Engineering Report Identifies Alternatives To Spraying Concrete on Bluffs But Doesn't Recommend Removing It Where It's Already Been Sprayed; Council To Discuss On |
(June 27, 2014) -- On July 1, the Long Beach City Council is scheduled to discuss a peer review report/engineering analysis on alternatives to spraying concrete ("shotcrete") on LB's bluffs to address erosion and seismic issues.
LBREPORT.com provides access to the report in full below. Long Beach CA staff report on bluff stabilization alternatives In an accompanying counter-point/opinion piece on LBREPORT.com (click here), the report is criticized by Gordana Kajer, the veteran Long Beach beach/shoreline protection advocate whose April public comment presentation to the City Council, displaying photos of the "shotcrete" work (admittedly uncompleted), led Councilmembers Suja Lowenthal and Gary DeLong (joined by Councilmembers O'Donnell, Schipske and Austin) to call a special April 29 Council meeting which produced a 7-0 vote (Andrews absent, Garcia leaving during Council item) to pause the work until receiving the peer review/engineering report. The July 1 city staff agendizing memo accompanying the report states: The peer-review committee has identified feasible geotechnical alternatives to shotcrete for areas that do not currently have the shotcrete treatment; however, these alternatives must be further evaluated and professionally designed by an experienced engineer and landscape architect. The committee does not recommend the removal of shotcrete to implement these biotechnical alternatives. As detailed on page 12 in the peer-review report, removal of shotcrete may impact the integrity of the soil nails, and would require extreme care and labor intensive effort. In addition, "the shotcrete was placed directly on the slope face; removal of the shotcrete will inevitably remove some of the soils on the slope face that adhere to the shotcrete, which will reduce stability of the slope." blog comments powered by Disqus
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