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Pages 16-35

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From page 16...
... 16 This chapter features several examples of emergency response procedures used by various transit agencies. To convey the format and graphical content of the procedures, scanned images are used.
From page 17...
... 17 Emergency Phone Numbers Sunday 3:00 AM–11:30 PM Vehicle Dispatch East Vehicle Dispatch West Monday–Friday 24 Hours Saturday and Sunday 4:30 AM–1:00 AM Monday–Sunday 4:30 AM–1:00 AM Vehicle Maintenance East Vehicle Maintenance West Vehicle Manufacturers New Flyer Industries Orion Bus Industries Neoplan USA Corporation Hazard Assessment Introduction Transit vehicles that are powered by natural gas fuel are subject to hazards similar to all other types of transit vehicles. For instance, traffic collisions, system malfunctions, and other undesirable conditions are experienced by all transit vehicles including those powered by natural gas fuels.
From page 18...
... 1. Master Rotary Control Switch Effect: Stops engine Rotate the switch counterclockwise to off position.
From page 19...
... 5. Pressure Relief Device Vent Outlets and Effect: Allows "normal" depressurization Pressure Relief Devices of fuel storage cylinders The pressure relief devices (PRD)
From page 20...
... 20 1996 Orion Bus Industries Specifications Battery Disconnect Switch Left Side Of Bus
From page 21...
... 21 Left and Right Sides Of Bus PRD Vent Outlets Fire Suppression Manual Actuator PRD Vent Outlets
From page 27...
... 27 TRANSIT AGENCY 3 -- PROCEDURES AND INSPECTION MANUAL FOR COMPRESSED NATURAL GAS PROGRAM AND FACILITY CNG FUEL LEAK PROCEDURE FOR BUS OPERATORS In the event of a CNG fuel leak while you are driving the bus you should follow these procedures: • Pull the bus over as soon as possible in a safe and open location. • Secure the vehicle by putting the bus in neutral, setting the parking brake, and shutting the engine off.
From page 28...
... 28 PROCEDURES FOR RESPONSE TO FIRE ALARM ACTIVATION FOR OPERATIONS, MAINTENANCE AND SECURITY PERSONNEL I Description of Alarm System A
From page 29...
... 29 D Report findings of inspection to dispatcher: 1.
From page 30...
... 30 designed to rapidly reduce the concentration of gas in each zone in the building. Operation of the fans is indicated by a yellow status light on the main panel in the Maintenance Office and by a similar status light on the dispatcher's panel.
From page 31...
... 31 • 20% LEL Detection In addition to the above, the following responses occur automatically: ✓ Startup of exhaust fans 11–14 (large displacement fans)
From page 32...
... 32 DESCRIPTION OF SAFETY INSPECTIONS FOR RTA FACILITY COMBUSTIBLE GAS DETECTION AND EXHAUSTING EQUIPMENT • The Facilities Maintenance Superintendent will perform the following tasks daily: ✓ Review Siemens System 24-hour history report which prints automatically each morning at 5:00 AM. This report shows activity of air handlers, exhaust fans, and alarms.
From page 33...
... 33 NOTE: Though CNG is considered to be nontoxic, large volumes of the gas in a confined space can displace oxygen and cause asphyxiation. Unscheduled Release of Gas (Gas Leak)
From page 35...
... 1. Engine Compartment Switch Box Action: Stops engine Position the "Rear Engine Run" toggle switch to the center or "OFF" position to shut down the engine.

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