Enclosure (1) - USS GREEN BAY (LPD 20) FY24 DSRA.docx

Enclosure (1): Outline of some of the work anticipated to be completed under the expected USS GREEN BAY (LPD 20) FY24 DSRA

A. General

a. Competition Area: Coast Wide – West Coast

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

i. Maintenance ~ 65,000

ii. Modernization ~ 5,000

a. Ship Particulars:

i. Length: 684 ft (overall); 661 ft (waterline)

ii. Beam: 105 ft (extreme); 97 ft (waterline)

iii. Draft: 23 ft

iv. Displacement: 24,900 tons (full)

v. Mean Navigable Water depth draft: > 23ft

vi. Air Draft: 157.65ft

vii. Class and type: San Antonio-class amphibious transport dock

b. Facility Particulars:

i. Pier Length: > 684 ft

ii. Electrical: 8000 amps/ 20 Cables /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) for firefighting water

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

B. The Availability’s modernization scope will include significant amount of work across multiple trades and spaces. If the Government identifies a requirement, issues a solicitation, and awards a contract, the awarded contractor must be able to provide an integrated production schedule that incorporates anticipated Alteration Installation Teams (AIT), 3rd Party contractors, and Government workload, as well as management of Long Lead Time Material (LLTM) Procurement. Key trades & efforts would include: Structural welding, piping, electrical and ventilation work. The Master Ship Repair (MSR) would execute a majority of the structural/Industrial work. Further direction would be provided in the work specifications. Some of the anticipated major modernization work is listed below:

k. SA 70678 K AN/SPS -48G(V) ROAR (L-CLASS)

l. SA 75874 K SSEE INC F

m. SA 80897 K NMT AN/WSC -9 (V) XX Q /KA/

n. SA 82533 K SUPPLY SS 58- INTAKE VENT MOD

o. SA 83400 K CIRCUIT 27 TV AND SURVELILANCE

p. SA 84960 K LPD 17 CLASS V LINE INCREASE

q. SA 85030 K GBS RBM

r. SA 86669 K CIDS 23 TV UPGRADE V 5.1

s. SA 87305 K INSTALL BALANCING DAMPER IN ES

t. SA 93623 K PC2.5V STC MPDE COMMON RAIL UPGRADE

u. SA 95228 K LPD HM&E CONDITION SYSTEM 2.0

v. SA 97187 K SSEE INC F SFF (LPD 17 CLASS)

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

Hull Structure

· Ballast Tank Preservation and Structural repairs

· Hull Structure, Bulkheads, Deck, and Platform repairs/modifications

· Well Deck, Flight Deck, Vehicle Decks and Aircraft Hanger repairs/modifications

· Repair and replacement of watertight doors, hatches, and scuttles

Propulsion Plant

· Main Propulsion Diesel Engine repairs

· Clutch and Coupling repairs

· Sea Water/ Central Fresh Water System repair

· Lube/Fuel Oil Purifiers, pumps, valves and distribution systems repairs

· Diesel Engine Uptake, Intake and Exhaust Piping/Ducting repairs

Electric Plant and Distribution Equipment

· Top - bottom End Overhaul of Ship’s Service Diesel Generator (SSDG) Engines

· Electrical Power Distribution and Protective Devices repairs

· Condition-based repair of Lighting Distribution

· Switchboards and Load Center repairs

Command and Surveillance

· AFT Advanced Enclosed Mast System Remove and Install

· SPS 48E Radar Remove and Install

· Degaussing BPAU repairs

Auxiliary Systems

· A/C and Refrigerant plants and distribution system repairs

· Sea Water, Fresh Water, Potable Water and Gray Water system pumps, valves, and distribution system repairs

· CHT pumps, valves, and distribution system repairs

· Ballast/De-ballast system repairs

· Crane and Elevator repairs

· Replacement of insulation and lagging

Outfit and Furnishings

· Interior/ Exterior Decking Covering and Non Skid Replacement

· Well Deck Preservation

· Critical Coat Flight Deck/ Hangar Bay/ Well Deck Non Skid

Armament

· Cargo/Weapons Elevator repairs

Ship Assembly and Support Services

· Services would be 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 would be 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.

Key Maintenance Work Items (not all inclusive)

· Fuel Oil Storage Tank, repair and preserve

· Ballast Tank; repair and preserve

· Fuel Oil Service Tank; repair and preserve

· CHT Tank; clean, repair and preserve

· SSDG Engine/Generator; repair and overhaul

· MPDE; repair/overhaul

· Diesel Engine Exhaust Bolt replacement

· MPDE/MRG Lube Oil Cooler; clean and inspect

· Rescue Boat and Cargo Boat Cranes repair

· Ventilation Duct Cleaning; accomplish

· Knuckle Boom Crane Repairs

· Flight Deck Nonskid; replace

· Boat Davit Overhaul

Enclosure (1) | Page i