A waterfall coming out of a Waterfall Spillway needs differing amount of boulders based on the height the waterfall is built to.
Quantity of Boulders Used for a Waterfall Spillway Based on the Height of the Waterfall
12" High Waterfall (30 cm high waterfall):
- 0.25 tons of 12-18" boulders
- Equivalent to approximately 0.23 metric tons of 30-45 cm boulders
18" High Waterfall (46 cm high waterfall):
- 0.5 tons of 12-18" boulders
- Equivalent to approximately 0.45 metric tons of 30-45 cm boulders
24" High Waterfall (61 cm high waterfall):
- 1 ton of 18-24" boulders
- Equivalent to approximately 0.91 metric tons of 45-60 cm boulders
30" High Waterfall (76 cm high waterfall):
- 1.5 tons of 18-24" boulders
- Equivalent to approximately 1.36 metric tons of 45-60 cm boulders