HPRM ref no. IN1/16/91706 Summary of revisions to both Flood Hazard & Flood Risk Datasets since first publication on 2nd June 2014 Local Flood River Revision Management SFRA Name Model Revision Changes to datasets Basin Date Tidal Area (LFMA) Fluvial Pluvial New model dated 1. Fluvial Hazard web service 06/10/2020. Replaces model revised. Belfast Lough and dated 30/10/2019. Flood 2. 70 PDF Hazard maps re- NE Newtownabbey Newtownabbey ✓ 15/12/2020 Tidal Lagan defences and Areas published covering 14 sheets: Benefiting from defences instances of FDL , FDM, FDMCC, reviewed/amended. FDH, FEA. New model dated 1. Fluvial Hazard web service 25/09/2020. Replaces model revised. Belfast Lough and Glengormley & dated 09/02/2017. Flood 2. 45 PDF Hazard maps re- NE Mallusk ✓ 15/12/2020 Tidal Lagan Mallusk defences and Areas published covering 9 sheets: Benefiting from defences instances of FDL , FDM, FDMCC, reviewed/amended. FDH, FEA. New model dated 1. Fluvial Hazard web service 19/10/2020. Replaces model revised. dated 27/07/2016. Flood 2. 165 PDF Hazard maps re- NB Maine and Braid Ballymena Maine_Braid ✓ 15/12/2020 defences and Areas published covering 33 sheets: Benefiting from defences instances of FDL , FDM, FDMCC, reviewed/amended. FDH, FEA. 1 of 25 HPRM ref no. IN1/16/91706 Local Flood River Revision Management SFRA Name Model Revision Changes to datasets Basin Date Tidal Area (LFMA) Fluvial Pluvial New model dated 1. Fluvial Hazard web service 15/10/2020. Replaces model revised. dated 03/10/2013. Flood 2. 15 PDF Hazard maps re- NB Maine and Braid N/A Lower Maine ✓ 15/12/2020 defences and Areas published covering 3 sheets: Benefiting from defences instances of FDL , FDM, FDMCC, reviewed/amended. FDH, FEA. New model dated 1. Fluvial Hazard web service 03/07/2020. Replaces model revised. dated 23/10/2013. Flood 2. 50 PDF Hazard maps re- NW Faughan Londonderry Faughan ✓ 15/12/2020 defences and Areas published covering 10 sheets: Benefiting from defences instances of FDL , FDM, FDMCC, reviewed/amended. FDH, FEA. New model dated 1. Fluvial Hazard web service 27/08/2020. Replaces model revised. dated 11/12/2013. Flood 2. 35 PDF Hazard maps re- NW Roe N/A Eglinton ✓ 15/12/2020 defences and Areas published covering 7 sheets: Benefiting from defences instances of FDL , FDM, FDMCC, reviewed/amended. FDH, FEA. New model dated 1. Fluvial Hazard web service 29/09/2020. Replaces model revised. Dungannon (Linen dated 07/05/2019. Flood 2. 60 PDF Hazard maps re- NB Blackwater N/A ✓ 15/12/2020 Green) defences and Areas published covering 12 sheets: Benefiting from defences instances of FDL , FDM, FDMCC, reviewed/amended. FDH, FEA. 2 of 25 HPRM ref no. IN1/16/91706 Local Flood River Revision Management SFRA Name Model Revision Changes to datasets Basin Date Tidal Area (LFMA) Fluvial Pluvial Mapping extended to the 1. Fluvial Hazard web service east, output from model revised. dated 11/11/2020. Replaces 2. 20 PDF Hazard maps re- NB Blackwater N/A Ballygawley ✓ 15/12/2020 model dated 23/03/2018. published covering 4 sheets: Flood defences and Areas instances of FDL , FDM, FDMCC, Benefiting from defences FDH, FEA. reviewed/amended. A revised set of maps illustrating a new instance of 1. Web services revised. Pluvial Risk Computations 2. 255 PDF Hazard maps All of NI ✓ 25/09/2020 (2020) based upon current published covering 85 sheets: damage per water depth instances of PRL , PRM, PRH. curves. A revised set of maps illustrating a new instance of 1. Web services revised. Pluvial Risk Computations 2. 255 PDF Hazard maps All of NI ✓ 22/03/2020 (2020) based upon current published covering 85 sheets: damage per water depth instances of PRL , PRM, PRH. curves. 3 of 25 HPRM ref no. IN1/16/91706 Local Flood River Revision Management SFRA Name Model Revision Changes to datasets Basin Date Tidal Area (LFMA) Fluvial Pluvial A revised set of maps illustrating a new instance of 1. Web services revised. Fluvial Risk Computations 2. 234 PDF Risk maps All of NI ✓ 20/12/2019 (2019) based upon current republished covering 78 sheets: damage per water depth instances of FRL , FRM, FRH. curves. A revised set of maps illustrating a new instance of 1. Web services revised. Pluvial Risk Computations 2. 243 PDF Hazard maps All of NI ✓ 20/12/2019 (2019) based upon current published covering 81 sheets: damage per water depth instances of PRL , PRM, PRH. curves. A revised set of maps 1. Web services previously illustrating a new instance of revised. Tidal Risk Computations All of NI ✓ 20/12/2019 2. 42 PDF Hazard maps (2019) based upon current republished covering 14 sheets: damage per water depth instances of TRL ,TRM, TRH. curves. 4 of 25 HPRM ref no. IN1/16/91706 Local Flood River Revision Management SFRA Name Model Revision Changes to datasets Basin Date Tidal Area (LFMA) Fluvial Pluvial Return Period Q100CC ONLY replaced between bridge at Mazetown (322100mE, 1. Fluvial Hazard web service 362370mN) & M1/River revised. NE Lagan Lisburn & Belfast Lagan C (part of) ✓ 12/12/2019 Lagan intersection 2. 30 PDF Hazard maps re- (329890mE, 367916mN), with published covering 30 sheets: dataset dated 20/06/2013. instance of FDMCC. Correction to data. Brokerstown spur unchanged. New model dated 30/05/2019 covering Portadown. Section upstream 1. Fluvial Hazard web service from M1/River Bann revised. Upper Bann DS intersection to edge match 2. 70 PDF Hazard maps re- NB Upper Bann Portadown ✓ 12/12/2019 (Portadown) with Upper Bann US @ published covering 14 sheets: 304890mE, 349960mN. All instances of FDL , FDM, FDMCC, return period (RP) data, Q2 - FDH, FEA. Q1000. Defence SoPs, ABDs reviewed & revised. 5 of 25 HPRM ref no. IN1/16/91706 Local Flood River Revision Management SFRA Name Model Revision Changes to datasets Basin Date Tidal Area (LFMA) Fluvial Pluvial 1. Fluvial Hazard web service Output from new model revised. Belfast Lough and dated 05/08/2019. New set 2. 70 PDF Hazard maps re- NE Newtownabbey Newtownabbey ✓ 12/12/2019 Tidal Lagan of return period (RP) data, Q2 published covering 14 sheets: - Q1000. instances of FDL , FDM, FDMCC, FDH, FEA. 1. Fluvial Hazard web service Output from new model revised. dated 17/09/2019. New set Ballymoney & Ballymoney- 2. 115 PDF Hazard maps re- NB Lower Bann ✓ 12/12/2019 of return period (RP) data, Q2 Coleraine Coleraine published covering 23 sheets: - Q1000. Defence SoPs, ABDs instances of FDL , FDM, FDMCC, reviewed & revised. FDH, FEA. Output from new model 1. Fluvial Hazard web service dated 05/08/2019. Section revised. Upper Foyle covering Fintona, up stream 2. 15 PDF Hazard maps re- NW Strule Omagh ✓ 12/12/2019 (Fintona) from 245027mE, 362750mN. published covering 3 sheet: New set of return period (RP) instances of FDL, FDM, FDMCC, data, Q2 - Q1000. FDH, FEA. 6 of 25 HPRM ref no. IN1/16/91706 Local Flood River Revision Management SFRA Name Model Revision Changes to datasets Basin Date Tidal Area (LFMA) Fluvial Pluvial 1. Fluvial Hazard web service Output from new model revised. dated 05/08/2019. New set 2. 30 PDF Hazard maps re- NB Ballinderry Cookstown Cookstown ✓ 12/12/2019 of return period (RP) data, Q2 published covering 6 sheet: - Q1000. instances of FDL, FDM, FDMCC, FDH, FEA. Output from new model dated 05/07/2019, covering 1. Fluvial Hazard web service subset of model around Linen revised. Dungannon (Linen Green, between 280749mE, 2. 10 PDF Hazard maps re- NB Blackwater Dungannon ✓ 12/12/2019 Green) 360950mN & 281500mE, published covering 2 sheet: 360145mN. New set of instances of FDL, FDM, FDMCC, return period (RP) data, Q2 - FDH, FEA. Q1000. 1. Fluvial Hazard web service Output from new model revised. dated 31/05/2019. New set 2. 70 PDF Hazard maps re- NB Lough Neagh Lurgan Lurgan ✓ 12/12/2019 of return period (RP) data, Q2 published covering 15 sheet: - Q1000. Model extent instances of FDL ,FDM, FDMCC, expanded. FDH, FEA. 7 of 25 HPRM ref no. IN1/16/91706 Local Flood River Revision Management SFRA Name Model Revision Changes to datasets Basin Date Tidal Area (LFMA) Fluvial Pluvial Output from new model 1. Fluvial Hazard web service dated 01/08/2019. revised. Watercourse MW3119 ONLY 2. 5 PDF Hazard maps re- NB Newry & Mourne Warrenpoint Warrenpoint ✓ 12/12/2019 revised (upstream from published covering 1 sheet: 315730mE, 318213mN) . All instances of FDL ,FDM, FDMCC, Return Periods revised. FDH, FEA. 1. Fluvial Hazard web service Output from new model revised. dated 12/11/2019. Return 2. 20 PDF Hazard maps re- NB Newry & Mourne Rostrevor Rostrevor ✓ 12/12/2019 Periods Q100CC & Q1000 published covering 4 sheets: only revised. instances of FDL ,FDM, FDMCC, FDH, FEA. Flood Defences FIDs Ahoghill, Gracehill, 881,882,884,885,877(Ballyme 1. Fluvial Hazard web service NB Maine and Braid Maine & Braid ✓ 17/12/2018 Ballymena na 310500mE, 402200mN): revised. SoPs revised. Flood defences FIDs 958, 959, 960 has been re-classified to Cushendall (Area of Conveyance Structure. SoP 1. Fluvial Hazard web service NW Glens and Rathlin Cushendall ✓ 17/12/2018 Further Study) set to 'unknown' not shown in revised. map of web service. ABD removed. 8 of 25 HPRM ref no. IN1/16/91706 Local Flood River Revision Management SFRA Name Model Revision Changes to datasets Basin Date Tidal Area (LFMA) Fluvial Pluvial Centre of Omagh: Fluvial Hazard web service: Flood Defence SoPs reviewed and 1. Fluvial Hazard web service NW Strule Omagh Upper Foyle ✓ 17/12/2018 revised to match SoPs shown revised. on PDF maps. SoPs based upon fluvial model dated 09/02/2017 A set of 35 new PDF maps & 1.