Consulng Civil, Structural & Geo‐Environmental Engineers Flood Risk Assessment Report Site Address: Burley Road Rawtenstall Paul Waite Associates Ltd Summit House Riparian Way Project Ref: 11201/I/01B The Crossing Cross Hills February 2014 BD20 7BW
[email protected] www.pwaite.co.uk Report No.13161/I/01 REVISION B Project Details. FRA – Site off Burnley Road, Rawtenstall, Lancashire Date. February 14 Flood Risk Assessment Paul Waite Associates have been appointed by the RTB Partnership, to undertake a Flood Risk Assessment in support of a planning application for residential development at a site off Burnley Road in Rawtenstall, Lancashire. Clients Details RTB Partnership The Business Centre Futures Park Bacup Lancashire OL13 0BB Documents Revision Status ISSUE: DATE COMMENTS ‐ November 4, 2013 FINAL A February 10, 2014 FINAL ‐ Revised following updated development plans February 25, 2014 FINAL – Revised following response from the Environment B Agency Report No.13161/I/01 REVISION B Project Details. FRA – Site off Burnley Road, Rawtenstall, Lancashire Date. February 14 Contents Executive Summary 1 1.0 Introduction 3 2.0 Approach to the Flood Risk Assessment 4 2.1 Approach 4 2.2 Application of the Sequential and Exceptions Test 4 3.0 Site Details 6 3.1 Location 6 3.2 Former/Current Use 6 3.3 Proposals 6 3.4 Boundaries 7 3.5 Topography 7 3.6 Existing Drainage 8 3.7 History of Flooding 9 3.7.1 British Hydrological Society – Hydrological Events 9 3.7.2 Internet Search for Historical Flooding 9 3.7.3 Lancashire Area PFRA Document (2011) 9 3.7.4 Rossendale Borough Council SFRA (May 2009) 11 3.7.5 Environment Agency Data – Historic Flooding 11 4.0 Flooding Mechanisms 12 4.1 Fluvial: Limy Water 12 4.1.1 General 12 4.1.2 Modeled Flood Level Data 13 4.1.3 Overtopping 14 4.1.4 Climate Change 15 4.1.5 Infrastructure Failure: Blockage 16 4.1.6 Conclusion 17 Report No.13161/I/01 REVISION B Project Details.