MINISTRY OF TRANSPORTATION AND INFRASTRUCTURE … · Highway #1, Slide 5 Area, Berm Extension. RFI Landmark No.: 1865264, RFI Landmark Name: Hell's Gate Tunnel West Side, RFI Offset:

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



1.035

Remove posts #1 and 2 and nets at south fence

0.933


Install two #7 anchors for fence cables – see drawings

Move lock block wall to south end of extended berm





Berm (2008)

0.939



See drawings for berm detailsFile: 4524_Slide_5_Berm_Extension_Photos_Proposed_Work_Jul_30_2018.pptx




Gabion wall on berm (2016)South fence (2010)



Mat Type 7

Mat Type 8

Mat Type 5




Photos #5: View showing proposed work at embankment bermRef# 11621 SCP April 24, 2017

Berm (2008)

South fence (2010) Catch fence on berm (2013)


Repair berm


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



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




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




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




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




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




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




Steel Mat Plates (4)

MINISTRY OF TRANSPORTATION AND INFRASTRUCTURE … · Highway #1, Slide 5 Area, Berm Extension. RFI Landmark No.: 1865264, RFI Landmark Name: Hell's Gate Tunnel West Side, RFI Offset:

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