CHAPTER 5. California Orthometric Heights [8890. - 8902.]
Chapter 5 added by Stats. 2005, Ch. 158, Sec. 29.16.
§§ 8890–8902 · 13 sections
- § 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 chapter…
- § 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)…
- § 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…
- § 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 in feet, the “U.S. Survey…
- § 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…
- § 8895 When a geoid model is used to determine derived COH88 values, it shall be the latest geoid model published by NGS.
- § 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,…
- § 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…
- § 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, record of survey, corner…
- § 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…
- § 8900 The use of COH88 by any person, firm, or governmental agency is optional.
- § 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…
- § 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…