We got a roof on, and the weather begins to act funny
A scene from laying roof on the elevator trench.
Sarah prepared delicious musk-ox for dinner.
What we have done today:
- Drilling. We got a record core length of 2.77 m
- Logging ice cores. Last bag logged: 308, depth 169.40 m.
- All markers for the new skiway are up. Everything is groomed with tiller. Only a faint trace in the snow of the old skiway remains.
- Excavating for elevator and staircase.
- Building up in the CFA laboratory.
- Elevator installed in trench with crane.
- Setting up tables and saws in science trench. Now only a few tables remain to be set up.
- Putting roof on elevator shaft and stairwell and trench. The crew worked until 23.00.
- Rearranging 2nd and 3rd floor in main dome.
Ad.1: This is how the drillers' report looks today:
“Close inspection found that one of the three screws that hold the inner
pump sleeve fast to the outer barrel was missing and presumed to be in the
borehole. It was a good candidate for the troubled runs that closed out
yesterday’s drilling. The magnet was mounted to the drill head to fish it
out. The magnet run surfaced without a screw, but at the same time Nobby
found the small screw in the chips from the final run brought up the
previous night. With a clean borehole the drilling continued with the EPICA
drill. The lower valve was remounted to the pump and the hollow shaft
opened resulting in a return to the good mode of drilling we experienced
before this valve was removed. A modification made to the pump at NGRIP
that closed the hollow shaft to the surrounding environment within the
superbanger had not been installed on the pump installed on the EPICA
drill. The pump/hollow shaft configuration we have now works well with
this drill liquid because any excess chips in the borehole do not
accumulate at the bottom but stay suspended or float to the top of the
liquid column.
Driller’s depth is 158.10 m.”
Ad.9: We have assembled sofas and have made a lounge with sofa group and tables on the 2nd floor. The Field Leader office has been moved to the 3rd floor.
Weather: Clear in the morning, at noon overcast and snow, some clearing in
the evening but still snow, -23°C to -11°C, calm-10 knots from NE, later
turning via S to NW.
Visibility: 500 m to 5 km. Snow.
FL, J.P. Steffensen
← Previous entry | Next entry → |