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Thornbury West Master Drainage Plan Municipal Class Environmental Assessment March 10, 2018 Public Information Centre No. 1

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Page 1: Public Information Centre No. 1

Thornbury West Master Drainage PlanMunicipal Class Environmental Assessment

March 10, 2018

Public Information Centre No. 1

Page 2: Public Information Centre No. 1

Welcome

2

The Town of The Blue Mountains (Town) has retained C.C. Tatham & Associates Ltd. (CCTA) to prepare a Drainage Master Plan for the Thornbury West Study Area.

This Drainage Master Plan is a broad level assessment to assist in the development of preferred alternative solution(s) to address the drainage deficiencies in the Study Area. The Drainage Master Plan shall detail the following:

1. The drainage deficiencies identified in the study area;

2. Improvement options considered to address thesedeficiencies; and

3. The evaluation of these alternatives.

Page 3: Public Information Centre No. 1

Municipal Class EA Process

What is a Class Environmental Assessment?

Planning and design process to identify, compare, and evaluate alternative solutions to an identified problem.

Applies to all municipal road, water, and wastewater projects and significant private projects.

Considers all aspects of the environment: physical, natural, social, cultural and economic.

How Does a Class EA Work?

Five Phases (see Municipal Class EA Process chart)

This project is currently in Phase 1 and is following the Master Planning Process

Phases 1 and 2 of the Master Planning process will be completed as part of this project.

.

3

Page 4: Public Information Centre No. 1

Municipal Class EA Process4

Page 5: Public Information Centre No. 1

Public Information Centre5

The purpose of this Public Information Centre is to:

Consult with the public and affected parties

Identify the drainage deficiencies in the Study Area

Develop conceptual alternative solutions

Public & Stakeholders should:

Sign the registry

Review the presentation material

Ask questions of the Town and/or Consultant

Submit a comment sheet providing any additional information you have regarding drainage in the Study Area and indicate whether or not you want to be kept informed of the staff recommendations for the preferred alternative solution that will be presented during a second Public Information Centre.

All comment sheets are to be returned to the Town by March 23, 2018.

Page 6: Public Information Centre No. 1

Public Information Centre

6

Steve VokesProject Manager, Outside Consultant Retained by the TownThe Corporation of The Town of The Blue Mountains32 Mill Street, P.O. Box 310Thornbury, ON, N0H 2P0Tel: (519) 599-3131Fax: (519) 599-7723e: [email protected]

Con

tact

s

Comments and information regarding this project are being collected to assist the project team in meeting the requirement of the Municipal Class EA process. These comments will be maintained for reference throughout the project and, with the exception of personal information, may be used in the final documentation and will become a part of the public record.

The Town continues to enhance accessibility that is inclusive of all ages and abilities. The information presented at today’s Public Information Centre can be provided in alternative formats upon request. Such a request should be submitted to the Town contact provided below:

Page 7: Public Information Centre No. 1

Study Objective & Purpose

7

The purpose of Phase 1 of this study is to:

Identify the drainage deficiencies within the municipal systems throughout the Thornbury West Study Area

Identify opportunities to address the identified deficiencies with municipally owned infrastructure

The purpose of Phase 2 of this study is to: Identify alternative drainage solutions to address the

problem statement Inventory the natural, physical, cultural, social and

economic environments in the Study Area Identify the impacts the alternative drainage solutions

have on the environment Evaluate the alternative drainage solutions considering

the potential impacts Select a preferred alternative solution(s) Establish measures to mitigate the adverse impacts

associated with the preferred alternative solution(s)

We are Here

Page 8: Public Information Centre No. 1

The drainage deficiencies that have been identified in this study area are as follows:

Existing infrastructure that does not satisfy the Town’s current Engineering Standards;

Existing infrastructure that is reaching the end of its service life and is deteriorating;

Drainage from municipally owned land that flows across private property or through privately owned infrastructure without easements to allow access for maintenance;

Undocumented infrastructure with a level of service that is largely unknown;

Areas of flooding; and

Lack of water quality control leading to increased sediment and pollutant loads in Georgian Bay.

Problem Statement8

Page 9: Public Information Centre No. 1

Study Area

9

The Study Area encompasses approximately 250 ha and is generally north of Russell Street to Georgian Bay and east of Albert Street to the Beaver River.

The existing drainage infrastructure in the Study Area consists of a combination of open channels, ditches, culverts, storm sewers, overland flow routes and stormwatermanagement facilities ultimately draining to either the Beaver River, Little Beaver River or directly to Georgian Bay.

In the Study Area, the drainage systems are characterized as minor and major drainage systems as follows:

Minor Drainage System – drainage infrastructure, such as swales and storm sewer, designed to convey storm runoff from frequent storm events (5 year return frequency storm and more frequent storms).

Major Drainage System – drainage infrastructure (such as the roadway, culverts, ditches ad watercourses) that are designed to convey the storm runoff exceeding the capacity of the minor drainage system.

Page 10: Public Information Centre No. 1

Study Area

10

Page 11: Public Information Centre No. 1

Our Ask of You

11

To help identify all of the drainage issues in the Study Area, we would like you to consider the following:

Are you a resident/landowner in the Study Area?

Is there a drainage problem you are aware of or have observed?

If so, please take a moment to review the maps available and identify to a Town staff member and/or Consultant of the location and extent of your observations.

Complete and submit a comment sheet.

We will use the information provided to help them establish a comprehensive list of drainage deficiencies throughout the Thornbury West Study Area and develop alternative drainage solutions to address these deficiencies.

Page 12: Public Information Centre No. 1

Known Drainage Deficiencies

Minor Drainage System Deficiencies

The existing minor drainage systems (storm sewer) that do not convey the 1:5 year return frequency design storm peak flow as per the Town Engineering Standards

Areas/streets absent of minor drainage systems

Existing storm sewer located outside the municipal road allowance on private property

12

Major Drainage System Deficiencies

The existing road culvert crossings that do not convey the design flow rate required by the Town’s current Engineering Standards

Flood Frequency Criteria Local and Collector Roads – 1:25 year return

frequency storm Arterial Roads – 1:100 year return frequency storm

The major overland flow routes (including roadways) that do not satisfy the GSCA safe access/egress criteria.

The minor and major drainage system deficiencies are illustrated on the following Figures

Page 13: Public Information Centre No. 1

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MH 7833

MH 9582CB 9583

MH 9576

MH 9564

MH 9565

MH 9566

MH 1446

MH 1539

MH 1542

MH 1543

MH 9577

MH 2636

MH 9579

MH 7812

MH 2647

MH 2597

MH 2991

MH 2992

MH 2575

MH 2576MH 2578

MH 7795

MH 2580

MH 2586

MH 2589

MH 2588

MH 2585

MH 2584

MH 2583

MH 2590

MH 2570

MH 2971

MH 2972

MH 2967

MH 2968

MH 2969

MH 2671

MH 2670

MH 2990

MH 2988

MH 2984

MH 2983

MH 2989

MH 2985

MH 2987

MH 2979

MH 2981

MH 2973

MH 2666

MH 2665MH 2664MH 2663

MH 2661

MH 2659

MH 2668

MH 2667

MH 2669

MH 2658

MH 2657

MH 2655

MH 2654

MH 2640MH 2641

MH 2642

MH 2643MH 2646MH 2644

MH 2645

MH 2571

MH 2638

MH 2637

MH 2593

MH 2591

MH 2582

MH 2581

MH 2656

MH 2649

MH 2635

MH 2648

MH 2634

MH 2633

MH 2632

MH 2631

MH 2630

MH 2598

MH 2600

MH 2599

MH 2596

MH 2595

MH 2623

MH 2624MH 2620

MH 2613

HW 3354

CB 7805

CB 2986

CB 2976CB 2975

CB 2974

CB 2592

CB 2594

CB 2610CB 2609

CB 2608

CB 2607

CB 2605

CB 2603

CB 2602

CB 2601

CB 2617

CB 2615

CB 2616

CB 2614

CB 2612

CB 2662

CB 13755CB 13754

MH 12034

OGS 1422

MH 12451

MH 13753

MH 13758

MH 13764

MH 12494

MH 12028

MH 12485MH 12484

MH 12875MH 12483

MH 12487

MH 10002

MH 10010

DICB 9578

CBMH 7835

CBMH 9585

CBMH 9568

CBMH 1430

CBMH 1423

CBMH 1429

CBMH 9567

DICB 9558

CBMH 9560

CBMH 9561

CBMH 9563

CBMH 9562

OGS 12452

CBMH 9595

CBMH 1447CBMH 9598

CBMH 1476CBMH 7816

CBMH 7815

CBMH 7846

CBMH 7845

OGS 12027

CBMH 7838CBMH 7840

CBMH 7841

CBMH 7844

CBMH 9569

CBMH 7826 CBMH 7824

CBMH 7822

CBMH 7828

CBMH 7829

CBMH 7830

CBMH 7827

CBMH 7832

CBMH 7834

CBMH 7796

CBMH 7797

CBMH 7798

CBMH 7800

CBMH 7801

CBMH 7818

DCBMH 9572

DCBMH 9573

DCBMH 9574

DCBMH 9575

CBMH 12032

CBMH 12033

CBMH 12442

DCBMH 1427

DCBMH 9559

CBMH 12453

CBMH 13752

CBMH 13719

CBMH 12882

CBMH 12881

CBMH 12492

CBMH 12491

CBMH 12488

CBMH 12486

CBMH 12481

CBMH 12480

CBMH 12478

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Ditch 0010

Ditch 0009

CBMH 12025

CBMH 12877

CBMH 12878

DCBMH 12035

DCBMH 12022

DCBMH 12029

Culvert 0002

Culvert 0001

Culvert 0008

Culvert 0007

Culvert 0006

Culvert 0005

Culvert 0004

Culvert 0003

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1120Ø CSP

WATERCOURSE 1

750Ø CSP

700 x 1300CSPA

1200ØCONCRETE

MH 050

MH 053

MH 055

600Ø CSP

450Ø CSP

500Ø CSP

CB450 x 750

CSPA

375Ø CSP

CB

CBCB

CB

900Ø

CP

375Ø

CSP

Orchar

d Dr

Lem

ing S

tAbbottsLane

Cobble

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LimestoneLane

Cameron St

Peel St NorthHigh Bluff Lane

Napier Street East

Napier Street West

Bruc

e St

S

Victo

ria S

t S

Pyatt Ave.

Duncan Street West

Russell Street East

1500Ø CSP

450Ø CSP

450Ø CSP

600Ø CSP

Georgian Trail

Junction 0014 DCBMH 12024

ABANDONED

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Little

Bea

ver R

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iver

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Arthur St WBr

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Alice St W

Victo

ria S

t S

Alfred St W

King St W

Huron St W

Louisa St W

Elm

a St

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a St N

Lakeshore Dr

Alfred St E

Lans

downe

St N

Alice St E

Harbour S

t

Bruc

e St N

Bridge St E

Hes

ter S

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Lem

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tPa

rk La

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Lorne St

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Ferg

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Louisa St E

Bay St W

GeorgianBay

SCALE:

DESIGN:

DRAWN:

1:3,000

ASB

WHG

CHECKED:

DRAWN:

DRT

FEB 2018

JOB NO. 117092

DWG. DDP-1

TOWN OF THE BLUE MOUNTAINS

DRAINAGE SYSTEM DEFICIENCY PLAN

NO. REVISIONS DATE INITIAL

NOTES

CONTRACTOR MUST VERIFY ALL DIMENSIONS AND BE RESPONSIBLE FOR SAME. ANY DISCREPANCIES MUST BE REPORTED TO THE ENGINEER BEFORE COMMENCING WORK. DRAWINGS ARE NOT TO BE SCALED.

C.C. TATHAM & ASSOCIATES LTD. CLAIMS COPYRIGHT TO THIS DOCUMENT WHICH MAY NOT BE USED FOR ANY PURPOSE OTHER THAN THAT PROVIDED IN THE CONTRACT BETWEEN THE OWNER/CLIENT AND THE ENGINEER WITHOUT THE EXPRESS CONSENT OF C.C. TATHAM & ASSOCIATES LTD.

APPROVED THORNBURY WEST

LEGENDPipe Surcharge (Max. Flow/Full Flow Ratio)

Max/Full Flow Ratio < 1.00

1.00 ≤ Max/Full Flow Ratio ≤ 1.10

1.11 ≤ Max/Full Flow Ratio ≤ 1.25

Max/Full Flow Ratio ≥ 1.26

Study Area Boundary

MINOR DRAINAGE SYSTEM DEFICIENCIES5 YEAR DESIGN STORM

THORNBURY

MASTER DRAINAGE PLAN

Page 14: Public Information Centre No. 1

HW 0015MH SWMF

MH 7833

MH 9582CB 9583

MH 9576

MH 9564

MH 9565

MH 9566

MH 1446

MH 1539

MH 1542

MH 1543

MH 9577

MH 2636

MH 9579

MH 7812

MH 2647

MH 2597

MH 2991

MH 2992

MH 2575

MH 2576MH 2578

MH 7795

MH 2580

MH 2586

MH 2589

MH 2588

MH 2585

MH 2584

MH 2583

MH 2590

MH 2570

MH 2971

MH 2972

MH 2967

MH 2968

MH 2969

MH 2671

MH 2670

MH 2990

MH 2988

MH 2984

MH 2983

MH 2989

MH 2985

MH 2987

MH 2979

MH 2981

MH 2973

MH 2666

MH 2665MH 2664MH 2663

MH 2661

MH 2659

MH 2668

MH 2667

MH 2669

MH 2658

MH 2657

MH 2655

MH 2654

MH 2640MH 2641

MH 2642

MH 2643MH 2646MH 2644

MH 2645

MH 2571

MH 2638

MH 2637

MH 2593

MH 2591

MH 2582

MH 2581

MH 2656

MH 2649

MH 2635

MH 2648

MH 2634

MH 2633

MH 2632

MH 2631

MH 2630

MH 2598

MH 2600

MH 2599

MH 2596

MH 2595

MH 2623

MH 2624MH 2620

MH 2613

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CB 7805

CB 2986

CB 2976CB 2975

CB 2974

CB 2592

CB 2594

CB 2610CB 2609

CB 2608

CB 2607

CB 2605

CB 2603

CB 2602

CB 2601

CB 2617

CB 2615

CB 2616

CB 2614

CB 2612

CB 2662

CB 13755CB 13754

MH 12034

OGS 1422

MH 12451

MH 13753

MH 13758

MH 13764

MH 12494

MH 12028

MH 12485MH 12484

MH 12875MH 12483

MH 12487

MH 10002

MH 10010

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CBMH 7835

CBMH 9585

CBMH 9568

CBMH 1430

CBMH 1423

CBMH 1429

CBMH 9567

DICB 9558

CBMH 9560

CBMH 9561

CBMH 9563

CBMH 9562

OGS 12452

CBMH 9595

CBMH 1447CBMH 9598

CBMH 1476CBMH 7816

CBMH 7815

CBMH 7846

CBMH 7845

OGS 12027

CBMH 7838CBMH 7840

CBMH 7841

CBMH 7844

CBMH 9569

CBMH 7826 CBMH 7824

CBMH 7822

CBMH 7828

CBMH 7829

CBMH 7830

CBMH 7827

CBMH 7832

CBMH 7834

CBMH 7796

CBMH 7797

CBMH 7798

CBMH 7800

CBMH 7801

CBMH 7818

DCBMH 9572

DCBMH 9573

DCBMH 9574

DCBMH 9575

CBMH 12032

CBMH 12033

CBMH 12442

DCBMH 1427

DCBMH 9559

CBMH 12453

CBMH 13752

CBMH 13719

CBMH 12882

CBMH 12881

CBMH 12492

CBMH 12491

CBMH 12488

CBMH 12486

CBMH 12481

CBMH 12480

CBMH 12478

Ditch 0011

Ditch 0010

Ditch 0009

CBMH 12025

CBMH 12877

CBMH 12878

DCBMH 12035

DCBMH 12022

DCBMH 12029

Culvert 0002

Culvert 0001

Culvert 0008

Culvert 0007

Culvert 0006

Culvert 0005

Culvert 0004

Culvert 0003

Junction 0013

1120Ø CSP

WATERCOURSE 1

750Ø CSP

700 x 1300CSPA

1200ØCONCRETE

MH 050

MH 053

MH 055

600Ø CSP

450Ø CSP

500Ø CSP

CB450 x 750

CSPA

375Ø CSP

CB

CBCB

CB

900Ø

CP

375Ø

CSP

Orchar

d Dr

Lem

ing S

tAbbottsLane

Cobble

stone

Lane

RiverbankCourt

LimestoneLane

Cameron St

Peel St North

Napier Street East

Napier Street West

Bruc

e St

S

Victo

ria S

t S

Pyatt Ave.

Duncan Street West

Russell Street East

1500Ø CSP

450Ø CSP

600Ø CSP

Georgian Trail

ABANDONED

ABANDONED

450Ø CSP

Beave

r Rive

r

Beav

er R

iver

Little

Bea

ver R

iver

Little

Bea

ver R

iver

UNDOCUMENTEDDRAINAGE SYSTEM

Arthur St WBr

uce

St S

Alice St W

Victo

ria S

t S

Alfred St W

King St W

Huron St W

Louisa St W

Elm

a St

S

Beaver St S

Elm

a St

N

Lakeshore Dr

Alfred St E

Lans

downe

St N

Alice St E

Harbour S

t

Bruc

e St N

Bridge St E

Hes

ter S

t

Moore C

res

Bay St W

Lem

on S

tPa

rk La

ne

Lorne St

Victo

ria S

t N

Ferg

uson

Ave

Louisa St E

Bay St W

GeorgianBay

SCALE:

DESIGN:

DRAWN:

1:3,000

ASB

WHG

CHECKED:

DRAWN:

DRT

FEB 2018

JOB NO. 117092

DWG. DDP-2

TOWN OF THE BLUE MOUNTAINS

DRAINAGE SYSTEM DEFICIENCY PLAN

NO. REVISIONS DATE INITIAL

NOTES

CONTRACTOR MUST VERIFY ALL DIMENSIONS AND BE RESPONSIBLE FOR SAME. ANY DISCREPANCIES MUST BE REPORTED TO THE ENGINEER BEFORE COMMENCING WORK. DRAWINGS ARE NOT TO BE SCALED.

C.C. TATHAM & ASSOCIATES LTD. CLAIMS COPYRIGHT TO THIS DOCUMENT WHICH MAY NOT BE USED FOR ANY PURPOSE OTHER THAN THAT PROVIDED IN THE CONTRACT BETWEEN THE OWNER/CLIENT AND THE ENGINEER WITHOUT THE EXPRESS CONSENT OF C.C. TATHAM & ASSOCIATES LTD.

APPROVED THORNBURY WEST

LEGENDMaintenance Hole Surcharge

No Maintenance Hole Surcharge

Maintenance Hole Surcharge Depth < 0.1m

0.1m ≤ Maintenance Hole Surcharge Depth < 0.3m

Maintenance Hole Surcharge Depth ≥ 0.3m

Pipe Surcharge Duration (Above Full Flow)No Pipe Surcharge Duration

Pipe Surcharge Duration < 1 Minute

1 Minute ≤ Pipe Surcharge Duration < 12 Minutes

12 Minutes ≤ Pipe Surcharge Duration < 30 Minutes

Pipe Surcharge Duration ≥ 30 Minutes

Study Area Boundary

MAINTENANCE HOLE AND STORM SEWER SURCHARGING5 YEAR DESIGN STORM

THORNBURY

MASTER DRAINAGE PLAN

Page 15: Public Information Centre No. 1

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HW 0015MH SWMF

MH 7833

MH 9582CB 9583

MH 9576

MH 9564

MH 9565

MH 9566

MH 1446

MH 1539

MH 1542

MH 1543

MH 9577

MH 2636

MH 9579

MH 7812

MH 2647

MH 2597

MH 2991

MH 2992

MH 2575

MH 2576MH 2578

MH 7795

MH 2580

MH 2586

MH 2589

MH 2588

MH 2585

MH 2584

MH 2583

MH 2590

MH 2570

MH 2971

MH 2972

MH 2967

MH 2968

MH 2969

MH 2671

MH 2670

MH 2990

MH 2988

MH 2984

MH 2983

MH 2989

MH 2985

MH 2987

MH 2979

MH 2981

MH 2973

MH 2666

MH 2665MH 2664MH 2663

MH 2661

MH 2659

MH 2668

MH 2667

MH 2669

MH 2658

MH 2657

MH 2655

MH 2654

MH 2640MH 2641

MH 2642

MH 2643MH 2646MH 2644

MH 2645

MH 2571

MH 2638

MH 2637

MH 2593

MH 2591

MH 2582

MH 2581

MH 2656

MH 2649

MH 2635

MH 2648

MH 2634

MH 2633

MH 2632

MH 2631

MH 2630

MH 2598

MH 2600

MH 2599

MH 2596

MH 2595

MH 2623

MH 2624MH 2620

MH 2613

HW 3354

CB 7805

CB 2986

CB 2976CB 2975

CB 2974

CB 2592

CB 2594

CB 2610CB 2609

CB 2608

CB 2607

CB 2605

CB 2603

CB 2602

CB 2601

CB 2617

CB 2615

CB 2616

CB 2614

CB 2612

CB 2662

CB 13755CB 13754

MH 12034

OGS 1422

MH 12451

MH 13753

MH 13758

MH 13764

MH 12494

MH 12028

MH 12485MH 12484

MH 12875MH 12483

MH 12487

MH 10002

MH 10010

DICB 9578

CBMH 7835

CBMH 9585

CBMH 9568

CBMH 1430

CBMH 1423

CBMH 1429

CBMH 9567

DICB 9558

CBMH 9560

CBMH 9561

CBMH 9563

CBMH 9562

OGS 12452

CBMH 9595

CBMH 1447CBMH 9598

CBMH 1476CBMH 7816

CBMH 7815

CBMH 7846

CBMH 7845

OGS 12027

CBMH 7838CBMH 7840

CBMH 7841

CBMH 7844

CBMH 9569

CBMH 7826 CBMH 7824

CBMH 7822

CBMH 7828

CBMH 7829

CBMH 7830

CBMH 7827

CBMH 7832

CBMH 7834

CBMH 7796

CBMH 7797

CBMH 7798

CBMH 7800

CBMH 7801

CBMH 7818

DCBMH 9572

DCBMH 9573

DCBMH 9574

DCBMH 9575

CBMH 12032

CBMH 12033

CBMH 12442

DCBMH 1427

DCBMH 9559

CBMH 12453

CBMH 13752

CBMH 13719

CBMH 12882

CBMH 12881

CBMH 12492

CBMH 12491

CBMH 12488

CBMH 12486

CBMH 12481

CBMH 12480

CBMH 12478

Ditch 0011

Ditch 0010

Ditch 0009

CBMH 12025

CBMH 12877

CBMH 12878

DCBMH 12035

DCBMH 12022

DCBMH 12029

Culvert 0002

Culvert 0001

Culvert 0008

Culvert 0007

Culvert 0006

Culvert 0005

Culvert 0004

Culvert 0003

Junction 0013

1120Ø CSP

WATERCOURSE 1

750Ø CSP

700 x 1300CSPA

1200ØCONCRETE

MH 050

MH 053

MH 055

600Ø CSP

450Ø CSP

500Ø CSP

CB450 x 750

CSPA

375Ø CSP

CB

CBCB

CB

900Ø

CP

375Ø

CSP

Orchar

d Dr

Lem

ing S

tAbbottsLane

Cobble

stone

Lane

RiverbankCourt

LimestoneLane

Cameron St

Peel St NorthHigh Bluff Lane

Napier Street East

Napier Street West

Bruc

e St

S

Victo

ria S

t S

Pyatt Ave.

Duncan Street West

Russell Street East

1500Ø CSP

450Ø CSP

600Ø CSP

Georgian Trail

600Ø CSP

ABANDONED

450Ø CSP

Beave

r Rive

r

Beav

er R

iver

Little

Bea

ver R

iver

Little

Bea

ver R

iver

UNDOCUMENTEDDRAINAGE SYSTEM

Arthur St WBr

uce

St S

Alice St W

Victo

ria S

t S

Alfred St W

King St W

Huron St W

Louisa St W

Elm

a St

S

Beaver St S

Elm

a St

N

Lakeshore Dr

Alfred St E

Lans

downe

St N

Alice St E

Harbour S

t

Bruc

e St N

Bridge St E

Hes

ter S

t

Moore C

res

Bay St W

Lem

on S

tPa

rk La

ne

Lorne St

Victo

ria S

t N

Ferg

uson

Ave

Louisa St E

Bay St W

GeorgianBay

SCALE:

DESIGN:

DRAWN:

1:3,000

ASB

WHG

CHECKED:

DRAWN:

DRT

FEB 2018

JOB NO. 117092

DWG. DDP-3

TOWN OF THE BLUE MOUNTAINS

DRAINAGE SYSTEM DEFICIENCY PLAN

NO. REVISIONS DATE INITIAL

NOTES

CONTRACTOR MUST VERIFY ALL DIMENSIONS AND BE RESPONSIBLE FOR SAME. ANY DISCREPANCIES MUST BE REPORTED TO THE ENGINEER BEFORE COMMENCING WORK. DRAWINGS ARE NOT TO BE SCALED.

C.C. TATHAM & ASSOCIATES LTD. CLAIMS COPYRIGHT TO THIS DOCUMENT WHICH MAY NOT BE USED FOR ANY PURPOSE OTHER THAN THAT PROVIDED IN THE CONTRACT BETWEEN THE OWNER/CLIENT AND THE ENGINEER WITHOUT THE EXPRESS CONSENT OF C.C. TATHAM & ASSOCIATES LTD.

APPROVED THORNBURY WEST

LEGENDStudy Area Boundary

MAJOR OVERLAND FLOW ROUTE DEFICIENCIES100 YEAR DESIGN STORM

THORNBURY

MASTER DRAINAGE PLAN

Major Overland Flow Route Deficiencies

Page 16: Public Information Centre No. 1

16

Improvement Options

The Alternative Improvement Options being considered as part of this Master Drainage Plan are as follows:

Alternative 1 – Do Nothing (This alternative is being considered to provide a benchmark to gauge the physical, natural, social, cultural, and economic implications of the other alternatives);

Alternative 2 – Flow Reduction / Water Quality Improvements

2A - Stormwater management facilities

2B - Low Impact Development measures (green infrastructure, infiltration systems, etc.);

Alternative 3 – Minor Drainage System Conveyance Capacity Improvements

3A – Minor Drainage System Improvements

3B – Removal of Municipal Drainage Infrastructure from Private Property

3C – Service Areas Absent of Minor Drainage Systems

Alternative 4 – Major Drainage System Conveyance Capacity Improvements

Page 17: Public Information Centre No. 1

Next Steps

A second Public Information Centre is planned for this project. Prior to PIC#2, we will complete the following:

Review comments received from the public, Town staff and interested stakeholders

Revise the alternative improvement options according to the input received;

Identify impacts of the alternative improvements;

Evaluate the alternative improvement options; and

Select a preferred alternative solution(s).

The alternative improvement option evaluation and the selected preferred alternative solution will be presented at PIC#2.

17

.

Page 18: Public Information Centre No. 1

Municipal Class EA

Before you leave: Have your questions been addressed? Have you signed the registry? Have you completed a comment sheet?

All comment sheets are to be returned to the Town by March 23, 2018.

Please feel free to contact the Town and/or their Consultant any time should you have any further questions or concerns.

18

For Additional Information:.

Steve VokesProject Manager, Outside Consultant Retained by the TownThe Corporation of The Town of The Blue Mountains32 Mill Street, P.O. Box 310Thornbury, ON, N0H 2P0Tel: (519) 599-3131Fax: (519) 599-7723e: [email protected]

Con

tact

s