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\nReport No: P19012_DetailedDesign_NGA_R1 .00  \nDocument Summary  \nDocument Title  \nProject Name Client  \nReport No.  \nNanumaga Detailed Design Report Tuvalu Coastal Adaptation Project United Nations Development Program  \nP19012_DetailedDesign_NGA_R1 .00  \nDocument History Version Date  \n1.0 18/03/21  \nAuthor(s)  \nJames Lewis  \nReviewer(s)  \nArtur Webb  \nStatus DRAFT  \nSignature  \nAcknowledgements  \nThe support of the Government of Tuvalu, in particular the Department of Lands and Survey, under the direction of Faatasi Malologa is gratefully acknowledged. We wish to express our sincere thanks to the Nanumaga Kaupule for their support and assistance. The design development benefited greatly from the valuable guidance and support of Alan Resture, Jone Feresi, Paul Audin, Puanita Ewekia and especially Dr. Arthur Webb, whose extensive knowledge of the Tuvaluan islands and their vulnerabilities gave birth to the concepts underpinning the Tuvalu Coastal Adaptation Project . We wish to acknowledge the people of Nanumaga for their warm hospitality during our time in Tuvalu  \nTable of Contents  \n1. INTRODUCTION .............................................................................................................. 1  \n1.1 General................................................................................................................... 1  \n1.2 Project and report objectives .................................................................................. 1  \n1.3 Report background ................................................................................................. 2  \n1.4 Report outline ......................................................................................................... 2  \n2. BASIS OF DESIGN.......................................................................................................... 3  \n2.1 Design Life ............................................................................................................. 3  \n2.2 The Australian Standard Guidelines for the design of maritime structures (AS 4997-  \n2005) specifically excludes the design of “coastal engineering structures such as rock armoured walls, groynes, etc.” The Berm Top Barrier design presented in the Concept Design Report adopts buried geosynthetic mega containers (GMC) for the core of the structure. Geotextile containers were originally expected to have a service life of at least 25 years in their earlier design iterations. Improvements in geosynthetics have been reported to have design lives exceeding 40 years (Bettington, 2018) . This has been adopted as the design life of the BTB structure.  \nDesign event .......................................................................................................... 3  \n2.3 Site ......................................................................................................................... 3  \n2.4 Design inputs.......................................................................................................... 7  \n3. COASTAL PROTECTION DESIGN ............................................................................... 12  \n3.1 Overview .............................................................................................................. 12  \n3.2 Structure details .................................................................................................... 12  \n3.3 Drainage ............................................................................................................... 14  \n3.4 Borrow areas ........................................................................................................ 14  \n3.5 Boat ramp ............................................................................................................. 16  \n4. PROJECT IMPLEMENTATION.........................................................","cbCailHQwWAA68ss","https://ap.wps.com/l/cbCailHQwWAA68ss","pdf",9695142,51,"English","# 1. INTRODUCTION\n## 1.1 General\n## 1.2 Project and report objectives\n## 1.3 Report background\n## 1.4 Report outline\n# 2. BASIS OF DESIGN\n## 2.1 Design Life\n## 2.2 Design event\n## 2.3 Site\n## 2.4 Design inputs\n# 3. COASTAL PROTECTION DESIGN\n## 3.1 Overview\n## 3.2 Structure details\n## 3.3 Drainage\n## 3.4 Borrow areas\n## 3.5 Boat ramp\n# 4. PROJECT IMPLEMENTATION\n## 4.1 General\n## 4.2 Project governance and oversight\n## 4.3 Procurement strategy\n## 4.4 Contract delivery\n## 4.5 Construction Environmental and Social Management Plan (C-ESMP)\n# 5. SUMMARY AND RECOMMENDATIONS\n## 5.1 Summary\n## 5.2 Recommendations\n# 6. REFERENCES\n## Appendix A: Nanumaga Coastal Protection IFC Drawings\n## Appendix B: Nanumaga Coastal Protection Bill of Quantities\n## Appendix C: TCAP Safety in Design Assessment","[{\"question\":\"What is the purpose of the Nanumaga detailed design report?\",\"answer\":\"It provides the detailed design basis and coastal protection design for the Tuvalu Coastal Adaptation Project, and specifies how the project will be implemented, including governance and environmental/social management planning.\"},{\"question\":\"What design life assumptions are used for the berm top barrier structure?\",\"answer\":\"The report adopts an overall design life for the berm top barrier based on improvements in geosynthetics, referencing design lives reported to exceed 40 years.\"},{\"question\":\"What topics are covered under the coastal protection design section?\",\"answer\":\"The section includes an overview, structure details, drainage, borrow areas, and the boat ramp, along with supporting design inputs.\"}]","Nanumaga Detailed Design Report - Report No. P19012_DetailedDesign_NGA_R1 - Draft | PDF",129]