Bypass Channel

bypass channel

[′bī‚pas ‚chan·əl]
(civil engineering)
A channel built to carry excess water from a stream. Also known as flood relief channel; floodway.
A channel constructed to divert water from a main channel.

Bypass Channel

 

the open portion of a river channel, unobstructed by hydraulic engineering installations, designed to allow the passage of water during the construction of a hydroengineering complex (a complex consisting of power plants, reservoirs, canals, and the like). The channel is blocked during the final construction phase.

References in periodicals archive ?
Tenders are invited for bank protection work of open portion of bypass channel both at upstream and downstream, construction of r.
The material may pass through a mixing flight that includes an undercut for dispersive mixing and bypass channel for distributive mixing.
When the approvals are finalized, the Penobscot Trust has announced plans to remove dams at Veazie and Great Works, and decommission the dam at Howland but leave it in place and install a bypass channel for fish passage.
The Trust will raise funds to buy the two dams slated for removal, and will equip a third one with a fish bypass channel.
The project included a new bypass channel at the southern end of the canal.
After a bypass channel was dug and shored, four, 8 by 20 foot trench boxes with 84-inch spreaders were set upstream in the river one at a time, and then filled with dirt to create a solid cofferdam.
The five violations identified by the corps stem from work the utility performed last year to protect a fish barrier and bypass channel at the western end of the canal.
The money will allow the agency to build a new flood bypass channel, storage area utilising an old reservoir and the building and raising of walls in the town.
In addition to protecting a system from excessive pressure, this valve functions as a control module that can be used for periodic purging of a system, opening a bypass channel when the pump is running in a closed system, and providing on/off regulation.
The small area, used as a bypass channel, adjacent one stream bank, was treated in an identical manner while 95 percent of the channel was returned to normal flow.
Large screens prevent fish from being drawn into the turbine intakes and direct them upward into a bypass channel.
Eventually, however, sediments filled in the grooves, obscuring this bypass channel pattern and contributing to the drowning of the platform blocks.