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Seaport Centre Levee System Operation and Maintenance Manual <br />July 2023 <br />1 OVERVIEW AND ACCESS......................................................................................................................................1 <br />1.1 <br />Purpose of Manual...................................................................................................................................1 <br />1.2 <br />Changes to the Project or the Manual..............................................................................................1 <br />1.3 <br />Project Vehicular Access........................................................................................................................1 <br />2 NORMAL OPERATION, MAINTENANCE AND REPAIR...............................................................................2 <br />2.1 <br />Introduction................................................................................................................................................2 <br />2.2 <br />Levee Embankments................................................................................................................................2 <br />2.2.1 Maintenance of grass and sod cover.........................................................................................2 <br />2.2.2 Animal Control Program (baiting, trapping, and barriers).................................................3 <br />2.2.3 Repair animal damage on levee slopes and at levee toe...................................................3 <br />2.2.4 Levee embankment and slope repairs......................................................................................3 <br />2.2.5 Repair and maintenance of high ground areas along levee alignment .......................3 <br />2.2.6 Repair of levee damage caused by flood events (scour, slumps, and sags)...............3 <br />2.3 <br />Floodwall......................................................................................................................................................3 <br />2.3.1 Removal or trimming of vegetation within levee easement.............................................4 <br />2.3.2 Removal or pruning of all vegetation encroaching within levee easement...............4 <br />2.3.3 Repair of floodwall damage..........................................................................................................4 <br />2.4 <br />Interior Drainage System.......................................................................................................................4 <br />2.4.1 Outfall flap gate service and repairs...........................................................................................4 <br />2.4.2 Pipe inspection, repairs, and sediment removal....................................................................4 <br />2.4.3 Removal of sediment and vegetation at outfalls..................................................................5 <br />2.4.4 Repair and maintenance of outfall slope protection...........................................................5 <br />2.4.5 Positive Closure Valve.....................................................................................................................5 <br />2.5 <br />Miscellaneous Maintenance Activities..............................................................................................5 <br />2.5.1 Miscellaneous Repairs and Maintenance.................................................................................5 <br />2.5.2 Remove unauthorized encroachments in levee easement (stairs, landscaping, <br />utilities, fences, irrigation, etc)......................................................................................................5 <br />2.5.3 Maintenance of authorized encroachments in levee easement.............................5...... <br />2025.276 - SEAPORT PURCHASE AGREEMENT <br />REV: 10-15-25 VR <br />