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civilwith-tool

Coastal Erosion Longshore Temporary Works Package

Calculates source-bound coastal erosion and temporary works metrics from a deterministic SSC-04 task-owned source pack. The template combines longshore transport, temporary protection volume, sediment basin sizing, permitted discharge, monitoring coverage, alignment tolerance, and an overall synthetic pass score.

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

Standards

longshore transport workflowsediment control reviewshoreline monitoring reviewtemporary coastal works review

Tags

civilcoastaldeterministicerosionlongshoresediment-controltemporary-works

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

16 inputs

Always given

Included directly in every task prompt.

16
Show 16 inputs

  • Transport coefficient

    transport_coefficient

    WAVE-04-CLIMATE-05 transport coefficient

    0.38

  • Wave energy factor

    wave_energy_factor

    WAVE-04-CLIMATE-05 wave energy factor

    850

  • Breaking wave angle

    breaking_wave_angle_deg

    BEACH-04-PROFILE-05 breaking wave angle

    18 deg

  • Exposure

    exposure_days

    TEMP-04-WORKS-05 exposure duration

    6 days

  • Capture factor

    capture_factor

    TEMP-04-WORKS-05 temporary protection capture factor

    0.55

  • Selected protection volume

    selected_protection_volume_m3

    TEMP-04-WORKS-05 selected protection volume

    720 m3

  • Disturbed area

    disturbed_area_ha

    SEDIMENT-04-GRADING-05 disturbed area

    1.8 ha

  • Design rainfall

    design_rainfall_mm

    MONITOR-04-PERMIT-05 design rainfall

    55 mm

  • Runoff coefficient

    runoff_coefficient

    SEDIMENT-04-GRADING-05 runoff coefficient

    0.65

  • Selected sediment basin volume

    selected_sediment_basin_volume_m3

    TEMP-04-WORKS-05 selected sediment basin volume

    700 m3

  • Permitted discharge

    permitted_discharge_m3_s

    MONITOR-04-PERMIT-05 permitted discharge

    0.18 m3/s

  • Pumped discharge

    pumped_discharge_m3_s

    TEMP-04-WORKS-05 pumped discharge

    0.14 m3/s

  • Monitoring stations installed

    monitoring_stations_installed

    MONITOR-04-PERMIT-05 installed monitoring stations

    4

  • Required monitoring stations

    required_monitoring_stations

    MONITOR-04-PERMIT-05 required monitoring stations

    4

  • Allowable alignment offset

    allowable_alignment_offset_m

    TEMP-04-WORKS-05 allowable temporary works offset

    0.25 m

  • Measured alignment offset

    measured_alignment_offset_m

    BEACH-04-PROFILE-05 measured temporary works offset

    0.18 m

Scored outputs

9 outputs

Longshore transport m3 day

longshore_transport_m3_day

Synthetic longshore transport rate

Scores if within ±3% of the reference value.

Temporary protection volume m3

temporary_protection_volume_m3

Temporary protection volume demand

Scores if within ±3% of the reference value.

Protection volume margin m3

protection_volume_margin_m3

Selected protection volume minus temporary protection demand

Scores if within ±3% of the reference value.

Sediment basin required m3

sediment_basin_required_m3

Sediment basin required volume

Scores if within ±3% of the reference value.

Sediment basin margin m3

sediment_basin_margin_m3

Selected sediment basin volume minus required basin volume

Scores if within ±3% of the reference value.

Discharge capacity margin

discharge_capacity_margin_m3_s

Permitted discharge minus pumped discharge

Scores if within ±3% of the reference value.

Monitoring coverage fraction

monitoring_coverage_fraction

Installed monitoring stations divided by required monitoring stations

Scores if within ±0.3% of the reference value.

Construction tolerance margin

construction_tolerance_margin_m

Allowable alignment offset minus measured offset

Scores if within ±3% of the reference value.

Overall pass score

overall_pass_score

1.0 when temporary works checks pass

Scores if within ±0.1% 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-04 coastal erosion package
medium:
All source-pack values given for the SSC-04 coastal erosion package
hard:
All source-pack values given for the SSC-04 coastal erosion package

Task bundle

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

/workspace

  • instruction.md
  • coastal-erosion-longshore-temporary-works-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 civil/coastal engineer checking a task-owned synthetic SSC-04 coastal erosion, longshore transport, and temporary works package.2 3Use only the task-owned synthetic source pack values shown below for numeric grading. External longshore-transport, shoreline monitoring, sediment-control, and temporary-works workflows shape the practice context only; they are not extra data sources for this instance.4 5## Scene6 7- Product family: `SSC-04-LH-05`8- Beach profile: `BEACH-04-PROFILE-05`9- Sediment grading note: `SEDIMENT-04-GRADING-05`10- Wave climate table: `WAVE-04-CLIMATE-05`11- Temporary works schedule: `TEMP-04-WORKS-05`12- Monitoring and permit table: `MONITOR-04-PERMIT-05`13- Coastal erosion memo: `MEMO-04-EROSION-05`14 15## Source Values16 17| Item | Value |18|------|-------|19| Transport coefficient | {{ transport_coefficient }} |20| Wave energy factor | {{ wave_energy_factor }} |21| Breaking wave angle | {{ breaking_wave_angle_deg }} deg |22| Exposure days | {{ exposure_days }} days |23| Capture factor | {{ capture_factor }} |24| Selected protection volume | {{ selected_protection_volume_m3 }} m3 |25| Disturbed area | {{ disturbed_area_ha }} ha |26| Design rainfall | {{ design_rainfall_mm }} mm |27| Runoff coefficient | {{ runoff_coefficient }} |28| Selected sediment basin volume | {{ selected_sediment_basin_volume_m3 }} m3 |29| Permitted discharge | {{ permitted_discharge_m3_s }} m3/s |30| Pumped discharge | {{ pumped_discharge_m3_s }} m3/s |31| Monitoring stations installed | {{ monitoring_stations_installed }} |32| Required monitoring stations | {{ required_monitoring_stations }} |33| Allowable alignment offset | {{ allowable_alignment_offset_m }} m |34| Measured alignment offset | {{ measured_alignment_offset_m }} m |35 36## Checks37 38- Longshore transport equals transport coefficient times wave energy factor times `sin(2 x breaking wave angle)`.39- Temporary protection volume equals longshore transport times exposure days times capture factor.40- Protection volume margin equals selected protection volume minus temporary protection volume.41- Sediment basin required volume equals disturbed area times design rainfall times runoff coefficient times 10.42- Sediment basin margin equals selected basin volume minus required basin volume.43- Discharge capacity margin equals permitted discharge minus pumped discharge.44- Monitoring coverage fraction equals installed monitoring stations divided by required stations.45- Construction tolerance margin equals allowable alignment offset minus measured alignment offset.46- Overall pass score is `1.0` only when protection, sediment, discharge, monitoring, and tolerance checks pass; otherwise it is `0.0`.47 48## Output Format49 50Write a compact temporary works memo to `/workspace/output.md`. Include a source-boundary statement that this is a task-owned synthetic source pack. Preserve the object IDs above and state whether the baseline source pack passes the current docs-only checks.51 52Do not claim authority approval, accepted project evidence, software export validity, full standards compliance, executable real source-pack parsing, generated benchmark readiness, or benchmark readiness.53 54Include a fenced JSON block with exactly these numeric keys:55 56```json57{58 "longshore_transport_m3_day": <numeric_value>,59 "temporary_protection_volume_m3": <numeric_value>,60 "protection_volume_margin_m3": <numeric_value>,61 "sediment_basin_required_m3": <numeric_value>,62 "sediment_basin_margin_m3": <numeric_value>,63 "discharge_capacity_margin_m3_s": <numeric_value>,64 "monitoring_coverage_fraction": <numeric_value>,65 "construction_tolerance_margin_m": <numeric_value>,66 "overall_pass_score": <numeric_value>67}68```69

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.

Ssc04 coastal erosion case

ssc04_coastal_erosion_case

Coastal erosion, longshore transport, and temporary works case

Parameter ranges
transport_coefficient
0.38
wave_energy_factor
850
breaking_wave_angle_deg
18
exposure_days
6
capture_factor
0.55
selected_protection_volume_m3
720
disturbed_area_ha
1.8
design_rainfall_mm
55
runoff_coefficient
0.65
selected_sediment_basin_volume_m3
700
permitted_discharge_m3_s
0.18
pumped_discharge_m3_s
0.14
monitoring_stations_installed
4
required_monitoring_stations
4
allowable_alignment_offset_m
0.25
measured_alignment_offset_m
0.18

Example task

ssc04-coastal-erosion-case-preview — hard difficulty, all inputs given.

Coastal erosion, longshore transport, and temporary works case. Required outputs: longshore_transport_m3_day, temporary_protection_volume_m3, protection_volume_margin_m3, sediment_basin_required_m3, sediment_basin_margin_m3, discharge_capacity_margin_m3_s

The model sees

Scenario context and visible inputs.

transport_coefficient
0.38 to 0.38
wave_energy_factor
850 to 850
breaking_wave_angle_deg
18 to 18 deg
exposure_days
6 to 6 days
capture_factor
0.55 to 0.55
selected_protection_volume_m3
720 to 720 m3
disturbed_area_ha
1.8 to 1.8 ha
design_rainfall_mm
55 to 55 mm
runoff_coefficient
0.65 to 0.65
selected_sediment_basin_volume_m3
700 to 700 m3
permitted_discharge_m3_s
0.18 to 0.18 m3/s
pumped_discharge_m3_s
0.14 to 0.14 m3/s
monitoring_stations_installed
4 to 4
required_monitoring_stations
4 to 4
allowable_alignment_offset_m
0.25 to 0.25 m
measured_alignment_offset_m
0.18 to 0.18 m

Executable tool: coastal-erosion-longshore-temporary-works-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.

{
  "longshore_transport_m3_day": <number>,
  "temporary_protection_volume_m3": <number>,
  "protection_volume_margin_m3": <number>,
  "sediment_basin_required_m3": <number>,
  "sediment_basin_margin_m3": <number>,
  "discharge_capacity_margin_m3_s": <number>,
  "monitoring_coverage_fraction": <number>,
  "construction_tolerance_margin_m": <number>,
  "overall_pass_score": <number>
}
  • longshore_transport_m3_day · scored within ±3%
  • temporary_protection_volume_m3 · scored within ±3%
  • protection_volume_margin_m3 · scored within ±3%
  • sediment_basin_required_m3 · scored within ±3%
  • sediment_basin_margin_m3 · scored within ±3%
  • discharge_capacity_margin_m3_s · scored within ±3%
  • monitoring_coverage_fraction · scored within ±0.3%
  • construction_tolerance_margin_m · scored within ±3%
  • overall_pass_score · scored within ±0.1%