Remove, Replace, and Re-Erect Overhead Sign Structure Art. 738.02 Re-using existing concrete foundations shall be according to Article 733.07. Constructing new concrete foundations shall be according to Section 734. Removal, replacement, and re-erection of specific overhead sign structure components shall be according to the following.
a.Structural Steel Support. When the existing structural steel support is to be re-used, the support shall be removed from the concrete foundation and then stored and handled according to Article 505.08(c). When the existing structural steel support is to be replaced, the support shall be removed from the concrete foundation and removed from the right-of- way. A sign structure number shall be installed on the new support as directed by the Engineer.
b.Overhead Sign Superstructure. When the existing overhead sign superstructure is to be re-used, the superstructure shall be removed from the structural steel support(s) and then stored and handled according to
Article 505 — 08(c).
When the existing overhead sign superstructure is to be replaced, the superstructure shall be removed from the structural steel support(s), and removed from the right-of-way. Saddle shim blocks and fabric pads shall remain in their proper position during re-erection.
c.Overhead Sign Structure Walkway. When the existing walkway is to be re- used or replaced along with the existing overhead sign superstructure, the walkway shall remain attached to, and considered part of, the superstructure. When the existing walkway is to be re-used on a new overhead sign superstructure, the walkway shall be removed and then stored and handled according to Article 505.08(c). When necessary, new holes shall be drilled in the existing walkway brackets to match the new chord diameters and to maintain proper clearance above the roadway. When only the existing walkway is to be replaced, the walkway shall be removed from the existing overhead sign superstructure and removed from the right-of-way.
d.Sign Panels. When existing sign panels are to be re-used or replaced along with the existing superstructure or walkway to which they are attached, the sign panels shall remain attached to, and considered part of, the superstructure or walkway. When existing sign panels are to be re-used on a new superstructure or walkway, the sign panels shall be removed from the existing superstructure or walkway and re-installed on the new component according to Section 724. Art. 738.03 Remove, Replace, and Re-Erect Overhead Sign Structure The district where this work is being performed shall be responsible for disconnecting the sign lighting prior to removal of the overhead structure and reconnecting the sign lighting after the overhead structure has been re-erected, unless otherwise specified on the plans.
738.03 Basis of Payment. This work will be paid for according to the
following.
a.Structural Steel Support. This work will be paid for at the contract unit price per each for REMOVE STRUCTURAL STEEL SUPPORT FOR OVERHEAD SIGN STRUCTURE - of the type specified; REMOVE AND RE-ERECT STRUCTURAL STEEL SUPPORT FOR OVERHEAD SIGN STRUCTURE - of the type specified; or STRUCTURAL STEEL SUPPORT FOR OVERHEAD SIGN STRUCTURE - of the type specified.
b.Overhead Sign Superstructure. This work will be paid for at the contract unit price per each for REMOVE OVERHEAD SIGN SUPERSTRUCTURE - of the type specified; or REMOVE AND RE-ERECT OVERHEAD SIGN SUPERSTRUCTURE - of the type specified; or at the contract unit price per foot (meter) for OVERHEAD SIGN SUPERSTRUCTURE - of the type specified.
c.Overhead Sign Structure Walkway. The work of removing, or removing and re-erecting, existing walkways that remain attached to the overhead sign superstructure will not be paid for separately but shall be considered as included in the cost of removing, or removing and re-erecting, the superstructure. For walkways handled separately, this work will be paid for at the contract unit price per foot (meter) for REMOVE OVERHEAD SIGN STRUCTURE WALKWAY, or REMOVE AND RE-ERECT OVERHEAD SIGN STRUCTURE WALKWAY. New walkways will be paid for according to Article 733.11.
d.Sign Panels. The work of removing, or removing and reinstalling, existing sign panels that remain attached to the overhead sign superstructure or walkway will not be paid for separately but shall be considered as included in the cost of removing, or removing and re-erecting, the superstructure or walkway. For existing sign panels handled separately, this work will be paid for according to Article 724.05.
780.01 Description. This work shall consist of furnishing and applying
pavement marking.
780.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Thermoplastic Pavement Markings .................................................... 1095.01
b.Paint Pavement Markings .................................................................. 1095.02
c.Preformed Plastic Pavement Markings .............................................. 1095.03
d.Epoxy Pavement Markings ................................................................ 1095.04
e.Preformed Thermoplastic Pavement Markings .................................. 1095.05
f.Glass Beads for Pavement Markings ................................................. 1095.07
g.Polyurea Pavement Markings ............................................................ 1095.08
h.Modified Urethane Pavement Markings ............................................. 1095.09
780.03 Equipment. Equipment shall be according to Section 1105.
CONSTRUCTION REQUIREMENTS
780.04 General. All pavement markings shall be applied between April 1 and
November 15. Thermoplastic, epoxy, modified urethane, and polyurea pavement markings shall only be applied by Contractors on the list of approved Contractors maintained by the Engineer of Operations and in effect on the date of advertisement for bids. Specific pavement marking materials shall only be applied to compatible pavement surfaces in accordance with IDOT Departmental Policy TRA-14. Longitudinal pavement markings on highways with permanent posted speed limits of 55 mph or greater and on freeways shall be placed with truck mounted equipment. Longitudinal markings on highways with permanent posted speed limits of 50 mph and lower shall be placed with truck mounted equipment unless hand operated equipment is approved at selected locations by the Engineer according to
Article 1105 — 01(b).
Before applying the pavement marking material, the pavement shall be cleaned according to the manufacturer. Widths, lengths, and shapes of the cleaned surface shall be of sufficient size to include the full area of the specified pavement markings to be placed. Pavement cleaning shall be approved by the Engineer prior to placement of markings. The edge of a center line or lane line shall be offset a minimum distance of 2 in. (50 mm) from a longitudinal crack or joint. Edge lines shall be approximately 2 in. (50 mm) from the edge of pavement. The finished center and lane lines shall be straight, with a maximum lateral deviation of 1 in. (25 mm) for any 10-ft (3-m) line.
Referenced in this section
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Source: Illinois Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 668–670 of 1,217. View official source ↗