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21'x8"or 2'x10"Lumber <br />2'x81'or2'x10"Lumber <br />ALTERNATE TYPE INSTALLATION (DEMOUNTABLE) <br />2" x 9' or 2" x 19' Lumber <br />or h" (Min. l x 10 Ga. Metal <br />7 <br />2"x8" or 2"x1(7'Lumber <br />or 71" (Min.) x 10 Ga. Metal <br />2' x 6" Wood Frame <br />S ah Frame to be weighted <br />�+ down with sandbags only. <br />ALTERNATE TYPE INSTALLATION (RIGID) <br />4 <br />Standard "ROAD CLOSED" sign <br />furnished the contractor and to <br />be placed where shown. <br />TYPICAL INSTALLATION SHOWING FIXED AND RIGID BARRICADES <br />2" x 9' or 2" x 10" Lumber <br />/ or 71" (Min. ) x 10 Ga. Metal <br />4" x 4" Wood Posts or <br />4f/ft (Min.) Metal Posts <br />torches or approved type <br />electric flashers <br />CLASS I BARRICADES <br />Standard "ROAD CLOSED" sign <br />furnished the contractor and to <br />be Qlaced where shown. <br />1 Variable4l' max. <br />maxi I \ I <br />TYPICAL INSTALLATION SHOWING RIGID BARRICADES <br />2'x8"ort"x19'Lumber <br />or 71" (Min.) x 10 Ga. Metal <br />2' x 6" Wood Frame <br />ALTERNATE TYPE INSTALLATION (DEMOUNTABLE) <br />CLASS II BARRICADES <br />ALTERNATETYPE INSTALLATION (RIGID) <br />70 Min 3'-4'-5'-6'-8' <br />q4 -4,Z <br />GENERAL NOTES <br />The contractor shall construct, place and maintain barricades as shown on the drawing and as required <br />by the Standard Specifications or applicable Special Provisions. <br />CLASS 1 BARRICADE: <br />Class 1 Barricades shall be of variable length as indicated, and long barricades shall be assembled from <br />these units. The Class 1 Barricade is the type normally required for major operations, where the <br />barricade will remain in place for extended periods. Class 1 Barricades shall be used at points where the <br />road is closed to traffic. Gates or movable sections of a barricade shall be provided when necessary, for <br />access of equipment or other authorized vehicles. <br />Wing Barricades are Class 1 Barricades erected on the shoulder on one or both sides of the pavement to <br />give Traffic the perceptive effect of a narrowing or restricted roadway. The ends closest to traffic of all <br />three members of a wing barricade shall be in a vertical line. If used in a series, they should start at <br />the outer edge of the shoulder and be brought progressively closer to the pavement. Wing Barricades may <br />be used as a mounting for the advance warning or guide signs or for flashers. When used on two-way <br />roadways, the back of the wing barricade shall be painted reflectorized white. <br />CLASS 11 BARRICADE: <br />Class 11 Barricades may be used only where the hazard to traffic is relatively small, and for the more <br />2' x 6" Wood Frame or less continuous delimiting of a restricted roadway, or for temporary daytime use. <br />MATERIAL & FABRICATION: <br />Lumber shall be of a grade structurally sound and sufficiently rigid to satisfactorily support and maintain <br />the purpose and intent of a barricade facility. <br />Frame to be weighted Metal shall be sufficiently rigid to satisfactorily support and maintain the purpose and intent of a <br />down with sandbags only. barricade facility. <br />The fabrication of the barricade shall be in accord with good pertinent woodworking and metalworking <br />practices. <br />All lumber or timber dimensions stated are nominal. <br />PAINTING: <br />All barricades shall be painted in alternate 4" or 6" black and white stripes at a 450 angle. The <br />width of stripe shall be consistent for each complete barricade installation. <br />Black stripes shall be painted with weather resistant and durable black paint. White stripes shall be <br />primed, followed by two coats of white reflectorized paint or reflective wide angle sheeting. <br />DIRECTION OF DIAGONAL STRIPES: <br />Where a barricade extends entirely across the roadway with no vehicle access provision, the stripes <br />shall slope downward toward the highway centerline. <br />Where vehicle access is permitted, the stripes shall slope downward in the direction toward which <br />vehicles must turn in detouring. <br />Where both right and left turns are provided for, the stripes shall slope downward in both directions <br />from the center. <br />The stripes on wing barricades shall point downward toward the roadway. <br />LIGHTING: <br />Lighting devices for barricades shall conform to the requirements of the Standard Specifications. <br />MEASUREMENT & PAYMENT: <br />Lights shall be open flame All barricades, unless otherwise provided for in the plans and/or special provisions shall be furnished, <br />torches or approved type placed, and maintained as noted above, and no additional compensation will be allowed but shall be <br />electric flashers construed to be included in the price bid for other items. <br />14 Ga. High Tensile Alternate black &white <br />Strength Steel Frame stripes. See General Notes <br />for direction of stripes <br />4" or 6" but consistant <br />for each barricade / <br />installation <br />/ 45° <br />Maximum length of combination <br />panels 16' <br />ALTERNATE TYPE INSTALLATION (DEMOUNTABLE) <br />TYPICAL DIAGONAL STRIPES <br />Applies to all Classes & Types <br />of Barricades <br />Plate No. 7-4.1.5 <br />