MINISTRY OF TRANSPORTATION AND INFRASTRUCTURE ROCKWORK ENGINEERING
July 2019
SITE REFERENCE INFORMATION
Project 86002-4524
Slide 5 Berm Repair and Extension, Hwy 1
Information provided in the site reference material is intended to be used by the Ministry of Transportation and Infrastructure in conjunction with other data relevant to the site. Although reasonable care has been exercised in collecting and assembling the site reference photographs and other data, the Ministry does not warrant the information for accuracy or reliability. The conditions shown are representative of the locations at the time the photos were taken, and other data collected. These conditions are subject to change with time. Any interpretation placed on this information by the Contractor will be at the Contractor’s own risk.
Disclaimer4524
Photos #1: Overall view showing proposed work at embankment bermRef# 11805 SCP April 10, 2018
Remove catch fence post #2 for access
File: 4524_Slide_5_Berm_Extension_Photos_Proposed_Work_Jul_30_2018.pptx
Ministry of Transportation and Infrastructure, Rockwork Engineering File: 33300-30/4524.10Photographs Showing Proposed Work, Project No. 86002-4524
Page 1 of 9Highway #1, Slide 5 Area, Berm ExtensionRFI Landmark No.: 1865264, RFI Landmark Name: Hell's Gate Tunnel West Side, RFI Offset: 0.933 to 1.035 kmLKI Segment: 0905, LKI Segment Name: Hope to Lytton, LKI km: 53.4 to 53.6
Berm (2008)South fence (2010)
Catch fence on berm (2013)
0.939
To Hope
Extend berm 6 m south
To Boston Bar
North fence (2009)
Repair berm as required
1.035
Gabion wall on berm (2016)
See drawings for berm details
Remove steel cap #4 and repair back of berm
Cap #1
Disassemble catch fence for access as required
Temporary repairs done in 2017
Webcam (2018)
0.933 0.893
Photo #2: View showing proposed work at embankment bermRef# 11848 SCP June 19, 2018
Berm (2008) South fence (2010)
Catch fence on berm (2013)
0.939
To Hope
Extend berm 6 m south
Repair berm as required
1.035
Remove posts #1 and 2 and nets at south fence
0.933
See drawings for berm details
Install two #7 anchors for fence cables – see drawings
Move lock block wall to south end of extended berm
File: 4524_Slide_5_Berm_Extension_Photos_Proposed_Work_Jul_30_2018.pptx
Ministry of Transportation and Infrastructure, Rockwork Engineering File: 33300-30/4524.10Photographs Showing Proposed Work, Project No. 86002-4524
Page 2 of 9Highway #1, Slide 5 Area, Berm ExtensionRFI Landmark No.: 1865264, RFI Landmark Name: Hell's Gate Tunnel West Side, RFI Offset: 0.933 to 1.035 kmLKI Segment: 0905, LKI Segment Name: Hope to Lytton, LKI km: 53.4 to 53.6
Photo #3: View showing proposed work at embankment bermRef# 11848 SCP June 19, 2018
Berm (2008)
0.939
Extend berm 6 m south
Repair berm as required
See drawings for berm detailsFile: 4524_Slide_5_Berm_Extension_Photos_Proposed_Work_Jul_30_2018.pptx
Ministry of Transportation and Infrastructure, Rockwork Engineering File: 33300-30/4524.10Photographs Showing Proposed Work, Project No. 86002-4524
Page 3 of 9Highway #1, Slide 5 Area, Berm ExtensionRFI Landmark No.: 1865264, RFI Landmark Name: Hell's Gate Tunnel West Side, RFI Offset: 0.933 to 1.035 kmLKI Segment: 0905, LKI Segment Name: Hope to Lytton, LKI km: 53.4 to 53.6
Photo #4: View showing proposed work at embankment bermRef# 11848 SCP June 19, 2018
Gabion wall on berm (2016)South fence (2010)
Repair berm as required
See drawings for berm details
Mat Type 7
Mat Type 8
Mat Type 5
File: 4524_Slide_5_Berm_Extension_Photos_Proposed_Work_Jul_30_2018.pptx
Ministry of Transportation and Infrastructure, Rockwork Engineering File: 33300-30/4524.10Photographs Showing Proposed Work, Project No. 86002-4524
Page 4 of 9Highway #1, Slide 5 Area, Berm ExtensionRFI Landmark No.: 1865264, RFI Landmark Name: Hell's Gate Tunnel West Side, RFI Offset: 0.933 to 1.035 kmLKI Segment: 0905, LKI Segment Name: Hope to Lytton, LKI km: 53.4 to 53.6
Photos #5: View showing proposed work at embankment bermRef# 11621 SCP April 24, 2017
Berm (2008)
South fence (2010) Catch fence on berm (2013)
Extend berm 6 m south
Repair berm
See drawings for berm details
Remove catch fence post #2 for access to cap #4
Remove steel cap #4 and repair cap and berm
Cap #1
Disassemble catch fence for access as required
Re-install steel cap and catch fence after repairs
Mat Type 1
Mat Type 2Mat Type 4Mat Type 3
Mat Type 5
Mat Type 6
Mat Type 8
Mat Type 7
Place mat Types 9 and 10 on berm extensionFile: 4524_Slide_5_Berm_Extension_Photos_Proposed_Work_Jul_30_2018.pptx
Ministry of Transportation and Infrastructure, Rockwork Engineering File: 33300-30/4524.10Photographs Showing Proposed Work, Project No. 86002-4524
Page 5 of 9Highway #1, Slide 5 Area, Berm ExtensionRFI Landmark No.: 1865264, RFI Landmark Name: Hell's Gate Tunnel West Side, RFI Offset: 0.933 to 1.035 kmLKI Segment: 0905, LKI Segment Name: Hope to Lytton, LKI km: 53.4 to 53.6
Remove rocks on berm from March 2018 rock fall (not shown)
Debris in catchment as shown on this image was cleaned out in August 2017
Deposits from 2018 (not shown) cleaned in September 2018 (see photos #8 and 9)
Photo #6: View showing damage to berm at cap #4 from February 11, 2015 rock fall impactRef# 11555 SCP December 22, 2016
Remove catch fence post #2 for access
Remove steel cap #4 and repair cap and berm
Remove slack in tieback cable by cutting anchor bar
Re-install cap and catch fence after repairs
Fill with gabion stones 100 to 200 mm size
Install gabion mesh as required
File: 4524_Slide_5_Berm_Extension_Photos_Proposed_Work_Jul_30_2018.pptx
Ministry of Transportation and Infrastructure, Rockwork Engineering File: 33300-30/4524.10Photographs Showing Proposed Work, Project No. 86002-4524
Page 6 of 9Highway #1, Slide 5 Area, Berm ExtensionRFI Landmark No.: 1865264, RFI Landmark Name: Hell's Gate Tunnel West Side, RFI Offset: 0.933 to 1.035 kmLKI Segment: 0905, LKI Segment Name: Hope to Lytton, LKI km: 53.4 to 53.6
Mat Type 1 temporarily removed
Photo #7: View showing damage to berm at cap #4 from February 11, 2015 rock fall impact (rubber tire mat Type 2 not visible)Ref# 11110 SCP March 10, 2015
Remove catch fence post #2 for accessRemove steel cap #4 and repair cap and repair berm
File: 4524_Slide_5_Berm_Extension_Photos_Proposed_Work_Jul_30_2018.pptx
Ministry of Transportation and Infrastructure, Rockwork Engineering File: 33300-30/4524.10Photographs Showing Proposed Work, Project No. 86002-4524
Page 7 of 9Highway #1, Slide 5 Area, Berm ExtensionRFI Landmark No.: 1865264, RFI Landmark Name: Hell's Gate Tunnel West Side, RFI Offset: 0.933 to 1.035 kmLKI Segment: 0905, LKI Segment Name: Hope to Lytton, LKI km: 53.4 to 53.6
See drawings for cap and berm repair details
Rock impact areaDo not repair cap #5 (minor damage)
Mat Type 4
1.8 mCap #4 -- 2.4 m
File: 4524_Slide_5_Berm_Extension_Photos_Proposed_Work_Jul_30_2018.pptx
Ministry of Transportation and Infrastructure, Rockwork Engineering File: 33300-30/4524.10Photographs Showing Proposed Work, Project No. 86002-4524
Page 8 of 9Highway #1, Slide 5 Area, Berm ExtensionRFI Landmark No.: 1865264, RFI Landmark Name: Hell's Gate Tunnel West Side, RFI Offset: 0.933 to 1.035 kmLKI Segment: 0905, LKI Segment Name: Hope to Lytton, LKI km: 53.4 to 53.6
Photo #8: More recent aerial view showing debris in catchment behind berm since cleanout in September 2018Ref# 12081 SCP June 11, 2019
Boulder armor (2017) Rockfall debris
Photo #9: More recent aerial view showing debris in catchment behind berm since cleanout in September 2018Ref# 12081 SCP June 11, 2019
File: 4524_Slide_5_Berm_Extension_Photos_Proposed_Work_Jul_30_2018.pptx
Ministry of Transportation and Infrastructure, Rockwork Engineering File: 33300-30/4524.10Photographs Showing Proposed Work, Project No. 86002-4524
Page 9 of 9Highway #1, Slide 5 Area, Berm ExtensionRFI Landmark No.: 1865264, RFI Landmark Name: Hell's Gate Tunnel West Side, RFI Offset: 0.933 to 1.035 kmLKI Segment: 0905, LKI Segment Name: Hope to Lytton, LKI km: 53.4 to 53.6
Boulder armor (2017) Rockfall debris
Boulders to be removed
MATERIALS STORED AT ALEXANDRA PIT AND ANNACIS YARD
Photos #1: Overall view showing materials Alexandra PitRef# 12048 SCP April 4, 2016
File: 4524_Slide_5_Photos_Ministry_Supplied_Materials_Jun_27_2019
Ministry of Transportation and Infrastructure, Rockwork Engineering File: 33300-30/4524.10Photographs Showing Ministry Supplied Materials, Project No. 86002-4524
Page 1 of 3Highway #1, Slide 5 Area, Berm Extension – MaterialsRFI Landmark No.: 1865264, RFI Landmark Name: Hell's Gate Tunnel West Side, RFI Offset: 0.933 to 1.035 kmLKI Segment: 0905, LKI Segment Name: Hope to Lytton, LKI km: 53.4 to 53.6
Gabion Stones (~500 m3)
Bridge End Fill Material
50mm Gravel Fill (~20 m3)
Looking South
Pit Entrance
Photo #2: Overall view showing materials MoTI Annacis Yard, Delta BCRef# 12074 MLD May 31, 2019
File: 4524_Slide_5_Photos_Ministry_Supplied_Materials_Jun_27_2019
Ministry of Transportation and Infrastructure, Rockwork Engineering File: 33300-30/4524.10Photographs Showing Ministry Supplied Materials, Project No. 86002-4524
Page 2 of 3Highway #1, Slide 5 Area, Berm Extension – MaterialsRFI Landmark No.: 1865264, RFI Landmark Name: Hell's Gate Tunnel West Side, RFI Offset: 0.933 to 1.035 kmLKI Segment: 0905, LKI Segment Name: Hope to Lytton, LKI km: 53.4 to 53.6
Type 9 Rubber Tire Mats (2)Gabion Baskets and Gabion Mesh
Steel Mat Plates (4)
Photo #3: Steel Mat Plates (4) at MoTI Annacis Yard, Delta BCRef# 12074 MLD May 31, 2019
File: 4524_Slide_5_Photos_Ministry_Supplied_Materials_Jun_27_2019
Ministry of Transportation and Infrastructure, Rockwork Engineering File: 33300-30/4524.10Photographs Showing Ministry Supplied Materials, Project No. 86002-4524
Page 3 of 3Highway #1, Slide 5 Area, Berm Extension – MaterialsRFI Landmark No.: 1865264, RFI Landmark Name: Hell's Gate Tunnel West Side, RFI Offset: 0.933 to 1.035 kmLKI Segment: 0905, LKI Segment Name: Hope to Lytton, LKI km: 53.4 to 53.6
Steel Mat Plates (4)
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