Mixers and Mixer Control Panels

The Missouri Department of Transportation (MoDOT) Southwest District is seeking competitive bids for the purchase and installation of four new Sharpe N-Series Helical Drive Top-Entering Mixers, or approved equivalents. The mixers will be installed on tanks at the Joplin Maintenance Facility and the Springfield Maintenance Facility. The scope of work includes the installation of mixer control panels with timers, as well as mixer start-up services. Key specifications for the mixers include a 3.00 horsepower motor, a parallel helical gearbox, and a stainless steel shaft. • The mixers must be designed to handle a viscosity of 1 cps and a temperature of ambient. • The tanks have a volume of approximately 10,000 gallons and a minimum liquid level of 25”. • The mixers must be installed off-center, with a 24” mounting. • The motor must be UL rated, Division 1, Class 1, Group D, and Class 2 Groups F & G. • The mixer drive must be a parallel helical gearbox, rated at 9.39 horsepower.