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This is my final project in Intro to GIS. I am playing the role of an Anlayst for FPL. The presentation covers concerns of the public in regards to the Bobwhite Manatee Transmission Line near Tampa.
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Bobwhite – Manatee Transmission Line Project
David Renna04/27/2010
UWF GIS4043/L
Background InformationMy name is David Renna. I am a GIS Analyst hired by Florida Power
& Light Company to analyze a proposed new transmission line.The Bobwhite – Manatee Transmission line is to cover a corridor
just to the Southeast of Tampa/St. Petersburg area.This project began back in the Spring 2006 and is set for
completion in late 2011.Letters were sent out in November 2006 to provide needed
information to customers who were going to be affected by the construction of the new transmission line. These letters were also to find out some of the concerns of property owners affected by project.
I have included a timeline of the project in order to let you get familiar Florida Power & Light’s plans.
This is analysis directly related to concerns of clients to which letters were sent out.
Project Timeline
Proposed Bobwhite –Manatee Project Study Area
•13 sites considered.•Transmission line route crossing Manatee and Sarasota county lines•Energy source located in Manatee County.•Line runs south approximately 25 miles(52 miles total).•End in Sarasota county at new proposed substation.•Public Concerns Analysis over two year period from Spring 2006 – 2008.
Critical Public Concerns Addressed1. Conservation Areas Preserved2. Wetlands Preserved3. Homes affected during construction4. Number of county parcels affected during
project5. Schools and Daycare within corridor6. Construction Cost kept to minimum
Conservation Areas
•Nine Conservation Areas within study area•Only three conservation areas affected1. Lake Manatee Lower
Watershed (5796 Acres).2. Lake Manatee State Park
(549 Acres).3. Heritage Ranch
Conservation Easement (1972 Acres)
• Lines do not cross over Conservation areas.
• Run tangent along conservation area boundaries.
• Very little affect on proposed project
Wetlands Affected
137719.8587%
19053.9
412%
1185.91661%
398.140%
Total AreaToal WetlandsTotal DrylandsAffected Wetlands
• 3403 total wetland areas•Total Area: 137719.85 Acres•Wetland Acres: 19053.94 12%•Dryland Acres: 118665.91 88%•Affected Wetlands Acres: 398.14 <1%
Individual Homes Affected
•Approximately 70 total homes affected.•23 inside transmission line corridor.•47 within 400 ft buffer of corridor.•Most of area used for farm land.
County Parcels Affected Manatee/Sarasota Counties•12360 total parcels within study area•255 Total parcels affected.•202 parcels in Manatee County•53 parcels in Sarasota County•33 parcels contained within 400 ft buffer zone.•222 parcels affected by intersection by transmission line•.02 % of total parcels affected
Schools and Daycares Manatee/Sarasota Counties•No schools or daycares within 400 ft. of transmission line.•1 school within half mile (Robert Wells Elementary: Manatee County)•2 Daycares within half mile 1. Sprouts Child
Development Center2. Children of Faith Child
Development Center• All schools and daycare
within half mile of line are located in SW region of study area.
Soil CharacteristicsBobwhite – Manatee Line
•FS = Fine Sand•LFS = Light Fine Sand•MK-FS = Muck/Fine Sand•Muck= Muck
•Notice yellow shades in NW and SE Region of study area.•Yellow regions show areas of soil composition not suitable for construction (Muck)
Cost AnalysisTransmission line length = approximately 52
milesCost of installing a Single Circuit Tubular
Steel Pole 230KW transmission line = approx. $57 million
Cost of tying line into grid at each end of transmission = $2.3 million
Total Estimated Cost (TEC)= $62 million
Conclusion: Bobwhite-Manatee Transmission ProjectOverall concerns have been addressed. Proposed
site seems to fit all criteria.Conservation areas and wetlands are not
affected.Number of homes affected is lowNumber of property parcels affected is very low
percentage of total parcelsNo schools or daycares are affectedConstruction cost are reasonableObjectives complete: Transmission of power to
Sarasota County
Source ListESRIRepository Database / UWF GISFlorida Geographic Data Library (FGDL)The National Map Seamless Server DownloadUSGS DatabaseManatee County Public DatabaseSarasota County Public DatabaseAll maps Produced by David Renna in
ArcMap