Royal Rouge Trail Erosion Control Project - Toronto and Region ...

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Step 3: The Baseline Inventory Class EA Planning and Design Process A full description of the baseline will be documented in the final report for this project that will: • Ensure that both the directly and indirectly affected environments are taken into consideration during the development and design of the preferred remedial measure • Serve as a baseline from which to monitor the effectiveness of the action taken Geotechnical Investigation and Slope Stability Analysis Geotechnical Investigation and Slope Stability Analysis #30 to #48 Royal Rouge Trail Toronto, Ontario Prepared by Terraprobe Ltd. Mike Tanos, P.Eng. Jason Crowder, P.Eng. June 18, 2009 Terraprobe Ltd. Site Overview - Previous Investigations Outline of Work ● Site Overview – Previous Investigations ● Geology and Subsurface Conditions ● Site Inspection 2007 ● Existing Conditions 2009 ● Development of Remedial Alternatives ● 1984 - Geotechnical Investigation (Soil-Eng) for subdivision plan approval ● 1985 - Stormwater Management Report (Fred Shaeffer & Assoc) as part of TRCA purchase of ravine land ● 1994 - TRCA retains Terraprobe to complete a slope stability assessment behind 42 Royal Rouge Trail following collapse of fence. Note: tree planting and gravel blanket placed previous year by TRCA T (1993) ● 1997 - Terraprobe submits report of updated slope stability assessment for 42 Royal Rouge Trail, following complaint of additional loss of property. Buttress and plantings subsequently installed (1998) ● 2001 - Terraprobe completes updated slope stability assessment for 42 Royal Rouge Trail following complaint of additional loss of property. Timber retaining wall, gravel and plantings subsequently installed (2003) ● 2007 - Slope stability assessment for 30-48 Royal Rouge Trail by Terraprobe commences following petition by residents (2004) ● 2008 – Terraprobe presents results of study to community Terraprobe Ltd. 3
Geology of the Area BH1 BH2 BH3 Terraprobe Ltd. Subsurface Conditions BH1 #32 Ground water level from 4.6 to 5.0 metres below ground (in sand ~1 to 2 metres above clayey silt layer) Areas of less vegetation Seepage Bare areas (no vegetation) Gravel fill Observed crest of slope Terraprobe Ltd. Terraprobe Ltd. General Slope Observations ● Generally well vegetated ● some downed trees ● Several bare areas ● indications of recent erosion, slumping or sloughing of upper silty sand ● Some undercutting and seepage in same areas ● No evidence of water directed over slope ● Large tree toppled at #48 (spring 2007) ● Slope steep & bare, and has regressed close to pool ● Gravel infilling at #42 Terraprobe Ltd. Terraprobe Ltd. 4
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Royal Rouge Trail Erosion Control P
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Executive Summary Toronto and Regio
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5.1.2 Biological Environment.......
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1.0 INTRODUCTION Toronto and Region
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Almost twenty years of experience h
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Canadensis), Eastern white pine (Pi
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Figure 7. Active erosion behind Nos
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1.5 Rationale for Undertaking In 20
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The results of the adoption of the
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danger to the existing dwelling, so
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A Rouge Watershed Task Force was fo
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Toronto Transit Commission (TTC) we
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were involved in long range exchang
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four of which are interrupted by th
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Three sites of potential importance
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Conduct Archaeological Exploration
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The primary purpose of the Stage 3
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2.4.3 Corvese Site (AKGs-046) The C
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during the Stage 4 excavation, whic
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Toronto Field Naturalists Toronto O
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20-Oct-09 6:00 AM 10 Ozone (O3) 20-
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L4 Generally secure; may be a conse
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Flora Species of Concern Rouge Vall
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Fauna Species of Concern Rouge Rive
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Table 8. Bird Species observed with
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Figure 17. General area of Rouge Ri
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5) Six Nations of the Grand River T
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42 14 3 5 44 14 6 9 46 14 9 11 48 1
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2. Concept 2 - Extended Retaining W
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As this option does not address, re
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Figure 21. Proposed Preliminary Con
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Table 13 provides a comparison of t
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5.0 ENVIRONMENTAL SCREENING 5.1 Det
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Rating of Potential Effects Screeni
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Habitat Linkages or Corridors The p
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Existing Infrastructure, Support Se
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Comment forms were distributed by T
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the options presented, to select th
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Government of Canada. Committee on
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APPENDIX A Criteria & Implementatio
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APPENDIX C Design Drawings of the P
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28 SCARBOROUGH MIRROR | Friday, Mar
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onserRvaoon for The Living City 1 E
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onserRvaNiiOn for The Living City 1
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Patricia Newland/MTRCA 04/29/2009 0
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onserRvaoon for The Living City 1 E
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onserRvaNfiOn for The Living City 1
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[attachment "TALL PINES_CLC Map.pdf
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Page 116 and 117: If you have any questions or would
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Page 128 and 129: This document has been prepared exc
Page 130 and 131: emedial works are required to provi
Page 132 and 133: • Remedial measures shall be desi
Page 134 and 135: TRCA remedial erosion control works
Page 136 and 137: The following is an outline of the
Page 138 and 139: 10 CLC Information Package Toronto
Page 146 and 147: Christopher M. Reid Barrister & Sol
Page 148 and 149: 3 factors. These divisions into new
Page 150 and 151: communities to gather evidence of t
Page 152 and 153: The Williams Treaties of 1923 Once
Page 154 and 155: 9 The duty of the Crown to consult
Page 156: n CON{CLTJSION fhe commlrnity.ol-Ka
Page 159 and 160: 28 SCARBOROUGH MIRROR | Friday, Mar
Page 161 and 162: TORONTO AND REGION CONSER' ROYAL RO
Page 163: Step 1: Notify Public • “Notice
Page 167 and 168: 48 to 44 Royal Rouge Trail 42 Royal
Page 169 and 170: Remediation Options • Site divide
Page 171 and 172: Site B - Preliminary Concept 1 Typi
Page 173 and 174: Site B - Preliminary Concept 2 Typi
Page 175 and 176: CFN 39382.1 B3-33-2 MINUTES ROYAL R
Page 177 and 178: CFN 39382.1 B3-33-2 ‣ Mike Tanos
Page 179 and 180: ‣ JB & MM explain further about t
Page 188 and 189: TORONTO AND REGION CONSERVATION AUT
Page 194 and 195: danielle giggie 06/30/2009 12:42 A
Page 196: Thank you kindly, Kyle Reyes Enviro
Page 200 and 201: find attached the questionnaire in
Page 202 and 203: NOTICE OF PUBLIC MEETING ROYAL ROUG
Page 204 and 205: Lindsay Prihoda/TRCA 11/25/2009 03:
Page 209 and 210: Outline of Work Subsurface and Slop
Page 211 and 212: Potential Impact Site A - Evaluatio
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Site Access Points Between #32 & #3
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CFN 38392 B3-33-2 MINUTES CLC Meeti
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CFN 38392 B3-33-2 crest will be bey
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CFN 38392 B3-33-2 • Attendee inqu
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CFN 38392 B3-33-2 ‣ JB explains t
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deborag@rogers.com 02/12/2010 10:11
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TORONTO AND REGION CONSERVATION AUT
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17 th century Seneca Village 19 th
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CFN 38392 B3-33-2 MINUTES Meeting w
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CFN 38392 B3-33-2 and the Archaeolo
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CFN 38392 B3-33-2 • Attendee inqu
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CFN 38392 B3-33-2 Investigation 3.
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Moranne McDonnell/MTRCA 06/28/2010
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Cell : +1 (416) 917-8315 ADVS korah
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approvals needed to commence constr
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Toronto and Region Conservation Aut
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We are currently in the process of
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Envirolok Retaining Wall Systems En
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CFN 38392 B3-33-2 the property at #
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CFN 38392 B3-33-2 approximately 1 m
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NOTICE OF FILING 30 - 48 ROYAL ROUG
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Ministry of Tourism and Culture Min
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"Susan Hughes" 06/29/2011 02:58 PM
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"Susan Hughes" 06/14/2011 12:49 P
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Hi Janice I will put it back on the
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