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Ships and repair facilities have a great deal of underwater work. Often these facilities and ships do not know the extent of required work because it is underwater. They may not even know whether underwater work is required. Certain situations may also require a diver to perform "security" swims to assess danger. Currently, in order to have a diver visualize a potential problem, shipyards and repair activities are required to generate 2 to 4 hours of paperwork. The ship is also required to tag out at least sonar, screw, and active suctions and discharges, which can take 3 to 4 hours. Couple these delays with a delicately balanced dive schedule for overworked divers and the "customer" could wait 48 hours to find out if they need to work underwater. A video class remotely operated vehicle (ROV) could be employed to decrease customer wait time. These ROVs can be deployed from a pier or ship with 110 v AC and perform most of these "quick look" jobs. The ROV requires minimal tag out and does not require any task group instruction or work package. An added feature of the ROV is the ability to take digital footage for review by experts who can provide oversight without actually being on site.
- Electrical Industrial Apparatus (1.00)
- Transportation > Marine (0.90)
- Transportation > Infrastructure & Services (0.90)
Naval shipyards face a declining workload in the nineties and beyond. Survival is a key issue. Total quality management (TQM) is one of the keys to survival. Being the best performer by focusing on customers' ever-demanding needs is the bottom line. Portsmouth Naval Shipyard has developed a TQM effort that allows improved performance, clearer communication, and focus on customer demands. Portsmouth's TQM model requires committed leaders, involves training for everyone, and calls for the building of teams to break down the functional barriers. It includes teams making incremental improvements in all of their work processes and dramatic improvements in the vital few work processes. It also listens to the voice of the customer.
- Transportation > Marine (0.59)
- Transportation > Infrastructure & Services (0.59)
- Health & Medicine > Nuclear Medicine (0.48)
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Japanese shipbuilding methods have typically been applied in new ship construction. As shipbuilding declines, the ship repair market has become more competitive and shipyards have started to apply some of these principles to ship repair. Public shipyards have been the most active in this technology development. This paper addresses some of the history and problems that have been encountered at Portsmouth Naval Shipyard in the application of zone outfitting methods.
- Transportation > Marine (1.00)
- Transportation > Infrastructure & Services (1.00)
- Government > Military > Navy (1.00)
Photogrammetric technology captures dimensional data on systems' existing configurations. Photogrammetry is useful for determining the dimensional attributes of a system whose configuration has been modified and/or not recorded or updated. Knowing before execution of work begins the as-built structural conditions of systems on which work will be performed increases the shipyard's ability to plan a job efficiently, allowing the job to be completed in a timely cost-effective manner. This can assure the elimination of millions of dollars' worth of rework and trial-and-error fit-ups, and can provide enhanced product quality. This paper presents several case studies in which naval shipyards have used photogrammetry prior to execution of work in order to effectively plan and accomplish the work more efficiently. Successes realized through the use of photogrammetric technology can be shared among all of the naval shipyards with great cost savings potential to the Navy.
- Transportation > Marine (1.00)
- Transportation > Infrastructure & Services (1.00)
ABSTRACT The Red Hill complex consists of twenty 300,000 bbl underground storage tanks, three pipelines, and a pumping facility that was built between 1940 and 1945. The pipelines are located inside of an underground tunnel approximately 4.3 km (2.7 miles) long and 4.5 meters (15 feet) wide. This paper will discuss the project management and technical challenges for the metal loss inspection of the 813 mm (32-inch) diesel pipeline at Red Hill, FISC Pearl Harbor, HI. The pipeline has several "unpiggable" features such as 28 degree mitered bends, reduced valve sections and no launcher/receiver. Even though the pipeline is "above ground," it rests directly on over 300 supports and is encased in over twenty bulk-heads, each four feet wide. The paper will discuss the project phases of (1) integrity assessment method tool selection, (2) planning, (3) fabrication of components, (4) mobilization, (5) installation of components, (6) cleaning, (7) in-line inspection, (8) demobilization, and (9) analysis. Technical challenges that will be addressed in the paper are (1) specifying and locating valves and components, (2) handling and disposal of the off-spec fuel created during the pigging process, (3) working with large material and components in confined areas, (4) pump capacities and capabilities during the cleaning and smart pigging, and (5) project scheduling to meet the fleet demand at Naval Station Pearl Harbor, Hawaii. INTRODUCTION This project provided a thorough inline inspection of 3.4 km (2.1 miles) of the 813 mm (32-inch) Diesel pipeline from Red Hill to the pump house at Pearl Harbor using the latest in-line inspection ultrasonic technology. The inspection provided a complete, intensive assessment of the level of corrosion damage to the pipeline incurred over the last 62 years. Results are allowing the Navy to identify and repair trouble spots before a failure and facilitate long range planning of logistical fuel supply for the Pacific Theatre. The planning for this project started in January 2005 and was completed in June 2006. BACKGROUND The Red Hill Fuel Storage facility located at Pearl Harbor, Hawaii, provides the majority of the fuel for the entire Pacific Fleet. The facility was built into Red Hill between South Halawa Stream and Moanalua Stream during World War II to provide fuel for the Pacific theatre of operations and has been in continuous service since. The 20 Red Hill Storage tanks are connected to Pearl Harbor by pipelines stretching over three miles through a tunnel deep inside the Red Hill facility. The tanks store approximately 954,820 m (252 million gallons) of Diesel (F-76), JP-5 and JP-8, which are delivered to vessels at Sierra and Mike Docks, and Hotel Pier in Pearl Harbor. The Red Hill Fuel Storage facility is owned and operated by the Fleet Industrial Supply Center (FISC) Pearl Harbor. In 1995, the Red Hill Fuel Storage Facility was designated by the American Society of Engineers as a Nation Historic Civil Engineering Landmark (Figure 1). An internal integrity inspection has never been performed on these 62-year-old pipelines. The Department of Defense will typically conduct an Inline Inspection (ILI) of strategic or high-risk pipelines like the 813 mm (32-inch) Red Hill Pipeline.
- Energy > Oil & Gas > Midstream (1.00)
- Government > Regional Government > North America Government > United States Government (0.48)