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Geodetic Control Network and Aerial Photography Consultant RFP
The City of Dubuque, IA
is soliciting proposals from qualified professional firms for consulting services related to updating the City’s Geodetic Control Network and Aerial Photography. The acquisition of aerial photography and LiDAR data is anticipated for spring 2020.
The successful consultant will oversee both the updating of the control network and
procuring/managing the aerial photography project. The following steps are expected to
be a part of each project:
Geodetic Control Network Information
Pre-Survey Monument Reconnaissance;
Replacement of destroyed and/or damaged monuments;
Placement of new monumentation if needed;
Static GPS field observations and post-processing;
Geodetic Network Adjustment to NAD 83(2011) (aka NA 2011) horizontal datum;
GPS Survey Report in appropriate Iowa State Plane and Iowa Regional Coordinate
Aerial Photography Information
-Suggested flight criteria for 3” or 0.25-foot GSD pixels and LiDAR data collection;
-Development of Request for Proposals, publication, and vendor selection;
-QA/QC of deliverables;
National Standard for Spatial Data Accuracy (NSSDA) testing for horizontal and
-Visual review of tested digital ortho tiles;
Please see the attached document for additional details.
9/23/2019 9:00 AM
10/11/2019 2:00 PM
All questions and requests for clarification need to be submitted via email to Nikki
Rosemeyer, Dubuque’s GIS Coordinator/Analyst, at firstname.lastname@example.org.
8am to 5pm
See attached document
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