ITEM 1 – Automated Flagger Assistance Device (AFAD) GENERAL: These specifications intend to describe an Automated Flagger Assistance Device. The Automated Flagger Assistance Device (AFAD) described here is a towable, trailer-mounted traffic control system that replaces or supplements human flaggers in temporary, single-lane, two-way work zones. It is designed to improve worker safety, ensure driver compliance, and meet MUTCD standards for temporary traffic control. The unit shall be the current production model. The manufacturer’s printed literature shall be submitted with the bid. The AFAD shall meet the minimum specifications (unless stated otherwise) as follows: Automated Flagger Assist Device (AFAD) Towable trailer traffic control device with mechanical gate arm, mast-mounted elevating dual red and yellow signal lights, regulatory “STOP HERE ON RED” sign with wireless and wired controller for each unit. Compliant with: # Manual for Uniform Traffic Control Devices (MUTCD) 2023, and # FCC Part 15 Class. Dimensional limits: # Transport/towing height: 96” maximum # Deployed maximum width – gate arm up: 64” excluding stabilizer jack handles. # Deployed maximum width – gate arm down, primary gate only: 108” Operating range: Minimum 1000 ft range from the wireless remote control to the AFAD trailer. Support: Technical & parts support based in the U.S.A. Operating Configurations: AFAD units shall be equipped and capable of operation in these configurations: # As a pair controlled by one person using one wireless controller in either “one-way” mode, where only one signal/gate arm is allowed to be open; or in “haul-road” mode, where both signals/gate arms are operable to open or close together, with mode selectable from the wireless remote controller. # As individual independent units, each controlled by a person, each using a wireless controller or wired controller. Transport / Towing # Units configured to be transported as a towed trailer, by either: o Towing 1 AFAD with one tow vehicle o Towing 2 AFAD units with 1 tow vehicle as a tandem hitch # Maximum rated towing speed: ≥ 65 mph Trailer # Double eye leaf spring suspension # Tongue weight is 10% of trailer weight # Drawbar: removable with adjustable height hitch mounting # Hitch to be a cast steel locking straight coupler, 2” diameter ball, 5000 lb. rated capacity, and include locking linchpin. # 7-pin round RV electric plug # Bolt on fenders # LED combination stop, turn, taillights, and amber reflectors on the side. # 15” diameter tires # Jacks: side-wind hand crank, rotate-up for transport, with attached ground pad, all field-replaceable. o 1 – drawbar mounted o 1 – each corner of the unit Signal Head / Mast # Signal head mounted on an extendable mast with a single auto-locking device to hold the mast in transport or fully raised position # 12” lens LED lights heads equipped with tunnel-type hoods # Black backing panel surrounding signal head # All wiring for mast-mounted components is enclosed within the mast in a wire loom. # R10-6 24”x36” “STOP HERE ON RED” sign to be attached to the mast, removable without tools, so that it is raised with the signal head. Gate Arm # Hinged, Spring-loaded horizontal breakaway, gate section height 3” min. # Two-section construction: o Primary/base arm section attached to actuator with one bolt and remains installed for secure transport. o Secondary arm section doubles gate length to 84” by attaching to the free end of the primary section for optional use where space allows. o Secondary section to telescope into base or connect to primary section with tool-less means. o Secondary section to be provided with a cradle mount on AFAD for secure transport. # Gate arm fitted with a minimum of 3 steady burn red LED warning lights wired and synced with the red signal light. Light assemblies are equally spaced along the length of the gate arm, with a quick connection between primary/secondary arm wire harnesses. # Gate arm face has retroreflective conspicuity tape in an alternating red/white pattern. # 24x24 orange-red flag vinyl flag to be provided to attach to and hang from the free end of the primary gate arm if used alone, or the secondary gate arm if used, with toolless hardware.
