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Kansas City Southern de Mexico Sanchez Yard
Project Summary
Hanson provided railway, electrical and mechanical engineering services for the expansion and upgrade of Kansas City de Mexico’s Sanchez Yard near Nuevo Laredo, Tamaulipas, Mexico. The project expands the railyard’s size to approximately 550 acres, an increase of 500%.
The design includes a new, 30-track flat classification yard, designed for future conversion to a hump yard with capacity for 70 bowl tracks. Hanson also designed smaller yards and tracks for railcar mechanical facilities, customs inspection, locomotive servicing and shifted-load handling, as well as new lead tracks north and south of the facility to allow simultaneous movements into and out of the facility and between sub-yards.
Hanson’s electrical engineering services included revising and expanding power service to and distribution for the facility. This service will accommodate the new buildings and expansion of high-mast lighting.
Hanson’s site civil engineering team developed water and wastewater infrastructure across the entire 550-acre site to provide service for the new buildings and yard air for the new railway yards. The water mains from Nuevo Laredo were installed at the site entrance under a separate contract. The site water system consists of parallel mains with separate potable water and fire water lines to the site. Water from Nuevo Laredo is used to keep a fire protection tank full at the site. A diesel-powered fire pump with electric jockey pump provides fire protection to the site. A separate 12,000-gallon hydropneumatic tank and duplex pump station maintain pressure for the site's potable water needs. Decentralized wastewater treatment systems with subsurface irrigation coupled with holding tanks service the site's wastewater needs. At each end of the yard, containerized compressor packages with air dryers and separate air receivers provide trains with air at the clear points in the tracks.