RECOVERY OF RIBBON BRIDGE BAY (PUSHER TECHNIQUE)

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Assistant boat operators

TM-5-1940-277-10 Boat Bridge Erection Twin Jet Aluminum Hull Model USCSBMK 1(1940-01-105-5728) MODEL USCSBMK 2 (1940-01-218-9165) Manual

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TM 5-1940-277-10

TM 1940-10/1

2-27. RECOVERY OF RIBBON BRIDGE BAY (PUSHER TECHNIQUE).

NOTE

Recovery of a Ribbon Bay requires at least one boat operator and two assistant

boat operators per boat.

CAUTION

Be sure to keep the boat downstream of the bay during recovery operations.

Ribbon Bay may drift downstream.

Boat operator. Maneuver the boat until the pushknees are in contact with the downstream side of the bay.

WARNING

Hold on to safety rails. You could be thrown overboard when the boat bumps the

bay.

WARNING

Do not get any part of body between bay and boat. Personnel injury could result.

Assistant boat operators. Stand on side of cab holding onto safety rail on top of cab until pushknees contact the

Ribbon Bay. If cab is removed assistant operators will kneel at side of cockpit and hold onto safety rails inside of

cockpit area until pushknees touch Ribbon Bay.

Boat operator. Keep the pushknees of the boat in constant contact with the Ribbon Bay.

CAUTION

Make sure that each tieline is tight and the bay is held firmly against the

pushknees or the bay will tend to pull off to the side of the boat.

Assistant boat operators. Secure one tieline to each of the anchoring pins on the downstream bow ponton of the

Ribbon Bay. Pull each tieline tight and secure it to the bow bollard on its respective side of the boat.

WARNING

Do not step, kneel, or lay down on the joint between roadway pontons.

Boat operator. Maneuver the Ribbon Bay to recovery site. Place the Ribbon Bay close enough to the transporter

so that the assistant boat operator can hook the winch cable hook onto the bay lifting eye. The centerline of the

bay should be in line with the transporter.

Assistant boat operators. Lower hand rails. Rotate travel latches down. Rotate all fold lock latches up. Open all

roadway to bow ponton latches. Rotate both roadway to roadway connectors.

Assistant boat operators. Hook the winch cable hook to the bay lifting eye with the open end of the hook facing the

bay. Remove the tielines from the bay and stow them on the boat. Remain on boat.

Boat operator. Maneuver the boat to the rear downstream bow ponton and push on the ponton as required to keep

the bay in line with the transporter.

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