3“- 4” LEVEL SAND OR EQUIVALENT IN STABLE SOILS 12” GREATER THAN DIAMETER WITH A COVERING (EG. GRAVEL) ON EXPOSED SAND TO PREVENT EROSION BY WIND OR RAIN.

REINFORCED LEVEL CONCRETE SLAB DIAMETER GREATER THAN TANK.

EARTH RING OF CONCRETE, BRICK OR IRON CONSTRUCTION A MINIMUM OF 100MM GREATER THAN DIAMETER OF TANK. FILL IS TO BE CONSOLIDATED WITH 3“- 4” OF SAND ON TOP SURFACE.

TANK STAND WITH HARDWOOD DECKING WITH GAPS NO GREATER THAN 2“. NO DEFLECTION OF DECKING WHEN TANK IS FULL.

NOTE :- 25 YEAR PRO-RATA WARRANTY VOID IF THE TANK PLACEMENT OR PLUMBING IS NOT INSTALLED AS SPECIFIED.

WHEN PIPE WORK IS EXPOSED OR OVER A LONG DISTANCE INSERT A LENGTH OF FLEXIBLE PIPE TO ABSORB SHOCKS AND MOVEMENTS.

TAKE PIPE DIRECTLY INTO GROUND TO AVOID RUNNING OVER PIPE AND DAMAGING FITTING AND/OR TANK.

TANK OVERFLOW MUST BE PIPED AWAY FROM TANK TO AVOID UNDERMINING TANK BASE.

UNSUPPORTED PIPE WORK PUTS EXCESSIVE STRAIN ON FITTING AND TANK WALL.

NOTE :- 25 YEAR PRO-RATA WARRANTY VOID IF THE TANK PLACEMENT OR PLUMBING IS NOT INSTALLED AS SPECIFIED.