Opening of Bids - One (1) or More New Positive Displacement Hydro-Excavating Machine w Tandem Axle Cab Chassis Spec H - Brown Equipment Co.

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The filter house shall contain a removeable and washable filter element. Manufacturer to supply most current air filtration design. The vacuum system shall operate independently and/or simultaneously of the water pump system. It shall be capable of variable operating ranges and be powered by the truck chassis engine. A vacuum/pressure gauge shall be supplied at the operator's station. An internal boom valve shall be supplied and operated from the operator's station and remote pendent. Valve shall be capable of completely stopping all airflow to build an instantaneous 16" Hg within the debris body. The valve shall also be capable of quickly opening to create an immediate updraft. Blower Drive: Chassis driven directly through a continuous duty transfer case. Any YES NO bidder wishing to bid an alternatively driven blower may do so with a detailed explanation of the system and the benefits to be received by the City of South Bend from the use of such a system. All bidders must include detailed diagrams of blower drive system being bid. Central Services personnel will review the systems bid for reliability and ease of service. The results of this review will be used as a part of the overall evaluation of the units bid. Vacuum There shall be a warning light and audible alarm when the hose is YES NO System Pick raised from the travel position. Up Hose: Rotation, extension, and lift shall be controlled hydraulically at the operator's station by means of a "joy -stick' and by a portable pendant control that can operate all boom functions including the internal boom valve. Pendent control shall have a quick disconnect and be able to reach beyond the extended boom in any direction. For operator safety, a vacuum shut off switch shall be provided at the operator station that will instantly cut off vacuum air flow and reduce engine RPM to idle. Unit will also include an emergency stop system at every operator interface/control station. The boom shall be mounted at the rear portion of the debris body with a minimum 320' rotation providing full coverage of the potential work area. The boom shall rotate right and left a minimum of 270 degrees. Boom shall reach to the side a minimum of 23' from the center of the truck and raise to a minimum height of 25' .