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2013-109
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Last modified
12/1/2015 2:19:13 PM
Creation date
10/1/2015 5:20:29 AM
Metadata
Fields
Template:
Official Documents
Official Document Type
Work Order
Approved Date
06/18/2013
Control Number
2013-109
Agenda Item Number
8.K.
Entity Name
Coastal Planning & Engineering
Subject
Sector 3 Dune Restoration Repair Project Design and Permitting services
Work Order No.2
Post Hurricane Sandy
Area
Sector 3 Beach
Supplemental fields
SmeadsoftID
11956
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Offshore borrow areas previously identified and permitted by the County will be reviewed to determine the volume of <br /> beach compatible sand and determine their cost effectiveness. The data used to develop the borrow area will be <br /> reviewed, including the bathymetric, seismic, side scan sonar, and magnetometer survey data, vibracore logs, cultural <br /> resource report and any environmental resource surveys conducted in the vicinity of the borrow area. We intend to <br /> use the same outline and depths as previously developed unless there is a specific permitting or construction reason <br /> that the borrow area must be revised. We will inform the County prior to making any changes. It is assumed that <br /> since there will be no changes from the previous permitted borrow area and that the permit has not expired as yet <br /> (with respect to the borrow area) that the previous survey information is sufficient and no additional field work <br /> is <br /> required. We will develop borrow area permit sketches based on this review. If additional field investigations are <br /> required in order to permit the borrow area, a separate work order will be proposed to the County. It is advised that <br /> an updated bathymetric survey be conducted prior to construction but this is not included in this scope of work. <br /> The fill volumes and sand borrow sources will be used to estimate construction costs and durations . The construction <br /> timeline will consider sea turtle nesting season and expected permit conditions. <br /> Deliverables <br /> CPE will provide the following deliverables : <br /> 1 . An electronic copy (MS Word and PDF formats) of the draft feasibility report for the County's review <br /> and comments. <br /> 2. Two (2) hard copies an electronic copy of the final feasibility report. <br /> Required Data <br /> CPE requests that the following information be provided by the County to be used in the design of the Sector 3 berm <br /> and dune repair project. <br /> 1 . Beach Profile Monitoring Surveys — The County has scheduled beach profile monitoring surveys to <br /> be <br /> completed in July 2013 . The intent is to use the survey as the basis of the design for the dune repair. <br /> 2. Dune and Berm Template — The dune and berm template constructed 2010-2012 will used to estimate the <br /> volume of material required to repair the project area to the pre-Hurricane Sandy condition. <br /> 3 . Upland Sand Source Information — Information regarding the sediment characteristics and mine production <br /> rates will be used to evaluate the equilibrium beach profile and the anticipated construction durations . <br /> 4. Offshore Borrow Area Data — The following data will be required to verify and resubmit the offshore borrow <br /> area: bathymetric, seismic, side scan sonar, and magnetometer survey data; vibracore logs; cultural resources <br /> report; CAD files associated with the borrow area outline; offshore resource surveys in the vicinity of the <br /> borrow area. <br /> Schedule <br /> Upon receipt of the requested information we will begin the design and evaluation of the potential options <br /> for <br /> repairing the Sector 3 project area. It is anticipated that 60 days will be required to complete the analysis and compose <br /> a feasibility report documenting the findings . At such time, a draft report will be provided to the County for <br /> its <br /> review and comments. Once the comments are returned to CPE, the final report addressing the comments will be <br /> submitted to the County within in 15 days. <br /> 2481 NW BOCA RATON BOULEVARD , BOCA RATON , FL 33431 p <br /> 561 . 391 . 8102 • FAX 561 . 391 . 9116 • COASTAL PLANNING & ENGINEERING , INC . , A CB & I COMPANY <br />
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