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mechanicalwith-tool

Room Acoustic Hvac Operations Package

Calculates source-bound RT60, air-change, HVAC/equipment receiver level, combined room noise, and occupancy metrics from a deterministic SSC-12 task-owned source pack.

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

Standards

CadnaA HVAC noise workflow SoundPLAN room acoustic workflow

Tags

acoustics deterministic hvac mechanical room rt60

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

13 inputs

Always given

Included directly in every task prompt.

13

Show 13 inputs

Room volume
room_volume_m3
ROOM-12-PLAN-03 room volume
720 m3
Absorption area m2
absorption_area_m2
FINISH-12-SCHED-03 equivalent absorption area
165 m2 sabins
Max rt60
max_rt60_s
CRIT-12-ROOM-03 maximum RT60
1.2 s
Supply airflow
supply_airflow_m3_h
HVAC-12-SCHED-03 supply airflow
4000 m3/h
Hvac sound power
hvac_sound_power_dba
HVAC-12-SCHED-03 HVAC source level
63 dBA
Hvac receiver distance
hvac_receiver_distance_m
ROOM-12-PLAN-03 HVAC receiver distance
18 m
Hvac insertion loss
hvac_insertion_loss_db
FINISH-12-SCHED-03 HVAC insertion loss
5 dB
Equipment sound power
equipment_sound_power_dba
HVAC-12-SCHED-03 equipment source level
58 dBA
Equipment receiver distance
equipment_receiver_distance_m
ROOM-12-PLAN-03 equipment receiver distance
10 m
Equipment insertion loss
equipment_insertion_loss_db
FINISH-12-SCHED-03 equipment insertion loss
3 dB
Room noise criterion
room_noise_criterion_dba
CRIT-12-ROOM-03 room noise criterion
45 dBA
Room area
room_area_m2
ROOM-12-PLAN-03 room area
186 m2
Area per occupant m2
area_per_occupant_m2
OCC-12-SCENARIO-03 area per occupant
10 m2/person

Scored outputs

9 outputs

Room rt60 s

room_rt60_s

Sabine reverberation time

Scores if within ±0.3% of the reference value.

Rt60 margin s

rt60_margin_s

Maximum RT60 minus calculated RT60

Scores if within ±0.3% of the reference value.

Air changes per h

air_changes_per_h

Supply airflow divided by room volume

Scores if within ±0.3% of the reference value.

Hvac source a level dba

hvac_source_a_level_dba

HVAC source level at receiver

Scores if within ±0.3% of the reference value.

Equipment source a level dba

equipment_source_a_level_dba

Equipment source level at receiver

Scores if within ±0.3% of the reference value.

Combined room level dba

combined_room_level_dba

Logarithmic sum of room source levels

Scores if within ±0.3% of the reference value.

Room noise margin db

room_noise_margin_db

Room criterion minus combined source level

Scores if within ±0.3% of the reference value.

Design occupants

design_occupants

Ceiling of area divided by area per occupant

Scores if within ±0.1% of the reference value.

Overall pass score

overall_pass_score

1.0 when RT60, noise, and ventilation 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-12 room acoustic HVAC package
medium:: All source-pack values given for the SSC-12 room acoustic HVAC package
hard:: All source-pack values given for the SSC-12 room acoustic HVAC package

Task bundle

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

/workspace

instruction.md
room-acoustic-hvac-operations-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 checking a task-owned synthetic SSC-12 room acoustic and HVAC operations package.2 3Use only the source pack values below for numeric grading. Room acoustic, HVAC noise, SoundPLAN/CadnaA room schedules, and spreadsheet workflows provide context only; they are not extra data sources for this instance.4 5## Scene6 7- Product: `SSC-12-LH-03`8- Room plan/volume: `ROOM-12-PLAN-03`9- Finish schedule: `FINISH-12-SCHED-03`10- HVAC/equipment schedule: `HVAC-12-SCHED-03`11- Occupancy scenario: `OCC-12-SCENARIO-03`12- Acoustic criterion: `CRIT-12-ROOM-03`13- Room acoustic memo: `MEMO-12-ROOM-03`14 15Compute Sabine RT60, RT60 margin, air changes, two receiver source levels, combined room level, room noise margin, design occupants, and pass score.16 17Write `/workspace/output.md` with a compact memo preserving the object IDs above. Include a source-boundary statement that this is a task-owned synthetic source pack.18 19Do not claim authority approval, accepted project evidence, software export validity, full standards compliance, executable real source-pack parsing, generated benchmark readiness, or benchmark readiness.20 21Include a fenced JSON block with exactly these numeric keys:22 23```json24{25  "room_rt60_s": <numeric_value>,26  "rt60_margin_s": <numeric_value>,27  "air_changes_per_h": <numeric_value>,28  "hvac_source_a_level_dba": <numeric_value>,29  "equipment_source_a_level_dba": <numeric_value>,30  "combined_room_level_dba": <numeric_value>,31  "room_noise_margin_db": <numeric_value>,32  "design_occupants": <numeric_value>,33  "overall_pass_score": <numeric_value>34}35```36

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.

Ssc12 room acoustic case

ssc12_room_acoustic_case

Room acoustic and HVAC operations case

Parameter ranges

room_volume_m3: 720
absorption_area_m2: 165
max_rt60_s: 1.2
supply_airflow_m3_h: 4000
hvac_sound_power_dba: 63
hvac_receiver_distance_m: 18
hvac_insertion_loss_db: 5
equipment_sound_power_dba: 58
equipment_receiver_distance_m: 10
equipment_insertion_loss_db: 3
room_noise_criterion_dba: 45
room_area_m2: 186
area_per_occupant_m2: 10

Example task

ssc12-room-acoustic-case-preview — hard difficulty, all inputs given.

Room acoustic and HVAC operations case. Required outputs: room_rt60_s, rt60_margin_s, air_changes_per_h, hvac_source_a_level_dba, equipment_source_a_level_dba, combined_room_level_dba

The model sees

Scenario context and visible inputs.

room_volume_m3: 720 to 720 m3
absorption_area_m2: 165 to 165 m2 sabins
max_rt60_s: 1.2 to 1.2 s
supply_airflow_m3_h: 4000 to 4000 m3/h
hvac_sound_power_dba: 63 to 63 dBA
hvac_receiver_distance_m: 18 to 18 m
hvac_insertion_loss_db: 5 to 5 dB
equipment_sound_power_dba: 58 to 58 dBA
equipment_receiver_distance_m: 10 to 10 m
equipment_insertion_loss_db: 3 to 3 dB
room_noise_criterion_dba: 45 to 45 dBA
room_area_m2: 186 to 186 m2
area_per_occupant_m2: 10 to 10 m2/person

Executable tool: room-acoustic-hvac-operations-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.

{
  "room_rt60_s": <number>,
  "rt60_margin_s": <number>,
  "air_changes_per_h": <number>,
  "hvac_source_a_level_dba": <number>,
  "equipment_source_a_level_dba": <number>,
  "combined_room_level_dba": <number>,
  "room_noise_margin_db": <number>,
  "design_occupants": <number>,
  "overall_pass_score": <number>
}

room_rt60_s · scored within ±0.3%
rt60_margin_s · scored within ±0.3%
air_changes_per_h · scored within ±0.3%
hvac_source_a_level_dba · scored within ±0.3%
equipment_source_a_level_dba · scored within ±0.3%
combined_room_level_dba · scored within ±0.3%
room_noise_margin_db · scored within ±0.3%
design_occupants · scored within ±0.1%
overall_pass_score · scored within ±0.1%