ODU 6 Salterns Lane to Wilson's Boat Yard

ODU6: Salterns Laneto Wilsons Boat Yard

Overview

ODU6islocatedbetweenSalternsLaneintheWestandWilsonsBoatYardin theEast.Residentialpropertiesandaccompanyingadhocprivatelyowned defencescharacterisethisshortunit.

Defences

Residuallivesofdefencesareunknownduetoinaccessibilityalongthis frontage.InlandrelativelandlevelsarehighcomparedtoadjacentODUs.

Environment

TheintertidalHarbourareaborderingthisfrontageisenvironmentally designatedasSSSI,Ramsar,SPA,SACandfallswithintheChichesterHarbour NationalLandscape.

ShorelineManagementPlanPolicy

HoldtheLineforthenext100years.

ODU6

WilsonsBoat Yard

Risk

Floodanderosionrisksarelowuntilthelongerterm,when99propertiesareshowntobeatriskoftidalflooding withnodefencespresent.

Themapsbelowshowthemodelledextentanddepthsofanextremetidalfloodevent(1in200year,0.5%annual probability),withoutanydefences,todayandin100years,allowingforsealevelrise.

Erosionrisk

Numberofpropertiesatrisk,withnodefences

Tidalfloodrisk

Numberofpropertiesatrisk,withnodefences

MaintainthenImprove0.5% AEPfrom2075

residentialproperties,bymaximisingthelifeofexistingdefencesby defenceownersintheshortandmediumterm,subjectto obtainingtherelevantlicencesandconsents,beforeconstructing newdefencesinthelongtermtoreducerisktoproperties.Where landownersarenolongerabletomaintaintheirdefences,or fundingforaschemeisnotfound,adaptationwillneedtobe exploredasacommunity,toadjusttotherealityoffuturecoastal floodanderosionrisk.

NextSteps

Noneidentifiedforthisfrontageintheshort-term,otherthanongoing conversationswithcommunitiesinrelationtolevelsofriskandwhat todointheeventofaflood.