Pesticide Spray Truck 1. Overview The Department of Transportation’s desire is to utilize a tank mixed pesticide application unit with computer flow-control. This unit shall be capable of independent pattern control of an eight pattern Nutating Spray Head with a two (2’) foot to thirty-two (32’) foot wide no streak pattern. The flow-control system shall utilize all factory systems. 2. Equipment a. One (1) truck of sufficient size to legally haul all required equipment and supplies: truck bed for sufficient size to accommodate sprayer(s). All equipment shall be in accordance with Section 4, Subsection A, General Equipment Requirements. b. This work will require a 1000-gallon or larger capacity truck mounted sprayer. The tank will be equipped with mechanical or hydraulic agitation. A high volume - low pressure pump powered by a minimum twelve (12) horsepower engine, in sound mechanical condition with working factory muffler system and a pump to engine pulley ratio producing a system capable of discharging the required quantity of spray mixture at the specified pressure. c. All plumbing shall be assembled to function as recommended by the nutating spray head manufacturer and the computer flow-control system manufacturer. d. Unit to be equipped with a sprayer control system capable of; automatically maintaining application rate, a vehicle speed sensor which is either connected to the vehicle speedometer or a radar type sensor, a minimum of eight separate boom widths; two different application ratios and a manual setting for spot spraying.
