Agenda - Parks and Recreation Commission - 03/10/2005

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CASE UPDATE ON pERFORMANCE STANDARDS FOR TRAILS By: Leonard LintOn, Civil Engineer II Background: The construction of sidewalks and trails :at :the time of development has been a priority for several years. The requirements have been expanded in recent years to include requiring extension of trails along existing fight-of-ways to connect to existing trails or intersections. The proposed trail plan.s Varied in level of detail and considerable effort was often required to get dextelopers to provide adequate plans. Staff recognized this and forwarded performance standards to the public Works Committee in January 2005. The Public Works Committee forwarded their recommendations to the _full Council in February 2005. Observation: The following requirements were adopted as the minimum requirements for trails: Description Pavement Width Design SPeed Offset inside right-of-way Minimum horizontal curve Super elevation on horizontal curves Interval between 2% straight .cross slope area Shoulder Width adjacent to bituminous path Side slope, outside Recovery Zone( h:v maximum) Standard 10ft 20 mph 2ft 80 fi 2% < curve < 5% 50- 100 ft 2ft 4:1 Trails will be required on bOth sides ofall State, County and MSA roads. Trails that are adjacent to the development, shall be placed in a 14 foot wide trail easement inside the property line. Trail easements are not shown on the plat, they are recorded after the plat is filed. Trails outside the development shall be placed with the edge of pavement two feet inside the right-of-way line. ~ Sidewalks will be required On both .sides of main arterial roads in medium and high density developments. Trails shall be constructed within two feet of the property line where feasible and within two feet of the right-of-way line where it-is not feasible to be inside the property line. 33