4.3 Filling Tank
the specified head in the tank standpipe of 3.0 inches, but not, to exceed maximum filled
Note Paragraph 4.3.2.
With vent closed, liquid may be metered into collapsed tank through the filler/discharge
fitting by means of a gravity head or by pumping.
4.4 Draining Tank
Water may be withdrawn partially or completely from the tank with or without the tank vent open,
since the tank collapses concurrently with the withdrawal of the water.
The tank when drained will assume a relatively flat position. However, in order to completely
empty tank in preparation for repacking and storage lift the tank end, by using handles, opposite
the drain fitting, in order to force any lingering water toward and out the drain fitting.
This tank contains a construction for potable (drinking) water and is suitable for dormant storage from 1600F
to minus 300F. The tanks and components shall be suitable