Specifications include, but are not limited to: Removal of seven (7) sets of old-24" diameter steel corrugated pipes, lengths from 32'-73' and six (6) old steel flashboard risers. One (1) set of pipes has a Waterman Canal gate attached instead of a flashboard riser. The Waterman Gate will be removed and set aside for Oklahoma Department of Wildlife Conservation (ODWC)to pick up. Installation of 8 new water control structures (Aluminum Corrugated pipes and Aluminum Flash boardriser). Elevations of old pipes and structures will be surveyed and recorded by vendor and new pipe and structures will be placed back to same locations elevations. One (1) set of pipes and structure will be in a new location. This area does not have a set of old structures to be removed. The area for these structures has been surveyed and elevations recorded and will be provided by ODWC. There are (8) sets of outlet pipes that are 24" diameter. Total lengthof pipes in each set ranges from 32'-73’ •