School Bus Specifications - Texas Department of Public Safety

OPTIONNO.CHASSIS OPTIONSDESCRIPTION1. Alternative fuel engines, O E M SuppliedThe power units (engines) furnished for the respective size and style busshall be operable on alternative fuels, as determined by the TexasCommission on Environmental Quality (TCEQ). The power unit shall be thechassis manufacturer's standard or optional engine for the vehicle type,which meets or exceeds the power requirements specified herein, at theengine manufacturer's rated operating speed. The engine may be of astandard production design or retrofitted for alternative fuels only by theengine Original Equipment Manufacturer (OEM) or any duly certified and/orapproved manufacturer designated by the OEM, and certified/ licensed bythe Texas Railroad Commission (RRC), as applicable. The engine shall be ofsuch design and construction that it will give an even flow of power at allengine speeds without undue vibration, strain, or overheating of enginecomponents. The fuel system shall meet all applicable FMVSS and TheRailroad Commission of Texas certification and/or licensing requirements.These vehicles shall be fully operational at delivery to the district withoutany additional modification or adjustments. Alternatively fueled enginesshall be OEM warranted for a period of not less than five (5) years/fiftythousand (50,000) miles, and shall include all engine and emission partsand fuel system components. The engine manufacturer or approveddesignate, may upgrade engines in the field to improve durability, reliability,or emissions with the approval of the ordering agency.Compressed Natural Gas (CNG): The engine shall be capable of operatingon compressed natural gas, as defined herein, in a mono- or bi-fuel mode,as specified in the Invitation for Bid. The engine, fuel system, and allcomponents shall meet all applicable FMVSS requirements. The fuel tank(s)shall be constructed of appropriate material for a fuel storage system forcompressed natural gas and be enclosed in a cage meeting the samerequirements as required for traditional fuels. (Internal check valves maybe furnished in lieu of cages.) Minimum mileage range shall be seventy five(75) miles or as specified in the Invitation for bid.Liquefied Petroleum Gas (LPG): The engine shall be capable of operatingon liquefied petroleum gas, as defined herein. The engine, fuel system, andall components shall meet all applicable FMVSS requirements. The fueltank(s) shall be constructed of appropriate material for a fuel storagesystem for liquefied petroleum gas. Minimum mileage range shall beseventy five (75) miles or as specified in the Invitation for bid.(Select From Types below)_____Compressed Natural Gas (CNG) ____mono ____Bi fuel_____Liquefied Petroleum Gas (LPG) ____mono ____Bi fuelSection F-2