PA Height Modernization

L. Bradley Foltz, P.L.S., C.P.

Chief - Photogrammetry & Surveys Section

PennDOT

Bureau of Design

Design Services Division

Pennsylvania

• PA FBN / CBN completed in 2000– 130 stations

• FBN / CBN ties to adjacent states completed in 2003

Continuously Operating Reference Stations

• B / First-Order Monumentation

• Right-of-Way Monumentation

• Topographic Survey Control

• Construction Control

• G.I.S. Base Mapping

• Airborne GPS

• Less people / time = saves your TAX $$$

PennDOT Operated - CORS

Seven (7) operating sites:

WIL1 = Penn State - Wilkes-Barre

PSU1 = Penn State - Univ. Park

PIT1 = Penn State - New Kensington

PARL = Penn State - Warminster ARL

PAPT = University of Pittsburgh

UPTC = Univ. of Pitt. Titusville

YORK = PennDOT York County Maintenance Office

Other PA - CORS

Four (4) other PA operating sites:

HRN1 = USCG - Philipsburg

LYCO = Lycoming Co. - Williamsport

CHES = Chester Co. - West Chester

GTS1 = GTS Tech. - Harrisburg

Pennsylvania - Current CORS Coverage

www.penndotpams.org

www.penndotpams.org

• From 1968 to present• Aerial Photography +700,000 exposures• Projects +10,000• Horizontal Survey Control +1,000• Vertical Control +2,000

Why - Height Modernization

• Standardized• Legally Established• Greater Accuracy• Replace Destroyed Monuments• Possible $1 Million available for PA annually• Reduce Field survey Costs: Highway/Bridge,

other State Agencies, External Customers

Height Modernization

• Applications for Heights– Floodplain Mapping– Regional & Urban Planning– Erosion Mapping– Transportation Mapping

• Accessibility, Reliability

Height Modernization

Questions ???