A vertical tank must
be located so that its top extends above the maximum flood stage
by at least 30% of it capacity. |
If a horizontal tank
is located in a position that allows more than 70% of the tank's
storage capacity to be submerged at the established flood stage, the
tank must be securely anchored. Tank vents or other openings that
are not liquid-tight must extend above the maximum flood
stage. |
A dependable water
supply shall be available for filling an empty or partially filled
tank if necessary. |