CHAPTER 6 — Operational PlanningChange A 6-35dive, and is fully prepared to respond if called upon for assistance. The scubastandby diver shall be equipped with an octopus rig.6-9.8.2Deploying the Standby Diver as a Working Diver. The standby diver may be de-ployed as a working diver provided all of the following conditions are met:1.Surface-supplied no-decompression dive of 60 fsw or less.2.Same job/location, e.g., working on port and starboard propellers on the samevessel:Prior to deploying the standby diver, the work area shall be determined tobe free of hazards (i.e., suctions, discharges) by the first diver on the jobsite.When working in ballast tanks or confined spaces, the standby diver maybe deployed as a working diver, but both divers shall be tended by a thirddiver who is outside the confined space (also see paragraph 6-4.9).NOTEThe standby diver shall remain on deck ready for deployment whensalvage operations diving is being done.6-9.9Buddy Diver. A buddy diver is the diver’s partner for a scuba operation. Thebuddy divers are jointly responsible for the assigned mission. Each diver keepstrack of depth and time during the dive. Each diver shall watch out for the safetyand well-being of his buddy and shall be alert for symptoms of nitrogen narcosis,decompression sickness, and carbon dioxide build up. A diver shall keep hisbuddy within sight and not leave his buddy alone except to obtain additional assis-tance in an emergency. If visibility is limited, a buddy line shall be used tomaintain contact and communication. If scuba divers get separated and cannotlocate each other, both divers shall surface immediately.6-9.10Diver Tender.6-9.10.1Diver Tender Responsibilities. The tender is the surface member of the divingteam who works closely with the diver on the bottom. At the start of a dive, thetender checks the diver’s equipment and topside air supply for proper operationand dresses the diver. Once the diver is in the water, the tender constantly tendsthe lines to eliminate excess slack or tension (certain UWSH tasking may precludethis requirement, e.g., working in submarine ballast tanks, shaft lamination, dryhabitat welding, etc.). The tender exchanges line-pull signals with the diver, keepsthe Diving Supervisor informed of the line-pull signals and amount of diving hose/tending line over the side and remains alert for any signs of an emergency.6-9.10.2Diver Tender Qualifications. The tender should be a qualified diver. Whencircumstances require the use of a non-diver as a tender, the Diving Supervisorshall ensure that the tender has been thoroughly instructed in the required duties. Ifa substitute tender shall be employed during an operation, the Diving Supervisormust make certain that the substitute is adequately briefed before assuming duties.
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