Tree Pruning Proposal T1517 T1530 
Project Title: Main Contract for Footbridge at Tuen Mun River
Client: Peako Engineering Co. Limited
Location: Tuen Mun Town Park
Tree Pruning Proposal for
T1517 to T1530
Prepared by
Cho Shek Man (ISA Certified Arborist No.: HK-1007A)
Date: 13 January 2015
1.
INTRODUCTION
14 trees (tag no. T1517 to T1530) are located at the site where the construction works of the new footbridge at Tuen Mun River are carried out. Because of phototropism, the tree crowns were asymmetrical, skewing to the West. The objective of this pruning proposal is to provide indicative pruning cutline to tree canopy to maintain the crown symmetry and the tree health. The general status of the trees is summarized in Table 1 and the tree location is shown in
Figure 1.
To promote a symmetric tree canopy, all crown pruning works will be process base on arboricultural practices; Pruning to clean, thin and reduce method adopted from “Best Management Practice Tree Pruning Revised 2008” issued by
International Society of Arboriculture in according with companion publication to the ANSI A300 Part 1: Tree, Shrub, and Other Woody plant
Maintenance – Standard Practices, Pruning. General information regarding to these methods has been attached under Annex I. For detail, please refer to the guideline booklet mentioned above.
Table 1. General status of trees that will be affected by the sheet piling works
Tree
No.
Botanical
Name
Chinese
Name
Height
(m)
Trunk
Diameter
(DBH)
(mm)
Spread
(m)
Health
Good
Fair
Form
Good
Fair
Amenity
Value
High
Poor
Poor
Medium
Low
Proposed treatment T1517
Koelreuteria bipinnata
複葉欒樹
6.9
180
5.3
G
G
H
Pruning
T1518
Koelreuteria bipinnata
複葉欒樹
7.2
230
6.2
G
G
H
Pruning
T1519
Koelreuteria bipinnata
複葉欒樹
7.1
130
6
F
F
H
Pruning
T1520
Koelreuteria bipinnata
複葉欒樹
7.3
140
4.5
G
G
H
Pruning
T1521
Koelreuteria bipinnata
複葉欒樹
7.7
170
3.1
F
F
H
Pruning
T1522
Koelreuteria bipinnata
複葉欒樹
7.7
160
4.7
G
G
H
Pruning
Client: Peako Engineering Co. Limited
Location: Tuen Mun Town Park
Tree Pruning Proposal for
T1517 to T1530
Prepared by
Cho Shek Man (ISA Certified Arborist No.: HK-1007A)
Date: 13 January 2015
1.
INTRODUCTION
14 trees (tag no. T1517 to T1530) are located at the site where the construction works of the new footbridge at Tuen Mun River are carried out. Because of phototropism, the tree crowns were asymmetrical, skewing to the West. The objective of this pruning proposal is to provide indicative pruning cutline to tree canopy to maintain the crown symmetry and the tree health. The general status of the trees is summarized in Table 1 and the tree location is shown in
Figure 1.
To promote a symmetric tree canopy, all crown pruning works will be process base on arboricultural practices; Pruning to clean, thin and reduce method adopted from “Best Management Practice Tree Pruning Revised 2008” issued by
International Society of Arboriculture in according with companion publication to the ANSI A300 Part 1: Tree, Shrub, and Other Woody plant
Maintenance – Standard Practices, Pruning. General information regarding to these methods has been attached under Annex I. For detail, please refer to the guideline booklet mentioned above.
Table 1. General status of trees that will be affected by the sheet piling works
Tree
No.
Botanical
Name
Chinese
Name
Height
(m)
Trunk
Diameter
(DBH)
(mm)
Spread
(m)
Health
Good
Fair
Form
Good
Fair
Amenity
Value
High
Poor
Poor
Medium
Low
Proposed treatment T1517
Koelreuteria bipinnata
複葉欒樹
6.9
180
5.3
G
G
H
Pruning
T1518
Koelreuteria bipinnata
複葉欒樹
7.2
230
6.2
G
G
H
Pruning
T1519
Koelreuteria bipinnata
複葉欒樹
7.1
130
6
F
F
H
Pruning
T1520
Koelreuteria bipinnata
複葉欒樹
7.3
140
4.5
G
G
H
Pruning
T1521
Koelreuteria bipinnata
複葉欒樹
7.7
170
3.1
F
F
H
Pruning
T1522
Koelreuteria bipinnata
複葉欒樹
7.7
160
4.7
G
G
H
Pruning