SAFETY INFORMATION 2250 OPERATOR MANUAL
2-28
Published 06-24-16, Control # 241-01
Barge-Mounted Crane
Definition
A barge-mounted crane is a crane that is anchored or
restrained in a work area of the barge, ship, or floating
platform and is subjected to tipping forces.
Examples
NOTE: The foundation is the deck of the barge, ship, or
floating platform.
• Figure 2-7
illustrates a crawler-mounted crane with the
carbody anchored with tie-downs to the foundation.
• Figure 2-8
illustrates a crawler-mounted crane working
on a timbered area of the barge, ship, or floating
platform with the crawlers restrained by curbing and end
stops. When not working, the crane carbody is anchored
with tie-downs to the foundation. Traveling with load is
not permitted.
• Figure 2-9
illustrates a RINGER
®
(crawler mounted,
carbody mounted) supported on blocking, screw jacks,
or steel pedestals that are braced and fastened to the
foundation in such a manner as to prevent movement.
• A platform mounted RINGER has the ring braced and
fastened directly to the foundation to prevent movement.
Foundation
Carbody
Tie-Downs
FIGURE 2-7
Carbody
Tie-Downs
Required
When Parked
Curbing
FIGURE 2-8
NOTE: Manitowoc Cranes does not permit traveling
with load.
End Stop
Front and
Rear
Foundation
Foundation
Ring Assembly
Ring Support
Bracing
FIGURE 2-9
NOTE: RINGERS must be equipped
with hook rollers on boom
and counterweight carriers.