On 08/12/2018 12:59, The Natural Philosopher wrote:
On 08/12/2018 12:46, Roger Hayter wrote:
Bill Wright wrote:

On 08/12/2018 11:52, Andy Burns wrote:
Fredxx wrote:

Perhaps the office boy was questioning your hole being only 6cm deep?

Even if he thought it was four holes @ 60x60x60cm then 1m^3 would have
been overkill ...


A five-fold overkill.

Bill
You forgot there were 3 holes?


no, there were in fact four holes.

A 0.6m x 0.6m x 0.6m gives a volume of 0.216m^3

4 holes = 0.86m^3

A 1m^3 load would be more than sufficient.