California Public Resources Code CHAPTER 5 - California Orthometric Heights

  • Section 8890.
    Orthometric heights within the State of California that are based on the North America Vertical Datum of 1988 and conforming to the provisions of this...
  • Section 8891.
    As used in this chapter:(a) “NGS” means National Geodetic Survey or its successor.(b) “CSRC” means California Spatial Reference Center or its successor.(c) “NAVD88” means North American Vertical Datum...
  • Section 8892.
    The phrase “California Orthometric Heights of 1988” or any abbreviation, such as “COH88,” thereof shall be used only in reference to orthometric heights based on...
  • Section 8893.
    COH88 values shall be expressed in meters and decimals of a meter or in feet and decimals of a foot. When COH88 values are expressed...
  • Section 8894.
    COH88 values that are determined from differential leveling surveys shall be known as “leveled COH88” values. COH88 values that are determined from GPS surveys and...
  • Section 8895.
    When a geoid model is used to determine derived COH88 values, it shall be the latest geoid model published by NGS.(Added by Stats. 2005, Ch....
  • Section 8896.
    The accuracy of derived COH88 values may be improved by applying a “local orthometric height correction” to the geoid height determined from the latest, applicable...
  • Section 8897.
    The survey that establishes a COH88 value or values shall meet all of the following requirements:(a) The survey shall be referenced to and shall have field-observed...
  • Section 8898.
    If an accuracy is claimed for a COH88 value or values, the survey that established the value or values shall be documented on a map,...
  • Section 8899.
    When a COH88 value or values are shown on any document, the document shall include the following:(a) A statement that the orthometric height or heights shown...
  • Section 8900.
    The use of COH88 by any person, firm, or governmental agency is optional.(Added by Stats. 2005, Ch. 158, Sec. 29.16. Effective January 1, 2006.)
  • Section 8901.
    This chapter does not impair or invalidate land titles, legal descriptions, or jurisdictional or land boundaries and, further, this chapter does not impair or invalidate...
  • Section 8902.
    This chapter does not prohibit the use of new surveying technologies or techniques for which FGCS specifications or other accepted specifications have not yet been...

Last modified: October 22, 2018