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
104.14 Cones for Maintenance of Traffic
anchor collars weighing 10 lb to 30 lb. Replace cones damaged by traffic within four hours or as directed after being notified. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS CATEGORY 100 PRELIMINARY SECTION 104.14 — CONES FOR MAINTENANCE OF TRAFFIC
104.14.01 Description
Furnish, set, reset, maintain, and remove cones for maintenance of traffic.
104.14.02 Materials
Reflectorization 950.03 Cones QPL Cones may be manufacturer-certified as NCHRP Report 350 and/or MASH 2016 compliant as long as there are no attachments to the device. All cones shall meet MdMUTCD and be new or like new condition. All cones shall be orange in color. Cones shall be at least 28 in. high, 10 in. diameter at the inside of the base, and reflectorized with two white retroreflective stripes. The top stripe shall be 6 in. wide and located 3 in. to 4 in. from the top of the cone. The second stripe shall be 4 in. wide and located 2 in. below the top band. Tall-Weighted Cones. When specified, tall-weighted cones shall be at least 42 in. high and 7 in. diameter at the inside of the base. Tall-weighted cones shall be manufactured of low density polyethylene (LDPE) and have four high performance wide angle white and orange retroreflective stripes. The stripes shall be horizontal, circumferential and 6 in. wide. Alternate stripe colors with the top stripe being orange. Any non-retroreflective spaces between the orange and white stripes shall not exceed 1/2 in.
104.14.03 Construction
The Contractor’s name or identification mark may be neatly stenciled at the bottom of the cone in a maximum of 2 in. high letters. Place no other markings or writings on the vertical area of the cone. Turn the cone so that the Contractor’s name or identification mark faces away from traffic. Equip all cones with approved weights or anchor collars (15 lb maximum) as needed to maintain an upright position. Anchor collars shall fit to the base of the cone. For tall-weighted cones use