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structuralwith-tool

Marine Fender Mooring Berthing Structure Package

Calculates source-bound marine structural metrics from a deterministic SSC-14 task-owned source pack. The template combines berthing energy, fender demand and reaction, mooring line demand, water-level margin, support load combination, and overall pass scoring.

with-tool: The model is given an executable Python calculator script.

Standards

PIANC berthing energy workflowfender schedulefreeboard checkmooring line screening

Tags

berthingdeterministicfendermarinemooringstructuralwater-level

How this task is generated

One template produces many comparable benchmark tasks while keeping the scoring contract fixed.

  1. 01

    Template

    The reusable contract shown on this page.

  2. 02

    Scenario

    An archetype and site context are sampled.

  3. 03

    Difficulty tier

    Inputs may be hidden at harder tiers.

  4. 04

    Task prompt

    The model responds with the declared outputs.

Parameters

Inputs the model receives, and the outputs it is scored on.

Inputs

18 inputs

Always given

Included directly in every task prompt.

18
Show 18 inputs

  • Vessel displacement

    vessel_displacement_t

    VESSEL-SSC14-005 vessel displacement

    18000 t

  • Berthing velocity

    berthing_velocity_m_s

    VESSEL-SSC14-005 berthing velocity

    0.16 m/s

  • Berthing coefficient

    berthing_coefficient

    VESSEL-SSC14-005 berthing coefficient

    1.45

  • Fender demand factor

    fender_demand_factor

    FENDER-SSC14-005 fender energy demand factor

    1.1

  • Fender energy capacity

    fender_energy_capacity_kj

    FENDER-SSC14-005 selected fender energy capacity

    420 kJ

  • Fender stroke

    fender_stroke_m

    FENDER-SSC14-005 fender stroke at design demand

    0.42 m

  • Wind pressure

    wind_pressure_kpa

    BERTH-SSC14-005 wind pressure for mooring demand

    0.85 kPa

  • Vessel projected area

    vessel_projected_area_m2

    VESSEL-SSC14-005 vessel projected area

    260 m2

  • Wind drag coefficient

    wind_drag_coefficient

    VESSEL-SSC14-005 wind drag coefficient

    1.15

  • Active mooring line count

    active_mooring_line_count

    FENDER-SSC14-005 active mooring line count

    4

  • Mooring line angle

    mooring_line_angle_deg

    FENDER-SSC14-005 mooring line horizontal angle

    25 deg

  • Mooring line capacity

    mooring_line_capacity_kn

    FENDER-SSC14-005 mooring line capacity

    95 kN

  • Design water level

    design_water_level_m

    WATER-SSC14-005 design water level

    2.7 m

  • Deck level

    deck_level_m

    BERTH-SSC14-005 berth deck level

    4.05 m

  • Required freeboard

    required_freeboard_m

    WATER-SSC14-005 required freeboard

    0.8 m

  • Vertical support load

    vertical_support_load_kn

    BERTH-SSC14-005 vertical support load

    115 kN

  • Vertical load factor

    vertical_load_factor

    BERTH-SSC14-005 vertical load factor

    1.25

  • Fender reaction combination factor

    fender_reaction_combination_factor

    BERTH-SSC14-005 fender reaction combination factor

    0.35

Scored outputs

10 outputs

Berthing energy kj

berthing_energy_kj

Source-owned vessel berthing energy

Scores if within ±3% of the reference value.

Fender energy demand kj

fender_energy_demand_kj

Factored fender energy demand

Scores if within ±3% of the reference value.

Fender energy utilization

fender_energy_utilization

Fender energy demand divided by capacity

Scores if within ±3% of the reference value.

Fender reaction kn

fender_reaction_kn

Fender energy demand divided by stroke

Scores if within ±3% of the reference value.

Mooring wind force kn

mooring_wind_force_kn

Wind force for mooring demand

Scores if within ±3% of the reference value.

Mooring line demand kn

mooring_line_demand_kn

Demand per active mooring line

Scores if within ±3% of the reference value.

Mooring utilization

mooring_utilization

Mooring line demand divided by line capacity

Scores if within ±3% of the reference value.

Water level margin

water_level_margin_m

Deck level minus design water level and required freeboard

Scores if within ±3% of the reference value.

Combined support load kn

combined_support_load_kn

Vertical support load plus combined fender reaction component

Scores if within ±3% of the reference value.

Overall pass score

overall_pass_score

1.0 when fender, mooring, and water-level checks pass

Scores if within ±3% of the reference value.

Difficulty

Each template is sampled at three tiers. Harder tiers may hide inputs, forcing the model to infer them from the scenario description.

All inputs remain visible at every tier

For this template, difficulty scales through parameter and scenario ranges rather than hidden information.

easy:
All source-pack values given for the SSC-14 marine berthing package
medium:
All source-pack values given for the SSC-14 marine berthing package
hard:
All source-pack values given for the SSC-14 marine berthing package

Task bundle

The exact instruction and parameter contract used to generate this task, pinned to the published library source.

/workspace

  • instruction.md
  • marine-fender-mooring-berthing-structure-package_calc.py

Teal lines show Jinja input conditions, not task visibility policy. A line renders only when that input or tool is visible.

1You are a structural engineer checking a task-owned synthetic SSC-14 marine fender, mooring, and berthing structure package.2 3Use only the task-owned synthetic source pack values below for numeric grading. Berthing energy, fender, mooring, water-level, and structural support workflows shape the context only; they are not extra data sources for this instance.4 5## Scene6 7- Product: `SSC-14-LH-05`8- Berth layout: `BERTH-SSC14-005`9- Vessel data: `VESSEL-SSC14-005`10- Fender and mooring schedule: `FENDER-SSC14-005`11- Water-level table: `WATER-SSC14-005`12- Marine structural memo: `MEMO-SSC14-005`13 14## Source Values15 16- Vessel displacement, berthing velocity, and berthing coefficient: {{ vessel_displacement_t }} t, {{ berthing_velocity_m_s }} m/s, {{ berthing_coefficient }}17- Fender demand factor, capacity, and stroke: {{ fender_demand_factor }}, {{ fender_energy_capacity_kj }} kJ, {{ fender_stroke_m }} m18- Wind pressure, projected area, and drag coefficient: {{ wind_pressure_kpa }} kPa, {{ vessel_projected_area_m2 }} m2, {{ wind_drag_coefficient }}19- Active mooring lines, line angle, and line capacity: {{ active_mooring_line_count }}, {{ mooring_line_angle_deg }} deg, {{ mooring_line_capacity_kn }} kN20- Design water level, deck level, and required freeboard: {{ design_water_level_m }} m, {{ deck_level_m }} m, {{ required_freeboard_m }} m21- Vertical support load, vertical load factor, and fender reaction factor: {{ vertical_support_load_kn }} kN, {{ vertical_load_factor }}, {{ fender_reaction_combination_factor }}22 23## Required Calculations24 25- Berthing energy is `0.5 x displacement_t x 1000 x velocity^2 / 1000 x berthing_coefficient`.26- Fender energy demand is berthing energy times fender demand factor.27- Fender reaction is fender energy demand divided by fender stroke.28- Mooring wind force is wind pressure times projected area times drag coefficient.29- Mooring line demand is wind force divided by active line count and `cos(line_angle)`.30- Water-level margin is deck level minus design water level and required freeboard.31- Combined support load is factored vertical support load plus the combined fender reaction component.32- Overall pass score is `1.0` only when fender utilization, mooring utilization, and water-level margin pass.33 34Write a compact marine structural memo to `/workspace/output.md`. Include a source-boundary statement that this is a task-owned synthetic source pack. Preserve the source IDs above and state whether the baseline source pack passes the current synthetic checks.35 36Do not claim authority approval, accepted project evidence, software export validity, full standards compliance, executable real source-pack parsing, generated benchmark readiness, or benchmark readiness.37 38Include a fenced JSON block with exactly these numeric keys:39 40```json41{42 "berthing_energy_kj": <numeric_value>,43 "fender_energy_demand_kj": <numeric_value>,44 "fender_energy_utilization": <numeric_value>,45 "fender_reaction_kn": <numeric_value>,46 "mooring_wind_force_kn": <numeric_value>,47 "mooring_line_demand_kn": <numeric_value>,48 "mooring_utilization": <numeric_value>,49 "water_level_margin_m": <numeric_value>,50 "combined_support_load_kn": <numeric_value>,51 "overall_pass_score": <numeric_value>52}53```54

Scenario archetypes

Each generated task is drawn from one of these realistic scenario bands.

Site contexts ground each scenario in a real locale the model can use to infer hidden values.

Ssc14 marine berthing case

ssc14_marine_berthing_case

Berth layout, vessel data, fender/mooring schedule, water-level, and structural detail source pack

marine-berthfender-mooringwater-level
Parameter ranges
vessel_displacement_t
18000
berthing_velocity_m_s
0.16
berthing_coefficient
1.45
fender_demand_factor
1.1
fender_energy_capacity_kj
420
fender_stroke_m
0.42
wind_pressure_kpa
0.85
vessel_projected_area_m2
260
wind_drag_coefficient
1.15
active_mooring_line_count
4
mooring_line_angle_deg
25
mooring_line_capacity_kn
95
design_water_level_m
2.7
deck_level_m
4.05
required_freeboard_m
0.8
vertical_support_load_kn
115
vertical_load_factor
1.25
fender_reaction_combination_factor
0.35

Example task

marine-berth-ssc14-marine-berthing-case-preview — hard difficulty, all inputs given.

Berth layout, vessel data, fender/mooring schedule, water-level, and structural detail source pack. marine-berth. Required outputs: berthing_energy_kj, fender_energy_demand_kj, fender_energy_utilization, fender_reaction_kn, mooring_wind_force_kn, mooring_line_demand_kn

The model sees

Scenario context and visible inputs.

vessel_displacement_t
18000 to 18000 t
berthing_velocity_m_s
0.16 to 0.16 m/s
berthing_coefficient
1.45 to 1.45
fender_demand_factor
1.1 to 1.1
fender_energy_capacity_kj
420 to 420 kJ
fender_stroke_m
0.42 to 0.42 m
wind_pressure_kpa
0.85 to 0.85 kPa
vessel_projected_area_m2
260 to 260 m2
wind_drag_coefficient
1.15 to 1.15
active_mooring_line_count
4 to 4
mooring_line_angle_deg
25 to 25 deg
mooring_line_capacity_kn
95 to 95 kN
design_water_level_m
2.7 to 2.7 m
deck_level_m
4.05 to 4.05 m
required_freeboard_m
0.8 to 0.8 m
vertical_support_load_kn
115 to 115 kN
vertical_load_factor
1.25 to 1.25
fender_reaction_combination_factor
0.35 to 0.35

Executable tool: marine-fender-mooring-berthing-structure-package_calc.py

The model must infer

Inputs withheld at this difficulty.

Nothing. All inputs are supplied.

The model must produce

The scored JSON answer schema.

{
  "berthing_energy_kj": <number>,
  "fender_energy_demand_kj": <number>,
  "fender_energy_utilization": <number>,
  "fender_reaction_kn": <number>,
  "mooring_wind_force_kn": <number>,
  "mooring_line_demand_kn": <number>,
  "mooring_utilization": <number>,
  "water_level_margin_m": <number>,
  "combined_support_load_kn": <number>,
  "overall_pass_score": <number>
}
  • berthing_energy_kj · scored within ±3%
  • fender_energy_demand_kj · scored within ±3%
  • fender_energy_utilization · scored within ±3%
  • fender_reaction_kn · scored within ±3%
  • mooring_wind_force_kn · scored within ±3%
  • mooring_line_demand_kn · scored within ±3%
  • mooring_utilization · scored within ±3%
  • water_level_margin_m · scored within ±3%
  • combined_support_load_kn · scored within ±3%
  • overall_pass_score · scored within ±3%