Art. 634.04 Delineators
634.04 Preservative Treatment. The posts shall be pressure treated after
the sawing and rounding have been performed.
634.05 Setting Posts. The posts shall be set in compacted soil. The material
in the bottom of the post holes shall be compacted to provide a stable foundation. The posts shall be set plumb with the front faces forming a smooth line. After the posts are in place, the holes shall be backfilled in layers with approved materials compacted in such a manner as not to displace the posts from correct alignment. In lieu of setting posts in previously dug holes, the posts may be driven provided they are protected by a suitable driving cap, no damage is done to any portion of the post, they are driven plumb to the required depth and alignment with adequate lateral stability, and provided that the shoulders and adjacent slopes are not damaged from the driving operations. When, in the opinion of the Engineer, driving operations are producing unsatisfactory results, the posts shall be set in dug or bored holes.
634.06 Basis of Payment. This work will be paid for at the contract unit price
per each for GUARD POSTS. Excavation in rock will be measured and paid for according to Section 502. SECTION 635. DELINEATORS
635.01 Description. This work shall consist of furnishing, installing,
removing, and reinstalling delineator posts and reflectors.
635.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Metal Posts and Hardware for Highway Markers, Signs, and Delineators (Note 1) ........................................................... 1006.29
b.Reflectors for Delineators ................................................... 1097.01, 1097.03 Note 1. The hardware for attaching the reflectors to the posts shall be stainless steel. CONSTRUCTION REQUIREMENTS
635.03 General. Delineators shall be installed in the configurations, locations,
and spacing shown on the plans. If the designated spacing causes a delineator location to occur at a pier of an overhead structure, the delineator may be omitted. The color of the reflectors shall be the same as the adjacent pavement edge line.
635.04 Installing New Delineator Posts and Reflectors. Only one type of
reflector will be permitted within the limits of a contract. The installed posts shall be vertical and oriented so the face of the delineator shall be at 90 degrees to the centerline of the adjacent pavement. Cable Road Guard Art. 636.03 Delineators shall be placed both as to lateral placement and height so as to have a satisfactory and uniform alignment. Acceptance of the delineator installation will include, in addition to ordinary inspection, a night inspection from an automobile by the Engineer and the Contractor, or a duly authorized representative. Delineators not having satisfactory and uniform night appearance shall be adjusted.
635.05 Removing and Reinstalling Existing Delineator Posts and
Reflectors. Removal shall be performed in a manner that will not cause any damage to the existing posts or reflectors. Any posts or reflectors damaged during the removal shall be replaced. When necessary, the existing posts and reflectors shall be stored in a manner approved by the Engineer prior to reinstallation. Reinstallation and acceptance of the posts and reflectors shall be according to
Article 635 — 04.
635.06 Method of Measurement. This work will be measured for payment in
place in units of each. All of the various reflector configurations installed on a single post (one reflector, two reflectors placed back to back, or double reflectors) will be considered as one each.
635.07 Basis of Payment. The work of furnishing and installing new
delineator posts and reflectors will be paid for at the contract unit price per each for DELINEATORS. The work of removing and reinstalling existing delineator posts and reflectors will be paid for at the contract unit price per each for REMOVE AND REINSTALL DELINEATORS. SECTION 636. CABLE ROAD GUARD
636.01 Description. This work shall consist of constructing a cable road
guard consisting of a steel cable mounted on posts.
636.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Cables and Accessories for Cable Road Guard ................................ 1006.26
b.Wood Posts and Wood Blockouts ........................ 1007.01, 1007.02, 1007.07
c.Steel Posts ........................................................................................ 1006.23
d.Preservative Treatment ..................................................................... 1007.12
e.Portland Cement Concrete (Note 1) ....................................................... 1020
f.Reinforcement Bars ........................................................................... 1006.10 Note 1. Concrete shall be Class SI concrete. CONSTRUCTION REQUIREMENTS
636.03 General. Cable road guard shall be constructed at the locations and
according to the details shown on the plans. Either wood or steel posts shall be used at the option of the Contractor. The posts shall be according to Article 630.05.
Referenced in this section
Sections that cite this one
DELINEATORS in other states
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Source: Illinois Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 577–578 of 1,217. View official source ↗