Specifications

December 2013
REQUEST FOR PROPOSALS FOR
PURCHASE AND DELIVERY OF HEAVY-DUTY BUSES
RFP SRTA-2014-01
TECHNICAL SPECIFICATIONS
PAGE-72
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SRTA in an approved location.
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k. "Wheelchair Lift/Kneeling" decal, manufactured from 3M vinyl, or approved equal, shall
be furnished and installed by the Contractor at the warning light in an approved location.
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25. COMPRESSED NATURAL GAS (CNG)
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25.1 CNG Engine
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A. General Requirements:
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1. The engine and transmission shall be heavy duty and mounted at the rear of the bus in
order to allow maximum accessibility to all components.
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2. Engine must be CARB certified CNG engine at the time of delivery.
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3. The engine shall be OEM certified suitable for heavy heavy-duty urban transit bus
application. The engine/transmission combination shall require application testing and
approval from the respective engine and transmission manufacturer. Engine shall be
capable of diagnostics, archive of failure data, adaptive learning and programming via a
laptop PC in a “windows” environment. This capability shall extend to time stamping of
failure data, running in a real time mode for road testing and data storage.
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4. The operating range of the bus run in revenue service (Design Operating Profile) shall be
at least 400 miles when fully secured to 3,600 PSI (nominal) of natural gas during a
single fill-up.