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Pushing an old BC cave last week

Discussion in 'Cave Diving' started by rjack321, Jul 9, 2019.

  1. wedivebc

    wedivebc CCR Instructor ScubaBoard Supporter

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    How deep did you get? Aaron and I did that in 2008 using megs. I had a bit of trouble on the first corner that goes around that big column (Restriction 2 from the video). I actually got stuck coming out and had to wait for Aaron to pull my legs to get me unstuck. It was a little nerve wracking for sure. We had clear slightly yellow tinged water with surprisingly little flow.
    How was the road getting in? Were you able to right to the cave or did you stop at the river bed?
     
  2. rjack321

    rjack321 Captain

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    Yeah you aren't going to get very far in backmount in Tsulton.

    The 1996 end of line was at 495m pen. and 42m depth. On OC that took 3 summers and I don't know how many dives to get in.

    In basically 2 dives I extended that by about 75m on CCR. The cave goes slightly up to about 39m and ends at a plunge pool like "bowl". Imagine a plunge pool below a waterfall in a stream. Above that is a vertical slot about 20cm x 1.5m wide that was too small for me (or anyone with enough BO on really). I had 2x 130s of 18/45 sidemounted and had dropped an lp72 of O2 and an al40 of EAN 50 on the way in. I had planned on up to a 4 hr dive with the knowledge that I could do 5hrs as a contingency. The goal obviously was to connect this with Treasure cave which is ~450m away. The impassible restriction put an end to that goal. I did end up with just under a 3hr dive, the sidewinder with it's heated scrubbers was really ideal as the scrubber heater serves as a backup for suit heat.

    The road is "ok". The section I filmed with Nat's truck is some of the roughest. That was actually constructed by cavers to connect the newer cutblocks with the older 1980s era cutblock roads. It allows vehicle access to the whole Glory 'ol cave area which the dry cavers have been pushing the past few years. My viceg friends cut the ~350m trail from the road down to Tsulton that you see us carrying bags down.

    We went in June on purpose after hearing that later summer conditions can get tannic. So vis for us was pretty fabulous, basically as far as the next corner in the cave (which is never more than 5-10m ahead)
     
    Dark Wolf and chillyinCanada like this.
  3. rjack321

    rjack321 Captain

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    @nadwidny is in charge of the AB contingent for the August project actually. I'm sure she's invited I just don't know who's actually coming anymore.
     
    chillyinCanada likes this.
  4. chillyinCanada

    chillyinCanada Solo Diver Staff Member

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    He's at Bikini Atoll just now.

    Ah, but you probably know that.
     
  5. rjack321

    rjack321 Captain

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    Ya the slacker. We're hoping the island's not on fire again come August. Fire is more and more an impediment to BC cave diving which is already very seasonal.
     
    chillyinCanada likes this.
  6. wedivebc

    wedivebc CCR Instructor ScubaBoard Supporter

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    It seems to make treasure cave you would have to deco to get in then since there is no easy way to get out by land you would have to surface interval then deco on your way out.
    Very challenging project. Well done.
     
  7. rjack321

    rjack321 Captain

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    Thanks man
    Yes if it had kept going I was anticipating deco on the way in as well as out. Of course if the passage allows, the inbound deco might blow off as you go. It's pretty small for 2x 130s and the sidewinder, I had to take off the AL40 of EAN50 at one point to fit it along with me through a restriction. In the SMS75 with the sidewinder I hang my deco/stage bottles below me like backmount stages and I was too thick with it on me. So pretty slow going. Adding ~450m all the way to Treasure in this small and twisty of a tube would have been a hell of a dive.

    I think it took me about 70mins to get to the end. 10mins of survey time for the shots I took. Then about 60mins to get back to my first stop around 40ft. Total deco was about 40mins. I use 50/70 GFs on my shearwater, as you know this is a really long way from the nearest chamber. I was plenty warm enough between the scrubber heat and my suit heat so definitely no rush.
     
    Jack Hammer and RyanT like this.
  8. nadwidny

    nadwidny Instructor, Scuba

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    Char is coming to the August party.
     
    rjack321 likes this.
  9. rjack321

    rjack321 Captain

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    I'll have beer
     
  10. Graeme Fraser

    Graeme Fraser Tech Instructor

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    Great video. Love the AC/DC soundtrack.
     

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