038104.11 — Temporary Pavement Markings

104.11 Temporary Pavement Markings

CATEGORY 100 PRELIMINARY SECTION 104.11 — TEMPORARY PAVEMENT MARKINGS

104.11.01 Description

Furnish, install, and remove temporary pavement markings as specified or as directed by the Engineer. Markings include lines, letters, numbers, arrows, and symbols.

104.11.02 Materials

Pavement Marking Paint 951.01 Black Out Tape 951.02 Removable Pavement Markings 951.08

104.11.03 Construction

104.11.03 01 Quality Assurance/Quality Control. Refer to 549.03. Employ certified

technicians to perform quality control testing. The Engineer will perform quality assurance checks by completing the Nighttime Visibility Evaluations per MSMT 729.

104.11.03 02 Warranty Period. Maintain and correct any defects in the pavement markings for

a period of 180 days from the date of application for tape, thermoplastic or epoxy, and 60 days for paint. Replace defective pavement markings within this warranty period as necessary and as directed at no additional cost to the Administration. When paint is used as a temporary marking for a lane shift/closure that is to be greater than 60 days in length, it shall be reapplied every 60 days.

104.11.03 03 Application and Removal. Apply pavement markings per the manufacturer’s

recommendations and as specified. Apply markings in the same direction as the flow of traffic. Apply the markings to the locations specified or as directed. Pavement markings may be applied to either new or existing paved surfaces. Apply markings to newly paved surfaces before traffic is allowed on the pavement. For milling and paving operations, non tape markings may be used for temporary markings between lifts and temporary raised pavement markings (RPM)s are not required. Use removable tape for temporary markings applied to the final surface. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS

104.11 Temporary Pavement Markings

When temperatures are too low to allow the placement of removable tape on the final surface, request a written exception for the use of other type of markings in lieu of removable tape. Completely remove all non-applicable pavement markings within the travel way and adjacent to the travel way for lane shifts as necessary and as directed. Surface Condition. Ensure the pavement surface is clean, dry, and free of all contaminants prior to applying any pavement markings. Remove all residual, loose or poorly applied pavement markings as necessary and as directed. Pavement Marking Removal. Completely remove all removable pavement markings prior to applying permanent markings. Remove any objectionable adhesive residue on stage construction or final surfaces of Portland cement concrete pavements by water blasting or other methods as approved. Do not use open flame to remove any pavement markings or adhesive residue. Remove all pavement markings in a manner that ensures there is no damage to the existing or final surface. Black out Tape. Black out tape may be used for masking existing markings in accordance with MdMUTCD. Use to mask existing marking for temporary shift conditions of less than 14 days and where the traffic will return to the original alignment and markings. For shifts longer than 14 days, remove the existing marking by hydro blasting and replace with new permanent /final markings when original alignment returns. Retroreflectance. The initial retroreflectance readings for temporary pavement markings shall be a minimum of 250 millicandelas/lux/square meter and 150 millicandelas/lux/square meter for white and yellow markings, respectively. The pavement markings will be monitored per MSMT 729 during the Warranty Period.

104.11.04 Measurement and Payment

Payment for Removable Pavement Markings, Removal of Removable Pavement Markings, Pavement Marking Paint, and the Removal of Existing Pavement Markings will be measured and paid for using one or more of the items listed below and as specified. Payment will be full compensation for furnishing, placing, complete removal of lines, letters, numbers, arrows, symbols, and the removal of all residue. Payment will also cover maintenance and replacement of the markings during the 180 day period, and for all material, labor, equipment, tools, and incidentals necessary to complete the work. Removal and replacement of temporary pavement markings required beyond the 180 day period will be measured and paid for at the Contract unit price for the pertinent temporary pavement marking item. Temporary markings replaced during the 180 day period as a result of plowing will be paid for at the Contract unit price for the pertinent temporary marking item, as determined.

104.11 Temporary Pavement Markings

2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS

104.12 Drums for Maintenance of Traffic

of the damaged drums shall be provided prior to payment for any replacement drums. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS CATEGORY 100 PRELIMINARY SECTION 104.12 — DRUMS FOR MAINTENANCE OF TRAFFIC

104.12.01 Description

Furnish, set, reset, maintain, and remove drums for maintenance of traffic.

104.12.02 Materials

Reflectorization 950.03 Plastic Drums QPL Drums may be manufacturer-certified as NCHRP Report 350 and/or MASH 2016 compliant as long as there are no attachments to the device. Drums shall be manufactured of low density polyethylene (LDPE), 36 in. in height, and have a diameter of at least 18 in. The drum shall have four, 6 in. wide horizontal, circumferential, alternating orange and white stripes, with the top stripe being orange. Drums may have one or more flat sides as long as the minimum 18 in. diameter is satisfied. Drums may include recycled plastic content. The drum base may contain up to 100 percent recycled content. Use high performance wide angle white and fluorescent orange sheeting on all drums.

104.12.03 Construction

Use sand-filled bases or bags of sand to keep the drums from moving. Install sandbags on the base of the drum only. Rubber or plastic bases or recycled tires, weighing between 20 lb and 40 lb, may be used as a substitute for sandbags. The Contractor’s name or identification mark may be neatly stenciled at the bottom of the nonreflective portion of the drum in letters no more than 2 in. high. No other markings or wording may be on the vertical side of the drum. Maintain drums in a new or like new condition. Replace drums damaged by traffic within four hours after notification. Damaged drums shall be recycled to the extent possible. The disposition