Enclosure (1) - USS TRIPOLI (LHA 7) FY23 DSRA Sources Sought.pdf

Enclosure (1) | Page i

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

TRIPOLI (LHA 7) FY23 SRA

A. General

a. Competition Area: Coast Wide – West Coast

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

i. Maintenance ~ 60,000

ii. Modernization ~ 10,000

c. Ship Particulars:

i. Length: 844 ft.

ii. Beam: 106 ft.

iii. Draft: 27.4 ft.

iv. Displacement: 44,971 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

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

Propulsion Plant

MRG L/O Heaters and Coolers clean and inspect

L/O Service Pumps Mechanical Seal replace

Electric Plant and Distribution Equipment

MCT Inspection and Repair

Integrated Voice Network (IVN) Wireless System Survey; accomplish

Heliax Cable Replace

1 MC and 5 MC Repairs

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Command and Surveillance

CANES HW 1.2

SSEE INC F

Auxiliary Systems

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

Clean A/C plant condensers

A/C plant pumps replace/repair

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

Condition-based repair to valve remote operators.

Condition-based repair to Chilled Water System piping and valves.

Nitrogen Generator/Compressor overhaul and clean

Outfit and Furnishings

Condition-based interior preservation

Condition-based exterior preservation

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

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

Water Mist Stowage Tank; repair

Fuel Oil Compensating tanks; repair and preserve

CHT Tanks; repair and preserve

Potable Water Tanks; repair and preserve

Ventilation Duct Cleaning; accomplish

Ventilation Duct repairs; accomplish

Fan Motors rewind and replace

Emergency Potable Water Tank; replace

Flight Deck Nonskid; replace

ECW Pump; replace

Eductor Overboard Discharge Valve; replace

Key Modernization Work Items (not all inclusive)

NAB- Armory Modernization

Ship Control System-Gov Upgrade

GCU Reliability Upgrade

LHA Local Switchboard Controller Upgrade

CANES HW2 Tech Refresh

SSEE INC F

Enclosure (1) | Page iii

MOS

ICOP

EPLRS