PAVEMENT MARKERS 858.04
858.01 Description
This work consists of providing and installing pavement markers.
858.02 Materials
Provide materia ls in accordance with Section 736, “Pavement Markers.” Provide retro -reflective markers with neutral or colored marker bodies that match the reflector face. Ensure the marker body color is neutral or split to match the reflective face for bi -directional markers. Provide pavement markers in accordance with the color codes specified in Table 858:1: Table 858:1 Pavement Markers Color Code Class Color Code A Crystal/Crystal B Amber C Crystal/Red D Amber/Amber Provide marker housing colors matching the existing traffic stripe colors.
858.03 Equipment
Use equipment to mix and apply epoxy resin adhesive in accordance with AASHTO M 237.
858.04 Construction Methods
Ensure the marker attachment areas on the highway surface are free of material that may affect the adhesion of the marker to the pavement surface. For markers on PCC pavement, sand blast or wire buff the marker attachment area immediately before placing the maker. Immediately before attaching the reflector unit, apply a coat of primer from the same manufacturer to the casting at the reflector unit attachment point. Follow the installation procedure recommended by the marker manufacturer. Affix the markers to the highway surface ensuring traffic does not displace marker s. Correct pavement markers that are not uniform or clearly visible (day or night), as directed by the Resident Engineer, at no additional cost to the Department. Place retro -reflective pavement markers at the locations shown on the Plans. Ensure the color of reflected light as shown on the Plans or as directed by the Resident Engineer.
870.02 Sand -Filled Impact Attenuation Modules
For roadways open to public travel during work, operate the equipment and store materials and supplies to minimize hazards or inconveniences to the traveling public. Repair pavement or facilities damaged by equipment operation at no additional cost to the Department.
858.05 Method of Measuremen T
The Resident Engineer will measure Pavement Markers separately by counting individual marker classes and types. The Resident En gineer will divide pavement markers into classes and types for measurement and payment in accordance with Table 858:2: Table 858:2 Pavement Marker Classes Class A Retroflective Class B Non -retroreflective Ceramic Type Direction Type Type 1 Mono -directional Yellow Type 2 Bi-directional White
858.06 Basis of Payment
The Department will pay for each pay item at the contract unit price per the specified pay unit as follows: Pay Item: Pay Unit:
A.PAVEMENT MARKERS Each
B.REMOVE AND RESET PAVEMENT MARKERS Each SECTION 870 SAND -FILLED IMPACT ATTENUATION MODULES
870.01 Description
This work consists of providing and placing sand -filled impact attenuation modules. A module is considered as one free-standing, frangible unit within the impact attenuation system.
870.02 Materials
A.General Provide sand -filled impact attenuation modules that meet the test requirements, procedures, and results in accordance with NCHRP 350 or MASH T est Level three (TL -3) with letter of acceptance/ eligibility from the FHWA.
Source: Oklahoma Standard Specifications for Highway Construction, 2019 Edition. Pages 901–901 of 935.