Offshore Marine Contractors

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133 West 113th St.
Cut Off, LA 70345
Phone: 985-632-7927
Fax: 985-632-3704

Tram Shipyard
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ISN
Offshore Marine Contractors

OFFSHORE
MARINE
CONTRACTORS, INC.

Toll Free: 877-632-7927 | Local: 985-632-7927

L/B Courtney Gabrielle

175ft Class Liftboat

L/B Courtney Gabrielle Main Crane Load Chart
MAIN HOIST RAM100 TON 100 FT BOOM MAXIMUM SAFE WORKING LOAD SERIAL NO. 100-10-2846

Boom Radius (ft)Boom Angle (degrees)Static Rating (X 1000 lbs)Dynamic Rating (X 1000 lbs)
23<81/td>200.000133.333
2580200.000133.333
3077200.000133.333
3574175.210116.807
4071151.970101.318
4568133.90089.267
5065119.44079.627
5562107.60071.733
605897.74065.160
655589.40059.600
705182.24054.827
754776.05050.700
804370.61047.073
853965.82043.880
903461.56041.040
952857.74038.493
1002154.30036.200
105949.00032.667
106045.00030.000

AUXILIARY HOIST MAXIMUM SAFE WORKING LOAD 12,000LBS AT ALL RADII.

Basis of Rating:

Static rating are for lifting and landing loads on the platform.

Dynamic rating are for lifting and landing loads on a floating vessel.

Rating does not include weight of hook block, overhaul ball, slings and rigging.

Load chart radius from center of rotation to center of gravity of load.

Rigging:

Main Hoist: Eight part reeving of 1" wire rope rotation resistant right regularly with a minimum breaking strength of 127,000lbs.

Auxiliary Hoist: One part reeving of 3/4" wire rope rotation resistant right regular lay with a minimum breaking strength of 69,000lbs.

Boom Hoist: Ten part reeving of 1" wire rope 6x19 EEIP IWRC (or equal) right regular lay with a minimum breaking strength of 115,000lbs.

Pendants: 2" wire rope 6x19 EEIP IWRC right regular lay with a minimum breaking strength of 432,000lbs ea.



L/B Courtney Gabrielle Auxiliary Crane Load Chart
MAIN HOIST RAM 20 TON 70FT BOOM MAXIMUM SAFE WORKING LOAD SERIAL NO. 020-1-2947

Boom Radius (ft)Boom Angle (degrees)Static Rating (X 1000 lbs)Dynamic Rating (X 1000 lbs)
108240.00026.667
157840.00026.667
207340.00026.667
256939.70226.468
306432.38821.592
356027.16318.108
405523.24315.465
455020.19313.462
504417.75211.835
553815.75410.502
603014.0869.391
652012.6728.448
69111.7157.810
Basis of Rating:
Static rating are for lifting and landing loads on the platform.
Dynamic rating are for lifting and landing loads on a floating vessel.
Rating does not include weight of hook block, overhaul ball, slings, and rigging.
Load chart radius from boom heel pin to center of gravity of load.

Rigging:
Main Hoist: Four part reeving of 3/4" wire rope rotation resistant right regular lay with a minimum breaking strength of 50,000lbs.
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