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OCR for page 239
APPENDIX F
LOADING OPERATION OF STRAIGHT CARGO GASOLINE
INTO BARGES WITH DEEPWELL PUMPS
Steps
Key Points
Preliminary
1. Inspect and read loading orders
and sign Declaration of
Inspection. Be sure tankerman
license is current and covers
grade of product to be loaded.
Coast Guard (USCG) requires a
valid tankerman's license
covering grade B and lower to
transfer gasoline.
2. Put on life jacket before going
on barge.
3. Inspect barge.
signs are in place, cargo
Insure warning
transfer manual, valid USCG
Certificate of Inspection,
Certificate of Financial
Responsibility, and current
cargo header test papers are
aboard. Confirm that cargo
transfer hoses are in date and
properly marked.
Make sure dock bonding switch
(ground) is open.
Attach bonding cable or check A.
connection if dock has it
attached.
6. Check with dock to be sure
switch is closed.
5.
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A. Amount of draft.
B. Type of cargo.
C. Make sure tankerman orders
are the same as dock.
D. Tankerman certified to
transfer cargo to be loaded.
A. Personal vessel safety
.
A. Confirm vessel is certified
to carry cargo to be loaded.
B. Compliance with applicable
laws.
To prevent static electricity
by grounding the barge.
B. Attach to loading header.
A. This assures the ground and
keeps sparking off the
vessel.
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240
Steps
7. Check the barge.
8. Close main hatches. A.
9. Inspect fire screen. A.
10. Place drip pans under loading A.
header.
Startup
1. Hook hose to loading header. A. Ensure good gaskets.
B. Use at least six good nuts
and bolts.
C. Use spark proof wrench.
D. Use stagger method to tighten
the bolts on the flange to
ensure even tension on all
parts of the flange--top to
bottom, side to side; go back
over two or three times
before tightening completely
A. Tighten clockwise--hand
tight.
B. Install blind on end with
good gasket and six bolts.
C. No pollution.
A. Discharge valve from pump.
Clockwise.
A. Located under main load line.
A. Located on top of dome on
each compartment.
2. Close valve on opposite end of
header and position drip pan
correctly.
3. Close pump valve.
4. Open loading valve.
5. Open all compartment valves
that will be loaded.
Key Points
A. Have good bow, stern, and
midship lines.
B. Visually walk barge checking
for holes or cracks. Inspect
each compartment by opening
main hatch. Check cargo
bottom--confirm previous
cargo bottoms if available.
Close and dog them down.
Open and inspect fire screen
in the small ullage opening
of the cover.
B. Leave open to vent barge.
C. Ensure a good screen or
replace if defective.
D. Never load overhead through
this opening.
No pollution.
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241
steps
6. Open header valve where hose is
connected.
7. Give dock man the OK to start
loading.
Intermediate
1. Check each compartment to see
if product is loading.
2. Insure the barge is loading
level (side to side).
Make continual visual inspec-
tion for oil slick--to prevent
oil pollution. If slick
appears, shut dock down and
notify USGC.
4. Make continual visual check of
each compartment during entire
loading operation.
5. Continual check on mooring
lines.
Key Points
A. Watch for leaks at header.
B. If no leaks, continue.
C. If leak develops:
1. Minor leak--i.e., small
drips--attempt to tighten
bolts again with pumps
running.
2. Major leak--notify dock to
STOP their pumps. NOTE!!
DO NOT attempt to close
valve against the pump at
any time. In case of
major leak, tighten bolts;
if this doesn't stop leak,
put in new gasket and
start over.
3. If spill, notify USCG and
dock.
A. Life screen--look in
compartment.
A. End to end unevenness is
acceptable. This assists in
topping off or trim
operation.
B. Check draft marks on each
side of the stern.
A. These indicate oil leaks from
small fractures or holes.
A. Make sure one compartment
isn't loading faster or
slower than another.
B. Make whatever adjustments are
necessary.
C. Prevent spill out of dome.
A. So barge does not hang up and
either break lines or cause
unequal draft.
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242
Steps
Key Points
6. When barge is nearing
completion (20 to 25 minutes)
notify the dock to stand by to
shut down.
Shutdown
1. When loaded to draft, start
shutting off valves on each
compartment from the heavy end
forward.
2. Notify dock man to shut off A.
pump and close dock valve.
Leave header valve open until
the hose and header line are
blown clear of product either
by air or gravity.
Close header valve.
Final Stage
1. Disconnect hose from header.
2. Place a blank on header.
3. Pick up tools.
4. Notify dock to open bonding
switch and remove bonding
cable.
Wait for dock man or gauger to
gauge the barge.
6. Close last compartment valve.
7. Close all ullage holes.
8. Secure all dogs with spark
proof wrench.
Sign papers and put bill of
lading and chemical data card
in proper place.
10. Make final visual check of
vessel and emergency shutdown
system.
9
A. Give yourself plenty of time.
A. Use outside draft marks.
B. Bring barge to level
position.
Leave one compartment valve
open to drain hose.
A. Only after line has been
cleared.
A. Dock hose is pulled back.
A. Eliminate sparking on vessel
A. Use good gasket, bolts and
nuts .
A. No pollution or unsafe
conditions exist.
Representative terms from entire chapter:
loading operation
