Breakwater details


15 Sri Lanka - Colombo      (Lat: 6.945 Lon: 79.84 - click for map)
New south breakwater

Rubble mound
Major western port extension

Main breakwater data:  
Length (m) 3500   owner Sri Lanka Ports
Waterdepth (m) 20   contractor Hyunday
Construction time (years) 0   consultant Scott Wilson
Start date (year) 2008   Hydraulic Laboratory
Completion date (year) 0   comments No rear slope, landfill
Construction costs($106) 400  
Design criteria  
Hs (m) 5.8  
Tz/Tp (s) 0/13  
slope/crest info
front slope 1:1.33 8.5 m3 Core-Loc
rear slope 1:0 0
crestheight (m) 14  
crest/caisson width (m) 0  
wallheight (m) 0  
no picture available
click on picture for enlargement
no drawing available

Reference documents:
Breakwaters and closure dams - Verhagen, H.J., Angremond K., Roode F. CLI website

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.