Updated : New installation of Septic Tank Bottle and spreader pipes for chalet and spreader pip[es from another chalet. New Build.
All materials supplied. ASAP Original : Installation of 1 septic Tank Bottle and spreader pipes for one dwelling and spreader pipes on another Bottle on another dwelling.
Required to be done as soon as possible
I'm not sure
Current soakaway insufficient for 4 people. Leaking out onto garden. Needs soakaway improvement.