Mn/DOT allowable lane closure chart example (9)16 Figure 11. Sep 21 2022 05:56 PM. If the opening has a drop off behind it that might present a hazard to the public, document in the resident engineers daily report an exception to the Standard Plans note and have the contractor close the gap for public safety purposes. 2. Require the contractor to anchor bases of traffic cones that do not have enough size and weight to keep the cones in an upright position. For example, anchor guardrail ends and install crash cushions. Midblock worksites should not cause pedestrians to skirt the worksite or make a midblock crossing. Use alternate methods to delineate this type of surface. Do not allow the use of sandbags. Response #1:Lane Closure during the day on Peaceful Oak Road is included as per page 31 in the Special Provisions Section 12-4.02C (3) (m) Chart No. Verify portable flashing beacons operate according to the specifications. Closure Search County All Counties Selected Counties: Alameda Contra Costa Marin Napa San Francisco San Mateo Santa Clara Solano Sonoma Route (s) All Routes Selected Routes: 1 4 9 12 13 17 24 25 29 35 37 61 77 80 82 84 Refer to Part 6, Section 6H, Typical Applications, and figures 6H-28 and 6H-29 of the California MUTCD. Extend the straight section, known as the tangent portion of the closure, to better position the taper. CHP Careers. San Bernardino County Transportation Authority (SBCTA) Please visit SR 210 Base Line Project's website for the latest news regarding the 210 freeway construction. Signs and other devices mounted lower than 7 feet above the temporary pedestrian pathway should not project more than 4 inches into accessible pedestrian facilities. If the portable transverse rumble strips become out of alignment or skewed by more than 6 inches, have the contractor readjust them to the original location. Verify channelizers used for temporary edge line delineation are predominantly orange and the surface- mounted type. Message Signs Before making a decision to approve a change order that would result in a prolonged ramp closure, weigh the results of the study with factors, such as construction costs, travel costs, delay, and safety. Determine what construction area signs should be placed before work begins for the entire project and before each stage of the project. Confirm temporary flashing beacon systems comply with the requirements in Section 12-3.34, Temporary Flashing Beacon Systems, of the Standard Specifications.
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