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Wednesday, August 03, 2011

Broad Beach Homeowners Set to Form Geological Hazard Abatement District

• Plans Go Before the Coastal Commission that Call for Permanent Rock Revetment and Beach Nourishment


The Malibu City Council is poised to agree to setting a public hearing date to consider a petition for the formation of the Broad Beach Geological Hazard Abatement District, or GHAD, at its meeting next week.
The GHAD petition was submitted by Kenneth Ehrlich on behalf of the Trancas Property Owners Association.
The GHAD will provide a means of financing the beach nourishment and associated maintenance, according to city officials.
“The city department of public works has reviewed the proposed plan of control and has determined that public health, safety and welfare require the formation of a GHAD,” a staff report states.
The proposed action stems from the overall plans proposed for Broad Beach where experts have determined there has been a significant change in the width of the beach since 1946.
Broad Beach has experienced variable, but declining, beach width at a rate of about two feet per year, according to experts.
“Between 1974 and 2009, approximately 600,000 cubic yards of sand was lost at Broad Beach, a majority of which has moved east to nourish Zuma Beach. On average, the shoreline moved inland 65 feet,” a report from Moffatt and Nichol in April 2010 concluded.
“The sand rate turned negative in 1974 and the loss rate accelerated to approximately 35,000 cubic yards per year during the last five years Recent higher erosion rates during the 2009-2010 winter season necessitated that emergency precautions be taken to protect residential structures and onsite wastewater treatment systems located seaward of the residences.” The report went on to state.
Consequently, the TPOA obtained emergency permits for the installation of a rock revetment about five feet high and 25 feet wide, to protect the existing homes along the beach, city officials noted.
The property owners are now working on getting permits to allow a permanent buried rock revetment along with the periodic sand nourishment.
“Beach nourishment is a method used to stabilize or advance a shoreline against erosion and protect threatened upland areas and is often called the ‘soft solution’ because it retains the environmental, recreational and aesthetic aspects of the beach without the need to construct hard structures,” a municipal staff report states.
In order to form a GHAD, state law requires that the city council adopt a resolution initiating the formation of the GHAD, set the public hearing dates to consider the formation.
Then everyone waits to see if the owners from more than 50 percent of the assessed valuation of land in the proposed GHAD object, if so, then the city would be required to abandon the formation proceedings, according to the city officials.

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