Trees ;-
trees can compromise your rating walls like the weight as the grow putting extra presser on the wall. The root systems can also be highly invasive, cracking and even lifting the walls. The roots can also penetrate in the drain system can block and make useless in the cases it is important to look on the factor y retaining the wall
pets;-
using timbered sleeper in the foundation can we susceptible to a pests may damage a durability of the wall. fungal attic are very common problems when using timber sleeper technique. The guard against with these problems make use of best timbers.
Improper drainage ;-
poor quality of pipes and gravel back fill may will up extra hydro static presser on the wall to avoid this problems design the walls basing on the run of drainage
poor soil conditions;- different type of soil conditions may effect the walls structures integrity proper technique defending on the soil using proper materials may led strong durability of the wall.
destabilization’s;-
a disturbed earth may compact the walls over a time it is possible to destabilized the walls with last part of the landscaping technique to handle the weight on the walls and remain consisted .