Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0OPERATION: OTHER PARTICULARS: Barge orientation (tick one) ramp length = 20.00 ft 6.10 mtr (max 15 axles long)

Over Bow Cargo details:Over Stern x Weight (incl. trailers) = 1,175.00 mT 2,588.11 KIPSOver Side Length = 83.20 mtr 272 ft 11.6 inch

Width = 30.00 mtr 98 ft 5.1 inch (Un)-Loading operation (tick one) Height (incl. trailers) = 23.00 mtr 75 ft 5.5 inch

Load In / Roll off (Barge to Land) VCG (incl. trailer) = 13.50 mtr 44 ft 3.5 inchLoad Out / Roll on (Land to Barge) x

Barge:

TRANSPORTER INPUT

Transporter 1Support 3 TCG (center trailer) = 11.0 mtr 35 ft 11.1 inch

LCG (C.L. first axle) = 0.0 mtr 0 ft 0.0 inchWeight per axle = 3.5 mT 7.71 KIPSWeight cargo = 284.0 mT 625.55 KIPS# of axles = 12 Nos.Trailer Configuration = s ("S" single, "D" double, "T" triple)# of axle rows = 12 Nos.Axle spacing = 1.4 mtr 4 ft 7.1 inchW per axle row = 27.17 mT/axle row 59.84 KIPS/axle row

Transporter 2Support 4 TCG (center trailer) = -10.5 mtr -34 ft -5.4 inch

LCG (C.L. first axle) = 6.4 mtr 20 ft 12.0 inchWeight per axle = 3.5 mT 7.71 KIPSWeight cargo = 294.0 mT 647.58 KIPS# of axles = 12 Nos.Trailer Configuration = d ("S" single, "D" double, "T" triple)# of axle rows = 6 Nos.Axle spacing = 1.4 mtr 4 ft 7.1 inchW per axle row = 56.00 mT/axle row 123.35 KIPS/axle row

Transporter 3Support 7 TCG (center trailer) = 11.0 mtr 36 ft 1.1 inch

LCG (C.L. first axle) = 35.7 mtr 117 ft 1.5 inchWeight per axle = 3.5 mT 7.71 KIPSWeight cargo = 211.0 mT 464.76 KIPS# of axles = 12 Nos.Trailer Configuration = s ("S" single, "D" double, "T" triple)# of axle rows = 12 Nos.Axle spacing = 1.4 mtr 4 ft 7.1 inchW per axle row = 21.08 mT/axle row 46.44 KIPS/axle row

Transporter 4Support 8 TCG (center trailer) = -3.5 mtr -11 ft -5.8 inch

LCG (C.L. first axle) = 41.6 mtr 136 ft 5.8 inchWeight per axle = 3.5 mT 7.71 KIPSWeight cargo = 218.0 mT 480.18 KIPS# of axles = 12 Nos.Trailer Configuration = d ("S" single, "D" double, "T" triple)# of axle rows = 6 Nos.Axle spacing = 1.4 mtr 4 ft 7.1 inchW per axle row = 43.33 mT/axle row 95.45 KIPS/axle row

Transporter 5Not Used TCG (center trailer) = 0.0 mtr 0 ft 0.0 inch

LCG (C.L. first axle) = 0.0 mtr 0 ft 0.0 inchWeight per axle = 0.0 mT 0.00 KIPSWeight cargo = 0.0 mT 0.00 KIPS# of axles = 0 Nos.Trailer Configuration = s ("S" single, "D" double, "T" triple)# of axle rows = 0 Nos.Axle spacing = 1.4 mtr 4 ft 7.1 inchW per axle row = 0.00 mT/axle row 0.00 KIPS/axle row

Transporter 6Not Used TCG (center trailer) = 0.0 mtr 0 ft 0.0 inch

LCG (C.L. first axle) = 0.0 mtr 0 ft 0.0 inchWeight per axle = 0.0 mT 0.00 KIPSWeight cargo = 0.0 mT 0.00 KIPS# of axles = 0 Nos.Trailer Configuration = s ("S" single, "D" double, "T" triple)# of axle rows = 0 Nos.Axle spacing = 1.4 mtr 4 ft 7.1 inchW per axle row = 0.00 mT/axle row 0.00 KIPS/axle row

NOTES1.) While rolling on 0-point is at start of ramp on land side2.) While rolling off 0-point is at start of ramp on barge side3.) Reference point is at mid keel at the bow

Boa 7-8-9

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 1, 5/7/2006, MvD

Ballast calculations

AXLE SEQUENCE AND LOADS

Tranporter Tranporter Tranporter Tranporter Tranporter Tranporter Weight Weight Overall OverallBallast axle 1 2 3 4 5 6 Weight Summary on barge on land Weight Weight Totalsteps row # axle pos. axle pos. axle pos. axle pos. axle pos. axle pos. per row distances from ramp from ramp on barge on land OK?

mtr mtr mtr mtr mtr mtr mT mtr mT mT mT mT1 1 0 - - - - - 27.2 0.0 0.0 0.0 0.0 1,175.0 OK2 2 1.4 - - - - - 27.2 1.4 6.2 20.9 6.2 1,168.8 OK3 3 2.8 - - - - - 27.2 2.8 18.7 35.6 18.7 1,156.3 OK4 4 4.2 - - - - - 27.2 4.2 37.4 44.1 37.4 1,137.6 OK5 5 5.6 - - - - - 27.2 5.6 62.4 46.3 62.4 1,112.6 OK6 6 7 6.4 - - - - 83.2 7.0 62.4 46.3 89.6 1,085.4 OK7 7 8.4 7.8 - - - - 83.2 8.4 75.3 89.4 129.6 1,045.4 OK8 8 9.8 9.2 - - - - 83.2 9.8 101.0 119.7 182.5 992.5 OK9 9 11.2 10.6 - - - - 83.2 11.2 139.6 137.1 248.2 926.8 OK10 10 12.6 12 - - - - 83.2 12.6 191.0 141.7 326.8 848.2 OK11 11 14 13.4 - - - - 83.2 14.0 191.0 141.7 410.0 765.0 OK12 12 15.4 -- 35.7 - - - 48.3 15.4 191.0 141.7 493.2 681.8 OK13 13 -- -- 37.1 - - - 21.1 37.1 0.0 0.0 683.1 491.9 OK14 14 -- -- 38.5 - - - 21.1 38.5 4.8 16.2 687.9 487.1 OK15 15 -- -- 39.9 - - - 21.1 39.9 14.5 27.6 697.6 477.4 OK16 16 -- -- 41.3 - - - 21.1 41.3 29.1 34.2 712.1 462.9 OK17 17 -- -- 42.7 41.6 0 0 64.4 42.7 48.4 35.9 731.5 443.5 OK18 18 -- -- 44.1 43 -- -- 64.4 44.1 58.4 69.3 762.5 412.5 OK19 19 -- -- 45.5 44.4 -- -- 64.4 45.5 78.3 92.7 803.5 371.5 OK20 20 -- -- 46.9 45.8 -- -- 64.4 46.9 108.1 106.2 854.5 320.5 OK21 21 -- -- 48.3 47.2 -- -- 64.4 48.3 147.9 109.7 915.4 259.6 OK22 22 -- -- 49.7 48.6 -- -- 64.4 49.7 147.9 109.7 979.8 195.2 OK23 23 -- -- 51.1 -- -- -- 21.1 51.1 147.9 109.7 1,044.2 130.8 OK

24 -- -- -- -- -- -- - - - - - - -25 -- -- -- -- -- -- - - - - - - -26 -- -- -- -- -- -- - - - - - - -27 -- -- -- -- -- -- - - - - - - -28 -- -- -- -- -- -- - - - - - - -29 -- -- -- -- -- -- - - - - - - -30 -- -- -- -- -- -- - - - - - - -31 -- -- -- -- -- -- - - - - - - -32 -- -- -- -- -- -- - - - - - - -33 -- -- -- -- -- -- - - - - - - -34 -- -- -- -- -- -- - - - - - - -35 -- -- -- -- -- -- - - - - - - -36 -- -- -- -- -- -- - - - - - - -37 -- -- -- -- -- -- - - - - - - -38 -- -- -- -- -- -- - - - - - - -39 -- -- -- -- -- -- - - - - - - -40 -- -- -- -- -- -- - - - - - - -41 -- -- -- -- -- -- - - - - - - -42 -- -- -- -- -- -- - - - - - - -43 -- -- -- -- -- -- - - - - - - -44 -- -- -- -- -- -- - - - - - - -45 -- -- -- -- -- -- - - - - - - -46 -- -- -- -- -- -- - - - - - - -47 -- -- -- -- -- -- - - - - - - -48 -- -- -- -- -- -- - - - - - - -49 -- -- -- -- -- -- - - - - - - -50 -- -- -- -- -- -- - - - - - - -

TIDAL INFORMATION:

jetty - water distance at mean tide7.00 ft 2.13 mtr

difference between high and low tide1.00 ft 0.30 mtr

Time for full tidal cycle6.00 hrs

Tidal motion (tick one)mean-high-mean-low-meanmean-low-mean-high-mean x

Load out / Roll on

Tide and jetty heights

-1.0

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

0.0 0.3 0.5 0.8 1.0 1.3 1.5 1.8 2.0 2.3 2.5 2.8 3.0 3.3 3.5 3.8 4.0 4.3 4.5 4.8 5.0 5.3 5.5 5.8 6.0

time (hrs)

dist

ance

(mtr)

tidal heights jetty-water heights

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 2, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

OverviewBarge details: Ballasting with:Name salt water 1,025 kg/m^3 63.93 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr Pump info:Width (W) 100 ft 1 inch 30.51 mtr Capacity = 1,500 mT/hr 3,303,965 LBS/hrHeight (H) 24 ft 11 inch 7.59 mtr Results/output in (Tick one):Max. draft 11 ft 5 inch 5.79 mtr Metric Imperial x

SUMMARY OF BALLAST STEPS

Start, time elapsed since mean tide 0.0 hrs

barge timejetty Pumped time elapsed average trim heel

distance Quantity Nos. involved since mean draft trim angle heel angleft LBS pumps hrs. tide ft ft degrees ft degrees

Pre-ballasting 0.51 24,688,875 10 1.04 1.04 17.50 -1.11 -0.16 0.06 0.03Step 1 0.51 0 0 0.00 1.04 17.50 -1.11 -0.16 0.06 0.03Step 2 0.45 125,156 1 0.04 1.07 17.50 -0.99 -0.14 -0.01 -0.01Step 3 0.39 125,156 1 0.04 1.11 17.50 -0.86 -0.12 -0.09 -0.05Step 4 0.47 264,468 2 0.04 1.15 17.50 -1.04 -0.15 0.07 0.04Step 5 0.44 0 0 0.00 1.15 17.50 -0.97 -0.14 0.24 0.14Step 6 0.41 0 0 0.00 1.15 17.50 -0.91 -0.13 0.08 0.04Step 7 0.37 0 0 0.00 1.15 17.50 -0.82 -0.12 -0.08 -0.05Step 8 0.36 125,156 1 0.04 1.19 17.50 -0.80 -0.12 0.00 0.00Step 9 0.40 264,468 2 0.04 1.23 17.50 -0.88 -0.13 -0.16 -0.09Step 10 0.31 125,156 1 0.04 1.27 17.50 -0.80 -0.12 -0.08 -0.05Step 11 0.39 389,624 3 0.04 1.31 17.50 -0.95 -0.14 -0.01 0.00Step 12 0.36 389,624 3 0.04 1.35 17.50 -0.89 -0.13 0.05 0.03Step 13 0.36 528,936 2 0.08 1.43 17.50 -0.90 -0.13 0.17 0.10Step 14 0.32 125,156 1 0.04 1.47 17.50 -0.82 -0.12 0.06 0.04Step 15 0.32 0 0 0.00 1.47 17.50 -0.82 -0.12 0.19 0.11Step 16 0.26 125,156 1 0.04 1.50 17.50 -0.71 -0.10 0.08 0.05Step 17 0.39 264,468 2 0.04 1.54 17.50 -1.00 -0.15 0.12 0.07Step 18 0.40 0 0 0.00 1.54 17.50 -1.03 -0.15 0.17 0.10Step 19 0.40 0 0 0.00 1.54 17.50 -1.03 -0.15 0.21 0.12Step 20 0.35 125,156 1 0.04 1.58 17.50 -0.91 -0.13 0.02 0.01Step 21 0.33 0 0 0.00 1.58 17.50 -0.87 -0.13 0.06 0.04Step 22 0.42 264,468 2 0.04 1.62 17.50 -1.07 -0.16 0.11 0.06Step 23 0.32 125,156 1 0.04 1.66 17.50 -0.84 -0.12 0.00 0.00Step 24 0.38 0 0 0.00 1.66 17.50 -0.98 -0.14 0.17 0.10

Sailing - 22,072,506 10 1.04 2.70 6.00 0.00 0.00 0.00 0.00- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -- - - - - - - - - - -

CONCLUSION

Max. barge-jetty distance 0.51 ft Total pumped water ######## LBS Time elapsed since pre-ballast 2.70 hrsMin. barge-jetty distance 0.26 ft Nos. of pumps required 10 Nos. Time elapsed since mean tide 2.70 hrs

Max. Av. Draft 17.50 ft Max. trim 0.00 ft Max. heel 0.24 ftMin. trim -1.11 ft Min. heel -0.16 ft

Max. trim angle 0.00 degrees Max. heel angle 0.14 degreesMin. trim angle -0.16 degrees Min. heel angle -0.09 degrees

NOTES1.) Port side is +, Starboard is -2.) Tank %-filled is never lower than 5% or higher than 95%3.) Tank 1 is at bow4.) If capacity is 0, this tank is not present5.) Reference point is at mid keel at the bow6.) Transporter movements are assumed to be timeless7.) A negative "barge-jetty" value means barge below jetty, a positive "barge-jetty" value means barge above jetty8.) Overall time excludes pump set-up and handling time9.) A minumum of one pump per used ballast tank is assumed

BOA 7-8-9

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 3, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: Sailing Last Ballast Step: 24Barge details: Ballasting with (tick one):Name OK! fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1,500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 10 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 5.0% 56.82 7.62 16.82 0.12 4,423.37 568.21 0.386 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 5.0% 56.82 -7.62 16.82 0.12 4,423.37 965.95 0.649 Tank 3 portside 1678.2 5.0% 86.01 7.62 29.99 0.18 4,423.37 1548.14 1.03

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 5.0% 86.01 -7.62 29.99 0.18 4,423.37 1548.14 1.0313 Tank 4 portside 1692.0 5.0% 86.72 7.62 44.96 0.19 4,423.37 780.44 0.5214 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 5.0% 86.72 -7.62 44.96 0.19 4,423.37 780.44 0.5217 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 5.0% 86.37 7.62 89.92 0.18 4,423.37 1554.60 1.0426 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 5.0% 86.37 -7.62 89.92 0.18 4,423.37 1554.60 1.0429 Tank 8 portside stern 1171.4 5.0% 60.03 7.62 97.74 0.25 545.62 360.21 0.2430 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 5.0% 60.03 -7.62 97.74 0.25 545.62 360.21 0.243334 Light ship 3502.00 0.00 56.64 4.8835363738394041424344454647484950

Grand Total / System COG 4,609.56 0.00 57.26 3.75 54,475.43 10,020.92 1.04

HYDROSTATICS

Average draft Ad = 6.00 ft 1.83 mtr Transverse stability GM=KM-VCG 43.78 mtr 143.64 ftLong. Cntr. Buoyancy LCB = 187.85 ft 57.26 mtr Correction factor GG' = 11.82 mtr 38.77 ftLong. Cntr Flotation LCF = 191.87 ft 58.48 mtr Corrected stability G'M = 31.96 mtr 104.87 ftMoment to change trim MT1 = 1,734.84 ft*tons 472.12 mT*mtrMetacentric Height KM = 155.95 ft 47.53 mtr

Trim = Weight*(LCG-LCB)/MT1 0.00 ft 0.00 mtr Heel = sin(Ha) * W 0.00 mtr 0.00 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 6.00 ft 1.83 mtr Draft Port side =Ad + Heel/2 1.83 mtr 6.00 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 6.00 ft 1.83 mtr Draft Starboard side=Ad - Heel/2 1.83 mtr 6.00 ftTrim angle (Ta) = 0.00 deg. Heel angle (Ha) = atan(TCG/G'M) 0.00 deg.

NOTES BARGE DRAFT 6.00 ft1.) Port side is +, Starboard is - 6.00 ft 6.00 ft2.) Tank %-filled is between 5% and 95%

Time involved to ballast sailing 1.04 hrs 3.) Tank 1 is at bow 6.00 ft 6.00 ftTime elapsed since pre-ballast 2.70 hrs 4.) If capacity is 0, this tank is not presentTime elapsed since mean tide 2.70 hrs 5.) Reference point is at mid keel at the bow 6.00 ft 6.00 ft

6.) Overall pump time excludes handling time 6.00 ft

BOA 7-8-9

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 4, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: Pre-ballastingBarge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 10 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 75.0% 852.31 7.62 16.82 1.82 4,423.37 795.49 0.536 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 965.95 0.649 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 1548.14 1.03

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 1548.14 1.0313 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 780.44 0.5214 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 780.44 0.5217 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 1554.60 1.0426 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 1554.60 1.0429 Tank 8 portside stern 1171.4 75.0% 900.51 7.62 102.85 3.43 8,184.34 840.48 0.5630 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 75.0% 900.51 -7.62 102.85 3.43 8,184.34 840.48 0.563334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950

Grand Total / System COG 16,249.91 0.01 58.14 3.49 69,752.86 11,208.75 1.04

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.67 mtr 51.40 ftLong. Cntr. Buoyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 4.29 mtr 14.08 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.38 mtr 37.32 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -1.11 ft -0.34 mtr Heel = sin(Ha) * W 0.02 mtr 0.06 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 18.08 ft 5.51 mtr Draft Port side =Ad + Heel/2 5.35 mtr 17.56 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 16.98 ft 5.17 mtr Draft Starboard side=Ad - Heel/2 5.33 mtr 17.50 ftTrim angle (Ta) = -0.16 deg. Heel angle (Ha) = atan(TCG/G'M) 0.03 deg.

Freeboard at jetty 7.94 ft 2.42 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.43 ft 2.27 mtr 17.50 ftBarge - Jetty distance 0.51 ft 0.15 mtr above jetty 18.05 ft 16.95 ftTime involved to pre-ballast 1.04 hrsStart, time elapsed since mean tide 0.0 hrs 18.08 ft 16.98 ftTime elapsed since mean tide 1.04 hrs

18.11 ft 17.00 ft17.56 ft

BOA 7-8-9

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 5, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 1Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 0 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 75.0% 852.31 7.62 16.82 1.82 4,423.37 0.006 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 75.0% 900.51 7.62 102.85 3.43 8,184.34 0.0030 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 75.0% 900.51 -7.62 102.85 3.43 8,184.34 0.003334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950 Ballast step: 1 0.00 0.00 119.94 13.50

Grand Total / System COG 16,249.91 0.01 58.14 3.49 69,752.86 0.00 0.00

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.67 mtr 51.40 ftLong. Cntr. Boyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 4.29 mtr 14.08 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.38 mtr 37.32 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -1.11 ft -0.34 mtr Heel = sin(Ha) * W 0.02 mtr 0.06 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 18.08 ft 5.51 mtr Draft Port side =Ad + Heel/2 5.35 mtr 17.56 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 16.98 ft 5.17 mtr Draft Starboard side=Ad - Heel/2 5.33 mtr 17.50 ftTrim angle (Ta) = -0.16 deg. Heel angle (Ha) = atan(TCG/G'M) 0.03 deg.

Freeboard at jetty 7.94 ft 2.42 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.43 ft 2.27 mtr 17.50 ftBarge - Jetty distance 0.51 ft 0.15 mtr above jetty 18.05 ft 16.95 ftTime involved ballast step 1 0.00 hrsTime elapsed since pre-ballast 1.04 hrs 18.08 ft 16.98 ftTime elapsed since mean tide 1.04 hrs

18.11 ft 17.00 ft17.56 ft

BOA 7-8-9

sternbowstar board side

port side

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 6, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 2Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 1 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 70.0% 795.49 7.62 16.82 1.70 4,423.37 56.82 0.046 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 75.0% 900.51 7.62 102.85 3.43 8,184.34 0.0030 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 75.0% 900.51 -7.62 102.85 3.43 8,184.34 0.003334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950 Ballast step: 2 6.24 47.68 119.94 13.50

Grand Total / System COG 16,199.33 0.00 58.31 3.50 69,752.86 56.82 0.04

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.66 mtr 51.39 ftLong. Cntr. Boyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 4.31 mtr 14.13 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.36 mtr 37.26 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -0.99 ft -0.30 mtr Heel = sin(Ha) * W 0.00 mtr -0.01 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 18.02 ft 5.49 mtr Draft Port side =Ad + Heel/2 5.34 mtr 17.52 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 17.03 ft 5.19 mtr Draft Starboard side=Ad - Heel/2 5.34 mtr 17.53 ftTrim angle (Ta) = -0.14 deg. Heel angle (Ha) = atan(TCG/G'M) -0.01 deg.

Freeboard at jetty 7.89 ft 2.40 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.43 ft 2.27 mtr 17.53 ftBarge - Jetty distance 0.45 ft 0.14 mtr above jetty 18.03 ft 17.04 ftTime involved ballast step 2 0.04 hrsTime elapsed since pre-ballast 1.07 hrs 18.02 ft 17.03 ftTime elapsed since mean tide 1.07 hrs

18.01 ft 17.02 ft17.52 ft

BOA 7-8-9

sternbowstar board side

port side

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 7, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 3Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 1 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 65.0% 738.67 7.62 16.82 1.58 4,423.37 56.82 0.046 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 75.0% 900.51 7.62 102.85 3.43 8,184.34 0.0030 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 75.0% 900.51 -7.62 102.85 3.43 8,184.34 0.003334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950 Ballast step: 3 18.72 31.79 119.94 13.50

Grand Total / System COG 16,154.99 -0.01 58.50 3.50 69,752.86 56.82 0.04

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.66 mtr 51.36 ftLong. Cntr. Boyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 4.32 mtr 14.17 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.34 mtr 37.20 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -0.86 ft -0.26 mtr Heel = sin(Ha) * W -0.03 mtr -0.09 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 17.95 ft 5.47 mtr Draft Port side =Ad + Heel/2 5.33 mtr 17.48 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 17.09 ft 5.21 mtr Draft Starboard side=Ad - Heel/2 5.35 mtr 17.57 ftTrim angle (Ta) = -0.12 deg. Heel angle (Ha) = atan(TCG/G'M) -0.05 deg.

Freeboard at jetty 7.82 ft 2.38 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.43 ft 2.27 mtr 17.57 ftBarge - Jetty distance 0.39 ft 0.12 mtr above jetty 17.99 ft 17.14 ftTime involved ballast step 3 0.04 hrsTime elapsed since pre-ballast 1.11 hrs 17.95 ft 17.09 ftTime elapsed since mean tide 1.11 hrs

17.91 ft 17.05 ft17.48 ft

BOA 7-8-9

sternbowstar board side

port side

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 8, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 4Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 2 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 65.0% 738.67 7.62 16.82 1.58 4,423.37 0.006 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 70.0% 840.48 7.62 102.70 3.23 7,638.72 60.03 0.0430 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 70.0% 840.48 -7.62 102.70 3.23 7,638.72 60.03 0.043334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950 Ballast step: 4 37.43 23.84 119.94 13.50

Grand Total / System COG 16,053.64 0.01 58.22 3.50 68,661.61 120.07 0.04

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.66 mtr 51.39 ftLong. Cntr. Boyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 4.28 mtr 14.03 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.39 mtr 37.36 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -1.04 ft -0.32 mtr Heel = sin(Ha) * W 0.02 mtr 0.07 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 18.05 ft 5.50 mtr Draft Port side =Ad + Heel/2 5.35 mtr 17.56 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 17.01 ft 5.18 mtr Draft Starboard side=Ad - Heel/2 5.33 mtr 17.49 ftTrim angle (Ta) = -0.15 deg. Heel angle (Ha) = atan(TCG/G'M) 0.04 deg.

Freeboard at jetty 7.91 ft 2.41 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.43 ft 2.27 mtr 17.49 ftBarge - Jetty distance 0.47 ft 0.14 mtr above jetty 18.01 ft 16.97 ftTime involved ballast step 4 0.04 hrsTime elapsed since pre-ballast 1.15 hrs 18.05 ft 17.01 ftTime elapsed since mean tide 1.15 hrs

18.08 ft 17.05 ft17.56 ft

BOA 7-8-9

sternbowstar board side

port side

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 9, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 5Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 0 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 65.0% 738.67 7.62 16.82 1.58 4,423.37 0.006 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 70.0% 840.48 7.62 102.70 3.23 7,638.72 0.0030 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 70.0% 840.48 -7.62 102.70 3.23 7,638.72 0.003334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950 Ballast step: 5 62.39 19.07 119.94 13.50

Grand Total / System COG 16,078.59 0.03 58.32 3.51 68,661.61 0.00 0.00

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.65 mtr 51.34 ftLong. Cntr. Boyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 4.27 mtr 14.01 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.38 mtr 37.33 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -0.97 ft -0.30 mtr Heel = sin(Ha) * W 0.07 mtr 0.24 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 18.01 ft 5.49 mtr Draft Port side =Ad + Heel/2 5.38 mtr 17.64 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 17.04 ft 5.19 mtr Draft Starboard side=Ad - Heel/2 5.31 mtr 17.41 ftTrim angle (Ta) = -0.14 deg. Heel angle (Ha) = atan(TCG/G'M) 0.14 deg.

Freeboard at jetty 7.88 ft 2.40 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.43 ft 2.27 mtr 17.41 ftBarge - Jetty distance 0.44 ft 0.14 mtr above jetty 17.89 ft 16.92 ftTime involved ballast step 5 0.00 hrsTime elapsed since pre-ballast 1.15 hrs 18.01 ft 17.04 ftTime elapsed since mean tide 1.15 hrs

18.13 ft 17.16 ft17.64 ft

BOA 7-8-9

sternbowstar board side

port side

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 10, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 6Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 0 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 65.0% 738.67 7.62 16.82 1.58 4,423.37 0.006 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 70.0% 840.48 7.62 102.70 3.23 7,638.72 0.0030 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 70.0% 840.48 -7.62 102.70 3.23 7,638.72 0.003334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950 Ballast step: 6 89.56 10.04 119.10 13.50

Grand Total / System COG 16,105.76 0.01 58.42 3.53 68,661.61 0.00 0.00

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.63 mtr 51.28 ftLong. Cntr. Boyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 4.26 mtr 13.99 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.37 mtr 37.30 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -0.91 ft -0.28 mtr Heel = sin(Ha) * W 0.02 mtr 0.08 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 17.98 ft 5.48 mtr Draft Port side =Ad + Heel/2 5.35 mtr 17.56 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 17.07 ft 5.20 mtr Draft Starboard side=Ad - Heel/2 5.33 mtr 17.48 ftTrim angle (Ta) = -0.13 deg. Heel angle (Ha) = atan(TCG/G'M) 0.04 deg.

Freeboard at jetty 7.85 ft 2.39 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.43 ft 2.27 mtr 17.48 ftBarge - Jetty distance 0.41 ft 0.13 mtr above jetty 17.94 ft 17.03 ftTime involved ballast step 6 0.00 hrsTime elapsed since pre-ballast 1.15 hrs 17.98 ft 17.07 ftTime elapsed since mean tide 1.15 hrs

18.02 ft 17.11 ft17.56 ft

BOA 7-8-9

sternbowstar board side

port side

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 11, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 7Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 0 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 65.0% 738.67 7.62 16.82 1.58 4,423.37 0.006 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 70.0% 840.48 7.62 102.70 3.23 7,638.72 0.0030 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 70.0% 840.48 -7.62 102.70 3.23 7,638.72 0.003334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950 Ballast step: 7 129.58 4.70 117.88 13.50

Grand Total / System COG 16,145.79 -0.01 58.56 3.55 68,661.61 0.00 0.00

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.61 mtr 51.20 ftLong. Cntr. Boyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 4.25 mtr 13.95 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.35 mtr 37.25 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -0.82 ft -0.25 mtr Heel = sin(Ha) * W -0.02 mtr -0.08 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 17.93 ft 5.46 mtr Draft Port side =Ad + Heel/2 5.33 mtr 17.48 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 17.11 ft 5.22 mtr Draft Starboard side=Ad - Heel/2 5.35 mtr 17.56 ftTrim angle (Ta) = -0.12 deg. Heel angle (Ha) = atan(TCG/G'M) -0.05 deg.

Freeboard at jetty 7.80 ft 2.38 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.43 ft 2.27 mtr 17.56 ftBarge - Jetty distance 0.37 ft 0.11 mtr above jetty 17.97 ft 17.15 ftTime involved ballast step 7 0.00 hrsTime elapsed since pre-ballast 1.15 hrs 17.93 ft 17.11 ftTime elapsed since mean tide 1.15 hrs

17.89 ft 17.07 ft17.48 ft

BOA 7-8-9

sternbowstar board side

port side

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 12, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 8Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 1 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 70.0% 795.49 7.62 16.82 1.70 4,423.37 56.82 0.046 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 70.0% 840.48 7.62 102.70 3.23 7,638.72 0.0030 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 70.0% 840.48 -7.62 102.70 3.23 7,638.72 0.003334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950 Ballast step: 8 182.47 1.74 116.79 13.50

Grand Total / System COG 16,255.50 0.00 58.59 3.58 68,661.61 56.82 0.04

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.58 mtr 51.10 ftLong. Cntr. Boyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 4.22 mtr 13.86 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.35 mtr 37.24 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -0.80 ft -0.24 mtr Heel = sin(Ha) * W 0.00 mtr 0.00 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 17.92 ft 5.46 mtr Draft Port side =Ad + Heel/2 5.34 mtr 17.52 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 17.12 ft 5.22 mtr Draft Starboard side=Ad - Heel/2 5.34 mtr 17.52 ftTrim angle (Ta) = -0.12 deg. Heel angle (Ha) = atan(TCG/G'M) 0.00 deg.

Freeboard at jetty 7.79 ft 2.38 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.43 ft 2.27 mtr 17.52 ftBarge - Jetty distance 0.36 ft 0.11 mtr above jetty 17.92 ft 17.12 ftTime involved ballast step 8 0.04 hrsTime elapsed since pre-ballast 1.19 hrs 17.92 ft 17.12 ftTime elapsed since mean tide 1.19 hrs

17.92 ft 17.12 ft17.52 ft

BOA 7-8-9

sternbowstar board side

port side

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 13, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 9Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 2 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 70.0% 795.49 7.62 16.82 1.70 4,423.37 0.006 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 65.0% 780.45 7.62 102.52 3.03 7,093.09 60.03 0.0430 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 65.0% 780.45 -7.62 102.52 3.03 7,093.09 60.03 0.043334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950 Ballast step: 9 248.22 0.11 115.91 13.50

Grand Total / System COG 16,201.18 -0.02 58.47 3.61 67,570.37 120.07 0.04

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.55 mtr 51.02 ftLong. Cntr. Boyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 4.17 mtr 13.68 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.38 mtr 37.34 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -0.88 ft -0.27 mtr Heel = sin(Ha) * W -0.05 mtr -0.16 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 17.96 ft 5.47 mtr Draft Port side =Ad + Heel/2 5.32 mtr 17.44 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 17.08 ft 5.21 mtr Draft Starboard side=Ad - Heel/2 5.37 mtr 17.60 ftTrim angle (Ta) = -0.13 deg. Heel angle (Ha) = atan(TCG/G'M) -0.09 deg.

Freeboard at jetty 7.83 ft 2.39 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.43 ft 2.27 mtr 17.60 ftBarge - Jetty distance 0.40 ft 0.12 mtr above jetty 18.04 ft 17.16 ftTime involved ballast step 9 0.04 hrsTime elapsed since pre-ballast 1.23 hrs 17.96 ft 17.08 ftTime elapsed since mean tide 1.23 hrs

17.88 ft 17.00 ft17.44 ft

BOA 7-8-9

sternbowstar board side

port side

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 14, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 10Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 1 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 75.0% 852.31 7.62 16.82 1.82 4,423.37 56.82 0.046 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 65.0% 780.45 7.62 102.52 3.03 7,093.09 0.0030 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 65.0% 780.45 -7.62 102.52 3.03 7,093.09 0.003334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950 Ballast step: 10 326.83 -0.80 115.23 13.50

Grand Total / System COG 16,336.61 -0.01 58.59 3.66 67,570.37 56.82 0.04

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.50 mtr 50.87 ftLong. Cntr. Boyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 4.14 mtr 13.57 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.37 mtr 37.30 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -0.80 ft -0.25 mtr Heel = sin(Ha) * W -0.03 mtr -0.08 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 17.92 ft 5.46 mtr Draft Port side =Ad + Heel/2 5.33 mtr 17.48 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 17.12 ft 5.22 mtr Draft Starboard side=Ad - Heel/2 5.35 mtr 17.56 ftTrim angle (Ta) = -0.12 deg. Heel angle (Ha) = atan(TCG/G'M) -0.05 deg.

Freeboard at jetty 7.80 ft 2.38 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.48 ft 2.28 mtr 17.56 ftBarge - Jetty distance 0.31 ft 0.10 mtr above jetty 17.96 ft 17.16 ftTime involved ballast step 10 0.04 hrsTime elapsed since pre-ballast 1.27 hrs 17.92 ft 17.12 ftTime elapsed since mean tide 1.27 hrs

17.88 ft 17.08 ft17.48 ft

BOA 7-8-9

sternbowstar board side

port side

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 15, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 11Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 3 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 80.0% 909.13 7.62 16.82 1.94 4,423.37 56.82 0.046 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 60.0% 720.41 7.62 102.29 2.84 6,547.47 60.03 0.0430 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 60.0% 720.41 -7.62 102.29 2.84 6,547.47 60.03 0.043334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950 Ballast step: 11 410.00 -1.35 114.58 13.50

Grand Total / System COG 16,356.53 0.00 58.38 3.69 66,479.12 176.89 0.04

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.47 mtr 50.74 ftLong. Cntr. Boyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 4.06 mtr 13.33 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.40 mtr 37.41 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -0.95 ft -0.29 mtr Heel = sin(Ha) * W 0.00 mtr -0.01 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 18.00 ft 5.49 mtr Draft Port side =Ad + Heel/2 5.34 mtr 17.52 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 17.05 ft 5.20 mtr Draft Starboard side=Ad - Heel/2 5.34 mtr 17.53 ftTrim angle (Ta) = -0.14 deg. Heel angle (Ha) = atan(TCG/G'M) 0.00 deg.

Freeboard at jetty 7.87 ft 2.40 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.48 ft 2.28 mtr 17.53 ftBarge - Jetty distance 0.39 ft 0.12 mtr above jetty 18.00 ft 17.05 ftTime involved ballast step 11 0.04 hrsTime elapsed since pre-ballast 1.31 hrs 18.00 ft 17.05 ftTime elapsed since mean tide 1.31 hrs

18.00 ft 17.05 ft17.52 ft

BOA 7-8-9

sternbowstar board side

port side

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 16, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 12Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 3 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 75.0% 852.31 7.62 16.82 1.82 4,423.37 56.82 0.046 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 55.0% 660.38 7.62 102.01 2.64 6,001.85 60.03 0.0430 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 55.0% 660.38 -7.62 102.01 2.64 6,001.85 60.03 0.043334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950 Ballast step: 12 493.17 -0.05 114.57 13.50

Grand Total / System COG 16,262.81 0.01 58.46 3.73 65,387.88 176.89 0.04

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.43 mtr 50.61 ftLong. Cntr. Boyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 4.02 mtr 13.19 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.41 mtr 37.42 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -0.89 ft -0.27 mtr Heel = sin(Ha) * W 0.01 mtr 0.05 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 17.97 ft 5.48 mtr Draft Port side =Ad + Heel/2 5.35 mtr 17.55 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 17.08 ft 5.21 mtr Draft Starboard side=Ad - Heel/2 5.33 mtr 17.50 ftTrim angle (Ta) = -0.13 deg. Heel angle (Ha) = atan(TCG/G'M) 0.03 deg.

Freeboard at jetty 7.84 ft 2.39 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.48 ft 2.28 mtr 17.50 ftBarge - Jetty distance 0.36 ft 0.11 mtr above jetty 17.94 ft 17.06 ftTime involved ballast step 12 0.04 hrsTime elapsed since pre-ballast 1.35 hrs 17.97 ft 17.08 ftTime elapsed since mean tide 1.35 hrs

17.99 ft 17.10 ft17.55 ft

BOA 7-8-9

sternbowstar board side

port side

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 17, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 13Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 2 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 75.0% 852.31 7.62 16.82 1.82 4,423.37 0.006 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 45.0% 540.31 7.62 101.13 2.22 4,910.60 120.07 0.0830 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 45.0% 540.31 -7.62 101.13 2.22 4,910.60 120.07 0.083334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950 Ballast step: 13 683.08 0.30 115.11 13.50

Grand Total / System COG 16,212.59 0.02 58.44 3.84 63,205.39 240.14 0.08

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.32 mtr 50.27 ftLong. Cntr. Boyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 3.90 mtr 12.79 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.43 mtr 37.48 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -0.90 ft -0.28 mtr Heel = sin(Ha) * W 0.05 mtr 0.17 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 17.97 ft 5.48 mtr Draft Port side =Ad + Heel/2 5.37 mtr 17.61 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 17.07 ft 5.20 mtr Draft Starboard side=Ad - Heel/2 5.32 mtr 17.44 ftTrim angle (Ta) = -0.13 deg. Heel angle (Ha) = atan(TCG/G'M) 0.10 deg.

Freeboard at jetty 7.84 ft 2.39 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.48 ft 2.28 mtr 17.44 ftBarge - Jetty distance 0.36 ft 0.11 mtr above jetty 17.89 ft 16.99 ftTime involved ballast step 13 0.08 hrsTime elapsed since pre-ballast 1.43 hrs 17.97 ft 17.07 ftTime elapsed since mean tide 1.43 hrs

18.06 ft 17.16 ft17.61 ft

BOA 7-8-9

sternbowstar board side

port side

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 18, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 14Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 1 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 70.0% 795.49 7.62 16.82 1.70 4,423.37 56.82 0.046 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 45.0% 540.31 7.62 101.13 2.22 4,910.60 0.0030 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 45.0% 540.31 -7.62 101.13 2.22 4,910.60 0.003334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950 Ballast step: 14 687.93 0.64 114.15 13.50

Grand Total / System COG 16,160.61 0.01 58.56 3.84 63,205.39 56.82 0.04

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.32 mtr 50.26 ftLong. Cntr. Boyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 3.91 mtr 12.83 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.41 mtr 37.43 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -0.82 ft -0.25 mtr Heel = sin(Ha) * W 0.02 mtr 0.06 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 17.93 ft 5.46 mtr Draft Port side =Ad + Heel/2 5.35 mtr 17.55 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 17.11 ft 5.22 mtr Draft Starboard side=Ad - Heel/2 5.33 mtr 17.49 ftTrim angle (Ta) = -0.12 deg. Heel angle (Ha) = atan(TCG/G'M) 0.04 deg.

Freeboard at jetty 7.80 ft 2.38 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.48 ft 2.28 mtr 17.49 ftBarge - Jetty distance 0.32 ft 0.10 mtr above jetty 17.90 ft 17.08 ftTime involved ballast step 14 0.04 hrsTime elapsed since pre-ballast 1.47 hrs 17.93 ft 17.11 ftTime elapsed since mean tide 1.47 hrs

17.96 ft 17.14 ft17.55 ft

BOA 7-8-9

sternbowstar board side

port side

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 19, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 15Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 0 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 70.0% 795.49 7.62 16.82 1.70 4,423.37 0.006 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 45.0% 540.31 7.62 101.13 2.22 4,910.60 0.0030 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 45.0% 540.31 -7.62 101.13 2.22 4,910.60 0.003334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39.5 sT) 143.60 2.40 77.20 8.1941 P3 (4 Nos. at 23.5 sT) 85.00 -1.80 62.00 8.29424344454647484950 Ballast step: 15 697.61 0.96 113.21 13.50

Grand Total / System COG 16,170.29 0.02 58.55 3.85 63,205.39 0.00 0.00

HYDROSTATICS

Average draft Ad = 17.50 ft 5.33 mtr Transverse stability GM=KM-VCG 15.31 mtr 50.24 ftLong. Cntr. Boyancy LCB = 196.09 ft 59.77 mtr Correction factor GG' = 3.91 mtr 12.82 ftLong. Cntr Flotation LCF = 207.01 ft 63.10 mtr Corrected stability G'M = 11.41 mtr 37.42 ftMoment to change trim MT1 = 2,884.08 ft*tons 784.88 mT*mtrMetacentric Height KM = 62.86 ft 19.16 mtr

Trim = Weight*(LCG-LCB)/MT1 -0.82 ft -0.25 mtr Heel = sin(Ha) * W 0.06 mtr 0.19 ftDraft bow (Db) = Ad-(Trim*(LCF/L)) 17.93 ft 5.47 mtr Draft Port side =Ad + Heel/2 5.37 mtr 17.62 ftDraft stern(Ds)=Ad+(Trim((L-LCF)/L)) 17.11 ft 5.22 mtr Draft Starboard side=Ad - Heel/2 5.31 mtr 17.43 ftTrim angle (Ta) = -0.12 deg. Heel angle (Ha) = atan(TCG/G'M) 0.11 deg.

Freeboard at jetty 7.81 ft 2.38 mtr BARGE DRAFT BEHAVIOURJetty - water distance 7.48 ft 2.28 mtr 17.43 ftBarge - Jetty distance 0.32 ft 0.10 mtr above jetty 17.84 ft 17.02 ftTime involved ballast step 15 0.00 hrsTime elapsed since pre-ballast 1.47 hrs 17.93 ft 17.11 ftTime elapsed since mean tide 1.47 hrs

18.03 ft 17.20 ft17.62 ft

BOA 7-8-9

sternbowstar board side

port side

sternbowstar board side

port side

barge stab BOA 7-8-9 c-jacket.xls Barge Ballast Calculations Page 20, 5/7/2006, MvD

Ballast calculationsPROJECT Gulf Marine, C-jacket ENG. No. 23e081 Rev. 0

Ballast step: 16Barge details: Ballasting with (tick one):Name fresh water 1,000 kg/m^3 62.37 LBS/ft^3Length (L) 393 ft 6 inch 119.94 mtr salt water 1,025 kg/m^3 63.93 LBS/ft^3 xWidth (W) 100 ft 1 inch 30.51 mtr Pump info:Height (H) 24 ft 11 inch 7.59 mtr Capacity = 1500 mT/hr 3,303,965 LBS/hrMax. draft 19 ft 0 inch 5.79 mtr Pumps = 1 Nos. per tank 1 Nos. tanks in use

BALLAST INFOFree Surface Pumped time

No. Description Capacity %-filled Weight TCG LCG VCG Correction Quantity involvedm^3 mT mtr mtr mtr mT*mtr mT hrs

1 Tank 1 portside bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.002 Tank 1 port center bow 168.4 5.0% 8.63 0.00 4.78 0.25 303.69 0.003 Tank 1 starboard center bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.004 Tank 1 starboard side bow 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.005 Tank 2 portside 1108.7 65.0% 738.67 7.62 16.82 1.58 4,423.37 56.82 0.046 Tank 2 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.007 Tank 2 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.008 Tank 2 starboard side 1108.7 90.0% 1022.78 -7.62 16.82 2.18 4,423.37 0.009 Tank 3 portside 1678.2 95.0% 1634.15 7.62 29.99 3.49 4,423.37 0.00

10 Tank 3 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0011 Tank 3 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0012 Tank 3 starboard side 1678.2 95.0% 1634.15 -7.62 29.99 3.49 4,423.37 0.0013 Tank 4 portside 1692.0 50.0% 867.15 7.62 44.96 1.85 4,423.37 0.0014 Tank 4 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0015 Tank 4 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0016 Tank 4 starboard side 1692.0 50.0% 867.15 -7.62 44.96 1.85 4,423.37 0.0017 Tank 5 portside 1693.8 5.0% 86.81 7.62 59.95 0.19 4,423.37 0.0018 Tank 5 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0019 Tank 5 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0020 Tank 5 starboard side 1693.8 5.0% 86.81 -7.62 59.95 0.19 4,423.37 0.0021 Tank 6 portside 1692.0 5.0% 86.72 7.62 74.95 0.19 4,423.37 0.0022 Tank 6 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0023 Tank 6 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0024 Tank 6 starboard side 1692.0 5.0% 86.72 -7.62 74.95 0.19 4,423.37 0.0025 Tank 7 portside 1685.2 95.0% 1640.96 7.62 89.92 3.50 4,423.37 0.0026 Tank 7 port center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0027 Tank 7 starboard center 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0028 Tank 7 starboard side 1685.2 95.0% 1640.96 -7.62 89.92 3.50 4,423.37 0.0029 Tank 8 portside stern 1171.4 45.0% 540.31 7.62 101.13 2.22 4,910.60 0.0030 Tank 8 port center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0031 Tank 8 starboard center stern 0.0 5.0% 0.00 0.00 0.00 0.00 0.00 0.0032 Tank 8 starboard side stern 1171.4 45.0% 540.31 -7.62 101.13 2.22 4,910.60 0.003334 Light ship 3502.00 0.00 56.64 4.883536 Ramps 7.00 11.00 119.00 7.5937 Ramps 10.20 -3.50 119.00 7.5938 Ramps 10.20 -10.50 119.00 7.5939 P1 (4 Nos. at 48.3 sT) 175.60 7.30 87.90 8.1940 P2 (4 Nos. at 39