Herrin Hospital Inpatient Expansion

Herrin Hospital – Herrin, Illinois

A 60,000 sq. ft. inpatient addition and renovation increasing the overall hospital to 235,000 sq. ft. This expansion triggered an emergency power upgrade as the existing emergency power system lacked redundancy and capacity necessary. ASCO paralleling gear was incorporated to allow paralleling of an existing 300kW generator with a new 400kW generator. Other than the standard building loads and the calculated expansion loads, the design included future consideration of an additional 400kW generator, and replacement of the existing 300kW generator documented as part of a long term facility master plan. Switchgear arrangement, feeder sizes, and future raceways were included in the design to minimize downtime given the system modifications planned long term.

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