THE SOIL BELOW AND AROUND THE FOUNDATION SHOULD BE SAND, GRAVEL, OR ROCK(CLASS 1 THROUGH 4 AS DEFINED BY
THE UNIFORM BUILDING CODE). IN CASE A FILL IS NECESSARY, THE SOIL SHOULD BE WELL GRADED AND COMPACTED AND BE
FREE OF DELETERIOUS MATERIAL SUCH AS VEGETATION, METAL, AND TRASH. COMPACTION TO 95 PERCENT OF THE MAXIMUM
DRY UNIT WEIGHT IS RECOMMENDED.