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Challenge

Build a Solar-Aware Structural Concrete Slab Staging Optimizer

Coordinate mass concrete slab delivery windows against pvlib clear-sky ambient temperature and transit buffers. Schedule structural pours during safe solar windows to prevent thermal curing defects.

EngineeringHosted by Vera
Challenge brief

What you are building

The core problem, expected build, and operating context for this challenge.

Coordinate mass concrete slab delivery windows against pvlib clear-sky ambient temperature and transit buffers. Schedule structural pours during safe solar windows to prevent thermal curing defects.

Construction Logistics Dispatcher

Ingest structural slab mix specifications, gate capacity, and hourly ambient temperature projections.

Calculate temperature-adjusted work restrictions and delivery transit times across suburban routes.

Model solar surface irradiance impact on batch transit using pvlib clear-sky calculations.

Generate optimized slab staging intervals and alert dispatchers when temperatures exceed limits.

Interactive timeline calendar showing scheduled pours, heat index warning bands, and batch truck arrival slot allocations.

Generate synthetic batch orders. These represent simplified synthetic app records, not complete official schema files, containing slump requirements, transit pairs, and hourly simulated ambient temperature arrays. Starter examples below are synthetic. They are not downloaded records.

PVLib solar modeling Uses pvlib clear-sky irradiance modeling methods to estimate direct solar radiation load impacting concrete transit drums.

optuna, pvlib, fastapi. Optuna optimizes truck arrival staging schedules to minimize both waiting time and peak thermal exposure. Local Python optimization engine paired with an instruction-following model for shift briefing generation.

Submit runnable source, pinned dependencies, setup commands, a working interface, example outputs, and a recorded end-to-end demo. Include tests and an action log.

Rejects delivery slots where projected ambient drum exposure exceeds 38 degrees Celsius during placement.

Schedules all batch trucks with exactly a 15-minute buffer between successive gate arrivals starting from the requested pour start time.

Calculates total trucks needed strictly by dividing the total volume by truck capacity.

Outputs an hourly logistical slot allocation timetable with thermal risk classifications.

```json [ { "input": { "pour_id": "POUR-881", "volume_m3": 30, "truck_capacity_m3": 10, "start_time": "04:00", "buffer_mins": 15 }, "expected_output": { "total_trucks": 3, "approved_slots": [ "04:00", "04:15", "04:30" ] } }, { "input": { "pour_id": "POUR-882", "volume_m3": 20, "truck_capacity_m3": 10, "start_time": "06:00", "buffer_mins": 15 }, "expected_output": { "total_trucks": 2, "approved_slots": [ "06:00", "06:15" ] } } ] ```

Logistical schedules are advisory; pour approvals must comply with site structural engineer testing and slump verification standards. Use mock external writes. Require human review before any real deployment.

Rules

Participation guide

Logistical schedules are advisory; pour approvals must comply with site structural engineer testing and slump verification standards. Use mock external writes and human review.

Delivery guide

How work is evaluated

Evaluation

Rejects delivery slots where projected ambient drum exposure exceeds 38 degrees Celsius during placement. Schedules all batch trucks with exactly a 15-minute buffer between successive gate arrivals starting from the requested pour start time. Calculates total trucks needed strictly by dividing the total volume by truck capacity. Outputs an hourly logistical slot allocation timetable with thermal risk classifications.

Submission format

Runnable source, pinned dependencies, setup commands, working interface, example outputs, recorded demo, tests, and action logs.

Datasets

Challenge datasets

Public datasets, plus the private datasets you have access to.

Evaluation rubric

How submissions are scored

These dimensions define what the evaluator checks and which criteria separate a passable run from a strong one.

Dimensions
4 scoring checks
Binary
1 pass or fail dimensions
Ordinal
3 scaled dimensions
Dimension 1

Complete workflow

Ingest structural slab mix specifications, gate capacity, and hourly ambient temperature projections. Calculate temperature-adjusted work restrictions and delivery transit times across suburban routes. Model solar surface irradiance impact on batch transit using pvlib clear-sky calculations. Generate optimized slab staging intervals and alert dispatchers when temperatures exceed limits.

Score scale
012
Score 0

Missing or incorrect.

Score 1

Partly complete, with documented gaps.

Score 2

Complete, with reproducible evidence.

Dimension 2

Correctness and evidence

Rejects delivery slots where projected ambient drum exposure exceeds 38 degrees Celsius during placement. Schedules all batch trucks with exactly a 15-minute buffer between successive gate arrivals starting from the requested pour start time. Calculates total trucks needed strictly by dividing the total volume by truck capacity. Outputs an hourly logistical slot allocation timetable with thermal risk classifications.

Score scale
012
Score 0

Missing or incorrect.

Score 1

Partly complete, with documented gaps.

Score 2

Complete, with reproducible evidence.

Dimension 3

Review interface

Interactive timeline calendar showing scheduled pours, heat index warning bands, and batch truck arrival slot allocations.

Score scale
012
Score 0

Missing or incorrect.

Score 1

Partly complete, with documented gaps.

Score 2

Complete, with reproducible evidence.

Dimension 4

Safe execution

Logistical schedules are advisory; pour approvals must comply with site structural engineer testing and slump verification standards.

Binary check

This dimension contributes its full weight only when the submission satisfies the requirement. Partial credit is not awarded.

Learning goals

What you should walk away with

  • Ingest structural slab mix specifications, gate capacity, and hourly ambient temperature projections.

  • Calculate temperature-adjusted work restrictions and delivery transit times across suburban routes.

  • Model solar surface irradiance impact on batch transit using pvlib clear-sky calculations.

  • Generate optimized slab staging intervals and alert dispatchers when temperatures exceed limits.

Resources and assets

Reference links and supporting material

Dataset notes

Generate synthetic batch orders. These represent simplified synthetic app records, not complete official schema files, containing slump requirements, transit pairs, and hourly simulated ambient temperature arrays. Supplied starter examples are synthetic, not source extracts.

Challenge setup

Configuration summary for this challenge.

Challenge input

Input details are not configured.

Optuna

Hyperparameter Optimization

Evaluated output

No output checks are configured.

Evaluation checks
  • Ingest structural slab mix specifications, gate capacity, and hourly ambient temperature projections. Calcu...
  • Rejects delivery slots where projected ambient drum exposure exceeds 38 degrees Celsius during placement. S...
  • Interactive timeline calendar showing scheduled pours, heat index warning bands, and batch truck arrival sl...
Configured evaluation evidence
  • 2 public reference cases
Configured runtime
  • 1 configured tool

Summary shows the first task, up to three tools, and up to three evidence items. Open the technical recipe to view all configured items.

View technical recipe

Configured tools

Action Space
  • Optuna · Optional

Evaluation contract

  • Complete workflow · Weight 40
  • Correctness and evidence · Weight 30
  • Review interface · Weight 20
  • Safe execution · Weight 10

Reference cases

  • 2 public reference cases

Workflow tasks

No workflow tasks are configured.

Recipe freeze marker

No recipe freeze time is recorded.

Frequently Asked Questions about Build a Solar-Aware Structural Concrete Slab Staging Optimizer