BART - Colma Extension - Colma, CA

Our firm provided an under-car fire protection deluge system including valving in tunnel wall niches.  We designed and provided tunnel lighting design and walkway lighting for train operators.  NBA provided traction power and communications/signaling raceways from the new substation to all contact rail connection points between the Colma station and the end of the tunnel.

Phone (415) 202-9840

Fax (415) 202-9838

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