to complete the work on a very tight
schedule.
Another recent major retrofit was
the Cable & Wireless cable ship
Cable Enterprise. The last of a four-
frigate refit contract for the Canadi-
an Navy is under way with the dry-
docking of HMCS Saskatchewan at
the company's Esquimalt yard on
Victoria Island, following comple-
tion of the HMCS Yukon in January
this year.
DILLINGHAM
Circle 12 on Reader Service Card
During the past 12 months, Dil-
lingham Ship Repair in Portland,
Ore., has performed some major re-
pair and conversion jobs. Mitsui In-
tegrated Propeller Ducts were in-
stalled on four 165,000-dwt tank-
ers—Brooks Range, Exxon North
Slope, Kenai, and Thompson Pass.
These ducts, each weighing 70 tons
with a diameter of 35 feet, were
manufactured by Mitsui in Japan
and shipped to the Portland yard
via containership.
Another noteworthy job was the
rebuilding of the rudder stock and
rudder of the 225,000-dwt tanker
Bay Ridge. The rudder weighed 180
tons and the stock 150 tons. This
was a 17-day job; similar work on
two sister ships performed in Rot-
terdam and South Africa took 40
and 70 days to accomplish.
A six-month job on the Alaska
State ferry Matanuska involved a
complete re-engining of both main
engines, reduction gears, shafting,
and propellers. The original fixed
propellers were replaced with CP
units. The job also included refur-
bishing of the engine room controls,
pumps, piping, and electrical other
than the generating sets.
Other jobs included the installa-
tion of a Foster Wheeler inert gas
generating system on the tanker
Chevron Colorado, and the replace-
ment of the main reduction gear on
the tanker Exxon North Slope.
Recent upgrading of facilities at
Dillingham included the purchase
and installation of two 100-ton
chain air hoists manufactured in
West Germany, and the installation
of a test rack for valves up to 36-
inch. This latter unit cut valve test-
ing time from several hours by sev-
eral employees to a matter of min-
utes.
Other facilities improvements in-
clude a new blasting room 12 by 12
by 24 feet, a dehumidification sys-
tem for use when blasting tanks,
four additional vacuum material re-
movers, and a 12- by 40-foot, multi-
ple-head, computer-controlled plate
burning machine.
Dillingham recently was awarded
a $20.5-million contract by the Mar-
itime Administration for the con-
version of the containership ex-
President Polk into an auxiliary
crane ship (TAC-S-3) for assign-
ment to the Navy's Ready Reserve
Fleet.
FOSS SHIPYARD
Circle 24 on Reader Service Card
Foss Shipyard in Seattle and Dil-
lingham Maritime Services (DMS)
recently completed a major conver-
sion of the oil barge Foss 255, which
is used for supplying Chevron petro-
leum products to Alaska's Gulf
Coast and Aleutian Island commu-
nities. DMS won the Chevron USA
distribution contract, and put the
conversion contract out for bid. The
Foss yard won the contract in highly
competitive bidding.
Conversion of the Foss 255 was
carried out to Chevron specifica-
tions, creating an all-weather, year-
round floating distributor of Chev-
ron products. Replacing the Alaska
Standard, a tanker retired because
of age, the converted Foss 255 is a
U.S. Coast Guard Grade A petro-
leum vessel, featuring 12 segregated
tanks and four separate pumping
systems. It will carry three grades of
automobile gasoline, two grades of
aviation gas, jet fuel, No. 2 disel
fuel, home heating oil, drums of lube
oil, and cases of gas station type
products to more than 15 Alaska
communities. The barge is 250 feet
long, with a beam of 76 feet and a
capacity of more than 40,000 bar-
rels. Foss Shipyard completed the
conversion on schedule.
GUNDERSON
Circle 14 on Reader Service Card
A group of Oregon investors re-
cently purchased FMC Corpora-
tion's Marine and Rail Equipment
Division in Portland, bringing cor-
porate ownership back to the State,
(continued on page 16)
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Circle 224 on Reader Service Card
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July 16, 1985 15
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