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 City of Solana Beach
Section 2
Shoreline and Coastal Bluff Management Strategies Draft MEIR
Project Description
Association of Governments (SANDAG) Beach Replenishment Project that was completed in
the summer of 2001 and entailed placing 140,000 cubic yards of sand onto the beach at
Fletcher Cove. This alternative is based on the estimate used in the SANDAG project and
involves replenishing the Solana Beach sand supply with an amount of 140,000 cubic yards of
sand per year. Processes may include dredging sand from offshore deposits and pumping the
sand onshore, and importation of sand from other sources such as inland sources and then
trucking the sand to the beach.
In addition, this alternative includes the possibility of developing sand retention structures that
could include the construction of jetties, groins, artificial headlands, reefs, and other structures
to keep sand resources in place. Figure 2-8 represents a conceptual example of sand retention
structures.
Sand Replenishment
Sand replenishment is a "soft" protection device, which primarily utilizes dune or beach
restoration or enhancement to prevent storm waves from reaching the backshore. Sand
replenishment is contrasted with "hard" protection devices such as concrete and rock used in a
variety of configurations to absorb or dissipate storm wave energy. Beaches can be restored or
nourished to increase their width by depositing sand up coast, directly on beaches, or in the
nearshore waters offshore of beaches. Benefits to sand replenishment and beach nourishment
include the economic and aesthetic values of a wide recreation beach, the restoration of sandy
beach habitats, and increased public safety and access (The Resources Agency of California
2001).
Beach replenishment at Solana Beach could consist of the placement of dredged sediment
along approximately 1,800 feet (0.3 mile) of the beach starting just south of Fletcher Cove and
extending southward as was done by SANDAG in 2001. Under this scenario, berm would be
constructed at this location to an elevation of approximately 12 feet above MLLW. The berm
would be flat and extend seaward approximately 100 feet. The beach would then slope
seaward approximately 135 feet at a slope of 10:1. Sand would be dredged from a borrow site
located offshore from Solana Beach and placed onshore as described above. Construction
could take place seven days a week, 24 hours a day or could be restricted on construction times
and days consistent with the City's local noise ordinance (SANDAG 2000b).
Sand Retention Structures
Sand retention structures such as offshore breakwaters, artificial sand retention reefs, and groin
fields are discussed below. A comprehensive program for sand replenishment and retention
would use a combination of replenishment and the construction of one category of offshore
structures described below.
Project No. 323530000
Page 2-24
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