Sand weighs ~100 lbs per cubic ft. 37 tons = 74000 lbs or 740 cubic ft 3 inches of depth gets you 4 sq ft of coverage 740*4 gets you 2960 sq. feet. The city

Sand weighs ~100 lbs per cubic ft. 37 tons = 74000 lbs or 740 cubic ft 3 inches of depth gets you 4 sq ft of coverage 740*4 gets you 2960 sq. feet. The city says the park is 14,000 sq feet. [1] In the video you can see they avoided spreading it in a lot of areas because they didn't have nearly enough! Conclusion: Sand is heavy [1] https://www.san-clemente.org/Home/Components/FacilityDirectory/FacilityDirectory/43/2701 https://www.san-clemente.org/Home/Components/FacilityDirecto...