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STATEMENT OF QUALIFICATIONS <br />DUDEK Proposal for Centennial Lake Renovation 7 <br />R <br />a. Excessive planktonic algae <br />k_____. ---- ..---- ...._.__ — <br />Dudek will design and implement a comprehensive <br />I water quality control plan that eliminates the need for <br />vascular rooted vegetation observed <br />I chemical inputs into the lake for water quality. Our <br />In lake <br />j c High concentration of hydrogen sulfide <br />proposed design includes a mechanical water quality <br />1 control system with improved vertical and horizontal <br />released from lake bottom <br />1 circulation of the lake water, to filter and capture macro <br />d. No nutrient / biological controls observed <br />'•, trash in the skimmers, and drastically Improved aeration <br />at lake <br />of the lake water, a biological water quality control <br />system utilizing biological filters and naturally occurring <br />e• Use of chemical herbicides/algaecides for <br />algae control (copper sulfate) <br />bacteria to remove nutrients from the lake water and <br />reduce lgal growth,P9 q vascular <br />r f Excessive waterfowl population <br />i <br />aqat to remove nutrients via root uptake, <br />- - `— _-- — — - - <br />(. Na observed waterfowl management <br />an environmental water quality control system to control <br />the waterfowl population and create habitat away from <br />measures in placeublic <br />'..� <br />areas for to reside, and Improve fish stocking <br />p P g <br />I. No observed lake user education program <br />In <br />to diversify the fish and aquatic animals, and a socio- i <br />behavioral water quality control plan to deter feeding of <br />_ place <br />g. Excessive trash/user debris on lake water <br />waterfowl at the park with signage and education <br />surface <br />_ <br />i Insufficient waste management facilities <br />jlh Lake pollution complaint on August 16, <br />201B <br />m <br />1. Fish kill reported September 6, 2016 <br />LL <br />t. No observed natural or artificial reefs <br />k. No fishery management plan <br />a. Separate fill line meter for lake <br />It was determined that lake water losses were minimal <br />{ b. Site is used for soil injection wells <br />and acceptable - no improvements needed. Portions of <br />the lake liner will be disturbed as a part of this project so, <br />1 c. Soil liner samples Indicate silty sands with <br />our design includes compaction requirements and a <br />water <br />6 to 10% clay and 35-50% fines <br />application of ESS -13 soil conditioner to restore <br />r - a <br />I. One sample indicated sand with 2 /o fines <br />(clay) <br />impermeability to the disturbed portions of the soli liner <br />G and further improve impermeability of the entire lake liner l <br />I <br />a. Waterfowl Management Plan <br />We have included asocio-behavioral water quality plan <br />- <br />b Public Awareness 1 Behaviors: <br />In the design that includes signage and kiosks, and <br />increasing the number of trash receptacles near the lake <br />i Feeding waterfowl <br />fo improve water quality. Our Lake Manual will provide a l <br />c..� ___ <br />u Disposal of hot coals <br />detailed discussion of the socio -behavioral water quality i <br />elements Included in our Lake Renovation Plan <br />Iii. Trash disposalmm_ <br />i <br />a. SitegFad ing <br />; Site grading and landscape and tress in the park outside <br />of the lake w 11 not be addressed as a part of this project. <br />These deficiencies will be resolved in a separate park <br />DUDEK Proposal for Centennial Lake Renovation 7 <br />