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2021-062A
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Last modified
5/6/2021 12:48:43 PM
Creation date
5/6/2021 12:48:15 PM
Metadata
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Template:
Official Documents
Official Document Type
Work Order
Approved Date
04/20/2021
Control Number
2021-062A
Agenda Item Number
8.E.
Entity Name
Andersen Andre Consulting Engineers, Inc.
Subject
Construction Testing Services for Moorhen Marsh Low Energy Aquatic Plant System
Work Order No. AACE-1
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EXHIBIT A <br />ANDERSEN ANDRE CONSULTING ENGINEERS, INC. A -ACE Proposal No. P20-1599 <br />Geotechnical Engineering April 7••, 2021 (Rev2) <br />Construction Materials Testing <br />Environmental Consulting <br />Indian River County BOCC <br />Public Works - Stormwater Division <br />180127'11 Street <br />Vero Beach, FL 32960 <br />Attention: Mr. W. Keith McCully, P.E. <br />PROPOSAL FOR CONSTRUCTION MATERIALS TESTING <br />AND MONITORING SERVICES <br />MOORHEN MARSH LOW ENERGYAQUATIC PLANT SYSTEM (LEAPSO) <br />INDIAN RIVER COUNTY, FLORIDA <br />Andersen Andre Consulting Engineers, Inc. (AACE) is pleased to present this proposal for performing <br />construction materials testing and monitoring services for the Moorhen Marsh LEAPS project which <br />is proposed to be constructed on the northeast corner of 66d' Avenue and 53 Street in Indian River <br />County, Florida. RACE is the Geotechnical Engineer -of -Record for this project, and has previously <br />issued a Subsurface Exploration and Geotechnical Engineering Evaluation report for the project dated October <br />9, 2019 (AACE File No. 19-140). <br />As part of preparing this proposal, we have reviewed the following documents provided to us: <br />Structural Plans prepared by Kimley-Horn (dated 02/22/21) <br />Civil & Mechanical Plans prepared by IRC Public Works Stormwater Division (dated 03/25/21) <br />Hence, based on our conversations and our review of these plan sets, we understand that it is proposed <br />to construct an approximately 17 -acre aquatic plant water treatment facility, (Low Energy Aquatic Plant <br />System - LEAPS) intended to reduce contamination/pollutants from the water in the adjacent Indian <br />River Farms Water Control District (IRFWCD) North Relief Canal (NRC). The LEAPS facility will <br />have a pump station near the northwest corner of the site, pumping water from the NRC into the <br />facility. The water will pass through pipes/structures into eight water lettuce scrubber basins after <br />which the water will flow over weirs, through solids sumps and discharge/reoxygenation flumes, and <br />into a transfer channel before it is released back into the NRC. <br />The follow ing describes our understanding of the main components of the LEAPS facility as it relates <br />to our work: <br />The intake pump station/headNvorks structure will include an approximately 20 -ft deep concrete <br />structure (bottom near EL 2.00 ft) [NAVI388 datum throughout], and will be pipe -connected <br />(42"x29" CAP arch) to the NRC. ' <br />The water lettuce scrubber basins will each have concrete slabs (EL 20.50 ft), milling berms (for <br />service roads) and interior divider walls/curbs. <br />834 SW Swan Avenue, Port St. Lucie, Florida 34983 Ph: 772-807-9191 Fx: 772-807-9192 www.aaceinc.com <br />
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