National RAILROAD COG Manual Flashcards
(126 cards)
Updates will be made to the MWCOG Railroad Emergency Response Manual every ___ years. Any suggestions for updates or corrections should be submitted to the COG Passenger Rail Safety Subcommittee.
three years
There are three major CSX rail lines in Maryland that span the National Capital Region:
1- “Metropolitan Subdivision” Or “Brunswick Line”
Montgomery- silver spring -dc
2- “Capital Subdivision” or “Camden Line”
Bmore- pg -dc
3- “Old Main Line.”
Frederick county
The term ______ is defined as the section of property between tunnel walls, fence lines and bridges in which the railroad utilizes for the movement of commerce and people which generally consist of approximately 50 feet outward measured from the center of the outward most tracks. This term is used frequently in the railroad industry.
“roadway”
It should always be remembered that trains can operate on any_____.
any track, in any direction, at any time.
All railroads have a method of determining a given location on a particular rail line. Markers, called_____ are spaced at one-mile intervals along the roadway and indicate the distance from a selected starting point.
“mileposts”
These markings are not official railroad measurements,
but they are____
close enough to be used in an emergency.
______ may be constructed with either a square or round metal sign attached to a pole or a concrete obelisk, shaped like a miniature Washington Monument.They are also are also stenciled on bridges and other railroad structures.
Mileposts
________provide a means to move a train from one track to another. And are located at various locations on the railroad.
Switches or crossovers
These remote switches operate either _____ by a distant command signal and hence, may open or close at any moment without warning
electrically or electro-pneumatically
Switches may also have heaters attached to them to maintain their operability in the freezing rain and snow conditions. Portable heaters are powered by ____.
kerosene.
Permanent heaters utilize electricity, natural gas or liquefied petroleum gas (LPG).
A____-gallon LPG tank supplies each LPG switch heater.
Some sections of track with many switches may have up to ______ LPG tanks.
1000-gallon
six 1000-gallon
Railroad electric signal wires extend under or above the ground and are energized up to _____ volts
6,900 volts
Another hazard associated with the railroad industry can be found in the method railroad employees signal trains to stop. Highway flares are called ______ in the railroad industry. They can be waved horizontally or laid by the tracks to signal trains.
“fusees”
Amtrak’s electrified territory utilizes overhead catenary lines that carry ____ volts of AC electrical power to propel trains.
12,000 volts
Amtrak’s electrified territory utilizes overhead catenary lines that carry 12,000 volts of AC electrical power to propel trains. THE CURRENT IN THESE LINES CAN ARC UP TO ____, WHICH WILL ELECTROCUTE ANYONE WITHIN THAT RANGE OF CATENARY LINES.
THREE FEET
At the top of the catenary system is a ground wire___line. The ground wire is not energized but there may be stray current running through this wire. The purpose of the ground wires is to simply protect electrical system components from lightning strikes.
Static line
______ lines below the ground wire.
transmission
transmission lines are energized at 138,000 volts and objects must not be allowed within ___ feet of these lines.
eight feet
Below transmission lines are_______.
the signal power lines
The signal power lines are energized at ____ volts and objects must not be allowed within ___ feet of these lines.
6,900 volts ; three feet
The lowest wires in the system are the _____wires.
catenary (trolley)
the catenary (trolley) wires. They are energized at 12,000 volts and objects must not be allowed within ___ feet of these lines
three feet
Power from the catenary wires is transmitted to
locomotives through ____ on the roof of locomotives.
pantographs
In an emergency, the catenary system must be shut down by Amtrak personnel in _____ and grounded by _____.
Philadelphia
an on-site Amtrak Class-A employee
(electrician or lineman)