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File L
ocati
on: T
:\001
02_P
ointe_
du_B
ois\W
orkA
rea\G
IS\M
XD\E
IS\Fig
ure_
8.1_S
tage_
1_Co
nstru
ction
_Velo
city
Pointe du BoisSpillway Replacement ProjectExisting and Stage 1 Construction
Water VelocitiesFigure:
DATA SOURCE:
Manitoba Hydro, KGS Acres
DATE CREATED: CREATED BY:
REVISION NO: REVISION DATE: QA/QC:
VERSION 1.0
30 MAY 2011
07 JUN 2011
Coordinate System: UTM Zone 14N
KMS / MWZ
Water Resources Engineering
8.1
Depth Averaged VelocitiesExisting Environment50 Year Annual Peak Flow
Flow Conditions:50 Year Annual Peak FlowTotal Flow = 2610 m3/sTotal Powerhouse Flow = 0 m3/sTotal Spillway Flow = 2610 m3/sForebay Water Level = 299.1 mTailwater Level = 285.90 mSpillway Operation = Bays 121-133, 101-114, 1-65Sluiceway = 1-5
N.T.S.
LegendVelocity [m/s]
7.06.56.05.55.04.54.03.53.02.52.01.51.00.5Depth Averaged Velocities
Downstream Cofferdam with ExtensionUnder Construction Design Flood ConditionsNote:Figure represents Stage 1 - Phase 2 constructionas described in Project Description Section 3.3.2
Peterso
n
Cree
k
BIRD
RIVER
Shatford Creek
Shatford Lake
KeysLake
WINNIPE
G
RI
VER
Blind B
ay
South
Shore
Channel
Nor th
Sho
re C
hann
elWI
NNIPE
G
RIVER
GEORG
E
LAKE
Good Lake
Burton Lake
Regimbal Lake
John
ston L
akeBig
Bay
Lauries
Creek
Rush Lake
BERNIC LAKE
WINNIP EG
RIVE
R
South
Shore
Cha
nnel
Nort h
Shor
e Ch a
nnel
GEOR
GE
LAKE
Forbes Lake
Boon Lake
North SailingLake
ECHO
L
A KE
SADD
LE LAKE
WINN
IPEG
RIVE
R
Tar
La
ke
Pointe du Bois G.S.
Slave Falls G.S.
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IS\M
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IS\Fig
ure_
8.2a_
PP_W
ater_
Veloc
ity_L
amp_
to_S
lave.m
xd
Pointe du BoisSpillway Replacement Project
Stage 2 Diversion and Post Project Water Velocity Lamprey Falls to Slave Falls G.S.
Figure:
DATA SOURCE:Manitoba Hydro
DATE CREATED: CREATED BY:
REVISION NO: REVISION DATE: QA/QC:
VERSION 1.0
24 DEC 2010
06 JUN 2011
Coordinate System: UTM Zone 14N
Peterso
n
Cree
k
BIRD
RIVER
Shatford Creek
Shatford Lake
KeysLake
WINNIPE
G
RI
VER
Blind B
ay
South
Shore
Channel
Nor th
Sho
re C
hann
elWI
NNIPE
G
RIVER
GEORG
E
LAKE
Good Lake
Burton Lake
Regimbal Lake
John
ston L
akeBig
Bay
Laurie
s
C
reek
Rush Lake
BERNIC LAKE
WINNIP EG
RIVE
R
South
Shore
Cha
nnel
Nort h
Shor
e Ch a
nnel
GEOR
GE
LAKE
Forbes Lake
Boon Lake
North SailingLake
ECHO
L
A KE
SADD
LE LAKE
WINN
IPEG
RIVE
R
Tar
La
ke
Pointe du Bois G.S.
Slave Falls G.S.
Peter
son
Cr ee
k
BIRD
RIVER
Shatford Creek
Shatford Lake
KeysLake
WINNIPE
G
RI
VER
Blind B
ay
South
Shore
Cha
nnel
Nor th
Sho
re C
hann
elWI
NNIPE
G
R IVER
GEORG
E
LAKE
Good Lake
Burton Lake
Regimbal Lake
John
ston L
akeBig Bay
Lauries
Creek
Rush Lake
BERNIC LAKE
WINNIP EG
RIVE
R
South
S hor
e Cha
nnel
North
Sho r
e Cha
nnel
GEOR
GE
LAKE
Forbes Lake
Boon Lake
North SailingLake
ECH O
L
AKE
SADD
LE LAKE
WINN
IPEG
RIVE
R
Tar
La
k e
Slave Falls G.S.
Pointe du Bois G.S.
0 3 61.5 Kilometres
0 2 41 Miles
5th Percentile Flow 50th Percentile Flow 95th Percentile Flow
KMS / MWZ
LegendVelocity [m/s]
0 - 0.50.5 - 1.51.5 - 33 - 5Greater than 5
Water Resources Engineering
8.2A
Eight Foot Falls Eight Foot FallsEight Foot Falls
Direction of Flow
Lamprey Falls Lamprey FallsLamprey Falls
Generating Station (G.S.)
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XD\E
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ure_
8.2b_
Veloc
ity_F
low_P
atter
n_PP
.mxd
Pointe du BoisSpillway Replacement ProjectStage 2 Diversion and Post ProjectWater Velocity and Flow Patterns
Figure:
DATA SOURCE:Manitoba Hydro
DATE CREATED: CREATED BY:
REVISION NO: REVISION DATE: QA/QC:
VERSION 1.0
24 DEC 2010
06 JUN 2011
Coordinate System: UTM Zone 14N
0 0.5 10.25 Kilometres
0 0.3 0.60.15 Miles
Velocity Vectors NTS
Pointe du Bois G.S.
Eight Foot Falls
5th Percentile Flow 50th Percentile Flow 95th Percentile Flow
KMS / MWZ
LegendVelocity [m/s]
0 - 0.50.5 - 1.51.5 - 33 - 5Greater than 5
Water Resources Engineering
8.2B
Pointe du Bois G.S.
Eight Foot Falls
Pointe du Bois G.S.
Eight Foot Falls
Generating Station (G.S.)
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ure_
8.2c_
Dept
h_Zo
om_P
P.mxd
Pointe du BoisSpillway Replacement ProjectStage 2 Diversion and Post Project
Water Depth Near Pointe du Bois G.S.Figure:
DATA SOURCE:Manitoba Hydro
DATE CREATED: CREATED BY:
REVISION NO: REVISION DATE: QA/QC:
VERSION 1.0
29 DEC 2010
06 JUN 2011
Coordinate System: UTM Zone 14N
0 0.5 10.25 Kilometres
0 0.3 0.60.15 Miles
Pointe du Bois G.S.
Eight Foot Falls
5th Percentile Flow 50th Percentile Flow 95th Percentile Flow
KMS / MWZ
LegendDepth [m]
0 - 22 - 55 - 1010 - 30Greater than 30Direction of Flow
Water Resources Engineering
8.2C
Pointe du Bois G.S.
Eight Foot Falls
Pointe du Bois G.S.
Eight Foot Falls
Tailrace
Pointe du BoisForebay
Tailrace
Pointe du BoisForebay
Tailrace
Pointe du BoisForebay
Generating Station (G.S.)
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IS\M
XD\E
IS\Fig
ure_
8.3a_
Veloc
ity_C
hang
es.m
xd
Pointe du BoisSpillway Replacement Project
Estimated Velocity ChangesResulting from Spillway Replacement
Figure:
DATA SOURCE:Manitoba Hydro
DATE CREATED: CREATED BY:
REVISION NO: REVISION DATE: QA/QC:
VERSION 1.0
29 DEC 2010
06 JUN 2011
Coordinate System: UTM Zone 14N
0 0.5 10.25 Kilometres
0 0.3 0.60.15 Miles
5th Percentile Flow 50th Percentile Flow 95th Percentile Flow
KMS / MWZ
LegendVelocity Change [m/s]
Less than -5-5 - -2-2 - -1-1 - -0.25-0.25 - 0.250.25 - 11 - 22 - 5Greater than 5Direction of Flow
Water Resources Engineering
8.3A
Pointe du Bois G.S.
Eight Foot Falls
Tailrace
Pointe du BoisForebay
Pointe du Bois G.S.
Eight Foot Falls
Tailrace
Pointe du BoisForebay
Pointe du Bois G.S.
Eight Foot Falls
Tailrace
Pointe du BoisForebay
Generating Station (G.S.)
File L
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02_P
ointe_
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orkA
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IS\M
XD\E
IS\Fig
ure_
8.3b_
Dept
h_Ch
ange
s.mxd
Pointe du BoisSpillway Replacement Project
Estimated Depth ChangesResulting from Spillway Replacement
Figure:
DATA SOURCE:Manitoba Hydro
DATE CREATED: CREATED BY:
REVISION NO: REVISION DATE: QA/QC:
VERSION 1.0
30 DEC 2010
06 JUN 2011
Coordinate System: UTM Zone 14N
0 0.5 10.25 Kilometres
0 0.3 0.60.15 Miles
5th Percentile Flow 50th Percentile Flow 95th Percentile Flow
KMS / MWZ
LegendDepth Change [m]
Less than -5-5 - -2-2 - -1-1 - -0.25-0.25 - 0.250.25 - 11 - 22 - 5Greater than 5Direction of Flow
Water Resources Engineering
8.3B
Pointe du Bois G.S.
Eight Foot Falls
Tailrace
Pointe du BoisForebay
Pointe du Bois G.S.
Eight Foot Falls
Tailrace
Pointe du BoisForebay
Pointe du Bois G.S.
Eight Foot Falls
Tailrace
Pointe du BoisForebay
Generating Station (G.S.)
Spillway Structure(Decommissioned)
ExistingPowerhouse
Rock Mattress Remnant
West BridgeAbutment
ApproachChannel
DischargeChannel
East Gravity
Dam
Pond 2
Pond 3
Pond 1
PrimarySpillway
SecondarySpillway
AccessBridge
West Gravity Dam
Spillway and Sluiceway Structure
East Abutment Dam
West Mainand
South Dam
RockfillDam
CofferdamRemnant
RockfillStabilization
InfilledArea
East MainDam
±
DATA SOURCE: Pointe du BoisSpillway Replacement ProjectCoordinate System: UTM NAD 1983 Z15 Manitoba Hydro, North/South Consultants
DATE CREATED: CREATED BY:
REVISION NO: REVISION DATE: QA/QC:
VERSION 1.0 SB/MWZ0 0.04 0.08 Miles
0 0.08 0.16 Kilometres 24 May 11 North/South Consultants
26 May 1150th and 95th Percentile Flow ConditionsPost Project Environment
Figure:8.4
File L
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Poin
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_Boi
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res20
1105
26\2
0110
526_
PP_5
0_95
Flow
Cond
ition
_BTB
_sg.m
xd
Legend
Po inte du Bo is G.S .
Proposed InfrastructureExisting Infrastructure
Post Project Flow Conditions50th Percentile95th Percentile
±Fil
e Loc
ation
: G:\E
IS\Po
inte_
du_B
ois\P
ublis
hedM
XD\Fi
gures
2011
0526
\
0 90 18045 Meters
0 220 440110 Feet
Short-term Changes Specific toConstruction Phase
Pointe du BoisSpillway Replacement Project
Figure:8.5
DATA SOURCE:
Manitoba Hydro, North/South Consultants
DATE CREATED: CREATED BY:
REVISION NO: REVISION DATE: QA/QC:
VERSION 1.0
07 Jun 2011 North/South Consultants
07 Jun 2011
Coordinate System: UTM NAD 1983 Z15
SB/MWZ
Legend
Poin te du Bo is G .S.
Pond 3
Pond 1
Pond 2
Pond 6Pond 5
Pond 4
Pond 9
Pond 11
Pool 10
Pond 8Pond 7
Area Drained by Cofferdam
ApproachChannel
Cofferdam
ExistingPowerhouse
Access Bridge
West Mainand
South Dam
Spillway Structure(Decommissioned)
East GravityDam
Rock Infill Stabilization / Additional
Forebay
EastAbutment Dam
Powerhouse EastAbutment Transition
Infil led Area
SecondarySpillway
PrimarySpillway
DischargeChannel
Cofferdam BargeLanding
New ForebayArea
New ForebayArea
BargeLanding
Existing EnvironmentFlow Conditions
No Spill
95th Percentile50th Percentile
Construction Phase Infrastructure
±Fil
e Loc
ation
: G:\E
IS\Po
inte_
du_B
ois\P
ublis
hedM
XD\Fi
gures
2011
0526
\
0 90 18045 Metres
0 220 440110 Feet
Long-term Changes Specific toOperation Phase
Pointe du BoisSpillway Replacement Project
Figure:8.6
DATA SOURCE:
Manitoba Hydro, North/South Consultants
DATE CREATED: CREATED BY:
REVISION NO: REVISION DATE: QA/QC:
VERSION 1.0
07 Jun 2011 North/South Consultants
07 Jun 2011
Coordinate System: UTM NAD 1983 Z15
SB/MWZ
Legend
Pointe du Bo is G.S .
Pond 3
Pond 1
Pond 2
Pond 6Pond 5
Pond 4
Pond 9
Pond 11
Pool 10
Pond 8Pond 7
ApproachChannel
ExistingPowerhouse
Access Bridge
West Mainand
South Dam
Spillway Structure(Decommissioned)
East GravityDam
Rock Infill Stabilization / Additional
Forebay
EastAbutment Dam
Powerhouse EastAbutment Transition
SecondarySpillway
PrimarySpillway
DischargeChannel
CofferdamRemnant
Remnant
New ForebayArea
Loss of Wetted HabitatDuring Operation Phase
95th Percentile50th Percentile
Post Project Flow Conditions
Bridge
95th Percentile
No Spill50th Percentile
Proposed InfrastructureExisting Infrastructure
Po inte du Bo is G.S .
±
Pointe du BoisSpillway Replacement Project
50th Percentile Velocity ComparisonPost Project subtracted from Existing Environment
Figure:8.7A
ÚÕ
|ÿ
1
|ÿ
9
|ÿ
7 |ÿ
8
|ÿ
44
|ÿ
11
|ÿ
11
|ÿ
59 |ÿ
11
|ÿ
12
|ÿ
44
|ÿ
12
|ÿ
59
|ÿ
15
|ÿ
67
|ÿ
17
|ÿ
304
|ÿ
100
|ÿ
101
|ÿ
100Winnipeg
Pointe du Bois G.S.
Coordinate System: UTM NAD 1983 Z15
DATA SOURCE:
Manitoba Hydro, North/South Consultants
DATE CREATED: CREATED BY:
REVISION NO: REVISION DATE: QA/QC:
VERSION 1.0 SB/MWZ
10 MAY 2011 North/South Consultants
26 May 2011
0 0.1 0.2 Kilometres
0 0.06 0.12 Miles
File L
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_Bois
\Pub
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1105
26\20
1105
26_P
DB_E
EPP5
0_Ve
locCo
mp_B
TB_s
g.mxd
LegendVelocity Change (m/s) Existing Environment to Post Project
< -2.560-2.559 - -2.240-2.239 - -1.920-1.919 - -1.600-1.599 - -1.280-1.279 - -0.960-0.959 - -0.640-0.639 - -0.320-0.319 - -0.080-0.079 - 0.080
0.081 - 0.3200.321 - 0.6400.641 - 0.9600.961 - 1.2801.281 - 1.6001.601 - 1.9201.921 - 2.2402.241 - 2.560> 2.561
Existing InfrastructurePost Project Infrastructure
Po in te du Bo is G .S.
±
Pointe du BoisSpillway Replacement Project
95th Percentile Velocity ComparisonPost Project subtracted from Existing Environment
Figure:8.7B
ÚÕ
|ÿ
1
|ÿ
9
|ÿ
7 |ÿ
8
|ÿ
44
|ÿ
11
|ÿ
11
|ÿ
59 |ÿ
11
|ÿ
12
|ÿ
44
|ÿ
12
|ÿ
59
|ÿ
15
|ÿ
67
|ÿ
17
|ÿ
304
|ÿ
100
|ÿ
101
|ÿ
100Winnipeg
Pointe du Bois G.S.
Coordinate System: UTM NAD 1983 Z15
DATA SOURCE:
Manitoba Hydro, North/South Consultants
DATE CREATED: CREATED BY:
REVISION NO: REVISION DATE: QA/QC:
VERSION 1.0 SB/MWZ
10 MAY 2011 North/South Consultants
26 May 2011
0 0.1 0.2 Kilometres
0 0.06 0.12 Miles
File L
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ion: G
:\EIS
\Poin
te_du
_Bois
\Pub
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dMXD
\Figu
res20
1105
26\20
1105
26_P
DB_E
EPP9
5_Ve
locCo
mp_B
TB_s
g.mxd
LegendVelocity Change (m/s) Existing Environment to Post Project
< -2.560-2.559 - -2.240-2.239 - -1.920-1.919 - -1.600-1.599 - -1.280-1.279 - -0.960-0.959 - -0.640-0.639 - -0.320-0.319 - -0.080-0.079 - 0.080
0.081 - 0.3200.321 - 0.6400.641 - 0.9600.961 - 1.2801.281 - 1.6001.601 - 1.9201.921 - 2.2402.241 - 2.560> 2.561
Existing InfrastructurePost Project Infrastructure
±
DATA SOURCE: Pointe du BoisSpillway Replacement ProjectCoordinate System: UTM NAD 1983 Z15 Manitoba Hydro, North/South Consultants
DATE CREATED: CREATED BY:
REVISION NO: REVISION DATE: QA/QC:
VERSION 1.0 SB/MWZ0 0.04 0.08 Miles
0 0.1 0.2 Kilometres 24 May 11 North/South Consultants
07 Jun 11
Figure:8.8A
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26\2
0110
607_
LKST
_HSI
_PP5
0Sce
nario
1_sg
_cp.
mxd
Legend
Po inte du Bo is G.S .
Habitat Suitability Index(Egg Deposition)
0.25 - 0.50.5 - 0.750.75 - 1 50th Percentile Flow Conditions (Scenario 1)Lake Sturgeon Habitat Suitability Index
Post ProjectExisting InfrastructurePost Project InfrastructureCritical Distance (238m)Spawning Barrier
±
DATA SOURCE: Pointe du BoisSpillway Replacement ProjectCoordinate System: UTM NAD 1983 Z15 Manitoba Hydro, North/South Consultants
DATE CREATED: CREATED BY:
REVISION NO: REVISION DATE: QA/QC:
VERSION 1.0 SB/MWZ0 0.04 0.08 Miles
0 0.1 0.2 Kilometres 24 May 11 North/South Consultants
07 Jun 11
95th Percentile Flow Conditions (Scenario 6)Lake Sturgeon Habitat Suitability Index Post Project
Figure:8.8B
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Poin
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26\2
0110
607_
LKST
_HSI
_PP9
5Sce
nario
6_sg
_cp.
mxd
Legend
0.25 - 0.50.5 - 0.750.75 - 1
Existing InfrastructurePost Project InfrastructureCritical Distance (238m)Spawning Barrier Habitat Suitability Index
(Egg Deposition)
Po inte du Bo is G.S .