Parshall flume

Parshall flume

[′pär·shəl ‚flüm]
(engineering)
A calibrated device for measuring the flow of liquids in open conduits by measuring the upper and lower beads at a specified distance from an obstructing sill.
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Contractor shall construct and install the following new facilities at the site in accordance with the plans, and RWRD standard specifications: *Precast chlorine contact basin (CCB) *Chemical feed facility * Flow meter station *Service water facility *Effluent parshall flume *All associated yard piping including electrical and instrumentation Contractor shall also perform the removal of sections of the existing secondary effluent lines and removal of the existing Parshall flume as indicated in the plans.
The Parshall Flume is the most popular for its range of flows and ability to pass flow without taking much energy from it.
Demolish public works building Temporarily relocate bisulfite and hypochlorite tanks Demolish, perimeter fencing, Parshall flume structure, and park restroom.
The District intends to secure three Parshall flume meter improvements via false bottoms due to the nonlaminar flows and the flumes inability to accurately measure flows during peak flow events.
Tenders are invited for providing and laying of sewer lines, construction of manholes, providing house service connections, construction of receiving chamber, screen chamber, grit chamber, parshall flume and 3.