When I started my stake. Found not found solid rocks to the base supports of the building pit. Need to use sand instead of rocks, which increase the amount of piling a lot.
When you start making piles were found not to be a rock-solid base of stake building. Instead, use sand instead of rock. This makes the need to increase the number of rigs.
When you start piling was not found to be rock solid base pile of buildings. They must use the sand layer instead of rock. The need to increase the number of piles).