ODU6: Salterns Laneto Wilsons Boat Yard


Overview
ODU6islocatedbetweenSalternsLaneintheWestandWilsonsBoatYardin theEast.Residentialpropertiesandaccompanyingadhocprivatelyowned defencescharacterisethisshortunit.
Defences
Residuallivesofdefencesareunknownduetoinaccessibilityalongthis frontage.InlandrelativelandlevelsarehighcomparedtoadjacentODUs.
Environment
TheintertidalHarbourareaborderingthisfrontageisenvironmentally designatedasSSSI,Ramsar,SPA,SACandfallswithintheChichesterHarbour NationalLandscape.
ShorelineManagementPlanPolicy
HoldtheLineforthenext100years.





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.