Title: 3.6.5 CETP Instructor PowerPoint Template
1- Unloading propane railcars requires well-trained
and qualified persons. They must be
knowledgeable in handling hazardous materials and
understand the bulk plant and its procedures. - In this module you will learn to identify
- Regulatory requirements relating to railcar
unloading - Safety precautions related to the transfer of
propane from railcars - Positioning the railcar/spotting procedures
- and check the valves and fittings used in
unloading the railcar - Procedures for unloading the railcar
- Unloading and releasing procedures
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2Identify regulatory requirements relating to
railcar unloading
DOT regulations require employers to train and
test every employee directly involved in the
transportation of hazardous materials. This
requirement also includes personnel who inspect,
load or unload pressurized railcars used in
LP-gas transportation.
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3Identify regulatory requirements relating to
railcar unloading
- Some specific regulations that are pertinent
include - 49 CFR 173.31, Qualifications, Maintenance, and
Use of Railcars - 49 CFR, Part 172, Subparts H Training, and I
Security Plans - 49 CFR, Part 174, Carriage By Rail, Subparts A, B
and C - 49 CFR Part 179, Specifications for Railcars and
179.7 Quality Assurance Program - 49 CFR 180.509, Requirements for Inspection and
Test of Specification Railcars
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4Identify regulatory requirements relating to
railcar unloading
- Other regulations or standards adopted by
reference that may apply - Include
- AAR, Manual of Standards and Recommended
Practices, M-1002, Appendix C, Railcar Marking
Requirements - AAR, Field Manual Rules, 70, 88, 89, and 90
- CGSB 43.147-97
- Abbreviations
- AAR Association of American Railroads
- CGSB Canadian General Standards Board
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5Identifying Safety Precautions Related to the
Transfer of Propane From Railcars
- The following are precautions that apply
- Remove all sources of ignition from the transfer
area before beginning the railcar unloading
operation. - A minimum 18 pound BC fire extinguisher must be
accessible to and within the work area of the
unloading operator. NFPA 10 states an
extinguisher must be conspicuously located where
they will be readily accessible and immediately
available, preferably along normal paths of
travel including exits from areas. - Wear heavy vinyl gloves, eye protection, and
other appropriate personal protective equipment
(PPE) during the entire unloading operation. - Never drag a hose connector or hose-end valve
across the ground, railcar walkway or riser
platform.
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6Identifying Safety Precautions Related to the
Transfer of Propane From Railcars
- The following are precautions that apply
- Never carry a valve by the handwheel or operating
lever. Always carry it by the valve body with
the outlet pointed away from the body. - Never leave the transfer operation unattended.
If you must leave the area for any reason except
an emergency, always stop the compressor, close
all valves, and disconnect and stow all transfer
hoses. - Be sure of the following conditions
- railcar wheels are chocked
- railcar brakes are set
- derail is set to the derailing position
- railcar and spur entrance(s) are flagged
- rail car is inspected
- product identity and quality is verified before
making hose connections
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7Identifying Safety Precautions Related to the
Transfer of Propane From Railcars
- The following are precautions that apply
- If a leak or fire occurs during the transfer
operation, close the plant emergency shutoff
valves (ESVs) from a remote emergency shutdown
station, and shut down the compressor
immediately. - Do not unload a railcar with obvious mechanical
defects or damage. - Do not stand or place any body part directly
above the slip tube (gauge rod) when using
itinternal pressure may force the rod upward
with considerable force and cause severe injury.
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8Identifying Safety Precautions Related to the
Transfer of Propane From Railcars
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9Identifying Positioning the Railcar and Spotting
Procedures
- Inspect the Tank Car
- Attach the bill of lading to the clipboard and
walk completely around the tank car. Check the
tank and head shields for fresh dents or gouges,
and structural damage. If significant damage is
found or leaks of any kind, notify the supervisor
at once. - Check the tank to be sure it is marked PROPANE or
LIQUEFIED PETROLEUM GAS. 3.6.5.7 And carries
FLAMMABLE GAS placards in holders on each side
and at each end. - Check the tank car identification of serial
number to make sure it matches the number shown
on the bill of lading.
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10Identifying Positioning the Railcar and Spotting
Procedures
- Inspect the Tank Car
- Check the deign information on the tank to be
sure it shows one of the approved DOT design
codes for tank cars. The markings are usually
stenciled onto the tank immediately beneath the
identification number, but occasionally they may
be found stamped into the metal at the centers of
the tank heads. In either case, they should
specify one of the following DOT design codes
105A-, 112A-, 112J-, 112T-, or 114A-. If the
tank car is improperly marked or the tank
identification number does not match the one
shown on the bill of lading, notify the
supervisor at once. - Climb the unloading riser and lower the platform
to gain access to the dome and tank car openings.
Caution Be sure the platform is properly seated
and secured before crossing over to the tank car.
Exercise caution when climbing or working on the
riser, especially in wet or icy weather.
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11Identifying Positioning the Railcar and Spotting
Procedures
- Inspect the Tank Car
- Examine the seal on the dome lid carefully for
evidence of tampering. If the seal has been
broken or tampered with in any way, notify the
supervisor. Otherwise, clip the seal, attach it
to the clipboard along with the bill of lading,
and open the dome.
Caution Before opening dome, be sure that all
sources of ignition have been removed from the
area. Also, avoid creating sparks when opening
or working in the dome. If one of the fittings
is leaking, the dome may be filled with propane
vapor.
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12Identifying Positioning the Railcar and Spotting
Procedures
- Inspect the Tank Car
- Inspect the valving inside the dome carefully for
leaks, damage, and missing parts. Be sure all
fittings are tightly plugged and that valves,
operators, and gauges are free from damage that
would create a hazard during unloading.
NOTE If there is evidence of a leak inside
the dome, locate the source and correct if
possible. Generally, leaks from valve openings
can be stopped by fully closing the valve. Leaks
from the packing on the slip tube gauge or on
valve operators can be corrected by tightening
the packing nut with an adjustable wrench. All
other leaks-from the relief valve, the flanges of
liquid or vapor valves, or any other source that
communicates directly with the inside of the
tank- should be reported the supervisor
immediately and noted on the bad order tag
enclosed in the dome. Never attempt to unload a
tank car if it has a leak that cannot be
corrected.
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13Identifying Positioning the Railcar and Spotting
Procedures
- Inspect the Tank Car
- Inspect the safety appliances such as hand
brakes, running boards, and handrails
Caution Keep eyes, face and other parts of the
body away from the relief valve opening when
working in the dome.
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14Identifying Positioning the Railcar and Spotting
Procedures
- Gauge and Test the Contents of the Tank Car
- In order to sniff test and gauge the contents
of the tank car - Conduct a sniff test on the propane by quickly
opening and closing the sampling valve to vent a
small amount of liquid to the atmosphere. If the
presence of odorant cannot be detected or if
large amounts of water appear at the valve
opening during the sniff test, notify the
supervisor before continuing the operation. - Check for leaks around the plug on the
thermometer well, then remove the plug with a
wrench. -
Caution If propane begins to escape around the
plug threads, retighten the plug and fill out a
bad order tag. DO NOT REMOVE THE PLUG.
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15Identifying Positioning the Railcar and Spotting
Procedures
- Gauge and Test the Contents of the Tank Car
- In order to sniff test and gauge the contents
of the tank car - Check the fluid level in the thermometer well.
If necessary, top up the well with antifreeze
or light oil (Do not use water). Then carefully
lower a glass-tube thermometer in the well for at
least ten minutes, then withdraw it just far
enough to read the scale. - Record the reading and repeat the process to
check the accuracy of the first reading. Record
the final result on the bill of lading or the
company unloading form. - Replace and retighten the thermometer well plug.
-
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16Identifying Positioning the Railcar and Spotting
Procedures
- Gauge and Test the Contents of the Tank Car
- In order to sniff test and gauge the contents
of the tank car -
- Carefully remove the threaded cover from the slip
gauge assembly - If possible, correct leaks by fully closing the
bleeder valve on the gauge and/or tightening the
packing nut at the bottom of the slip tube with a
wrench. If the leak continues, notify the
supervisor
CautionIf propane begins to escape around the
threads or the cover binds as it is unscrewed, do
not remove it the rest of the way unless the leak
can be controlled for sure when the cover is
fully removed.
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17Identifying Positioning the Railcar and Spotting
Procedures
- Gauge and Test the Contents of the Tank Car
- In order to sniff test and gauge the contents
of the tank car - Push down firmly on the slip tube and release the
locking bar. Then, slowly release the brake and
allow the slip tube to rise two to three feet.
Re-engage the brake. Never use any tools to pry
or pull up the slip tube. If the slip tube is
difficult to release, apply a small amount of
light oil to the tube and twist the tube from
side to side as it is raised. If it continues to
stick, loosen the packing nut until the slip tube
moves freely. -
Caution All slip tubes are under high pressure
and can cause serious injuries if allowed to
shoot out suddenly or unexpectedly. Keep a firm
grip on the gauge at all times and assume a
position so that head and body are well away from
the gauge.
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18Identifying Positioning the Railcar and Spotting
Procedures
- Gauge and Test the Contents of the Tank Car
- In order to sniff test and gauge the contents
of the tank car - Open the bleeder valve slowly until a mist of
propane liquid (i.e., white mist) vents from the
valve. Continue raising the slip tube until the
vapor vents from the bleeder valve. Then slowly
lower the tube again until liquid just begins to
vent from the bleeder valve. At this point, the
bottom of the slip tube is in contact with the
surface of the liquid in the tank car. Apply the
slip tube brake and read the outage on the slip
tube directly opposite the pointer. Repeat the
measurement at least twice to be sure it is
correct. Record the final reading on the bill of
lading or the company unloading form. - Convert the slip tube reading to gallons, using
the strapping table for the tank car. Subtract
the outage in gallons from the water capacity of
the tank car and record the result on the company
unloading form.
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19Identifying Positioning the Railcar and Spotting
Procedures
- Gauge and Test the Contents of the Tank Car
- In order to sniff test and gauge the contents
of the tank car - Correct the tank car gallonage for temperature
and specific gravity by multiplying it by the
appropriate volume correction factor. The
correction factor can be obtained from the
company unloading forms or a chart attached to
the strapping table. - Compare the result to the gallonage recorded on
the bill of lading. Follow company procedures
for reporting discrepancies. - Close the bleeder valve on the slip tube tightly,
lower the gauge, and lock it into place. Replace
the gauge assembly cover. - Once these tests and inspections are complete and
you are assured there are no leaks or tank car
damage that would cause the car to be rejected,
the preparation to unload can continue.
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20Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
Figure 1. The Manway Cover
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21Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
Figure 2. Alternate Railcar Valves and Fittings
Arrangement
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22Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
Courtesy union railcar and BP
Figure 3. Side View and Top View of Valves and
Fittings
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23Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
The railcar fittings in Figures 2 and 3 are
further explained in the cut-away view to the
right (Figure 4.). This illustration shows how
the various valves and fittings interact with the
interior of the cargo tank.
Figure 4. Cut-Away View of ManwayAnd Tank
Interior
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24Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- Liquid and Vapor Connections
- The outlets of the two liquid valves face the
ends of the railcar - Thermometer Well
- Sampling Valve
- The sampling valve is a small manual shutoff
valve attached to a long open tube that leads to
the bottom of the railcar. It is used to test
the contents of the railcar for odorization, the
presence of water or other impurities, and, in
rare cases, to measure the specific gravity of
the propane. It can also be used during the
unloading operation to determine whether any
propane liquid remains in the bottom of the tank
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25Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- Slip Tube Gauge
- Most railcars are equipped with a slip tube gauge
(Figure 5), which is used to measure the contents
of the railcar. The slip tube gauge is similar
to a fixed maximum liquid level gauge. However,
the dip tube is not fixed, but can be moved up
and down in the gauge housing to
Figure 5. Slip Tube Gauge
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26Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- Pressure Relief Valves
- Never tamper with it and never work directly over
it - Unloading Risers
- To gain access to the top openings in railcars,
most plants use an unloading riser (also known as
a tower).
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27Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- Identifying Procedures for Unloading the Railcar
- Gauge Contents of Railcar
- A series of graduated markings on the slip tube
indicates the distance in inches and feet from
the top of the tank to the surface of the liquid.
This is commonly referred to as the "outage" of
the railcar.
Figure 6. Portion of a Railcar Outage Table
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28Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- Determine the Maximum Amount of Propane That can
be - Transferred to the Plant Bulk Storage Tanks
- To determine the amount of propane each plant
tank will hold safely - Gauge the contents of the plant storage tank with
the rotary or float gauge installed in the tank
head. Record the reading on the company form or
on a worksheet. - Using the temperature and specific gravity of the
propane in the railcar, determine the maximum
permitted filling level for the plant tank(s).
Record the result on the worksheet. - Subtract the gauge reading from the maximum
permitted filling level.
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29Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- Determine the Maximum Amount of Propane That can
be - Transferred to the Plant Bulk Storage Tanks
- To determine the amount of propane each plant
tank will hold safely - Calculate the maximum amount of propane that can
be added to the storage tank by multiplying the
difference between the two numbers by the water
capacity of the tank in gallons. If, for
example, the gauge on a 30,000 gallon storage
tank shows that it is 40 full and its maximum
permitted filling density at the present
temperature is 85, 45 X 30,000 or 13,500
gallons can safely be added to the tank. - If there is more propane in the railcar than the
plant tank(s) will hold safely, notify your
supervisor.
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30Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- Connect Liquid and Vapor Hoses Between the
Railcar and the - Unloading Riser
- To gain access to the top openings in railcars,
most plants use an unloading riser, also known as
a tower. (Figure 7)
Figure 7. Railcar Riser with Emergency Shutoff
Valves
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31Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- Connect Liquid and Vapor Hoses Between the
Railcar and the - Unloading Riser
- During unloading operations, a railcar unloading
nipple (also known as a stub)essentially a
straight section of schedule 80 threaded
pipingis inserted through the holes in the side
of the dome and screwed into the valve outlets
after the valve shipping plugs are removed.
(Figure 8.)
Figure 8a. Stub Connected toVapor Valve
Figure 8b. Connecting Hose toStub in Liquid
Valve
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32Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- Connect Liquid and Vapor Hoses Between the
Railcar and the - Unloading Riser
- In order to complete this step
- Check the manual shutoff valves on the railcar
liquid and vapor connections to make sure they
are fully closed. Then carefully remove the
plugs - Install unloading stubs or ESVs in the liquid
and vapor valves. Thread the stubs or ESVs into
the valve opening until they are handtight. Then
tighten them with the appropriate wrench until
they are securely seated. Once installed, open
the ESVs in accordance with company procedures. -
Caution Propane may vent around the plug threads
for a short time. Wear heavy vinyl safety gloves
throughout the operation and keep face and other
parts of the body away from the valve opening.
If propane continues to vent around the plug
threads, the manual shutoff valve may be faulty.
Retighten the plug and notify the supervisor. If
the chains on the plugs are broken or missing,
store the plugs in a safe place.
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33Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- Connect Liquid and Vapor Hoses Between the
Railcar and the - Unloading Riser
- In order to complete this step
- Remove the dust caps from the connectors on the
riser hoses. Check the connectors to be sure
they are clean. Check the O-rings on the ESV or
unloading stub to be sure they are in good
condition. If necessary, clean the connectors
with a rag and replace worn, flattened, or
damaged O-rings. - Connect the hoses to the railcar stubs or ESVs by
spinning on the ACME connectors until they are
handtight. As the connectors are tightened, move
the hose or hose-end valve up and down slightly
to prevent the thread from seizing. When each
connection is handtight, tighten it an additional
1/8 turn with a hook spanner. NEVER POUND ON THE
CONNECTOR WITH A WRENCH OR OTHER DEVICE.
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34Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- Connect Liquid and Vapor Hoses Between the
Railcar and the - Unloading Riser
- In order to complete this step
- Check the ESVs at the riser by opening and
closing them according to plant test procedures.
Be sure the remote operators are working properly
and that all fusible links are intact. If the
ESVs will not operate properly, do not continue
the transfer operation. If possible, correct the
problem. Otherwise, notify your supervisor. - Check each connection for leaks by opening and
closing the manual shutoff valve at the railcar
to charge the connection with propane.
Note If using ESV's instead of unloading
stubs, open the ESV to charge and test the hose
connection. If there are any connection leaks,
close all valves and retighten the connection.
If the leak continues, notify your supervisor.
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35Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- Unload the Railcar
- A qualified person must be present during the
entire transfer operation to handle emergencies
and monitor the condition of the transfer system.
If leaving the area, find someone as a
replacement who has a working knowledge of the
transfer equipment and plant emergency
procedures. Otherwise, shut down the operation
until returning. - If a leak or fire develops at any time during the
operation, close all ESV's immediately and stop
the compressor. Then follow company procedures
to handle the problem. Be alert throughout the
operation for signs of erratic compressor
operation. If a problem develops, shut down the
operation and correct it before continuing.
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36Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- Unload the Railcar
- An excess-flow valve in an eduction valve or the
plant tank may stick or freeze shut. As a
result, it will not reopen when the pressure is
equalized across the valve. If this happens
during unloading operations, reopen the valve by
applying compressor discharge pressure to the
stuck excess-flow valve. - If the excess-flow valve is in a vapor
connection, it is reopened simply by reversing
the four-way valve and restarting the compressor
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37Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- To unload the railcar
- Open the vapor valves at the riser. Then, open
all valves in the liquid line, starting at the
manual shutoff valves on the railcar and working
toward the plant storage tank(s). Allow as much
liquid as possible to drift between the two
tanks, then open the remaining valves in the
vapor line. - Check to be sure the four-way valve and the plant
valves have been set so the compressor will
remove vapor from the plant storage tank and
discharge it into the railcar. Figures 10 and 11
illustrate the compressor 4-way valve and piping
positions for unloading in a typical bulk plant.
Your plant piping may be different. Be sure you
verify the proper valve positions and operating
procedures for your plant.
Note Open valves slowly to prevent excess-flow
valves from slugging
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38Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
Figure 10. 4-Way Valve Positions
Figure 9. Compressor and Bulk Plant Connections
and Valves
Figure 11. Operation of Valves for Cargo tank
Unloading
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39Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- To unload the railcar
- Start the compressor and check the pressure
gauges for excessively high exhaust or
excessively low intake pressure. If either
occurs, stop the compressor and correct the
problem before continuing. Check the sight glass
or flow indicator to make sure liquid is flowing
through the system. - When the plant storage tank reaches its maximum
permitted filling level or the railcar is empty,
close all valves in the liquid line and stop the
compressor.
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40Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- To unload the railcar
- Reverse the four-way valve and adjust the plant
piping manifold so the compressor will withdraw
vapor from the railcar and force it through the
liquid space of the plant storage tank. (Figures
12b and 12c.) Restart the compressor and check
the pressure gauges for excessively high
discharge or excessively low intake pressure. If
either occurs, shut down the compressor and
correct the problem before continuing. - At the end of the vapor recovery operation, close
all valves in the vapor line and shut down the
compressor. Some plants shut down the compressor
when the discharge pressure rises to four times
the intake pressure. Others stop vapor recovery
operations when the intake pressure drops to 50
psi in the summer or 30 psi in the winter. Under
some conditions plants will also shut down their
compressors, if the intake pressure drops less
than 10 psi during 15 minutes of operations.
Check with your supervisor for the proper
guidelines to follow
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41Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
Figure 12b. 4-Way Valve Positions
Figure 12a. Compressor and Bulk Plant
Connections and Valves
Figure 12c. Operation of Valves for Cargo Tank
Vapor Recovery
Note Monitor the liquid gauges on the plant
storage tank(s) carefully to prevent overfilling
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42Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
To finish the operation and prepare the railcar
for return
- Open the sample valve. If vapor is released, the
railcar is totally unloaded. If liquid escapes,
it may not be fully unloaded. Resume unloading
operations until the railcar is totally
un-loaded. - Close all railcar discharge valves, ESVs and
transfer hose-end valves. - Vent the propane trapped between valves, stubs
and hose couplings. When the connections are
fully de-pressurized, disconnect the transfer
hoses. - Remove the railcar unloading nipples, or stubs,
that are screwed into the railcar valve outlets
Figure 13. Checking the Sample Valve
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43Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
To finish the operation and prepare the railcar
for return
- Replace all railcar valves openings and tighten
as appropriate. (Figures 14 and 15)
Figure 14a. Preparing Plug Threads
Figure 14b. Installing Plug in Slip Tube Gauge
Figure 15. Tightening Plug in Discharge Valve
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44Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
To finish the operation and prepare the railcar
for return
- Replace and secure all covers over fittings.
(Figure 16) - Check to be sure there is no liquid left in the
railcar by partially opening the sampling valve - Bleed down and disconnect the hoses at the riser.
Replace all dust caps and store the hoses - Remove the unloading stubs or ESVs from the
railcar, and replace the plugs in the liquid and
vapor valve openings
Figure 16. Replacing Fitting Cover
Caution Never disconnect any hose until the
propane trapped in the connection has been safely
bled off.
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45Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
Identifying Unloading and Releasing Procedures
- If any railcar defects were found during the
unloading operation, complete the Bad Order Tag
(Figure 17) and attach it to one of the liquid
education valves. - Lower the dome cover and secure it appropriately.
- Stow all transfer hoses and fittings and raise
the unloading riser platform to its stored
position
NOTE The same defect(s) must be reported in the
Railcar Return Form.
Figure 17. Bad Order Tag
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46Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- Identifying Unloading and Releasing Procedures
- Remove and store the warning signs, chock blocks
and reset the derail (when used) from the
derailing position. (Figure 18)
Figure 18a. Removing Chocks
Figure 18b. Stowing Warning Sign and Resetting
Derail
NOTE DO NOT release the hand brake on the
railcar. This will be done by railroad personnel
when the railcar is picked up.
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47Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
Identifying Unloading and Releasing Procedures
- Verify that all placards are in good shape and in
place. (Figure 19) - Take an extra look around the railcar and
unloading site to make sure everything is safe
and secure. - Complete the Railcar Return Instructions Form and
deliver the form to the rail carrier
representative.
Figure 19. Replacing Damaged Placard
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48Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- The Railcar Return Instruction
- Form must be prepared, signed
- and presented to the rail carrier
- representative for their signature
- before the railcar is released.
Figure 20. Sample Railcar Return Instructions
Form
3.6.5 Student Book ? 2004 Propane Education Research Council Page 22
49Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- While completing the Railcar Return Instructions
Form, the propane - marketers representative should
- Verify the date entry when the company was
notified of the railcars arrival, when it was
received on the siding, and when unloading was
completed. - On the Company Copy of the railcar return form,
enter the date when the car was removed from the
siding. Retain it in company records. - List in the remarks section any defect(s) that
were present when the car was received - Determine if any defect(s) occurred or was
discovered during the time the railcar was on the
siding and being unloaded. If so, describe it in
the remarks section and attach a copy to the Bad
Order Tag.
3.6.5 Student Book ? 2004 Propane Education Research Council Page 22 23
50Identifying and Checking the Valves and Fittings
Used in Unloading the Railcar
- While completing the Railcar Return Instructions
Form, the propane - marketers representative should
- Verify other information preprinted on the form,
sign and date it. - Deliver the Railcar Return Instructions Form
personally, or by electronic means to the
railroad agent, for their signature and date.
3.6.5.31 Sometimes a bulk plant employee will
notify the railroad company representative by
telephone or fax, and hold the form for signature
until the rail car is picked up. - From the time the railcar return form is used to
notify the railroad company agent that the car is
ready to be picked up, until the time it is
actually removed from the siding, the propane
marketer must provide a safe and secure
environment for the railcar.
3.6.5 Student Book ? 2004 Propane Education Research Council Page 22 23
51 Time to See If You Got the Key Points of This
Module
- Complete the Review on page 24 - 27.
- See if you are ready for the Certification Exam
by checking off the performance criteria on page
28 - 30.
3.6.5 Student Book ? 2004 Propane Education Research Council Pages 24 - 30