FP-96 English Version - Eastern Federal Lands Highway Division

Section 718.) TRAFFIC SIGNING ANDMARKING MATERIAL718.01 Retroreflective Sheeting. Conform to ASTM D 4956, except theminimum coefficients of retroreflection for brown type I sheeting shown inASTM D 4956 Table 1, Type I Sheeting, are amended as follows: 2.0 candelaper footcandle per square foot at 0.2 degree observation angle and -4 degreeentrance angle, 1.0 candela per footcandle per square foot at 0.2 degree observationangle and +30 degree entrance angle and at 0.5 degree observation angleand -4 degree entrance angle, and 0.5 candela per footcandle per square footat 0.5 degree observation angle and +30 degree entrance angle.Conform to ASTM D 4956 Supplemental Requirement S1, Fungus Resistance,if specified. For reboundable retroreflective sheeting, conform to ASTM D4956 including Supplemental Requirement S2, Reboundable SheetingRequirements.Types of retroreflective sheeting are as follows:(a) Type I. Medium-intensity sheeting with enclosed lens glass-beads.(b) Type II. Medium-high-intensity sheeting with enclosed lens glass-beads.(c) Type III. High-intensity sheeting with encapsulated glass beads or prismaticmaterial.(d) Type IV. High-intensity sheeting with unmetallized microprismaticelements.(e) Type V. Super-high-intensity sheeting with metallized microprismaticelements.(f) Type VI. Elastomeric high-intensity sheeting with vinyl microprismaticmaterial.When an adhesive is used, use ASTM D 4956 backing class 1, 2, or 3.750