Title: Harpoon Options
1 DD-963 Spruance Class Ship Aging Vs Maintenance
Expenditures from FY91 to FY00 SCEA 2002 National
Conference
Bill Stranges Colleen Adamson Andrea
Nowicki Deanna Ohwevwo June 2002
2Outline
- Purpose
- Approach
- DD-963 class characteristics
- Data scrubbing
- Results
- Summary
3 Purpose
- Determine if Annual Ship Maintenance Expenditures
are Correlated to Ship Aging for the DD-963
Class of Ships
4 Example of Ship Life Cycle Cost Decomposition
MISSION PERSONNEL - UNIT LEVEL CONSUMPTION -
INTERMEDIATE MAINT - DEPOT MAINTENANCE -
SUSTAINING SUPPORT - INDIRECT SUPPORT -
OFFICERS ENLISTED
CIVILIANS CONTRACTOR
POL CONSUMABLES TRAINING
EXPENDABLES
OS 60
HULL/GFE - PROPULSION - GOVERNMENT - GOV
OVERSIGHT -
RD - lt3
Plan Costs 3 Basic Construction 52 Change
Orders 2 Technology Insert 1 Electronics 11 Pro
pulsion 21 HME 9 Other Costs 1
Direct Labor 21 Material Costs 36 Overhead
Costs 30 FCCM Profit 13
PROD- 37
5DD 963 Class Characteristics Background
- 31 ships in class
- All built at Ingalls Shipbuilding
- First ship in class commissioned in FY75
- Several ships forward deployed to Japan
- DD-966, 972, 975, 985, 991
- Maintenance data from VAMOSC (FY84-FY00)
- Organizational level (O-level) maintenance costs
- Intermediate level (I-level) maintenance costs
- Depot level (D-level) maintenance costs
6DD 963 Class Characteristics History
- 1984 DD-974, 976, 979, 983, 984, 986, 990
received Armored Box Launchers (ABL) to launch
Tomahawk Cruise Missiles -
- USS Olendorf (DD 972) becomes forward based in
Yokosuka, Japan - 1986 Vertical Launch System (VLS) was
retrofitted to the 24 ships without ABL - 1988 USS Fife (DD 991) becomes forward based in
Yokosuka, Japan - 1990s Persian Gulf War and maintenance of the
Iraq No-Fly Zones scrambles the operational
tempo of all ships - 1990 USS Hewitt (DD 966) becomes forward based
in Yokosuka, Japan -
- 1991 USS Olendorf (DD 972) returns from
Yokosuka, Japan to San Diego
7DD 963 Class Characteristics History (continued)
- 1992 USS OBrien (DD 975) becomes forward based
in Yokosuka, Japan - 1996 Condition-based maintenance philosophy
began -
- USS Fife (DD 991) returns from Yokosuka, Japan
to San Diego - 1998 Ships with ABL, which were not upgraded to
VLS due to budget constraints, were
decommissioned -
- USS Hewitt (DD 966) returns from Yokosuka,
Japan to San Diego -
- USS Cushing (DD 985) becomes forward based in
Yokosuka, Japan - 2001 DD-980 and 981 turned over to Naval Reserve
Force
8DD-963 Class CharacteristicsTechnical Parameters
Overall Length 563 feet
Water Line Length 529 feet
Beam 55 feet Full Displacement 9,300 tons Dead
Weight 2,400 tons Speed 33 knots Crew 30
Officer 352 Enlisted
9DD-963 Class CharacteristicsMajor Weapons Systems
Antenna
AN/SPS-55
AN/URN-20 TACAN
MK 15 Phalanx (Port)
MK 22 TAS
AN/SPG-60
AN/SPS-400
NSSMS Launcher
AN/SLQ-32 (PortSTBD)
AN/SPQ-9A
MK 95 NSSMS Director
AN/SQR-15 TASS
MK 15 Phalanx (STBD)
MK 45 5/54 Gun
MK 45 5/54 Gun
LAMPS
RAM
MK 141 Harpoon (Port STBD)
MK 32 SVTT (Port STBD)
AN/SLQ-25 NIXIE AN/SQR-19 TACTAS
MK 36 SRBOC DLS (Port STBD)
MK 41 VLS
AN/SQS-32
MK 36 Mod 6 SRBOC
MK 15 Phalanx
AN/SLQ-32V(2)
MK 45 5/54 Gun
MK 41 VLS
MK 45 5/54 Gun
MK 95 NSSMS Director
NSSMS Launcher
MK 141 Harpoon
MK 15 Phalanx
AN/SLQ-32V(2)
10DD-963 Class CharacteristicsShip Homeports
JAPAN
3 ships
2 Ships
2 ships
5 ships
9 ships
2 ships
1 ship
11Approach
- FY84-00 VAMOSC data collected and analyzed
- Potential trends identified
- Secondary review yielded discrepancy in data
- VAMOSC source data repositories changed (3M)
- FY84-90 VAMOSC data removed
- Analysis performed using FY91-00 VAMOSC data
12Data Scrubbing
- Forward based ships were removed from analysis
- Depot data do not include cost of work done by
Japanese - Forward based ships have higher OPTEMPO
- DD-987 removed from data set due to major
corrective maintenance problems - O-Level maintenance in FY91 10.7M (class avg
4.1M) - I-Level maintenance in FY95 6.3M (class avg
584K) - I-Level maintenance in FY96 42.3M
- DD-973 and DD-992 removed from FY97 and FY93 data
respectively due to being stuck in
availabilities in Pearl Harbor - DD-973 O-Level maintenance in FY97 9.1M
- DD-973 I-Level maintenance in FY97 954K
- DD-992 O-Level maintenance in FY93 14.2M
13Data Scrubbing (Cont.)
- Seven decommissioned ships removed from analysis
- Low or negative maintenance costs in last few
years of ships lives - Incomplete OI maintenance data prior to FY91
- 3M system upgraded in FY91
- Ships are all relatively the same
- Same hull structure, engineering, systems,
OPTEMPO, maintenance schedule
14Results
15Maintenance Cost (OID) Class Average
No real increase in maintenance over time
Reflects average maintenance cost for 18 ships
per year FY93 and FY97 each have only 17 ships
16Organizational Level Maintenance CostClass
Average
Before 3M System Update
After 3M System Update
Reflects average O-level maint for 18 ships
per year FY93 and FY97 each have only 17 ships
17Intermediate Level Maintenance CostClass Average
Before 3M System Update
After 3M System Update
Reflects average I-level maint for 18 ships
per year FY93 and FY97 each have only 17 ships
18Depot Level Maintenance Cost Class Average
Reflects average D-level maint for 18 ships
per year FY93 and FY97 each have only 17 ships
19Ship Age vs. O-Level Maintenance CostFY91-00
DD 963 Commissioned in 1975
Each point represents a cost per yearly age
20Ship Age vs. I-Level Maintenance CostFY91-00
Each point represents a cost per yearly age
21Ship Age vs. D-Level Maintenance Cost FY91-00
Each point represents a cost per yearly age
22Summary
- No apparent correlation between ship aging and
maintenance expenditures for corrective
maintenance. - Anecdotal information from NAVSEA PMS 400
indicates a backlog of repairs existing for
DD-963 class of ships. - Difficult to track.
- No meaningful metric to assess ships readiness
and aging. - Existing databases highly subjective.
- Please address additional questions to
- Bill Stranges stranges.william_at_hq.navy.mil
- Colleen Adamson adamson.colleen_at_hq.navy.mil
- Andrea Nowicki nowicki.andrea_at_hq.navy.mil
- Deanna Ohwevwo ohwevwo.deanna_at_hq.navy.mil
23Backups
24Life Cycle Cost Breakout
From ARO TOC brief
25O-level Maintenance Manhours Class Average (18
ships)
Reflects avg O-level maint mhrs for 18 ships per
year FY93 and FY97 each have only 17 ships
26I-level Maintenance Manhours Class Average (18
ships)
Reflects avg I-level maint mhrs for 18 ships per
year FY93 and FY97 each have only 17 ships
27SSN Age vs. O-Level MaintenanceFY91-00
28SSN Age vs. I-Level MaintenanceFY91-00
29Average Steaming Hours
30Average Steaming Hours Underway
31Average Steaming Hours Not Underway