TM 5-5420-278-100035 000035 00-4BRIDGE ANCHORAGE (Contd)INTRODUCTION (Contd)c. Long-Term Anchorage (Contd)If the IRB will remain for an extended period of time, the transporters (if used)and BEBs should be replaced with fixed anchorage. Transporters, if used for endspan anchorage, should be replaced with approach guys. Where currents are0–3 feet/sec (0–0.9 meters/sec), BEBs can be replaced with upstream anddownstream anchorage using shore guys. (Refer to figure 4.) If currents are3.1–11 feet/sec (1.6–3.4 meters/sec), an overhead cable system must be used. Referto Anchorage of Floating Bridges in this work package for assembly and installationinstructions for the various types of fixed anchorage. The components necessary toinstall the standard overhead cable system are supplied in the IRB supplementalset SC-5420-97-CL-E51. Refer to figure 5 for typical bridle line connection to IRBload receiving pins.Figure 5. Typical Bridle Line Connection.BRIDLE LINE CONNECTOROVERHEAD CABLEBRIDLE LINEFigure 4. Typical End Span Anchorage.APPROACH GUYSSHORE GUYS45°
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