Certified_Final_Tech_Specs_Volume_2J_-_GBR_Appendix_J.pdf

W911WN-13-R-0002

East Branch Lake East Branch Clarion River Elk County, Pennsylvania Dam Safety Modifications/Cutoff Wall

Certified Final Document Volume 2J – Geotechnical Baseline Report, Appendix J April 2013

Appendix J

Photographs

Photo ID Description Source Drwg# Referenced

I1 Original Core Trench View at Approx. Station 8+56. Foundation Report #1, Dated 13 April 1950 I1 Cutoff Trench Sta 8+56.jpg 038b-U1-10/105, 114, 116

I2 Original Core Trench View at Approx. Station 9+80 Foundation Report #1, Dated 13 April 1950 I2 Cutoff Trench Sta 9+80.jpg 038b-U1-10/105

I3 Original Core Trench View at Approx. Station 9+90 Foundation Report #1, Dated 13 April 1950 I3 Cutoff Trench Sta 9+90.jpg 038b-U1-10/105

I4 Original Core Drain Foundation Report #8, Dated 29 February 1952 I4 Cutoff Trench Near Sta 10+50 FndRep 8.jpg 038b-U1-10/105

I5 Original Core Trench View at Approx Station 12+50 Foundation Report #8, Dated 29 February 1952 I5 CoreTrench Sta 12+50.jpg 038b-U1-10/105

I6 Original Core Trench View at Approx. Station 14+50 Foundation Report #8, Dated 29 February 1952 I6 Core Trench Sta 14+50.jpg 038b-U1-10/105

I7 Boring No. 08-EBD-65L, Sample SC3, Depth Range: 8'-18' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I7 65L_SC3_8-18.JPG 038b-U1-10/105

I8 Intermittent Wet Spot on Downstream Face of Dam Project Files, Taken during 2009 Intermediate Inspection I8 IMG_1885.jpg 038b-U1-10/100, I9 D/S Spring Drain at Sta 9+00 (Approx) Photo No. 251, Foundation Report #8, Dated 29 February 1952 I9 Spring Drain FndRep8.jpg 038b-U1-10/100

I10 Boring No. 08-EBD-69L, Sample SC5A, Depth Range: 38'-43' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I10 69L_SC5A_38-43.jpg 038b-U1-10/105

I11 Boring No. 08-EBD-68L, Sample SC4B, Depth Range: 33'-38' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I11 68L_SC4B_33-38.JPG 038b-U1-10/105

I12 Boring No. 08-EBD-67L, Sample SC1, Depth Range: 0'-8' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I12 67L_SC1_0-8.JPG 038b-U1-10/105

I13 Boring No. 08-EBD-67L, Sample SC17, Depth Range: 146'-158' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I13 67L_SC17_146-158.JPG 038b-U1-10/105

I14 Boring No. 08-EBD-66L, Sample SC1, Depth Range: 0'-8' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I14 66L_SC1_0-8.JPG

038b-U1-10/105, I15 Boring No. 08-EBD-66L, Sample SC17, Depth Range: 138'-148' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I15 66L_SC17_138-148.JPG 038b-U1-10/105

I16 Boring No. 08-EBD-66L, Sample SC18, Depth Range: 148'-158' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I16 66L_SC18_148-158.JPG 038b-U1-10/105

I17 Boring No. 08-EBD-73, Samples R15 and R16.

Depth Range" 123.9'-134.9' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I17 73_R15-R16_123.9-134.9.JPG

038b-U1-10/108, I18 Boring No. 08-EBD-73, Samples R22 and R23, Depth Range: 188.1'-199.1' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I18 73_R22-R23_188.1-199.1.JPG 038b-U1-10/108

I19 Boring No. 08-EBD-73, Samples R23 and R24, Depth Range: 199.1'-210.1' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I19 73_R23-R24_199.1-210.1.JPG 038b-U1-10/108

I20 Boring No. 08-EBD-73, Samples R24 and R25, Depth Range: 210.1'-221.3 D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I20 73_R24-R25_210.1-221.3.JPG 038b-U1-10/108

I21 Boring No. 08-EBD-72, Sample R1, Bottom D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I21 72_R1_B.JPG 038b-U1-10/108

I22 Boring No. 08-EBD-72, Sample R5, Top D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I22 72_R5_T.JPG 038b-U1-10/108

I23 Boring No. 08-EBD-72, Sample R14 and R 15, Depth Range: 117.2'-128.0' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I23 72_R14-R15_117.2-128.0.JPG 038b-U1-10/108

I24 Boring No. 08-EBD-72, Sample R17, Bottom D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I24 72_R17_B.JPG 038b-U1-10/105, I25 Boring No. 08-EBD-72, Sample R18, Bottom D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I25 72_R18_B.JPG 038b-U1-10/105, I26 Boring No. 08-EBD-72, Sample R18, Middle D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I26 72_R18_M.JPG 038b-U1-10/105, I27 Boring No. 08-EBD-71, Sample R4 and R 5, Depth Range: 28.1'-39.6' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I27 71_R4-R5_28.1-39.6.JPG 038b-U1-10/108

I28

Boring No. 08-EBD-70, Sample SC18, Depth Range 168-178'. Very Loose, Wet, Brown Silty Sand between 168' and 172' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I28 70L_SC18_168-178.jpg

I29

Boring No. 08-EBD-70, Sample SC21, Depth Range 198-205'. Artesian Water Encountered at 201' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I29 70L_SC21_198-205.jpg

I30 Boring No. 08-EBD-78A, Samples R7-R9, , Depth Range 171.5-186.5'. 100% Water Loss at 183.5' D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I30 78A_R7-R9_171.5-186.5.jpg

I31

Boring No. 08-EBD-78A, Samples R10-R12, , Depth Range 186.5-201.5'. Oil and Gas Entered Borehole During Lugeon Testing in this Interval D'Appolonia Geotechnical Data Report, Dated 25 August 2009 I31 78A_R10-R12_186.5-201.5.jpg

I32 Drain and Emankment near Sta. 17+50 as viewed from left abutment (Approx Ele 1592) Photo 29513, 31 October 1950

I32 Working surface with drain and filter matl31Oct1950.jpg

I33 Inspection Trench from LA Photo 29106, 24 May 1950 I33 Insp Trench 1950_photos.jpg 038b-U1-10/111

I34 View Looking Upstream at Outlet Works During Construction I34 -- Outlet Works Cut_2.tif I34 -- Outlet Works Cut_2.tif

For Information Only

I35 View Looking Upstream at Right Hillside of the Outlet Works I35 -- Right Abutment.tif I35 -- Right Abutment.tif

For Information Only

I36 Right Abutment Rock Drain Toe I36 -- Rock Drain at Toe.tif I36 -- Rock Drain at Toe.tif For Information Only

I37 D/S Random Fill Placement I37 Downstream Random Fill Placement.tif I37 Downstream Random Fill Placement.tif For Information Only

038-Ub-10/111

Photo ID Description Source Drwg# Referenced

I38 Boring No. E-27, Run 2, Depth Range: 224.5'- 229.5'

Rhea Geotechnical and Phase II Environmental Site Investigation, 2011 (E27 Run 2.jpg) I38 E27 Run 2.JPG

I39 Boring No. E-27, Run 3, Depth Range: 229.5'- 234.5'

Rhea Geotechnical and Phase II Environmental Site Investigation, 2011 (E27 Run 3 (2).jpg) I39 E27 Run 3 (2).JPG

I40 Boring No. E-27, Run 20, Depth Range: 309.5'- 314.5'

Rhea Geotechnical and Phase II Environmental Site Investigation, 2011 (E27 Run 20.jpg) I40 E27 Run 20.JPG

I41 Spillway Monolith No. R32A, Approx. Sta 16+85 Photo No. 541, Foundation Report No. 6, Dated 1 October 1951 I41 FndRep6 Photo541.jpg I42 Spillway Monolith No. P-77, Approx. Sta 16+85 Photo No. 588, Foundation Report No. 6, Dated 1 October 1951 I42 FndRep6 Photo588.jpg

I43 Spillway Monolith No. R34A, Approx. Sta 17+44, Dated 31 July 1951 Photo No. 548, Foundation Report No. 6, Dated 1 October 1951 I43 FndRep6 Photo548.jpg

I44 Spillway Monolith No.P-81, Approx. Sta 17+44, Dated 9 August 1951 Photo No. 569, Foundation Report No. 6, Dated 1 October 1951 I44 FndRep6 Photo569.jpg

I45 Spillway Monolith No. R38A, Approx. Sta 18+60, Dated 1 Nov 1950 Photo No. 301, Foundation Report No. 2, Dated 14 June 1951 I45 FndRep6 Photo301.jpg

I46 Spillway Monolith No. R38A, Approx. Sta 18+60, Dated 1 Nov 1950 Photo No. 302, Foundation Report No. 2, Dated 14 June 1951 I46 FndRep6 Photo 302.jpg

I47

Wet, Loose Sand Intermixed with Moist, Clayey Sand, Boring E-18, Sample 27, Depth Range: 96.6'- 98.6'

Instrumentation Correspondence Binder, Cavity Exploration, Dated October 1981

I47 E-18 S27 96.6-98.6 from EBR InstrCorres- 3.jpg

I48 Grout Filled Cavity, Boring E-18, Sample 21, Depth Range: 77.8'-79.0'

Instrumentation Correspondence Binder, Cavity Exploration, Dated October 1981

I48 E-18 S21 77.8-79.0 from EBR InstrCorres- 3.jpg

I49 Grout Filled Cavity, Boring E-18, Sample 22, Depth Range: 81.2'-81.4'

Instrumentation Correspondence Binder, Cavity Exploration, Dated October 1981

I49 E-18 S22 81.2-81.4 from EBR InstrCorres- 3.jpg

I50 D'Appolonia Geotechnical Data Report, Dated 25 August 2009 (E26_SC08B_71-76.jpg) I50 E26_SC08B_71-76.JPG

I51

Gray Rock Fragements with Wet, Washed out Fines, Boring E-26, Sample 10, Depth Range: 81.0'- 86.0'

D'Appolonia Geotechnical Data Report, Dated 25 August 2009 (E26_SC10_81-86.jpg) I51 E26_SC10_81-86.JPG

I52 Dark Black and Gray Grout, Boring E-16, Sample 11, Depth Range: 86.0'-91.0'

D'Appolonia Geotechnical Data Report, Dated 25 August 2009 (E26_SC11_86-91.jpg) I52 E26_SC11_86-91.JPG

I53 Wet, Less Clayey Sands, Boring E-14, Sample 12, Depth Range: 101.0-'103.0'

Instrumentation Correspondence Binder, Cavity Exploration, Dated September-October 1981

I53 E-14 S12 101-103 from EBR InstrCorres- 3.jpg

I54 Hard, Moist, Light Gray Grout from 76.0'-76.5', Boring E-24, Sample 9, Depth Range: 76.0'-79.0'

D'Appolonia Geotechnical Data Report, Dated 25 August 2009 (E24_SC09_76-79.jpg) I54 E24_SC09_76-79.JPG

I55 Grouted Void Detected frp, El. 1628.0-1620.4, Boring E-24, Sample 10, Depth Range: 79.0'-81.0'

D'Appolonia Geotechnical Data Report, Dated 25 August 2009 (E24_SC10A_79-81.jpg) I55 E24_SC10A_79-81.JPG

I56 Grouted Void Detected frp, El. 1628.0-1620.4, Boring E-24, Sample 10, Depth Range: 81.0'-86.0'

D'Appolonia Geotechnical Data Report, Dated 25 August 2009 (E24_SC10B_81-86.jpg) I56 E24_SC10B_81-86.JPG

I57

Wet, Loose Grayish-Brown Rock Fragments with Traces of Silt, Boring E-24, Sample 11. Depth Range: 86.0-96.0'

D'Appolonia Geotechnical Data Report, Dated 25 August 2009 (E24_SC11_86-96.jpg) I57 E24_SC11_86-96.JPG

I58 Very Soft, Wet Silt, Boring E-24, Sample 12, Depth Range: 96.0'-102.5'

D'Appolonia Geotechnical Data Report, Dated 25 August 2009 (E24_SC12_96-102.6.jpg) I58 E24_SC12_96-102.6.JPG

I59

Spring Observed During Construction.

Approximate location at Sta. 8+75 to 9+00, Ele.

1570. 0.25 gpm Discharge Photo No. 251, Foundation Report #8, Dated 29 February 1952

I59 boil 1990Jan19 from EBR InstrCorres- 6.jpg

038b-U1-10/100, I60

Sinkhole, Downstream Left Abutment, Sta. 17+00, prior to being filled in with gravel by project personnel 7th Periodic Insepection Report, Photo 7, Dated May 1997

I60 Sinkhole 17+00 Photo7 1997PI Report.jpg

038b-U1-10/100, 102, 111

I61 Sinkhole, Downstream Left Abutment, Sta. 17+00, as monitored by project personnel 7th Periodic Insepection Report, Photo 8, Dated May 1997

I61 Sinkhole 17+00 Photo8 1997PI Report.jpg

038b-U1-10/100, 102, 111

I 62 Broken, Stained Sandstone, 10-EBD-I2, Depth Range:

D'Applonia Geotechnical Data Report, Dated 17 December 2010, Appendix B, p. 3

I62 10-EBD-I2 122-132 2010Instr Install Report.JPG

I63 Very Broken, Soft, Weathered Sandstone, 08-EBD- 65, Sample 15, Depth Range: 81.0'-86.0'

D'Appolonia Geotechnical Data Report, Dated 25 August 2009 (65L_SC15_81-86.jpg) I63 65L_SC15_81-86.JPG

I64 Foundation Conditions with Original Stream Channel from Right Abutment Dam Axis Photo 28278, 5 October 1949

I64 Fnd Conditions with Orig Stream Channel 1949_photos.jpg 038b-U1-10/101

I65 View of Left Abutment Foundation Conditions, with Boulders Visible Photo 28153, 23 August 1949

I65 Original GS with Boulders 1949_photos LA.jpg

For Information Only

I66 View of Foundation Conditions toward Right Abutment, with Boulders Visible Photo 28390, 3 November 1949

I66 Original GS with Boulders 1949_photos RA.jpg 038b-U1-10/101

I67 View of Right Abutment Foundation Conditions, with Boulders Visible Photo 28156, 28 August 1949

I67 Original GS with Boulders 1949_photos RA 2.jpg

For Information Only

I68 Bedrock Conditions at Service Bridge Abutment Photo 27855, 26 May 1949 I68 Rock Conditions 1949_photos.jpg For Information Only

I69 Embankment Working Surface Photo 29374, 31 August 1950 I69 Working Surface 1950_photos.jpg For Information Only

I70 Embankment Working Surface with Rock Drain and Sand Filters Photo 29513, 31 October 1950

I70 Working Surface and Drain 1950_photos.jpg

For Information Only

I71 View of Spillway Excavation Photo 30129, 31 October 1950 I71 Spillway Excavation 1951_photos.jpg For Information Only

I72 Water seen flowing into boring E-39 at El. 1594.4 Geotechnical Data Report, Dated May 2012 I72 E-39 Image 038b-U1-10/105

I73 Clearing for intake area - looking downstream Photo 24389, 24 June 1947 For Information Only

I74 Looking toward left bank from intake control tower bridge Photo 29096, 24 May 1950

For Information Only

038b-U1-10/114

038b-U1-10/112

038b-U1-10/105 &

038b-U1-10/115

038b-U1-10/114, 038b-U1-10/114

I1. Original Core Trench, View at Approximately Station 8+56.

I2. Original Core Trench, View at Approximately Station 9+80.

I3. Original Core Trench View at Approx. Station 9+90

I4. Original Core Drain

I5. Original Core Trench View at Approx Station 12+50

I6. Original Core Trench View at Approx. Station 14+50

I7. Boring No. 08-EBD-65L, Sample SC3, Depth Range: 8'-18'

I8. Intermittent Wet Spot on Downstream Face of Dam

I9. D/S Spring Drain at Sta 9+00 (Approx)

I10. Boring No. 08-EBD-69L, Sample SC5A, Depth Range: 38'-43'

I11. Boring No. 08-EBD-68L, Sample SC4B, Depth Range: 33'-38'

I12. Boring No. 08-EBD-67L, Sample SC1, Depth Range: 0'-8'

I13. Boring No. 08-EBD-67L, Sample SC17, Depth Range: 146'-158'

I14. Boring No. 08-EBD-66L, Sample SC1, Depth Range: 0'-8'

I15. Boring No. 08-EBD-66L, Sample SC17, Depth Range: 138'-148'

I16. Boring No. 08-EBD-66L, Sample SC18, Depth Range: 148'-158'

I17. Boring No. 08-EBD-73, Samples R15 and R16. Depth Range" 123.9'-134.9'

I18. Boring No. 08-EBD-73, Samples R22 and R23, Depth Range: 188.1'-199.1'

I19. Boring No. 08-EBD-73, Samples R23 and R24, Depth Range: 199.1'-210.1'

I20. Boring No. 08-EBD-73, Samples R24 and R25, Depth Range: 210.1'-221.3

I21. Boring No. 08-EBD-72, Sample R1, Bottom

I22. Boring No. 08-EBD-72, Sample R5, Top

I23. Boring No. 08-EBD-72, Sample R14 and R 15, Depth Range: 117.2'-128.0'

I24. Boring No. 08-EBD-72, Sample R17, Bottom

I25. Boring No. 08-EBD-72, Sample R18, Bottom

I26. Boring No. 08-EBD-72, Sample R18, Middle

I27. Boring No. 08-EBD-71, Sample R4 and R 5, Depth Range: 28.1'-39.6'

I28. Boring No. 08-EBD-70, Sample SC18, Depth Range 168-178'. Very Loose, Wet, Brown Silty Sand between 168' and 172'

I29. Boring No. 08-EBD-70, Sample SC21, Depth Range 198-205'. Artesian Water Encountered at 201'

I30. Boring No. 08-EBD-78A, Samples R7-R9, , Depth Range 171.5-186.5'. 100% Water Loss at 183.5'

I31. Boring No. 08-EBD-78A, Samples R10-R12, , Depth Range 186.5-201.5'. Oil and Gas Entered Borehole During Lugeon Testing in this Interval

I32. Drain and Embankment near Sta. 17+50 as viewed from left abutment (Approx Ele 1592)

I33. Inspection Trench from LA

I34. Outlet Works Cut 2

I35. Right Abutment

I36. Rock Drain at Toe

I37. Downstream Random Fill Placement

I38. Boring No. E-27, Run 2, Depth Range: 224.5'-229.5'

I39. Boring No. E-27, Run 3, Depth Range: 229.5'-234.5'

I40. Boring No. E-27, Run 20, Depth Range: 309.5'-314.5'

I41. Spillway Monolith No. R32A, Approx. Sta 16+85

I42. Spillway Monolith No. P-77, Approx. Sta 16+85

I43. Spillway Monolith No. R34A, Approx. Sta 17+44, Dated 31 July 1951

I44. Spillway Monolith No.P-81, Approx. Sta 17+44, Dated 9 August 1951

I45. Spillway Monolith No. R38A, Approx. Sta 18+60, Dated 1 Nov 1950

I46. Spillway Monolith No. R38A, Approx. Sta 18+60, Dated 1 Nov 1950

I47. Wet, Loose Sand Intermixed with Moist, Clayey Sand, Boring E-18, Sample 27, Depth Range: 96.6'- 98.6'

I48. Grout Filled Cavity, Boring E-18, Sample 21, Depth Range: 77.8'-79.0'

I49. Grout Filled Cavity, Boring E-18, Sample 22, Depth Range: 81.2'-81.4'

I50.

I51. Gray Rock Fragments with Wet, Washed out Fines, Boring E-26, Sample 10, Depth Range: 81.0'- 86.0'

I52. Dark Black and Gray Grout, Boring E-16, Sample 11, Depth Range: 86.0'-91.0'

I53. Wet, Less Clayey Sands, Boring E-14, Sample 12, Depth Range: 101.0-'103.0'

I54. Hard, Moist, Light Gray Grout from 76.0'-76.5', Boring E-24, Sample 9, Depth Range: 76.0'-79.0'

I55. Grouted Void Detected frp, El. 1628.0-1620.4, Boring E-24, Sample 10, Depth Range: 79.0'-81.0'

I56. Grouted Void Detected frp, El. 1628.0-1620.4, Boring E-24, Sample 10, Depth Range: 81.0'-86.0'

I57. Wet, Loose Grayish-Brown Rock Fragments with Traces of Silt, Boring E-24, Sample 11. Depth Range: 86.0-96.0'

I58. Very Soft, Wet Silt, Boring E-24, Sample 12, Depth Range: 96.0'-102.5'

I59. Spring Observed During Construction. Approximate location at Sta. 8+75 to 9+00, Ele. 1570.

0.25 gpm Discharge

I60. Sinkhole, Downstream Left Abutment, Sta. 17+00, prior to being filled in with gravel by project personnel

I61. Sinkhole, Downstream Left Abutment, Sta. 17+00, as monitored by project personnel

I62. Broken, Stained Sandstone, 10-EBD-I2, Depth Range:

I63. Very Broken, Soft, Weathered Sandstone, 08-EBD-65, Sample 15, Depth Range: 81.0'-86.0'

I64. Foundation Conditions with Original Stream Channel from Right Abutment Dam Axis

I65. View of Left Abutment Foundation Conditions, with Boulders Visible

I66. View of Foundation Conditions toward Right Abutment, with Boulders Visible

I67. View of Right Abutment Foundation Conditions, with Boulders Visible

I68. Bedrock Conditions at Service Bridge Abutment

I69. Embankment Working Surface

I70. Embankment Working Surface with Rock Drain and Sand Filters

I71. View of Spillway Excavation

I‐72. Flowing water audible in boring E‐39 after drill rods were removed. Water seen flowing out of rock at approx 130 ft (El. 1594.4), falling approx 20 ft to 150 ft depth (El. 1577.1).

I-73. Right Abutment Prior to Clearing (Note large boulders on Ground Surface)

I-74. Left Abutment Prior to Embankment Placement (Note clearing of boulders)

Appendix J - Photographs