time client Midwest Generation at its Fisk Station, including the installation of a 45-degree-angle conveyor and reversal of the five major conveyor sections. Our team assisted in the planning, schedule and budget development, and was responsible for project management and all constructability is…
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The Allen S. King Plant′s Metropolitan Emissions Project included a selective catalytic reduction (SCR) retrofit and air quality control system (AQCS) installation. Two outages were scheduled. The first consisted of removing ductwork and associated steel, and installing new structural steel and transition ductwork. The second outage included final tie-ins and installation of the catalyst. The to…
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Graycor was contracted to construct NIPSCO′s largest SCR/air heater unit to date. Work included demolition of the existing tubular air heater, erection of structural steel, fabrication and installation of four distinct duct systems, an Alstom Lungstom Air Pre-Heater, an SCR and associated civil and architectural equipment.
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Associated Electric Cooperative, Inc. awarded Graycor Industrial an environmental controls retrofit project near Clifton Hill, located in northern Missouri. The fast-track project consisted of installing two air heaters and two selective catalytic reduction (SCR) units, demolishing and rebuilding an existing electrostatic precipitator, and performing associated ductwork, structural steel and ins…
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City Water, Light & Power (CWLP), the largest municipal utility in Illinois and sole supplier of electricity for the state capitol of Springfield, contracted Graycor to install the first three selective catalytic reducers (SCRs) at its Dallman power station. The SCRs were designed to reduce nitrogen oxide emissions from the facility′s three existing coal-fired, steam-turbine units. Work incl…
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This two-phased project involved installing flue-gas desulfurization (FGD) and selective catalytic reduction (SCR) systems to reduce sulfur dioxide and nitrogen oxide emissions from the plant′s Unit No. 4. Phase one of the project consisted of substructure work, including foundations, underground utilities, roadways, site grading and surfacing. Phase two involved all superstructures supporting t…
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Graycor Industrial recently completed an environmental retrofit project at Ameren's Duck Creek power station, a 440-megawatt, coal-fired generation facility, located in Canton, Ill. The fast-track, design-build project included replacing an existing FGD system with a wet flue gas desulfurization (WFGD) system.
The new scrubber system will more efficiently remove, or "scrub," sulfur dioxide…
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Graycor Industrial served as construction contractor for Lurgi Lentjes of North America on its new SCR installation. In addition to renovation and modification of the existing facility, the project required demolition of existing air heaters and ductwork. Work also involved an eight-week tie-in outage of ductwork and new operating systems, including the ammonia system.
