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South Broad Street Corridor Plan - the City of San Luis Obispo

South Broad Street Corridor Plan - the City of San Luis Obispo

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<strong>South</strong> <strong>Broad</strong> <strong>Street</strong> <strong>Corridor</strong> Area <strong>Plan</strong> – PC Hearing Draft February 2012<br />

Tree Guards. Tree guards should extend vertically from tree grates to protect trees in highly active areas.<br />

To relate to o<strong>the</strong>r site furnishings, tree guard bars should be narrow and vertical and should be attached to<br />

<strong>the</strong> tree grate. Welds should not be visible. Tree guards should be about four (4) feet in height with<br />

openings varying in diameter according to tree species.<br />

Figure 4.6 Installation showing tree guard<br />

Landscape <strong>Plan</strong>t Materials. Ground landscaping in <strong>the</strong> public right-<strong>of</strong>-way, including shrubs and<br />

ground covers, shall be selected with consideration <strong>of</strong> site-specific conditions, such as shade, wind,<br />

moisture, drought tolerance, and soils.<br />

Bioretention Areas. Bioretention areas should be incorporated along roads and open space where room is<br />

available. Bioretention areas capture and temporarily store stormwater and allow for higher pollutant<br />

removal close to <strong>the</strong> source <strong>of</strong> <strong>the</strong> water. In addition to <strong>the</strong>ir stormwater management benefits,<br />

bioretention areas contribute aes<strong>the</strong>tic value to <strong>the</strong> street by adding vegetation and color to streetfronts.<br />

Figure 4.7 Examples <strong>of</strong> bioretention areas<br />

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