Enclosure (2) USS OKANE FY26 DSRA.docx

Enclosure (2): Outline of some of the work anticipated to be completed under the expected USS O’KANE (DDG 77) FY26 DSRA

A. General

a. Competition Area: Coast Wide – West Coast

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

i. Maintenance ~ 119,000

ii. Modernization ~ 5,000

c. Ship Particulars:

3. Length: 505 ft, 5 inches

3. Beam: 66 ft 5 inches (breadth, Molded Maximum)

3. Draft: 21 ft 9 inches (Full Load Condition)

3. Displacement: Flight II 8,637 long tons (Full load)

3. Mean Navigable Water depth draft: >30 ft 8.25 inches

3. Air Draft: 146 ft 8 inches

d. Facility Particulars:

4. Pier Length: > 509 feet 6 inches

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

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

4. Sea Water: 2,000 GPM (UFC 4-150-02 Table A-3), 150 PSI measured at the most remote outlet (UFC 4-150-02, Para 3-3.2.1)

4. Sewage: Ability to accommodate and dispose of 10,000 GPD of effluent and 10,000 GPD of waste water

4. Mean Pier Water depth draft: >33 ft

4. Dry Dock to support DDG 51 Class Ship

B. The Availability’s modernization scope will include a significant amount of work across multiple trades and spaces. The work will largely consist of HF Terminal, NMT Modem Spiral, SSEE MODS, Replace Magazine Fire Detection, Replace AFFF and CMWD, BMD 4.0, TTWCS V5.6.1, AWS:CKT 3TV COTS Upgrade, various NAVSEA/NAVWAR Program Alts. 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

· MER 1/2 Bilge Preservation and repairs

· Weather Deck 02 and 04 Level Nonskid Replacement

· Partial Weather Deck 02 Level Deck Thickening Mod

· Intake/Uptake repairs/preservation

· structural from the last avail (DFS)

· Below water line assessment repairs

· FWD VCHT structure repair

· Tank and void open/gas free/inspect, structural repair and preservation

· Condition-based repair and replacement of structural decks

· Condition-based repair and replacement of superstructure and deckhouse level decks

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

Propulsion Plant

· Condition-based repair and preservation of the propulsion combustion air intakes

· Condition-based repair and preservation of the propulsion exhaust air uptakes Electric Plant and Distribution Equipment

· GTG repairs

· Cableway inspection and condition-based repair

· Generator support system repairs

· ShipAlt DDG51-97441D, Helicopter Electrical Servicing System (HESS) 28V DC Power Supply

Command and Surveillance

· Antenna Radome Foundation repair

· AN/SPY-1D Antenna Array resurfacing

· Sonar transducer and stave cable replacement

· SLQ-32 and PCMS repair

· AS-142 HF Antenna Cable replacement

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 replace 1 Fan Coil Assembly as condition warrants and as identified by the maintenance team

· Overhaul 3 A/C plant compressor as condition warrants and as identified by the maintenance team and clean 3 A/C plant condensers

· Replace FM piping and chemically clean FM piping system

· Overhaul 2 HPACs as condition warrants and as identified by the maintenance team

· Repair Anchor Bolster and preserve anchors, and anchor chain assemblies

· Condition-based repair to VCHT piping and VCHT valve repair as condition warrants and as identified by the maintenance team

Outfit and Furnishings

· Condition-based interior preservation

· Condition-based exterior preservation

· Condition-based repair and preservation of the stacks

· Preservation of the underwater body hull.

· Preservation of the freeboard.

· Replacement of the ICCP system and sacrificial anodes.

· 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

· Refurbish MK 137 Decoy Launcher

· Preserve MK 38 25MM Gun Mount System Danger Circle

· Replace VLS, MK 41 Launcher Cell Hatch Assembly and Launcher Trunnion Cell Hatch and Uptake Hatch

· Remove Harpoon Weapon System

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)

· Compensated Fuel Tank; repair

· Air Intake and Exhaust; structural repairs

· Air Conditioning Plant One, 2 and 4 Overhaul; accomplish

· Forecastle, 02 and 04 Level Deck Nonskid; replace

· Underwater Hull; preserve

· Flight Deck Nonskid; replace

· 02 Level Deck Thickening (Partial)

Key Modernization Work Items (not all inclusive)

· CANES HW 3.0

· TTWCS V5.6.0.X

· SLQ-32(V)6

· MCS C2

· BMD

· MK 41 VLS

· L16-4557A ANTENNA

· AN/SRQ-4

· AS-4775 LINK 16 ANTENNA

· CIWS BLOCK 1B

· AN/SPS-73(V)18

· AN/USQ-144M(V)2

· HARPOON

· MK 24 MOD 2

Enclosure (2) | Page i