Cassilis Hydro Electric Scheme Slide Presentation August 2006

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Cassilis Hydro Electric Scheme Presentation Notes by John McCutchan from the Engineering Heritage Victoria Guest Speakers Series. August 2006.

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Cassilis Hydro Electric Scheme Slide Presentation August 2006

  1. 1. Cassilis Hydro Scheme Victoria’s Pioneer Hydro-Electric Scheme Operated from 1908 – 1916 Presented by John McCutchan As part of the NOTE : The Slides contained in this file are from the Engineering Heritage Victoria original presentation - with titles added. They are for Speakers’ Program illustrative purposes and not intended to tell the full story August 2006 by themselves. Accompanying audio files will be available in the near future. Copyright may apply to some Email : ehv@engineersaustralia.org.au of the maps and photographs contained herein.
  2. 2. Slide 2 : General Location of Cassilis - in the east of Victoria (Australia)
  3. 3. Slide 3 : Location Map – Cassilis (Eastern Victoria – Australia)
  4. 4. Slide 4 : Cassilis Treatment Works - 1902
  5. 5. Slide 5 : Cassilis Treatment Works – 1903 with Cyanide Tanks added
  6. 6. Slide 6 : Cassilis Treatment Works - 1904
  7. 7. Slide 7 : 1904 – Showing Firewood needed for roasting purposes
  8. 8. Slide 8 : Mine Manager – Francis James Coote
  9. 9. Slide 9 : One of 4 Waterfalls on the Victoria River
  10. 10. Slide 10 : The Victoria River drops a total of 120 metres before joining the Cobungra River
  11. 11. Slide 11 : John Avery Assistant to Mr Coote
  12. 12. Slide 12 : The 1907 Tender Specification (cover page only)
  13. 13. Slide 13 John Avery’s marginal notes on Tender Specification
  14. 14. Slide 14 more Avery marginal notes and sketches
  15. 15. Slide 15 … and more Avery marginal notes & sketches
  16. 16. Slide 16 : Receipt for John Avery’s purchase of “Half-Plate Camera” - 1900
  17. 17. Slide 17 : The 7 Tenders received from around the world
  18. 18. Slide 18 : Extract from the successful tender by Staerker & Fischer
  19. 19. Slide 19 : Part of Bundara-Munjie Parish Plan - showing the location of the Water Race
  20. 20. Slide 20 : excavation of the 5 km water race
  21. 21. Slide 21 : the Water Race in winter
  22. 22. Slide 22 : construction of the Small Pondage at the end of the Water Race
  23. 23. Slide 23 : the completed Pondage
  24. 24. Slide 24 : Pipeline Specification
  25. 25. Slide 25 : the successful Pipeline Tender from Mephan Ferguson - 1907
  26. 26. Slide 26 : lowering a 6m length of riveted pipe down the hill
  27. 27. Slide 27 : the Pipeline was buried after pressure testing
  28. 28. Slide 28 : all plant was conveyed 110 miles from Bairnsdale Railway Station
  29. 29. Slide 29 : some of the route covered rough tracks
  30. 30. Slide 30 : a load arriving at the Power Station site
  31. 31. Slide 31 : the Pelton Wheel & 2.5 tonne flywheel
  32. 32. Slide 32 : erecting the Turbine
  33. 33. Slide 33 : temporary accommodation for the erection team !
  34. 34. Slide 34 : A 1911 Technical Description of the Plant
  35. 35. Slide 35 : The Voith Hydraulic Governor
  36. 36. Slide 36 : the Set achieved a max efficiency rating of about 70%
  37. 37. Slide 37 : the 670 HP (400 kW) Main Set & the 17 HP auxiliary set.
  38. 38. Slide 38 : The Switchboard LH Panel : Tirrell Voltage Regulator Centre : HV circuit breaker overload relays & instruments RH Panel : Controls for the 110 V dc auxiliary set
  39. 39. Slide 39 : the completed Power Station beside the Cobungra River
  40. 40. Slide 40 : The 26 km 12 kV Transmission Line crossed the Great Dividing Range
  41. 41. Slide 41 : Suitable trees on the line were topped to serve as “poles”
  42. 42. Slide 42 : about 490 poles were erected at 45 metre intervals
  43. 43. Slide 43 : poles on Transmission Line
  44. 44. Slide 44 : The Conductors were 4.5mm diameter solid hard-drawn copper
  45. 45. Slide 45 : The Treatment Works after electrification
  46. 46. Slide 46 : Electricity Output figures for the first 16 months
  47. 47. Slide 47 : graph of Electricity Production - shows shortage during 1908/09 summer
  48. 48. Slide 48 : Gold Production Figures for the Mine
  49. 49. Slide 49 : construction of small storage dam in 1916
  50. 50. Slide 50 : but … the tipped clay (wall material) was not properly compacted
  51. 51. Slide 51 : by the time this “description” was published, the dam had washed away!
  52. 52. Slide 52 : Sale of the Mine
  53. 53. Slide 53 : the Final Auction of all of the Plant etc
  54. 54. Slide 54 : a possible (much longer) water race to tap the larger Cobungra River
  55. 55. Slide 55 : Minimum monthly flows in the Cobungra River 1926-35
  56. 56. Slide 56 : Detail - showing that a storage dam would have been needed because of the low summer flows
  57. 57. Slide 57 : Section through the Cassilis Mine showing the 180m deep internal shaft
  58. 58. Slide 58 - Location of : 1. Victoria Falls Historic Area 2. Cassilis Historic Area
  59. 59. Slide 59 : The Water Race was filled in to create the Victoria Falls Road in 1965
  60. 60. Slide 60 : The present Victoria Falls Road turnoff from the Alpine Road
  61. 61. Slide 61 : Picnic Area beside the Victoria River (recent photo)
  62. 62. Slide 62 : Interpretation Notes beside the Victoria River (recent photo).
  63. 63. Slide 63 : The Tourist Road (formerly the Water Race) above the Victoria River (recent photo)
  64. 64. Slide 64 : The Pondage at the end of the Water Race (recent photograph)
  65. 65. Slide 65 : The inlet structure for the old Pipeline (recent photo).
  66. 66. Slide 66 : the tapered entry to the 34 inch pipe (recent photo).
  67. 67. Slide 67 : Remains of the Power Station beside the Cobungra River (recent photo).
  68. 68. Slide 68 : View across the Power Station floor (recent photo).
  69. 69. Slide 69 : The foundations of the Water Turbine (recent photo)
  70. 70. Slide 70 : The concrete cubicles once housed the surge diverters on the Transmission Line
  71. 71. Slide 71 : the completed Power Station in operation
  72. 72. Slide 72 : Recent view from the same photopoint as Slide 71
  73. 73. Slide 73 : this “name” – painted on the concrete – led to meeting the last man to operate the Power Station
  74. 74. Slide 74 : Les Kracke, interviewed in 1979
  75. 75. Slide 75 : The reference written for Les Kracke in 1916
  76. 76. Slide 76 : the reference written for Les Kracke
  77. 77. Slide 77 : An insulator from the telephone line which ran beside the transmission line.
  78. 78. Slide 78 : Another insulator from the telephone line
  79. 79. Slide 79 : The transmission line easement was still shown on the Parish Plan in 1980
  80. 80. Slide 80 : A broken Transmission Line Insulator
  81. 81. Slide 81 : Remains of Sub-station at the Mine Entrance (recent photo)
  82. 82. Slide 82 : The Sub-station at the Treatment Works
  83. 83. Slide 83 : The remnants of the Sub-station in recent times
  84. 84. Slide 84 : the Treatment Works – after electrification. The Sub-station is in the lower right corner.
  85. 85. Slide 85 : Recent view from the same photopoint as Slide 84
  86. 86. Slide 86 : The next home for the plant was at the Magnet Silver Mine, near Waratah (Tasmania).
  87. 87. Slide 87 : Magnet is west of Waratah
  88. 88. Slide 88 : Water was obtained from dams on the Arthur River
  89. 89. Slide 89 : Remains at Magnet in 1981 – Power Station foundations on left – Mill Building on right
  90. 90. Slide 90 : The foundation block for the Water Turbine at Magnet
  91. 91. Slide 91 : The Power Station in front of the Mill at Magnet
  92. 92. Slide 92 : Note the unused lengths of pipe. The Magnet pipeline was shorter than the Cobungra one.
  93. 93. Slide 93 : The 670 HP Set in action at Magnet
  94. 94. Slide 94 : The Magnet Switchboard – note the three panels on the left.
  95. 95. Slide 95 : the 3 Switchboard panels at Cobungra
  96. 96. Slide 96 : Auction Notice for the Magnet Mine (1940)
  97. 97. Slide 97 : The 2 foot gauge Magnet Tramway – on which all of the Magnet plant was removed
  98. 98. Slide 98 : The Magnet Tramway ended at Magnet Junction beside the Emu Bay Railway branch line to Waratah
  99. 99. Slide 99 : Magnet Junction was located beside the one-time airfield
  100. 100. Slide 100 : Some of the pipes from Cobungra would not have been needed at Magnet
  101. 101. Slide 101 : An original 1907 pipe lying at Magnet Junction
  102. 102. Slide 102 : the same pipe ready to be installed in 1908
  103. 103. Slide 103 : Early Hydro-electric Schemes in Victoria
  104. 104. The End Thanks are due to three generations of the Avery Family who looked after many of the documents and photographs used in this presentation – for 100 years. Their generosity in making the material so readily available is acknowledged. This Talk was prepared and delivered by John McCutchan PowerPoint presentation prepared by Don Bartlett Email : ehv@engineersaustralia.org.au

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