Tree Inventory, Preservation & Planning Report · 2019. 3. 15. · Tree Inventory, Preservation & Planning Report . Trent Research and Innovation Park (TRIP) Peterborough, ON . Prepared

Tree Inventory, Preservation & Planning Report Trent Research and Innovation Park (TRIP)

Peterborough, ON

Prepared for: Brook Mcllroy 200-161 Spadina Ave Toronto, Ontario Prepared by: Andrew Smit ISA Certified Arborist Municipal Specialist Certified Tree Risk Assessor (TRAQ, QTRA) April 2017 Treescape Consulting Project TC255-01

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Treescape Certified Arborists (TC255-01)

Introduction

Treescape Consulting was instructed by Brook Mcllroy, 200-161 Spadina Ave, Toronto, Ontario, to undertake a Tree Planning and Preservation Report on trees, larger shrub masses and hedges within and adjacent the boundaries of the proposed Tremt Research & Innovation Park development site located on Pioneer Road in Peterborough, Ontario. The work plan for the tree inventory and preservation plan included the following:

Utilize site plans provided by the client

Assess the physiological and structural condition of the trees as compartments and/or any individual trees as appropriate.

Record the assessment in the form of a written report identifying the surveyed tree compartments and/or individual trees on the supplied plan

Make recommendations to remove and/or retain any trees or tree compartments within the context of approved site development.

The schedule below includes the assessment of trees along the whole entire 85 acres parcel and adjacent naturalized areas to the west identified as above as numbered compartments and individual significant tree . The appended plan TC255-01 identifies the locations of the individual trees and tree compartments. Plan TC255-02 shows removals and tree protection to be read in conjunction with Table 2 below.

As per the City of Peterborough's Unit Price Supplemental Information General Conditions for the protection of trees and shrubs, the specifications for tree protection zones and barrier fencing is as detailed in Appendix 1 (OPSS 801.07.02). Supporting Documents

Trent Research & Innovation Park Master Plan, dated January 2017, Brook Mcllroy and DM Wills.

2017-02-23_Street Plan Plan of SD with Background, Brook Mcllroy (PDF)

Plan of SD with Base Overlay, SP1 & 2, dated April 20, 2017, Brook Mcllroy (DWG)

0420 section updates, dated April 20, 2017, Brook Mcllroy (PDF)

Overall Site Grading Plan, 10739-FSR_FIG, dated April 20, 2017, DM Wills (PDF)

Limitations of Assessment At the time of inspection, the boundary of the land forming the proposed development site was not staked or identified on the ground and thus it was difficult to determine the boundary of the area. The assessments of the trees summarized in this report were made using accepted arboricultural techniques. These included a visual examination of all the above ground parts of the trees for structural defects, scars, external indications of decay such as fungal fruiting bodies, evidence of attack by insects, discoloured foliage (if in leaf), the condition of any visible root structures, the degree and direction of lean (if any), the general condition of the trees and the surrounding site, the proximity of property and people and the frequency of use. Except where specifically noted, the trees were not cored, probed or climbed and there was no detailed inspection of the root crowns involving excavations. Notwithstanding the recommendations and conclusions made in this report, it must be recognized that trees are living organisms, and their health and vigour constantly change over time. They are not immune to site changes or seasonal variations in the weather conditions. Although every effort has been made to ensure that the assessments were accurate, the trees must be re-assessed periodically. The summary of the assessments presented in this report were valid at the time of inspection.

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Existing Site Conditions The proposed TRIP development site is an 85 acre parcel of land located in the northeast corner of Peterborough on the north side of Pioneer Road between the eastern boundary of Trent University's East Bank campus and Douro 9th Line. The entire proposed development site is situated on four large plots of agricultural land. The entire area is bordered by, and subdivided by a combination of hedgerows, naturalized areas and small groupings of individual specimen trees. Tree resources within and adjacent to the development area include:

Southwest boundary along Pioneer Road - large row of middle mature Eastern White Cedars (since removed). Remaining boundaries to the east and north comprise of large farm hedgerows containing mixed species of primarily

mature hardwoods with an under-storey of smaller tree and shrub species. The four farm fields are divided by 3 large farm hedgerows containing mixed species of primarily mature hardwoods with

an under-storey of smaller tree and shrub species. The area to the west of the development area abuts a low lying and wet naturalized area with a concentration of

coniferous trees to the south and a mix of hardwoods in the central and northern portions of the area. The entire area has an under-storey of smaller tree and shrub species.

The initial survey began in mid December 2016. At that time, preparations for the reconstruction of Pioneer Road had begun with the removal of trees along both sides of the right of way which included nearly all vegetation along the south boundary of the development area (Eastern White Cedars).

Proposed Development The development of the Trent Research & Innovation Park will include an array of construction including, but not limited to;

construction of roads and related right-of-way infrastructure

construction of storm water ponds

extension of sanitary and other related services to individual lots

construction of a network of walking trails and paths

development of individual tenant sites This work has the potential to impact significantly upon the above and below ground parts of adjacent trees, hedges and larger shrub masses. As part of the design process an inventory and assessment has been undertaken of all significant trees, hedgerows and larger shrub masses that have above and below ground parts likely to be affected by the proposed works. The inventory is detailed in Table 1 (found below) which includes a key to terms used that may be supported and explained further by information in the appendices. The inventory was carried out in accord with the requirements set out by the City of Peterborough.

Results The results of the tree assessment are reproduced in Table 1 below. The detail includes the predominant species, upper and lower diameter range, average diameter at breast height (1.4m), approximate numbers of significant trees and overall condition (structural and physiological). The assessment includes all trees and compartments of trees within the development area. Table 2 identifies the development impacts upon the assessed compartments and makes recommendations for management within the context of development.

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Table 1 - Tree Inventory (TC255-01) Brook McILroy, Trent Research & Innovation Park, Remaining area

April 2015 Andrew Smit, Certified Arborist

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Tre

e ID

Tree Species

≈ N

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f St

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Age

Ran

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(Y, E

M, M

M, M

, MD

, D)

He

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(m)

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bh

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Avg

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Ove

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Comments


CP

T 1

Significant Trees

1-1 White Cedar 55 EM <10 varies 7-15 10 Good Healthy coniferous cluster

Scots Pine 17 EM <10 varies 7-20 15 Good

1749 American Elm 1 MM 13 6 - 35 Good

1750 Eastern Red Cedar 2 MM 7.5 2.5 23-17 20 Good Small cluster of 2 trees

1751 American Elm 1 MM 10.5 3 - 25.5 Good

1-5

White Cedar 100 Y-EM <10 varies 7-25 12 Good

Scots Pine 1 EM 5 2 - 22 Good

Eastern Red Cedar 2 Y 2 1 7-10 8 Good

1-6 White Cedar 15 Y-EM <6 varies 7-25 10 Good

1752 Green Ash 1 MM 16 7 - 47 Good Will likely succumb to EAB without proper treatment and should be considered for removal.

1-8 White Cedar 43 Y-MM <8 varies 7-25 10 Good

Trees <7cm Ø and shrubs White Cedar Eastern Red Cedar American Elm Manitoba Maple Balsam Poplar Buckthorn Downey Serviceberry Dogwood Chokecherry

CPT General Comments:

Located along western boundary of proposed development area

Large open grass area with individual and small clusters of trees scattered throughout compartment.

Trees in this area are predominantly White Cedar.

The individual Elm and Ash trees are nice specimens worth retaining

CP

T 2

Predominant Species Located adjacent the previous

compartment with a north/south orientation

Very rough field hedge row

No visibly significant specimens worth recording

Sparse understory with small clusters of Dogwood and grape vine throughout. Small clusters of Buckthorn located predominantly at south end of compartment

Compartment widens at north end into open grass area with thickets of varying Willow bush species

Ash will likely succumb to EAB without proper treatment and should be considered for removal.

Balsam Poplar 56 Y-MM 5-16 varies 7-40 25 Good

Meadow Willow 5 Y-EM 5-16 varies 7-30 20 Good

American Elm 20 Y-EM 5-16 varies 7-35 15 Good

Manitoba Maple 17 Y-EM 5-16 varies 7-30 15 Good

Green Ash 6 Y-EM 5-16 varies 7-50 20 Good

American Basswood 2 Y-EM 5-16 varies 7-25 16 Good

Silver Maple 1 MM 17 4 - 38 Good

White Cedar 1 EM 6 1 - 20 Good

Underbrush Willow shrubs Buckthorn Dogwood

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Tree Species

≈ N

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f St

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Age

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(Y, E

M, M

M, M

, MD

, D)

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(m)

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Comments


CP

T 3

Predominant Species Also located adjacent CPT1 at the

north end of proposed development site.

Both 3-1 and 3-2 are oriented SW-NE and are moderately thick wooded areas with scattered open grass areas throughout.

No visibly significant specimens worth recording .

Area 3-1 tends to be fairly concentrated with Elm trees predominantly in the SW portion of compartment. Underbrush is heavy with Poplar and Elm saplings.

Area 3-2 tends to be fairly concentrated with Balsam poplar trees predominantly along the eastern portion of compartment with a small cluster of Cedars at the northern most edge. Underbrush is heavy with varying species of Willow bushes and poplar saplings.


3-1


Meadow Willow 20 Y-EM 6-16 varies - 20 Good

Balsam Poplar 20 Y-EM 6-16 varies - 20 Good

3-2

Balsam Poplar 355 Y-EM 6-16 varies 7-25 15 Good

Willow 53 Y-EM 6-16 varies 7-34 10 Good

Green Ash 29 Y-EM 6-16 varies 7-25 15 Good


White Cedar 15 Y <10 varies - 10 Good

1753 Green Ash 2 EM 15 7 - 64 Good

Underbrush Willow shrubs Dogwood Buckthorn Burning-bush

CP

T 4

Significant Trees

1754 American Elm 2 EM 17 4 - 51 Good Dbh taken at root flare

1755 American Basswood 8 M 17 6 - 35 Good Cluster

1756 American Basswood 2 M 17 4 - 77 Good 1 treee - Dbh taken at root flare

1757 American Basswood 3 M 15 5 - 40 Good 2 trees - 3m apart



Understory (Predominant Species) CPT General Comments:

This area abuts the SE corner of CPT3-2 and runs along the northern boundary of the proposed development area.

Very rough field hedge row.

Basswood trees dominate the eastern portion of the area and tend to be in clusters of 3-6 stems.

Thick invasive understory of Buckthorn and grapevine is consistent along entire compartment. Dogwood

American Basswood 15 varies <10 varies 7-30 - Good

Poplar (Balsam & Aspen)

10 varies <10 varies 7-20 - Good

Ash 9 varies <10 varies 7-30 - Good

Meadow Willow 9 varies <10 varies 7-35 - Good

American Elm 8 varies <10 varies 7-25 - Good

Manitoba Maple 5 varies <10 varies 7-25 - Good

Wild Black Cherry 2 varies <10 varies - 20 Good

Wild Crab Apple 1 varies <10 varies - 25 Good

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Age

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(Y, E

M, M

M, M

, MD

, D)

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Comments


Underbrush Buckthorn Dogwood

clusters are located at the west end of the compartment.


CP

T 5

Significant Trees

1760 Manitoba Maple 4 EM 12 4 - 25 Good

1761 American Basswood 4 M 18 5 - 84 Good Dbh taken at root flare

1762 Green Ash 1 M 15 6 - 58 Good EAB threat

1763 American Basswood 1 M 17 4 - 33 Good

1764 American Basswood 3 M 17 5 - 38 Moderate

1765 American Basswood 3 M 19 5 - 90 Good Dbh taken at root flare


1767 American Elm 1 M 12 4 - 34 Good



1770 American Elm 1 M 20 6 - 43 Good

1771 White Ash 1 M 20 5 - 33 Good EAB threat




Compartment abuts the east end of CPT4 and runs north to south.

Very rough field hedge row.

Mature basswood trees tend to dominate this compartment and tend to be large clusters of multi-stem trees. There are pockets of Willow and Manitoba maple located at the northern end of the area.

Thick invasive understory of Buckthorn and grapevine is consistent along entire compartment.

There are numerous standing dead trees (predominantly Ash and Elm) throughout the hedgerow that should be considered for removal.


American Basswood 5 varies <10 varies 7-30 - Good

Manitoba Maple 10 varies <10 varies 7-25 - Good

Green Ash 5 varies <10 varies 7-25 - Good

American Elm 5 varies <10 varies 7-25 - Good

Sugar Maple 1 varies <10 varies - 20 Good

Underbrush Buckthorn

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≈ N

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Age

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(Y, E

M, M

M, M

, MD

, D)

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Comments


CP

T 6

White Cedar All trees in this compartment have been removed by the City of Peterborough to accommodate road

improvements along Pioneer Road.

CP

T 7

Predominant Species Located along southern boundary of development site running parallel with Pioneer Road

Large portion of compartment has been removed to accommodate road improvements.

Compartment consists primarily of middle mature Sugar Maples with a small concentration of Basswood at the east end.

Sugar Maple trees are worth retaining if possible.

Sugar Maple 15 Y-M 18 varies 10-50 Good

American Basswood 9 Em-Mm 18 varies 18-50 Good

Ash 1 Em 15 varies 24 Fair

Manitoba Maple 3 Y 8 varies 10 Fair

Underbrush Buckthorn (sporadic) Saplings of listed species

CP

T 8

Predominant Species Located adjacent the previous compartment orienting to the northeast.

Situated in a low wet area, this compartment comprises primarily of Manitoba Maple and Willow trees.

Willow 3 M 15 varies 50 Fair

Ash 1 Mm 15 varies 45 Fair

Manitoba Maple 20 Y-Mm 15 varies 10-40 25 Fair

American Elm 2 Mm 15 varies 30 Good

Underbrush Buckthorn Saplings of listed species

CP

T 9

Predominant Species Rough hedgerow located, and oriented, to the northeast of the previous compartment.

Numerous standing dead trees throughout the hedgerow that should be considered for removal.

CPT has a high concentration of Ash and Poplar.

Ash trees are most likely to succumb to the Emerald Ash Borer in the coming years.

Willow 2 Mm 17 varies 40 Fair

Poplar 25 Em 17 varies 7-38 20 Fair

Ash 33 Em 15 varies 10-27 15 Fair

American Basswood 9 Y-Mm 17 varies 7-45 25 Fair


Bur Oak 1 Y 10 varies 10 Good

Manitoba Maple 5 Em 15 varies 15 Fair

Underbrush Buckthorn (consistent throughout) Saplings of listed species

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, MD

, D)

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Comments


CP

T 1

0

Significant Trees

1710 Sugar Maple 2 M 17 8 90r.f. Good

1709 Sugar Maple 1 Em 14 4 26 Good


1711 American Basswood 7 Pm 19 10 130r.f. Fair Over mature tree with all stems originating at base. All stems orienting with heavy lean to the east. Southern most stem has large cavity with considerable decay from base to 6m.

1712 American Elm 1 Mm 17 5 49 Fair Large longitudinal crack on stem at 2m. Bulbous poor reaction wood, structurally compromised.


Large hedgerow orienting east-west dividing two farm fields

Numerous standing dead trees throughout the hedgerow that should be considered for removal.

CPT has a high concentration of Basswood and Ash.

Ash trees are most likely to succumb to the Emerald Ash Borer in the coming years.

Manitoba Maple 4 Mm 12 varies 35 Fair

Ash 13 Y-M 19 varies 10-63 40 Fair

Sugar Maple 6 Em-M 19 varies 12-90 30 Good

American Elm 3 Em-Mm 19 varies 15-49 25 Good

American Basswood 21 Y-M 19 varies 10-50 40 Fair

Black Cherry 2 Mm 12 varies 30 Fair

Mountain Ash 1 Em 10 varies 25 Fair

Underbrush Buckthorn (thick consistent and throughout) Saplings of listed species

CP

T 1

1

Significant Trees

1723 Manitoba Maple 2 Em 7 4 30r.f. Good Dogwood bush adjacent tree.

1724 Flowering Crab Apple 4 Mm 10 8 80r.f. Fair Tree is being overrun with Buckthorn and grapevine. Conflicts with Easement E

1725 Manitoba Maple 9 Em 10 7 10 Fair Cluster of Manitoba Maple stems. Dbh is combined measurement of stems

Ash 10 Y 8 2 10 Fair Cluster of 10 young Ash stems around rock pile

1726 Ash 1 Y 5 1 8 Fair

1727 American Elm 1 Em 7 2 13 Good

CPT General Comments: Compartment runs east to west parallel to and along property line. Majority of compartment consists of trees located on adjacent property to the east of TRIP lands and is situated in a low wet area. Trees consist mainly of Poplar and Willow species.

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≈ N

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(Y, E

M, M

M, M

, MD

, D)

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(m)

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Comments


CP

T 1

2

Predominant Species Boundary compartment running north-east parallel with Douro Road 9

Rough hedgerow consisting of predominantly young to early mature hardwoods in fair to good condition with numerous standing dead trees throughout CPT that should be considered for removal.

Some nice Sugar Maples located at the north end of CPT.

South-central section of CPT conflicts with development. Trees affected are undesirable and smaller Basswood, White Cedar and invasive Buckthorn.

American Basswood 100 Y 13 varies 10-35 15 Fair

Sugar Maple 25 Y-Em 13 varies 10-30 20 Good

Ash 7 Y 13 varies 10-20 15 Fair

American Elm 5 Em 13 varies 10-22 15 Good

Black Cherry 3 Em 13 varies 20 Fair

Eastern White-Cedar 20 Y-Em 13 varies 15 Good

Flowering Crab Apple 1 Y 13 varies 15 Fair


Bur Oak 1 Em 13 varies 15 Good

Balsam Fir 1 Em 13 varies 15 Good

Underbrush Buckthorn Dogwood Saplings of listed species

CP

T 1

3

Significant Trees

1728 American Basswood 1 M 20 8 47 Fair Tree had a co-dominant stem that has failed in the past. Stem has significant lean to the south. Tree conflicts with proposed street.

1729 American Basswood 4 M 18 8 95r.f. Good


Boundary compartment oriented east-west located between CPT 12 & 14.

Rough hedgerow consisting of primarily young to mature Basswood trees in fair condition with other hardwoods dispersed throughout.

Numerous standing dead trees throughout CPT that should be considered for removal.


Sugar Maple 18 Y-Mm 19 varies 10-50 30 Good

American Elm 3 Mm 19 varies 15-65 40 Good

Ironwood 3 Em 15 varies 15 Good

Hackberry 3 Em 15 varies 15 Good

Ash 4 Em-Mm 15 varies 15-30 20 Fair

Black Walnut 1 Em 15 varies 16 Good

Underbrush Buckthorn (thick throughout) Saplings of listed species

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Tree Species

≈ N

o. o

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Age

Ran

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(Y, E

M, M

M, M

, MD

, D)

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CP

T 1

4

Significant Trees

1718 American Basswood 1 M 10 5 43 Fair Tree on 50° lean towards proposed trail and roadway. Significant cavity and decay at base of stem.

1719 Balsam Poplar 1 Pm 16 6 42 Moribund Significant dieback throughout entire crown

1720 Balsam Poplar 1 M 17 6 37 Good

1721 Balsam Poplar 1 Mm 15 4 27 Poor Dead top, tree will decline

1722 American Elm 1 Mm 15 9 37 Good


North south orientation abutting CPT 15

Separates 2 farm fields

Rough hedgerow consisting of primarily Basswood, Poplar and American Elm.



American Elm 16 Y-Mm 17 varies 7-20 15 Good

Ash 6 Y-Em 17 varies 10-22 15 Fair

Sugar Maple 3 Em 17 varies 20-29 25 Good

Poplar 22 Y-Mm 17 varies 10-45 25 Fair

Underbrush Buckthorn Grapevine Saplings of listed species

CP

T 1

5

Significant Trees

1715 American Basswood 4 Mm 13 6 20 Good Cluster Dbh - 30/10/15/15/23


1717 Sugar Maple 3 Mm 15 6 63r.f. Good On footprint of proposed Street A. Consider shifting proposed street to the north west by 10m

1713 American Elm 1 Mm 16 4 33 Good Grape vine invading the tree. Area surrounded by buckthorn and scrubby Manitoba Maple. Controlling of grapevine and pruning tree will be necessary if tree is preserved.

1714 American Elm 1 Mm 16 5 34 Good Grape vine invading tree. Area surrounded by Buckthorn and scrubby Manitoba Maple. Controlling of grapevine and pruning tree will be necessary if tree is preserved.

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Age

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(Y, E

M, M

M, M

, MD

, D)

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(m)

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Comments


CP

T 1

5 (

con

t'd

)


Continuation of CPT 14 to the south.

Also separates 2 farm fields.

Middle section of CPT is scrub brush

numerous standing dead trees throughout CPT





Manitoba Maple 9 Y-Em 14 varies 10-25 15 Fair

Flowering Crab Apple 4 Mm 14 varies 25 Good

Black Cherry 1 Em 14 varies 15 Good

Sugar Maple 5 Em-Mm 14 varies 7-55 15 Good

Underbrush Buckthorn Dogwood Sumac (primarily north end) Saplings of listed species

CP

T 1

6

Significant Trees


1735 American Basswood 6 M 18 9 105r.f. Fair Significant decay on south side of base of tree. Stems on east side of cluster are leaning towards the east. Primary inclusion of these stems is not solid.


Rough hedgerow orienting east-west

Large concentration of Aspen and Basswood at west end of CPT

Numerous standing dead trees throughout CPT

Prickly ash concentration at east end and Dogwood at the west end


Sugar Maple 6 M 18 varies 15-40 25 Good

American Basswood 31 Em 18 varies 10-50 30 Fair

American Elm 4 Mm 14 varies 20-35 25 Good

Ash 6 Y-Mm 14 varies 8-47 30 Fair


Poplar 50 Y-Em 16 varies 8-25 15 Fair

Underbrush Buckthorn Prickly Ash (east end) Dogwood (west end) Saplings of listed species

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Age

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(Y, E

M, M

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, MD

, D)

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Comments


CP

T 1

7

Predominant Species Adjacent CPT 13 and continues to the west.

Sparse hedgerow with heavy concentration of young to middle mature Manitoba Maple and American Elm in the western section of CPT

Numerous standing dead trees throughout CPT that should be considered for removal Ash will likely succumb to EAB without proper treatment and should be considered for removal.





Sugar Maple 2 Y 12 varies 8-10 10 Good

Poplar 13 Y 12 varies 8-42 25 Fair


CP

T 1

8

Significant Trees

1730 Sugar Maple 1 M 17 5 68 Fair Bulbous longitudinal joint along primary inclusion of main stem from base to 2 m. Barbwire fence included within the inclusion.


1732 Sugar Maple 2 Mm 12 5 50r.f. Good


Very rough boundary hedgerow on lands adjacent to TRIP site.

Thick with Buckthorn, Aspen and Basswood.

American Basswood 4 Y-Em 15 varies 10-30 20 Fair

Trembling Aspen 11 Y-Em 15 varies 15-35 20 Fair


American Elm 1 Em 15 varies 18 Good

Underbrush Buckthorn (thick throughout)

CP

T 1

9

Predominant Species Boundary compartment on lands adjacent to TRIP site continuing south from CPT 18

contains mix of hardwoods including Sugar Maple.



Ash 5 Em-Mm 18 varies 15-50 25 Fair

Manitoba Maple 4 Em 18 varies 10-22 15 Fair

American Elm 3 Em-Mm 18 varies 22-43 35 Good


Page 12



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≈ N

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Age

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(Y, E

M, M

M, M

, MD

, D)

He

igh

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(m)

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Comments


CP

T 2

0

Predominant Species Boundary compartment on lands adjacent to TRIP site

Oriented east-west.

Consisting primarily of mature Sugar Maple and other mixed hardwoods.





Manitoba Maple Mm 17 varies 44 Fair


CP

T 2

1

Significant Trees

1733 American Basswood 1 M 14 9 61 Good


Boundary compartment on lands adjacent to TRIP site.

Smaller grouping of trees on high ground consisting primarily of Basswood and Ash.


American Basswood 10 Y-M 18 varies 8-61 35 Good



Flowering Crab Apple 1 Mm 7 varies 35 Fair



CP

T 2

2

Predominant Species Small compartment on lands adjacent to TRIP site

Situated at base of slope abutting the south side of CPT 20.

High concentration of young to early mature Sugar Maple with Manitoba Maple and other hardwoods mixed throughout.



Sugar Maple 45 Em-Mm 18 varies 10-20 15 Good

Ash 3 Em 15 varies 25 Fair

American Basswood 1 Y 15 varies 10 Fair

American Elm 1 Mm 15 varies 32 Fair

Underbrush Buckthorn Sumac Grapevine Saplings of listed species

Page 13



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≈ N

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Age

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(Y, E

M, M

M, M

, MD

, D)

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Comments


CP

T 2

3A

Significant Trees

1736 Eastern Cottonwood 1 M 18 6 40 Fair

1737 Eastern Cottonwood 1 M 18 6 49 Poor Cankers all along main stem part of top has broken out remainder of tree and decline

1738 Eastern Cottonwood 1 M 18 6 50 Poor Cankers developing along main stem, some branches have broken out, deadwood through crown.

1739 Ash 1 M 16 10 61 Fair Deadwood throughout crown. Most likely will succumb to EAB without proper treatment. Consider for removal.


Compartment on lands adjacent to TRIP site

Trembling Aspen 1 Y 10 varies 10 Fair

American Elm 7 Y-Em 14 varies 7-25 10 Good


Norway Maple 1 Em 10 varies 36 Good

Flowering Crab Apple 1 Em 10 varies 30 Fair


Underbrush Buckthorn Sumac Prickly Ash Eastern white Cedar Saplings of listed species

CP

T 2

3B

Predominant Species Compartment on lands adjacent to TRIP site

Low wet area

Predominantly Poplar Ash will likely succumb to EAB without proper treatment and should be considered for removal.



American Elm 15 Y-Em 15 varies 7-25 12 Good

Willow 2 Mm 15 varies 30 Fair

Flowering Crab Apple 1 Em 10 varies 25 Fair


Underbrush Buckthorn Dogwood Prickly Ash Grapevine Willow bushes Saplings of listed species

Page 14



Co

mp

artm

en

t #

Tre

e ID

Tree Species

≈ N

o. o

f St

em

s

Age

Ran

ge

(Y, E

M, M

M, M

, MD

, D)

He

igh

t (m

)

Cro

wn

Sp

read

(m)

Ste

m D

bh

Ran

ge (c

m)

Avg

. Ste

m D

bh

(cm

)

Ove

rall

Co

nd

itio

n

Comments


CP

T 2

3C


Swamp area

Numerous standing dead trees throughout. Ash will likely succumb to EAB without proper treatment and should be considered for removal.

Willow 14 Y-Mm 14 varies 10-47 25 Fair

Silver Maple 27 Y-Mm 14 varies 8-35 30 Fair


Poplar 28 Y-Em 14 varies 15 Fair

Underbrush Buckthorn Dogwood Willow bushes Saplings of listed species

CP

T 2

3D


Low, wet area

stem totals recorded via representative samples throughout CPT



Ash 50 Mm 15 varies 25 Fair



Underbrush Buckthorn Dogwood Prickly Ash Willow bushes Saplings of listed species

CP

T 2

3E


Manitoba Maple 5 Em 8 varies 8-20 15 Fair

American Basswood 12 Em 16 varies 20-30 25 Fair


Underbrush Buckthorn Dogwood Saplings of listed species

Page 15



Co

mp

artm

en

t #

Tre

e ID

Tree Species

≈ N

o. o

f St

em

s

Age

Ran

ge

(Y, E

M, M

M, M

, MD

, D)

He

igh

t (m

)

Cro

wn

Sp

read

(m)

Ste

m D

bh

Ran

ge (c

m)

Avg

. Ste

m D

bh

(cm

)

Ove

rall

Co

nd

itio

n

Comments


CP

T 2

3F

Significant Trees

1740 Ash 1 Y 8 1 9 Fair Most likely will succumb to EAB without proper treatment.

1741 Eastern White-Cedar 2 Em 7 2 20r.f. Good

1742 Red Pine 1 Y 6 2 10 Fair

1743 Ash 1 Em 8 2 18 Fair Most likely will succumb to EAB without proper treatment.





Underbrush Buckthorn Dogwood Prickly Ash Ash saplings Red Pine Juniper

CPT General Comments:

Compartment on lands adjacent to TRIP site

primarily open grass area spotted with young to early mature individual trees


CP

T 2

3G


Cluster of Manitoba Maple situated along slope and ravine Ash will likely succumb to EAB without proper treatment and should be considered for removal.



American Elm 15 Y-Em 15 varies 8-20 15 Fair

Underbrush Buckthorn Dogwood Sumac Saplings of listed species (primarily Manitoba Maple)

CP

T 2

3H


Grove of Manitoba Maple saplings Manitoba Maple 100+ Y 10 varies 10 Fair

Underbrush Manitoba Maple saplings

Page 16



Co

mp

artm

en

t #

Tre

e ID

Tree Species

≈ N

o. o

f St

em

s

Age

Ran

ge

(Y, E

M, M

M, M

, MD

, D)

He

igh

t (m

)

Cro

wn

Sp

read

(m)

Ste

m D

bh

Ran

ge (c

m)

Avg

. Ste

m D

bh

(cm

)

Ove

rall

Co

nd

itio

n

Comments


CP

T 2

23

I

Predominant Species Cluster of trees on lands adjacent to TRIP site

Open grass wetland

1748 Trembling Aspen 7 Em 10 4 15 Fair

Underbrush Buckthorn Dogwood Willow bushes Grapevine

CP

T 2

4


Large grouping of Blue Spruce Blue Spruce 36 Mm 17 varies 35 Good

Underbrush

Page 17


Headings & Abbreviations

Tree ID Reference number. Refer to plan or numbered tags where applicable

Species Common name

Age Range Y = young, EM = early mature, MM = middle mature, M = mature, PM = post mature

Height Other than where the height of a tree is critical to the outcome of the risk assessment, approximately 1 in 10 trees are measured and the remainder estimated against the measured trees

Crown Spread Measured or estimated radius of crown at the widest point

Stem Dbh Stem diameter - measured at a height of approximately 1.4 metres above grade, r.f.= measurement at root flare

Overall Condition A combined measurement of physiological and structural condition. Good (G) = Safe & free from defects with a healthy crown, Fair (F) = Safe but with some defects, generally healthy crown, Poor (P) = Significant structural defects, and/or poor health & vitality, or Moribund (MB) = Tree is in noticeable decline

Page 18

EAST

BA

NK

RD PIONEER RD

CAMP KAWARTHAENVIRONMENTCENTRE

NASS

AU M

ILLS

DR

GREEN BUFFERADJACENT TO

EXISTING NATURALAREA (WITHPOTENTIAL

MULTI-USE TRAIL)

STRE

ET A

C1.00 ha

MU30.86 ha

K1.06 ha

F0.74 ha

E1.73 ha

NBG20.68 ha

NBG31.11 ha

MU10.47 ha

MU51.33 ha

NBG13.06 ha

STR

EET

B

STREET C

STRE

ET D

L1.06 ha

M1.06 ha

G0.98 ha

H0.98 ha

I0.97 ha

J0.97 ha

B0.86 ha

MU40.20 ha

MU20.20 ha

SWMPOND

STREET E

MID

-BLO

CK

CO

NN

ECTI

ON

SWMPOND

EASE

MEN

T E

CPT 23D

CPT 23I

CPT 23H

CPT 23G

CPT 23F

CPT 23B CPT 23C

CPT 23

CPT 24

CPT 3-1

CPT 3-2

CPT 1-5

CPT 2

CPT 4

CPT 7

CPT 8

CPT 9CPT 10

CPT 11CPT 16

CPT 14

CPT 15

CPT 17

CPT 22

CPT 19

CPT 20

CPT 21

CPT 18CPT 13

CPT 12

CPT 15

CPT 23E

CPT 1-1

CPT 1-6

CPT 1-8

CPT 5

1749.0

1751.0

1752.0

1711.0

1725.0

1726.0

1727.0

1729.0

1713.01714.0

1733.0

1736.0

1737.01738.0

1739.0

1748.0

1735.0

1753.0

1723.0

1724.0

1750.0

1760.01761.01762.01763.01764.01765.01766.0

1767.0

1768.01769.01770.0

1772.01771.0

1773.0

1712.0

1759.01757.0

1758.0

1756.01755.0

1754.0

1709.0

1708.0

1710.0

1717.01716.01715.0

1734.0

1718.0

1719.01720.0

1721.0

1728.0

1722.0

1731.0

1730.0

1732.0

1745.01744.0

1746.0

1741.0

1742.01743.0

1747.01740.0

D M YNO.

REVISIONS:

DATE

SCALE

SHEET NO.

DRAWN

REVIEWED

PROJECT NO.

SHEET TITLE

REVISIONS

PROJECT

TRENT RESEARCH & INNOVATION PARK MASTER PLAN

PROJECT ADDRESS

NO.

ALL DRAWINGS, SPECIFICATIONS AND RELATED DOCUMENTS ARE THE COPYRIGHT PROPERTY OF THEARCHITECT AND MUST BE RETURNED UPON REQUEST. REPRODUCTION OF DRAWINGS,SPECIFICATIONS AND RELATED DOCUMENTS IN PART OR IN WHOLE IS FORBIDDEN WITHOUT THEARCHITECTS WRITTEN PERMISSION.

DO NOT SCALE FROM THIS DRAWING. THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS AT THEBUILDING SITE AND REPORT ANY DISCREPANCIES TO THE CONSULTANT PRIOR TO PROCEEDING WITHTHE WORK.

TC255-01

DO NOT SCALE

April 24, 2017

AWS

TC255 - Trent Research & Innovation Park

Tree Inventory Plan

NOTES:

UNKNOWN: ROW OF NINTH LINE

XXXX Significant tree within CPT

Assessed compartment oftrees

Page 19


Development Impacts

Table 2

Compartment (CPT) / Tree #

Development Impact Recommendation

Tree # 1750 1. Limits of excavation for the construction of Street E ROW (including primary trail) may encroach onto the southern edge of the tree's dripline.

Provide TPZ fencing as specified. Grading along this section of Street E is unknown. If grade change is similar to the south end of Street D (+1.2m), the tree may need to be removed.

CPT 2 1. Limits of excavation for the construction of Easement B (including primary trail) may encroach onto the eastern edge of the compartment. Removal and/or pruning of some trees may be necessary.

Affected trees are undesirable species overall with American Elm mixed throughout. Many areas along this edge consist of various species of Willow bushes.

Remove and/or prune trees as necessary for development. Where necessary, provide TPZ fencing along dripline of remaining retained trees adjacent to the construction (preferably to the edge of construction/grading limits).

CPT 3 1. Limits of excavation for the construction of Street D ROW (including primary trail) encroaches onto the eastern edge of the compartment. Removal and/or pruning of some trees may be necessary.

2. Limits of excavation for the construction of Street E ROW (including primary trail) will run directly through the southern edge of the compartment. Removal and/or pruning of some trees is required.

Affected trees are undesirable species overall with American Elm and White Cedar mixed throughout.

Remove and/or prune trees as necessary for development. Significant grade change in proposed, ensure that adequate clearance is attained to accommodate the limits of final grading. Where necessary, provide TPZ fencing along dripline of remaining retained trees adjacent to the construction (preferably to the edge of construction/grading limits).

CPT 4 1. Construction of Street D ROW (west end of CPT) and Street A ROW (east end of CPT) encroaches onto the respective sides of the compartment. Removal of some trees is required.

2. Construction of secondary trail may encroach the southern edge of the CPT from the far west to where it crosses through the CPT and continues to encroach the northern edge from this point to the east end of the CPT. Removal and/or pruning of some trees may be necessary.

Affected trees are predominantly large Basswood clusters with an understory of undesirable species and invasive Buckthorn and grapevine.

Remove and/or prune trees as necessary for development. Provide TPZ fencing along dripline of remaining retained trees (especially Tree # 1754) adjacent to the construction (preferably to the edge of construction/grading limits).

CPT 5 1. Construction of Street A ROW will run directly through majority of the compartment starting at the south end of the CPT. The proximity of ROW construction and grading encroaches on the root systems of the remaining trees.

Affected trees include #1760-1773 with an understory of undesirable species and invasive Buckthorn and grapevine.

Remove trees as necessary for development.

CPT 7 1. Construction of service corridor (including primary trail) encroaches onto the eastern edge of the compartment and requires the removal of some trees.

Affected trees are predominantly middle mature Sugar Maples in good overall condition.

Consider connecting the southern end of easement with Pioneer Road through a section of CPT that does not include Sugar Maples.

Remove trees as necessary for development. Provide TPZ fencing along dripline of remaining retained trees adjacent to the construction (preferably to the edge of construction/grading limits).

CPT 8 1. Construction of service corridor (including primary trail) encroaches onto the western edge of the compartment and requires the removal of some trees.

Affected trees are undesirable low land trees overall.


Page 20


CPT 9 1. Construction of service corridor (including primary trail) encroaches onto the western edge of the compartment and requires the removal of some trees.

Affected trees are primarily Ash and other undesirable low land species.


CPT 10 1. Construction of Street A ROW encroaches onto the western edge of the compartment and requires the removal of some trees.

2. Limits of excavation for the construction of storm water amenity may encroach onto the eastern edge of the compartment. Removal and/or pruning of some trees may be necessary."

3. Construction of secondary trail may encroach the northern edge of the compartment and cuts through the east end of CPT jeopardizing an early mature Sugar Maple (#1708) in good condition . Removal and/or pruning of some trees will be necessary.

Affected trees include 1708-1712 with an understory of undesirable species and invasive Buckthorn.

Remove and/or prune trees as necessary for development. Provide TPZ fencing along dripline of remaining retained trees adjacent to the construction (preferably to the edge of construction/grading limits).

(#3) Consider routing the secondary trail through the CPT between Sugar Maple trees #1709 and 1710. Trail is narrow and low impact, therefore it can encroach the dripline of these trees if necessary.

Trees #1723 & 1724

1. Trees are in direct conflict with construction of storm water amenity and will have to be removed.

Affected trees are poor quality trees growing from rock pile in field.


CPT 11 1. Construction of primary trail may encroach the western edge of the compartment. Removal and/or pruning of some trees may be necessary.

Affect trees are a cluster of Ash trees on TRIP lands and possibly Willow bushes on adjacent land.

Remove and/or prune trees as necessary for development.

Tree # 1725-1727 1. Poor quality and undesirable trees in conflict with various elements of the development.


CPT 12 1. Construction of Street A ROW will run directly through the south central section of the compartment and require the removal of some trees.

2. Construction of primary trail may encroach the western edge of the compartment. Removal and/or pruning of some trees may be necessary.

Affected trees are undesirable and smaller Basswood, White Cedar and invasive Buckthorn.


CPT 13 1. Construction of Street B ROW abuts the southern edge of compartment while the connecting segment of this street to the campus will run directly through the far west section of the compartment. Removal and/or pruning of some trees will be necessary.

2. Construction of primary trail may encroach the southern edge at the east end of the compartment. Removal and/or pruning of some trees may be necessary.

Affected trees include #1728 and other poor quality trees with a heavy understory of Buckthorn.


CPT 14 1. Limits of excavation for the construction of Street B ROW may encroach onto the eastern edge of the compartment and require the removal of some trees.

2. Construction of Street D ROW will run directly through the north section of the compartment and require the removal of some trees

Affected trees include #1720-1721 and other poor quality trees with an understory of Buckthorn and grapevine.


Tree #1718 is inside TPZ but is leaning significantly into ROW and needs to be removed

Tree#1719 is declining and should be removed with other trees to accommodate Street D ROW.

Page 21


Tree #1713 & 1714 1. Western edge of dripline of middle mature American Elms is in proximity of development and grading for Street A ROW.

Provide TPZ fencing as specified.

CPT 15 1. Construction of Street A ROW will run directly through the central section of the compartment and requires the removal of some trees including a mature Sugar Maple (#1717) in good condition.

2. Secondary trail construction may encroach the west edge of the CPT north of Street A as well as the eastern edge of the CPT to the south of Street A. Removal and/or pruning of some trees may be necessary.

3. Proposed construction of secondary trail across the northern edge of CPT will require the removal of some trees.

Affected trees include 1715-1717 with an understory of undesirable species with American Elm dispersed throughout CPT.


(#1) Consider shifting proposed design of Street A ROW to the west in order to retain tree # 1717.

CPT 16 1. Construction of Street D ROW encroaches onto the western edge of the compartment and requires the removal of some trees.

2. Secondary trail construction may encroach the south edge of the CPT. Removal and/or pruning of some trees may be necessary.

3. Truck access cuts through the midpoint of the CPT and requires the removal of some trees.

Affected trees include 1734-35 with a high concentration of Basswood and Poplar and the west end of CPT where Street D ROW cuts through.

Remove and/or prune trees as necessary for development. Provide TPZ fencing along dripline of remaining retained trees (especially Tree #1734) adjacent to the construction (preferably to the edge of construction/grading limits).

CPT 17 1. Limits of excavation for the construction of Street D ROW (including primary trail) may encroach onto the southern edge at the east end of the compartment and requires the removal of some trees.


CPT 18 1. Construction of Street B connection to the campus cuts directly through the compartment and will require the removal of some trees.

Affected trees consist mainly of invasive Buckthorn and other undesirable species.


Consider removing remainder of CPT to the north which is 100% invasive Buckthorn and replanting with native species.

CPT 20 & 21 2. Proposed construction of primary trail terminates in the vicinity of the northeast end of CPT and may encroach some trees.

Connect trail with existing lane located between CPT 20 & 21.

CPT 23 1. Proposed construction of primary trails cuts through various sections of this compartment and will require the removal of some trees.

Depending on final route of trail, affected trees most likely to consist of undesirable species with pockets of American Elm mixed throughout.


CPT 23C 1. Limits of excavation for the construction of Street D ROW (including primary trail) may encroach onto the eastern edge of the compartment. Removal and/or pruning of some trees may be necessary.


Page 22


CPT 23D 1. Limits of excavation for the construction of Street D ROW (including primary trail) may encroach onto the eastern edge of the compartment. Removal and/or pruning of some trees may be necessary.


CPT 24 2. Proposed construction of primary trail terminates in the vicinity of the northeast end of CPT and may encroach some trees (Blue Spruce).

As trail design becomes finalized, allow for a preservation set back of at least 5m from the compartments dripline.

Summary The assessment at the Trent Research & Innovation site was carried out on the tree resources located on and adjacent to all boundaries of the site. Together with an inventory of trees in accord with the draft condition, the assessment sought to identify the significant trees that;

Have a safe useful life expectancy that justifies their retention, and any design changes and costs associated with that; i.e. extend into the future for an acceptable period in the design life of the intended development,

Are likely to survive the construction process,

Are likely to survive within any changed growth environment and,

Are compatible with, and sustainable within the context of new development. The tree resources identified in this report are located within former agricultural hedgerows (fence lines). They comprise mainly of volunteer, planted trees and possibly the remnants of original tree cover prior to clearance for agricultural use. The fence lines also contain many rocks moved from the open fields during the years of agricultural use. Previous management is only likely to have comprised of removal of dead and fallen trees with, perhaps, some removal of trees for firewood during agricultural use. This historic management has resulted in numerous standing dead trees and tree resources which are only of moderate structural condition (many trees have poor structure at the base due to growth restriction by large rocks), but nevertheless are worthy of retention within the context of development. That being said, it is recommended that dead, dying, damaged and hazardous trees be tended to as the development proceeds around these hedgerows and naturalized areas. Ongoing efforts should be taken to replant native species trees in and around these areas as trees are removed. It is also worth noting that the previous agricultural use (ploughing) will have effectively pruned the roots of trees growing into the site and this will limit the damage from adjacent development. The master plan for this development strives to retain a high percentage of hedgerows and naturalized areas while maximizing the available area to be developed. As such, all tree compartments bordering and within the site require varying levels of tree removals and protection to accommodate street right of ways, trails and other infrastructure. The largest impact of development is the complete removal of CPT 5 to accommodate Street A ROW. The majority of the site will be maintaining natural grade. This combined with maintaining the proposed natural feature lot lines provides automatic protection of tree resources during the development of individual subdivision lots because construction and grading limits will not be encroaching bordering tree lines.

Page 23

EAST

BA

NK

RD PIONEER RD

CAMP KAWARTHAENVIRONMENTCENTRE

NASS

AU M

ILLS

DR

GREEN BUFFERADJACENT TO

EXISTING NATURALAREA (WITHPOTENTIAL

MULTI-USE TRAIL)

STRE

ET A

C1.00 ha

MU30.86 ha

K1.06 ha

F0.74 ha

E1.73 ha

NBG20.68 ha

NBG31.11 ha

MU10.47 ha

MU51.33 ha

NBG13.06 ha

STR

EET

B

STREET C

STRE

ET D

L1.06 ha

M1.06 ha

G0.98 ha

H0.98 ha

I0.97 ha

J0.97 ha

B0.86 ha

MU40.20 ha

MU20.20 ha

SWMPOND

STREET E

MID

-BLO

CK

CO

NN

ECTI

ON

SWMPOND

EASE

MEN

T E

1723.0

1724.0

1727.01722.0

1721.01720.0

1728.0

1717.0

1712.0

1760.01761.01762.01763.01764.01765.0

1767.0

1768.01769.01770.01771.01772.01773.0

1766.0

1735.0

1753.0

1725.0

1726.0

1719.0

1716.01715.0

1750.0

1713.01714.0

1734.0

1718.0

1754.0

1709.0

1708.0

1710.0

D M YNO.

REVISIONS:

DATE

SCALE

SHEET NO.

DRAWN

REVIEWED

PROJECT NO.

SHEET TITLE

REVISIONS

PROJECT

TRENT RESEARCH & INNOVATION PARK MASTER PLAN

PROJECT ADDRESS

NO.

ALL DRAWINGS, SPECIFICATIONS AND RELATED DOCUMENTS ARE THE COPYRIGHT PROPERTY OF THEARCHITECT AND MUST BE RETURNED UPON REQUEST. REPRODUCTION OF DRAWINGS,SPECIFICATIONS AND RELATED DOCUMENTS IN PART OR IN WHOLE IS FORBIDDEN WITHOUT THEARCHITECTS WRITTEN PERMISSION.

DO NOT SCALE FROM THIS DRAWING. THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS AT THEBUILDING SITE AND REPORT ANY DISCREPANCIES TO THE CONSULTANT PRIOR TO PROCEEDING WITHTHE WORK.

TCA255-02

DO NOT SCALE

April 24, 2017

AWS

TC255 - Trent Research & Innovation Park

Tree Preservation & Removals Plan

NOTES:

UNKNOWN: ROW OF NINTH LINE

Tree protection area

Retained tree requiring protection

Tree to be removed

Tree compartment portion to beremoved

Protective fencing

Page 24


Tree Preservation

Pre-construction (of each development phase)

Prior to any construction work, establishment of storage compounds, site offices, latrines, contractor parking or storage of any materials; all approved tree works shall be undertaken in accord with the recommendations detailed in both the tree inventory and development impact summary in accord with the current ISA Best Management Practice –Tree Pruning (companion publication to ANSI standard A300 Part 1 (2008) Tree, Shrub and other Woody Plant Management –Standard Practices, Pruning). Following this, all trees identified for retention within the schedule (Table 2) shall be protected using appropriate tree protection methods such as barriers installed in the locations identified on the plans TC255-02 to create tree protection zones (Subject to revision as required by final design). Where this is not possible, trunk/lower branch protection and/or soil and root protection within the TPZ shall be as detailed below. Other precautions such as tying back branches, modification of construction techniques, thrust boring and the use of special surfaces may be required as necessary.

Tree Protection Zone (TPZ) and Barriers (refer to Appendix 1 for OPS drawings)

Barriers for tree protection shall be a minimum height of 1.2 m consisting of material approved by the Contract Administrator, supported by steel posts. The number of steel posts shall be enough to keep the material from sagging and the fence erect. The barriers shall be erected at the dripline of trees or woodlot edges within the Working Area, prior to commencement of construction operations at locations specified in the Contract Documents. Where a clearance zone of 1.5 m cannot be established between the barrier at the dripline and the limit of grading, the barrier may be placed within the dripline, subject to the approval of the Contract Administrator. When the barrier is placed within the dripline,

a) a minimum distance of 0.75 m shall be maintained between the trunk of the tree and the barrier, and b) a distance of 1.5 m shall be maintained between the barrier and the limit of grading.

When the trunks of trees are less than 4.5 m apart, the trees shall be considered a woodlot and the barrier shall be placed so it forms a continuous barricade around the woodlot as specified in the Contract Documents.

A barrier is not required where an existing fence serves the same purpose. At such locations, the barrier shall terminate at the existing fence so that a continuous barricade is provided between the trees and the area of work.

The barriers shall be maintained erect and in good repair throughout the duration of construction operations without breaks and unsupported sections and shall be removed upon completion of the work.

TPZ Signage

All sections of fencing should be clearly marked with signs stating that the area within is a Tree Protection Zone and that no one is allowed to disturb this area. Signs should contain contact information for the contractor and/or the Arborist and clearly state any consequences that are associated with violations. Text on the signs should be on all languages commonly spoken on the site.

Page 25


Soil and Root Protection Within the TPZ

“If traffic cannot be kept outside of the TPZ for the entire duration of construction, actions can be taken to disperse the vehicular load and protect roots, minimizing soil compaction and mechanical root damage. These include:

Applying 15-30cm (6-12”) of wood chip mulch to the area

Laying 2cm (¾”) thick plywood or 10 x 10cm (4x4”) wood beams over a 10+ cm (4+ “) thick layer of wood chip mulch

Applying 10-15cm (4-6”) of gravel over a taut, staked geotextile fabric; or

Placing commercial logging or road mats on top of a mulch layer

Stone, geotextile and mulch exceeding 10cm (4”) thick will need to be removed from the TPZ once the threat of soil or root damage has passed.”

Trunk Protection

“When trees are so close to construction activities that the trunk or buttress roots may be mechanically damaged, those parts should be protected. This can be done by installing 5cm (2”) thick wood planks, such as 5x10cm or 5x15cm (2x4”s or 2x6”s) around the trunk, preferably on a closed-cell foam pad. Straps or wire are used to bind the planks in place. No fasteners should be driven into the tree. Trunk protection should be adjusted to allow growth if it is in place during periods of trunk diameter growth.”

Page 26


During construction

Throughout the construction an ISA Certified Arborist shall be retained for the following:

Advise and oversee any site activities where construction impacts upon retained trees.

Advise on root severance and pruning.

Advise on tree damage caused by, or occurring during construction, including storm events, and specify and detail remediation methods.

Advise on location of boring and excavation methods in the root zone of trees where appropriate.

Advise on grade changes within the critical root zone of trees.

Monitor tree health and advise on cultural requirement of trees during construction.

Advise on any unforeseen changes to construction that are likely to be detrimental to retained trees.

Monitor the Tree Protection Zone (TPZ) barriers and TPZ signage.

Supervise the removal/dismantling of all the approved tree protection systems at the completion of construction.

Post-Construction Care

Following the completion of construction and the removal of all tree protection, the Arborist will re-inspect all retained trees and assess their current health and vitality. The Arborist will advise on the requirement for irrigation, deep-root fertilizing and de-compaction, as appropriate to ensure the continued health and sustainability of the retained trees.

Page 27


Appendix 1

Page 28


Appendix 1 (cont'd)

Specification for tree protection barrier; replacing geotextile with construction fencing

Note: Barrier for tree protection utilises materials that will be used on site for development/grading purposes. Type and location of fence) provides protection equivalent to OPSD 220.010

Page 29