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S.B. 41 Enrolled

                 

UTAH COORDINATE SYSTEM AMENDMENTS

                 
2001 GENERAL SESSION

                 
STATE OF UTAH

                 
Sponsor: Parley Hellewell

                  This act modifies the Utah Coordinate System. The act adopts special publications to more
                  precisely define the Utah Coordinate Systems of 1927 and 1983. The act modifies the
                  requirements for any document identifying or using a coordinate system. The act establishes
                  that, in addition to the Utah Coordinate System of 1983, any person, corporation, municipality,
                  county, or state agency establishing a new coordinate network must conform to the current
                  federal coordinate update.
                  This act affects sections of Utah Code Annotated 1953 as follows:
                  AMENDS:
                      57-10-6, as repealed and reenacted by Chapter 60, Laws of Utah 1988
                      57-10-8, as repealed and reenacted by Chapter 60, Laws of Utah 1988
                      57-10-9, as repealed and reenacted by Chapter 60, Laws of Utah 1988
                      57-10-11, as enacted by Chapter 60, Laws of Utah 1988
                  REPEALS:
                      57-10-10, as enacted by Chapter 60, Laws of Utah 1988
                  Be it enacted by the Legislature of the state of Utah:
                      Section 1. Section 57-10-6 is amended to read:
                       57-10-6. Utah Coordinate Systems of 1927 and 1983 defined.
                      [(1)] For purposes of more precisely defining the Utah Coordinate [System of 1927] Systems,
                  the following [definition by the United States Coast and Geodetic Survey (not National Ocean
                  Service/National Geodetic Survey) is] special publications are adopted:
                      (1) For the Utah Coordinate System of 1927, the manual entitled "The State Coordinate
                  Systems (A Manual for Surveyors)," Special Publication No. 235, and "Plane Coordinate Projection
                  Tables for Utah," Special Publication No. 277. Both manuals are published by the U.S. Department
                  of Commerce, Coast and Geodetic Survey, and provide, in part, the following:


                      (a) (i) The "Utah Coordinate System of 1927 North Zone" is a Lambert Conformal Conic
                  Projection of the Clarke Spheroid of 1866 having standard parallels at north latitudes 41 degrees 47
                  minutes and 40 degrees 43 minutes, along which parallels the scale shall be exact.
                      (ii) The origin of coordinates is at the intersection of the meridian 111 degrees 30 minutes west of
                  Greenwich and the parallel 40 degrees 20 minutes north latitude.
                      (iii) This origin is given the coordinates: x=2,000,000 feet and y=0 feet.
                      (b) (i) The "Utah Coordinate System of 1927 Central Zone" is a Lambert Conformal Conic
                  Projection of the Clarke Spheroid of 1866 having standard parallels at north latitudes 40 degrees 39
                  minutes and 39 degrees 01 minutes, along which parallels the scale shall be exact.
                      (ii) The origin of coordinates is at the intersection of the meridian 111 degrees 30 minutes west of
                  Greenwich and the parallel 38 degrees 20 minutes north latitude.
                      (iii) This origin is given the coordinates: x=2,000,000 feet and y=0 feet.
                      (c) (i) The "Utah Coordinate System of 1927 South Zone" is a Lambert Conformal Conic
                  Projection of the Clarke Spheroid of 1866 having standard parallels at north latitudes 38 degrees 21
                  minutes and 37 degrees 13 minutes, along which parallels the scale shall be exact.
                      (ii) The origin of coordinates is at the intersection of the meridian 111 degrees 30 minutes west of
                  Greenwich and the parallel 36 degrees 40 minutes north latitude.
                      (iii) This origin is given the coordinates: x=2,000,000 feet and y=0 feet.
                      (2) For [purposes of more precisely defining] the Utah Coordinate System of 1983, the manual
                  entitled "State Plan Coordinate System of 1983," NOAA Manual NOS NGS 5. The manual is published
                  by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration, and provides,
                  in part, the following [definition by the National Ocean Service/National Geodetic Survey is adopted]:
                      (a) (i) The "Utah Coordinate System of 1983 North Zone" is a Lambert Conformal Conic
                  Projection of the North American Datum of 1983 having standard parallels at north latitudes 41 degrees
                  47 minutes and 40 degrees 43 minutes, along which parallels the scale shall be exact.
                      (ii) The origin of coordinates is at the intersection of the meridian 111 degrees 30 minutes west of

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                  Greenwich and the parallel 40 degrees 20 minutes north latitude.
                      (iii) This origin is given the coordinates: x or E=500,000 meters and y or N=1,000,000 meters.
                      (b) (i) The "Utah Coordinate System of 1983 Central Zone" is a Lambert Conformal Conic
                  Projection of the North American Datum of 1983 having standard parallels at north latitudes 40 degrees
                  39 minutes and 39 degrees 01 minutes, along which parallels the scale shall be exact.
                      (ii) The origin of coordinates is at the intersection of the meridian 111 degrees 30 minutes west
                  Greenwich and the parallel 38 degrees 20 minutes north latitude.
                      (iii) This origin is given the coordinates: x or E=500,000 meters and y or N=2,000,000 meters.
                      (c) (i) The "Utah Coordinate System of 1983 South Zone" is a Lambert Conformal Conic
                  Projection of the North American Datum of 1983 having standard parallels at north latitudes 38 degrees
                  21 minutes and 37 degrees 13 minutes, along which parallels the scale shall be exact.
                      (ii) The origin of coordinates is at the intersection of the meridian 111 degrees 30 minutes west of
                  Greenwich and the parallel 36 degrees 40 minutes north latitude.
                      (iii) This origin is given the coordinates: x or E=500,000 meters and y or N=3,000,000 meters.
                      Section 2. Section 57-10-8 is amended to read:
                       57-10-8. Use of terms on maps and documents.
                      (1) Any document identifying or using a coordinate system shall, in accordance with Section
                  57-10-9 , clearly and completely identify the system used.
                      [(1)] (a) The use of the term "Utah Coordinate System of 1927 (North, Central, South) Zone" on
                  any map, report of survey, or other document [is limited to] shall be used to reference the system, the
                  coordinates [based on the Utah coordinate system], and the unit of measure as defined in [this chapter]
                  Subsection 57-10-6 (1).
                      (b) The use of the term "Utah Coordinate System of 1983 (HARN 1994, or the current federal
                  coordinate update used as the basis of the system being used) (North, Central, South) Zone" shall be used
                  to reference the system, the coordinates, and the unit of measure as defined in Subsection 57-10-6 (2).
                      (2) Anyone using a coordinate system similar to the Utah coordinate system, such as one where

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                  a modified elevation datum is used, shall clearly include "modified" in the title of the coordinate system.
                      (3) Any survey or map based on any such modified coordinate system shall show the title of the
                  coordinate system, including "modified" in the title and show the appropriate combined adjustment factor
                  relating the system to the Utah coordinate system.
                      Section 3. Section 57-10-9 is amended to read:
                       57-10-9. Use of coordinate system optional.
                      The use of the Utah coordinate system by any person, corporation, or governmental agency
                  engaged in land surveying or mapping, or both, is optional.
                      Section 4. Section 57-10-11 is amended to read:
                       57-10-11. 1983 system to be used after certain dates.
                      After [May 1, 1988, persons] January 1, 2002, any person, corporation, municipality, county, or
                  state agency who is not utilizing an existing county coordinate system and is establishing a new countywide
                  coordinate network [utilizing the Utah coordinate system may use only] for surveying or mapping, or both,
                  must conform to the Utah Coordinate System of 1983[. After January 1, 1997, persons using a Utah
                  coordinate system may use only the Utah Coordinate System of 1983], along with the current federal
                  coordinate update.
                      Section 5. Repealer.
                      This act repeals:
                      Section 57-10-10, Feet to meters conversion specified.

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