Transmission & Operations Surveys
Tennessee Valley AuthorityTennessee Valley AuthorityThe History of Surveying at TVA
The Kentucky Association of Professional Surveyors
45th Annual Conference & Exhibition
Dallas Sluss
Transmission & Operations Surveys
KAPSKAPS
• TVA Surveying organization
• General History and metrics about TVA
• TVA Surveying History
• 1940s video
• Barry will discuss Surveying – Mapping – Legal Descriptions
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• Federal Corporation– Created by Congress on May 18, 1933– Seven State Region (Alabama, Georgia, Kentucky,
Mississippi, North Carolina, Virginia)
– Major Offices in Knoxville, Chattanooga & Nashville, TN & Muscle Shoals, AL
General History
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• Nation’s Largest Wholesale Power Producer– Generating capacity of 31,500 megawatts
– Serves 8.3 million people over 80,000 sq. miles through 158 power distributors
– Power Facilities• 3 nuclear plants• 11 coal fired plants• 29 hydroelectric dams• 6 Combined Cycle (gas)• 9 Combustion Turbines (gas)• 1 pumped storage• 17,000 miles of transmission lines
General History
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• Steward of Tennessee River– Integrated Resource Management
• Land
– 480,000 acres of recreation lakes
– 47+ Reservations & Reservoirs
• Water
– 5th Largest US river system
– 11,000 miles of public shoreline
– 650 navigable miles
» 9 dams from Paducah, KY to Knoxville, TN
» 20 dams for flood control
General History
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• Environment
– Soil Conservation
– Fertilization
– Fish & Wildlife Habitats
– Mosquito control (aka Vector control)
– Water Quality
General History
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• Planimetric & Topographic– 7 1/2’ Quadrangle
• Cooperative arrangement with USGS
• 896± Quad sheets
– Photogrammetry• Techniques created and mastered by TVA & USGS
• Aerial Photography archive
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TVA Surveying History
TVA Surveying History
Aerial Photograph
Finished Quad Map
Transmission & Operations Surveys
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Planimetric & Topographic
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• Planimetric & Topographic– War Services (WW II)
• 500,000 sq. miles of foreign soil mapped
• 60,000 tons of elemental phosphorus used for incendiaries, smoke screens, etc. (3/5 produced)
• Cherokee Dam built in 16 months
• Peak employeement of 42,000
• Douglas Dam built in 12 months 17 days
• Major power supplier of Oak Ridge National Laboratory
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• Control– Horizontal
– Vertical
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Control Surveying
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Control Surveying
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Control Surveying
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Control Surveying
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Control Surveying
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Control Surveying
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• Reservoir / Reservation– Hydrographic
• Navigation
• Stream Gages
– Relocations• Road
• Utility
• Cemetery
Transmission & Operations Surveys
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Hydro-graphic
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Road Relocations– Relocations
• Road
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Cemetery Relocations
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• Reservoir / Reservation– Cadastral
• Preliminary Land Ownership (PLO)
• Land Acquisition
– Fee
– Easement
• C - Stage
• Land Sale
• D - Stage
Transmission & Operations Surveys
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Cadastral Plane Table Mapping
Transmission & Operations Surveys
TVA Surveying HistoryTVA Surveying History
Cadastral Plane Table Mapping
Transmission & Operations Surveys
TVA Surveying HistoryTVA Surveying History
Cadastral Plane Table Mapping
Transmission & Operations Surveys
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Cadastral Field Book
Transmission & Operations Surveys
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Cadastral Computation Sheet
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Cadastral Solar Observation
Transmission & Operations Surveys
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Reservation MapsLand Acquisition
C-StageLand SaleD-StageLand SaleSub-stationTrans-mission
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• Equipment– Total Stations
– GPS Receivers
– Electronic Levels
– Scanner
Modern Surveying
Transmission & Operations Surveys
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• Survey Types– Control
– Topographic
– Engineering
– Cadastral• Land Sale
• Boundary Marking
• Land Acquisition
– Industrial Metrology
Modern Surveying
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Modern Surveying
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Modern Surveying
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• TVA Web Site– www.tva.gov
• Map Store– 1-800-MAPS-TVA or www.tva.gov/mapstore
• Survey Control– Sheree Vincent 423-751-7644 or
[email protected]• General Surveying
– Dallas Sluss 423-751-2255 or [email protected]– Barry Savage 423-751-2880 or [email protected]
Contacts