the repair department. In either case, the diving andsalvage officer is responsible for the supervision of alldiving operations, the maintenance of diving andsalvage equipment, and compliance with divinginstructions and precautions.Gas Free EngineerThe hull repair officer is generally assignedadditional duty as the gas free engineer. His primaryresponsibility is to ensure compliance with allprecautions set forth by NAVSEA; U.S. SafetyPrecautions For Shore Acclivities, NAVMAT P-5100;ship’s regulations; and other regulations issued byhigher authority. He determines whether there is dangerto personnel or equipment from noxious or explosivegases during any operation aboard ship or during workon ships alongside, and stops such work whennecessary.Enlisted PersonnelNavy enlisted personnel provide the technical skillsrequired aboard IMAs. The Occupational Standards,NAVPERS 18068, contain detailed information on theenlisted rating structure.ARRIVAL CONFERENCEAn arrival conference is usually held immediatelywhen a ship begins an IMA availability or an upkeepperiod. Representatives of the ship, of the repairdepartment, and usually of the TYCOM attend theconference. They discuss the relative needs of the shipand the urgency of each job and approve/disapprovework requests, clarify uncertainties, and arrange fortemporary services such as electricity and steam.SHIP/IMA WORK COORDINATIONShip’s engineering personnel must know the statusof work underway during an IMA availability whetherthat work is being done by the ship’s force or the IMA.You need this information to coordinate your own workwith that being done by the IMA. There are three basickinds of work that require coordination: (1) Equipmentremoved by the ship’s force to be delivered to the IMAfor repair, (2) equipment dismantled by the ship’s crewso they can send parts to the IMA for repair (also knownas ship-to-shop jobs), and (3) repairs the IMA force ismaking on the ship.The IMA usually appoints a ship superintendent, achief petty officer who should always know the statusof all jobs on the ship and on the IMA. If the IMA doesnot appoint a ship superintendent, then the ship shouldappoint a petty officer for that purpose. The person inthis position is liaison between the ship and the IMA forall work in progress and completed, and all testsrequired and completed. He keeps a daily runningprogress report of each job and reports that informationdaily to the ship’s representative.REPAIR DEPARTMENTYou need a general idea of the shops composing therepair department and their functions. In this section, wewill describe the shops as they are organized in thedivisions on a destroyer tender (AD), which isrepresentative of all IMAs.Hull Repair DivisionThe hull repair division consists of the shipfittershop, the sheet metal shop, the pipe and copper shop,the weld shop, the carpenter shop, the diving locker, andthe canvas shop. We will explain each of them in thefollowing sections.SHIPFITTER SHOP.— These personnel makerepairs on the hull, test pad eyes and structures with adynamometer, and handle alterations designated forforces afloat.SHEET METAL SHOP.— These personnel makeall types of repairs and fabrications on light gauge sheetmetal and handle alterations designated for forces afloat.PIPE AND COPPER SHOP.— These personnelfabricate and repair most pipe and tubing, test completedwork hydrostatically, and handle alterations designatedfor forces afloat.WELD SHOP.— These personnel weld mostmetals including high-pressure welding on boilers. Theyrepair castings, stress relieve castings and forgings,forge special tools and hull fittings, and case hardenlow-carbon steel. (NOTE: The nondestructive testinglaboratory performs all nondestructive testing used totest the quality of the welds.)CARPENTER SHOP.— These personnel repairand fabricate most items made of wood; test damagecontrol air test equipment, flame safety lamps, andexplosion meters; lay linoleum tile, magnetite, andterrazzo covers on decks; and fill C02, bottles. Thepattern shop functions under the carpenter shop andfabricates patterns of wood, metal, and plastic fortemplates and foundry castings.9-5
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