A Brief History of Headland Breakwaters for Shore Protection ... - fsbpa

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Unidirectional Wind/Wave SettingSiteCoastTypeAverageFetch(km)LongestFetch(km)L B(m)G B(m)M b(m)B M(m)L B :G BM b :G B1. DrummondFieldEmbayed 6 to SW 12 to S 27.4 54.9 22.9 9.1 1:2.0 1:2.410. Asbury Embayed 6 to NW 13 to NW 33.5 57.9 36.6 21.3 1:1.8 1:1.75. St. Catherine’sIslandHeadland 7 to NW 15 to W 30.5 29.0 21.3 21.3 1:1* 1:1.4*2. Aquia Landing Headland 7 to E 9 to NE 33.5 48.8 19.8 18.3 1:1.5 1:2.514. Luter Straight 13 to NNE 23 to NNW 29.0 48.8 30.5 15.2 1:1.7 1:1.69. Yorktown Straight 18 to NE 43 to E 49.0 91.4 51.8 15.2 1:1.8 1:1.8AVERAGE: 1:1.8 1:1.9LB = Breakwater LengthGB = Breakwater GapMb = Minimum Bay IndentationFrom Hardawayand Gunn, 2000
The New Millenia• Pax River NAS- Fuel Pier: 2001: Design elementsinclude protecting jet fuel facility, acquire beach sandfrom banks and protect archaeology without bankgrading.• West Bank/Fort Boykin- 2002: Create uniquebreakwater system with large bays and minimal bankgrading.• Pax River NAS- Gate 4: 2004: Design for future site ofBase Officers Club to soften the hard edge andprovide a protective recreational beach.
Page 1 and 2: Brief History ofHeadlandBreakwaters
Page 3: Early on• 1979: Hardaway attends
Page 6 and 7: Summerille/StaplesMarch 8, 1988 Apr
Page 8 and 9: Offsets and differential erosion of
Page 10 and 11: Drummond -Installed November 1985Ae
Page 12: Drummond Field under construction:
Page 15 and 16: Drummond Field: April 7, 2010
Page 18 and 19: Aqua-Po: October 2009
Page 20 and 21: Claiborne Landing: 2010
Page 22 and 23: Elm’s Beach: September 2000Instal
Page 24 and 25: Elms Beach: October 20, 2009
Page 26 and 27: Carden: January 2006Installed Decem
Page 28 and 29: The 1990s• Yorktown: First three
Page 31 and 32: Yorktown: 2010
Page 33 and 34: Asbury: March 2007
Page 35: Asbury: 2008
Page 38 and 39: Kingsmill, pre-construction: 1996
Page 40: James River SitesWest Bank/Boykin:
Page 43 and 44: VanDyke: 2007
Page 45 and 46: Luter: January 2010
Page 47 and 48: Elevation (feet)Elev ation (feet)30
Page 49: Bidirectional Wind/Wave SettingSite
Page 53 and 54: Pax River, NAS: January 11, 2003
Page 55 and 56: Fuel Pier
Page 57 and 58: Fort Boykin with West Bank seen in
Page 59 and 60: Pax River Gate 4: 2007
Page 61 and 62: Lately• Davis - 2005: located nea
Page 63 and 64: Davis: 2010
Page 65 and 66: Clarke: 2008, under construction
Page 67 and 68: Clarke :2010
Page 69: Headland Breakwater Systems in Ches
Page 72 and 73: VIMS West: 2010
Page 74: Questions?For Mr. HardawayYorktown,

A Brief History of Headland Breakwaters for Shore Protection ... - fsbpa

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