SBCA TREE CONSULTING
1534 Rose Street, Crockett, CA 94525
Phone: (510) 787-3075
Fax: (510) 787-3065
Website: www.sbcatree.com
Steve Batchelder, Consulting Arborist Molly Batchelder, Consulting Arborist WC ISA Certified Arborist #228 WC ISA Certified Arborist #9613A CUFC Certified Urban Forester #134 ISA Tree Risk Assessment Qualified CA Contractor License #(C-27) 53367 E-mail: [email protected] E-mail: [email protected]
Date: August 31, 2021
To: WAREHAM DEVELOPMENT
1120 Nye Street Ste 400
San Rafael, CA 94901
C.c: Claudia Cappio, Consulting Principal
Urban Planning Partners
Project: 1550 EmeryStation
Subject: Tree Survey and Valuation
Assignment: Survey all trees included in the scope provided by UP Partners.
Emeryville Tree Ordinance
(k) “Street tree” shall mean any tree growing within the public right-of-way, including unimproved public streets and sidewalks, and any tree growing on land under the jurisdiction of the City of Emeryville. e) Removal Application. An applicant requesting a tree removal permit to remove a street tree shall be required to submit a plan showing:
1. the location, species, trunk diameter at four and one The Emeryville Municipal Code is current through Ordinance 16-004, passed May 17, 2016. Emeryville Municipal Code CHAPTER 10. URBAN FORESTRY ORDINANCE Page 4 of 8 half feet (4-1/2') above natural grade, canopy size, and drip line (as defined in Section 7-10.03) of all street trees to be removed,
2. a red “X” over each street tree to be removed,
3. an appraisal of the replacement value fee (as defined in Section 7-10.03) of all street trees identified in the plan to be removed,
4. a tree report prepared by a certified arborist providing accurate information and opinion regarding the location, species, trunk diameter measured at four and one half feet (4-1/2') above natural grade, canopy size, and condition of all street trees identified in the plan to be removed, and
5. such other information or details as the Department may require. Applicants for a street tree removal permit sought as a component of a development project that requires Planning Commission review or approval in accordance with Article 82 of Chapter 4 of Title 9 shall also comply with the submittal requirements set forth in Section 9-4.82.3. Further, applicants for a street tree removal permit shall also comply with the submittal requirements for an encroachment permit as set forth in Section 7-2.04.
Attachment 1
1550 EmeryStation Tree Survey and Valuation 8-31-21
Wareham Development 2 of 7
SBCA Tree Consulting Phone (510) 787-3075
1534 Rose St. Crockett, CA 94525 Fax (510) 787-3065
[email protected] www.sbcatree.com
Survey Procedure
Trees Tagged – All trees were tagged with a metal number tag corresponding with the number used on the tree location map and data sheets. Tree tags begin with #21.
Data Recorded – Arborists recorded data on tree species, DBH1, tree spread, health and structural conditions, and tree Root Protection Zone (RPZ)2. Notes were recorded with commentary on general tree condition.
Summary
Total Trees – Arborist survey identifies 18 trees.
Total Street Trees – Thirteen (13) are street trees. One street tree is dead. Valuation – The total appraised value of 18 trees is $146,700.
Table 1 – The table below provides a breakdown of numbers of each tree species surveyed.
Species
Common
Name
Total
Amount
Street
Tree
Overall
Retention
Suitability Comments
1 ? - 1 1 P Dead, Species not known
2 Eucalyptus
polyanthemos
Silver Dollar
Gum 4 - F-P
Growing in planting strip back of
sidewalk; All display leans toward
the street; Some structural and
health issues
3 Ficus
microcarpa
Indian
Laurel Fig 4 4 P Hedged
4 Magnolia
grandiflora
Southern
Magnolia 3 3 F-G Nice trees; Beginning to show signs of drought stress 5 Persea
americana Avocado 1 - F Poor structure; Growing in planting strip back of sidewalk 6 Prunus
cerasifera
Purple
Plum 2 2 P Poor health and structure
7 Schinus
terebinthifolius
Brazilian
Pepper 3 3 F-G Some vehicle damage, #23 has a significant lean 18 13
1 DBH is tree diameter measured at 54 inches above soil grade. 2 Tree Root Protection Zone (RPZ) - The tree protection zone designates an area surrounding a tree or grouping of trees that is to be fenced off from all access until designated by a certified arborist. The RPZ is commonly defined as one (1) foot radial distance for every one (1) inch in tree diameter (DBH). Example: A single stem tree measuring 30 inches in diameter, (measured at 54 inches or 4.5 feet above grade) would have a critical root zone with a radius of 30 feet. 1550 EmeryStation Tree Survey and Valuation 8-31-21
Wareham Development 3 of 7
SBCA Tree Consulting Phone (510) 787-3075
1534 Rose St. Crockett, CA 94525 Fax (510) 787-3065
[email protected] www.sbcatree.com
Tree Valuation, Source and Methodology
This tree valuation report was prepared according to the standards for tree valuation presented in the 10th Edition of GUIDE FOR PLANT APPRAISAL, published by the International Society of Arboriculture, 2019.
Information regarding tree species is from the publication: SPECIES CLASSIFICATION AND GROUP ASSIGNMENTS, published by the International Society of Arboriculture.
Tree valuation is determined by using the FUNCTIONAL REPLACEMENT METHOD, Trunk Formula Technique as the tree is larger than the standard 24” box size utilized in tree valuation.
Reproduction Method using Trunk Formula Technique for Determining Tree Value The current price for a 24-inch box tree, installed in the landscape, is $516 (Council of Tree & Landscape Appraisers). Value is affected by tree species, tree condition and the location in which the tree is growing. The terms below are used is the valuation in the table below. Species – Species qualities are determined through the publication Species Classification And Group Assignment published by the WESTERN CHAPTER INTERNATIONAL SOCIETY OF ARBORICULTURE. Tree species classification is used to determine the relative size of a replacement tree of a commonly attainable size.
o Species Group – The group rating reflects the rate of growth for the tree species. The group rating determines the basic price per square inch of the trunk area for the different species. DBH - Diameter at Breast Height, measured at 4.5 feet above the average soil grade. Tree valuation is based upon DBH measurements. For multi-stemmed trees, this is based on calculations from the sum of the cross-sectional areas of all stems measured at 4.5 above grade. That figure is then matched with a DBH of a single stemmed tree with the same cross-sectional area. Trunk Area – The surface area of the cross-sectional area of the tree trunk measured at 4.5 feet above the soil grade (DBH).
Tree Condition – Assessed base upon tree Health, Structure & Form.
Rating Rating Amount Rating Rating Amount
G G 0.9 F F/P 0.6
G F/G 0.85 F P 0.5
G F 0.8 P F/G 0.55
G F/P 0.7 P F/P 0.4
G P 0.6 P P 0.2
F F/G 0.75 F/G F/G 0.8
F F 0.7 F/G F/P 0.65
F F/P 0.6 F/P F/P 0.45
Functional Limitations – Factors within the controllable area that adversely impact the tree. External Limitations – Adverse impacts beyond control of tree owner is the presence of the adjacent structure that limits the spread of the tree and will require pruning to accommodate Replacement Tree Diameter – The diameter of the largest commonly available tree of the same species. Cross-sectional area of Replacement tree - Based upon diameter of replacement tree for 24” box size. Replacement Tree Cost – Standard cost for purchase and planting of replacement tree. Normal is $512 for 24-inch size box tree.
Unit Tree Cost – This is the cost of the tree divided by the cross-sectional area. Basic Reproduction Cost – The cross-sectional area of the tree being valued times the Unit Tree Cost. 1550 EmeryStation Tree Survey and Valuation 8-31-21
Wareham Development 4 of 7
SBCA Tree Consulting Phone (510) 787-3075
1534 Rose St. Crockett, CA 94525 Fax (510) 787-3065
[email protected] www.sbcatree.com
Species Price per Square Inch. – Determined from Species Group rating. Depreciated reproduction cost – Factor in Tree Condition, Functional Limitations & External Limitations. Additional Costs – Covers tree removal and cleanup prior to replanting. Tree Value – Total assessed values of the trees are to the nearest $100.
Total value for all 18 Significant Trees was determined to be $146,700.
End Report
Report submitted by:
Molly Batchelder, Consulting Arborist
WC ISA Certified Arborist #9613A
Tree Risk Assessment Qualified (TRAQ)
Appendices are as follows:
1. Tree Survey Data
2. Tree Location Map
3. Tree Valuation
Photos
Photo 1. Photo
above shows
the three
Brazilian
Peppers: from
right to left #s
21-23.
1550 EmeryStation Tree Survey and Valuation 8-31-21
Wareham Development 5 of 7
SBCA Tree Consulting Phone (510) 787-3075
1534 Rose St. Crockett, CA 94525 Fax (510) 787-3065
[email protected] www.sbcatree.com
Photo 2. Photo two shows the Eucalyptus and
hedged Ficus. The Ficus are street trees; the
Eucalyptus are located behind the sidewalk.
Photo 3. Photo right shows the Avocado behind
the sidewalk.
1550 EmeryStation Tree Survey and Valuation 8-31-21
Wareham Development 6 of 7
SBCA Tree Consulting Phone (510) 787-3075
1534 Rose St. Crockett, CA 94525 Fax (510) 787-3065
[email protected] www.sbcatree.com
Photo 4. Photo left shows the dead street tree
#33. Species unknown.
Photo 5. Photo right shows Purple Plum
#35 in the foreground and #34 behind.
Both street trees are in terrible health and
structural condition and are not suitable
for retention.
1550 EmeryStation Tree Survey and Valuation 8-31-21
Wareham Development 7 of 7
SBCA Tree Consulting Phone (510) 787-3075
1534 Rose St. Crockett, CA 94525 Fax (510) 787-3065
[email protected] www.sbcatree.com
Photos 6, 7 and 8. Clockwise
from top left: Magnolias #s 36-
38, all healthy specimens.
End Photo
Supplement
EmeryStation
Wareham Development
Appendix 1
Survey Data
8-31-21
1 of 2
SBCA Tree Consulting
1534 Rose St. Crockett, Ca 94525
Phone (510) 787-3075
Fax (510) 787-3065
COLUMN HEADING DESCRIPTIONS
Tag# - Indicates the number tag attached to tree
Species - Scientific name
Common Name - Vernacular name
DBH - Diameter measured in inches at 4.5 feet above soil grade, unless otherwise indicated Spread - In feet
Health -Tree Health: E is Excellent, G is Good, F is Fair, P is Poor, D is Dead or Dying Structure- Tree Structural Safety: E is Excellent, G is Good, F is Fair, P is Poor, H is Hazardous Suitability for Retention - Based on Tree Condition: G is Good, F is Fair, P is Poor RPZ- Root Protection Zone: The radial distance in feet from base of tree that is to be fenced off from all construction access until designated by a certified arborist.
Notes - See below
ABBREVIATIONS AND DEFINITIONS
Notes
Embedded Bark (EB) - AKA Included Bark, this is a structural defect where bark is included between the branch attachment so that the wood cannot join. Such defects have a higher propensity for failure.
Codominant (CD) - A situation where a tree has two or more stems which are of equal diameter and relative amounts of leaf area. Trees with codominant primary scaffolding stems are inherently weaker than stems, which are of unequal diameter and size.
Tag # Species Common name DBH Spread Health Structure
Street
Tree
Suitability RPZ Notes
21 Schinus
terebinthifolius Brazilian Pepper 16 25 G F-G 1 G 16 Crossing branches 22 Schinus
terebinthifolius Brazilian Pepper 16 25 G F 1 F 16 15 degree lean, major vehicledamage 23 Schinus
terebinthifolius Brazilian Pepper 18 25 F-P F 1 F 18 40 degree lean, CD 24 Persea
americana Avocado 4, 3 15 G P F 5 EB
25 Ficus microcarpa Indian Laurel Fig 9, 6, 4 10 G F 1 F 12 Hedged, tags on sidewalk side 26 Eucalyptus
polyanthemos Silver Dollar Gum 18 35 F F F 18 CD, a little sparse, lean towardsstreet 27 Ficus microcarpa Indian Laurel Fig 3.5, 3, 2,
3, 4 10 G F 1 F 7 Hedged, tags on sidewalk side
EmeryStation
Wareham Development
Appendix 1
Survey Data
8-31-21
2 of 2
SBCA Tree Consulting
1534 Rose St. Crockett, Ca 94525
Phone (510) 787-3075
Fax (510) 787-3065
28 Eucalyptus
polyanthemos Silver Dollar Gum 26 35 F F F 26 CD, a little sparse, lean towardsstreet 29 Ficus microcarpa Indian Laurel Fig 8.5 10 G F 1 F 9 Hedged, tags on sidewalk side 30 Eucalyptus
polyanthemos Silver Dollar Gum 15 30 F-P P P 15 CD, two stems joined together,large pruning wounds, lean 31 Ficus microcarpa Indian Laurel Fig 8.5 10 G P 1 F 9 Hedged, Lower limb split 32 Eucalyptus
polyanthemos Silver Dollar Gum 19 20 F P P 19 Large limb removal, CD, lean 33 ? - 2 - D P 1 P - Dead
34 Prunus cerasifera Purple Plum 6.5 5 P P 1 P 7 Not thriving 35 Prunus cerasifera Purple Plum 5, 5, 3.5 10 F-P P 1 P 8 Not thriving 36 Magnolia
grandiflora Southern Magnolia
4, 4, 5.5,
5.5, 4,
4.5 25 G P 1 F 12 Appears a little drought stressed,
cdeb, multi
37 Magnolia
grandiflora Southern Magnolia 4, 5.5,5.5, 4 25 G F 1 F 10 Appears a little drought stressed,multi 38 Magnolia
grandiflora Southern Magnolia 6.5, 5 25 G G 1 G 9 Nice tree 13 Tag # Species Common name DBH Spread Health Structure Street
Tree
Suitability RPZ Notes
Species
Common
Name
Total
Amount
Street
Tree
Overall
Retention
Suitability Comments
1 ? - 1 1 P Dead, Species not known
2 Eucalyptus
polyanthemos
Silver Dollar
Gum 4 F-P
Growing in planting strip back of sidewalk;
All display leans toward the street; Some
structural and health issues
3 Ficus microcarpa Indian Laurel
Fig 4 4 P Hedged
4 Magnolia
grandiflora
Southern
Magnolia 3 3 F-G Nice trees; Drought stressed
5 Persea americana Avocado 1 F
Poor structure; Growing in planting strip
back of sidewalk
6 Prunus cerasifera Purple Plum 2 2 P Poor health and structure 7 Schinus
terebinthifolius
Brazilian
Pepper 3 3 F-G Some vehicle damage, #23 has asignificant lean 18 13
1550 EmeryStation Tree Survey Appendix 2 8-31-21
Wareham Development Tree Location Map 1 of 1
SBCA Tree Consulting Phone (510) 787-3075
1534 Rose St. Crockett, CA 94525 Fax (510) 787-3065
[email protected] www.sbcatree.com
EmeryStation
Wareham Development
Appendix 1
Tree Valuation
8-31-21
1 of 2
SBCA Tree Consulting
1534 Rose St. Crockett, Ca 94525
Phone (510) 787-3075
Fax (510) 787-3065
Prepared in accordance with the 10th Edition of GUIDE FOR PLANT APPRAISAL, published by the International Society of Arboriculture, 2019.
COLUMN HEADING DESCRIPTIONS
Tag# - Indicates the number tag attached to tree
Species - Scientific name
Common Name - Vernacular name
DBH - Diameter measured in inches at 4.5 feet above soil grade, unless otherwise indicated Working DBH - Calculated based upon sum of cross-sectional areas of multiple stems.
Condition - Based upon tree health and structural condition.
Functional Limitations - Limitations such as structures, pavement, wires, etc. that are located within the property where the tree is growing.
External Limitations - Limitations that are located on adjacent property.
Replacement Diameter - Based upon Group Classification listed in Species Classification And Group Assignment, International Society of Arboriculture 2004 Replacement Tree Area - Cross-sectional area of 24" box size replacement tree.
Replacement Cost - Standard cost for purchase and planting of 24' size box tree.
Unit Cost - Unit cost per square inch of tree.
Basic Reproduction Cost - Basic value of tree based only on size and species group.
Depreciated Reproduction Cost - Tree Value depreciated by condition, Functional Limitations and External Limitations.
Tree Value to nearest $100 - Tree Value rounded to nearest $100 Tag # Species
Common
name
DBH
Working
DBH
Trunk Area
(TA) Condition FunctionalLimitations
External
Limitations
Replaceme
nt Tree
Diameter
Replaceme
nt Tree
Area
Replaceme
nt Tree
Cost
Unit Cost
(I/H)
Basic
Reproducti
on Cost
Depreciate
d
Reproducti
on Cost
Value to Nearest
$100
21 Schinus
terebinthifolius
Brazilian
Pepper
16 16 201.062 0.85 0.6 0.7 1.63 2.09 512 244.976 49255.5 17584.2 $ 49,300 22 Schinus
terebinthifolius
Brazilian
Pepper
16 16 201.062 0.7 0.6 0.7 1.63 2.09 512 244.976 49255.5 14481.1 $ 14,500 23 Schinus
terebinthifolius
Brazilian
Pepper
18 18 254.47 0.5 0.6 0.7 1.63 2.09 512 244.976 62339 13091.2 $ 13,100 24 Persea americana Avocado 4, 3 5 19.635 0.55 0.5 0.6 2.2 3.8 512 134.73684 2645.56 436.517 $ 400 25 Ficus microcarpa
Indian
Laurel Fig
9, 6,
4 12 113.098 0.45 0.5 0.8 2.2 3.8 512 134.737 15238.4 2742.91 $ 2,700 EmeryStation
Wareham Development
Appendix 1
Tree Valuation
8-31-21
2 of 2
SBCA Tree Consulting
1534 Rose St. Crockett, Ca 94525
Phone (510) 787-3075
Fax (510) 787-3065
26 Eucalyptus
polyanthemos
Silver
Dollar Gum 18 18 254.47 0.65 0.5 0.6 1.69 2.24 512 228.571 58164.5 11342.1 $ 11,300 27 Ficus microcarpa
Indian
Laurel Fig
3.5,
3, 2,
3, 4
7 38.4846 0.45 0.5 0.8 2.2 3.8 512 134.737 5185.29 933.353 $ 900 28 Eucalyptus
polyanthemos
Silver
Dollar Gum 26 26 530.93 0.65 0.5 0.6 1.69 2.24 512 228.571 121356 23664.3 $ 23,700 29 Ficus microcarpa
Indian
Laurel Fig 8.5 9 63.6174 0.45 0.5 0.8 2.2 3.8 512 134.737 8571.61 1542.89 $ 1,500 30 Eucalyptus
polyanthemos
Silver
Dollar Gum 15 15 176.715 0.35 0.5 0.6 1.69 2.24 512 228.571 40392 4241.16 $ 4,200 31 Ficus microcarpa
Indian
Laurel Fig 8.5 9 63.6174 0.45 0.5 0.8 2.2 3.8 512 134.737 8571.61 1542.89 $ 1,500 32 Eucalyptus
polyanthemos
Silver
Dollar Gum 19 19 283.529 0.45 0.5 0.6 1.69 2.24 512 228.571 64806.7 8748.91 $ 8,700 33 ? Dead 2 2 3.1416 0 1 1 2.46 4.75 512 107.789 338.631 0 $ - 34 Prunus cerasifera Purple
Plum 6.5 7 38.4846 0.55 0.5 0.6 1.69 2.24 512 228.571 8796.48 1451.42 $ 1,500 35 Prunus cerasifera Purple
Plum
5, 5,
3.5 8 50.2656 0.35 0.5 0.6 1.69 2.24 512 228.571 11489.3 1206.37 $ 1,200 36 Magnolia
grandiflora
Southern
Magnolia
4, 4,
5.5,
5.5,
4, 4.5
12 113.098 0.55 0.8 0.7 2.2 3.8 512 134.737 15238.4 4693.43 $ 4,700 37 Magnolia
grandiflora
Southern
Magnolia
4,
5.5,
5.5, 4
10 78.54 0.75 0.8 0.7 2.2 3.8 512 134.737 10582.2 4444.54 $ 4,400 38 Magnolia
grandiflora
Southern
Magnolia 6.5, 5 9 63.6174 0.85 0.7 0.6 2.2 3.8 512 134.737 8571.61 3060.06 $ 3,100 $ 146,700
Tag # Species
Common
name
DBH
Working
DBH
Trunk Area
(TA) Condition FunctionalLimitations
External
Limitations
Replaceme
nt Tree
Diameter
Replaceme
nt Tree
Area
Replaceme
nt Tree
Cost
Unit Cost
(I/H)
Basic
Reproducti
on Cost
Depreciate
d
Reproducti
on Cost
Value to Nearest
$100
Species
Common
Name
Total
Amount
Street
Tree
Overall
Retention
Suitability Comments
1 ? - 1 1 P Dead, Species not known
2 Eucalyptus
polyanthemos
Silver Dollar
Gum 4 F-P
Growing in planting strip back of sidewalk;
All display leans toward the street; Some
structural and health issues
3 Ficus microcarpa Indian Laurel
Fig 4 4 P Hedged
4 Magnolia
grandiflora
Southern
Magnolia 3 3 F-G Nice trees; Drought stressed
5 Persea americana Avocado 1 F
Poor structure; Growing in planting strip
back of sidewalk
6 Prunus cerasifera Purple Plum 2 2 P Poor health and structure 7 Schinus
terebinthifolius
Brazilian
Pepper 3 3 F-G Some vehicle damage, #23 has asignificant lean 18 13