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mechanicalwith-tool

Aeration Blower Process Power Acoustic Package

Calculates source-bound aeration blower metrics from a deterministic SSC-10 task-owned source pack. The template combines organic and nitrogen load, oxygen demand, airflow, blower input power, motor margin, receiver sound level, and an overall synthetic pass score.

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

Standards

BioWin GPS-X SUMO acoustic receiver screening blower selection workflow

Tags

acoustic aeration blower deterministic mechanical motor oxygen wastewater

How this task is generated

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

01
Template
The reusable contract shown on this page.
02
Scenario
An archetype and site context are sampled.
03
Difficulty tier
Inputs may be hidden at harder tiers.
04
Task prompt
The model responds with the declared outputs.

Parameters

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

Inputs

20 inputs

Always given

Included directly in every task prompt.

20

Show 20 inputs

Flow rate
flow_rate_m3_d
SAMPLE-10-AER-02 design flow
6200 m3/d
Influent bod
influent_bod_mg_l
SAMPLE-10-AER-02 influent BOD
250 mg/L
Effluent bod
effluent_bod_mg_l
CRITERIA-10-AER-02 effluent BOD
20 mg/L
Influent tkn
influent_tkn_mg_l
SAMPLE-10-AER-02 influent TKN
45 mg/L
Effluent tkn
effluent_tkn_mg_l
CRITERIA-10-AER-02 effluent TKN
7 mg/L
Sludge production
sludge_production_kg_d
CRITERIA-10-AER-02 sludge production credit
760 kg/d
Denitrified nitrogen
denitrified_nitrogen_mg_l
CRITERIA-10-AER-02 denitrified nitrogen
16 mg/L
Field transfer efficiency
field_transfer_efficiency
BLOWER-10-DATA-02 field oxygen transfer efficiency
0.17
Air oxygen mass fraction
air_oxygen_mass_fraction
BLOWER-10-DATA-02 oxygen mass fraction in air
0.23
Air density
air_density_kg_m3
BLOWER-10-DATA-02 air density
1.2 kg/m3
Blower capacity
blower_capacity_m3_min
BLOWER-10-DATA-02 selected blower capacity
58 m3/min
Blower discharge pressure
blower_discharge_pressure_kpa
BLOWER-10-DATA-02 discharge pressure
68 kPa
Blower efficiency
blower_efficiency
BLOWER-10-DATA-02 blower efficiency
0.69
Motor efficiency
motor_efficiency
MOTOR-10-SCHED-02 motor efficiency
0.94
Selected motor
selected_motor_kw
MOTOR-10-SCHED-02 selected motor rating
95 kW
Blower sound level
blower_sound_level_dba
BLOWER-10-DATA-02 blower sound level
82 dBA
Header sound level
header_sound_level_dba
BLOWER-10-DATA-02 header sound level
79 dBA
Enclosure sound level
enclosure_sound_level_dba
BLOWER-10-DATA-02 enclosure sound level
76 dBA
Receiver distance
receiver_distance_m
RECEIVER-10-PLAN-02 receiver distance
85 m
Receiver criterion
receiver_criterion_dba
RECEIVER-10-PLAN-02 receiver criterion
55 dBA

Scored outputs

11 outputs

Bod removed kg d

bod_removed_kg_d

BOD removed by the aeration case

Scores if within ±3% of the reference value.

Nitrogen removed kg d

nitrogen_removed_kg_d

Nitrogen removed by the aeration case

Scores if within ±3% of the reference value.

Oxygen demand kg d

oxygen_demand_kg_d

Total process oxygen demand

Scores if within ±3% of the reference value.

Required airflow m3 min

required_airflow_m3_min

Required aeration airflow

Scores if within ±3% of the reference value.

Blower oxygen capacity margin kg d

blower_oxygen_capacity_margin_kg_d

Selected blower oxygen capacity minus oxygen demand

Scores if within ±3% of the reference value.

Blower input power

blower_input_power_kw

Blower input power

Scores if within ±3% of the reference value.

Motor margin

motor_margin_kw

Selected motor rating minus blower input power

Scores if within ±3% of the reference value.

Combined source spl dba

combined_source_spl_dba

Log-summed source sound level

Scores if within ±3% of the reference value.

Receiver spl dba

receiver_spl_dba

Receiver sound level after distance loss

Scores if within ±3% of the reference value.

Acoustic margin db

acoustic_margin_db

Receiver criterion minus receiver sound level

Scores if within ±3% of the reference value.

Overall pass score

overall_pass_score

1.0 when oxygen, motor, and acoustic margins are non-negative

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-10 aeration blower and acoustic package
medium:: All source-pack values given for the SSC-10 aeration blower and acoustic package
hard:: All source-pack values given for the SSC-10 aeration blower and acoustic package

Task bundle

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

/workspace

instruction.md
aeration-blower-process-power-acoustic-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 wastewater process engineer checking a task-owned synthetic SSC-10 aeration blower process, power, and acoustic package.2 3Use only the task-owned synthetic source pack values shown below for numeric grading. BioWin, GPS-X, SUMO, blower selection, and acoustic screening workflows shape the context only; this instance does not run those tools or parse a real process model, source pack, or vendor export.4 5## Scene6 7- Product: `SSC-10-LH-02`8- Sampling table: `SAMPLE-10-AER-02`9- Process criteria: `CRITERIA-10-AER-02`10- Blower data sheet: `BLOWER-10-DATA-02`11- Motor schedule: `MOTOR-10-SCHED-02`12- Receiver plan: `RECEIVER-10-PLAN-02`13- Aeration/acoustic memo: `MEMO-10-AER-02`14 15## Source Values16 17| Item | Value |18| --- | --- |19| Design flow | {{ flow_rate_m3_d }} m3/d |20| Influent BOD | {{ influent_bod_mg_l }} mg/L |21| Effluent BOD | {{ effluent_bod_mg_l }} mg/L |22| Influent TKN | {{ influent_tkn_mg_l }} mg/L |23| Effluent TKN | {{ effluent_tkn_mg_l }} mg/L |24| Sludge production | {{ sludge_production_kg_d }} kg/d |25| Denitrified nitrogen | {{ denitrified_nitrogen_mg_l }} mg/L |26| Field oxygen transfer efficiency | {{ field_transfer_efficiency }} |27| Air oxygen mass fraction | {{ air_oxygen_mass_fraction }} |28| Air density | {{ air_density_kg_m3 }} kg/m3 |29| Blower capacity | {{ blower_capacity_m3_min }} m3/min |30| Blower discharge pressure | {{ blower_discharge_pressure_kpa }} kPa |31| Blower efficiency | {{ blower_efficiency }} |32| Motor efficiency | {{ motor_efficiency }} |33| Selected motor | {{ selected_motor_kw }} kW |34| Blower sound level | {{ blower_sound_level_dba }} dBA |35| Header sound level | {{ header_sound_level_dba }} dBA |36| Enclosure sound level | {{ enclosure_sound_level_dba }} dBA |37| Receiver distance | {{ receiver_distance_m }} m |38| Receiver criterion | {{ receiver_criterion_dba }} dBA |39 40## Calculation Rules41 42- BOD removed equals `flow_rate_m3_d x (influent_bod_mg_l - effluent_bod_mg_l) / 1000`.43- Nitrogen removed equals `flow_rate_m3_d x (influent_tkn_mg_l - effluent_tkn_mg_l) / 1000`.44- Oxygen demand equals `max(bod_removed - 1.42 x sludge_production + 4.57 x nitrogen_removed - 2.86 x denitrified_nitrogen, 0)`.45- Required airflow uses `air_oxygen_mass_fraction x air_density_kg_m3 x field_transfer_efficiency`.46- Blower input power equals `(required_airflow_m3_min / 60) x blower_discharge_pressure_kpa / blower_efficiency / motor_efficiency`.47- Combine source sound levels with logarithmic summation, then subtract `20 x log10(receiver_distance_m)` at the receiver.48- Overall pass score is `1.0` only when blower oxygen capacity, motor margin, and acoustic margin are non-negative.49 50## Output Format51 52Write a compact 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 docs-only checks.53 54Do not claim authority approval, accepted project evidence, software export validity, full standards compliance, executable real source-pack parsing, generated BioWin/GPS-X/SUMO evidence, generated benchmark readiness, or benchmark readiness.55 56Include a fenced JSON block with exactly these numeric keys:57 58```json59{60  "bod_removed_kg_d": <numeric_value>,61  "nitrogen_removed_kg_d": <numeric_value>,62  "oxygen_demand_kg_d": <numeric_value>,63  "required_airflow_m3_min": <numeric_value>,64  "blower_oxygen_capacity_margin_kg_d": <numeric_value>,65  "blower_input_power_kw": <numeric_value>,66  "motor_margin_kw": <numeric_value>,67  "combined_source_spl_dba": <numeric_value>,68  "receiver_spl_dba": <numeric_value>,69  "acoustic_margin_db": <numeric_value>,70  "overall_pass_score": <numeric_value>71}72```73

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.

Ssc10 aeration blower acoustic case

ssc10_aeration_blower_acoustic_case

Aeration blower process, power, and acoustic source pack

aeration-blower-acousticoxygen-power-noise-check

Parameter ranges

params: {'flow_rate_m3_d': {'min': 6200.0, 'max': 6200.0}, 'influent_bod_mg_l': {'min': 250.0, 'max': 250.0}, 'effluent_bod_mg_l': {'min': 20.0, 'max': 20.0}, 'influent_tkn_mg_l': {'min': 45.0, 'max': 45.0}, 'effluent_tkn_mg_l': {'min': 7.0, 'max': 7.0}, 'sludge_production_kg_d': {'min': 760.0, 'max': 760.0}, 'denitrified_nitrogen_mg_l': {'min': 16.0, 'max': 16.0}, 'field_transfer_efficiency': {'min': 0.17, 'max': 0.17}, 'air_oxygen_mass_fraction': {'min': 0.23, 'max': 0.23}, 'air_density_kg_m3': {'min': 1.2, 'max': 1.2}, 'blower_capacity_m3_min': {'min': 58.0, 'max': 58.0}, 'blower_discharge_pressure_kpa': {'min': 68.0, 'max': 68.0}, 'blower_efficiency': {'min': 0.69, 'max': 0.69}, 'motor_efficiency': {'min': 0.94, 'max': 0.94}, 'selected_motor_kw': {'min': 95.0, 'max': 95.0}, 'blower_sound_level_dba': {'min': 82.0, 'max': 82.0}, 'header_sound_level_dba': {'min': 79.0, 'max': 79.0}, 'enclosure_sound_level_dba': {'min': 76.0, 'max': 76.0}, 'receiver_distance_m': {'min': 85.0, 'max': 85.0}, 'receiver_criterion_dba': {'min': 55.0, 'max': 55.0}}

Example task

aeration-blower-acoustic-ssc10-aeration-blower-acoustic-case-preview — hard difficulty, all inputs given.

Aeration blower process, power, and acoustic source pack. aeration-blower-acoustic. Required outputs: bod_removed_kg_d, nitrogen_removed_kg_d, oxygen_demand_kg_d, required_airflow_m3_min, blower_oxygen_capacity_margin_kg_d, blower_input_power_kw

The model sees

Scenario context and visible inputs.

flow_rate_m3_d: 6200 to 6200 m3/d
influent_bod_mg_l: 250 to 250 mg/L
effluent_bod_mg_l: 20 to 20 mg/L
influent_tkn_mg_l: 45 to 45 mg/L
effluent_tkn_mg_l: 7 to 7 mg/L
sludge_production_kg_d: 760 to 760 kg/d
denitrified_nitrogen_mg_l: 16 to 16 mg/L
field_transfer_efficiency: 0.17 to 0.17
air_oxygen_mass_fraction: 0.23 to 0.23
air_density_kg_m3: 1.2 to 1.2 kg/m3
blower_capacity_m3_min: 58 to 58 m3/min
blower_discharge_pressure_kpa: 68 to 68 kPa
blower_efficiency: 0.69 to 0.69
motor_efficiency: 0.94 to 0.94
selected_motor_kw: 95 to 95 kW
blower_sound_level_dba: 82 to 82 dBA
header_sound_level_dba: 79 to 79 dBA
enclosure_sound_level_dba: 76 to 76 dBA
receiver_distance_m: 85 to 85 m
receiver_criterion_dba: 55 to 55 dBA

Executable tool: aeration-blower-process-power-acoustic-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.

{
  "bod_removed_kg_d": <number>,
  "nitrogen_removed_kg_d": <number>,
  "oxygen_demand_kg_d": <number>,
  "required_airflow_m3_min": <number>,
  "blower_oxygen_capacity_margin_kg_d": <number>,
  "blower_input_power_kw": <number>,
  "motor_margin_kw": <number>,
  "combined_source_spl_dba": <number>,
  "receiver_spl_dba": <number>,
  "acoustic_margin_db": <number>,
  "overall_pass_score": <number>
}

bod_removed_kg_d · scored within ±3%
nitrogen_removed_kg_d · scored within ±3%
oxygen_demand_kg_d · scored within ±3%
required_airflow_m3_min · scored within ±3%
blower_oxygen_capacity_margin_kg_d · scored within ±3%
blower_input_power_kw · scored within ±3%
motor_margin_kw · scored within ±3%
combined_source_spl_dba · scored within ±3%
receiver_spl_dba · scored within ±3%
acoustic_margin_db · scored within ±3%
overall_pass_score · scored within ±0.1%