Specifications include, but are not limited to: A. Undisputed monuments when found, stable, and in good condition, shall not be disturbed and may remain as the section corner monument. Any monument not found will be replaced or perpetuated with a Dane County Section Corner monument. Available monuments are a “digin” 2 inch inside diameter stainless steel pipe, 30 inches in length with a pinned on naval bronze cap and a flared bottom, a heavy gauge survey marker spike with a Dane County PLSS Corner washer, or a 3-1/2 inch bronze stem for setting in a concrete pad or tube. B. Where feasible “dig-in” monuments will be used for the section corner itself. The top of the monument shall be set approximately 2 inches above grade. C. Every corner shall also have 4 accessory or witness monuments. Witness monuments may consist of ¾ inch diameter rebar, 24 inches in length or the equivalent. Other stable and permanent structures may also be used as witness monuments such as bridge abutments or building foundations, if necessary. When a corner is located in a bituminous roadway, the spike and washer may be used for the corner location in conjunction with more substantial witness monuments of 1-1/4 inch diameter rebar, 30 inches in length or equivalent. The concrete set stems will be available, but not required. In unprotected or unsafe areas, the corner location may be computed and mathematically referenced with the approval of the Dane County Surveyor, in conjunction with more substantial witness monuments of 1-1/4 inch diameter rebar and 30 inches in length, or equivalent...
