Contra Costa County Orthophoto Project Coordinated Partnership of CCC, CC Clean Water Program, Iron...
9
Contra Costa County Orthophoto Contra Costa County Orthophoto Project Project Coordinated Partnership of CCC, CC Clean Coordinated Partnership of CCC, CC Clean Water Program, Iron House and Central CC Water Program, Iron House and Central CC Sanitation District Sanitation District Presented by: Lis Klute and Bill Zeman Contra Costa County Public Works Department
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Transcript of Contra Costa County Orthophoto Project Coordinated Partnership of CCC, CC Clean Water Program, Iron...
Contra Costa County Orthophoto ProjectContra Costa County Orthophoto ProjectCoordinated Partnership of CCC, CC Clean Water Coordinated Partnership of CCC, CC Clean Water Program, Iron House and Central CC Sanitation Program, Iron House and Central CC Sanitation
DistrictDistrict
Presented by:
Lis Klute and Bill ZemanContra Costa County Public
Works DepartmentHJW GeoSpatial, Inc.
Slide 2
Topics:
Why Ortho Photos
Return On Investment
Contra Costa Project
Lessons Learned
Summary
Slide 3
Why Capture Ortho Photos?
Capture Data to Support Your GIS needs:
Drainage Inventory
Watershed Modeling & Analysis
Environmental & Resource Studies
Capital Improvements Inventories
Emergency Services
Facilities Management
Slide 4
Return On InvestmentImprove Quality / Quantity of Information Provide framework to develop foundation GIS layers and a
spatial reference
Increase Efficiency & Public Service Perform Inventories, modeling, area analysis, and planning
Leverage Data Investments Multiple uses of orthophoto base map, less cost for return
flights
Promote Community Through Internet Access
Orthos easily available via the internet and VERY popular
Slide 5
Form Partnerships
Define the project priority areas
Define Technical Specifications
Define Funding Plan
Identify Project Schedule
Select Vendor via RFP Process
Define Scope of Work
Clarify any open issues and expectations
Project Initiation
Slide 6
ProjectMethodology
1. Project Initiation Meeting
2. Aerial Photography & GPS
3. Aerotriangulation
4. Digital Mapping
5. Digital Orthophotography
6. Delivery & Support
Slide 7
Delivery, Support & Updates Deliverables
Digital Orthophotos
Tiff and MR SID Compression
Centerlines & Contours
Multiple Formats Ongoing support
How to Use Imagery
Fulfillment
Web Serving Updates
Will Set Up Program
Fly “Changed” Areas
Update as Needed
Slide 8
Lessons Learned and Other Advise Work with Vendor to identify issues that may arise related to Expectations up front Keep Project Partners Up to Date Weekly Try to set a realistic schedule and understand this may shift due to weather or other technical Issues Budget to QA/QC extensively when providing varied formats Work out Delivery Costs Up Front Define How Data Orders will be Fulfilled and Who will Fill Them Use the Internet and FTP if Possible Give the Data Away if at all Possible, but make it a group decision – Contra Costa is selling the data
to cover the cost of re-flying.
Slide 9
For More InformationFor More Information
Lis KluteLis KluteGIS Coordinator – Contra Costa County – Public Works
DepartmentTel: 925.313.2174E-mail: [email protected]
Bill ZemanBill Zeman Manager - Consulting and Development ServicesTel: 510.638.6122E-mail: [email protected]
County WEB GIS Viewer ApplicationCounty WEB GIS Viewer Applicationhttp://contra-costa.gatekeeper.comhttp://contra-costa.gatekeeper.com
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