When positioning using 2 and 4 pipe clamps or tri-pipes,
two 14 mm diameter boreholes will be made with a distance
between their centres of 114 mm and 222 mm, depending
on whether we are using 2 or 4 tube clamps, and with
a depth in both cases of 62 mm.
Once the pipes are in place, position the clamp over
the said holes and bang on each end until the total
depth is reached.
It is important to check that the attachment holes have
been made with sufficient precision.
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