Art. 666.03 Right-of-Way Markers Right-of-way markers shall be set so the back of the post is flush with the right- of-way line, except when the marker conflicts with a property pin, in which case the right-of-way marker shall be offset. The markers shall be set in compacted soil, and the bottom of the holes shall be rammed to provide a stable foundation. They shall be set in a vertical position with the lettered side facing the roadbed. The holes shall be backfilled and thoroughly compacted with approved materials in layers in such manner that the bottom of the markers will remain in the correct position. Right-of-way markers shall be erected before any grading operations are started, except that markers in easement areas may be erected after the final grading is complete.
666.04 Removing and Reerecting. Existing right-of-way markers designated
to be removed and reerected shall be removed in a manner that will not damage the marker. Any marker damaged during removal shall be replaced with a new marker. Holes shall be backfilled as directed by the Engineer. The existing right-of-way markers shall be reerected at the locations shown on the plans. Reerecting of existing right-of-way markers shall be according to
Article 666 — 03. Existing markers damaged during removal or otherwise considered
unsatisfactory for reuse shall be replaced with new markers before reerecting.
666.05 Basis of Payment. Furnishing and erecting right-of-way markers will
be paid for at the contract unit price per each for FURNISHING AND ERECTING RIGHT OF WAY MARKERS. Removing and reerecting existing right-of-way markers will be paid for at the contract unit price per each for REERECTING RIGHT OF WAY MARKERS. Replacement of unsatisfactory right-of-way markers, except those damaged by the Contractor during removal, will be paid for according to Article 109.04. Excavation in rock will be measured and paid for according to Section 502. SECTION 667. DRAINAGE MARKERS AND PERMANENT SURVEY MARKERS
667.01 Description. This work shall consist of furnishing and erecting
drainage markers or furnishing and installing permanent survey markers.
667.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Portland Cement Concrete ..................................................................... 1020
b.Reinforcement Bars ............................................................................ 1006.10
c.Precast Concrete Drainage Markers ....................................................... 1042
d.Precast Concrete Survey Markers .......................................................... 1042 CONSTRUCTION REQUIREMENTS Preservation of Stones and Other Markers Art. 668.03
667.03 Drainage Markers. Drainage markers shall be placed at the right-of-
way line at the locations shown on the plans. They shall be erected according to
Article 666 — 03. The reference in Article 666.03 to right-of-way markers shall be
construed to include drainage markers.
667.04 Permanent Survey Markers. Except where it is necessary to install
the tablet in an existing rock ledge, concrete pavement, or a structure, the markers shall be either precast or cast in place at the option of the Contractor. Class SI concrete shall be used throughout. The location of the markers shall be according to the plans. The markers shall be placed at the P.T.'s and P.C.'s of horizontal curves and spaced along the tangents such that a minimum of two markers are always inter-visible. The markers shall be placed under the direction of the Engineer and shall be installed in such a manner that there will be no future settlement or horizontal shifting. The monuments shall be placed in a way that the survey point will fall within the portion of the tablet provided for that purpose. The project designation, the centerline station, the survey point, and the elevation shall be permanently marked on the tablet by the use of metal dies after the marker has been installed.
667.05 Basis of Payment. The work of furnishing and erecting drainage
markers will be paid for at the contract unit price per each for FURNISHING AND ERECTING DRAINAGE MARKERS. The work of furnishing and installing permanent survey markers will be paid for at the contract unit price per each for PERMANENT SURVEY MARKERS, of the type specified. Excavation in rock will be measured and paid for according to Section 502. SECTION 668. PRESERVATION OF STONES AND OTHER MARKERS
668.01 Description. This work shall consist of preserving section or
subsection stones and other markers. CONSTRUCTION REQUIREMENTS
668.02 General. All stones and other markers encountered in the field shall
be cross-tied prior to construction operations. This work shall be done by an Illinois Professional Land Surveyor. The Illinois Professional Land Surveyor shall reference the exact location of the existing monument, supervise the resetting of the monument, and prepare a monument record. The new monument record shall be filed in the County Recorder of Deeds at the County Court House in the County involved and a copy of the filed monument record shall be supplied to the District Chief of Surveys.
668.03 Basis of Payment. This work will be paid for according to
Article 109 — 04.
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Source: Illinois Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 599–600 of 1,217. View official source ↗