Traverse. The traverse of the exterior boundaries of the subdivision computed from field measurements of the ground must close within a limit of error of one foot to ten thousand feet of perimeter before balancing the survey, or comply with other requirements established by the county surveyor.

Field Notes. When required by the county surveyor, the engineer or surveyor making the survey shall prepare complete field notes, in a form satisfactory to the county surveyor, showing references, ties, locations, elevations and other necessary data relating to monuments, set in compliance with these regulations, and shall submit the notes to the county surveyor to be indexed and retained as a part of the permanent public record of his office.

Geodetic Monuments. Whenever the county surveyor has established a system of coordinates which is within a reasonable distance of the subdivision boundary, as determined by the county surveyor, the field survey shall be tied into the system.

Boundary Monuments.

Interior Monuments. Whenever interior monuments are required, the monuments shall be set at:

Monument Type and Positioning. All monuments set in the course of the survey shall be as specified by the county surveyor and shall be set to the depth and in the manner prescribed by the county surveyor.

Identification Marks. All monuments shall be permanently and visibly marked or tagged with the registration or license number of the engineer or surveyor who signs the engineer's or surveyor's certificate and under whose supervision the survey is made.

Replacement of Destroyed Monuments. Any monument which is disturbed or destroyed before acceptance of all improvements by the city shall be replaced by the subdivider.

Timing of Monument Installation. The exterior boundary of the subdivision shall be completely monumented or referenced before the final map or parcel map is submitted to the county surveyor for filing. interior monuments need not be set at the time the final map or parcel map is filed if the engineer or survey- or certifies on the map that the monuments will be set on or before a specified later date, and if the subdivider furnishes the city a bond, instrument of credit, or cash deposit in a sufficient amount to guarantee payment of the cost of setting the monuments in compliance with Map Act Section 66496.

Notice of Completion. Within five days after all monuments have been set, the engineer or surveyor shall give written notice to the subdivider and the county surveyor that the final monuments have been set. Verification of payment to the engineer or surveyor shall be filed as required by Article 9, Chapter 4 of the Map Act. The cost of setting monuments shall be included in the engineer's estimate for improvements in compliance with Section 21.80.040 (Improvement agreements and security) of this title. If requested, this amount of the bond may be released upon verification of the setting of the monuments by the county surveyor.

Inspection and Approval. All monuments shall be subject to the inspection and approval of the county surveyor.

Stakes, monuments (together with their precise position) or other evidence found on the ground, to determine the boundaries of the subdivision;

Corners of all adjoining properties identified by lot and block numbers, subdivision names, numbers and pages of record or by section, township and range, or other proper designation;

All information and data necessary to locate and retrace any point or line without unreasonable difficulty;

The location and description of any required monuments to be set after recordation of the final map, and the statement that they are "to be set";

Bearing and length of each lot line, block line and boundary line and each required bearing and distance;

Length, radius and angle of each curve and the bearing of each radial line to each lot corner on each curve;

The centerlines of any street or alley in or adjoining the subdivision which have been established by the county surveyor, together with reference to a field book or map showing the centerline and the monuments which determine its position. If determined by ties, that fact shall be so stated;

Any other survey data or information as may be required to be shown by the county surveyor or by the provisions of this chapter.