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Hydrological Equipment

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Tacoma Bank Operated Cableway, 290ft Span

Item No.:
375.00 LBS

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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 290 feet (90m) spans and up to 220 lbs (100kg) capacity.


  • 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
Tacoma Bank Operated Cableway-Rickly (04:14)
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.
  • Tacoma Bank Op...
    The Bank-Operated cableway is designed for use where regular f...
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    The simple steps of performing a bank-operated-cableway (BOC)...