FIG. 1 is a front perspective view of a first embodiment of a cofferdam module;
FIG. 2 is a left side elevation view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a back elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a front perspective view of a second embodiment of a cofferdam module;
FIG. 8 is a left side elevation view thereof;
FIG. 9 is a right side elevation view thereof;
FIG. 10 is a front elevation view thereof;
FIG. 11 is a back elevation view thereof; and
FIG. 12 is a top plan view thereof.
FIG. 13 is a front perspective view of a third embodiment of a cofferdam module;
FIG. 14 is a left side elevation view thereof;
FIG. 15 is a right side elevation view thereof;
FIG. 16 is a front elevation view thereof;
FIG. 17 is a back elevation view thereof; and,
FIG. 18 is a top plan view thereof.