A granular leveling course of not less than two inches in depth and made of stone, gravel, limestone screening or other non-settling material approved by the Building Commissioner shall be installed as a base. Excavations or trenches under a drive shall be compacted or filled with a non-settling material and tamped. The subgrade or base shall be dampened if dry before pouring.
(Ord. 2006-12. Passed 4-10-06.)