Landscapes - Fall 2014 - 44

NATIONAL MERIT | MÉRITE NATIONAL




Utility repair and emergency access is
integrated utilities and root zones.

 
*
*

Increase both the number and size
Grow large-canopy trees with a 40+ year life span and 40cm diameter at breast height

 
*
*
*

Examine and analyze urban forestry practices for eight North American municipalities with similar
climate and density
Provide cost-effective recommendations
Test proposed methods in utility installation and repair scenarios

 
*





Plant fewer trees with greater soil volu
hardware in open planters where spac

Report includes analysis of urban forestry practices for eight North American municipalities with
similar climate and density
Informed the Best Practices Manual

TREE PLANTING SOLUTIONS
Toronto
*

 
*
*

Streetscapes are harsh environments for trees
Many do not survive or grow to a large canopy size







In addition to providing adequate soil v
components were recommended. Mulc
and a root zone ID marker were discus
selection, recommended species, insta
report and specifications.

Tree spacing recommended 10.0m



A surface rainwater harvesting system
was designed that collects and
distributes water flowing across the
paving surface. Water slopes down int
a rill along the curb and falls into a dra
inlet. Irrigation pipes connected to the
inlet catch basin distribute the water
evenly across the top of the soil under
the paving.


Open planter 14.0m wide with
0.2 wide curbs. Total width 14.8m
Tree spacing recommended 10.0m

Tree spacing recommended 10.0m
6.0m


Open planter 14.0m wide with
0.2 wide walls Total width 14.8m
Tree spacing recommended 10.0m

Tree spacing recommended 10.0m
6.0m



Mature urban street trees begin with he
suitability list was developed that is sp
was designed for local conditions and
Pedestrian clearway
min. 2.1m (recommended)

RESEARCH | RECHERCHE
CLIENT | PROPRIÉTAIRE CITY OF TORONTO FIRM | FIRME DTAH
admin@dtah.com
JURY COMMENT | COMMENTAIRE DU JURY :
A well-laid-out guideline from principal to implementation,
incorporating details and specifications. Every municipality
should be familiar with the concepts. | Un guide bien pensé qui
couvre tout en incluant des détails et des fiches techniques.
Toute municipalité devrait se familiariser avec ces concepts.

44 LANDSCAPES PAYSAGES



EN_ When the City of Toronto commissioned DTAH to
examine municipal precedents for growing large street trees
in sidewalks, DTAH brought urban forestry expert James
Urban together with landscape architects, arboriculturists
and engineers to produce this exemplary manual. The manual
sets a new bar for tree planting, clearly linking tree health and
longevity with soil volume and providing detailed cost-efficient
options to achieve the target 20 to 30 cubic metres of soil per
tree within the confines of a city sidewalk.
The project began with analysis of urban forestry practices in
Toronto and eight North American municipalities with similar
climate and density. This research informed the manual's
guiding principles and its detailed descriptions of three
proposed construction methods (including specifications
for rainwater harvesting and horticultural needs). Since tree
planting must often be integrated with utilities, structural
concrete slabs or soil cells accommodate enough soil under
the sidewalk to grow trees for 40+ years. The manual also
considers utility repair: it documents demonstration projects
Landscape Architect: DTAH

Project Team: | ARUP | James Urban - Urban Trees + Soils | Urban Forest Innovations Inc.



Landscapes - Fall 2014

Table of Contents for the Digital Edition of Landscapes - Fall 2014

To Begin With | Pour Commencer
Upfront | Prologue
Excellence 2014 | Les Prix D’excellence – Cru 2014
National Honour | Honneur National
National Merit | Mérite National
National Citation | Citation Nationale
The Regionals | Prix Régionaux
Adjudication
CSLA: 80 Years | Aapc : 80 Ans
LACF | FACP
Critique | Critique
Urban Design Awards
The Last Word | Le Mot De La Fin
LP+ Online | En Ligne
“Making a Landscape” … Excerpt
FP_LP+ | Architecture de Paysage du Canada
Lake Effect – Harbourfront Show
FR_LP+ | Profil du Jury
FR_LP+ | EN_LP+ | Hatley Castle Today
Hatley Castle
FR_LP+ | Poser Les Bonnes Questions
FR_LP+ | Prix de Design Urbain
FR_LP+ | Des emblèmes : Non Merci !
Landscapes - Fall 2014 - Cover1
Landscapes - Fall 2014 - Cover2
Landscapes - Fall 2014 - 3
Landscapes - Fall 2014 - 4
Landscapes - Fall 2014 - 5
Landscapes - Fall 2014 - 6
Landscapes - Fall 2014 - 7
Landscapes - Fall 2014 - 8
Landscapes - Fall 2014 - 9
Landscapes - Fall 2014 - 10
Landscapes - Fall 2014 - 11
Landscapes - Fall 2014 - To Begin With | Pour Commencer
Landscapes - Fall 2014 - 13
Landscapes - Fall 2014 - Upfront | Prologue
Landscapes - Fall 2014 - 15
Landscapes - Fall 2014 - 16
Landscapes - Fall 2014 - 17
Landscapes - Fall 2014 - 18
Landscapes - Fall 2014 - 19
Landscapes - Fall 2014 - 20
Landscapes - Fall 2014 - 21
Landscapes - Fall 2014 - Excellence 2014 | Les Prix D’excellence – Cru 2014
Landscapes - Fall 2014 - 23
Landscapes - Fall 2014 - National Honour | Honneur National
Landscapes - Fall 2014 - 25
Landscapes - Fall 2014 - 26
Landscapes - Fall 2014 - 27
Landscapes - Fall 2014 - 28
Landscapes - Fall 2014 - 29
Landscapes - Fall 2014 - National Merit | Mérite National
Landscapes - Fall 2014 - 31
Landscapes - Fall 2014 - 32
Landscapes - Fall 2014 - 33
Landscapes - Fall 2014 - 34
Landscapes - Fall 2014 - 35
Landscapes - Fall 2014 - 36
Landscapes - Fall 2014 - 37
Landscapes - Fall 2014 - 38
Landscapes - Fall 2014 - 39
Landscapes - Fall 2014 - 40
Landscapes - Fall 2014 - 41
Landscapes - Fall 2014 - 42
Landscapes - Fall 2014 - 43
Landscapes - Fall 2014 - 44
Landscapes - Fall 2014 - 45
Landscapes - Fall 2014 - National Citation | Citation Nationale
Landscapes - Fall 2014 - 47
Landscapes - Fall 2014 - 48
Landscapes - Fall 2014 - 49
Landscapes - Fall 2014 - The Regionals | Prix Régionaux
Landscapes - Fall 2014 - 51
Landscapes - Fall 2014 - 52
Landscapes - Fall 2014 - 53
Landscapes - Fall 2014 - 54
Landscapes - Fall 2014 - 55
Landscapes - Fall 2014 - 56
Landscapes - Fall 2014 - 57
Landscapes - Fall 2014 - 58
Landscapes - Fall 2014 - Adjudication
Landscapes - Fall 2014 - 60
Landscapes - Fall 2014 - CSLA: 80 Years | Aapc : 80 Ans
Landscapes - Fall 2014 - 62
Landscapes - Fall 2014 - 63
Landscapes - Fall 2014 - LACF | FACP
Landscapes - Fall 2014 - 65
Landscapes - Fall 2014 - 66
Landscapes - Fall 2014 - 67
Landscapes - Fall 2014 - Critique | Critique
Landscapes - Fall 2014 - 69
Landscapes - Fall 2014 - Urban Design Awards
Landscapes - Fall 2014 - 71
Landscapes - Fall 2014 - 72
Landscapes - Fall 2014 - 73
Landscapes - Fall 2014 - 74
Landscapes - Fall 2014 - 75
Landscapes - Fall 2014 - 76
Landscapes - Fall 2014 - 77
Landscapes - Fall 2014 - 78
Landscapes - Fall 2014 - 79
Landscapes - Fall 2014 - 80
Landscapes - Fall 2014 - 81
Landscapes - Fall 2014 - The Last Word | Le Mot De La Fin
Landscapes - Fall 2014 - Cover3
Landscapes - Fall 2014 - Cover4
Landscapes - Fall 2014 - LP+ Online | En Ligne
Landscapes - Fall 2014 - LPplus2
Landscapes - Fall 2014 - LPplus3
Landscapes - Fall 2014 - “Making a Landscape” … Excerpt
Landscapes - Fall 2014 - LPplus5
Landscapes - Fall 2014 - LPplus6
Landscapes - Fall 2014 - LPplus7
Landscapes - Fall 2014 - FP_LP+ | Architecture de Paysage du Canada
Landscapes - Fall 2014 - LPplus9
Landscapes - Fall 2014 - LPplus10
Landscapes - Fall 2014 - Lake Effect – Harbourfront Show
Landscapes - Fall 2014 - LPplus12
Landscapes - Fall 2014 - FR_LP+ | Profil du Jury
Landscapes - Fall 2014 - Hatley Castle
Landscapes - Fall 2014 - LPplus15
Landscapes - Fall 2014 - FR_LP+ | Poser Les Bonnes Questions
Landscapes - Fall 2014 - LPplus17
Landscapes - Fall 2014 - LPplus18
Landscapes - Fall 2014 - LPplus19
Landscapes - Fall 2014 - FR_LP+ | Prix de Design Urbain
Landscapes - Fall 2014 - LPplus21
Landscapes - Fall 2014 - FR_LP+ | Des emblèmes : Non Merci !
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