Street Design Manual

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27 3.2.5 B - Alley, Residential (Private)

Residential alleys can provide access to accessory housing units and rear-entry parking, as well as provide a location for utilities and services such as garbage removal if built to street standards to support those types of vehicles. They vary in total width from 16 to 20 feet. Alleys can also provide shortcuts for pedestrians and cyclists. Because of their relatively low traffic volumes and vehicle loads, Residential Alleys often can accommodate GSI practices such as permeable pavement and alternative curb systems . Mixed Use Alleys provide access to service entrances, loading docks and garages as well as providing a location for utilities and garbage. They vary in width from 20 to 24 feet, depending on whether they are one-way or two-way. Due to their relatively low traffic volumes and vehicle loads, Mixed-Use Alleys often can accommodate GSI practices such as permeable pavement and alternative curb systems . The primary internal access drive type can be applied to the main entrances of major developments set back from roads such as malls, corporate offices, and high-volume strip centers. It provides pedestrian and vehicular access as well as design flexibility for future retrofits (such as infill development adjacent to this street). This type is typically applied to a private easement within a property, though may be converted to future public use as part of a grid-reliant infill and redevelopment opportunity. Sidewalks are required on both sides of the street. Primary Internal Access Drives are conducive to use of GSI practices including street trees in grated wells and curbside bioretention, bioretention in curb extensions/bump-outs, and permeable pavement for sidewalks and in parking areas that are not part of the travel lanes. Pedestrian Passageways are off-limits to motorized vehicles and provide additional pedestrian and bicycle connectivity through medium and large blocks. They may be used in any context. The type may also be applied to standalone greenways and shall be constructed of a durable material to facilitate pedestrian movements and are dedicated as public access easements. The addition of a pedestrian passage permits an increase in minimum block perimeter as per Section 8.3.2 B 3 of the UDO. Pedestrian Passageways are well-suited for incorporating permeable pavement as a GSI practice. Stormwater infrastructure: In accordance with UDO Section 8.6.5, the City may reimburse a developer for stormwater infrastructure C. Improvements that are over and above improvements needed for the development to comply with any ordinance or regulation. The following D. Improvements may be eligible for reimbursement:

28 3.2.5 C - Alley, Mixed-Use (Private)

30 3.2.6 A - Primary Internal Access Drive

31 3.2.6 B Pedestrian Passage

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Article 5.4 Reimbursements - Improvements Eligible for Reimbursements