Surveying and Mapping
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| The District’s Surveying &
Mapping Division is comprised of approximately 40
employees and provides information and assistance to
the public and District personnel through the
following sections: |
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Survey
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This section utilizes advanced GPS technology and highly
accurate field survey methods to meet the ever growing
demands of the District in relation to design, construction,
boundary determination and photogrammetric mapping needs.
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Photogrammetry
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pho∙to∙gram∙me∙try \fōt-e-gram-e-trē: is the art, science,
and technology of obtaining reliable information about
physical objects and the environment through processes of
recording, measuring, and interpreting photographic images
and patterns of electromagnetic radiant energy and other
phenomena.
The photogrammetry section has a rich history in providing
aerial mapping to the District engineers beginning in 1957.
The section has gone through many types of instrumentation
from optical projection to mechanical projection to
analytical stereo plotters to the present platform of
Digital Photogrammetric Workstations. The section supplies
our design engineers with mapping consisting of
planimetrics, 0.25’ pixel size digital orthophoto, 1 foot
contour interval and the accompanying digital terrain model,
property overlay, and the underground utilities. Also
supplied are planning maps that consists of a 0.50’ pixel
size color orthophoto, a 4 foot contour interval and the
supporting digital terrain model.
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Right of Way Aquisition
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The Acquisition Section is responsible for purchasing any
necessary real property for District designed and
constructed flood control facilities. In addition, we review
and process all dedications required for subdivisions within
the District’s boundaries in Riverside County and provide
customer service for development that might affect existing
District facilities, such as sale of surplus land, leases,
utility and access easements.
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Right of Way Engineering
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The Right of Way Engineering section is responsible for the
preparation of Records of Surveys, Right of Way maps, Legal
Descriptions and Plats defining District parcels and
provides necessary documents for the sale of District
property and the acquisition of private property for the
construction of flood control projects. Maintains parcel
folders with historical information for all District parcels
and provides geo-referenced parcels and attributes to GIS
for intranet and internet use.
Related Links:
RCFC Guidelines for submittal for Legal Descriptions
Right of Way maps (under construction)
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Agency Links:
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American Society for Photogrammetry and Remote Sensing (ASPRS)
Board of Professional Engineers and Land Surveyors (BPELS)
California Spatial Reference Center (CSRC)
California Land Surveyors Association (CLSA)
League of California Surveying Organization (LCSO)
Transportation and Land Management Agency (TLMA)
United States Department of interior –Bureau of Land Management (BLM)
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