m |
m |
||
Line 56: | Line 56: | ||
<td>[http://www.winnipeg.ca/publicworks/forestry/documents/Principles_and_Guidelines.pdf Winnipeg, Manitoba, Canada], Tree Planting Details and Specifications, Downtown Area and Regional Streets</td> | <td>[http://www.winnipeg.ca/publicworks/forestry/documents/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 | + | *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> | ||
<tr> | <tr> | ||
<td>[http://www.denvergov.org/Portals/747/documents/forestry/PlanReviewChecklist.pdf Denver, CO]</td> | <td>[http://www.denvergov.org/Portals/747/documents/forestry/PlanReviewChecklist.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> | ||
<tr> | <tr> | ||
Line 69: | Line 69: | ||
<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) | + | *Large trees (Greater than 50’ height or spread) = 2,700 c.f.</td> |
</tr> | </tr> | ||
<tr> | <tr> |
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 |
|