A. A permanent control monument shall consist of an aluminum or brass cap at least two and one-half (2 1/2) inches in diameter securely and mechanically attached to a pipe that is at least thirty (30) inches in length with a minimum outside diameter of two (2) inches. The pipe shall be footed by splitting for several inches and spreading the halves into a flange or by securely attaching a commercially manufactured foot. If the pipe is nonmagnetic, the monument cap must contain a magnetic insert as an integral part of its composition.

B. Monuments other than permanent control monuments shall consist of a brass or aluminum cap, not less than one and one-half (1 1/2) inches in diameter, permanently fastened to the top of a galvanized ferrous pipe of not less than one-half- (1/2-) inch inside diameter. Such monuments shall be driven to refusal or thirty (30) inches, whichever comes first (1st).

C. A monument shall not extend above the surface if located in a roadway and shall not extend more than four (4) inches above the surface in other locations and shall be planted in such a manner that it cannot be removed by frost.

D. The cap of each monument set as a part of the subdivision shall be stamped with the registration number of the surveyor, the date set, and the monument designation as shown on the final plat.

E. The city engineer may authorize or require different monument materials, additional information to be stamped on caps, and may prescribe methods of planting monuments and other standards to govern subdivision monumentation. [Ord. 01-05 § 7.]