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SECTION 4. BITUMINOUS TRAIL MAINTENANCE PRACTICES <br /> There are several different categories of bituminous trail maintenance techniques, <br /> summarized as: <br /> Crack filling — Patching <br /> Seal-coating or Slurry-sealing — Overlay <br /> Chip sealing — Reconstruction <br /> Each of these pavement maintenance practices have been employed for Ramsey"s <br /> trails—with 1.5" overlay's determined to be the most cost effective and frequent annual <br /> maintenance activity,with patching occurring in isolated locations as needed each year. <br /> The table below from ACI Asphalt & Concrete of Maple Grove, MN provides a typical <br /> life cycle for bituminous trail maintenance (aciasphalt.com). <br /> 'Asphalt trail pavements, like most <br /> infrastructure,has a life cycle. They start Stage 1 i New Pavement ( -4 Years) <br /> out new, they age, and eventually they <br /> Little or no maintenance required, sealeoatin , crack <br /> ealin <br /> decline to the point where they need to <br /> be replaced. How long pavement lasts Stage : Initial Preventive Maintenance Phase <br /> depends on a variety of factors, ( — Years) <br /> p Y Typical maintenance procedures: <br /> including how well they are constructed *Sealcoating, crack sealing, patching <br /> initially, the weather, shade and <br /> standing water, the amount of use Stage ; Minor Repairs and Continued <br /> and—most importantly—how well they Preventive Maintenance (5-15 Years) <br /> Typical maintenance procedures: <br /> are maintained. A well-constructed trail Patch repairs, crack sealing,seal coating <br /> can last 20 years or more'. <br /> Stage 4: Major Repairs 'I —. ear <br /> Typical maintenance procedures: <br /> A trail overlay at Ramsey's Trail Extensive patching repairs,asphalt overlay <br /> Maintenance Policy goal of generally <br /> Stage <br /> around the 15-20 year interval may � Extensive Repairs or Complete <br /> Y Y Reconstruction 0- 0 Year ) <br /> extend the useful life of the trail to 40 Typical maintenance procedures: <br /> years or more before needing a Major repairs throughout the property or complete removal <br /> complete reconstruct. and replacement of the asphalt <br /> Excellent <br /> Very Good <br /> Gaud <br /> Poor <br /> Failed <br /> Stag: 1 Stage 2 StageStage 4 Stage <br /> 4 <br />