Landscapes - Summer 2018 - 68

EXCELLENCE 2018

LANDSCAPE MANAGEMENT

SCATLIFF + MILLER + MURRAY

/ WASCANA IRRIGATION
MASTER PLAN FOR WASCANA PARK, REGINA

/ SEEING THE BOTTOM LINE:
RIGOROUS SUBSTANTIVE ANALYSIS

TABLE OF CONTENTS
EXECUTIVE SUMMARY 1
HOW TO USE THIS DOCUMENT 5
LIST OF MAPS 7
BACKGROUND 9

REGINA'S WASCANA PARK is one of the largest urban parks in North
America, and when its antiquated high-maintenance irrigation system
needed to be modernized, the LAs took a radical step. They developed
a custom groundcover maintenance "calculator," which provided
the economic rationale to totally re-think the landscape approach.
The thrust: to vastly reduce irrigation requirements by converting
select areas of groundcover to native and non-invasive drought
tolerant species, and to reduce irrigated land by 20 per cent over time.
The team spent countless hours in the field assessing groundcover
conditions to create a baseline. The calculator tested numerous iterations
of groundcover maintenance and conversion to ensure sustainability and
operational efficiency. "This is rigorous, substantive analysis," said the CSLA
Jury, "and will result in better outcomes for landscape health and bottom
lines. Hundreds of communities need to do this. With a clear, quantitative
assessment, it's easier to talk to people about the value of changing old
practices... they see the bottom line."

Definitions 11
BASELINE OVERVIEW 17
Existing Irrigation System 17
Existing Vegetation Cover 20
Area-by-Area Overview of Groundcover 22
IRRIGATION MASTER PLAN 47
Overall Approach 47
Brand Review 50
Controls philosophy/narrative 50
Site Disturbance 51
Moisture Monitoring 52
Operational Approach 52
VEGETATIVE COVER MASTER PLAN 55
Overall Approach 55
A. Groundcover Improvement 57
B. Groundcover Conversion 60
C. Alternative Maintenance Regime 65
New Vegetative Cover 67
A. Non-Irrigated Sites 67
B. Irrigated Areas 74
C. Alternative Maintenance Regime 76
Descriptions of Ground Cover Treatment by Area 79
Approach to Densely-Treed Area 84

/ UNE RENTABILITÉ ÉVIDENTE
LE PARC WASCANA de Regina est l'un des plus grands parcs urbains
d'Amérique du Nord, et lorsque son système d'irrigation désuet a dû
être modernisé, les AP ont pris une mesure radicale. Ils ont développé un
« calculateur » d'entretien du couvert végétal. L'idée maîtresse : réduire les
besoins d'irrigation en convertissant certaines zones de couvert végétal en
espèces indigènes et non envahissantes, tolérantes à la sécheresse.
L'équipe a passé d'innombrables heures sur le terrain pour créer une base
de référence. Le calculateur a testé de nombreuses itérations de l'entretien
et de la conversion des couverts végétaux pour assurer la durabilité et
l'efficacité opérationnelle, et pour réduire les terres irriguées de 20 % au fil
du temps. « C'est là une analyse rigoureuse et substantielle, a déclaré le jury
de l'AAPC, et il en sortira de meilleurs résultats pour la santé du paysage et
le budget municipal. Des centaines de collectivités doivent emboîter le pas.
Avec une évaluation quantitative claire, on a moins de mal à expliquer l'utilité
des nouvelles pratiques. »

PHASED WORK ANALYSIS 93
Irrigation Phasing Strategy 93
Landscape Phasing Strategy 95
Groundcover Conversion 97
Landscape Phasing Scope of Work 106
FINANCIAL ANALYSIS 223
Operations & Maintenance Overview 223
Construction Cost Evaluation 228
OTHER CONSIDERATIONS 235
Infrastructure Improvements 235
Communications Strategy 236
Funding - Green Municipal Fund 236
Sustainable Sites Initiative 238
Weeds of Concern in Wascana Center 240
Construction Tendering Process 241
Future Areas for Revegetation to be Considered 245

-----
BOB SOMERS
bsomers@scatliff.ca
Full project credits | Crédits complets > LP+
1 MASTER PLAN CONTENTS 2 LOW INPUT/ZERO IRRIGATION/NATIVE
SHORT GRASS GROUNDCOVER INSTALLATION 3 EXISTING IRRIGATED
LANDSCAPE 4 EXISTING NON-IRRIGATED LANDSCAPE.

68 LANDSCAPES PAYSAGES

APPENDICES
A. Existing Vegetation Cover Classes
B. Maintenance Calculators
C . Weed Guide
D. Irrigation Maps
E. Native Grasses Performance Criteria

1



Table of Contents for the Digital Edition of Landscapes - Summer 2018

TO BEGIN WITH
ADJUDICATION
COLLABORATION
PROLOGUE
EXCELLENCE 2018 Projects That Sing... and Whisper
JURY’S AWARD OF EXCELLENCE
Large-Scale Public Landscapes
Medium-Scale Public Landscapes
Small-Scale Public Landscapes
Residential Landscapes
Planning and Analysis
Research
Landscape Management
FELLOWSHIP OF THE RING
PARTING SHOT
Landscapes - Summer 2018 - Intro
Landscapes - Summer 2018 - cover1
Landscapes - Summer 2018 - cover2
Landscapes - Summer 2018 - 3
Landscapes - Summer 2018 - 4
Landscapes - Summer 2018 - 5
Landscapes - Summer 2018 - 6
Landscapes - Summer 2018 - 7
Landscapes - Summer 2018 - TO BEGIN WITH
Landscapes - Summer 2018 - 9
Landscapes - Summer 2018 - ADJUDICATION
Landscapes - Summer 2018 - 11
Landscapes - Summer 2018 - COLLABORATION
Landscapes - Summer 2018 - 13
Landscapes - Summer 2018 - 14
Landscapes - Summer 2018 - 15
Landscapes - Summer 2018 - PROLOGUE
Landscapes - Summer 2018 - 17
Landscapes - Summer 2018 - 18
Landscapes - Summer 2018 - 19
Landscapes - Summer 2018 - 20
Landscapes - Summer 2018 - 21
Landscapes - Summer 2018 - 22
Landscapes - Summer 2018 - 23
Landscapes - Summer 2018 - 24
Landscapes - Summer 2018 - 25
Landscapes - Summer 2018 - 26
Landscapes - Summer 2018 - EXCELLENCE 2018 Projects That Sing... and Whisper
Landscapes - Summer 2018 - 28
Landscapes - Summer 2018 - 29
Landscapes - Summer 2018 - JURY’S AWARD OF EXCELLENCE
Landscapes - Summer 2018 - 31
Landscapes - Summer 2018 - 32
Landscapes - Summer 2018 - 33
Landscapes - Summer 2018 - 34
Landscapes - Summer 2018 - 35
Landscapes - Summer 2018 - Large-Scale Public Landscapes
Landscapes - Summer 2018 - 37
Landscapes - Summer 2018 - Medium-Scale Public Landscapes
Landscapes - Summer 2018 - 39
Landscapes - Summer 2018 - 40
Landscapes - Summer 2018 - 41
Landscapes - Summer 2018 - Small-Scale Public Landscapes
Landscapes - Summer 2018 - 43
Landscapes - Summer 2018 - 44
Landscapes - Summer 2018 - 45
Landscapes - Summer 2018 - 46
Landscapes - Summer 2018 - 47
Landscapes - Summer 2018 - 48
Landscapes - Summer 2018 - 49
Landscapes - Summer 2018 - 50
Landscapes - Summer 2018 - 51
Landscapes - Summer 2018 - Residential Landscapes
Landscapes - Summer 2018 - 53
Landscapes - Summer 2018 - 54
Landscapes - Summer 2018 - 55
Landscapes - Summer 2018 - Planning and Analysis
Landscapes - Summer 2018 - 57
Landscapes - Summer 2018 - 58
Landscapes - Summer 2018 - 59
Landscapes - Summer 2018 - 60
Landscapes - Summer 2018 - 61
Landscapes - Summer 2018 - 62
Landscapes - Summer 2018 - 63
Landscapes - Summer 2018 - Research
Landscapes - Summer 2018 - 65
Landscapes - Summer 2018 - Landscape Management
Landscapes - Summer 2018 - 67
Landscapes - Summer 2018 - 68
Landscapes - Summer 2018 - 69
Landscapes - Summer 2018 - 70
Landscapes - Summer 2018 - 71
Landscapes - Summer 2018 - 72
Landscapes - Summer 2018 - 73
Landscapes - Summer 2018 - FELLOWSHIP OF THE RING
Landscapes - Summer 2018 - 75
Landscapes - Summer 2018 - 76
Landscapes - Summer 2018 - 77
Landscapes - Summer 2018 - 78
Landscapes - Summer 2018 - 79
Landscapes - Summer 2018 - 80
Landscapes - Summer 2018 - 81
Landscapes - Summer 2018 - 82
Landscapes - Summer 2018 - 83
Landscapes - Summer 2018 - 84
Landscapes - Summer 2018 - 85
Landscapes - Summer 2018 - PARTING SHOT
Landscapes - Summer 2018 - cover3
Landscapes - Summer 2018 - cover4
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