Breakwater details


179 USA - St. Georg, Alaska      (Lat: 56.537 Lon: -169.561 - click for map)

Berm breakwater

Main breakwater data:  
Length (m) 9   owner
Waterdepth (m) 0   contractor
Construction time (years) 0   consultant
Start date (year) 0   Hydraulic Laboratory DHI
Completion date (year) 1987   comments
Construction costs($106) 0  
Design criteria  
Hs (m) 6.4  
Tz/Tp (s) 0/18  
slope/crest info
front slope 1:1.5 9 ton Rock
rear slope 1:1.5 9 ton Rock
crestheight (m) 26  
crest/caisson width (m) 16.8  
wallheight (m) 0  
no picture available
click on picture for enlargement
no drawing available

Reference documents:
PIANC, [2003], State-of-the-art of designing and constructing berm breakwaters Juhl & Jensen, Features of berm breakwaters and practical experience, Copedec 1995

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.