REPORT ON ARCHAEOLOGICAL ASSESSMENT OF PROPOSED FLOATING PONTOON INSTALLATION AT SPIKE ISLAND, CO. CORK Geomara Ltd Job Number: G13002 Licence Numbers: 12R147 & 12D39 Author: Eoghan Kieran Date: February 2013 TABLE OF CONTENTS 1 SCOPE OF WORKS ........................................................................................................................... 2 1.1 Introduction ............................................................................................................................ 2 1.2 Purpose of the Assessment...................................................................................................... 2 2 CHARACTERISTICS OF THE PROJECT ................................................................................................ 4 2.1 Proposed development ........................................................................................................... 4 3. DESCRIPTION OF THE EXISTING ENVIRONMENT ......................................................................... 7 3.1 Project Location ...................................................................................................................... 7 3.2 Solid Geology .......................................................................................................................... 7 3.3 Soil Type ................................................................................................................................. 7 4. ARCHAEOLOGICAL AND HISTORICAL BACKGROUND ................................................................... 7 4.1 Mesolithic ............................................................................................................................... 7 4.2 Neolithic ................................................................................................................................. 9 4.3 Bronze Age .............................................................................................................................. 9 4.4 Iron Age ................................................................................................................................ 10 4.5 Early Christian Period ............................................................................................................ 10 4.6 The Viking period .................................................................................................................. 11 4.7 Site Specific Background ........................................................................................................ 12 4.8 Lewis Topographical dictionary records the following for Spike Island: ................................... 14 5. BASELINE DATA ........................................................................................................................ 14 5.1 Record of Monuments and Places ......................................................................................... 14 5.2 Historic Maps ........................................................................................................................ 19 5.2.1 First Edition Ordnance Survey ........................................................................................ 19 5.3 Aerial Photography................................................................................................................ 21 5.4 Previous Archaeological Fieldwork......................................................................................... 22 5.5 Recorded Protected Structures .............................................................................................. 22 5.6 Shipwreck Inventory .............................................................................................................. 22 5.7 Ports and Harbour Archive .................................................................................................... 38 6. SITE SURVEY ............................................................................................................................. 38 6.1 Site Survey Methodology ....................................................................................................... 38 6.2 Site Survey Findings ............................................................................................................... 39 5. SUMMARY AND CONCLUSION .................................................................................................. 46 5.1 Summary............................................................................................................................... 46 5.2 Conclusion and Recommendation ......................................................................................... 46 APPENDIX 1. BIBLIOGRAPHY ................................................................................................................ 47 Geo-Mara Ltd. Cois Cuain, Ballynamanagh, Clarinbridge, Co. Galway, Ireland Tel: + 353 91 485790, Email:[email protected], Web: www.geo-mara.com TABLEOFFIGURES Figure 1. Extract from Discovery Series map showing site location in red ........................................... 3 Figure 2. Site Location .................................................................................................................... 4 Figure 3. Proposed Development .................................................................................................. 5 Figure 4. Close up of pontoon development ................................................................................... 6 Figure 5. Plan of Spike Island ........................................................................................................ 13 Figure 6. Extract from RMP CO:087 showing site location in red .................................................. 18 Figure 7. Extract from 1 st Edition Ordnance Survey ...................................................................... 19 Figure 8. Extract from 25 inch map of Spike Island ....................................................................... 20 Figure 9. Survey grid line ............................................................................................................. 39 TABLE OF PLATES Plate 1. Extract from drawing of Cork Harbour showing convicts causeway ..................... 21 Plate 2. Aerial image of Spike Island with site location in red .......................................... 22 Plate 3. Concrete jetty ............................................................................................... 41 Plate 4. Wavin hose travelling across foreshore ............................................................. 42 Plate 5. Wavin hose travelling across the stoney foreshore ............................................. 42 Plate 6. Metal brace on foreshore ................................................................................ 43 Plate 7. Metal chain on foreshore ................................................................................ 43 Plate 8. Parallel pipes on stoney seafloor ...................................................................... 44 Plate 9. Parallel pipes close to shore ............................................................................ 44 Plate 10. Single pipe on seafloor ................................................................................... 45 Plate 11. Second single pipe ......................................................................................... 45 Plate 12. Additional view of second single pipe ............................................................... 46 M13C03 Spike Island February 2013 Abbreviations CAD Computer Aided Design CRP Common Reference Point CVI Close Visual Inspection DGPS Differentially Corrected Global Positioning System DP Dynamic Positioning DXF Drawing Exchange Format EGNOS European Geostationary Navigation Overlay Service GIS Geographical Information System GPS Global Positioning System GVI General Visual Inspection HIRA Hazard Identification and Risk Assessment HSE Health Safety and Environment HW High Water IMCA International Maritime Contractors' Association IMO International Maritime Organisation ISO International Organisation of Standards kt Knot LAN Local Area Network LAT Lowest Astronomical Tide PC Personal Computer/Party Chief POW Plan of Work PVT Position Velocity Time QA Quality Assurance QC Quality Control QHSE Quality Health Safety and Environmental RC Route Clearance RFQ Request for Quotation RPL Route Position Listing RS232 Recommended Standard 232 RTG Real Time Gypsy SBAS Satellite Based Augmentation System SOLAS Safety of Life at Sea SOW Scope of Work SWL Safe Working Load TBA To be advised Geo-Mara Ltd. Cois Cuain, Ballynamanagh, Clarinbridge, Co. Galway, Ireland Tel: + 353 91 485790, Email:[email protected], Web: www.geo-mara.com M13C03 Spike Island February 2013 UTC Universal Time Coordinated UTM Universal Transverse Mercator WAAS Wide Area Augmentation System WD Water Depth WGS84 World Geodetic System 1984 Debris: Waste material, fishing gear, discarded items. Demobilisation: Removal of equipment, personnel and scrap from a Vessel Downtime: Period when equipment is not operational, either due to malfunction or for other operational issues. Mobilisation: All preparations before commencement of work including fit-out, production and approval of documentation, allocation of personnel and equipment, input of route data in computer, etc. Weather: Prevailing seastate, current(s), swell and/or wind conditions. Geo-Mara Ltd. Cois Cuain, Ballynamanagh, Clarinbridge, Co. Galway, Ireland Tel: + 353 91 485790,