Maintenance Management Plan: Dunes and Beaches DEPARTMENT: Environmental Management VERSION: 001 DATE: DD/MM/YYY Maintenance Management Plan: Dunes and Beaches Acknowledgements: With thanks to the eThekwini Municipality: Coastal, Stormwater and Catchment Management Department for use of their dune EMP template and generic information as well as the KZN Department of Economic Development, Tourism and Environmental Affairs. If you are viewing an electronic version of this report, please consider your environmental responsibility before printing it. Contact person: Darryl Colenbrander E-mail: [email protected] Tel.: 0214872355 Maintenance Management Plan: Dunes and Beaches 2 Table of Contents Glossary of terms and abbreviations ........................................................................................................5 Executive Summary .....................................................................................................................................7 Introduction ..................................................................................................................................................8 Problem statement ................................................................................................................................... 10 1.1 Large scale alteration of Cape Town’s coastline .................................................................................. 10 1.2 Compliance with NEMA EIA Regulations ............................................................................................. 12 1.3 A Maintenance Management Plan for Dunes and Beaches ................................................................ 13 Legislative Context ................................................................................................................................... 14 2.1 The National Environmental Management Act (Act No. 107 of 1998) ................................................. 14 2.2 The Constitution of the Republic of South Africa (Act No. 108 of 1996) .............................................. 14 2.3 Integrated Coastal Management Act (Act No. 36 of 2014)................................................................... 15 2.4 Control of the Use of Vehicles in the Coastal Area Regulations .......................................................... 15 Aims and Objectives of this MMP ........................................................................................................... 16 3.1 Aims 16 3.2 Objectives ............................................................................................................................................. 16 Implementing the MMP............................................................................................................................. 17 4.1 Practical application .............................................................................................................................. 17 Environmental Monitoring ....................................................................................................................... 18 5.1 Non-compliance with the MMP ............................................................................................................. 18 5.2 Amendments to the MMP ..................................................................................................................... 18 Rehabilitation of Dunes............................................................................................................................ 19 6.1 Reforming (rebuilding and reshaping) dunes ....................................................................................... 19 6.1.1 Material .............................................................................................................................................. 19 6.1.2 Position .............................................................................................................................................. 19 6.1.3 Slope and Shape ............................................................................................................................... 20 6.1.4 Height and width ................................................................................................................................ 20 6.1.5 Sand Sources .................................................................................................................................... 20 6.1.6 Dune rebuilding using dune forming materials .................................................................................. 20 6.1.7 Dune reconstruction using earth moving equipment ......................................................................... 21 6.1.8 Timing and reconstruction ................................................................................................................. 22 6.2 Dune stabilization ................................................................................................................................. 22 6.2.1 Mulch/Woodchip ................................................................................................................................ 22 6.2.2 Wind netting ....................................................................................................................................... 22 6.2.3 Bruch matting ..................................................................................................................................... 22 6.2.4 Irrigation ............................................................................................................................................. 23 6.2.5 Kelp .................................................................................................................................................... 23 6.3 Protective fencing ................................................................................................................................. 24 6.3.1 Fence type and construction ............................................................................................................. 24 6.3.2 Fence position ................................................................................................................................... 24 6.4 Re-vegetation of dunes ........................................................................................................................ 24 6.4.1. General planting principles ............................................................................................................... 24 6.4.2 Plants and seed mulch sourced from nurseries ................................................................................ 25 6.4.3 Compost and fertilizer ........................................................................................................................ 26 6.4.4 Irrigation systems............................................................................................................................... 26 6.5 Managing Access ................................................................................................................................. 27 6.5.1 Boardwalks ........................................................................................................................................ 27 6.5.2 Signage .............................................................................................................................................. 27 Monitoring of the rehabilitation and maintenance process ................................................................. 28 7.1 CCT Coastal Monitoring Programme ................................................................................................... 28 7.2 Search and rescue of nesting sea shore birds ..................................................................................... 29 7.3 Alien plant clearing ............................................................................................................................... 29 Maintenance Management Plan: Dunes and Beaches 3 7.4 Herbicides ............................................................................................................................................. 30 Beach re-profiling ..................................................................................................................................... 31 8.1 Purpose ................................................................................................................................................ 31 Estuary Mouth Maintenance Management Plans .................................................................................. 32 9.1 Purpose ................................................................................................................................................ 32 General site maintenance ........................................................................................................................ 33 10.1 Access routes ..................................................................................................................................... 33 10.2 No go areas ........................................................................................................................................ 33 10.3 Storage of equipment ......................................................................................................................... 33 10.4 Public safety, compliance and ECOs ................................................................................................