Enclosure (1) - (LHD) Sources Sought for USS Boxer (LHD 4).pdf

Enclosure (1) | Page i

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

BOXER (LHD 4) FY27 SRA

A. General

a. Competition Area: Coast Wide – West Coast

b. Rough Estimate Man-Days (including scope for Temporary Services):

i. Maintenance ~ 255,308

ii. Modernization ~ 68,649

c. Ship Particulars:

i. Length: 844 ft.

ii. Beam: 118 ft.

iii. Draft: 27.4 ft.

iv. Displacement: 42,335 tons

v. Air Draft (mast height above BL): 216 ft. 9.5 inches

vi. Navigational Draft: 30 ft.

d. Facility Particulars:

i. Pier Length: >844 ft.

ii. Electrical: 7200 amps, 450 volts, 60 hz, 3 ph (UFC 4-150-02 table C-7)

iii. Compressed Air: 800 SCFM, 125 PSIG (UFC 4-150-02 Table C-2)

iv. Potable Water: 32,000 GPD, 2.5 inch hose connection (UFC 4-150-02 Table C-4)

v. Sea Water: 4 Inch Connections (UFC 4-150-02 Table C-3), 2500 GPM (NAVSEA

Technical Publication S0570-AC-CCM-010/8010), 150 PSI measured at the most remote outlet (UFC 4-150-02, Para 3-3.2.1)

vi. Sewage: 4 inch connections (UFC 4-150-02 Table C-6). Ability to accommodate and dispose of ~25,000 GPD.

vii. Mean Pier Water depth draft: ~35 feet

B. The Availability’s modernization scope will include a significant amount of work across multiple trades and spaces. The successful contractor must be able to provide an integrated production schedule that incorporates AIT, 3rd Party contractors, and Government workload. Key trades & efforts include:

structural welding, cabling pulling, piping, electrical, 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.

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

Hull Structure

• Sea Valves/Ballast Valves/Waster Sleeves

• Condition-based repair and replacement of watertight doors, hatches, and scuttles

• Preserve Superstructure

Propulsion Plant

• Boiler 5-year Strength and Integrity Inspection and associated repairs

• Boiler 18-month Inspection and associated repairs

• MRG L/O Heaters and Coolers clean and inspect

• Remove/inspect/repair rudder seal assemblies

• Main Feed Pump Repairs

• Main Feed Booster Pump repairs

• Forced Draft Blower Repairs

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Electric Plant and Distribution Equipment

• Cableway inspection and condition-based repair

• Circuit breaker repair

Command and Surveillance

• CANES HW 1.2

• SSEE INC F

Auxiliary Systems

• Condition-based repair and replacement of insulation and lagging in machinery spaces

• Overhaul A/C plant compressors

• Condition-based repair to ASW/FM piping (in place) as identified by the maintenance team

• Overhaul HPACs

• Overhaul LPACs

• Clean the CHT piping system. Also, condition-based repair to CHT pumps, piping, and valve repair

• Fire and Flushing Pump; overhaul

• Aircraft Elevator Repairs

• Vent Plenum repair and preservation

• Stern Gate Hydraulic Ram repair

• Sideport door repairs

Outfit and Furnishings

• Condition-based interior preservation

• Condition-based exterior preservation

• Condition-based repair and preservation of the stacks

• Condition-based 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

Armament

• Condition-based repair and preservation of RSLs

• Accomplish SOT Level III test on six of six Cargo Weapons Elevators

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 refrigeration services which are more ship specific.

• Temporary Air Conditioning/Lodging

• Hazardous waste control

Key Maintenance Work Items (not all inclusive)

• Ballast Tank repair, inspect, repair and preserve

• Fuel Oil Service Tank; repair and preserve

• Fuel Oil Compensating tanks; repair and preserve

• CHT Tanks; repair and preserve

• Potable Water Tanks; repair and preserve

• Propulsion shafting inspect/repairs

• Rudder inspect/repairs

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• Ventilation Duct Cleaning; accomplish

• Ventilation Duct repairs; accomplish

• High Pressure Air (HPAC) Compressor repairs

• Low Pressure Air (LPAC) Compressor repairs

• Boat Davit weight test

• Collection, Holding and Transfer (CHT) Piping System; hydro-blast cleaning

• Helo Safety Net and Frame; repair

• Underwater Log Trunk; repair and preserve

• Flight Deck Nonskid; replace

• Refrigeration Compressor overhaul

• Refrigeration Cooler Boxes repair

Key Modernization Work Items (not all inclusive)

• Propulsion and Auxiliary Control system (PACS)

• Ballast and Damage Control

• Salinity Mod

• NAB-Armory modernization

• CANES CTU

• 3MC Integration One Way Announcing System Upgrade

• FAS A-FRAM Boom replacement with King Post

• 400 HZ SSFC Distribution

• Main Boiler Rear Refractory/Casing Upgrade