UNDERWAY REPLENISHMENT NWP 4-01.4 - Historic Naval Ships ...

NWP 4-01.42. When the message is received at the deliverystation, the phone talker there informs hisbridge: “We are detensioning the span wire at station___ .” At the same time, the rig captain instructsthe winch operator to turn on the ASD, ifinstalled, and pay out on the span wire, allowingthe ram tensioner to extend and slacken the spanwire. No response is required from the bridge,unless it is negative.3. To complete the communication loop, the deliveryship’s bridge shall immediately notify the receivingship’s bridge: “We are detensioning thespan wire at my station ___ .”4. If the receiving ship’s bridge determines that itdoes not want to detension the span wire anytimeafter it has received word that the receivingstation is ready, both the delivery ship’s bridgeand the receiving station shall be notified immediately.The delivery ship’s bridge shall immediatelypass the word to the delivery station: “Donot detension the span wire at station ___ .” Therig captain shall immediately instruct the winchoperator to stop detensioning the span wire.(6) DELIVERY SHIPSlack the span wire and tend slack, but clear of thewater.The receiving station must not trip thepelican hook until the span wire is slack andthe signal has been given by the deliverystation.(7) RECEIVING SHIPWARNING1. Haul in on the easing-out line to take the strainoff the pelican hook. The station phone talkeradvises the delivery station: “Ready to trip thepelican hook.”2. On signal from the delivery station, trip the pelicanhook.3. Ease the span wire clear of the deck edge, and releasethe easing-out line.4. Signal the delivery station to haul in the spanwire and station phone line.(8) DELIVERY SHIP1. Haul in the span wire and station phone line.2. Disconnect the phone/distance line.(9) RECEIVING SHIPHaul in the phone/distance line.3.10.6 Emergency Breakaway for FuelSTREAM With Single Probe. Emergency breakawayis an accelerated breakaway using the proceduresdescribed in the preceding paragraph. The following proceduresalso apply:1. Permission from the bridge to detension wires isnot required.2. Use emergency breakaway signals in Appendix C.3. Clear station of all nonessential personnel.4. Stop pumping immediately.5. Clear the line used for remating, release the rig,and start retrieving all hoses.6. Detension the span wire and, when the span wireis slack, trip the pelican hook.7. If unable to disconnect the span wire, continueto pay out until all wire is free of the drum.WARNINGNever cut a tensioned wire.CAUTIONCutting of wires or lines during emergencybreakaway should be exercised only as a lastresort. A last resort situation generally is onein which there is (1) imminent danger to theship’s structure because of fouled wire or (2)imminent danger to ship’s personnel.3-36 ORIGINAL