RAILWAY SIGNALING DESIGN

Bison Rail Systems assisted in the development of the Systems Integration Plan and System Safety Plans for all rail systems work.

Analyzed traction return compatibility with 60 Hz, power frequency track circuits in a third rail environment with non-bridgeable gap third rail design in new interlocking construction.

Designed negative return bonding design for 72nd Street and 96th Street Interlockings.

Provided layout design of wayside track case and Central Instrument Houses on structural tunnel drawings.

Specified dimensions of niche for placement of track cases in new tunnel, including workspace and lighting for signalman.

Relay room rack layouts, including rack spacing, power calculations, heat load calculations, lighting levels, back up battery sizing, fire suppression interfaces.

Conduit fill calculations, duct bank design, and cable routing.