Enayam Port
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Tamil Research Institute<br />
RAPID TECHNO-ECONOMIC FEASIBILITY REPORT FOR<br />
DEVELOPMENT OF COLACHEL PORT AT TAMILNADU<br />
FINAL REPORT<br />
7.1.3. Reanalysis databases ............................................................................................ 100<br />
7.1.4. Wind climate ...................................................................................................... 101<br />
7.1.5. Sea level ............................................................................................................ 103<br />
7.1.6. Wave climate ..................................................................................................... 104<br />
7.2. BATHIMETRIC DATA ......................................................................................................... 111<br />
7.3. TOPOGRAPHIC DATA....................................................................................................... 111<br />
7.4. GEOLOGY AND GEOTECHNICS ...................................................................................... 112<br />
7.4.1. Introduction ......................................................................................................... 112<br />
7.4.2. Description of the regional geology ......................................................................... 112<br />
7.4.3. Description of the site ............................................................................................ 114<br />
7.4.4. Seismic hazard .................................................................................................... 114<br />
7.4.5. Estimated subsoil profile ........................................................................................ 115<br />
7.4.6. Geotechnical risks ................................................................................................ 116<br />
7.5. LAND AVAILABILITY ........................................................................................................... 116<br />
7.6. TRANSPORT LINKAGES ..................................................................................................... 119<br />
7.6.1. Road links ........................................................................................................... 119<br />
7.6.2. Rail links ............................................................................................................. 120<br />
8. DESIGN CRITERIA ........................................................................................................... 121<br />
8.1. TRAFFIC AND PHASING ................................................................................................... 121<br />
8.2. TECHNICAL CRITERIA ....................................................................................................... 122<br />
8.2.1. Design Vessel ...................................................................................................... 122<br />
8.2.2. Wave heights ..................................................................................................... 122<br />
8.2.3. Sea level ............................................................................................................ 126<br />
8.2.4. Operability ......................................................................................................... 127<br />
9. DETAILED PORT CONFIGURATION..................................................................................... 128<br />
9.1. GENERAL ....................................................................................................................... 128<br />
9.2. BREAKWATERS ................................................................................................................ 129<br />
9.2.1. Introduction ......................................................................................................... 129<br />
9.2.2. Rubble-Mound Breakwaters .................................................................................... 130<br />
9.2.3. Vertical breakwater .............................................................................................. 133<br />
9.3. HARBOUR SHORT WAVE AGITATION ................................................................................ 136<br />
9.3.1. Introduction ......................................................................................................... 136<br />
9.3.2. Methodology ...................................................................................................... 136<br />
9.3.3. Selection of cases ................................................................................................ 137<br />
9.3.4. Areas of study ..................................................................................................... 137<br />
9.3.5. Downtime ........................................................................................................... 137<br />
9.4. NAVIGATION REQUIREMENTS .......................................................................................... 141<br />
9.4.1. Vertical requirements ............................................................................................. 141<br />
9.4.2. Horizontal requirements ......................................................................................... 142<br />
9.4.3. Aids to navigation ................................................................................................ 144<br />
iii<br />
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