Enclosure (1) - Sources Sought for USS GRIDLEY (DDG 101) .pdf

Enclosure (1) | Page i

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

GRIDLEY (DDG 101) FY27 DMP

A. General

a. Competition Area: Coast Wide – West Coast

b. Rough Estimate Man-Days:

i. Maintenance Ship Yard ~ 139,047

ii. Modernization Ship Yard ~ 68,024

c. Ship Particulars:

i. Length: 510 ft, 10.6 inches

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

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

iv. Displacement: 9191 tons

v. Mean Navigable Water depth draft: >30 ft 8 inches

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 A-7)

iii. Potable Water: 9500 GPD, 100 GPM at 40 PSI (UFC 4-150-02 Table A-4)

iv. Sea Water: 2000 GPM at 150 PSI (UFC 4-150-02 Table A-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. Compressed Air: 1000 scfm at 125 PSI (UFC 4-150-02, table A-2).

vii. Mean Pier Water depth draft: >33 ft

viii. Dry Dock to support DDG51 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 SLQ-32(V)7, Mk 6 Mod X, TTWCS V5.6.2.X, AWS TI-16, VLS Magazine Ventilation Upgrades, AN/SQQ-89A(V)15, Replace LOP with LOFP, AC Chlorinator upgrade, magazine fire detection system, various NAVSEA Program Alts as well as Berthing modifications, Removal of Unused MCS Cables. 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, pipe welding, cabling pulling, decking, preservation, inside/outside machine, piping, electrical, and ventilation work 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

• Aux 1/2 Bilge Preservation and repairs

• 05 Level Weather Decks corrosion

• Intake/Uptake repairs/preservation

• structural from the last avail (DFS)

• Below water line assessment repairs

• FWD VCHT deck replace

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

• Condition-based repair and replacement of structural decks

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• 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

• Various valve, motor and pump repair/replacement

Electric Plant and Distribution Equipment

• GTG repairs

• Cableway inspection and condition-based repair

• Generator support system repairs

• MCT/MCP testing and maintenance

Command and Surveillance

• Tank level indicator system repairs

• IFF antennae repair

• Array resurfacing

• Sonar transducer and stave cable replacement

• SLQ-32 and PCMS repair

• 1 MK 82 Director 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 repair 2 ventilation fans 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 all 5 A/C plant condensers

• Replace FM piping and chemically clean FM piping system

• Overhaul 1 HPAC as condition warrants and as identified by the maintenance team

• Repair hydraulic anchor windlass and repair and preserve anchors, and anchor chain assemblies

• Overhaul #1 and #2 refrigeration plants

• Repair RAST system as condition warrants and as identified by the maintenance team

• Repair HHDs as condition warrants and as identified by the maintenance team

• 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

• Removal, shipping and replacement of MT 51 gun

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• Removal and replacement of AFT CIWS

• Condition-based repair and preservation of RSLs

• Replacement of approximately one-half of the VLS deluge system critical flex hoses and overhaul of all deluge valves.

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

• Forecastle Nonskid; replace

• Underwater Hull; preserve

• Flight Deck Nonskid; replace

• Intake/uptake repair and preserve

• All 4 CPS fan rooms, repair and preserve

• Waterborne shafting replacement

• Repair and replace all sea valves

Key Modernization Work Items (not all inclusive)

• SLQ-32(V)7

• TTWCS V5.4.0.2

• Mk 6 Mod X

• AN/SQQ-89A(V)15 WITH TI-18 HW

• Removal of Unused MCS Cables

• Main Drainage System Piping