Highway 401 Expansion Project Credit River to Regional Road 25
Total Page:16
File Type:pdf, Size:1020Kb
HIGHWAY 401 EXPANSION PROJECT CREDIT RIVER TO REGIONAL ROAD 25 Design and Construction Report No. 1 Detail Design and Class Environmental Assessment Study (Group ‘B’) Document Number: WCC-ENV-RPT-00001 AUGUST 2019 Highway 401 Expansion Project Credit River to Regional Road 25 Design and Construction Report No. 1 August 2019 HIGHWAY 401 EXPANSION PROJECT DESIGN AND CONSTRUCTION REPORT DETAIL DESIGN AND CLASS ENVIRONMENTAL ASSESSMENT STUDY (GROUP ‘B’) Prepared by West Corridor Constructors: ____________________ ______________________ Salina Chan Melissa Raffoul Environmental Planner Environmental Planner Reviewed by: ______________________ ______________________ Sarah Merriam Derek Surgeoner Environmental Manager Deputy Design Lead Approved by: _____________________ ______________________ David Ellis Paul Draycott Project Director Environmental Director WCC Page 1 of 81 Highway 401 Expansion Project Credit River to Regional Road 25 Design and Construction Report No. 1 August 2019 THE PUBLIC RECORD This Design and Construction Report (DCR) has been prepared under the Ministry of Transportation (MTO) Class Environmental Assessment for Provincial Transportation Facilities (2000). The preliminary design for this project was approved following the filing of the “Highway 401 Improvements from East of the Credit River to Trafalgar Road W.O. 07-20021, Preliminary Design and Class Environmental Assessment Study (May, 2013)” and the “Highway 401 Improvements from Trafalgar Road to Regional Road 25 Preliminary Design and Class Environmental Assessment Study, W.O. 07-20024 (March, 2013)”. This DCR is available for a 30-day agency and public review period commencing August 22, 2019 and ending September 20, 2019 during regular businesses hours at the following locations: Highway 401 Expansion Ministry of Transportation Region of Peel, Clerk’s Division Project Office Central Region, Major 2000 Argentia Road, Plaza Projects Office 10 Peel Centre Drive, 5, Suite 500 Suite A and B 159 Sir William Hearst Brampton, ON L6T 4B9 Mississauga, ON L5N 2R7 Avenue, 7th Floor, Toronto, ON M3M 0B7 Tel: (416) 235-3749 City of Mississauga, Office Halton Region, Clerk’s Town of Milton, Clerk’s of the City Clerk Office Office 300 City Centre Drive 1151 Bronte Road 150 Mary Street Mississauga, ON L5B 3C1 Oakville, ON L6M 3L1 Milton, ON L9T 6Z5 Town of Halton Hills, The DCR is also available for review online at the Clerk’s Department project website: www.401expansion-missisauga- milton.ca 1 Halton Hills Drive Halton Hills, ON L7G 5G2 Ce document hautement spécialisé n'est disponible qu'en anglais en vertu du réglement 671/92, qui en exempte l'application de la Loi sur les services en français. Pour de l'aide en français, veuillez communiquer au 1-888-619-1665. WCC Page 2 of 81 Highway 401 Expansion Project Credit River to Regional Road 25 Design and Construction Report No. 1 August 2019 Table of Contents 1 INTRODUCTION .............................................................................................................. 9 1.1 HIGHWAY 401 EXPANSION PROJECT ................................................................................... 9 1.2 ENVIRONMENTAL ASSESSMENT PROCESS ..........................................................................11 ONTARIO ENVIRONMENTAL ASSESSMENT ACT (EAA) .........................................................11 CANADIAN ENVIRONMENTAL ASSESSMENT ACT (CEAA) .....................................................12 1.3 PUBLIC PRIVATE PARTNERSHIP ..........................................................................................12 2 DESCRIPTION OF WORKS INCLUDED IN DCR NO. 1 .................................................14 2.1 CLEARING AND GRUBBING .................................................................................................15 2.2 CN RAIL OVERHEAD STRUCTURES .....................................................................................15 2.3 CP RAIL OVERHEAD STRUCTURES .....................................................................................16 2.4 TRAFALGAR ROAD UNDERPASS STRUCTURE ......................................................................16 3 CONSULTATION ............................................................................................................16 3.1 CONSULTATION DURING PRELIMINARY DESIGN ...................................................................16 3.2 CONSULTATION DURING DETAIL DESIGN – OVERALL APPROACH .........................................17 PROJECT CONTACT LIST....................................................................................................17 NOTICE OF STUDY COMMENCEMENT AND DESIGN AND CONSTRUCTION REPORT NO. 1 SUBMISSION ......................................................................................................................17 PROJECT WEBSITE, TOLL-FREE LINE AND EMAIL ADDRESS ................................................18 PUBLIC INFORMATION CENTRE (PIC) ..................................................................................18 CONSULTATION WITH EXTERNAL AGENCIES AND KEY STAKEHOLDERS ................................19 GOVERNMENTAL AUTHORITY ENVIRONMENTAL MEETING (GAEM) .......................................19 INDIGENOUS CONSULTATION ..............................................................................................19 3.3 CONSULTATION UNDERTAKEN UP TO DCR NO. 1 WORKS ....................................................19 GAEM NO. 1 ....................................................................................................................19 CONSULTATION WITH EXTERNAL AGENCIES AND KEY STAKEHOLDERS ................................20 4 DETAILED DESCRIPTION OF DCR NO. 1 DESIGN AND CONSTRUCTION ................26 4.1 CLEARING AND GRUBBING .................................................................................................26 4.2 CN RAIL OVERHEAD STRUCTURES .....................................................................................27 4.3 CP RAIL OVERHEAD STRUCTURES .....................................................................................28 4.4 TRAFALGAR ROAD UNDERPASS STRUCTURE ......................................................................29 4.5 CONSTRUCTION STAGING AND TRAFFIC MANAGEMENT .......................................................30 WCC Page 3 of 81 Highway 401 Expansion Project Credit River to Regional Road 25 Design and Construction Report No. 1 August 2019 4.6 UTILITIES ..........................................................................................................................31 5 ENVIRONMENTAL IMPACTS, MITIGATION AND COMMITMENTS ..............................31 5.1 NATURAL ENVIRONMENT ...................................................................................................31 TERRESTRIAL ECOSYSTEMS – VEGETATION ........................................................................31 5.1.1.1 Invasive Species Management ................................................................................36 TERRESTRIAL ECOSYSTEMS – WILDLIFE AND WILDLIFE HABITAT .........................................37 5.1.2.1 Migratory Birds .........................................................................................................40 AQUATIC ECOSYSTEMS – WATERCOURSES, FISH AND FISH HABITAT ...................................41 SPECIES AT RISK ...............................................................................................................43 5.1.4.1 Aquatic SAR ..............................................................................................................44 5.1.4.2 Terrestrial SAR .........................................................................................................46 DESIGNATED NATURAL AREAS ..........................................................................................47 LANDSCAPING AND ECOLOGICAL RESTORATION .................................................................47 GROUNDWATER ................................................................................................................48 SURFACE WATER ..............................................................................................................50 5.2 EROSION AND SEDIMENT CONTROL (ESC)..........................................................................51 5.3 DRAINAGE AND HYDROLOGY ..............................................................................................52 5.4 EXCESS EARTH .................................................................................................................52 5.5 SOCIO-ECONOMIC .............................................................................................................54 NOISE AND VIBRATION .......................................................................................................54 AIR QUALITY .....................................................................................................................56 WASTE AND CONTAMINATION.............................................................................................58 LAND USE AND PROPERTY .................................................................................................59 NAVIGATION PROTECTION ACT ..........................................................................................60 5.6 CULTURAL HERITAGE ........................................................................................................60 ARCHAEOLOGY .................................................................................................................60