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civilwith-tool

Pedestrian Clearance Forecourt Signal Interface Package

Calculates source-bound forecourt interface metrics from a deterministic SSC-08 task-owned source pack. The template combines pedestrian clearance timing, all-red timing, forecourt density, discharge width, forecourt illuminance, and an overall synthetic pass score.

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

Standards

forecourt density reviewlighting reviewpedestrian clearance workflowtraffic signal all-red workflow

Tags

buildingcivildeterministicforecourtlightingpedestriansignal

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

  • Crossing length

    crossing_length_m

    SIGNAL-08-TIMING-07 crossing length

    18 m

  • Pedestrian speed

    pedestrian_speed_m_s

    AUTH-08-ROAD-07 pedestrian speed

    1.2 m/s

  • Startup time

    startup_time_s

    AUTH-08-ROAD-07 startup time

    3 s

  • Provided pedestrian phase

    provided_pedestrian_phase_s

    SIGNAL-08-TIMING-07 provided pedestrian phase

    24 s

  • Approach speed kmh

    approach_speed_kmh

    SIGNAL-08-TIMING-07 approach speed

    50 km/h

  • Crossing width

    crossing_width_m

    FORECOURT-08-PLAN-07 crossing width

    10 m

  • Reaction time

    reaction_time_s

    AUTH-08-ROAD-07 reaction time

    1 s

  • Provided all red

    provided_all_red_s

    SIGNAL-08-TIMING-07 provided all-red time

    3 s

  • Forecourt area

    forecourt_area_m2

    FORECOURT-08-PLAN-07 forecourt area

    260 m2

  • Peak forecourt demand

    peak_forecourt_demand_persons

    PED-08-DEMAND-07 peak forecourt demand

    390 persons

  • Maximum forecourt density person m2

    maximum_forecourt_density_person_m2

    PED-08-DEMAND-07 maximum forecourt density

    2 persons/m2

  • Discharge width factor mm per person

    discharge_width_factor_mm_per_person

    PED-08-DEMAND-07 discharge width factor

    5 mm/person

  • Provided discharge width

    provided_discharge_width_mm

    FORECOURT-08-PLAN-07 provided discharge width

    2400 mm

  • Luminaire lumens

    luminaire_lumens

    LIGHT-08-LAYOUT-07 luminaire lumens

    9000 lm

  • Luminaire count

    luminaire_count

    LIGHT-08-LAYOUT-07 luminaire count

    4

  • Light loss factor

    light_loss_factor

    LIGHT-08-LAYOUT-07 light loss factor

    0.8

  • Utilization factor

    utilization_factor

    LIGHT-08-LAYOUT-07 utilization factor

    0.6

  • Target illuminance

    target_illuminance_lux

    LIGHT-08-LAYOUT-07 target illuminance

    50 lux

Scored outputs

11 outputs

Pedestrian clearance time s

pedestrian_clearance_time_s

Pedestrian clearance time

Scores if within ±3% of the reference value.

Pedestrian phase margin s

pedestrian_phase_margin_s

Provided phase minus pedestrian clearance time

Scores if within ±3% of the reference value.

All red time s

all_red_time_s

All-red time

Scores if within ±3% of the reference value.

All red margin s

all_red_margin_s

Provided all-red time minus required all-red time

Scores if within ±3% of the reference value.

Forecourt density person m2

forecourt_density_person_m2

Forecourt density

Scores if within ±3% of the reference value.

Forecourt density margin person m2

forecourt_density_margin_person_m2

Maximum forecourt density minus actual density

Scores if within ±3% of the reference value.

Required discharge width

required_discharge_width_mm

Required discharge width

Scores if within ±3% of the reference value.

Discharge width margin

discharge_width_margin_mm

Provided discharge width minus required width

Scores if within ±3% of the reference value.

Forecourt average illuminance lux

forecourt_average_illuminance_lux

Forecourt average illuminance

Scores if within ±3% of the reference value.

Illuminance margin lux

illuminance_margin_lux

Average illuminance minus target

Scores if within ±3% of the reference value.

Overall pass score

overall_pass_score

1.0 when forecourt interface 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-08 forecourt interface package
medium:
All source-pack values given for the SSC-08 forecourt interface package
hard:
All source-pack values given for the SSC-08 forecourt interface package

Task bundle

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

/workspace

  • instruction.md
  • pedestrian-clearance-forecourt-signal-interface-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/transport engineer checking a task-owned synthetic SSC-08 pedestrian clearance, building forecourt, and signal interface package.2 3Use only the task-owned synthetic source pack values shown below for numeric grading. External pedestrian clearance, all-red timing, forecourt density, discharge width, and lighting workflows shape the practice context only; they are not extra data sources for this instance.4 5## Scene6 7- Product family: `SSC-08-LH-07`8- Station/forecourt plan: `FORECOURT-08-PLAN-07`9- Pedestrian demand schedule: `PED-08-DEMAND-07`10- Signal timing sheet: `SIGNAL-08-TIMING-07`11- Lighting layout: `LIGHT-08-LAYOUT-07`12- Road authority criterion: `AUTH-08-ROAD-07`13- Interface memo: `MEMO-08-INTERFACE-07`14 15## Source Values16 17| Item | Value |18|------|-------|19| Crossing length | {{ crossing_length_m }} m |20| Pedestrian speed | {{ pedestrian_speed_m_s }} m/s |21| Startup time | {{ startup_time_s }} s |22| Provided pedestrian phase | {{ provided_pedestrian_phase_s }} s |23| Approach speed | {{ approach_speed_kmh }} km/h |24| Crossing width | {{ crossing_width_m }} m |25| Reaction time | {{ reaction_time_s }} s |26| Provided all-red time | {{ provided_all_red_s }} s |27| Forecourt area | {{ forecourt_area_m2 }} m2 |28| Peak forecourt demand | {{ peak_forecourt_demand_persons }} persons |29| Maximum forecourt density | {{ maximum_forecourt_density_person_m2 }} persons/m2 |30| Discharge width factor | {{ discharge_width_factor_mm_per_person }} mm/person |31| Provided discharge width | {{ provided_discharge_width_mm }} mm |32| Luminaire lumens | {{ luminaire_lumens }} lm |33| Luminaire count | {{ luminaire_count }} |34| Light loss factor | {{ light_loss_factor }} |35| Utilization factor | {{ utilization_factor }} |36| Target illuminance | {{ target_illuminance_lux }} lux |37 38## Checks39 40- Pedestrian clearance time equals crossing length divided by pedestrian speed plus startup time.41- Pedestrian phase margin equals provided pedestrian phase minus clearance time.42- All-red time equals reaction time plus crossing width divided by approach speed.43- Forecourt density equals peak forecourt demand divided by forecourt area.44- Required discharge width equals peak forecourt demand times discharge width factor.45- Forecourt average illuminance uses luminaire lumens, count, light loss factor, utilization factor, and area.46- Overall pass score is `1.0` only when pedestrian phase, all-red, density, discharge width, and illuminance checks pass; otherwise it is `0.0`.47 48## Output Format49 50Write a compact interface 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 "pedestrian_clearance_time_s": <numeric_value>,59 "pedestrian_phase_margin_s": <numeric_value>,60 "all_red_time_s": <numeric_value>,61 "all_red_margin_s": <numeric_value>,62 "forecourt_density_person_m2": <numeric_value>,63 "forecourt_density_margin_person_m2": <numeric_value>,64 "required_discharge_width_mm": <numeric_value>,65 "discharge_width_margin_mm": <numeric_value>,66 "forecourt_average_illuminance_lux": <numeric_value>,67 "illuminance_margin_lux": <numeric_value>,68 "overall_pass_score": <numeric_value>69}70```71

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.

Ssc08 forecourt signal case

ssc08_forecourt_signal_case

Pedestrian clearance, forecourt, and signal interface case

ssc08-forecourt-signal
Parameter ranges

Example task

ssc08-forecourt-signal-ssc08-forecourt-signal-case-preview — hard difficulty, all inputs given.

Pedestrian clearance, forecourt, and signal interface case. ssc08-forecourt-signal. Required outputs: pedestrian_clearance_time_s, pedestrian_phase_margin_s, all_red_time_s, all_red_margin_s, forecourt_density_person_m2, forecourt_density_margin_person_m2

The model sees

Scenario context and visible inputs.

crossing_length_m
18 to 18 m
pedestrian_speed_m_s
1.2 to 1.2 m/s
startup_time_s
3 to 3 s
provided_pedestrian_phase_s
24 to 24 s
approach_speed_kmh
50 to 50 km/h
crossing_width_m
10 to 10 m
reaction_time_s
1 to 1 s
provided_all_red_s
3 to 3 s
forecourt_area_m2
260 to 260 m2
peak_forecourt_demand_persons
390 to 390 persons
maximum_forecourt_density_person_m2
2 to 2 persons/m2
discharge_width_factor_mm_per_person
5 to 5 mm/person
provided_discharge_width_mm
2400 to 2400 mm
luminaire_lumens
9000 to 9000 lm
luminaire_count
4 to 4
light_loss_factor
0.8 to 0.8
utilization_factor
0.6 to 0.6
target_illuminance_lux
50 to 50 lux

Executable tool: pedestrian-clearance-forecourt-signal-interface-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.

{
  "pedestrian_clearance_time_s": <number>,
  "pedestrian_phase_margin_s": <number>,
  "all_red_time_s": <number>,
  "all_red_margin_s": <number>,
  "forecourt_density_person_m2": <number>,
  "forecourt_density_margin_person_m2": <number>,
  "required_discharge_width_mm": <number>,
  "discharge_width_margin_mm": <number>,
  "forecourt_average_illuminance_lux": <number>,
  "illuminance_margin_lux": <number>,
  "overall_pass_score": <number>
}
  • pedestrian_clearance_time_s · scored within ±3%
  • pedestrian_phase_margin_s · scored within ±3%
  • all_red_time_s · scored within ±3%
  • all_red_margin_s · scored within ±3%
  • forecourt_density_person_m2 · scored within ±3%
  • forecourt_density_margin_person_m2 · scored within ±3%
  • required_discharge_width_mm · scored within ±3%
  • discharge_width_margin_mm · scored within ±3%
  • forecourt_average_illuminance_lux · scored within ±3%
  • illuminance_margin_lux · scored within ±3%
  • overall_pass_score · scored within ±0.1%