Truck Mounted Attenuator 2.1. Design 2.1.1. The attenuator shall have progressively collapsing modular components which can be replaced in successive stages depending on impact severity for lowest repair costs and easy parts replacement. 2.1.2. The attenuator must prevent potential vehicle pocketing at the non-cushioned truck support region 2.1.3. Impact cartridges shall prevent intrusion of moisture and the interior material of the cartridges must not deteriorate if exposed to water 2.1.4. Positioning of the attenuator from the travel mode to deployed mode shall be accomplished hydraulically with a self-contained power unit having controls located both in the truck cab and at the rear of the truck. 2.1.5. Power unit must receive electrical power through the electrical connection with the truck 2.1.6. The attenuator’s electrical system must be heavy duty, pre-manufactured, and preset 2.2. Accessories 2.2.1. Four (4) jacks with wheel(s) (support when detached) 2.2.2. Support brackets for retention of the attenuator in transport mode 2.2.3. Quick attachment feature to allow easy connect/disconnect from the truck without bolting 2.2.4. A 48” x 96” arrow board, WANCO or TRAFCON with 25 Par46 LED Lamps and 12 preset patterns shall be provided and permanently installed on the truck-mounted attenuator 2.2.4.1. Arrow board shall have a powered raise/lower feature and a weather-tight controller included 2.2.5. All identification lighting, reflective tape and other standard safety features to be included Trailer Mounted Attenuator 3.1. Design 3.1.1. The attenuator shall have progressively collapsing modular components which can be replaced in successive stages depending on the impact severity for lowest repair costs and easy parts replacement. 3.1.2. The attenuator must be sufficiently wide to prevent potential vehicle pocketing at the non-cushioned truck support region 3.1.3. Attenuator design must includean anti-rotation system 3.1.4. Impact cartridges shall prevent intrusion of moisture and the interior material of the cartridges must not deteriorate if exposed to water
