3 CASE STUDIES - POTENTIALLY POLLUTING WRECKS

SS JACOB LUCKENBACHSS PALO ALTOF/V MWAALIL SAAT

SS JACOB LUCKENBACH•BUILT 1944•468’ x 69.6’ x 29.5’•SUNK IN 1953 in 175 FT OF WATER•GULF OF THE FARALLONES NATIONAL MARINE

SANCTUARY•WATER TEMPERATURE 45-50° F vs POUR POINT 59° F•OIL SPECIFIC GRAVITY 0.989 – 1.023

GFNMS WRECKSITE

RESULT OF THE ASSEMENT PHASECOMPUTER GENERATED MODEL OF THE SS JACOB LUCKENBACH

ON THE SEA BED

OIL IN AFT TANKS AND HOLD 5

SHAFT ALLEY

OIL IN 5A DEEP TANKS

SUMMARY OF CALCULATIONS OF RESIDUAL OIL

Wedge Tank/Space Length Volume Estimate

Tank/Space Area (Sq-Ft) (Frames) (Feet) Cu-Ft Gals Note

UPPER TWEEN DK – PORT 2.35 2 5 11.75 88  

HOLD 5 – PORT   2.35 6 15 35.25 263  

DEEP TANK 5 – PORT   1.21 12 30 36.30 271  

DEEP TANK 5A – PORT   HECSALV 10 25 1092.00 7,471

DB TANK 6 – PORT   0.88 33 82.5 72.60 543  

DB TANK 6 – STBD   0.88 33 82.5 72.60 543  

DEEP TANK 5 – STBD   2.33 12 30 70.09 524  

DEEP TANK 5A - STBD   HECSALV 10 25 245.05 1,833  

LEAKING VENTS

LEAKING VENTS

DETERIORATION IN BULKHEAD

MIGRATION OF OIL FROM LEAKING TANK VENTS ON PORT SIDE

NO 4 HOLDNO. 5 HOLD

NO 4 LOWER TWEENNO 5 UPPER TWEEN

DP TK 5 P

DP TK 5A P

OIL

OIL

Open Vent – ROV ObservationDischarge from Pump to 5A

Pump Location

Oil “Wedges” Trapped Between Frames

Pump Hose

Frame 155 Window- Complete 8/5/02

Frame 161 Window- Cleared Frame 171 Window

- Cleared

Proposed Access for Tween Deck Overhead Oil

DT 5A (P)

HOLD 4 UPPER TWEEN

FRAME 149

FRAME 171

DT 5 (P)

LOOSE OIL COLLECTION

HOT TAP & PUMP ARRANGEMENT

THE OIL’S VIEW OF STEAM INJECTION LANCE

STEAM CONVECTION HEATER FITS THROUGH 6 INCH HOT TAP OPENING

SS JACOB LUCKENBACH•85,000 GALLONS RECOVERED•10 MONTHS•$19M

SS PALO ALTO

•BUILT 1919 OF REINFORCED CONCRETE•434’ x 54’ x 36’•1929-1936 AMUSEMENT ATTRACTION

•505 GALLONS WASTE OIL RECOVERED•$1.8M

Mwaalil Saat

•93’ LONG LINER•2004 SANK DURING TYPHOON TINGTING•2005 DE-FUELED, CUT-UP & REMOVED

•200 GALLONS WASTE OIL REMOVED•$3.5M