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Category Archives: Energy

Mid-Atlantic Ocean Port

Mid-South Engineering worked with a national conveyor supplier & fabricator to engineer & design the structural support systems for the conveyors at a Pellet Loadout Facility at a major international port facility. Mid-South was responsible for the structural engineering and design (member sizing) of the conveyor truss systems, bent support systems, and all transfer structures; including head houses on the top of the storage domes. This facility is capable of storing up to 90,000 metric tons of wood pellets and shipping the pellets around the world. There were many obstacles and clearances requiring special engineering of some support bents to allow for both vehicle (Tractor Trailer) and railroad passage for both during construction as well as once the facility was operational.


South Carolina Pellet Plant

Mid-South Engineering was selected to be the Owner’s engineer on this greenfield project. Our services included coordination of multiple EPC vendors, complete detailed electrical engineering, and piping design. Mid-South Engineering also provided procurement assistance for material handling equipment, electrical equipment, buildings, and multiple installation contracts. Additionally, we provided complete document control and full time on-site construction coordination.


Vermont Biomass Power

Provides power to two independent district heat systems; one steam, one hot water. Two antiquated boilers were removed. A new power plant was added next to the original structure. All work had to be done in a historic preservation and flood plain area. The expanded building could not reduce the number of parking spaces in the State Capital district. New fuel receiving, fuel processing and storage systems, two new biomass boilers and ESP’s, and auxiliary systems were installed. A steam to hot water system was installed to provide the hot water district heat system. All systems were designed to add a turbine-generator set in the future.


New York Biomass Power

This project converted an idled 60 MW coal fired power plant to a 60 MW biomass fueled power plant. A new fuel yard was added, the original coal yard was rebuilt, fuel bins and fuel handling were rebuilt, upgrades were made to three boilers including adding vortex breakers, expanding the mechanical dust collectors, structurally modifying bag houses, new ID fans, expanded station services, new DCS, and new cooling tower.


North Carolina Biomass Power

This plant originally used coal for fuel. An upgrade program was done to convert it to biomass power. Modifications included a new fuel yard, rebuild of an existing fuel yard, new fuel handling including new metering binds, OFA system, added mechanical dust collectors, new bottom ash and fly ash handling systems, new ID fans, expanded station services, new DCS and other modifications.


Virginia Pellet Plant

Both facilities produce 500,000 metric tons of high-quality wood pellets annually from a mix of roundwood and purchased chips, which are loaded out by truck and delivered to a port facility in Virginia. Construction of Virginia site overlapped that of the North Carolina facility, and started up within a year of North Carolina’s first pellet. This site had unique challenges due to the soil conditions, and the design process was very dynamic as learnings from the previous facilities were being incorporated during design. Services provided included process design, project controls, detailed design (mechanical, electrical, civil, structural), and site construction support.


North Carolina Pellet Plant

Designed by Mid-South Engineering to produce 500,000 metric tons per year of high-quality wood pellets for the export market. The process incorporates both roundwood and chip receiving, and complete processing into pellets in a highly automated plant that includes chipping, drying, sizing, pelletizing, and automated load-out.


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