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<td>Emeryville, CA</td> | <td>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> | ||
</tr> | </tr> | ||
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<td> | <td> | ||
*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> | ||
<tr> | <tr> | ||
<td>Markham and Oakville, Ontario, Canada; Burnaby MetroTown Development Area, British Columbia, Canada</td> | <td>Markham and 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> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
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*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> | ||
<tr> | <tr> | ||
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*8.5 cu.m. | *8.5 cu.m. | ||
*(300 c.f.) to 12.75 cu.m. (450 c.f.) of soil per tree | *(300 c.f.) to 12.75 cu.m. (450 c.f.) of soil per tree | ||
− | *17.0 cu.m. (600 c.f.) to 25.5 cu.m. (900 c.f.) per tree for trees with shared volume*Optimal planting medium depth 900mm (36in.). Minimum planting medium depth of 760mm (30in.) will be accepted where 900mm is not feasible.</td> | + | *17.0 cu.m. (600 c.f.) to 25.5 cu.m. (900 c.f.) per tree for trees with shared volume |
+ | *Optimal planting medium depth 900mm (36in.). Minimum planting medium depth of 760mm (30in.) will be accepted where 900mm is not feasible.</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
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<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) = 20’x20’x3’ = 1,200 c.f.*Large trees (Greater than 50’ height or spread) = 30’x30’x3’ = 2,700 c.f.</td> | + | *Medium trees (Less than 50’ height or spread) = 20’x20’x3’ = 1,200 c.f. |
+ | *Large trees (Greater than 50’ height or spread) = 30’x30’x3’ = 2,700 c.f.</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
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*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>[[category:table]]</noinclude> | <noinclude>[[category:table]]</noinclude> |
Examples of jurisdictions with minimum tree soil volume requirements
Link to this table.
Jurisdiction | Minimum tree soil volume |
---|---|
Kitchener, Ontario, Canada |
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Emeryville, CA |
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Toronto, Ontario, Canada |
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Markham and Oakville, Ontario, Canada; Burnaby MetroTown Development Area, British Columbia, Canada |
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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 |
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Winnipeg, Manitoba, Canada, Tree Planting Details and Specifications, Downtown Area and Regional Streets |
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Denver, CO | Internal standard: 750 c.f. of soil volume per tree |
University of Florida Extension Recommendations (Urban Design for a Wind Resistant Forest) |
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Minnesota B3 Guidelines |
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