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Overview
OC Survey - Boundary Unit
- Subdivision Map Checking
- Public Services/Survey Records
- Boundary Analysis
- Map Checking & Annexations
OC Survey - Office Unit
- Land Information Systems
- Geodetic Control
- G.I.S. Mapping
- Landbase Management
OC Survey - Field Survey Unit
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- Claims Investigation Surveys
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- Volume/Quality Calculations
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OC Survey - Right of Way Engineering Unit
- Process real property transactions
- Determination of parcel boundaries and acreage
- Preparation and review of legal descriptions and maps
- Review and assessment of existing title matters
- Maintain a public service counter and the real property records
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What is OC Survey?
OC Survey is a many layered application of technologically advanced land measuring
techniques and property identification. This information is obtained through the
global positioning system, remote sensing, photogrammetry, cartography, geographic
information systems, computers, software and other related technology to capture,
analyze manipulate and display this information in a commonly recognized format.
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Geodetic Surveys
The Geodetic Unit has a highly advanced network of information gathering equipment
for land measurement and has this information available to the public in paper or
floppy disk form. Shown here is a “real time kinematic” equipment, which
gives land measurement, within a centimeter, at any location on the earth, where
it is positioned.
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Hydrographic Surveys
Global Positioning System surveys (GPS) are also used to measure the surface of
the oceans, harbors and lakes. At left, is the G.L.I.S. Boston Whaler, performing
a hydro survey in Newport Harbor, to determine how the floor of the harbor has shifted
over a multiyear span.
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Field Surveys
Traditional field surveys are performed using equipment of the highest caliber.
County surveys are of the first order. Shown left, is a Survey Party Chief &
an Instrumentman, surveying an area soon to be a new road, near the Newport Coast
area.
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Land Information Systems
Using recorded surveys, subdivision maps and like information, this data is entered
into a “master” landbase, where various types of information are “layered”
onto the parcels, creating a “total picture”. An example would be, owner,
address, right of way lines, assessor parcel numbers, gas/power lines involved,
etc. Shown here is the landbase at it’s inception.
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Land Information Systems
Utilizing newer and more powerful computers, the landbase can be updated almost
immediately. This information is accessible at your fingertips, using a Personal
Computer.
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Geographic Information Systems
Also using the multi-layering information systems, maps and datasets are created
to identify various land use areas. At left, is a map of the City of Irvine, with
the various areas highlighted, i.e., recreational areas, heavy residential, commercial
areas, agriculture, military areas, etc.
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Geographic Information Systems
Shown at left, is a map of the Decibel Contour Noise Elevation at the El Toro Marine
Base. A series of microphones were installed at various intervals of the base, recording
when the sounds of the aircraft reaches or exceeds 65 decibels. This data is then
translated on a map to identify communities that may be affected by excessive noise.
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Public Services
Serving the public at the Public Assistance Counter, G.L.I.S. personnel are available
to answer any question regarding research, fees and product availability. Research
is their primary focus, with an army of information readily available, on maps,
in books, and microfiche, including recorded document information.
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Public Services
Subdivisions, roads, right of way properties, monumentation reference material,
instructions & forms regarding filing and recording documents are available
at the Public Assistance/Services Counter, located at:
OC Public Works
OC Survey Office
300 N. Flower, Room 252
Santa Ana, CA 92703
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