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Oceangoing Deck Barges
Oceangoing barges transport cargo beyond the inland water boundaries of a country. At times, shipping
in higher speed ocean freighters can be favorable. However, ocean barging also has its advantages.
Unimproved or shallow draft ports often are only accessible by tug and barge. High-volume loads, such
as large-diameter pipe, and extremely heavy equipment, such as pre-fabricated oil-production facilities,
are especially adapted to ocean barging.
The hazards of navigation and the forces of nature require oceangoing barges to be of
specialized design and heavy construction. This results in an increase in costs of building, outfitting,
maintaining, and towing such vessels. American flag ocean barges are built to the requirements of the
U.S. Coast Guard and the American Bureau of Shipping (ABS), the authorized loadlining agency. Each
barge is inspected and certified by authority of these agencies, and appropriate documents are issued to
be carried on board at all times. The Coast Guard and ABS should be consulted for complete information
on their requirements on ocean barges.
McDonough
Barge Size |
Loadline |
Approximate
Short Ton Cargo
Capacity at Freeboards of: |
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3' |
4' |
5' |
6' |
140' x 40' x 9' * |
900 |
740 |
580 |
420 |
260 |
140' x 40' x
9'6" |
965 |
820 |
660 |
500 |
340 |
150' x 40' x 10' |
965 |
865 |
680 |
505 |
335 |
150’ x 55’ x 9’* |
1300 |
1080 |
830 |
585 |
345 |
160’ x 50’ x 8’* |
982 |
787 |
545 |
305 |
75 |
180' x 54' x 12' * |
2360 |
2200 |
1900 |
1600 |
1300 |
180' x 54' x
12'6" |
2380 |
2230 |
1935 |
1640 |
1345 |
200' x 50' x 13' |
2600 |
2500 |
2150 |
1820 |
1460 |
210' x 60' x
13'6" |
3050 |
3180 |
2805 |
2410 |
2015 |
250' x 72' x 16' |
see details
of Marmac 9,11,12,15,16,17,18,19, 20 |
260' x 72' x 16' |
see details
of Marmac 21, 22 |
300' x 100 '
x 19'9" |
see details
of Marmac 300 |
400' x 99'9" x
20' |
see details
of Marmac 400 |
| *Some of these barges have spudwells. |
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McDonough Marine Service
has many oceangoing deck
barges in its rental fleet.
The use of these barges
varies in accordance with
their size and design
characteristics. Cargo loads,
navigational routes, loading
and unloading facilities and
weather factors are major
considerations for determining
the most suitable barge for the
intended use.
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These sketches are typical of oceangoing deck barges.
Number and arrangement of bulkheads may vary with size
of barge. |
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“Dimensions
indicated on drawings and charts herein are approximate
hull measurements and may not include fendering and/or
other hull fittings affecting overall size.”
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