ALBERTA TRANSPORTATION NORTH CENTRAL REGION – …...Eleven (11) slope inclinometers (SI08-1,...

ALBERTA TRANSPORTATION NORTH CENTRAL REGION – ATHABASCA AREA

INSTRUMENTATION MONITORING RESULTS

SPRING 2015

SECTION C

SITE NC70: HWY 63:10 TRUCK STAGING AREA

1. OBSERVATIONS

1.1 Field Program and Instrumentation Status

Eleven (11) slope inclinometers (SI08-1, SI08-6, SI08-7, SI08-9, SI10-10R, SI08-13, SI08-17 to SI08-19, SI08-21, SI08-22,), twenty six (26) pneumatic piezometers (PN08-1 to PN08-8, PN08-10, PN08-11, PN08-13, PN08-17, PN08-18A, PN08-18B, PN08-19 to PN08-22, PN09-1A, PN09-2A, PN09-2B, PN09-3A, PN09-3B, PN09-10R, PN09-23A and PN09-23B), eighteen (18) standpipe piezometers (TH08-3, TH08-5 to TH08-7, TH06-5, SP08-13, PH08-1, PH08-2, PH08-4, PH08-5, PH08-9 to PH08-15, and PH08-17) were read at the Hwy 63:10 Truck Staging Area (TSA) site on June 1 and June 2, 2015 by Mr. Chad Gray, C.E.T., of Thurber Engineering Ltd. (Thurber). SI08-6 is broken at 0.6 m below ground surface.

Nine (9) slope inclinometers (SI11-12R, SI12-15R, SI08-16, SI11-24, and SI12-25 to SI12-29), four (4) pneumatic piezometers (PN08-12, PN08-14, PN08-15, and PN08-16) and fifteen (15) vibrating wire piezometers (VW11-12RA, VW11-12RB, VW12-15RA, VW12-15RB, VW11-24A, VW11-24B, VW12-25A, VW12-25B, VW12-26, VW12-27A, VW12-27B, VW12-28A, VW12-28B, VW12-29A and VW12-29B) have been monitored by Tetratech during the west berm construction and were not read during this monitoring event. SI08-16 was sheared off during construction. VW11-24A and VW11-24B are currently non-operational.

The SIs were read using a RST Digital Inclinometer probe with 2 ft wheelbase and a RST Pocket PC readout. Inclinometer reading depths were defined as per cable markings with respect to the top of the inclinometer casing. The pneumatic piezometers were read using a RST C108 pneumatic piezometer reader. The vibrating wire piezometers were read using a

Client: Alberta Transportation Date: June 9, 2015 File: 15-16-358 e-file: \\H\15\16-358 rpt NC70 - Edm of 18

GEO-KON GK-404 Digital VW data recorder device. The standpipe piezometers were read using a SINCO dipmeter.

The flow rates of the sub-horizontal drains were also recorded during this monitoring event.

2. INTERPRETATION

2.1 Zones of Movement

Zones of movement are summarized in Table NC70-1 at the end of this report. This table also provides a historical account of the total movement, the depth of movement, and the maximum rate of movement that has occurred at this site since the initialization of the slope inclinometers.

2.2 Interpretation of Monitoring Results

2.2.1 East Slide

Slope inclinometers SI08-1 and SI08-19 continued to show no discernible movement. SI08-7 showed a rate of movement of 0.8 mm/yr over 6.6 m to 7.9 m depth and no discernible movement over 12.1 m to 14.0 m depth. SI08-17 showed no discernible movement since the fall 2014 readings. SI08-18 showed a creep rate of movement of 0.1 mm/yr and 1.2 mm/yr over 6.2 m to 8.0 m depth and 11.7 m to 14.1 m depth, respectively. SI08-21 showed a creep rate of movement of 0.1 mm/yr over 7.9 m to 11.0 m depth and no discernible movement over 28.1 m to 29.3 m depth.

In general, the groundwater surface levels increased in the majority of the piezometers.

The variation in groundwater levels recorded in the pneumatic piezometers installed within the east slide area ranged from a decrease of less than 0.1 m in PN08-1 to an increase of 1.12 m in PN08-21. Groundwater levels remained unchanged in PN08-2 and PN08-5 since the previous readings in fall 2014.

The variation in groundwater levels recorded in the standpipe piezometers installed within the east slide area ranged from a decrease of 0.2 m in PH08-1 to an increase of 0.5 m in TH08-6. Groundwater levels remained unchanged in TH08-3 and TH06-5.

2.2.2 West Slide

2.2.2.1 Slope Inclinometer and Piezometer Readings

Slope inclinometer SI08-9 showed creep rates of movement of 0.9 mm/yr and 3.7 mm/yr over 12.4 m to 13.7 m depth and 14.3 m and 16.1 m depth, respectively. SI10-10R showed creep rates of movement of 0.9 mm/yr, 0.3 mm/yr, and 1.6 mm/yr over 11.7 m to 14.1 m depth, 22.7 m to 23.9 m depth, and 24.5 m to 25.7 m depth, respectively. SI08-13 showed no discernible

Client: Alberta Transportation Date: June 9, 2015 File: 15-16-358 e-file: \\H\15\16-358 rpt NC70 - Edm of 18

movement over 5.1 m to 8.8 m depth and a creep rate of movement of 0.3 mm/yr over 13.0 m to 14.9 m depth. SI08-22 showed no discernible movement over 33.5 m to 35.3 m depth.

In general, the groundwater surface levels increased in the majority of the piezometers.

The variation in groundwater levels recorded in the standpipe piezometers installed within the west slide area ranged from a decrease of 0.06 m in PH08-2 to an increase of 1.77 m in PH08-12.

The variation in groundwater levels recorded in the pneumatic piezometers installed within the west slide area ranged from a decrease of 3.66 m in PN09-23A to an increase of 0.35 m in PN09-2B. PN08-11, PN09-1A, PN09-2A and PN09-23B continued to show above ground water levels.

The deep pneumatic piezometers installed in the sandstone aquifer below the truck staging area pad continued to show relatively unchanged below groundwater levels since the installation of subhorizontal drains. However, the deep pneumatic piezometers installed in the clayshale formation below the truck staging area pad continued to show above groundwater levels ranging from 5.06 m in PN09-2A to 11.62 m in PN09-23B. During this monitoring event, the groundwater level remained the same in PN09-2A and decreased by 0.07 m in PN09-23B.

2.2.2.2 Sub-horizontal Drains Flow Rates

One subhorizontal drain (subdrain #15) was flowing in MH#2 at 0.59 L/min. Nine (9) of the MH#1 drains were flowing at a total flow rate of 2.06 L/min. The total flow rate increased by 0.87 L/min since the previous monitoring event in the fall of 2014.

3. RECOMMENDATIONS

3.1 Future Work

The instruments should be read again in fall 2015. Consideration should be given for flushing the sub-horizontal drains in MH#1, MH#2, and sub-drain pipes connected to MH#4. Frequent maintenance of drainage improvement measures is essential to reduce the likelihood of plugging the drains, which would result in a rise in groundwater level and potential accelerated landslide movements.

3.2 Instrumentation Repairs

No instrument repairs are required at this time.

Client: Alberta Transportation Date: June 9, 2015 File: 15-16-358 e-file: \\H\15\16-35 rpt NC70 -Edm of 18

TABLE NC70-1 HWY 63:10 TRUCK STAGING AREA SLIDE

SLOPE INCLINOMETER INSTRUMENTATION READING SUMMARY

Date Monitored: June 1, 2015

INSTRUMENT #

DATE INITIALIZED

TOTAL CUMULATIVE RESULTANT MOVEMENT AND DEPTH

OF MOVEMENT TO DATE

(mm)

MAXIMUM RATE OF

MOVEMENT (mm/yr)

CURRENT STATUS

DATE OF

LATEST READING

DATE OF

PREVIOUS READING

INCREMENTAL MOVEMENT

SINCE PREVIOUS READING

(mm)

CURRENT RATE OF

MOVEMENT (mm/yr)

CHANGE IN RATE OF

MOVEMENT SINCE

PREVIOUS READING (mm/yr)

EAST SLIDE

SI08-1 Feb. 14, 2008 No discernible

movement N/A Operational June 1, 2015

September 10, 2014

N/A N/A N/A

SI08-2 Feb. 14, 2008

4.4 over 1.8 m to 3 m depth in

3300 direction (May 4, 2008)

320 between April 30 and

May 4, 2008 over 1.8 m to 3 m in 3330 direction

Sheared off at 6 m below

ground surface on

May 28, 2008

N/A May 4, 2008

N/A N/A N/A

22.8 over 5.5 m to 7.3 m depth in 3300 direction (May 4, 2008)

1398.6 between April 30 and

May 4, 2008 over 5.5 m to 7.3 m in

3330 direction

N/A N/A N/A

11 over 8.5 m to 9.7 m depth in

3300 direction (May 4, 2008)

671.6 between April 30 and

May 4, 2008 over 8.5 m to 9.7 m in

3330 direction

N/A N/A N/A

SI08-2R (Replacement

for SI08-2)

June 29, 2008

10.6 over 6.2 m to 8 m depth in

3250 direction

132.6 between July 5 and

July 13, 2008


ground surface on

Sept. 7, 2008

N/A Aug. 24, 2008

N/A N/A N/A

27.3 over 9.2 m to 11.1 m depth in 3250 direction

538.7 between June 29 and July 5, 2008

N/A N/A N/A


TABLE NC70-1 – CONTINUED… HWY 63:10 TRUCK STAGING AREA SLIDE



INSTRUMENT #

DATE INITIALIZED


OF MOVEMENT TO DATE

(mm)

MAXIMUM RATE OF

MOVEMENT (mm/yr)

CURRENT STATUS

DATE OF

LATEST READING

DATE OF

PREVIOUS READING



(mm)

CURRENT RATE OF

MOVEMENT (mm/yr)

CHANGE IN RATE OF

MOVEMENT SINCE


EAST SLIDE – Continued…

SI08-3 July 12, 2008


664 between July 21 and

July 13, 2008 Sheared off at 14.6 mBGS on Aug. 24, 2008

N/A Aug. 8, 2008

N/A N/A N/A



July 12, 2008 N/A N/A N/A

SI08-4 July 12, 2008



July 12, 2008 Sheared off at 15.9 m below

ground surface on

Aug. 24, 2008

N/A Aug. 8, 2008

N/A N/A N/A







SI08-5 June 29, 2008


15.1 on August 8, 2008 Broken at

0.09 mBGS N/A May 14, 2013

N/A N/A N/A


27.9 on July 27, 2008 N/A N/A N/A

SI08-6 June 26, 2008 No discernible movement N/A

Broken at 0.6 mBGS on June 1, 2015

June 1, 2015 September 10, 2014 N/A N/A N/A





INSTRUMENT #

DATE INITIALIZED


OF MOVEMENT TO DATE

(mm)

MAXIMUM RATE OF

MOVEMENT (mm/yr)

CURRENT STATUS

DATE OF

LATEST READING

DATE OF

PREVIOUS READING



(mm)

CURRENT RATE OF

MOVEMENT (mm/yr)

CHANGE IN RATE OF

MOVEMENT SINCE


EAST SLIDE – Continued…

SI08-7 June 29, 2008

7.7 over 6.6 m to 7.9 m depth in 318o direction

22.0 on July 5, 2008

Operational June 1, 2015 September 10, 2014

0.6 0.8 1.7

27.2 over 12.1 m to 14 m depth in 318o direction

102.2 On July 5, 2008

No discernible movement

N/A 1.3

SI08-17 Dec. 15, 2008 16.0 over 13.6 m to 16.6 m

depth in 320o direction

21.0 on Oct. 4, 2009



N/A 0.4

SI08-18 Dec. 14, 2008

3.1 over 6.2 m to 8.0 m depth in

311o direction

3.1 on Oct. 7, 2009


0.1 0.1 -0.2

2.9 over 11.7 m to 14.1 m depth in

311o direction

3.2 on Feb. 20, 2009

0.9 1.2 1.2

SI08-19 Dec. 12, 2008 No discernible

movement N/A Operational June 1, 2015

September 10, 2014

N/A N/A N/A

SI08-20 Dec. 19, 2008 No discernible Movement N/A Broken at

0.55 mBGS N/A Sept. 27, 2012 N/A N/A N/A

SI08-21 Dec. 17, 2008

2.6 over 7.9 m to 11.0 m depth in 338° direction

1.6 on May 5, 2010


0.1 0.1 0.3

2.0 over 28.1 m to 29.3 m depth in 338° direction

11.3 on Jan. 13, 2009


N/A -0.7





INSTRUMENT #

DATE INITIALIZED


OF MOVEMENT TO DATE

(mm)

MAXIMUM RATE OF

MOVEMENT (mm/yr)

CURRENT STATUS

DATE OF

LATEST READING

DATE OF

PREVIOUS READING



(mm)

CURRENT RATE OF

MOVEMENT (mm/yr)

CHANGE IN RATE OF

MOVEMENT SINCE


WEST SLIDE

SI08-8 June 29, 2008 No discernible movement N/A Broken at

0.36 mBGS N/A May 16, 2013 N/A N/A N/A

SI08-9 July 12, 2008


95.7 on Sept. 30, 2009


0.6 0.9 1.9


171.9 on July 27, 2008

2.7 3.7 7.3

SI08-10 July 13, 2008


265.7 between Sep.8 and

15, 2009( during construction)


ground surface on

Sept. 20, 2009

N/A Sep. 15, 2009

N/A N/A N/A


115.4 between Sep.8 and

15, 2009 ( during construction)

N/A N/A N/A





INSTRUMENT #

DATE INITIALIZED


OF MOVEMENT TO DATE

(mm)

MAXIMUM RATE OF

MOVEMENT (mm/yr)

CURRENT STATUS

DATE OF

LATEST READING

DATE OF

PREVIOUS READING



(mm)

CURRENT RATE OF

MOVEMENT (mm/yr)

CHANGE IN RATE OF

MOVEMENT SINCE


WEST SLIDE – Continued…

SI10-10R (Replacement for SI08-10)

Jan. 28, 2010


9.1 on March 7, 2010

Operational June 1, 2015

September 10, 2014

0.7 0.9 -1.0


11.3 on Feb. 11, 2010 0.2 0.3 0.3


10.0 on July 27, 2010 1.2 1.6 0.2

SI08-11 July 13, 2008


115.1 on Oct. 16, 2009 Broken at surface on

May 27, 2014 N/A May 28, 2014 N/A N/A N/A

SI08-12 July 12, 2008



July 12, 2008

Sheared off at 19.5 m below

ground surface on

Aug. 24, 2008

N/A Aug. 8, 2008 N/A N/A N/A





INSTRUMENT #

DATE INITIALIZED


OF MOVEMENT TO DATE

(mm)

MAXIMUM RATE OF

MOVEMENT (mm/yr)

CURRENT STATUS

DATE OF

LATEST READING

DATE OF

PREVIOUS READING



(mm)

CURRENT RATE OF

MOVEMENT (mm/yr)

CHANGE IN RATE OF

MOVEMENT SINCE



SI11-12R (Replacement for

SI08-12)

October 21, 2011


0.7 on March 3, 2012

Operational Read by Tetratech

September 10, 2014

N/A N/A N/A


2.8 on Nov. 28, 2011 N/A N/A N/A

SI08-13 July 13,

2008


580.5 on Aug. 3, 2008

Operational June 1, 2015 September 10,

2014


N/A 0.8


86.1 on Aug. 3, 2012 0.2 0.3 1.7

SI08-14 Dec. 9, 2008


77.4 between Dec. 6, 2008 and

Jan. 12, 2009

Sheared off at 18.5 m B.G.S. on

May 7, 2010

N/A Dec. 6, 2008 N/A N/A N/A

SI08-15 Dec. 11, 2008


94 between Jan. 12, 2009 and

June 19, 200 9

Sheared off at 15 m

B.G.S on Nov. 3, 2009

N/A June 19, 2009 N/A N/A N/A

SI12-15R (Replacement for

SI08-15) Feb. 8, 2012


N/A Operational Read by Tetratech

September 10, 2014

N/A N/A N/A





INSTRUMENT #

DATE INITIALIZED


OF MOVEMENT TO DATE

(mm)

MAXIMUM RATE OF

MOVEMENT (mm/yr)

CURRENT STATUS

DATE OF

LATEST READING

DATE OF

PREVIOUS READING



(mm)

CURRENT RATE OF

MOVEMENT (mm/yr)

CHANGE IN RATE OF

MOVEMENT SINCE



SI08-16 Dec. 7, 2008


N/A Operational Read by Tetratech

Sept. 25, 2012 N/A N/A N/A

SI08-22 Dec. 19, 2008 7.0 over 33.5 m to

35.3 m depth in 340o direction

61.4 on Sept. 20, 2009 Operational June 1, 2015 September 10,

2014 No discernible

movement N/A -0.3

SI10-23 Jan. 28, 2010

No discernible Movement N/A

Sheared off at 27 m B.G.S. on March 3,

2012

N/A Feb. 11, 2010 N/A N/A N/A

SI11-24 Oct. 20, 2011 2.5 over 18.3 m to


6.8 on March 2, 2012 Operational Read by Tetratech

September 10, 2014

N/A N/A N/A

SI12-25 Feb. 8, 2012 1.3 over 15.2 m to


2.2 on April 15, 2012 Operational Read by Tetratech

September 10, 2014

N/A N/A N/A


movement N/A Operational

Read by Tetratech

September 10, 2014

N/A N/A N/A



Read by Tetratech

September 10, 2014

N/A N/A N/A

SI12-28 Feb. 9, 2012


2.6 on April 15, 2012

Operational Read by Tetratech

September 10, 2014

N/A N/A N/A


2.1 on April 15, 2012 N/A N/A N/A



Read by Tetratech

September 10, 2014

N/A N/A N/A



PNEUMATIC PIEZOMETER INSTRUMENTATION READING SUMMARY


INSTRUMENT # DATE

INITIALIZED

TIP DEPTH B.G.S

(m)

GROUND ELEV.

(m)

CURRENT STATUS

MAXIMUM PORE

PRESSURE (kPa)

LATEST MEASURED

PORE PRESSURE

(kPa)

LATEST WATER LEVEL B.G.S

(m)

PREVIOUS WATER LEVEL B.G.S

(m)

CHANGE IN WATER LEVEL SINCE

PREVIOUS READING

(m) EAST SLIDE

PN08-1 (30492) Feb. 14, 2008 8.2 516.6 Operational 46.2

on July 12, 2008 40.0 4.12 4.05 -0.07

PN08-2 (30494) Feb. 14, 2008 10.0 516.4 Operational 110.2

on July 6, 2008 83.4 1.49 1.49 0.00

PN08-3 (31972) July 12, 2008 8.4 526.4 Operational 70.0 on Aug. 13,

2009 67.6 1.51 1.58 0.07

PN08-4 (31974) July 12, 2008 5.5 526.0 Operational 45.5 on May 14,

2013 40.0 1.42 1.98 0.56

PN08-5 (31835) June 27, 2008 9.8 513.8 Operational 63.4

on July 21, 2008 42.7 5.44 5.44 0.00


on Nov. 25, 2008 33.1 3.33 3.04 -0.29


on Nov. 25, 2008 18.6 5.90 5.55 -0.35


on Jan. 15, 2009 116.5 0.42 0.70 0.28

PN08-18A (32097) Dec. 17, 2008 11.6 497.9 Operational 85.5

on June 2, 2015 85.5 2.88 3.59 0.71

PN08-18B (32301) Dec. 17, 2008 19.8 497.9 Operational 155.9

on Jan. 15, 2009 114.5 8.13 9.18 1.05

PN08-19 (32330) Dec. 17, 2008 9.1 496.4 Operational 85.5

on June 2, 2015 85.5 0.38 1.37 0.99




INSTRUMENT # DATE

INITIALIZED

TIP DEPTH B.G.S

(m)

GROUND ELEV.

(m)

CURRENT STATUS

MAXIMUM PORE

PRESSURE (kPa)

LATEST MEASURED

PORE PRESSURE

(kPa)


(m)


(m)


PREVIOUS READING

(m) EAST SLIDE (Continued)


on Aug. 13, 2009 140.0 0.03 0.38 0.35


on Jan. 15, 2009 145.5 0.17 1.29 1.12

PN09-3A (32534) April 16, 2009 15.3 512.2 Operational 118

on March 3, 2012 116.5 3.42 3.07 -0.35

PN09-3B (32533) April 16, 2009 28.1 512.2 Operational 222.2

on June 19, 2009 146.2 13.20 13.76 0.56

WEST SLIDE


on Nov. 25, 2008 26.9 1.86 0.80 -1.06

PN08-10 (31973) July 12, 2008 6.4 509.4 Operational 91.0

on Oct. 4, 2009 52.4 1.06 0.71 -0.35


on Oct. 4, 2009 68.3 -0.86 -0.93 -0.07


on Jul. 12, 2008 Read by Tetratech

N/A N/A N/A


on Nov. 10, 2009 57.9 1.69 1.69 0.00




INSTRUMENT # DATE

INITIALIZED

TIP DEPTH B.G.S

(m)

GROUND ELEV.

(m)

CURRENT STATUS

MAXIMUM PORE

PRESSURE (kPa)

LATEST MEASURED

PORE PRESSURE

(kPa)


(m)


(m)


PREVIOUS READING

(m) WEST SLIDE (Continued)

PN08-14 (32094) Dec. 17,2008 19.3 504.8 Damaged 292.0 on Aug. 13, 2009

Read by Tetratech N/A N/A N/A

PN08-15 (32302) Dec. 17,2008 19.9 502.8 Operational 172.5

on Dec. 17, 2008 Read by Tetratech

N/A N/A N/A


on Oct. 6, 2010 Read by Tetratech

N/A N/A N/A


on Dec. 18, 2008 155.8 4.31 4.31 0.00

PN09-1A (32536) April 17, 2009 15.4 510.83 Operational 270 on Oct. 13,

2009 257.2 -10.82 -10.89 -0.07

PN09-1B (32535) April 17, 2009 27.1 510.83 Unable to Locate

462.0 on Sept. 20, 2009 N/A N/A N/A N/A

PN09-2A (32532) April 15, 2009 15.4 511.69 Operational 209.0

on Sept. 15, 2009 200.6 -5.06 -5.06 0.00

PN09-2B (32534) April 15, 2009 26.8 511.69 Operational 401.0

on Sept. 11, 2009 176.5 8.80 9.15 0.35




INSTRUMENT # DATE

INITIALIZED

TIP DEPTH B.G.S

(m)

GROUND ELEV.

(m)

CURRENT STATUS

MAXIMUM PORE

PRESSURE (kPa)

LATEST MEASURED

PORE PRESSURE

(kPa)


(m)


(m)


PREVIOUS READING


PN09-10R (32611) Dec. 12, 2009 14.2 510.96 Operational 135.2

on Dec. 12, 2009 100.7 3.94 2.74 -1.20

PN09-23A (32882) Dec. 10, 2009 7.77 510.37 Operational 144.9

on Dec. 10, 2009 2.1 7.56 3.90 -3.66

PN09-23B (32610) Dec. 10, 2009 16.9 509.93 Operational 287.7

on June 4, 2012 279.9 -11.62 -11.69 -0.07



STANDPIPE PIEZOMETER INSTRUMENTATION READING SUMMARY


INSTRUMENT # DATE

INITIALIZED

TIP DEPTH B.G.S

(m)

GROUND ELEV.

(m)

CURRENT STATUS

MAXIMUM WATER LEVEL

B.G.S (m)

LATESTMEASURED

WATER LEVEL B.G.S

(m)

PREVIOUS READING

B.G.S (m)

CHANGE INWATER LEVEL


(m) EAST SLIDE

TH08-3 Feb. 14, 2008 10.3 (2.8)*

518.7 Operational 1.13

on August 13, 2009 1.27 1.30 0.03

TH08-4 Feb. 14, 2008 10.6 (7.4) * 518.7 Broken at

1.56 mBGS 0.60

on July 27, 2008 N/A N/A N/A

TH08-5 Feb 14, 2008 10

(5.3) * 521.5 Operational

0.76 on July 27, 2008

2.69 2.38 -0.31

TH08-6 Feb. 14, 2008 9.9


0.55 on June 27, 2008

2.45 2.94 0.49

TH08-7 Feb. 14, 2008 9.9


0.11 on July 12, 2008

1.35 1.75 0.40

TH08-8 Feb. 14, 2008 9.7 524.2 Blocked at 0.8 mBGS

1.52 on June 27, 2008 N/A N/A N/A

TH06-5 May 28, 2008 10.3 524.2 Operational 0.31

on May 28, 2008 2.77 2.77 0.00

PH08-1 Dec. 3, 2008 8.2 509.7 Operational 2.74

on Sept. 25, 2012 3.10 2.91 -0.19

WEST SLIDE

SP08-13 Jul. 12, 2008 3.3 507.8 Operational 1.10

on May 4, 2010 1.59 2.68 1.09


on Sept. 25, 2009 5.36 5.30 -0.06


on Jan. 15, 2009 2.14 3.17 1.03

PH08-5 Dec. 3, 2008 9.6 509.6 Operational -0.92

on Oct. 22, 2009 1.28 1.44 0.16

* New depth after being sheared off.



STANDPIPE PIEZOMETER INSTRUMENTATION READING SUMMARY

INSTRUMENT # DATE

INITIALIZED

TIP DEPTH B.G.S

(m)

GROUND ELEV.

(m)

CURRENT STATUS

MAXIMUM WATER LEVEL

B.G.S (m)

LATESTMEASURED

WATER LEVEL B.G.S

(m)

PREVIOUS READING

B.G.S (m)

CHANGE INWATER LEVEL



PH08-6 Dec. 3, 2008 9.8 509.0 Destroyed

During Construction

0.20 on Oct. 16, 2009 N/A N/A N/A

PH08-7 Dec. 3, 2008 4.7 511.9 Blocked at 1.35 mBGS

0.41 on May 14, 2013 N/A N/A N/A

PH08-8 Dec. 3, 2008 5.1 510.8 Destroyed

During Construction

N/A N/A N/A N/A


on May 14, 2013 3.43 4.36 0.93


on March 3, 2012 1.29 2.20 0.91


on Dec. 9, 2009 1.96 3.01 1.05


on Jan. 15, 2009 1.19 2.96 1.77


on Sept. 19, 2011 1.42 2.29 0.87


on Jan. 16, 2009 0.79 1.27 0.48


on Sept. 25, 2009 1.94 2.35 0.41


on May 14, 2013 1.46 2.34 0.88

PH08-19 Dec. 3, 2008 7.3 512.1 Destroyed

During Construction

0.06 on Sept 28, 2009 N/A N/A N/A



VIBRATING WIRE PIEZOMETER INSTRUMENTATION READING SUMMARY


INSTRUMENT # DATE

INITIALIZED

TIP ELEV.

(m)

GROUND ELEV.

(m)

CURRENT STATUS

MAXIMUM GROUNDWATER ELEV.

(m)

GROUNDWATER ELEV.

(m) (SPRING 2015)

GROUNDWATER ELEV.

(m) (FALL 2014)


PREVIOUS READING

(m)

WEST SLIDE

VW11-12RA (15893) Oct. 20, 2011 497.2 507.34 Operational 509.43 on Oct. 20, 2011 Read by Tetratech

504.75 (2.59 mBGS)

N/A

VW11-12RB (15907) Oct. 19, 2011 488.65 507.34 Operational 511.37 on Oct. 19, 2011 Read by Tetratech

509.15 (1.81 mAGS)

N/A

VW12-15RA (15896) Feb. 1, 2012 494.01 502.81 Operational 503.77 on April 15, 2012 Read by Tetratech

502.27 (0.54 mBGS)

N/A

VW12-15RB (15902) Feb 1, 2012 487.57 502.81 Operational 503.04 on April 15, 0212 Read by Tetratech

502.37 (0.43 mBGS)

N/A

VW11-24A (15900) Oct. 20, 2011 487.41 506.71 Non-Operational 509.86 on Oct. 20, 2011 N/A N/A N/A

VW11-24B (15894) Oct. 20, 2011 481.30 506.71 Non-Operational 510.96 on Oct. 20, 2011 Read by

Tetratech 508.85

(2.15 mAGS) N/A

VW12-25A (15895) Jan. 30, 2012 496.07 503.69 Operational 503.17 on Jan. 30, 2012 Read by Tetratech

501.41 (2.29 mBGS)

N/A

VW12-25B (15904) Jan. 30, 2012 484.89 503.69 Operational 508.18 on April 15, 2012 Read by Tetratech

508.14 (4.44 mAGS)

N/A



VIBRATING WIRE PIEZOMETER INSTRUMENTATION READING SUMMARY

INSTRUMENT # DATE

INITIALIZED

TIP ELEV.

(m)

GROUND ELEV.

(m)

CURRENT STATUS

MAXIMUM GROUNDWATER ELEV.

(m)

GROUNDWATER ELEV.

(m) (SPRING 2015)

GROUNDWATER ELEV.

(m) (FALL 2014)


PREVIOUS READING

(m)

WEST SLIDE - CONTINUED

VW12-26 (15905) Feb. 1, 2012 483.98 500.58 Operational 498.54 on Feb. 1, 2012 Read by Tetratech

497.47 (3.11 mBGS)

N/A

VW12-27A (15899) Feb. 1, 2012 485.15 498.87 Operational 497.97 on Feb. 1, 2012 Read by Tetratech

497.29 (1.58 mBGS)

N/A

VW12-27B (15901) Feb. 1, 2012 479.67 498.87 Operational 496.81 on May 27, 2014 Read by Tetratech

496.07 (2.80 mBGS)

N/A

VW12-28A (15898) March 3, 2012 495.7 506.06 Operational 507.15 on April 15, 2012 Read by Tetratech

506.28 (0.22 mAGS)

N/A

VW12-28B (15908) March 3, 2012 486.55 506.06 Operational 506.97 on April 15, 2012 Read by Tetratech

506.49 (0.43 mAGS)

N/A

VW12-29A (15897) Jan. 30, 2012 496.28 504.64 Operational 503.85 on May 27, 2014 Read by Tetratech

503.57 (1.07 mBGS)

N/A

VW12-29B (15903) Jan. 30, 2012 485.31 504.64 Operational 508.84 on May 16, 2013 Read by Tetratech

508.67 (4.04 mAGS)

N/A

ALBERTA TRANSPORTATION NORTH CENTRAL REGION – ATHABASCA AREA

INSTRUMENTATION MONITORING RESULTS

SPRING 2015

SECTION D DATA PRESENTATION

SITE NC70: HWY 63:10 TRUCK STAGING AREA

ALBERTA TRANSPORTATIONNORTH CENTRAL REGION - ATHABASCA AREA

INSTRUMENTATION MONITORING FIELD SUMMARY (NC70)

Location: NC70 - HWY 63:10, 50 km. S. of Fort McMurray Readout: RST #8File Number: 15-16-358 Extension: 2.75"

Probe: RST #8 Temp: 16°C Cable: RST #8 Read by: CMG

SI# Date Stickup Depth from top Azimuth of Current Bottom Remarks(ft) of Casing (ft) A+ Groove

Northing Easting A+ A- B+ B-SI08-1 6253575 479349.8 1-Jun-15 2.69 89 to 3 340 -274 221 -46 33 Casing breaking @ 4 ftSI08-6 6253610 479342 1-Jun-15 2 83 to 5 332SI08-7 6253715 479380 1-Jun-15 3.2 65 to 3 325 -200 198 856 -863SI08-9 6253591 479187 1-Jun-15 2.2 53 to 5 0 2317 -2332 679 -653

SI10-10R 6253651 479161 1-Jun-15 2.67 99 to 1 340 4 -10 181 -181SI08-13 6253652 479009 1-Jun-15 2.2 63 to 5 318 -776 738 69 89SI08-17 6253786 479305 1-Jun-15 2.89 93 to 5 320 -165 -171 139 -142 3.34 Dia Depth from TOC 94'SI08-18 6253845 479276 1-Jun-15 2.89 97 to 5 280 338 -345 607 -612 3.34 Dia Depth from TOC 99'SI08-19 6253952 479254 1-Jun-15 2.62 97 to 5 314 -221 212 405 -406 3.34 Dia Depth from TOC 99' 4"SI08-21 6253929 479416 1-Jun-15 3.2 97 to 5 338 -218 209 38 -40 *3.34 Dia Depth from TOC 99'SI08-22 6253517 479196 1-Jun-15 3.08 127 to 5 330 201 -206 159 -162

Notes: R denotes a replacement instrument. *SI08-21 comes out of grooves - casing is seperatedRecord depth of casing separation during Fall 2015 Readings

Casing Broken @ 4ft Below T.O.C.

UTM NAD 83

SPRING 2015

SLOPE INCLINOMETER (SI) READINGSGPS Location

Depth Readings

Location: NC70 - HWY 63:10, 50 km. S. of Fort McMurray Readout: -File Number: 15-16-358 Extension: -

Probe: - Temp: 15°CCable: - Read by: CMG

PN# Date Reading Identification Remarkspsi Number/ Tip BGS Northing Easting

PN08-1 2-Jun-15 5.8 (30492) tip at 8.15 m 6253575 479350PN08-2 2-Jun-15 12.1 (30494) tip at 9.98 m 6253592 89 to 11PN08-3 2-Jun-15 9.8 (31972 ) tip at 8.4 m 6253493 479410PN08-4 2-Jun-15 5.8 (31974) tip at 5.5 m 6253504 479451PN08-5 2-Jun-15 6.2 (31835) tip at 9.8 m 6253627 479400PN08-6 2-Jun-15 4.8 (31956 ) tip at 6.7 m 6253610 479342PN08-7 2-Jun-15 2.7 (31957) tip at 7.8 m 6253715 479380PN08-8 2-Jun-15 3.9 (31959) tip at 4.6 m 6253589 479237

PN08-10 2-Jun-15 7.6 (31973 ) tip at 6.4 m 6253652 479155PN08-11 2-Jun-15 9.9 (31958 ) tip at 6.1 m 6253686 479126PN08-13 2-Jun-15 8.4 (31836) tip at 7.6 m 6253652 479009PN08-17 2-Jun-15 16.9 (32096 ) tip at 12.34 m 6253786 479305 Attached to SI casing

PN08-18-A 2-Jun-15 12.4 (32097 ) tip at 11.6 m 6253845 479276 Attached to SI casing

PN08-18-B 2-Jun-15 16.6 (32301 ) tip at 19.83 m 6253845 479276 Attached to SI casing

PN08-19 2-Jun-15 12.4 (32330 ) tip at 9.12 m 6253952 479254 Attached to SI casing




PN09-1A 2-Jun-15 37.3 (32536 ) tip at 15.4 m 6253613 479097PN09-2A 2-Jun-15 29.1 (32532 ) tip at 15.4 m 6253616 479191 PN09-2A & B are nested in same hole

PN09-2B 2-Jun-15 25.6 (32537 ) tip at 26.8 m 6253616 479191PN09-3A 2-Jun-15 16.9 (32534 ) tip at 15.3 m 6253627 479287 PN09-3A & B are nested in same hole

PN09-3B 2-Jun-15 21.2 (32533) tip at 28.1 m 6253627 479287PN09-10R 2-Jun-15 14.6 (32611 ) tip at 14.2 m 6253651 479161

PN09-23A 2-Jun-15 0.3 (32882) tip at 7.8 m 628362 479082 PN09-23A & B are nested in same hole

PN09-23B 2-Jun-15 40.6 (32610 ) tip at 16.92 m 6283632 479082

PNEUMATIC PIEZOMETER (PN) READINGSGPS - UTM NAD 83

Note: R denotes a replacement instrument.


INSTRUMENTATION MONITORING FIELD SUMMARY (NC70)SPRING 2015

Location: NC70 - HWY 63:10, 50 km. S. of Fort McMurray Readout: -File Number: 15-16-358 Extension: -

Probe: - Temp: 15°CCable: - Read by: CMG

SP# Date Stick-upNorthing Easting (m)6253508.9 479493.9 TH06-5 2-Jun-15 1.236253547 479357.4 TH08-3 2-Jun-15 06253524 479363.2 TH08-5 2-Jun-15 0.546253542 479420.7 TH08-6 2-Jun-15 0.686253501 479368.7 TH08-7 2-Jun-15 0.346253652 479009 SP08-13 2-Jun-15 0.156253682 479319 PH08-1 2-Jun-15 0.96253666 479254 PH08-2 2-Jun-15 0.946253635 479086 PH08-4 2-Jun-15 0.866253624 479034 PH08-5 2-Jun-15 0.986253883 479105 PH08-9 2-Jun-15 0.926253520 479053 PH08-10 2-Jun-15 0.926253845 479100 PH08-11 2-Jun-15 1.006253492 479108 PH08-12 2-Jun-15 0.936253523 479126 PH08-13 2-Jun-15 1.076253576 479117 PH08-14 2-Jun-15 1.016253634 479181 PH08-15 2-Jun-15 0.846253790 479092 PH08-17 2-Jun-15 1.00

3.59 3.76

STANDPIPE PIEZOMETER READINGSGPS Location Reading below Bottom Pipe Depth

top of casing (m) (below top of casing (m)

3.13 10.542.04 6.51

1.57 3.063.23 5.79

2.20 10.50

2.29 2.904.00 9.136.30 10.65

1.80 8.152.78 9.12

4.35 5.552.21 5.622.96 8.80


INSTRUMENTATION MONITORING FIELD SUMMARY (NC70)SPRING 2015

3.00 6.20

2.46 10.72

2.12 6.752.49 10.70

T

T

C

H

IG

H

W

A

Y

6

3

SW3 86-9-4

NW3 86-9-4

SW3 86-9-4

C

R

A

C

K

C

R

A

C

K

C

R

A

C

K

VERTICAL 600mm CSP

OUTLET (No. 1)

EL. 514.23

DRAIN CLEANOUT EL. 513.12

P

O

P

O

P

O

P

O

P

O

P

O

P

O

(J

U

N

E

3

0

, 2

0

0

8

)

(

A

U

G

5

,

2

0

0

8

)

(A

U

G

5

, 2

0

0

8

)

(

A

U

G

5

,

2

0

0

8

)

(JU

NE

30, 2008)

C

R

A

C

K

OUTLET (No. 4)

EL. 513.49

OUTLET (No. 3)

EL. 519.00

POTENTIAL LIMIT OF WEST

SLIDE - LEANING TREES

AND HIGH GROUND

POTENTIAL TOE OF

SLIDE - SHALLOW RIDGE

19+000

18+800

18+600

19+200

E

D

G

E

O

F

H

IG

H

W

A

Y

R

IG

H

T

-

O

F

-

W

A

Y

MH1

MH2

CRACK

(OCT, 2009)

SUBDRAIN

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

R

U

C

K

S

T

A

G

IN

G

A

R

E

A

P

A

D

5

0

0

5

0

2

504

5

0

4

5

0

6

5

0

8

5

0

8

5

0

8

5

0

8

5

1

0

5

2

0

5

2

2

5

2

4

504

5

0

6

5

0

8

510

5

1

2

5

1

4

5

1

6

518

5

2

0

5

1

4

5

0

2

5

0

4

506

5

0

8

5

1

0

512

5

1

4

5

1

6

5

1

6

510

512

514

5

1

6

5

1

5

5

1

3

5

1

1

5

0

3

5

0

5

507

5

0

9

5

1

1

5

1

5

5

1

7

5

1

5

5

1

5

5

1

7

5

1

6

5

2

5

5

2

6

5

2

7

5

2

3

5

2

1

5

1

9

5

1

7

5

1

5

5

1

3

5

1

1

5

0

5

5

0

7

5

0

9

5

0

9

5

0

9

5

1

2

513

509

5

0

7

5

0

5

5

0

3

4

9

9

B

E

L

O

W

G

R

O

U

N

D

O

U

T

F

L

O

W

P

IP

E

APPROXIMATE

LIMITS OF WEST

LANDSLIDE

EXISTING

EXISTING

POWER LINE BURIED UNDER

APPROACH BETWEEN POLES 1 AND 2

TELUS FIBER OPTIC LINE

TELUS COPPER LINE

SWALE

SWALE

POLE 1

POLE 2

5

1

4

5

1

5

ESTIMATED LIMIT OF

SEMI-ACTIVE LANDSLIDE

E

D

G

E

O

F

R

IG

H

T

-

O

F

-

W

A

Y

5

0

0

m

m

D

IA

. S

W

S

P

RIPRAP-LINED CHANNEL

TELUS PEDESTAL 17A

TELUS PEDESTAL 17B

L

PN08-1

SI08-2R

PN08-2

SI08-1

SI08-3

PN08-3

SI08-4

(NO MOVEMENT)

PN08-6

SI08-6

PN08-5

SI08-5

PN08-8

SI08-8SI08-9

(0.36m BGS)

(0.09m BGS)

PN08-7 SI08-7

PN08-11

PN08-12

PN08-10

SI08-10

SP08-13

SI08-13

(14.6 mBGS)

(10 mBGS)

(19.5 mBGS)

SI/PN08-22

PH08-14

PH08-9

PH08-4

PH08-3

PH08-2

PH08-1

PH08-15

PH08-20

PH08-19

PH08-17

PN08-4

PH08-12

PH08-13

PH08-11

PH08-10

PH08-7

PH08-8

PH08-5

PH08-6

SP08-9

PH08-18

SI08-12

SI/PN08-17

SI/PN08-18 A/B

PN08-13

(4m)

PH08-16

TH/PN09-2 A/B

TH/PN09-3 A/B

PN09-23B

PN09-10R

(14 mBGS)

SI10-10R

SI10-23

SI08-11

SI 08-14/PN08-14

SI08-15/PN08-15

SI/PN08-16

SI/PN08-20

SI11-12R

VW11-12RA&B

SI12-28/VW12-28A & 28B

SI12-29/VW12-29A & 29B

SI12-25/VW12-25A & 25B

SI12-26/VW12-26

SI12-27/VW12-27A & 27B

SI12-15R/VW12-15RA & 15RB

(15.9 mBGS)

(27 mBGS)

(18m BGS)

(15 mBGS)

(0.55m BGS)

(18.5 mBGS)

T

O

E

B

E

R

M

PN09-1A&1B

TH08-3

TH08-5

TH08-7

TH08-6

TH08-8

TH08-4

TH06-9

(DAMAGED)

RIPRAP LINED

CHANNEL

600mm DIA. SWSP

600mm DIA. SWSP

600mm DIA. CSP

1.2m DIA CSP

DRAINAGE COLLECTION

MANHOLE (MH4)

RIPRAP LINED CHANNEL

GROUTED AND ABANDONED

ACTIVE SLIDE CRACKS

1.2m DIA CSP DRAINAGE

COLLECTION MANHOLE

(MH3)



(NO MOVEMENT)

(NO MOVEMENT)

(NO MOVEMENT)

(NO MOVEMENT)

(NO MOVEMENT)

SI11-24/VW11-24A&B

WEST BERM OUTLINE

M

A

G

N

E

T

IC

N

O

R

T

H

SCALE

DESIGNED BY

DRAWN BY

DATE

APPROVED BY

FILE No.

ML

NFR

DWP

1:2000

15-16-358

NC 70 - HWY 63:10 TRUCK STAGING AREA

SITE PLAN SHOWING EXISTING

INSTRUMENT LOCATIONS

DWG No. 15-16-358-NC70-1

NORTH CENTRAL REGION - ATHABASCA AREA

100 120m806040

SCALE 1:2000

0 20

LEGEND

SLOPE INCLINOMETER (SI)

STANDPIPE PIEZOMETERS

PNEUMATIC PIEZOMETER (PN)

POWER POLE AND OVERHEAD POWER LINE

PO

PH08-13

PN08-1

SI08-1

BURIED LINE HYDROVAC LOCATION / ELEVATION

BURIED TELUS LINE

ABOVE GROUND SHAW CABLE

BUSH LINE

EXISTING SUBDRAIN

SWALE

HIGHWAY CENTERLINE

ASPHALT PATCH

EXISTING CULVERT

EXISTING GROUND

ELEVATION CONTOUR

APPROXIMATE LOCATIONS OF

TELUS PEDESTALS 17A & 17B

NOTES:

1. IN 2012, TELUS INSTALLED A 7m DEEP CABLE BETWEEN PEDESTALS 17A & 17B AND

ABANDONED THE EXISTING BURIED CABLE ONLY BETWEEN THESE LOCATIONS.

2. IN 2012, SHAW INSTALLED A 7m DEEP CABLE IN THE NORTH DITCH, BETWEEN

STATIONS 18+660 AND 19+210, AND ABANDONED THE EXISTING ABOVE GROUND

CABLE FOR A DISTANCE OF ABOUT 550m ALONG THE HIGHWAY ALIGNMENT.

VIBRATING PIEZOMETER (VW)

VW12-1

DAMAGED / SHEARED OFF STANDPIPE OR

SLOPE INCLINOMETER

JUNE 2015

DIRECTION OF MOVEMENT

(18.7 mBGS) DEPTH AT WHICH

INSTRUMENT IS SHEARED OFF/BROKEN

LIMITS OF CLEARED AREA /

TRAIL (APPROX.)

T

NE3 86-9-4

C

R

A

C

K

C

R

A

C

K

C

R

A

C

K

VERTICAL 600mm CSP

OUTLET (No. 2)

EL. 505.23

OUTLET (No. 1)

EL. 514.23

DRAIN CLEANOUT EL. 513.12

P

O

P

O

P

O

P

O

P

O

P

O

(J

U

N

E

3

0

, 2

0

0

8

)

(

A

U

G

5

,

2

0

0

8

)

(A

U

G

5

, 2

0

0

8

)

(

A

U

G

5

,

2

0

0

8

)

(JU

NE

30, 2008)

OUTLET (No. 4)

EL. 513.49

19+000

19+200

19+400

19+600

MH1

MH2

S

S

S

S

S

S

S

S

S

S

S

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

T

R

U

C

K

S

T

A

G

IN

G

A

R

E

A

P

A

D

5

0

0

5

0

2

504

5

2

0

5

2

2

5

2

4

504

5

0

6

5

0

8

510

5

1

2

5

1

4

5

1

6

518

5

2

0

5

2

5

5

2

6

5

2

7

5

2

3

5

2

1

5

1

9

5

1

7

5

1

5

5

1

3

5

1

2

509

5

0

7

5

0

5

5

0

3

4

9

9

B

E

L

O

W

G

R

O

U

N

D

O

U

T

F

L

O

W

P

IP

E

EXISTING

EXISTING

5

0

0

m

m

D

IA

. S

W

S

P

RIPRAP-LINED CHANNEL

PN08-1

SI08-2R

PN08-2

SI08-1

SI08-3

PN08-3

SI08-4

(NO MOVEMENT)

PN08-6

SI08-6

PN08-5

SI08-5

PN08-8

SI08-8SI08-9

(0.36m BGS)

(0.09m BGS)

PN08-7 SI08-7

PN08-11

PN08-12

PN08-10

SI08-10

(14.6 mBGS)

(10 mBGS)

(19.5 mBGS)

SI/PN08-22

PH08-14

PH08-3

PH08-2

PH08-1

PH08-15

PH08-20

PH08-19

PH08-17

PN08-4

PH08-12

PH08-13

SP08-9

PH08-18

SI08-12

SI/PN08-17

SI/PN08-18 A/B

SI/PN08-21

SI/PN08-19

(4m)

PH08-16

TH/PN09-2 A/B

TH/PN09-3 A/B

PN09-10R

(14 mBGS)

SI10-10R

SI08-11

SI08-15/PN08-15

SI/PN08-20

(15.9 mBGS)

(15 mBGS)

(0.55m BGS)

T

O

E

B

E

R

M

PN09-1A&1B

TH08-3

TH08-5

TH08-7

TH08-6

TH08-8

TH08-4

TH06-5

TH06-9

(DAMAGED)

1.2m DIA CSP

DRAINAGE COLLECTION

MANHOLE (MH4)

ACTIVE SLIDE CRACKS

(NO MOVEMENT)

(NO MOVEMENT)

M

A

G

N

E

T

IC

N

O

R

T

H

LEGEND

PH08-13

PN08-1

PO

SI08-1

T

BUSH LINE

S

SWALE

VW12-1

SLOPE INCLINOMETER (SI)

STANDPIPE PIEZOMETERS

PNEUMATIC PIEZOMETER (PN)

POWER POLE AND OVERHEAD POWER LINE

BURIED LINE HYDROVAC LOCATION / ELEVATION

BURIED TELUS LINE

ABOVE GROUND SHAW CABLE

EXISTING SUBDRAIN

APPROXIMATE LOCATIONS OF

TELUS PEDESTALS 17A & 17B

VIBRATING PIEZOMETER (VW)

DAMAGED / SHEARED OFF STANDPIPE OR

SLOPE INCLINOMETER

HIGHWAY CENTERLINE

ASPHALT PATCH

EXISTING CULVERT

EXISTING GROUND

ELEVATION CONTOUR

NOTES:

1. IN 2012, TELUS INSTALLED A 7m DEEP CABLE

BETWEEN PEDESTALS 17A & 17B AND ABANDONED

THE EXISTING BURIED CABLE ONLY BETWEEN THESE

LOCATIONS.

2. IN 2012, SHAW INSTALLED A 7m DEEP CABLE IN THE

NORTH DITCH, BETWEEN STATIONS 18+660 AND

19+210, AND ABANDONED THE EXISTING ABOVE

GROUND CABLE FOR A DISTANCE OF ABOUT 550m

ALONG THE HIGHWAY ALIGNMENT.

SCALE

DESIGNED BY

DRAWN BY

DATE

APPROVED BY

FILE No.

ML

NFR

DWP

1:2000

15-16-358

NC 70 - HWY 63:10 TRUCK STAGING AREA

SITE PLAN SHOWING EXISTING

INSTRUMENT LOCATIONS

DWG No. 15-16-358-NC70-2

NORTH CENTRAL REGION - ATHABASCA AREA

100 120m806040

SCALE 1:2000

0 20

JUNE 2015

LIMITS OF CLEARED AREA / TRAIL

(APPROX.)

DIRECTION OF MOVEMENT

(18.7 mBGS) DEPTH AT WHICH

INSTRUMENT IS SHEARED OFF / BROKEN

ALBERTA TRANSPORTATION NORTH CENTRAL REGION – …...Eleven (11) slope inclinometers (SI08-1,...

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