(4) Remove caulking groove boards and seal the groove according to figure 10-3.
Figure 10-3. Caulking installed.
Section III. TANK STRAPPING AND CALIBRATION
braces, ladders, steam coils, etc.) and decreases the
capacity of the tank.
"Tank Strapping" is the term commonly applied to the
(2) External deadwood is any object that projects
method of taking and reporting the dimensions of a tank.
outside the tank shell that will increase the capacity of
The installation of a concrete cap over the original
the tank (pipe connections, manholes, cleanout
bottom of the tank proportionately reduces the capacity
of the tank and thereby creates the need for
b. Depth or Tank Height. The vertical distance
remeasurement or strapping. Detailed instructions for
from the top of the stave, shell, or top angle iron to the
gaging. measuring, and sampling are contained in TM
inside surface of the tank is defined as the tank height.
c. Oil Height. The highest point to which the tank
can be filled without overflowing is known as the oil
height. It may be the same as the tank height or it may
be below the top due to connections, overflow lines or
(1) Internal deadwood is any object within the shell
of the tank that displaces fluids (columns.