a part of the signs to which they are attached when fabricated under the same contract. If the exit panels are made for separate installation, only one roll splice is allowed on the entire sign. Overlap splices on sheet signs will be allowed only because of insufficient sheeting width on signs whos e smaller dimension exceeds 48 in. The overlap splice shall be installed in a shingle type manner using a horizontal lap. The lap width shall be a minimum of 1/4 in. Butt splices shall not be used. Roll splices are allowed on 20 sheet signs but shall not exceed one splice per sign. All signs shall be packed for shipment and handled during construction in accordance with the manufacturer’s recommen dations. All sign or sign face damaged prior to acceptance shall be replaced or repaired. Damaged sheet signs shall be replaced in their entirety. Damaged panel signs shall have the affected panels replaced or repaired in accordance with th e manufacturer’s recommendations. Repaired areas on panel signs shall not be larger than 3 in. by 3 in. Repaired areas 1 in. by 1 in. or less shall be limited to a maximum of three per panel and a maximum 30 of six per panel sign. Repaired areas larger than 1 in. by 1 in. shall be limited to one per panel and a maximum of three per pane l sign. The maximum number of repaired areas shall be three on a panel or six on a panel sign. No more than 20% of the total number of panel signs may be patched. Pa nels with sheeting cracked at the bend around the panel edge shall be replaced. A sign with the metal face damaged greater than superficial deformation shall be replaced. Digital printed signs shall have transparent and opaque durable ink as 40 recommended by the manufacturer. Digital printed colors shall have a warranty life of the base reflective sign sheeting. Digital ap plied colors shall present a smooth surface, free from the foreign material, bubbles, blemishes, streaks or spotted areas, and all messages and borders shall be clear and sh arp. Digital printed signs shall meet the daytime color and luminance, and night time color requirements of ASTM D4956. Overlapping of colors will not be allowed. All digital printed signs shall be from an integrated system including reflective sheeting, durable inks, and clear overlay film all from the same manufacturer applied to aluminum substrate in accordance with 919.01(a)1. 50 Only digital printers recommended by the manufacturer of the reflective sheeting shall be used. Finished digital printed signs shall have a UV-protective clear overlay applied to the entire face of the signs. Overlay shall be part of an integrated component system as recommended by the reflective sheeting manufacturer. On temporary construction signs digitally printed with black ink only, the protective overlay film is optional. 919.01 1143
Fabrication, including cutting and punching of holes but excluding holes for demountable copy, shall be completed prior to surface treatment. Material shall be cut to size and shape and shall be free from bu ckles, warp, dents, cockles, burrs, and defects resulting from fabrication. The surface shall be a plane surface. Metal sign base material shall be cleaned and prepared to receive the sheeting material in accordance with the shee ting manufacturer’s recommendation.
accordance with ASTM B209, all oy 5052H38, or alloy 6061-T6.
The minimum thickness of the sheet sha ll be as shown for the appropriate sign width. Width, in. Thickness, in. Up to 30 0.080 31 to 60 0.100 61 and Over 0.125
Backing material for temporary ground mounted signs shall be aluminum, steel, fiberglass, reinforced plastic, or plywood, unless otherwise approved. 2. Panel Signs 80 Extruded aluminum panels shall be in accordance with ASTM B221, alloy 6063- T6, and be 12 in. in width. Extruded aluminum panels shall be flat and straight within tolerances established by the aluminum industry. The weight for panels shall be 2.48 lb/ft. Trim molding shall be of the same material and thickness as the panels to which it is attached. Panel bolts, flat washers, and lock-nuts shall be in accordance with ASTM B211, alloy 2024-T4. Panel bolts shall be 3/8 in. by 3/4 in. standard hex head. Lock-nuts 90 shall be standard hex head.
If demountable letters, numbers, or symbols are used, the backing material shall be 0.040 in. thick aluminum sheets in accordance with ASTM B209, alloy 3003-H14. Borders shall be 0.032 in. thick aluminum sheet in accordance with ASTM B209, alloy 6061-T6.
Only sheeting materials from the QPL of Reflective Sheeting shall be used for 100 919.01 1144 Type IV through Type X sheeting. Type IV or higher sheeting shall be used for all sheet signs except as specified herein. For contracts let on or after September 1, 2020, Type VIII or higher reflective sheeting shall be used for sheet signs with a red background color and Type XI sheeting shall be used for all panel signs. Type XI highway sheeting shall be from the QPL of Reflective Sheeting or from a manufacturer that has complete test results from the PEAS showing that the ASTM D4956 minimum requirements have been met. A Type C certif ication in accordance with 916 shall be provided for Type XI sheeting. The sheeting type for the sign copy and border shall be the same type or higher than the sheeti ng type used for the background. Reflective sheeting materials will be placed and maintained on the QPL in accordance with 110 ITM 806, Procedure H. A non-prorated manufacturer’s written warr anty against delamination, blistering, discoloration, or 15% or greater loss of retro-reflectivity compared with the minimum initial ASTM D4956 value, shall be provided to, and in favor of, the Department by the reflective sheeting manufacturer. The warr anty shall cover a period of 10 years.
For contracts let on or after September 1, 2019, Type IV or higher white and fluorescent orange reflective sheeting shall be used for drums utilized on interstate routes and ramps. For contracts let on or after September 1, 2020, Type IV or higher white and fluorescent orange reflective sheeting shall be used on all drums, tubular markers, vertical panels, and 42 in. cones. Type V or higher reflective sheeting shall be used on delineators, except for 130 barrier delineators which shall be Type III or higher.
Reboundable reflective sheeting shall be used on plastic drums, flexible delineator posts, and other flexible channelizers. The reflective sheeting shall include an adhesive backing Class 1 or Class 2 in accordance with ASTM D4956.
sheeting shall not incorporate optical elements. The color sh all be black in accordance with SAE-AMS-STD-595, color No. 17038.
Transparent sheeting shall be a mate rial recommended by the background sheeting manufacturer. 919.01 1145
Letters, numbers, and symbols may be demountable. 150 The reflective sheeting shall be of the same type as used on the background and mechanically applied to the properly prepared aluminum in a manner prescribed by the sheeting manufacturer. Each demountable legend unit, supplemental panel, and border frame shall be supplied with mounting holes and shall be secured to the sign face with aluminum rivets with aluminum mandrels. Adhesives that, when removed, may damage the sign face, legend unit, or border shall not be used to hold the unit in place. (d) Fasteners 160
accordance with ASTM A307, grade A. Carbon steel hardware shall be galvanized in accordance with ASTM F2329. Lo ck washers and hex nuts shall be used in lieu of the lock-nuts when carbon steel hardware is furnished. The bolts shall be 5/16 in. by 3 in. hex head, full threaded. The steel flat washers shall be size no. 1/4, 0.738 in. outside diameter, 0.317 in. inside diameter, and 0.051 170 to 0.08 in. thick and in accordance with Military Specifications MS 15795-811. Nylon flat washers shall be 7/8 in. outside diameter, 0.317 in. inside diameter, and shall be 0.032 in. thick. 2. Panel Signs and Temporary Panel Signs The aluminum post clips shall be in accordance with ASTM B26 or ASTM B108, alloy 356.0-T6 and as shown on the plans. Aluminum post clip bolts shall be as shown on the plans and in accordance with ASTM B211, alloy 2024-T4. Lock-nuts shall be in accordance with ASTM B211, alloy 2017- T4. Flat washers shall be in accordance with ASTM B209, alloy Alclad 2024-T4. 180
Aluminum rivets shall be determined by character size and shape but shall not be more than 8 in. on center. All rivets shall be color matched to the legend or supplemental panel being installed. (e) Basis for Use A Type C certification in accordance with 916 shall be provided for the traffic signs and components except those used for temporary construction signs, temporary traffic signs, and temporary panel signs. 190 919.01 1146