10-08-08 Council Agenda - Laserfiche WebLink

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Regenerative air street sweepers use gutter btvoms to move debris hom the curb into the path of the sweeper head. The regenerative air process blows air into one end of the sweeper head and onto the pavement dislodging materials. The other end of the sweeper head has a suction hose that vacuums up the materials and deposits it into a hopper. The air is then ee-circulated back through the system to the sweeper head, which is a distinctly different operation from a pure vacuum system. per Mead ~: /~ [1lltti ~l Water must be used to "knock" the dust and small particles out of the air and into the hopper or they will be pulled through the fan and cause wear on the impeller Regenerative Air Sweepers Functionality: limitations: Examples*: Can remove tine sand and silt, but Debris is limited to diameter of air out Allianz RT 655 surface must he Ury hose Elgin Crosswind Ability to pick-up materials entrained Difficulty in picking up wet/mattetl Elgin Fury A8000 A9000 Schwarze A7000 within cracks leaves , Tymco 435 Can have a larger than average hopper Particles that do not get picked-up are Tymco 600 & 500 Can have vacuum hose attachment spread across the street surface sometimes making the street look dirty Hopper Capacity: (i.e. catch hasins) or streaked 4.0 - 9.6 cubic yards Regenerative head reaches up io eight feet in width Requires more power than mechanical Dump Style: broom sweepers; noise may be a Rear Tilt consideration Side Multi-level Should be used in above freezing Rear Mid•Levei temperatures only Rear Raker More elticient operation on flat Addresses: pavement surface ~t Water Quality ~u Air Quality U/ Appearance e5 Safety Roadway Maintenance Clean up local Road Research Board: FeUruary 200a 29 doge G of 18 Regenerative Air Sweepers Air Out Gutter Brooms