In addition, Osceola Machine makes flap gates, flashboard
risers, screw gates, beaver guards and many other water-control structures.
Sports broadcaster China Sports Media (CSM) has installed the TSL FlashBoard
Information and display system at its headquarters in Beijing, China.
One was a cover with a single-cavity mold and four gates; the other was a flashboard
with a two-cavity mold that was treated as an integrated part.
(1979) observed a 50% reduction in N[O.sub.3] losses in drainage ditches of the Coastal Plain when flashboard
risers were installed in the tile mains and used to elevate water table depth.
Commercially available structures offer either stacked flashboard
risers or floats to adjust this water level.
Included new features: FootPrints Customer eService portal; FootPrints Dynamic SQL Database Link; a full-service level management module; an automated, customizable flashboard
; stronger performance to manage large ticket volumes; and individual work schedules and agent availability matrix.
Visitors to booth 10.B41 can also check out FlashBoard
, a new addition to the TSL Products command and control range.
risers at the lower end of fields, for example, have been shown to retain water on the fields during the spring or winter, keeping nutrients from running off the fields to adjacent waters and protecting water quality (USDA 1996).
Also demonstrated are a number of methods to safely convey stormwater runoff, including a flashboard
structure, timber drop structure, wire encased stone (gabion) drop structure, and riprapping.
The regional director said that in addition to the water being sent down the Swift River through the lower spillway controlled by flashboards
, 300 million gallons per day was being diverted through the aqueduct to Wachusett Reservoir.