9-11-3: MINIMUM REQUIREMENTS:
All plats, maps and other documents specified in section 9-11-1 of this chapter shall contain and meet the following minimum requirements:
A. Survey ties shall consist of the grid azimuth (or grid bearings), ground bearings, and grid and ground distances from established HCN stations to monumented corners of the lands being platted or surveyed. These ties are to be shown as straight lines. Ties should be established by means of a closed traverse which includes at least two (2) HCN stations and two (2) monumented corners of the land being platted, surveyed or described, one of which is to be the point of beginning. In the event of a discrepancy between adjacent surveys, additional information may be required from the certifying surveyors; (Ord. 2-1-1997, 2-6-1997)
B. Coordinates of the two (2) monumented corners, as described above, in addition to those of the HCN stations from which the survey ties originate, are to be shown by tabulation or other means on the plat or map. These grid coordinates are to be designated “east” and “north.” Scaled drawing line lengths should represent ground distances; (Ord. 2-1-1997, 2-6-1997; amd. 2003 Code)
C. A grid azimuth (or grid bearing) shall be used as a basis of bearing for the survey and shall be clearly noted on the plat or map. Grid azimuths, grid bearings and grid distances shall be shown in square brackets (e.g., [N 0° 00' 00" E], [1,000']) and labeled as such;
D. Ground distances are to be used in descriptions and for calculating areas. Ground distances shall not be used to transfer state plane coordinates. All distances used for transfer of coordinates must be state plane grid distances;
E. When a record description or portion thereof is retraced with a state plane description, there shall be included an explanation of the equivalent of the record description and the description based on a grid azimuth. The statement: “The following description is the mathematical equivalent of the record description with all bearings correctly converted to the description terms of the Utah state plane – rectangular coordinate system,” should be inserted. Since all property descriptions must relate back through a chain of title to the original government patent for the property, the use of state plane information in descriptions must be done in such a way that the title chain is not broken;
F. The city will not accept descriptions based upon a monument which has not been tied to the HCN or has been displaced. It will be necessary to tie in or reestablish the monument through a procedure approved by the city;
G. Where a land surveyor deems it advantageous to establish a new HCN station, the work will be accepted subject to review and approval of the city surveyor. When accepted, the new station will become a component of the HCN. New stations shall be marked by a substantial immutable and easily discernible monument, adequately referenced to monuments or objects. A sketch shall be drafted showing the station, reference monuments and/or objects, and other pertinent information to aid in the recovery of the station, including bearing, distance and description of reference monuments and objects. The licensed land surveyor responsible for establishment of the station shall execute a certificate, which may be included on the aforementioned sketch or on an attached document, regarding the procedures used, the accuracy obtained and the correctness of the work. The position of new HCN stations shall be determined by ties to at least two (2) established HCN stations, the ties being executed to an accuracy of not less than one part in one hundred thousand parts (1 part in 100,000 parts). There shall be a statement on the plat or document indicating the adjustment procedure used and the accuracy obtained.
H. All plats, maps and other documents are to be submitted as hard copy (paper, Mylar or other media as appropriate) and on three and one-half inch (3 1/2") computer disks in an industry standard format (i.e., .DXF, .DWG, ASCII) or other appropriate form approved by the city. (Ord. 2-1-1997, 2-6-1997; amd. 2003 Code)