HomeMy WebLinkAboutCouncil Presentation 07/14/2020-Update to Street StandardsUpdate to Street Standards
Keith Brann, Town Engineer
July 14, 2020
Street Standards update
Street infrastructure is a requirement to subdivide land.
The Town has had standards and/or guidelines for
street design since 1990.
An update to the street standards and new standard
detail is being sought for large lot rural developments
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Relevant regulations
ARS 9-463.02 "Subdivision" means ………., or, if a new street is
involved, any such property which is divided into two or more lots,
tracts or parcels of land, or, ……..
ARS 9-463.01U For any subdivision that consists of ten or fewer lots,
tracts or parcels, each of which is of a size as prescribed by the
legislative body, the legislative body of each municipality may
………..waive or reduce infrastructure standards or requirements
proportional to the impact of the subdivision. Requirements for
dust-controlled access and drainage improvements shall not be
waived.
Marana Ord 2006.09 follows state law in creating a simplified process
and infrastructure requirements for subdivisions of 10 lots or fewer
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Current Subdivision Street Standards
•Normal subdivision street
•May also include
curbway
•May be public or private
•3” Asphalt over 4”
Aggregate base
•Subdivisions with 10 lots
or fewer
•Minimum lot size 36,000sf
•May be public or private
•3” Asphalt over 4”
Aggregate base
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Standard detail 100-1
Standard detail 100-6
Proposed Ranchette standard
•Rural lifestyle
•Private Use only
•4” Aggregate or
6” Soil Cement
•Maintains
minimum Fire
code
requirements
•Increased dust
•Increased
maintenance
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Proposed Standard detail 100-7
Proposed Ranchette requirements
Applicability
•Private street
•Subdivisions of Ten or fewer lots
•Minimum lot size of 144,000sf
•Ten lots maximum
•Maximum anticipated ADT of
100
•Dead end street
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Future Requirements
•Dust Control/Air Quality
•Upgrade to higher standard
Next Steps
•Incorporate Council direction
•Solicit stakeholder feedback
•Return to Council for Adoption
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