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− | <Font size=3>'''Examples of jurisdictions with minimum tree soil volume requirements<br>'''</font size | + | <Font size=3>'''Examples of jurisdictions with minimum tree soil volume requirements<br>'''</font size> |
Link to this [[Examples of jurisdictions with minimum tree soil volume requirements|table]]. | Link to this [[Examples of jurisdictions with minimum tree soil volume requirements|table]]. | ||
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− | <td>Kitchener, Ontario, Canada</td> | + | <td>[https://www.kitchener.ca/en/strategic-plans-and-projects/urban-forestry.aspx Kitchener, Ontario, Canada]</td> |
<td> | <td> | ||
− | *Large stature trees (≥24” diameter at maturity): 1589 c.f for single trees; 1059 | + | *Large stature trees (≥24” diameter at maturity): 1589 cubic feet (c.f) for single trees; 1059 c.f. for trees sharing soil volume; 530 c.f. allowable shared soil volume |
− | *Medium Stature trees: (≥16” diameter at maturity): 989 c.f for single trees; 653 | + | *Medium Stature trees: (≥16” diameter at maturity): 989 c.f for single trees; 653 c.f. for trees sharing soil volume; 336 c.f. allowable shared soil volume |
− | *Small stature trees: (≥8” diameter at maturity): 600 c.f for single trees; 389 | + | *Small stature trees: (≥8” diameter at maturity): 600 c.f for single trees; 389 c.f. for trees sharing soil volume; 212 c.f. allowable shared soil volume |
− | *For all boulevards where trees are planted, the minimal soil depth will be 450 mm (17.7 inches), and all other soil habitat zones (public/private front lawn, cul de sac, active parkland) will be 900 mm.*Where soil | + | *For all boulevards where trees are planted, the minimal soil depth will be 450 mm (17.7 inches), and all other soil habitat zones (public/private front lawn, cul de sac, active parkland) will be 900 mm. |
+ | *Where soil habitat zones (e.g. boulevard and front lawn) must be connected to achieve the required soil volumes, root pathways or Silva Cells will be used to provide a functional connection between the two areas.</td> | ||
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− | <td>Emeryville, CA</td> | + | <td>[https://www.ci.emeryville.ca.us/336/Street-Trees Emeryville, CA]</td> |
<td> | <td> | ||
− | *600 cubic feet (17 cubic meters) for a small tree 900 cubic feet (25 cubic meters) for a medium tree *1200 cubic feet (34 cubic meters) for a large tree | + | *600 cubic feet (17 cubic meters) for a small tree |
+ | *900 cubic feet (25 cubic meters) for a medium tree | ||
+ | *1200 cubic feet (34 cubic meters) for a large tree | ||
*50 percent credit for planting areas under adjacent paving using 100% planting soil with Silva Cell or similar products. </td> | *50 percent credit for planting areas under adjacent paving using 100% planting soil with Silva Cell or similar products. </td> | ||
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*30 cubic meters (1059 cubic feet) of soil per tree | *30 cubic meters (1059 cubic feet) of soil per tree | ||
− | *20 cubic meters(706 cubic feet) per tree for trees with shared volume *Minimum 0.9 m (3’) and maximum 1.2 m (4’) depth</td> | + | *20 cubic meters(706 cubic feet) per tree for trees with shared volume |
+ | *Minimum 0.9 m (3’) and maximum 1.2 m (4’) depth</td> | ||
</tr> | </tr> | ||
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− | <td>Markham and Oakville, Ontario, Canada; Burnaby MetroTown Development Area, British Columbia, Canada</td> | + | <td>[https://www.markham.ca/wps/wcm/connect/markham/7d35061f-4e1e-4482-a871-2bddc29b4475/t4t-streetscape-manual.pdf?MOD=AJPERES&CONVERT_TO=url&CACHEID=ROOTWORKSPACE.Z18_2QD4H901OGV160QC8BLCRJ1001-7d35061f-4e1e-4482-a871-2bddc29b4475-msiKGom Markham] and [http://www.deeproot.com/blog/blog-entries/soil-volume-minimum-for-street-trees-established-in-oakville-on Oakville], Ontario, Canada; Burnaby MetroTown Development Area, British Columbia, Canada</td> |
<td> | <td> | ||
− | *30 cubic meters (1059 cubic feet) of soil per tree *15 cubic meters (530 cubic feet) per tree for trees with shared volume </td> | + | *30 cubic meters (1059 cubic feet) of soil per tree |
+ | *15 cubic meters (530 cubic feet) per tree for trees with shared volume </td> | ||
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− | <td>Calgary, Alberta, Canada</td> | + | <td>[https://www.calgary.ca/content/dam/www/pda/pd/documents/urban-development/publications/landscape-construction-2021.pdf Calgary, Alberta, Canada]</td> |
<td>Provide for a volume of soil suitable for a 25 year tree life span, this is approximately 14 cubic meters [494 c.f.) for a single tree. An additional 7 cubic meters [247 c.f.] of soil is required for each additional tree in interconnected plantings</td> | <td>Provide for a volume of soil suitable for a 25 year tree life span, this is approximately 14 cubic meters [494 c.f.) for a single tree. An additional 7 cubic meters [247 c.f.] of soil is required for each additional tree in interconnected plantings</td> | ||
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− | <td>Langley, British Columbia, Canada</td> | + | <td>[https://vancouver.uservoice.com/forums/56390-gc-2020/suggestions/869323-mandatory-soil-volume-requirements-for-street-tree Langley, British Columbia, Canada]</td> |
<td> | <td> | ||
*Zoning Bylaw requires 10 cubic meters (353 cubic feet) of growing medium per tree planted in hard surfaced parking lots on private developments. | *Zoning Bylaw requires 10 cubic meters (353 cubic feet) of growing medium per tree planted in hard surfaced parking lots on private developments. | ||
*Subdivision and Development Servicing Bylaw requires 10 cubic meters (353 cubic feet) of growing medium per tree (generally street trees) | *Subdivision and Development Servicing Bylaw requires 10 cubic meters (353 cubic feet) of growing medium per tree (generally street trees) | ||
− | *growing medium defined as screened, weed free, composted soil mixed according to BC Landscape Standards for the intended use and confirmed with a soil analysis report. *In hardscape environments, street trees are expected to be planted using structured supports such as Silva Cell to achieve the expected growing volume </td> | + | *growing medium defined as screened, weed free, composted soil mixed according to BC Landscape Standards for the intended use and confirmed with a soil analysis report. |
+ | *In hardscape environments, street trees are expected to be planted using structured supports such as Silva Cell to achieve the expected growing volume </td> | ||
</tr> | </tr> | ||
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− | <td>Winnipeg, Manitoba, Canada, Tree Planting Details and Specifications, Downtown Area and Regional Streets</td> | + | <td>[https://winnipeg.ca/publicworks/parksopenspace/urbanforestry/PDF/Principles_and_Guidelines.pdf Winnipeg, Manitoba, Canada], Tree Planting Details and Specifications, Downtown Area and Regional Streets</td> |
<td> | <td> | ||
− | *8.5 | + | *8.5 cubic meters |
− | *(300 c.f.) to 12.75 | + | *(300 c.f.) to 12.75 cubic meters (450 c.f.) of soil per tree |
− | *17.0 cu.m. (600 c.f.) to 25.5 | + | *17.0 cu.m. (600 c.f.) to 25.5 cubic meters (900 c.f.) for 2 trees with shared volume |
+ | *Optimal planting medium depth 900 mm (36in.). Minimum planting medium depth of 760 mm (30in.) will be accepted where 900 mm is not feasible.</td> | ||
</tr> | </tr> | ||
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− | <td>Denver, CO</td> | + | <td>[https://www.denvergov.org/content/dam/denvergov/Portals/747/documents/forestry/forestry-plan-review-checklist.pdf Denver, CO]</td> |
− | <td>Internal standard: 750 c.f. of soil volume per tree</td> | + | <td>Internal (city) standard: 750 c.f. of soil volume per tree</td> |
</tr> | </tr> | ||
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− | <td>University of Florida Extension Recommendations (Urban Design for a Wind Resistant Forest)</td> | + | <td>[https://hort.ifas.ufl.edu/woody/documents/EP309.pdf University of Florida Extension Recommendations] (Urban Design for a Wind Resistant Forest)</td> |
<td> | <td> | ||
*Small trees (shorter than 30’) = 10’x10’x3’ = 300 c.f. | *Small trees (shorter than 30’) = 10’x10’x3’ = 300 c.f. | ||
− | Medium trees (Less than 50’ height or spread) | + | *Medium trees (Less than 50’ height or spread) = 1,200 c.f. |
+ | *Large trees (Greater than 50’ height or spread) = 2,700 c.f.</td> | ||
</tr> | </tr> | ||
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− | <td>Minnesota B3 Guidelines</td> | + | <td>[https://www.b3mn.org/guidelines/ Minnesota B3 Guidelines]</td> |
<td> | <td> | ||
*Small trees (e.g. serviceberry) = 400 c.f. | *Small trees (e.g. serviceberry) = 400 c.f. | ||
*Medium trees (e.g. ironwood) = 800 c.f. | *Medium trees (e.g. ironwood) = 800 c.f. | ||
− | *Large trees (e.g. hackberry) = 1,200 c.f.If using structural soils, total soil volumes above need to be multiplied by 5 to obtain equivalent volume of soil useable by the tree.</td> | + | *Large trees (e.g. hackberry) = 1,200 c.f. |
+ | If using structural soils, total soil volumes above need to be multiplied by 5 to obtain equivalent volume of soil useable by the tree.</td> | ||
</tr> | </tr> | ||
</table> | </table> | ||
− | <noinclude>[[ | + | <noinclude> |
+ | [[Category:Level 2 - Case studies and examples/Examples]] | ||
+ | [[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Trees, tree trench, tree box]] | ||
+ | [[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Soil and soil properties]] | ||
+ | [[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Media, compost, and media amendments]] | ||
+ | </noinclude> |
Examples of jurisdictions with minimum tree soil volume requirements
Link to this table.
Jurisdiction | Minimum tree soil volume |
---|---|
Kitchener, Ontario, Canada |
|
Emeryville, CA |
|
Toronto, Ontario, Canada |
|
Markham and Oakville, Ontario, Canada; Burnaby MetroTown Development Area, British Columbia, Canada |
|
North Vancouver Lonsdale Street Guideline, British Columbia, Canada | 15 cubic meters (530 cubic feet) per tree for trees with shared volume |
Calgary, Alberta, Canada | Provide for a volume of soil suitable for a 25 year tree life span, this is approximately 14 cubic meters [494 c.f.) for a single tree. An additional 7 cubic meters [247 c.f.] of soil is required for each additional tree in interconnected plantings |
Langley, British Columbia, Canada |
|
Winnipeg, Manitoba, Canada, Tree Planting Details and Specifications, Downtown Area and Regional Streets |
|
Denver, CO | Internal (city) standard: 750 c.f. of soil volume per tree |
University of Florida Extension Recommendations (Urban Design for a Wind Resistant Forest) |
|
Minnesota B3 Guidelines |
|
This page was last edited on 3 August 2022, at 13:03.