Enclosure (1) - USS MOBILE.pdf

Enclosure (1) | Page i

Enclosure (1): Outline of some of the work anticipated to be completed under the expected USS

MOBILE (LCS 26) FY25 DSRA

A. General

a. Competition Area: Coast Wide – West Coast

b. Rough Estimate Man-Days:

i. Maintenance Ship Yard ~ 70,000

ii. Modernization Ship Yard ~ 15,000

c. Ship Particulars:

i. Length: 418 ft. (127.4 m)

ii. Beam: 104 ft. (31.6 m)

iii. Draft: 14 ft (4.27 m)

iv. Displacement: 2,307 metric tons light

3,104 metric tons full 797 metric tons deadweight

v. Mean Navigable Water depth draft: >33 ft.

vi. Air Draft: 150.5 ft.

d. Facility Particulars:

i. Pier Length: > 509 feet 6 inches

ii. Electrical: 4800 amps, 450 volts, 60 hz, 3 ph (UFC 4-150-02 table C-7)

iii. Potable Water: 9500 GPD (UFC 4-150-02 Table C-4)

iv. Sea Water: 1250 GPM (UFC 4-150-02 Table C-3), 150 PSI measured at the most remote outlet (UFC 4-150-02, Para 3-3.2.1)

v. Sewage: Ability to accommodate and dispose of 10,000 GPD of effluent and

10,000 GPD of waste water

vi. Mean Pier Water depth draft: >33 ft

vii. Dry Dock to support LCS-2 Variant Class Ship

The Availability’s modernization scope will include a significant amount of work across multiple trades and spaces. The work will largely consist of Total Ship’s Communication Equipment (TSCE) upgrade, Fuel Oil Conditioning Module (FOCM) padeye addition, Fuel Oil Condition Module (FOCM) Memory, Side Door Lift Cable protective cover, Medical Reefer alarm relocate, Firepump modifications, Man Overboard Indicator modification, Twin Boom Extendable Crane (TBEC) structural upgrades, Damage Control Local Operating Panel (DCLOP) Tech Refresh, Air Conditioning Chill Water Pumps Replacement, Rosebox Strainer Replacement.

B. The successful contractor must be able to provide an integrated production schedule that incorporates Alteration Installation Team (AIT), 3rd Party contractors, and Government workload.

Key trades & efforts include: inspections, structural welding, cabling pulling, piping, electrical, preservation, and ventilation work if needed. Both the prime contractor and AIT contractors will execute the structural/industrial work. Further direction will be provided in the work specification package to define the work split and support services required.

C. The Availability’s maintenance requirements are expected to include the following types of work:

Hull Structure MER 1/2 Bilge Preservation and repairs Aux 1/2 Bilge Preservation and repairs

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02 Level Weather Decks corrosion Intake/Uptake repairs/preservation Anode pocket inspect and replace Below water line assessment repairs NACA box inspections Sea Valve and Waster Sleeve replacement Tank and void open/gas free/inspect, structural repair and preservation Inspection and repair/replacement of structure Ride Control inspection and overhaul

Propulsion Plant Shaft Assembly replacement and test Waterjet replacement and test OEM Main Engine inspections

Electric Plant and Distribution Equipment GTG repairs Generator support system repairs

Command and Surveillance Tank level indicator system repairs HFRS Receive (RCV) AS-3771B/U Antenna Removal and Installation

Auxiliary Systems Condition-based repair and replacement of insulation and lagging in machinery spaces Clean, condition-based repair to ventilation ducting as identified by the maintenance team and repair 2 ventilation fans as condition warrants and as identified by the maintenance team AC cleaning and inspection Firepump modifications including overhaul Repair hydraulic anchor windlass and repair and preserve anchors, and anchor chain assemblies Condition-based repair to VCHT piping and VCHT valve repair as condition warrants and as identified by inspection and flushing.

Outfit and Furnishings Condition-based interior preservation Condition-based exterior preservation Preservation of the underwater body hull.

Replacement of the ICCP system and sacrificial anodes.

Replacement of deck covering and exterior deck non-skid Condition-based replacement of flight and hangar deck non-skid Condition-based replacement of hull insulation Decking replacement for bunk, state, conference rooms

Armament Support services for 57MM deck protection upgrade

Ship Assembly and Support Services Services are directly related to availability, location, duration, and man-day determination.

Man-days can differ by region and whether the availability is performed in a public or private ship repair facility. Services are predominately driven by availability duration with the exception of cleaning and pumping (tanks and bilges), crane, rigging, and temporary

Enclosure (1) | Page iii refrigeration services which are more ship-specific.

Temporary Air Conditioning/Lodging Hazardous waste control Support Services for AIT install teams.

Key Maintenance Work Items (not all inclusive) U/W Hull; inspection and preservation Shaft Assembly; replace NO. One/2/3/4 MP LO Cooler; replace NO. One/2/3 AC; mechanical clean Flight Deck non-skid; replace Aluminum structural welding; repair and replace

Key Modernization Work Items (not all inclusive) TSCE upgrade FOCM padeye addition FOCM Memory module Side Door Lift Cable protective cover Medical Reefer alarm relocate Firepump modifications Man Overboard Indicator TBEC structural upgrade DCLOP Tech Refresh AC Chill Pumps Replacement Rosebox Strainer Replacement