1. Arizona Height Modernization Program - AZHMP
Dave Minkel
NGS Geodetic Advisor to Arizona
Geospatial Professional, APLS

2. Presentation Outline Why Did We Pursue a Height Mod Grant?
Problems with the Network
Additional Benefits Expected
How Did We Get an HM Grant?
Activities
Documents
What Do We Plan to Do Under AZHMP?
Long-term Plan
Near-term Plan
Long-term Plan for AZHMP

3. Why Did AZ Pursue a Height Mod Grant?
Vertical Control Network Issues
Dated
Latest “Campaign” Leveling in 1992
Not All Marks are NAVD 88

5. Why Did AZ Pursue a Height Mod Grant?
Vertical Control Network Issues
Dated
Latest “Campaign” Leveling in 1992
Not All Marks are NAVD 88
Subsidence

7. 1967 - 1980; Elevation Change DU01050 -2.302 ft DU01051 -2.282 ft
0.73 miles
2006 – Elevation Change (error) could be double, i.e ft & ft, from published 1980 elevation (last year of leveling)

8. Why Did AZ Pursue a Height Mod Grant?
Vertical Control Network Issues
Dated
Latest “Campaign” Leveling in 1992
Not All Marks are NAVD 88
Subsidence
Sparse Where We Need It
Development = Bulldozers = Lost Marks
Additional Benefits
Tie the PLSS to the Network
GDACS Project

10. How Did AZ Get a HM Grant? Activities HM Forum in 2004
Congressional Delegation Briefings
AZ State Cartographer & Private Sector Representatives
Local and D.C. Offices Visited
Consider Congressional Schedule
Documents
AZHMP 3-Ring Binder
Discuss APPLICATIONS & BENEFITS to the Public, not what you’re going to do!
AZHMP 1-Pagers (Leave Behinds)
10-Year Plan
AZHMP Web Site

11. What Do We Plan to Do Under AZHMP?
Long-term (10-Year) Plan
Arizona Spatial Reference Center
AZCORS (CORS/COBS)
GPS Statewide Network (≈ 3800 stations)
Uses GDACS Model (i.e. near PLSS Corners)
Leveling
Analysis of Network
Support/Research

12. AZHMP 10-Year Plan

13. What Do We Plan to Do Under AZHMP?
Long-term (10-Year) Plan
Arizona Spatial Reference Center
AZCORS (CORS/COBS)
GPS Statewide Network (3800 stations)
Leveling
Analysis of Network
Support/Research
Near-term Plan (FY06 Funding)
Establish AZCORS

15. Long-term Plan for AZHMP
Build Partnerships with Federal, State and Local Agencies
Utilize Partner Resources to Implement AZHMP and Gain Additional Program Support
Seek Additional Funding Sources
FEMA Grant(s)
Demonstrate and Document Public Benefits of AZHMP
Migrate AZHMP from Grant-based Funding to State Programmatic Funding

16. Do You Need a HM Grant to Move Forward?
Gila County
Approximately 122 Stations set
FEMA partnership on Tonto Basin saved ~ $265K – 30 sq. mi.
28% savings on aerial mapping costs
Cochise County
Approximately 138 Stations Set
Requiring ties to network for County GIS
38 Stations in Last Survey
2 Companies Turned Down