Photos_0001.pdf

U.S. Department of the Interior Bureau of Reclamation

Bottom Rail Pictures (starting at G-10, ending at G-18)

Figure 4 Lateral view of the bottom runway rail looking eastward near G-10. Rail is weathered but in decent shape

Figure 5 A horizontally misaligned rail joint found on G-10

Figure 6 An example of a rail clip anchor that has poor thread engagement. Found on G-10

Figure 7 A deformed anchor stud found on G-11

Figure 8 Minor missing concrete exposing the underside bolt head. An air gap is seen between the concrete and structural plate. Found of G-11

Figure 9 The underside of this structural plate has begun to deteriorate and chip off. Found on G-11

Figure 10 Backside of the expansion joint at G-11/G-12. Significant missing concrete and moss growing in the void

Figure 11 A loose rail clamp with missing concrete found on G-12

Figure 12 A wider shot of figure 11 showing the length of missing concrete

Figure 13 The expansion joint at G-11/G-12 with a missing rail clamp and anchor to the right

Figure 14 A rail joint with >3/16” gap. Found on G-12

Figure 15 Area there are gaps on both structural plates, and the concrete foundation has cracking along the top layer of grout. Found On G-12

Figure 16 Close-up of an air gap with moss growing inside. Found on G-12

Figure 17 A loose rail clamp. Found on G-12

Figure 18 Close-up of another gap found on G-12

Figure 19 Yet another gap found on G-12

Figure 20 The backside of expansion join G-12/G-13. Missing concrete and moss growth

Figure 21 A horizontally misaligned rail joint found on G-13

Figure 22 An improperly installed rail clamp found on G-13

Figure 23 Air gap found on G-13

Figure 24 The frontside of expansion joint G-13/G-14 with missing concrete and moss growth

Figure 25 A strange bowing-down of the structural plate was found near the expansion joint at G-13/G-14

Figure 26 Moss growing in the undersize of the structural plate, which is flaking off. Found on G-14

Figure 27 A close-up of two air gaps, and cracking on the top concrete grout. Found on G-14

Figure 28 One particular air gap spanned a great distance. A measurement was taken starting at G-13/G-14 expansion joint

Figure 29 The measurement in figure 28 extended out over 9 feet of length.

Figure 30 A missing rail clamp and sheared anchor found on G-14

Figure 31 A rail join measuring >1/4” found on G-14

Figure 32 Missing concrete and cracking at expansion join G-14/G-15

Figure 33 An improperly installed rail clamp found on G-15

Figure 34 A missing rail clamp found on G-15

Figure 35 New concrete formed at G-15/G-16 expansion joint. Repair is mostly cosmetic in nature

Figure 36 moss and flaking at the underside of a structural plate found on G-16

Figure 37 More areas with air gaps found on G-16

Figure 38 Cracking and moss growth at G-16/G-17 expansion joint

Figure 39 A slight horizontal joint misalignment and change in wear track pattern found on G-17

Figure 40 A loose rail clamp found on G-17. There appears to be a nail lodged between the clamp and rail

Figure 41 A crooked rail clamp found on G-17

Figure 42 Missing concrete, cracking, and moss growth found on G-17/G-18 expansion joint

Figure 43 Moss growth inside an air gap found on G-18

Figure 44 Loose nut on a rail clamp found on G-18

Figure 45 Rail joint with a >3/16” gap found on G-18

Top Rail Pictures (starting at G-17, ending at G-10)

Figure 46 Due to ongoing contractor work, the inspection of the top runway rail started midway of G-17.

Figure 47 A Scrape mark on the power house wall located at G-17

Figure 48 Minor moss and organic buildup found of G-17, looking eastward

Figure 49 Heavy moss and organic buildup found on G-17, looking westward

Figure 50 Cracking and a chunk of missing concrete found on expansion joint G-17-G-16

Figure 51 Moss and heavy organic buildup found on G-16, looking eastward

Figure 52 Close-up at the backside of a relatively good structural plate with organic buildup around it. Found on G-16, looking westward

Figure 53 Rail clamp nut torch cut to 3/8” height. Original height is 3/4”. Found on G-16, looking westward

Figure 54 A crooked rail clamp found on G-16

Figure 55 A heavily corroded anchor nut with material chipping off the head found on G-15

Figure 56 The measured gap between the crane structure and powerhouse wall found to be ~1-3/4”

Figure 57 Frontside view of the eastern end truck showcasing the added bulky sweep. Found on G-15

Figure 58 Backside view of the eastern end truck showcasing the bulky sweep. Visible wear is seen on the side of the rail head found on G-15

Figure 59 Visible wear found on the side of the rail head on G-15

Figure 60 The western wheel is off center to the rail head, causing the wear seen in figure 59

Figure 61 Heavy moss growth found on G-15

Figure 62 Rail joint gap measured ~3/16” found on G-15

Figure 63 Damaged anchor nut from torch cutting found on G-15

Figure 64 A lateral view of the runway rail, looking eastward from G-14. This is where we begin to see heavy deterioration on the structural plates, rail clamps, and anchors

Figure 65 A lateral view of the runway rail, looking westward from G-14. Heavy corrosion and organic buildup can be seen

Figure 66 Close-up of the structural plate deterioration found on G-14

Figure 67 Close-up of an anchor nut and rail clamp with material chipping off found on G-14

Figure 68 A side by side comparison of one side of the structural plate with the other, taken at G-14

Figure 69 Another anchor nut with material chipping off found at G-14

Figure 70 Yet another anchor nut with material chipping off found at G-14

Figure 71 A rail joint with missing splices and a 1/4" gap found on G-14

Figure 72 Very heavy organic buildup and deterioration found on G-13

Figure 73 Close-up of the organic buildup shown in figure 74

Figure 74 Anchor nut with material chipping off found on G-13

Figure 75 Another anchor nut with material chipping off found on G-13

Figure 76 Continuation of organic buildup found on G-13

Figure 77 Two anchor nuts side by side with material chipping off found on G-13

Figure 78 Close-up of the right nut from figure 77

Figure 79 A rail joint with missing splices and a 3/16" gap found on G-13

Figure 80 Anchor nut with missing material found on G-12

Figure 81 Organic buildup and deteriorated structural plates found on G-12. Remnants of a leveling tap bolt can be seen on the bottom

Figure 82 Another section of heavy organic buildup and structural plate deterioration found on G-12

Figure 83 Two anchor nut and rail clamps with material chipping off found at G-12

Figure 84 Side view of the right rail clamp from figure 83

Figure 85 A rail joint with a large gap and horizontal misalignment found on G-12

Figure 86 Rail joint seen in figure 85 has a >3/16" gap

Figure 87 Anchor nut with missing material found on G-12

Figure 88 Material chipping off from the structural plates found on G-11

Figure 89 Anchor nut with missing material found on G-11

Figure 90 Anchor nut with material chipping off found on G-11

Figure 91 3 side by side anchors with material chipping off found on G-11

Figure 92 Close-up of the middle anchor nut from figure 91

Figure 93 The anchor and structural plate was wire brushed off to reveal the extent of corrosion damage. Found on G-11

Figure 94 Another area brush off to reveal the underlying corrosion damage. Found on G-11

Figure 95 Yet another area brush off to reveal the underlying corrosion damage. Found on G-11

Figure 96 Anchor nut with material chipping off found on G-11

Figure 97 A small chunk of structural plate came right off on G-11

Figure 98 Continued organic buildup found at G-10. Ground wire is seen with two broken strands

Figure 99 Anchor nut with material chipping off found on G-10

Figure 100 Two side by side anchor nuts with material chipping off found on G-10

Figure 101 Anchor that was torch cut too low with a height of 1/2" found on G-10. Original height is 3/4"

Figure 102 Area was brushed off to revealed underlying corrosion on the structural plates, rail clamps, and anchor nuts

Figure 103 Another area brushed clean to reveal significant material loss on the structural plate on G-10

Figure 104 Anchor nut with material chipping off found on G-10

Figure 105 A crooked rail clamp that was torch cut too low found on G-10

Figure 106 The end of the runway rail at G-10. Beyond the end stop there is a leftover leveling bolt and a couple intact rail clamp anchor studs.