Hurricane Irma: Palm Beach County Coastal Storm Damage Assessment

Transcription

1 Project Area: Coral Cove Park Location: R1 to R7.5 Project Length: 5,170 ft Estimated Volumetric Loss: 38,296 cy Pre-Storm Assessment Date: August 22, 2017 General observations: 30 ft loss of dry beach on average, with 2 to 12 ft vertical scarps at north end; greatest scarp between R3.5 and R5 Pre-storm (looking north from northern main access) Post-storm (looking north from northern main access) Pre-storm (looking south from northern main access) Post-storm (looking south from northern main access)

2 Project Area: Jupiter/Carlin Location: R13 to R19 Pre-storm (looking north at access #65, Civic Center) Project Length: 5,590 ft Estimated Volumetric Loss: 72,463 cy Pre-Storm Assessment Date: August 22, 2017 General observations: 30 ft loss of dry beach on average, with an average loss of 5 ft of berm elevation; 2-3 vertical scarp observed at the edge of Carlin Park dune (R18). Post-storm (looking north at access #65, Civic Center) Pre-storm (looking south at access #65, Civic Center) Post-storm (looking south at access #65, Civic Center)

3 Hurricane Irma: Palm Beach County Coastal Storm Damage Assessment Project Area: South Jupiter Location: R19 to R26 Project Length: 2,350 ft Estimated Volumetric Loss: 29,375 General observations: 30 ft loss of dry beach and 5 ft of dune on average, with an average loss of 5 ft of berm elevation; greatest loss occurred directly north of Jupiter Reef Club (R21), where a 8 to 10 ft vertical scarp was observed into the restored dune Pre-storm (looking north at access #52, Jupiter Reef Club) Post-storm (looking north at access #52, Jupiter Reef Club) Pre-storm (looking south at access #52, Jupiter Reef Club) Post-storm (looking south at access #52, Jupiter Reef Club)

4 Project Area: Juno Beach Location: R26 to R38 Project Length: 12,800 ft Estimated Volumetric Loss: 208,593 General observations: 30 ft loss of dry beach, with an average loss of 2 ft of berm elevation; loss was fairly consistent throughout Pre-storm (looking north at access #35, Radnor Park) Loggerhead Park) Post-storm (looking north at access #35, Radnor Park) Pre-storm (looking south at access #35, Radnor Park) Post-storm (looking south at access #35, Radnor Park)

5 Project Area: Singer Island Location: R60.9 to R67 Project Length: 6,930 ft Estimated Volumetric Loss: 110,303 Pre-storm (looking north from Cote D Azur Condominium) General observations: 47 ft loss of dry beach and 17.5 ft of dune on average, with an average loss of 1 ft of berm elevation; a vertical scarp was observed along the majority of the project area, with the greatest scarp (6-8 ft) occurring between R63 to R67). Post-storm (looking north from Cote D Azur Condominium) Pre-storm (looking south from Condado Condominium) Post-storm (looking south from Condado Condominium)

6 Project Area: S. Palm Beach Island Location: R to R ft Project Length: 3,500 ft Estimated Volumetric Loss: 24,630 Pre-storm (looking north from Lantana Municipal Beach) General observations: 20 ft loss of dry beach, with an average loss of 4 ft of berm elevation; loss was consistent throughout the project area, with the Mean High Water line now within 10 ft of the seawalls Post-storm (looking north from Lantana Municipal Beach) Pre-storm (looking south from Lantana Municipal Beach) Post-storm (looking south from Lantana Municipal Beach)

7 Project Area: Ocean Ridge Location: R153 to R159 Project Length: 5,880 ft Estimated Volumetric Loss: 74,044 General observations: 20 ft loss of dry beach, with an average loss of 2 ft of berm elevation; loss was consistent throughout the project area Pre-storm (looking north from Oceanfront Park) Post-storm (looking north from Oceanfront Park) Pre-storm (looking south from Oceanfront Park) Post-storm (looking south from Oceanfront Park)