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General

033104.06 — Tubular Markers

MD · 2025 Standard SpecificationsBook pages 164164View official source ↗

104.06 Tubular Markers

CATEGORY 100 PRELIMINARY SECTION 104.06 — TUBULAR MARKERS

104.06.01 Description

Furnish, install, and remove tubular markers for maintenance of traffic.

104.06.02 Materials

Tubular Markers QPL Reflectorization 950.03 Tubular Markers may be manufacturer-certified as NCHRP Report 350 and/or MASH 2016 compliant as long as there are no attachments to the device.

104.06.03 Construction

Install tubular markers as recommended by the manufacturer and as approved by the Engineer.

104.06.04 Measurement and Payment

Tubular Markers will be measured and paid for at the Contract unit price per each. The payment will be full compensation for removal and for all material, labor, equipment, tools, and incidentals necessary to complete the work. Tubular markers damaged due to traffic operations will be measured and paid for at the Contract unit price per each for Replacement of Tubular Marker Mast. If the base detaches from the pavement, replace the entire tubular marker assembly at no additional cost to the Administration, unless damaged by Administration snow removal operations. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS

104.07 Arrow Panel (Ap)

2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS CATEGORY 100 PRELIMINARY SECTION 104.07 — ARROW PANEL (AP)

104.07.01 Description

Furnish and place APs for temporary use.

104.07.02 Materials

Arrow Panel QPL

104.07.03 Construction

At least 24 hours before use, furnish and test the arrow panel (AP). The AP shall be self-contained, vehicle-mounted or portable. Use a self-contained trailer unit unless otherwise specified. If a full matrix display board is used as an AP, it shall comply to this specification and it shall be able to display a left arrow, right arrow, double arrow, and a four-corner caution mode per the Arrow Panel tables. Elements. The AP unit shall conform to the Arrow Panel tables and be arranged with double- pointed arrow configuration capable of displaying a left arrow, right arrow, double arrow, and a four-corner caution mode. A sequential chevron, sequential arrow and single bar caution panel shall not be displayed. ARROW PANEL UNIT MdMUTCD TYPE Portable A, D Vehicle Mounted B Self-Contained Trailer C Arrow Board Type Minimum Size Minimum Legibility Distance Minimum Number of Elements A 48 in. x 24 in. 1/2 mile 12 B 60 in. x 30 in. 3/4 mile 13 C 96 in. x 48 in. 1 mile 15 D None* 1/2 mile 12 ∗Length of arrow equals 48 in., width of arrowhead equals 24 in.

Source: Maryland Standard Specifications for Construction and Materials, 2025 Edition. Pages 164164 of 1,113.