Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 1097 — REFLECTORS
Illinois Standard Specifications for Road and Bridge Construction, Section 1097. Full text, cross-references and related pay items on BuildSpec.
Reflectors Art. 1097.02 1121 Minimum Specific Intensity (candelas/footcandle (candelas/lux)) Color Incidence Angle 0º 20º Crystal 1.0 (0.09) 0.4 (0.04) Amber 0.6 (0.06) 0.2 (0.02) The marker color(s) shall be as specified in the plans. SECTION 1097. REFLECTORS 1097.01 General. Reflectors shall meet the following criteria and shall be on the Department’s qualified product list. Reflectors shall be constructed of methyl methacrylate (acrylic) plastic and shall have a smooth face free of cracks and checks. The rear surface of the lens shall provide reflectivity by a prismatic configuration such…
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