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
104.12 Drums for Maintenance of Traffic
specified in 104.12.03 is required prior to payment. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS
104.12.04 Measurement and Payment
Drums for Maintenance of Traffic will be measured and paid for once at the Contract unit price per each. The payment will be full compensation for all material, labor, equipment, tools, and incidentals necessary to complete the work. Where drums have been set and damaged by traffic and the Engineer determines that they are not repairable, replacement will be measured and paid for at the Contract unit price. A disposition as
104.13 Barricades for Maintenance of Traffic
CATEGORY 100 PRELIMINARY SECTION 104.13 — BARRICADES FOR MAINTENANCE OF TRAFFIC
104.13.01 Description
Furnish, set, reset, maintain, and remove barricades for maintenance of traffic.
104.13.02 Materials
Reflectorization 950.03 Barricades QPL Barricades shall conform to NCHRP Report 350 and/or MASH 2016 criteria for Test Level 3.
104.13.03 Construction
Use barricade rails conforming to the MdMUTCD, with a minimum rail length of 5 ft. Use approved reflective sheeting and installation procedures. Replace barricades damaged by traffic within four hours after notification. Mount signs so that no more than half of the top two rails or one third of the barricade is covered. Mount signs on the barricade so that the bottom of the sign is at least 12 in. above the ground or surface. The bottom of rectangular signs shall not be mounted higher than the bottom of the top rail. Do not use aluminum signs.
104.13.04 Measurement and Payment
Barricades will be measured and paid for once at the Contract unit price per each for the pertinent barricade item specified in the Contract Documents. The payment will be full compensation for warning lights (when required), the maintenance and removal of any required warning lights, and for all material, labor, equipment, tools, and incidentals necessary to complete the work. Where barricades have been set and damaged by traffic, and the Engineer determines that they are not repairable, replacement will be measured and paid for at the Contract unit price. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS