northspur

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THE MAJOR NORTH SPUR LANDSLIDE of 1978 Note the steep scalloped contour lines; Major slide of 1978 in red – lesser ones date from 1980 and 1981 Edge of slides as mapped by Hydro 16
General Overview of Muskrat Falls in 1951 showing unstable ground at Muskrat Falls Lack of regrowth indicates major slide not long before 1951 ? 17
Page 1 and 2: The North Spur Quick Clay Instabili
Page 3 and 4: NOTE ON SOURCES The following prese
Page 5 and 6: Overhead view of North Spur showing
Page 7 and 8: What is the North Spur ? The North
Page 9 and 10: • The previous slide shows on the
Page 11 and 12: Overhead view of North Spur showing
Page 13 and 14: Nalcor Depiction of the Muskrat Fal
Page 15: In February 1978, a large landslide
Page 19 and 20: 1988 - 10 years after the 1978 Nort
Page 21 and 22: View in 2007 showing line of pumpin
Page 23 and 24: The SNC - AGRA Final Muskrat Falls
Page 25 and 26: Unfortunately the critical Jacques
Page 27 and 28: 1979 Hydro Contour map of the North
Page 29 and 30: GLACIO-MARINE CLAY: Source of the N
Page 32 and 33: North Spur Soil Conditions As can b
Page 34 and 35: Borehole Results on the North Spur
Page 36 and 37: SNC- AGRA’s 1999 North Spur Plan:
Page 38 and 39: The North Spur Stabilization Plan i
Page 40 and 41: Clay on the downstream side of the
Page 42 and 43: “Quick Clay” conditions caused
Page 44 and 45: Nalcor’s Bank Stability Study of
Page 46 and 47: NRCan ‘s concerns came under four
Page 48 and 49: The Joint Review Panel (JRP) also a
Page 50 and 51: The 2008 SNC report filed by Nalcor
Page 52 and 53: The filling of the Muskrat Reservoi
Page 54 and 55: In February 2010, a major landslide
Page 56 and 57: View of February 2010 landslide are
Page 58 and 59: In August, 2010, Nalcor Energy, res
Page 60 and 61: On August 30, 2010, the JRP asked N
Page 62: The Norwegian Geotechnical Institut
Page 70 and 71:
On March 9, 2011, the Joint Panel s
Page 72 and 73:
Nalcor North Spur Technical Note On
Page 74 and 75:
The Nalcor North Spur Technical Not
Page 76 and 77:
Nalcor’s “Technical Note” sta
Page 78 and 79:
On December 17, 2012 Nalcor sanctio
Page 80 and 81:
SNC Lavalin seeks Package Leader -
Page 82 and 83:
What is Nalcor/SNC Lavalin’s Nort
Page 84 and 85:
How the 2013 North Spur Geotechnica
Page 86 and 87:
And there may be an additional, and
Page 88 and 89:
Google Earth image of area upslope
Page 90 and 91:
NRCan slide on liquefaction 90
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northspur

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