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Overview of Wisconsin's Height Modernization Program: Restoring Geodetic Control Stations

The Wisconsin Height Modernization Program aims to restore and enhance geodetic control throughout the state. Established in response to the significant loss of original geodetic control stations by the late 1980s, the program has seen the construction of approximately 8,000 control stations, with an investment exceeding $20 million since 1998. This geodetic network is crucial for accurate positioning and surveying, supporting infrastructure and engineering projects statewide. Learn about the efforts to maintain and protect these vital monuments.

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Overview of Wisconsin's Height Modernization Program: Restoring Geodetic Control Stations

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  1. WISCONSIN HEIGHT MODERNIZATION PROGRAM GEODETIC SURVEYS UNIT JACOB J. ROCKWEILER, P.E. BUREAU OF TECHNICAL SERVICES Jacob.Rockweiler@dot.wi.gov 608-243-5992 2014 NCR CONSTRUCTION CONFERENCE

  2. BRIEF HISTORY OF THE HEIGHT MODERNIZATION PROGRAM • 50% OF ALL WISCONSIN’S ORIGINAL GEODETIC CONTROL STATIONS WERE DESTROYED BY THE LATE 1980’S • WISDOT WAS THE RECIPIENT OF A FEDERAL GRANT TO RESTORE GEODETIC CONTROL • ABOUT 8,000 GEODETIC SURVEY CONTROL STATIONS HAVE BEEN CONSTRUCTED THROUGHOUT THE STATE • OVER $20 MILLION INVESTED IN THE HEIGHT MODERNIZATION PROGRAM SINCE 1998 • GEODETIC SURVEY CONTROL NETWORK = INFRASTRUCTURE 2014 NCR CONSTRUCTION CONFERENCE 2

  3. GEODETIC SURVEY CONTROL NETWORK (NCR) 2014 NCR CONSTRUCTION CONFERENCE 3

  4. BACKBONE FOR WISCORS 2014 NCR CONSTRUCTION CONFERENCE 4

  5. GEODETIC SURVEY CONTROL STATION $8,000 UP TO $25,000 CIVIL 3D SYMBOL 5 2014 NCR CONSTRUCTION CONFERENCE

  6. GEODETIC SURVEY CONTROL NETWORK BENCHMARK CENTIMETER-LEVEL VERTICAL POSITION $8,000 REPLACEMENT COST 6 2014 NCR CONSTRUCTION CONFERENCE

  7. GEODETIC SURVEY CONTROL NETWORK GPS STATION CENTIMETER-LEVEL VERTICAL & HORIZONTAL POSITION UP TO $25,000 REPLACEMENT COST 7 2014 NCR CONSTRUCTION CONFERENCE

  8. GEODETIC SURVEY CONTROL STATION MAPPING SYMBOL CIVIL 3D SYMBOL 8 2014 NCR CONSTRUCTION CONFERENCE

  9. FDM & CMM UPDATES UPDATED FDM 9-5-1.4 – ADDED GEODETIC CONTROL STATION REPLACEMENT PROCEDURE PUBLISHED BY ~ MID MARCH 2014 UPDATED CMM 7-85.2.1 – UPDATED GEODETIC CONTROL STATION REPLACEMENT PROCEDURE PUBLISHED BY ~ APRIL/MAY 2014 9 2014 NCR CONSTRUCTION CONFERENCE

  10. EXAMPLES OF WHAT WE DON’T LIKE TO SEE DURING CONSTRUCTION DON’T ASSUME WE KNOW THAT A GEODETIC STATION IS ON YOUR PROJECT! 2014 NCR CONSTRUCTION CONFERENCE 10

  11. EXAMPLE OF WORKING TOGETHER TO SAVE GEODETIC CONTROL MONUMENTS • WISDOT 2014 SWR CONSTRUCTION PROJECT TO DESTROY MULTIPLE GEODETIC CONTROL MONUMENTS • ORANGE SNOW FENCE AROUND MONUMENT SHOULD PROTECT MONUMENT THRU DURATION OF CONSTRUCTION • TRANSFERRED FUNDS FOR BENCHMARK THAT WILL BE DESTROYED • WE WORKED WITH • PROJECT MANAGER AND CONSTRUCTION ENGINEER TO GRADE AROUND AND SAVE A $25,000 MONUMENT 2014 NCR CONSTRUCTION CONFERENCE 11

  12. HELP US MAINTAIN OUR GEODETIC INFRASTRUCTURE!! $8,000 UP TO $25,000 • GEODETIC SURVEYS UNIT • 866-568-2852 • geodetic@dot.wi.gov 12

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