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66 lines
3.4 KiB
HTML
66 lines
3.4 KiB
HTML
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>CUCC Expedition Handbook: Flood Risk</title>
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<link rel="stylesheet" type="text/css" href=/css/main2.css />
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</head>
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<h2 id="tophead">CUCC Expedition Handbook</h2>
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<h1>Flood Risk</h1>
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<p>The aim of this summary document is to pass on current knowledge, including between one year and the next year's expedition, about pitches that have
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significant flood hazards. The same info should also appear in each cave description, but sometimes they are out of date.</p>
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<p><b>Last updated July 2016</b></p>
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<p>The information is arranged by cave and area</p>
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<h2>Balcony (Balkonhöhle, 265)</h2>
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<dl>
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<dt>Entrance Pitch</dt>
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<dd>The lower two pitches of the entrance series become very wet or fully impassable. This includes the longest (~30m) hang - especially its lower
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part and ledge, and the final 10m pitch. A short period of rain can cause these pitches to become very drippy and unpleasant, but passable. However,
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heavy and/or sustained rainfall produces water spouts both on the main hang, and on the bottom pitch; thereby making the entrance series impassable.
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The response of these pitches to surface rain is quick. It can also take several (or more) hours for the water levels on the pitches to drop.
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Suitable kit for sitting out a flood (bothy bag, stove, food etc) should therefore be installed from start of expedition at the base of the entrance
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pitch.</dd>
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<dt>Darks Arts: final Lleft-hand pitch</dt>
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<dd>The left-hand and deeper (wet) pitch develops a water spout after only moderate rainfall, and responds quickly to surface rainfall.</dd>
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</dl>
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<h2>Tunnocks (Tunnockschacht, 264)</h2>
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<dt>Procrastination</dt>
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<dd>The lower part of Procrastination pitch can become impassable and dangerous after heavy rainfall. In flood, water comes in immediately next to
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final rebelay bolt, which is drippy in normal conditions. Once above that final rebelay, you are out of the water hazard.</dd>
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<dt>From Procrastination to Kraken Camp</dt>
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<dd>This is not very strongly affected during heavy rain, and is passable. But there is some spray across the ropes in a few places.</dd>
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<dt>Ususal Suspects</dt>
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<dd>The original rigging down Usual Suspects (no longer used) can also get very wet. The traverse rig across the top (2016 onwards) gets damp when wet
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but remains passable. Usual Suspects pitch is now bypassed by String Theory pitch.</dd>
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<dt>Champagne on Ice series</dt>
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<dd>The pitch series can become impassable after particularly heavy rainfall, and is usually drippy in a few places.</dd>
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<dt>Clayton's Cockup series<dt>
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<dd>The bottom part of the big (70m) Flash Hard pitch gets very
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drippy, and may become impassable in heavier rain. Best avoided during moderate to heavy rainfall.</dd>
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<h2>Puffball (Bovist und Puderzuckerhoehle, 182)</h2>
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<p>The whole cave after the 2nd pitch takes a (fairly small) streamway which reacts quickly to thunderstorms. all of the pitches get dangerously wet.
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People have come out twice under these conditions, but waiting would be safer.</p>
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<h2>Stellerweg</h2>
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<p>The main streamway below Pete's Purgatory gets very wet and dangerous. You will be washed down the passage. ARGE suffered a floodpulse here in
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2011(?) and only lucky timing (they had not quite set off) avoided an extremely serious situation. Only go below this point is very settled weather.</p>
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</body>
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</html>
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