4
10.
Ensure the concrete is underneath the top
lip of the ground socket.
11.
Re-check that the main tube assembly is
still vertical.
Leave for 24 hours to set concrete
before assembling the hoist tube.
Securing the main tube assembly
8.
Tie a length of rope from each stake to the main
tube assembly to secure it vertically.
Check that
the tube is sitting vertically using a spirit level.
9.
Prepare the pre-mix concrete and backfill the
hole with the concrete mix.
Gently compact
the concrete.
MAIN TUBE
ASSEMBLY
WIND BRAKE
LOWER
SPIRIT LEVEL
1 METRE