20__batwing_Specs_Neal_Smith.pdf

This is a Requirement Specification document for the procurement of a rotary mower/cutter equipment to be delivered to Neal Smith National Wildlife Refuge in Prairie City, Iowa. The equipment must meet specific performance and design criteria for vegetation management operations at the refuge.

The mower must have a minimum cutting width of 20 feet with adjustable cutting height from the tractor cab and the capacity to cut vegetation up to 4 inches in diameter. The equipment is specified as a pull-type implement with a maximum transport width of 11.2 feet, minimum six laminated puncture-proof foam-filled tires, and a maximum total weight of 7,700 pounds. Power requirements specify a maximum of 125 horsepower continuous per wing with 250 horsepower total continuous capacity, with a minimum blade tip speed of 272 feet per second at 1,000 RPM. The mower must include standard safety features such as front and rear safety chain shields, an SMV sign, and a tongue jack. Additional required specifications include a Category 6 main driveshaft with constant-velocity joint and overrunning clutch, heavy-duty round stump jumpers, self-leveling clevis hitch, 7-gauge steel deck with dome-shaped smooth top, 5-inch blade overlap, 3-circuit hydraulic system, and a minimum 5-year gearbox warranty. Delivery must be provided to the station's requested location on ground level without requiring station personnel to lift, move, or transport the equipment. On-site orientation and machine hook-up services of up to 4 hours are to be provided. The station contact is Scott Gilje at 515-994-3401 or 641-521-1227.