Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 1072 — EMERGENCY VEHICLE PRIORITY SYSTEM
Illinois Standard Specifications for Road and Bridge Construction, Section 1072. Full text, cross-references and related pay items on BuildSpec.
Controller Art. 1073.01 999 The transmitter shall not generate voltage transients on the battery input line which exceed the battery voltage by more than 4 V. (c) Light Detector. The detector shall be capable of receiving high intensity light energy from one or both of two axially opposed directions, as indicated on the plans. The internal circuitry of a detector unit shall be potted in a semi-flexible compound for moisture resistance. The standard operating amperage shall be less than 6 A. Internal circuitry shall prevent electrical output due to steady state ambient light. The confirmation…
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