Docking Planned Incremental Availability

Docking Planned Incremental Availability
Name	Docking Planned Incremental Availability
Type	Naval maintenance availability
Location	Naval shipyards, private shipyards
Owner	United States Navy, Military Sealift Command

Docking Planned Incremental Availability is a scheduled naval maintenance period designed to perform repair, modernization, and preservation work on commissioned United States Navy vessels during a planned dry-docking. It combines elements of overhaul, modernization, and logistics coordination to restore readiness for deployment cycles and interacts with institutions such as Naval Sea Systems Command, Puget Sound Naval Shipyard, Norfolk Naval Shipyard, and private contractors including General Dynamics and Huntington Ingalls Industries. The concept aligns with lifecycle support practices seen in programs like Shipyard Infrastructure Optimization Program and maintenance doctrines used by allied services such as the Royal Navy and Maritime Self-Defense Force.

Overview

Docking Planned Incremental Availability events occur at public and private shipyards such as Pearl Harbor Naval Shipyard, Bath Iron Works, Ingalls Shipbuilding, and Philadelphia Naval Shipyard. They integrate scheduling from organizations like Fleet Forces Command, United States Pacific Fleet, Surface Warfare program offices, and technical guidance from Naval Sea Systems Command (NAVSEA) engineering directorates. Typical stakeholders include program managers from Program Executive Office Ships, labor unions including International Longshoremen's Association and Sheet Metal Workers' International Association, and oversight from committees such as the House Armed Services Committee and Senate Armed Services Committee.

Purpose and Scope

The purpose is to address hull maintenance, propulsion repairs, combat system updates, habitability work, and preservation to extend operational availability for task forces operating under United States Fleet Forces Command or deploying with groups like the Carrier Strike Group. Scope definitions derive from ship class requirements set by program offices for classes such as Arleigh Burke-class destroyer, Ticonderoga-class cruiser, Nimitz-class aircraft carrier, and Littoral Combat Ship. Outputs often coordinate with logistics entities like Defense Logistics Agency and readiness metrics reported to Office of the Secretary of Defense and combatant commanders including United States Central Command.

Process and Timeline

Planning phases begin with technical assessments by shipboard maintenance officers, supervised by NAVSEA’s engineering teams and often informed by historical maintenance records from Naval History and Heritage Command. Pre-docking inspections incorporate condition assessments referencing standards from American Bureau of Shipping and coordination with shipbuilders such as Newport News Shipbuilding. Timeline milestones include planning, procurement, dry-docking, execution, trials, and turnover. Critical path items mirror practices in programs like Fleet Modernization and follow contracting vehicles issued under Federal Acquisition Regulation by contracting offices such as NAVSEA Supervisor of Shipbuilding, Conversion and Repair (SUPSHIP).

Equipment and Systems Serviced

Work packages target systems including propulsion machinery (gas turbines by General Electric, diesel engines by Fairbanks Morse), auxiliary systems from suppliers like Rolls-Royce and ABB Group, and combat systems from Raytheon Technologies, Lockheed Martin, and Northrop Grumman. Hull and structural work is performed to classification society rules from Lloyd’s Register and American Bureau of Shipping. Habitability and habitant systems may be updated with equipment from Whirlpool Corporation or medical suites aligned with standards from United States Public Health Service facilities. Communications upgrades may integrate systems from Harris Corporation or Cisco Systems to meet directives from Office of the Chief of Naval Operations.

Safety and Compliance

Safety oversight involves adherence to regulations from Occupational Safety and Health Administration, NAVSEA safety engineering, and inspections by officials from Chief of Naval Operations staff. Environmental compliance interacts with Environmental Protection Agency standards and regional commands such as Naval Facilities Engineering Systems Command (NAVFAC) to manage hazardous materials tracking consistent with Resource Conservation and Recovery Act requirements. Labor compliance often involves coordination with National Labor Relations Board and union agreements regulated under statutes like the Service Contract Act.

Case Studies and Notable Dockings

Notable examples include availabilities for vessels serviced at Puget Sound Naval Shipyard after collision repairs, modernization availabilities at Bath Iron Works for Arleigh Burke-class destroyer life-extension, and incremental availabilities for carriers at Newport News Shipbuilding coinciding with Refueling and Complex Overhaul scheduling. High-profile turnarounds have involved contractors such as Huntington Ingalls Industries and program oversight from Program Executive Office, Aircraft Carriers and have been reviewed by panels including the Government Accountability Office.

Program Management and Budgeting

Program management employs earned value management practices coordinated by NAVSEA program offices and overseen through budget cycles enacted by Department of the Navy and approved by United States Congress appropriations committees. Contracting strategies leverage indefinite-delivery/indefinite-quantity vehicles managed by SUPSHIP and incorporate cost-estimating teams aligned with Office of Cost Assessment and Program Evaluation. Budgetary pressures and readiness metrics drive tradeoffs that are scrutinized by think tanks such as the Center for Strategic and International Studies and policy reviews from Congressional Research Service.

Category:Ship maintenance