Assessing and Mitigating Electrical Fires on Transit Vehicles (2021)

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46 Vehicle Manufacturer Questionnaire A P P E N D I X B Vehicle Manufacturer Questionnaire TCRP Project C-23 Assessing and Mitigating Electrical Fires on Transit Vehicles Name & Title:_________________________________ Manufacturer Name:___________________________ Contact email:_________________________________ Diesel/CNG/hybrid EV/Battery What portion of new buses are ordered with fire suppression system installed? _______% _______% Over the last three (3) years, how many buses/vehicles have you delivered with fire suppression systems installed? ________ ________ What is the primary reason for fire suppression installation? (select only one) Customer request Regulatory requirement Bus manufacturer recommendation/requirement Other Customer request Regulatory requirement Bus manufacturer recommendation/requirement Other Please list the name of the fire suppression manufacturers you use. __________________ __________________ __________________ __________________ __________________ ______________________ ______________________ ______________________ ______________________ ______________________ Do you recommend a specific fire suppression system manufacturer? Yes _______________ No Yes _______________ No Have you tested the fire suppression system you use? Yes No Don’t know We rely on testing by someone else Yes No Don’t know We rely on testing by someone else Do you know of any fires in a vehicle equipped with fire suppression system? Yes No Don’t know Yes No Don’t know What is the active agent used in your system? (select all that apply) Water Dry chemical Vapor Foam Don’t know Water Dry chemical Vapor Foam Don’t know

Vehicle Manufacturer Questionnaire 47   What fire Sensor Types used? (select all that apply) Optical Linear Other _____ Optical Linear Other _____ Where are the fire sensor(s) located? (select all that apply) Engine Compartment Wheel Well Exhaust area Fuel Tank Area Other_______ “Engine” compartment Wheel Well Battery Compartment(s) Motor Motor Controller (if separate) Other _____ Where are the nozzles located? (select all that apply) Engine Compartment Wheel Well Exhaust area Fuel Tank Area Other_______ “Engine” compartment Wheel Well Battery Compartment(s) Motor Motor Controller (if separate) Other _____ Does the fire suppression system disconnect the battery/power source? Yes (24V system) No Don’t know Yes (24V system) Yes (HV system) No Don’t know What is the approximate upfront cost and annual maintenance cost per vehicle? Purchase cost $________/ Maintenance cost $_______/yr Don’t know Purchase cost $________/ Maintenance cost $_______/yr Don’t know