Art. 781.04 Reflectors Upon completion of the final performance inspection or after satisfactory completion of any necessary corrections, the Engineer shall notify the Contractor in writing of the date of such final performance inspection and release him/her from further performance responsibility.
781.05 Basis of Payment. This work will be paid for at the contract unit price
per each for RAISED REFLECTIVE PAVEMENT MARKER, RAISED REFLECTIVE PAVEMENT MARKER (BRIDGE), TEMPORARY RAISED REFLECTIVE PAVEMENT MARKER, or REPLACEMENT REFLECTOR. SECTION 782. REFLECTORS
782.01 Description. This work shall consist of furnishing and installing
reflectors on guardrail, barrier wall, and curbs. Guardrail shall include steel plate beam guardrail, bridge rail, and their terminals. Barrier wall shall include concrete barriers and bridge parapets. Curbs shall include mountable and barrier curbs, solid medians, median surfaces, and islands.
782.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Reflectors ............................................................................................... 1097
b.Adhesive (Note 1) Note 1. The adhesive shall be according to the reflector manufacturer’s specifications. For applying the adhesive to concrete, the concrete surface shall be cleaned of form oil, membrane curing compound, protective coat, concrete sealer, or other foreign material. Any laitance shall be removed by grinding, and the thin mortar layer from a normal or rubbed finish per
Article 503 — 15 shall also be removed.
CONSTRUCTION REQUIREMENTS
782.03 General. Reflectors shall be installed in the configurations, locations,
and spacings shown on the plans. When an adhesive is required, the surface to which the reflector is applied shall be free of dirt, curing compound, moisture, paint, or any other material which would adversely affect the bond of the adhesive. The adhesive shall then be placed either on the surface or the bottom of the reflector in sufficient quantity to ensure complete coverage of the contact area and with a slight excess after the reflector is pressed firmly in place.
782.04 Guardrail and Barrier Wall Reflectors. The face of guardrail and
barrier wall reflectors shall be vertical and perpendicular to the surface on which they are installed.
a.Type A Reflectors. Type A reflectors are for use with guardrail and bridge rail. For "W" beam guardrail, the reflector shall be attached by loosening a guardrail bolt, slipping the slotted L-bracket under the head of the bolt, and retightening the bolt. For oval or circular bridge rails, the L-bracket of the Pavement Marking and Marker Removal Art. 783.03 reflector shall be secured to the bridge rail using 3/4 in. (19 mm) stainless steel banding. When bi-directional reflectors are required, the Contractor may install two separate mono-directional Type A reflectors back to back using the same bolt or stainless steel band at no additional cost to the Department.
b.Type B Reflectors. Type B reflectors are for use with guardrail and barrier wall and shall be installed using an adhesive.
c.Type C Reflectors. Type C reflectors are for use with barrier wall and shall be installed using an adhesive.
782.05 Curb Reflectors. Curb reflectors shall be installed using an adhesive.
The installed height of the curb reflectors shall be a maximum of 3/4 in. (19 mm) above the mounting surface. The unit shall have one reflective surface that is placed approximately perpendicular to the mounting surface.
782.06 Method of Measurement. This work will be measured for payment in
place in units of each. Each of the reflector configurations (mono-directional and bi- directional) will be considered as one each.
782.07 Basis of Payment. This work will be paid for at the contract unit price
per each for GUARDRAIL REFLECTORS, of the type specified, BARRIER WALL REFLECTORS, of the type specified, or CURB REFLECTORS. SECTION 783. PAVEMENT MARKING AND MARKER REMOVAL
783.01 Description. This work shall consist of removing existing pavement
markings and raised reflective pavement markers.
783.02 Equipment. Equipment shall be according to the following.
Item Article/Section
a.Grinders (Note 1)
b.Water Blaster with Vacuum Recovery ............................................... 1101.12 Note 1. Grinding equipment shall be approved by the Engineer.. CONSTRUCTION REQUIREMENTS
783.03 Removal of Conflicting Markings. Existing pavement markings that
conflict with revised traffic patterns shall be removed. If darkness or inclement weather prohibits the removal operations, such operations shall be resumed the next morning or when weather permits. In the event of removal equipment failure, such equipment shall be repaired, replaced, or leased so removal operations can be resumed within 24 hours.
a.Pavement Markings. The existing pavement markings shall be removed by the method specified and in a manner that does not materially damage the surface or texture of the pavement or surfacing. Small particles of tightly
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Source: Illinois Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 681–682 of 1,217. View official source ↗