To Maxim Power Corp. For Mimer Expansion Project€¦ · Milner Expansion Project higher than the...

Traffic Impact Assessment Report(Amendment Ill to Final Report:

No. 14 Mine Project, February 2007)

To

Maxim Power Corp.

For

Mimer Expansion Project

2511-00058-3

Prepared By:

McElhanney Consulting Services Ltd.

206—5 Richard Way SW

Calgary AB T3E 7M8

Aug 26, 2010

The information contained in this report has been prepared based on our review and discussions with you and should not be used or reliedupon by any other person or organization without the written consent of McElhanney Consulting Services Ltd.

Maxim Power Corp.:Traffic Impact Assessment

(Amendment Ill to Final Report: No 14 Mine Project, February 2007)Mimer Expansion Project

TABLE OF CONTENTS

Page

INTRODUCTION 1

STUDY AREA 1

BACKGROUND AND FORECAST TRAFFIC 1

TRIP GENERATION AND DISTRIBUTION 2

TRAFFIC IMPACT ANALYSIS 4

INTERSECTION ANALYSIS 12

CONCLUSIONS 13

Appendix A Analysis Data — Intersection Movements

Appendix B Analysis Data — Intersection Treatment

Appendix C Background Information

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(Amendment II to Final Report: No 14 Mine Project, February 2007)Mimer Expansion Project

GLOSSARY

NBT Vehicles traveling northbound and going through.

NBR Vehicles traveling northbound and turning right.

SBT Vehicles traveling southbound and going through.

SBL Vehicles traveling southbound and turning left.

WBL Vehicles traveling westbound and turning left.

WBR Vehicles traveling westbound and turning right.

Peak Hour The hour of most traffic congestion.

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(Amendment II to Final Report: No 14 Mine Project, February 2007)Milner Expansion Project

Introduction

McElhanney Consulting Services Ltd. (MCSL) was retained by Maxim Power Corp. to

conduct a second amendment to the Traffic Impact Assessment conducted for Maxim

Power in February 2007 with regards to the No. 14 Mine Project. Maxim Power is

proposing to build a new 500 MW supercritical unit adjacent to the existing Milner Plant.

This project is scheduled to commence in 2009 and will continue until the unit is

commissioned in 2013.

Study Area

The study area is comprised of the site access to Maxim Power’s existing and proposed

facilities, which is currently owned by Grande Cache Coal Corporation (GCCC), off of

Highway 40 approximately 20 km north of the town of Grande Cache. Highway 40 is a

provincial two-lane arterial with a posted speed limit of 80 km/h within the vicinity of the

site access.

Background and Forecast Traffic

Construction of the project is anticipated to commence in 2013. It is anticipated that the

construction site generated traffic will peak in 2015 and will cease in 2017, leaving only

plant operations employee traffic beyond 2017. The 2007 traffic volume counts on

Highway 40 were obtained from Alberta Transportation (AT). The original counts used

for analysis are attached in Appendix A.

The growth in Average Annual Daily Traffic (AADT) in the area over the past six years

was found and averaged to be 8% per year north of the access and about 6% south of

the access (this is slightly higher than the growth rate provided by Maxim Power over

nine years at a location farther north). Average Summer Daily Traffic (ASDT) usually

shows an increase of 5 — 10% above AADT. In this case the ASDT is on average 11%

1

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(Amendment Ito Final Report: No 14 Mine Project, February 2007)Milner Expansion Project

higher than the AADT for the study area; therefore, the volumes used are adjusted to

reflect the increase in traffic during the summer months and are summarized in Table 1.

Table 1 — Background Traffic Volumes at Site Access I Highway 40 Intersection

~ , Hi y.4O~. ~ :~Acce~R~äd.~Year~’ Peak~Hour c~ NBT ~. NBR SBL SB~T. WBL . WWR

AM 62 6 2 85 11 12007

PM 71 7 1 79 8 1AM 99 9 4 136 18 2

2013PM 113 11 2 125 12 2AM 115 10 4 158 21 2

2015PM 113 11 2 125 12 2AM 134 12 5 185 24 2

2017PM 131 12 2 146 14 2AM 145 13 5 199 26 3

2018PM 142 13 2 158 16 2

Trip Generation and Distribution

It is anticipated that the majority of trip generation during the construction phase will be

workers arriving to work and departing from work, with the exception of approximately 20

delivery trucks per day. These 20 delivery trucks are spread throughout the workday,

thus they do not coincide with the peak hour of traffic; therefore, they are not used in the

analysis. Since traffic generated by the construction workers falls outside the realm of

normal AM and PM peak hours, before 7:00 AM and after 5:30 PM, it will not coincide

with the peak periods at the access intersection on Highway 40. Maxim Power identified

that the location of the workers camp and the mode of transportation the workers will use

to and from the construction site are both still to be determined, therefore the following

scenarios were identified to require analysis;

Scenario 1 - By passenger car, 90% from the south, 10% from the north

2

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Scenario 2 - By passenger car, 10% from the south, 90% from the north

Scenario 3 - By bus, 100% from the north

Scenario 4 - By bus 100% from the south

Each scenario was analyzed to determine the extent of upgrades required (if any).

Scenario 1

The first analysis scenario is all workers arriving by passenger car; 90% arriving from the

south and 10% arriving from the north. Table 2 illustrates a summary of the anticipated

traffic volumes generated by the construction of the Milner Expansion Project. These

volumes were provided by Maxim Power and can be found in Appendix C

Table 2—Scenario 1 Traffic Volumes Generated

~Hi9hWay4O.4 ~ .~‘:‘Access-Röã~d~.Year ~PéákHour ~ ~j, ‘~SBL.~ ~SBT ~. . WBL~. :WBR

AM 0 0 0 0 0 02007

PM 0 0 0 0 0 0AM 0 30 3 0 0 0

2013PM 0 0 0 0 30 3AM 0 93 10 0 0 0

2015PM 0 0 0 0 93 10AM 0 18 2 0 0 0

2017PM 0 0 0 0 18 2AM 0 0 0 0 0 0

2018PM 0 0 0 0 0 0

Even though the anticipated traffic from the Milner Expansion Project construction phase

will not be occurring at peak times, for a conservative analysis, it is summed together

with the background AM and PM peak hour traffic to arrive at the combined traffic

volumes during the Milner Expansion construction shown in Table 3.

3

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Table 3 — Scenario 1 Combined Traffic Volumes for Analysis

~~~Hi~iWWy4O ~~ ~. ~ P~l(Hour NBT NBR~’ ~ SBL SBT~ WBL WBR ~

AM 62 6 2 85 11 12007

PM 71 7 1 79 8 1

AM 99 39 7 136 18 22013

PM 113 11 2 125 42 5

AM 115 103 14 158 21 22015

PM 113 11 2 125 105 12

AM 134 30 7 185 24 22017

PM 131 12 2 146 32 2

2018 AM 145 13 5 199 26 5PM 142 13 2 158 16 2

Scenario 2

The second analysis scenario is all workers arriving by passenger car; 10% arriving from

the south and 90% arriving from the north. Table 4 illustrates a summary of the

anticipated traffic volumes generated by the construction of the Milner Expansion

Project. These volumes were provided by Maxim Power and can be found in Appendix

C.

4

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Table 4— Scenario 2 Traffic Volumes Generated

.Hi~hWay4O~~ . ~ ~~Röãd~. .NBT ;~NBR.~:, ~ ≤BL~ ~SBT~. ~ ~

AM 0 0 0 0 0 02007 PM 0 0 0 0 0 0

AM 0 3 30 0 0 02009 PM 0 0 0 0 3 30

AM 0 10 93 0 0 02011 PM 0 0 0 0 10 93

AM 0 2 18 0 0 02013 PM 0 0 0 0 2 18

AM 0 0 0 0 0 02014 PM 0 0 0 0 0 0





Table 5— Scenario 2 Combined Traffic Volumes for Analysis

:. •. .~Hi9hW~y4O~~ ~. ::~• ‘é~r~~ Peak Hour: NBI ~ ~N~R ~ ,~:SBL~ p ~ ~WBL.~:.’

AM 62 6 2 85 11 12007

PM 71 7 1 79 8 1AM 99 12 34 136 18 2

2013PM 113 11 2 125 15 32AM 115 20 97 158 21 2

2015PM 113 11 2 125 22 95AM 134 14 23 185 24 2

2017PM 131 12 2 146 16 20AM 145 13 5 199 26 3

2018PM 142 13 2 158 16 2

5

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(Amendment Ito Final Report: No 14 Mine Project, February 2007)Mimer Expansion Project

Scenario 3

The third analysis scenario is workers arriving via bus from a workers camp to the north.

Table 6 illustrates a summary of the anticipated traffic volumes generated by the

construction of the Mimer Expansion Project. These volumes were provided by Maxim

Power and can be found in Appendix C.


~i ~V.~~ ~ ~AccessR~ä’dp-’t:~Yeár.~ ~éak Ijr ;,~.NBT ~:NB~R~. ,)SBL 5Rt~’ s .;WBL~ .~WBR~

AM 0 0 0 0 0 02007 PM 0 0 0 0 0 0

AM 0 0 4 0 0 02009 PM 0 0 0 0 0 4

AM 0 0 4 0 0 02011 PM 0 0 0 0 0 4

AM 0 0 4 0 0 02013 PM 0 0 0 0 0 4

AM 0 0 0 0 0 02014 PM 0 0 0 0 0 0

Even though the anticipated traffic from the Mimer Expansion Project construction phase




6

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~: :~‘ ..~ hWây, 4O~~ ~4~; ~.,. ~;Access~ Röá~d.~~ Year Peak HoLir NBLe ~ ~BR ~ ~SBL SBT~ ~WBL ~ WBR

AM 62 6 2 85 11 12007

PM 71 7 1 79 8 1

AM 99 9 8 136 18 22013

PM 113 11 2 125 12 6

AM 115 10 8 158 21 22015

PM 113 11 2 125 12 6

AM 134 12 9 185 24 22017

PM 131 12 2 146 14 6

AM 145 13 5 199 26 32018

PM 142 13 2 158 16 2

Scenario 4

The fourth analysis scenario is workers arriving via bus from a workers camp to the

south. Table 8 illustrates a summary of the anticipated traffic volumes generated by the

construction of the Mimer Expansion Project. These volumes were provided by Maxim

Power and can be found in Appendix C.

7

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~,:Hi~hway4O . :~ ~:‘~Access:Road‘~Year Peak Hoür, ~ NBR SBL~ ~ WBL~ :.WB9’~.

AM 0 0 0 0 0 02007 PM 0 0 0 0 0 0

AM 0 4 0 0 0 02009 PM 0 0 0 0 4 0

AM 0 4 0 0 0 02011 PM 0 0 0 0 4 0

AM 0 4 0 0 0 02013 PM 0 0 0 0 4 0

AM 0 0 0 0 0 02014 PM 0 0 0 0 0 0





8

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~‘: ‘. i~hWaW4O-:~ .‘~. öã~~Rob~d ,~

Year P~k H6~ ~, NBT .~ -~ NBR ~SB~ ~‘ SBjT ~ WBL~ ~ WBR~

2007 AM 62 6 2 85 11 1PM 71 7 1 79 8 1AM 99 13 4 136 18 2

2013PM 113 11 2 125 16 2AM 115 14 4 158 21 2

2015PM 113 11 2 125 16 2

2017 AM 134 16 5 185 24 2PM 131 12 2 146 18 2

2018 AM 145 13 5 199 26 3PM 142 13 2 158 16 2

Traffic Impact Analysis

Level of Service (LOS) is a commonly used measure of the quality of traffic conditions

experienced along a roadway or at an intersection. The LOS is typically related to the

amount of delay experienced by drivers. At an unsignalized intersection of a site access

road and a highway, the critical delays are generally experienced by the site access road

and left turn movements into the site. Table 10 defines the criteria in determining LOS at

an unsignalized intersection.

9

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Table 10— Level of Service and Delay Criteria

;D~eIay(ge~/~eh) ..•. ~ ~‘;~I 44

A ≤ 10 ExcellentB >l0and≤15 VeryGoodC >l5and≤25 GoodD > 25 and ≤ 35 AcceptableE > 35 and ≤ 50 Near CapacityF >50 Poor

Capacity analysis for the site access intersection was conducted for the combined traffic

volumes during AM and PM peak hours by using traffic analysis software, Synchro 7.

Delivery trucks and other daytime traffic were not included in this analysis, since their

delivery times do not coincide with the peak hours. The intersection LOS for Scenario’s

1 —4 are shown in Tables 11 - 14.

Table 11 — Scenario 1 Intersection Analysis Summary

~W :-~lñterséótion Performance (D~ (séYI~Lb”S1’~4. :,~~~44 ..~ -~ ~Hi~hway 40 ~ ~~:AccessRoad~~

Year~ Peak’HouI N~T ~ ~ NBR, SBL SBT” ~WBL ~ WBR

2007 AM 0.0 / A 0.0 / A 0.0 / A 0.2 I A 9.4 / A 9.4 / APM 0.0/A 0.0/A 0.0/A 0.1/A 9.4/A 9.4/AAM 0.0/A 0.0/A 0.0/A 0.4/A 10.2/B 10.2/B

2013PM 0.0/A 0.0/A 0.0/A 0.1/A 10.3/B 10.3/BAM 0.0/A 0.0/A 0.1/A 0.7/A 11.0/B 11.0/B


2017PM 0.0/A 0.0/A 0.0/A 0.1/A 10.5/B 10.5/B

2018 AM 0.0 / A 0.0 I A 0.0 / A 0.2 / A 10.9 / B 10.9 / BPM 0.0/A 0.0/A 0.0/A 0.1/A 10.5/B 10.5/B

10

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(Amendment Ito Final Report: No 14 Mine Project, February 2007)Mimer Expansion Project

Table 12— Scenario 2 Intersection Analysis Summary

.,~.Lr~ersLe&i~ii ~~ii~e [~W(Sec71’ ~ :~ ~

:~Hi~hway.40!~ ~ ~ ~AccèssR~ã’d :~, Year Peak Houi ~ NBT NBR ~ SBL .. SBT~~ WBL WBR

AM 0.0 / A 0.0 / A 0.0 / A 0.2 / A 9.4 / A 9.4 / A2007

PM 0.0/A 0.0/A 0.0/A. 0.1/A 9.4/A 9.4/A

AM 0.0/A 0.0/A 0.2/A 1.7/A 10.6/B 10.6/B2013

PM 0.0/A 0.0/A 0.0/A 0.1/A 9.5/A 9.5/A

AM 0.0/A 0.0/A 0.6/A 3.3/A 12.6/B 12.6/B2015

PM 0.0/A 0.0/A 0.0/A 0.1/A 9.8/B 9.8/B

AM 0.0/A 0.0/A 0.2/A 1.0/A 11.2/B 11.2/B2017

PM 0.0/A 0.0/A 0.0/A 0.1/A 9.8/A 9.8/A

AM 0.0 / A 0.0 / A 0.0 / A 0.2 / A 10.9 / B 10.9 / B2018

PM 0.0/A 0.0/A 0.0/A 0.1/A 10.5/B 10.5/B

Table 13 — Scenario 3 Intersection Analysis Summary

.; ~ ~ ~I~iérsecti~,n. Performán~ce (Pj~y. (se~I.LVO~) ~ ~ ~.. -

Highway 40 ‘~7 -‘ ~ Access R~’ä~J ~~ Year Peai~ H~y NBT ~NBR SBL .. ~_SBT W~L WBR

AM 0.0/A 0.0/A 0.0/A 0.2/A 9.4/A 9.4/A2007

PM 0.0/A 0.0/A 0.0/A 0.1 /A 9.4/A 9.4/A

2013 AM 0.0/A 0.0/A 0.1/A 0.5/A 10.2/B 10.2/BPM 0.0/A 0.0/A 0.0/A 0.2/A 10.1/B 10.1/B



2018 AM 0.0 I A 0.0 / A 0.0 / A .0.2 I A 10.9 / B 10.9 / BPM 0.0/A 0.0/A 0.0/A 0.1/A 10.5/B 10.5/B

11

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Table 14— Scenario 4 Intersection Analysis Summary

~‘4 ~ ~ Interie n.Perforrnane(Delay~(sec)Yl~Lc~S)~ ...~ ~.. $~ ~~:. ~ ~ ~ Hi~IIWay4O ‘,~‘ ;~Access.Road

Year,. j~k1 NBT ~NBR ~ SBL ~SB1~ ~WB~L WBRAM 0.0 / A 0.0 / A 0.0 / A 0.2 / A 9.4 / A 9.4 / A

2007PM 0.0/A 0.0/A 0.0/A 0.1/A 9.4/A 9.4/AAM 0.0/A 0.0/A 0.0/A 0.2/A 11.5/B 11.5/B



2017PM 0.0/A 0.0/A 0.0/A 0.1/A 11.9/B 11.9/BAM 0.0 / A 0.0 / A 0.0 / A 0.2 / A 10.9 / B 10.9 / B

2018PM 0.0/A 0.0/A 0.0/A 0.1/A 10.5/B 10.5/B

Analysis of all four scenarios produced very similar results; during the peak of

construction in 2015, all intersection turning movements are expected to operate at LOS

B or better, during the AM and PM peak periods. Post construction, the intersection will

continue to operate at LOS B due to normal traffic growth.

Intersection Treatment Analysis

The access to the Mimer Power Plant, shared with and owned by Grande Cache Coal

Corporation, was analyzed in respect of the provided 2007 volumes, as well as factored

up to get the 2018 volumes. Highway 40 south approach traffic volumes were utilized in

the analysis as they present the worst case scenario for both the 2007 and 2018

analysis years. Within APPENDIX B is the analysis based on projecting AADT volumes

onto Figure D-7.4 Traffic Volume Warrant Chart for At-Grade Intersection Treatment on

Two-Lane Rural Highways (Design Speeds 100, 110, 120 km/h). Also presented in

APPENDIX B is the analysis based on peak hour turn movements and illustrated by

projecting these volumes onto Figure D-7.6-4a Warrants for Left Turn Treatment and

Storage Requirements for Two-Lane Highways Design Speed 80 km/h, Left Turn 5%.

12

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Both analyses indicated that the existing intersection should be upgraded to Alberta

Transportation’s Figure D~-7.5 Standard At-Grade Intersection Layouts for Two-Lane

Highways — Type ha, and that this intersection treatment is adequate for beyond the

2018 horizon year.

Conclusions

The peak hour of construction traffic and the peak hour of normal traffic do not mix, as

the peak hour of construction traffic will be before 7:00 AM and after 5:30 PM due to shift

changes. Based on the analysis results, the intersection operations will perform at very

good LOS B or better, before, during and after construction, regardless which scenario is

chosen for transporting workers.

The analysis for the intersection treatment type was approached based on both AADT

volumes and peak hour volumes. Per both analyses the existing Type Ia intersection

requires upgrading to an intersection Type ha per the Alberta Transportation Highway

Geometric Design Guide.

13

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(Amendment to Final Report: No 14 Mine Project, February 2007)Milner Expansion Project

Appendix A

Analysis Data — Intersection Movements

Page 1 of 1

McElhanneyConi~ SiMco~ L~

DETAILED LOCATION DIAGRAM

HIGHWAY: 40 INTERSECTION OF: 40 & 999 SMOKEY RIVER MINE ACC 15-58-8-611500650

REFERENCE No.:~ LATITUDE (degrees)~ 40__. LONGITUDE (des):...._it9..Q64~

DAY:2MURSDA~Y.~._ DATE: U~LISt10,.200L_ DURATION: 7:00 AM TO _J~00 P?~

REMARKSLMNENEDA&M1N~MJNENQLOMKN1N~.~_~,______

tv~AL

http://www2.infratrans.gov.ab.calmapping/2007/DiagramJ00025592.jpg 25/04/2008

Turning Movement Summary Diagram

North On 40

Vehicle Type Vol %

~: Passenger VohIce 820 71.9B: Recreational V. ci. 132 11.6S:Bus 0 0.00; Single Unit Truck 47 4.1E: Tractor Trailer Unit 141 12.4

ASDT 124OIAADT 1140

I 5701

A 411B 64C 0D 26E 89

N~ NT NI

NR1

South On 40

Vehicle Type Vol %

~ Passenger VehIcle 1064 74.9B: Recreational Veh ci. 130 9.2S: Bus 0 0.00: Single Unit Truck 74 5.2E: Tractor Trailer Unit 152 10.7

ASDT 155OIAADT 1420

Reference No.: 25592

Intersection of:40 & SMOKEY RIVER MINE ACC 15-58-8-600000805

2007 A4.DT / ASDT ESTIMATES

-~

E~— —LZ~iWest On

Vehicle Type Vol %

~: Passenger VehIcle 0 0.0B: Recreational VehIcle 0 0.0S: Bus 0 0.00: Single Unit Truck 0 0.0C: Tractor Trailer UnIt 0 0.0

A 0B 0C 0D 0E 0

A 0B 0C 0~4 —

D 0E 0

A 0B 0C OSL4 —

D 0;o

WR NT ELA 0 A 399 A 136B 0 B 62 B 0C DC OC 0D 0 0 22 D 16E 0 E 67 E 8

I I II ol I 5501 I 1601

I 7101

)‘ NI

A 12B 2C 0o 4E 2

A 0B 0C 0o 0E 0

A 134B 0

~‘WT

ASDT IAADT 0

TURNING MOVEMENT ABBREVIATIONSNR: Traffic From North Turning RightNL: Traffic From North Turning LeftNT: Traffic From North Proceeding Through

SR: Traffic From South Turning RightSL: Traffic From South Turning LeftST: Traffic From South Proceeding Through

ER: Traffic From East Turning RightEL: Traffic From East Turning LeftET: Traffic From East Proceeding Through

WR: Traffic From West Turning RightWI: Traffic From West Turning LeftWT: Traffic From West Proceeding Through

TURNING MOVEMENT ABBREVIATIONSAADT: Average Annual Daily Traffic

Average daily traffic expressed as vehicles per day foperiod of January Ito December 31(365 days)

ASDT: Average Summer Daily TrafficAverage daily traffic expressed as vehicles per day foperiod of May Ito September30 (153 days)

~H -1E~

)SRD 18E 8



Intersection of:40 & SMOKEY RIVER MINE ACC 15-58-8-600000805

2007 am. 100th Highest Hour ESTIMATES

North On 40

Vehicle Ty~e Vol %A: Passenger Vehicle 91 66.9B: Recreational VeNcle 15 11 ~05: Bus 0 0.0D:SingleUnhtTruck 12 8.8E: Tractor Trailer UrAt 18 13.2

~ Total 136

TURNING MOVEMENT ABBREVIATIONSNR: Traffic From North Turning RightNL: Traffic From North Turning LeftNT: Traffic From North Proceeding Through



WR Traffic From West Turning RightWL: Traffic From West Turning LeftWT: Traffic From West Proceeding Through

South On 40

Vehicle Type Vol %

A: Passenger Vehicle 101 68.2B: Recreational Vehicle 15 10.1S: Bus 0 0.00: SIngle Unit Truck 14 9.5E:TractorTrallerUnlt 18 12.2

~ Total 148


West On

Vehicle Type Vol %

~: Passenger Vehicle 0 0.0B: Recreational VehIcle 0 0.0S:Bus 0 0.0D: Single Unit Truck 0 0.0E: Tractor Trailer Unit 0 0.0

Total 0

TURNING MOVEMENT ABBREVIATiONSNR: Traffic From North Turning RightNL: Traffic From North Turning LeftNT: Traffic From North Proceeding Through



WR: Traffic From West Turning RightWL: Traffic From West Turning LeftWT: Traffic From West Proceeding Through

North On 40

Vehicle Type Vol %

A: Passenger VehIcle 84 61.3B; Recreational VehIcle 30 21.98: Bus 0 0.00: Single Unit Truck 3 2.2E: Tractor Trailer Unit 20 14.6

~ total 137


Intersection of:40 & SMOKEY RIVER MINE ACC 1 5-58-8600000805

2007 p.m. 100th Highest Hour ESTIMATES

-~1-

EZ~- -LZ~

I 721

A 42B 17C 00 3E 10

NR IT M.

NR~

ET4 —

I ol I 641 I iiI I I

A OA 42A 0B 0 B 13 B 0C OC OC 00 00 OD 0E CE 9E 1

WL St ER

ELEJ~~SL4 — = = = — ~NL

A 0B 0C 0D 0E 0

A 0B 0C 00 0E 0

A 0B 0C 0D 0

-

WR NT ELA 0 A 41 A 4B 0 B 17 B 0C DC OC 00 CD 3D 3E 0 E 10 E 0

I I Ii i 711 I 71

I 781

East On Local Rd

Vehicle Type Vol %

~: Passenger Vehicle 9 60.0B; Recreational Vehicle 0 0.0S:Bu~ 0 0.00: Single UnitTruck 5 33.3E: Tractor Trailer Unit 1 6.7

ITot~ -~

— ______

~Sl~

ST SRA 46B 13C 0o 2E 9

I 701

C

South On 40

Vehicle Type Vol %

~: Passenger Vehicie 91 61.53: Recreallonal Vehicle 30 20.3S:Bus 0 0.0D; Single Unit Truck 8 5.4E: Tractor Trailer Unit 19 12.8

~ Total 148


(Amendment to Final Report: No 14 Mine Project, February 2007)Mimer Expansion Project

Appendix B

Analysis Data — Intersection Treatment

APRIL 1995

Ha

ci0

C

0

6000

5000

4000

3310

3000

2500

2000

1800

I 500~t4I.0

Alberta InfrastructureHIGHWAY GEOMETRIC DESIGN GUIDE

2. 11 main road is >4000 AADT Review Access Management- — — If Intersecting Road AADT is > Main Road AADT: Review Traffic Control Scheme

3. Use projected traffic volumes for designSloping line is defined by Main Road AADT x Intersecting Road AADT 800.000

_____________ ______ ________ AT-GRADE_INTERSECTIONS

C.R~PHICS Fli F TIr~cFcn~\pFR\IAMJI,A, \rHAPTr~c\ruAP ~

FIGURE D-7.4 TRAFFIC VOLUME WARRANT CHART FOR AT-GRADEINTERSECTION TREATMENT ON TWO-LANE RURAL HIGHWAYS

(DESIGN SPEEDS 100, 110. 120 km/h)—— ~ ..: -—

~2.oig Pvod~eJMhTT

IntersectionTreatment

T .e II, Type IIITy.- IV or Type V)

S~e Guidelines~ for Detailed Analysis

I 000

900

600

700

600

500

400

300

250

ZOO

IntersectionTreatment

Radius(Type I)

StandardIntersectionTreatment(Type III)

Review TrafficC?ntrol Scheme

- • 0 0 0 00 0 0 0000 0 00 0 0 0 0 0• 0 ~ 0 ‘%OO 0 0 0000 0 00 0 0 0 0 0

C’J ~.I I’) C~ jO ~- ~ (~ ~0 ‘C) 0 0 0- — ~ r.~ ~ )fl

Intersecting Road A,A.D.T.Notes:

I. If main road, or intersecting road, is <100 AADT provide Type I Intersection Treatment(I5m radius), except as shown for the higher volume main roads on this chart (Type Ior II zone) where engineering judgement may be used to select the appropriatetreatment.

INTERSECTION TREATMENT — MILNER POWER ACCESS

~26

V1 = 5 vph

Va = 199+5 = 204 vph

V1 5L=~-=~-~3%

= 145 + 13 = 158 vph

1

~11

2018

199

B

if145

2007

6

V1 = 2 vph

= 85 + 2 = 87 vph

V1 2L = — = — 3%

Va87

V0 = 62 + 2 = 68 vph

Alberta InfrastructureAUGUST 1999 HIGHWAY GEOMETRIC DESIGN GUIDE

0~>

-J

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500

400

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00

00 100 400 500 600 700 800 900 000

VA~ ADVANCING VOLUME (VPH)S Additional storage length required, that is. in addition so what is shown on the appropriate Type IV standard drawing. Designers

should check additional storage requirements for trucks, also see Table D.7.6a.Ti ullii. slgiiuls iiiuy bif wui I outed ii u urol oreas, or urban areas, with restricted flaw.

— — — Traffic signals may be warranted in “free flow’ urban areas.Notes:I. The traffic signal warrant lines are pravided for relerence only. Far detailed analysis of the requirements for signals, contact

Roadway Engineering Branch.2. Warrant for Type I treatment is shown in Figure D-7.4.

900

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700

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1•• I~ LEFT TURNS IN \~ 10%5~ ADDITIONAL STORAGE LENGTH

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From: Smith, Tony (Edmonton) [mailto:Tony. [email protected]]Sent: April 23, 2008 4:32 PMTo: Jeff MacLean; Richard BaneCc: Pettican, Al (Edmonton)Subject: RE: Data from COLT

Jeff I’ve responded to the questions within the note below (in blue text) and have attachedsome documents that we have used to complete our preliminary traffic assessment

The projected manpower levels and accompanying traffic for Milner 2 have been identified in the‘Anticipated Traffic Impacts” document previously forwarded

Please advise if you have any questions or require any additional information.

Regards,Tony

Original MessageFrom: Jeff MacLean [mailto:jmaclean(~maximpowercorp.com]Sent. Tuesday, April 22, 2008 11:18 AMTo: Pettican, Al (Edmonton); Smith, Tony (Edmonton)Cc: Richard BaneSubject: FW: Data from COLT

Al/Tony,

McElhanney requires the information below in order to update a previous Traffic ImpactsAssessment we had completed for our #14 Mine project (for M2). Can you provide thisinformation ASAP as the socio-ec consultant is on hold until the TIA update has been completed.

Thanks.

Jeff MacLean, P.Eng.Director, Coal SupplyMaxim Power Corp.Phone (403) 268-9405Cell (403) 669-9405Fax (403) 263-9125

Original MessageFrom: Glen Furtado [mailto~GFurtadoc~mcelhanney comiSent: April 22,200811:11 AMTo: Jeff MacLeanCc: Andrew Con nellSubject: Data from COLT

Hello Jeff,

In order for us to update the report, we need the following:

1. Need a percentage of traffic accessing the site from the south. The sheets provided note‘majority’ but we need something more specific to analyze.

Traffic assumptions:

- virtually all delivery vehicles will approach the site from the south on Hwy 40. Say ÷ 90% fromthe south.- single or passenger vehicles will also approach the site from the south. Again assume + 90%from the south- busses will originate from the camp. This site is anticipated to be within close proximity to thesite but could be north or south of the site.

- Labor related traffic will arrive prior to start of day shift, ie. 7.00 AM to 530 PM, and will departfrom site immediately after.

2. Size, class, and anticipated time frame for delivery trucks during the day. Are there any otheranticipated inbound/outbound traffic during the day?

Delivery trucks will generally arrive at site or at the staging location during the day shift Weestimate that approximately 70% of these trucks will be tandem axle, articulated tractor trailertype units and the remaining 30% will be single non-articulated type body trucks

Other anticipated inbound/outbound vehicles will include a staff bus which will likely travelbetween the camp and the site on an hourly basis, as well as the miscellaneous traffic associatedwith this type of project such as sales and support personnel We do not anticipate that thevolume of this miscellaneous traffic will be significant

3. Traffic data (AADT and/or peak hour volumes) before, at peak of construction and afterconstruction for the site access.

See attached.

If you could arrange for this information from Colt we can get started on this update for you rightaway.

Thanks,Glen

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Mimer 2 - Traffic Assessment

Year 1998 1999 2000 200 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015

AADT 610 610 690 800 760 730 830 960 1290 1100

%Growth 0.0 11.6 13.8 -5.3 -4.1 12.0 13.5 256 -17.3

4.veraged Annual Growth in AADT from 1998 to 2OO7(%~ 55

Projected2.5%Growth(Compounded) 1128 1156 1185 1214 1245 1276 1308 1340

Projected 2.5% Growth (Non-Compounded) ~ 1128 1155 1183 1210 1238 1265 1293 1320

Projected 5.5% Growth (Compounded) 1161 1224 1292 1363 1438 1517 1600 1688

Profected 5.5%Growth(No*t-Compounded) .— , 1.161 ,1221 ~1282 1342 -14~3 1463 1524 :1584

AnticipatedMaximumNumberofVeh~clesFromM2(oneway) 33 91 103 98 20

4ntlcipated Maximum Number of Vehicles From M2Ctwoway~ 66 182 206 196 40 —

MlIner2 TraMó and Projected AADT.at 5~5%non-compoundad :_ .‘ 1464 1548 1 599 1503 1524 15~4

Notes.1 Alberta Transportat on recommended traffic growth rate (default).

ALBERTA HIGHWAYS I TO 986TRAFFIC VOLUME HISTORY 1998- 2007

PrOduced; 20-Feb.2008 By CornerStone Solutions Inc.

H~y CS TCS Muni From

40 34 4 Gr~w N OF SHAND AVE IN GRANDE CACHE 4-574-60040150040 36 4 Grvw S OF SMOKEY RIVER MINE ACC 15-58-8-50000080540 36 4 Grvw N OF SMOKEY RIVER MINE ACC 15-58-840000080540 36 4 Grvw 24 KM N OF 40 & SMOKY RIVER GRANDE CACHE40 40 4 Grvw 35 KM S OF 40 & 666 GRANDE PRAIRIE40 40 8 Grvw SOFCANFORRD3~7~s.~o2go132540 40 8 Grvw N OF CANFOR RD 33-87-5-602801 32540 40 8 Grvw S OF COLD CREEK GAS PLANT 33-67-5-60225080040 40 8 Grvw N OF COLD CREEK GAS PLANT 33-67-5-60225060040 42 2 Grvw S OF T\NP RD 690 36-66-4-60560000040 42 2 Grvw N OF TWP RD 690 36-684-60560000040 42 2 Grvw S OF TWP RI) 692 12-69-6-61270000040 42 2 Grvw N OF TWP RD 692 12-69-6-61270000040 42 2 Grvw SOFAINS~AORThpLANTACC67o541o2s,14540 42 2 Grvw N OF AINSWORTH PLANT ACC 6-70-5-61025114640 42 2 Grvw S OF 666 NE OF GROVEDALE40 42 4 Grvw NOF666NEOFGROVEDALE40 42 4 GrPr S OF TWP RD 704A S OF GRANDE PRAIRIE 26-70-06-61566058540 42 4 GrPr N OF TWP RD 704A S OF GRANDE PRAIRIE 26-70-06-61 566058540 42 4 GrPr S OF 668 S OF GRANDE PRAIRIE40 42 8 GrPr N OF 868 S OF GRANDE PRAIRIE40 42 8 GrPr~40 43 0 CoGP S OF 43 IN GRANDE PRAIRIE 22-71-6.60000000041 2 4 Cypr S OF ONEFOUR ACC RD 19-1-2-40000000041 2 4 Cypr N OF ONEFOURACC RD 19-1-2-40000000041 2 4 Cypr S OF 501 S OF CRESSDAY41 2 8 Cypr N OF 501 S OF CRESSDAY41 3 4 Cypi 21.0KMSOF41&s14ELKv~TER41 3 4 Cypr E OF ELKWATERACC 19-8-2-41265031041 3 4 Cypr WOFELKWATERACC19-8-2.41255031041 4 4 Cypr SOF514NWOFELI~IAJATER41 4 8 Cypr NOF514NWOFELKWATER41 4 8 Cypr S OF 515 NWQF ELKWATER41 4 12 Cypr N OF 515 NWOF ELKWATER41 4 12 Cypr 3.6 KM S OF 1 &41 IRVINE41 4 12 Cypr SOF1WOFIRVINEEJ41 6 4 Cypr N OF 1 E OF DUNMORE WJ41 6 4 Cypr S OF 41A C OF MEDICINE HAT41 6 8 Cypr NOF41AEOFMEDICINEHAT41 5 8 Cypr 1.OKMNOF41 &41AMEDICINE HAT41 6 8 Cypr S OF VALE RD 1-15-3-400001280

Alberta Infrastructure and TransportationProgram Management Branch

Network Plazining and Performance

1998 1999 2000 2001 2002 2003 2004 2005 2006 2007AADT AADT AADT AAOT AADT AADT AADT AAOT AADT AADT ASDT

910 910 1020 860 1000 880650 850 720 620 860 760810 610 890 800 760 730880 880 960 1100 1060 1220880 880 940 1090 1040 1150930 930 950 1100 1240 1370920 920 950 1070 1240 1370

1250 1250 1170 1330 1480 1640

1240 1360 1800 1660 17901040 1200 1680 1420 1550

900 1040 1500 1140 1240830 980 1290 1100 1210

1420 1780 2040 1690 17501340 1780 2150 1720 17501590 1920 2610 2090 21301590 1920 2610 2090 21301860 2060 2730 2190 2230

2120 2780 2240 22802140 2800 2260 23002140 2800 2260 23002140 2800 2260 2300

1630 2140 2800 2260 23002130 2640 3450 2590 26402400 2980 3880 3100 31504190 5250 6850 6040 6310

5770 7460 6580 68806040 7810 6880 71906040 7810 6880 71908880 10410 9170 95809750 11090 9600 10180

24320 27590 26380 27550130 150 150 170130 150 150 170130 150 150 170150 170 170 200110 120 130 150450 450 450 590710 710 7~0 920680 660 670 880660 660 650 860680 680 670 680650 650 640 840670 650 670 870690 690 680 900

1780 1680 1700 18501910 1800 1820 19902130 1990 1980 21602130 1970 2000 21701650 1610 1600 1750

1420 1410 1500 1360 1330 14401830 1820 1950 1850 1790 19002030 1810 1950 2140 2080 21703610 3220 3470 3800 3690 3820

3700 3310 3560 3910 3810 4040 44106070 5430 5790 6330 6150 6890 75006980 6240 7070 7750 7560 8490 9140

20390 20890 22320120 140 130 130 120 120 120120 140 130 130 120 120 120100 170 180 180 170 120 120130 130 140 140 130 140 140110 130 110 120 110 100 100490 530 450 450 430 420 420700 740 630 650 700 700 680690 730 620 600 660 660 640660 700 600 580 640 640 620620 710 690 670 650 650 640660 740 720 700 680 680 610700 710 680 870 650 650 640760 790 730 720 700 700 680

1160 1220 1390 1420 14-40 1520 15601160 1230 1400 1410 1580 1660 16701600 1660 1730 1770 1880 1980 19801660 1740 1810 1830 1920 1970 20501450 1490 1500 1450 1490 1520 1520

Page 7D of 151 2/20~2008 10:03 AM 1VH2007.xls

WorleyParsons

Anticipated Traffic Impacts Arising from Construction of theMimer 2 Project

A review has been completed to estimate the traffic levels that will result from the Mimer 2 Project— namely the construction of a new 500 MW supercritical unit adjacent to the existing Mimer Plantfacilties. This project construction will commence in 2009 and will continue until the unit iscommissioned in 2013.

Traffic volume estimates reflect projections of the anticipated manpower levels required duringthe construction phase of Milner 2, and predicted modes of transportation used by workers toaccess the site. A so inc uded are estimates of material and equipment delivery vehicles.

Manpower Levels

The anticipated manpower levels and their distribution through the project are illustrated below.The overall peak leve is estimated to approach 680 in the summer of 2011. This peak levelreflects the highest anticipated craft manpower levels and staff levels per shift and is expected tooccur during the dayshift, typically from 7:00 AM to 5:30 PM. On Milner 2, nightshifts will havereduced manpower levels.

Mimer 2 Manpower Requirements

800

600

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a.~ 400

aa~ 300

200

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0

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4/18/2008 - Rev I Page 1 of 3

CCLTWorleyParsons

Mode of worker transportation

The mode of transportation used by the construction force will be either personal vehicles orbuses. The provision of bussing provides a significant reduction in project traffic levels.Although bus transportation will be made available to the majority of workers, experience atsimilar projects show that some workers will elect to use their personal vehicles. Somecarpooling occurs which will reduce traffic levels somewhat.

The majority of workers will be housed at a construction camp located within a few kilometers ofthe project site. These workers will likely be required to arrange their own transportation fromtheir home base to the camp; buses will be used to provide transportation to and from the campto the project site. Parking for personal vehicles will be very limited at the site. A remote parkingfacility will be developed and busing will also be provided from this location.

Material and Equipment Delivery

An average of 20 delivery trucks per day is expected during the construction phase. These truckswill be either tractor-trailer units or body trucks. Approximately 15 to 20 oversize loads areexpected during the project — these entail the delivery of large equipment and will be managed incompliance with transportation regulations.

Mimer 2 Traffic Volume

‘I

80

U,

U

>0

40

0

O # of Single VehiëlesBuses

Ha#o~oehveryveh~es

o o 0

~ 0

Time

01 01

4/18/2008 - Rev 1 Page 2 of 3

CCLTWorleyParsons

Traffic Routing

The majority of traffic to the Mimer 2 Project will access the site from the south on SecondaryRoad (SR) Highway 40. Although some traffic may access the site on SR Hwy. 40 from thenorth, the volume using this route is estimated to be low.

Capacity of Existing Roads to Support Mimer 2 Construction Traffic

There is a relatively low volume of traffic that will be accessing the Mimer 2 construction site. Atthis time, the need for modifications to the existing acceleration and deceleration lanes are notanticipated. However, a detailed review of the anticipated traffic volumes and the design capacityof Hwy 40 will be completed to verify the adequacy of the roadway. Any potential needs for roadmodifications will be identified as part of the Traffic Impacts Assessment that will be carried out aspart of the Mimer Expansion Environmental Impact Assessment.

Daily Distribution of Traffic

The majority of the Milner 2 construction traffic is expected to access the site from the southalong SR Hwy. 40. The daily peak traffic levels will result from the labor force arriving anddeparting for the dayshift that is presently scheduled from 7:00 AM to 5:30 PM. For the mostpart, this traffic will be traveling north on SR Hwy 40 before 7:00 AM and will be traveling southalong the same route after 5:30 PM. These peaks will occur before the dayshift commences andafter its completion, and will be very similar in volume. The timing of this traffic does not coincidewith existing daily peak traffic levels and typical school bus schedules; minimal adverse impact isanticipated.

Summary

Increased traffic levels will result from the construction of Milner 2 These levels are notanticipated to approach the design capacity of Hwy 40. A detailed review of the anticipated trafficvolumes and the design capacity of Hwy 40 will be completed to verfy the adequacy of theroadway. Any potential needs for road modifications will be designed in accordance with AlT andcompleted during the earliest stages of the Project.

4/18/2008 - Rev 1 Page 3 of 3

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