104.26 Removable Rumble Strips
CATEGORY 100 PRELIMINARY SECTION 104.26 — REMOVABLE RUMBLE STRIPS
104.26.01 Description
Furnish, install, maintain, and remove removable rumble strips.
104.26.02 Materials
Removable Rumble Strips QPL Rumble strips shall be white in color, 4 in. wide, and 0.250 in. thick.
104.26.03 Construction
104.26.03 01 Quality Assurance/Quality Control. Perform quality control testing using
technicians certified by the Administration.
104.26.03 02 Warranty Period. Maintain the rumble strips and repair defects for a period of
180 days from the date of application. Replace as necessary within this period as directed at no additional cost to the Administration. Refer to GP-5.11. At least 90 percent of the total number of rumble strips in any lane shall be free from signs of failure due to blistering, excessive cracking, discoloration, smearing or spreading under heat, chipping, spalling, or poor adhesion to the pavement. Replace rumble strips showing wear or a thickness less than 0.20 in.
104.26.03 03 Application and Removal. The pavement surfaces shall be completely dry and
free of oil, grease, sand, dirt, dust, loose aggregate, soil, salt, and other contaminants. Apply the rumble strips in accordance with the manufacturer’s recommendations and the Contract Documents. Place perpendicular to the flow of traffic and located as specified. Space the strips between 4 ft and 10 ft on center, with a pattern of at least 10 but not more than 12 strips per set. Decrease the spacing within each set as motorists approach the work zone. The spacing between the sets shall be as specified. Do not place on sharp horizontal or vertical curves. Use in conjunction with other traffic control devices or visual cues that will assist drivers in identifying the appropriate action to take. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS
104.26 Removable Rumble Strips
2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS For installations where the roadway is wider than one lane in each direction, install in one-lane width segments utilizing butt joints. Do not overlap. Continue at least 1 ft onto each shoulder. Do not install over pavement seams, joints, or deteriorating markings and substrates. When no longer required, remove rumble strips and residue. Return the pavement surface to its original condition.
104.26.04 Measurement and Payment
Removable Rumble Strips will be measured and paid for at the Contract unit price per linear foot. The payment will be full compensation for all material, labor, equipment, tools, and incidentals necessary to complete the work. Removal and replacement required beyond the 180 day period will be measured and paid for at the Contract unit price for the Removable Rumble Strip item. Replacements made during the service life due to plowing will be paid for at the Contract unit price for the Removable Rumble Strip item.
104.26.04 01 Removal, Replacement, and Corrective Actions. Any additional cost, including
maintenance of traffic, for the removal of rumble strips that are installed inaccurately or incorrectly shall be at no additional cost to the Administration. In addition, the current road user fee will be applied when traffic disruption occurs during corrective actions.
104.27 Temporary Portable Rumble Strips (Tprs)
CATEGORY 100 PRELIMINARY SECTION 104.27 — TEMPORARY PORTABLE RUMBLE STRIPS (TPRS)
104.27.01 Description
Furnish, install, maintain, adjust, and remove temporary portable rumble strips (TPRS). Work shall consist of preparing the road surface, installing, maintaining, adjusting, and removing temporary rumble strips in construction work zones at the locations shown in the Contract Documents or as directed.
104.27.02 Materials
Temporary Portable Removable Rumble Strips QPL
104.27.02 01 TPRS shall consist of thermoset cast urethane, engineered polymers, or rubber materials. TPRS shall not curl or deform across the width of the strip, maintaining its rigidity. The face of the strips shall be a non-slip textured surface. Each strip shall be capable of being installed without adhesives or bolts.
104.27.02 02 TPRS shall consist of a single segment or be comprised of interlocking sections. The
color of the TPRS shall be white, orange, or black. Each TPRS segment shall be 3/4 in. to 1 in. thick, 10 ft to 12 ft long, and 8 in. to 15 in. wide. TPRS shall be deemed safe by the manufacturer for use by motorcycles and able to withstand tractor trailer traffic with minimal movement.
104.27.03 Construction
104.27.03 01 Installation, Monitoring, and Removal. Select the appropriate TPRS from the
QPL for the posted speed limit of the roadway. Provide a copy of the manufacturer’s installation guidelines to the Engineer. Install and remove according to the manufacturer’s recommendations and the Contract Documents. Verify placement with the Engineer prior to installation. Each segment shall be uniform in color throughout the work zone.
104.27.03 02 Installation. Do not use TPRS on loose gravel, bleeding asphalt, heavily rutted
pavements, milled or unpaved surfaces. Do not place TPRS through pedestrian crossings and railroad crossings. Do not use TPRS in rain, snow, or icy weather conditions. Do not extend TPRS onto the shoulder without the approval of the Engineer. Do not place TPRS on sharp horizontal or vertical curves; instead, install TPRS in advance of the curve so they are visible to approaching traffic. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS