858-B115-01_WEIGHT_ESTIMATE.pdf

REV ZONE BY CHECK

2 ALL JEL GWB

GENERAL NOTES

1. Origin taken at frame 0, on CL, at the Molded Baseline.

2. LCG is positive aft of the origin. VCG is positive above origin. TCG is positive to Stbd of origin.

3. Structural weight take-offs were conducted using 3D modeling software Rhino3D with plugin Orca3D.

NO. REV

DATE

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TITLE:

LIGHT SHIP WEIGHT ESTIMATE

FOR:

ARMY CORPS OF ENGINEERS

16-May-19

SCALE:

N.T.S.

VESSEL:

BANK GRADING UNIT

BRISTOL HARBOR GROUP

DWG. NO:

3211-B115-01

REV:

99 POPPASQUASH RD, UNIT H, BRISTOL, R.I. 02809 DRAWN BY:

JEL

CHECK BY:

GWB

HULL NO:

DRAWING TITLE

REFERENCES

1. UPDATED FOR DESIGN DEVELOPMENT 19-Aug-19

REVISION HISTORY

DESCRIPTION DATE

1. ADDED CRANE PEDESTAL AND SUPPORTING

STRUCTURE

2. ADDED WINCH HOUSES

3. REVISED SWBS CATEGORIES

17-May-19 JEL GWB1 ALL

SUMMARY

Lightship Weight Estimate

ESWBS DESCRIPTION QTY UNIT LBS WEIGHT LCG VCG TCG L-Mom V-Mom T-Mom

ACCOUNT UNIT LBS ft ft ft ft-lb ft-lb ft-lb

300 Hull Structure 1233586 64.23 6.11 0.01 79235128 7542614 10553

500 Machine 1600950 64.73 30.63 0.00 103622297 49043295 0

600 Equipment 165240 48.70 13.87 4.25 8046492 2292665 702052

Subtotal = 2999776 63.64 19.63 0.24 190903917 58878573 712605

Design/Build Margin 10% 0.25 ft (VCG margin)

Total Lightship Weight = 3139659 63.64 19.88 0.24 199805958 62409055 745835

Total Lightship Weight (LT) = 1401.6

Assumptions and Explanations

*Origin taken at frame 0, on CL, at the Molded Baseline.

**LCG is positive aft of the origin. VCG is positive above origin. TCG is positive to stbd of origin.

ESWBS SUMMARY Page 2

300 - Hull Structure

ESWBS DESCRIPTION QTY UNIT LBS WEIGHT LCG VCG TCG L-Mom V-Mom T-Mom

ACCOUNT UNIT LBS ft AFP ft ABL ft (+STBD) ft-lb ft-lb ft-lb

Shell Plating

Deck 1/2 - ft

20.40 158036 63.32 11.80 -0.51 10007115 1864718 -80024

Deck Insert Plates 1 - ft

40.80 34437 80.40 11.83 4.65 2768881 407284 160048

Bottom 1/2 - ft

20.40 177562 65.00 0.00 0.00 11541504 0 0

Side Shell 3/4 - ft

30.60 72222 65.00 5.77 0.00 4694440 416644 0

End Bulkheads (Incl. Timberhead Fenders) 3/4 - ft

30.60 49169 59.35 6.41 0.00 2918117 315214 0

Apron 3/4 - ft

30.60 20803 65.00 9.31 0.00 1352178 193751 0

Apron Wear Plates 1/2 - ft

20.40 9266 65.00 9.21 0.00 602270 85352 0

Bilge Radius 1 - ft

40.80 25379 65.00 0.36 0.00 1649638 9257 0

Internal Plating

Inner Bottom 1/2 - ft

20.40 2856 18.00 3.00 -8.75 51408 8568 -24990

Inner Bottom Floors 1/2 - ft

20.40 3213 18.00 1.50 -8.75 57834 4820 -28114

Transverse Bulkhead (WT) 1/2 - ft

20.40 70399 62.41 5.83 -0.53 4393324 410739 -37051

Transverse Bulkhead (NT) 1/2 - ft

20.40 21011 56.31 5.89 1.76 1183098 123663 37051

Longitudinal Bulkhead (WT) 1/2 - ft

20.40 62525 65.00 5.90 0.00 4064157 368739 0

Longitudinal Bulkhead (NT) 1/2 - ft

20.40 71743 64.05 5.93 -0.18 4595053 425741 -12703

CL Longitudinal Bulkhead 3/4 - ft

30.60 46894 65.00 5.90 0.00 3048118 276554 0

Brackets 1/2 - ft

20.40 20916 65.00 6.00 0.00 1359548 125497 0

Transverse Structure

Main Deck Transverse L6"x3 1/2"x1/2" - ft 15.30 44001 65.00 11.78 0.00 2860042 518203 0

MDT IWO Apron L12"x3"x1/2" - ft 24.65 30904 65.00 11.25 0.00 2008768 347749 0

MDT IWO Winch Foundations L12"x4"x1/2" - ft 26.35 1845 65.00 11.95 0.00 119901 22039 0

Bottom Transverse L7"x4"x1/2" - ft 17.90 71779 65.00 0.00 0.00 4665635 0 0

Side Shell Vertical Stiffener L6"x3 1/2"x1/2" - ft 15.30 13726 63.76 6.21 0.00 875224 85250 0

Side Shell Vertical Stiffener IWO Apron L18"x3"x1/2" - ft 34.85 7212 65.00 3.87 0.00 468772 27946 0

Bulkhead Vertical L5"x3"x1/2" - ft 12.80 62655 63.66 5.83 -0.05 3988705 365394 -3407

End Bulkhead Vertical L20"x3 1/2"x1/2" - ft 39.10 21936 65.00 6.40 0.00 1425840 140312 0

Fender Vertical Stiffeners 4"x3/4" FB - ft 10.20 669 -0.87 6.53 0.00 -586 4372 0

Truss Structure

Deck Chord L14"x3 1/2"x1/2" - ft 28.90 4391 65.00 11.90 0.00 285433 52238 0

Deck Chord IWO Machine L20"x4"x1/2" - ft 39.95 3036 65.00 11.90 0.00 197353 36118 0

Bottom Chord L16"x3 1/2"x1/2" - ft 32.30 8266 65.00 0.00 0.00 537306 0 0

Bulkhead Vertical L5"x3"x1/2" - ft 12.80 2778 59.22 6.13 -1.08 164506 17035 -2989

End Bulkhead Vertical L24"x3"x1/2" - ft 45.05 1963 65.00 6.45 0.00 127595 12657 0

Stanchion L6"x6"x5/8" - ft 24.20 5758 64.60 5.95 0.00 371940 34246 0

Diagonal L5"x5"x1/2" - ft 16.20 6636 66.44 5.95 0.31 440954 39473 2032

Deckhouse

Plating 3/8 - ft

15.30 7130 65.00 20.00 0.00 463437 142596 0

300 - Hull Structure Page 3

ESWBS DESCRIPTION QTY UNIT LBS WEIGHT LCG VCG TCG L-Mom V-Mom T-Mom

Stanchions 6" Sch 80 - ft 28.57 1744 65.00 16.00 0.00 113354 27903 0

Stiffeners L4x4x1/2" - ft 9.80 2646 65.00 20.00 0.00 171990 52920 0

Doubler 1/2 - ft

20.40 64 65.00 16.00 0.00 4166 1025 0

Drain Pipe 1 1/2" Sch 40 10 ft 2.72 79 65.00 16.00 0.00 5127 1262 0

Winch Foundation

Base Plate 1 - ft

40.80 3093 65.00 12.75 0.00 201022 39431 0

Longitudinal Stiffener 3/4 - ft

30.60 1017 65.00 12.44 0.00 66093 12647 0

Transverse Stiffener L8"x8"x1/2" - ft 26.40 1232 65.00 12.70 0.00 80080 15644 0

Longitudinal Under Deck Stiffener 1/2 - ft

20.40 816 65.00 11.75 0.00 53040 9588 0

SUBTOTAL 1151807

ESTIMATING MARGIN 5.0% 57590 LBS

300 - Hull Structure TOTAL WEIGHT = 1209398 LBS

Weight LCG VCG TCG

(LT) ft ft ft

*Welding, Misc Deck Gear, etc. add 2.0% 550.7 64.2 6.1 0.0

1233586 LB

616.8 ST

300 - Hull Structure Page 4

500 - Machine

ESWBS DESCRIPTION QTY UNIT LBS WEIGHT LCG VCG TCG L-Mom V-Mom T-Mom

ACCOUNT UNIT LBS ft AFP ft ABL ft (+STBD) ft-lb ft-lb ft-lb

Machinery

Ringer Machine 1 ea 1239101 1239101 78.23 30.21 0.00 96934856 37433235 0

Boom 1 ea 147011 147011 -49.50 32.21 0.00 -7277054 4735231 0

Crane Margin 1 ea 214838 214838 65.00 32.00 0.00 13964496 6874829 0

SUBTOTAL 1600950 LBS

ESTIMATING MARGIN 0% 0 LBS

500 - Machine TOTAL WEIGHT = 1600950 LBS

Weight LCG VCG TCG

(LT) ft ft ft

*Welding, Misc Deck Gear, etc. add 0.0% 714.71 64.73 30.63 0.00

1600950 LB

800.48 ST

500 - Machine Page 5

600 - Equipment

ESWBS DESCRIPTION QTY UNIT LBS WEIGHT LCG VCG TCG L-Mom V-Mom T-Mom

ACCOUNT UNIT LBS ft AFP ft ABL ft (+STBD) ft-lb ft-lb ft-lb

Machinery

Double Drum Travel Winch 2 ea 6000 12000 65.00 15.00 0.00 780000 180000 0

Mooring Winch 1 ea 1361 1361 13.00 13.00 0.00 17693 17693 0

Fuel Hose Reel 1 ea 154 154 34.67 18.00 -7.67 5339 2772 -1181

Rescue Skiff Davit 1 ea 1560 1560 13.00 23.50 -27.50 20280 36660 -42900

Davit Hoist Winch 1 ea 36 36 13.00 24.00 -27.50 468 864 -990

Exhaust Fan 2 ea 350 700 17.00 12.00 1.00 11900 8400 700

Air Compressor/Receiver 1 ea 1095 1095 20.17 6.50 6.00 22083 7118 6570

Fuel Transfer Pump 1 ea 40 40 20.50 3.00 2.31 820 120 93

Heater 1 ea 25 25 39.50 11.00 12.83 988 275 321

Timberhead Hoist Winch 2 ea 773 1546 3.00 16.25 0.00 4638 25123 0

Electrical

Shore Power Cable Reel 1 ea 175 175 15.00 13.00 7.27 2625 2275 1272

Main Switchboard 1 ea 2034 2034 35.58 6.00 5.83 72377 12204 11865

Main Transformer 2 ea 280 560 28.83 4.00 1.46 16147 2240 817

Shore Power Isolation Transformer 1 ea 280 280 23.67 4.00 1.46 6627 1120 408

Low-V Distribution Panel 1 ea 100 100 23.21 6.00 9.58 2321 600 958

Travel Winch Motor Controller 2 ea 1725 3450 24.67 6.00 7.08 85100 20700 24438

Mooring Winch Motor Controller 1 ea 575 575 26.48 4.00 9.50 15226 2300 5463

Exhaust Fan Motor Controller 1 ea 575 575 25.25 4.00 9.50 14519 2300 5463

Outfitting

Timberhead 2 ea 6700 13400 1.00 14.25 0.00 13400 190950 0

Rescue Skiff 1 ea 700 700 30.00 15.75 -24.83 21000 11025 -17383

Anchor 1 ea 7200 7200 116.00 13.00 17.50 835200 93600 126000

Drag Bucket 1 ea 50000 50000 21.50 16.00 17.50 1075000 800000 875000

Rake 1 ea 22325 22325 116.00 13.00 -17.50 2589700 290225 -390688

Winch Control Stations 2 ea 150 300 65.00 15.00 0.00 19500 4500 0

Incandescent Cage Light 12 ea 50 600 65.00 18.00 0.00 39000 10800 0

4' LED Fixture 16 ea 150 2400 32.00 6.00 0.00 76800 14400 0

Duplex Receptacles (WT & NWT) 12 ea 25 300 65.00 18.00 0.00 19500 5400 0

Exit/Emergency Light 2 ea 20 40 65.00 18.00 0.00 2600 720 0

Floodlight 4 ea 30 120 65.00 18.00 0.00 7800 2160 0

Deck Fittings

60" Kevel 8 ea 390 3120 65.00 12.67 0.00 202800 39520 0

16" Cleat 2 ea 34 68 129.00 12.25 0.00 8772 833 0

20" Single Bitt 2 ea 400 800 104.00 13.67 0.00 83200 10933 0

20" Double Bitt 4 ea 1150 4600 66.00 13.67 0.00 303600 62867 0

600 - Equipment Page 6

ESWBS DESCRIPTION QTY UNIT LBS WEIGHT LCG VCG TCG L-Mom V-Mom T-Mom

Balanced Swivel Head Fairlead 2 ea 365 730 125.17 12.50 0.00 91372 9125 0

Single Fairlead 4 ea 488 1952 65.00 12.25 0.00 126880 23912 0

Double Fairlead 2 ea 645 1290 4.00 12.25 0.00 5160 15803 0

27" Roller Button 5 ea 952 4760 46.00 13.00 0.00 218960 61880 0

Padeye 4 ea 200 800 65.00 0.00 0.00 52000 0 0

18" Twist Lock Hatch 17 ea 80 1360 80.00 12.00 -2.00 108800 16320 -2720

18"x24" Raised Cleanout Hatch 1 ea 106 106 18.00 4.58 0.00 1908 486 0

Machinery Space Hatch 1 ea 450 450 33.00 12.00 15.50 14850 5400 6975

SUBTOTAL 143687 LBS

ESTIMATING MARGIN 15% 21553 LBS

600 - Equipment TOTAL WEIGHT = 165240 LBS

Weight LCG VCG TCG

(LT) ft ft ft

*Welding, Misc Deck Gear, etc. add 0.0% 73.77 48.70 13.87 4.25

165240 LB

82.62 ST

600 - Equipment Page 7