Breakwater details


121 Madagascar - Ehoala, Fort Dauphin      (Lat: -25.0671 Lon: 46.9661 - click for map)

Berm breakwater

Main breakwater data:  
Length (m) 600   owner
Waterdepth (m) 15   contractor Daiho
Construction time (years) 3   consultant Baird
Start date (year) 2006   Hydraulic Laboratory HR Wallingford - CHC
Completion date (year) 2009   comments Total project costs are mentioned
Construction costs($106) 145  
Design criteria  
Hs (m) 8  
Tz/Tp (s) 0/16  
slope/crest info
front slope 1:1.5 16 m3 Core-Loc
rear slope 1:1.33 0
crestheight (m) 22.5  
crest/caisson width (m) 11.5  
wallheight (m) 0  
no picture available
click on picture for enlargement
no drawing available

Reference documents:
Daiho website MacNabb J.B., Anglin C.D., Design and Construction of a Port in Southeast Madagascar

This is a database prepared by HR Wallingford and TU Delft with the assistance of the international breakwater community and has been made freely available for the benefit of breakwater designers, contractors owners and developers worldwide. The database is subject to regular updating as information becomes available, however the development and maintenance of this database relies primarily on information supplied or published by third parties and no responsibility can be taken for the accuracy of data supplied.