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DRAFT Arborist Report—Chashmawala Residence HortScience I Bartlett Consulting
<br /> 4108 Foothill Road, Pleasanton Page 8
<br /> surveys should be conducted prior to tree work. Qualified biologists should be involved in
<br /> establishing work buffers for active nests.
<br /> 8. Apply and maintain 4-6" of wood chip mulch within the TREE PROTECTION ZONE. Keep
<br /> wood chips a minimum of 2-3'from the trunk of the tree.
<br /> Recommendations for tree protection during construction
<br /> 1. Prior to beginning work, the contractors working in the vicinity of trees to be preserved
<br /> are required to meet with the Consulting Arborist at the site to review all work procedures,
<br /> access routes, storage areas and tree protection measures.
<br /> 2. Any excavation within the dripline or other work that is expected to encounter tree roots
<br /> should be approved and monitored by the Consulting Arborist. Roots shall be cut by
<br /> manually digging a trench and cutting exposed roots with a sharp saw. The Consulting
<br /> Arborist will identify where root pruning is required and monitor all root pruning activities.
<br /> 3. If injury should occur to any tree during construction, it should be evaluated as soon as
<br /> possible by the Consulting Arborist so that appropriate treatments can be applied.
<br /> 4. Fences have been erected to protect trees to be preserved. Fences define a specific
<br /> TREE PROTECTION ZONE for each tree or group of trees. Fences are to remain until all site
<br /> work has been completed. Fences may not be relocated or removed without permission
<br /> of the Consulting Arborist.
<br /> 5. Construction trailers,traffic and storage areas must remain outside fenced areas at all
<br /> times.
<br /> 6. All underground utilities, drain lines or irrigation lines shall be routed outside the TREE
<br /> PROTECTION ZONE. If lines must traverse through the protection area, they shall be
<br /> tunneled or bored under the tree as directed by the Consulting Arborist.
<br /> 7. No materials, equipment, spoil, waste or wash-out water may be deposited, stored, or
<br /> parked within the TREE PROTECTION ZONE (fenced area).
<br /> 8. Any additional tree pruning needed for clearance during construction must be performed
<br /> by a qualified arborist and not by construction personnel.
<br /> 9. Any herbicides placed under paving materials must be safe for use around trees and
<br /> labeled for that use. Any pesticides used on-site must be tree-safe and not easily
<br /> transported by water.
<br /> 10. Any roots damaged during grading or construction shall be exposed to sound tissue and
<br /> cut cleanly with a saw.
<br /> 11. If temporary haul or access roads must pass over the root area of trees to be retained, a
<br /> road bed of 6"of mulch or gravel shall be created to protect the soil. The road bed
<br /> material shall be replenished as necessary to maintain a 6"depth.
<br /> Maintenance of impacted trees
<br /> Trees preserved at the 4108 Foothill site will experience a physical environment different from
<br /> that pre-development.As a result, tree health and structural stability should be monitored. A
<br /> Homeowner Guide to Care of Oaks is provided in Exhibits. Occasional pruning, mulch and pest
<br />nia Fish
<br /> and Wildlife code 3503-3513 to not disturb nesting birds. To the extent feasible tree
<br /> pruning and removal should be scheduled outside of the breeding season. Breeding bird
<br />the trees are growing on an undeveloped lot,which affects the site and contribution
<br /> ratings.
<br /> Page 11 of 12
<br /> Planning Commission
<br /> Page 6 of 12
<br />neer;
<br /> b. Show construction vehicles and equipment parking area, materials storage, temporary
<br /> fencing, construction trailer location, and construction contractors/workers parking
<br /> area.
<br /> P19-0059 Planning Commission
<br /> Page 5of12
<br />-0059 Planning Commission
<br /> Page 4 of 12
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<br /> o 0.05 0.1 mi P19-0140, 1809 Santa Rita Rd. Suite A & B, Hill
<br /> Planning Division
<br /> , i i July 30,2019
<br /> FL£ NTON.
<br /> o 280 560 Feet
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