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Restoration of 40-Mile Creek

This is a joint project with Parks Canada to decommission 40-Mile Dam • The town’s former water supply reservoir on 40-Mile Creek acts as a barrier to aquatic habitat connectivity: fish can’t swim upstream or downstream • The 1946 dam is trapping sediment, adding a further barrier • Impacting two threatened trout species: Bull Throat and Cut Throat Trout • Using provincial government funding, the dam will be partially removed in Spring 2014 • No change to seasonal flows of creek downstream • In-stream work to occur during two-week fisheries window in May • You may hear crews at work

Right Abutment

Left Abutment

Deck

Typ. 0.60 m

Typ Fig 2

1.83 m

A

J

I 3.75 m

H

G

F

3.75 m

3.75 m

3.75 m

E

D

B

C

Buttress Energy Dissipation Chamber

5.05 m

5.05 m

5.05 m

0.61 m

0.60 m

4.05 m

0.91 m

Downstream Elevation

Base Slab

Left Abutment

A G

F

E

D

B

C

3.0 m 0.5 m

Q:\Nanaimo\Engineering\N131\Projects\projects\V13103311 40 Mile Dam\40 Mile Creek\V13103311-01_dam figures.dwg [FIGURE 1] February 25, 2014 - 4:23:45 pm (BY: KITCHINGMAN, ISAAC)

Low Level Conduit

Downstream Elevation Showing Removal Area LEGEND: - Portion to be Removed

NOTES CLIENT Dimensions from 1976 Indian and Western Affairs Drawing NW B76/R15 Sheet 1

40 MILE CREEK DAM PARTIAL REMOVAL ENVIRONMENTAL AND ENGINEERING SERVICES

Town of Banff

Downstream Elevation PROJECT NO.

ISSUED FOR REVIEW

EBA

V13103311-01

DWN

CKD

REV

IK

BP

0

OFFICE

DATE

Nanaimo

February 25, 2014

Figure 1

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Restoration of 40 Mile Creek  

A description of the restoration project on Banff's 40 Mile Creek.

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