Level 2 Strategic Flood Risk Assessment (.pdf ... - Wigan Council

Map Name Map Reference Map Title Descriptiondevelopment during the Sequential Test and highlight the need for FRA to investigatethe residual risk further during a site-specific FRA. It is recommended that detailedinvestigations should be carried out and results incorporated into the final designfinished floor levels of the development. Site emergency plans should also take theresidual risk into account.Set M - CanalBreach VelocityGrids2009s0578 - D013_006CANALBREACHVELOCITYGRIDIndicates potential breach failure velocity rates of canal pounds along the LeedsLiverpool Canal through the Wigan borough. "Canal Hazard Zones" have beengenerated for areas which could flood if the Leeds and Liverpool canal were to overtopor breach. These hazard zones should influence the spatial placement ofdevelopment during the Sequential Test and highlight the need for FRA to investigatethe residual risk further during a site-specific FRA. It is recommended that detailedinvestigations should be carried out and results incorporated into the final designfinished floor levels of the development. Site emergency plans should also take theresidual risk into account.Set M - CanalBreach VelocityGrids2009s0578 - D013_007CANALBREACHVELOCITYGRIDIndicates potential breach failure velocity rates of canal pounds along the LeedsLiverpool Canal through the Wigan borough. "Canal Hazard Zones" have beengenerated for areas which could flood if the Leeds and Liverpool canal were to overtopor breach. These hazard zones should influence the spatial placement ofdevelopment during the Sequential Test and highlight the need for FRA to investigatethe residual risk further during a site-specific FRA. It is recommended that detailedinvestigations should be carried out and results incorporated into the final designfinished floor levels of the development. Site emergency plans should also take theresidual risk into account.Set M - CanalBreach VelocityGrids2009s0578 - D013_008CANALBREACHVELOCITYGRIDIndicates potential breach failure velocity rates of canal pounds along the LeedsLiverpool Canal through the Wigan borough. "Canal Hazard Zones" have beengenerated for areas which could flood if the Leeds and Liverpool canal were to overtopor breach. These hazard zones should influence the spatial placement ofdevelopment during the Sequential Test and highlight the need for FRA to investigate2009s0578 Final SFRA with Environment Agency Comments - L2 Ver5 Wigan.docXIV