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USGS Bank-Operated
Cableways
The Bank-Operated cableway is designed for use where
regular flow measurements need to be made at suitable cross-sections
of rivers or canals. The advantage of the USGS style system is its
ease of installation, low cost, one-man operation and sounding reel
(winch) which is portable and can be used with any of the other
suspension equipment such as manned cableways (up to 2000 feet or 600
meters), three and four-wheel trucks with cranes, bridges, boards, and
boat outfits. This makes the system extremely versatile and cost
effective. The power drive unit can be used with this system and is
very convenient for heavy sounding weights and sediment samplers. The
system can be a fixed installation or portable depending on project
requirements. The following models are standard with many custom
options available:
USGS Tacoma Bank-Operated Cableway System- Model 4740
 The USGS Tacoma Bank-Operated
Cableways are designed as a safe, low- cost, one-man operation
cableway to replace manned cable cars or for sites that are not easily
gaged by boat or a bridge. The system uses a standard
B-56 sounding
reel (not included) which does not need to be mounted permanently but
can easily be moved from site to site. Model 4740 standard system
consists of bearing posts, main tow cable, pulleys, trolley, vandal
protection covers and miscellaneous hardware with a nominal span of
150 feet (45 meters) and 150 lbs. (68 kg) sounding weight or sediment
sampler maximum capacity. Also the Tacoma BOC can be used with the
extended length high capacity B-56-Ext and used for installations up
to 200 feet (60m) spans.
Highlights:
 No personnel over
the water - everyone stays on the bank
Low cost
alternative to manned cable cars
Uses standard B-56
sounding reel
New design
minimizes forces for easy cranking current meter or sample across
stream
Power drive unit
can be used for heavy weights and samplers
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Item No. |
DESCRIPTION |
WEIGHT |
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106-230 |
Tacoma Bank Operated Cableway |
310 lbs. |
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This is a transportable type for temporary erection with a
span of up to 165 feet (50 m) and a sounding weight or sampler up to 55
lbs (25 kg). On one bank of the river, a galvanized steel tube is used as
a bearing post. The tube is inserted in a pointed steel sleeve driven into
the ground. It can later be extracted with the aid of a bar shown in the
illustration. Two guide wires run from the post to two steel stakes at the
rear. On the opposite bank, the double winch rests on a folding skid made
of steel tubing. This also is held in position by guide wires at the rear.
Cable span 165 feet (50 m)
Weight 55 lbs. (25 kg) max.
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Item No. |
DESCRIPTION |
WEIGHT |
|
106-235 |
Portable Bank-Operated Cableway |
40 lbs. |
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Kingfisher Bank-Operated Power Cableway - Model 4770
 This is a bank-operated cableway with a heavy
duty power drive package for the heaviest sounding weights, samplers,
or ADCP Tows with rivers up to 800 feet across. The Kingfisher unit
can be mounted in the bed of a vehicle or used with existing or
abandoned manned cableways and with special modifications can be
extended for use with up to 1000 feet post to post cableways. It can
also be fastened to natural anchor points such as trees and rocks
and does
 not
require permanent attachment to concrete footings or mass anchors.
The Kingfisher unit uses its own 1000 watt gasoline portable
generator with D.C. converter and rheostat speed adjustment. The
control box has adjustable speed commands for horizontal and
vertical stationing. The variable speed feature allows rapid recovery of
equipment in case of flood debris or boat traffic. The cable drum has
an electric clutch and brake and level wind cable guide. The DC
electric motor has a worm angle drive with a variable speed of 20 to
88 rpm. The standard unit uses a 3/8" dia. main cable and the unit is
complete with a sturdy sheet metal enclosure.
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Item No. |
DESCRIPTION |
WEIGHT |
|
106-280 |
Kingfisher Bank Operated Power Cableway |
85 lbs. |
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