National City Municipal Code Ch. 17.08 Additional Requirements

A. A soils report, based upon adequate test borings, shall be required and submitted to the city engineer for every subdivision for which a final subdivision or parcel map is required. The soils report shall be prepared by a California registered civil engineer, or jointly by a California registered civil engineer and a geologist if so required by the city engineer. The soils report may be waived if the city engineer finds that sufficient knowledge exists as to the soils qualities of the subdivision.

B. In the event the soils report indicates the presence of expansive soils or other soils problems which, if not corrected would lead to structural defects, a soils investigation of each lot or parcel in the subdivision may be required and must be performed by a California registered civil engineer, who shall recommend the corrective action which is likely to prevent structural damage.

C. The subdivision or any portion thereof where such problems exist may be approved if it is determined that the recommended corrective action is likely to prevent any structural damage and that the issuance of any building permit shall be conditioned to include this recommended corrective action prior to the construction of each building involved.

(Ord. 1964 § 1 (part), 1988)

At the time of making the survey for all final subdivision or parcel maps, a California registered civil engineer or California licensed surveyor shall set sufficient durable monuments to conform with the standards of the Subdivision Map Act and requirements established by the city engineer, as follows:

A. Boundary Monuments. The exterior boundary of the subdivision shall be monumented with permanent monuments consisting of not smaller than two-inch galvanized iron pipes at least twenty-four inches long set at each corner, at intermediate points along the boundary not more than one thousand feet apart and at the beginning and end points of all curves; provided, if any existing record and identified monument meeting the foregoing requirements is found at any such corner or point, such monument may be used in lieu of a new monument.

B. Lot Corner Monuments. All lot corners, except when coincident with an exterior boundary corner, shall be monumented with permanent monuments of one of the following types: (i) three-fourths-inch diameter iron pipe at least eighteen inches long; (ii) one-half-inch diameter steel rod at least eighteen inches long; (iii) lead plug and copper identification disks set in concrete sidewalk or curbs.

C. Such additional monuments to mark the limiting lines of streets as the city engineer may require.

D. All other monuments set or proposed to be set shall be as indicated on the final map.

E. All monuments and their installation shall conform to the city standards.

F. Where the setting of monuments is deferred following filing of a final subdivision or parcel map, such monuments shall be set within thirty days after the completion of the required improvements. The engineer or surveyor who set the monuments shall notify the city engineer that all monuments have been exposed and are available for inspection. The monuments shall be inspected and found to be satisfactory by the city engineer before the improvements are accepted.

(Ord. 1964 § 1 (part), 1988)

All standards of design for public improvements within the city shall be enacted by ordinance of the city council. The city engineer shall maintain a manual setting forth such standards. Said manual shall set forth the details of design and design criteria such that engineers providing services for subdivider may readily incorporate such standard by reference. Three copies of said manual shall be filed for use and examination by the public in the office of the city clerk.

(Ord. 2033 § 5, 1992: Ord. 1964 § 1 (part), 1988)

Every subdivision or parcel map shall:

A. Use the California Coordinate System for its "basis of bearings" and express all measured and calculated bearing values in terms of the system. The angle of grid divergence from a true meridian (theta or mapping angle) and the north point of said map shall appear on each sheet thereof. Establishment of said basis of bearings may be by use of existing horizontal control stations or astronomic observations.

B. Show two measured ties from the boundary of the subject property to existing horizontal control station(s) having California coordinate values of third order accuracy or better, as published in the county of San Diego's horizontal control book. These tie lines to the existing control shall be shown in relation to the California Coordinate System (i.e., grid bearings and grid distances). All other distances shown on the map are to be shown as ground distances. A combined factor for conversion of grid-to-ground distances shall be shown on the map.

If there are no acceptable horizontal control stations within one-half mile of the subject property, then the engineer or land surveyor may make a written request to the engineering department for additional control stations within the subject area.

The city may provide a coordinated monument (using the North American datum of 1983) by tying either a section, quarter-section, or rancho or other appropriate land net corner or road centerline which is intervisable with an existing monument in the local control network.

In the event the city is unable to provide an acceptable horizontal control station within one-half mile of the subject property within thirty days of written request, this requirement may be waived.

None of the above will preclude a person, authorized to practice land surveying, from performing the necessary work to meet the requirements of this section.

(Ord. 1988 § 1, 1990)

Any tentative or final parcel or subdivision map for a condominium conversion, as permitted pursuant to provisions of Title 18, shall comply with applicable requirements of the state Subdivision Map Act, in particular Government Code Section 66427.1.

(Ord. 2216 § 5, 2003)