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task library
built templatedriveway-accesswith-tool

Driveway Gradient Check

Calculates the driveway gradient as a percentage from the level difference and horizontal distance, then checks compliance against location-specific maximum gradients defined in AS/NZS 2890.1:2004 and typical Australian council development control plans. Covers transition zones, residential and commercial internal sections, garage approaches, and shared pedestrian/vehicle paths.

inputs

4 fields

context

4 archetypes

engine

with-tool

outputs

3 scored fields

contract fields

Parameter Map

4 inputs to 3 scored outputs

  • start_level_m

    float

    Start level of the driveway section (reduced level)

    0 to 200m AHD

  • end_level_m

    float

    End level of the driveway section (reduced level)

    0 to 200m AHD

  • horizontal_length_m

    float

    Horizontal distance of the driveway section

    1 to 50m

  • location_type

    enumfrom archetypehidden in hard

    Driveway section location type determining the maximum allowable gradient

    transition_zoneinternal_residentialinternal_commercialnear_garagepedestrian_shared
gradient_pcttol 0.03

Calculated driveway gradient (%)

max_allowable_gradient_pcttol 0.01

Maximum allowable gradient for the location type (%)

compliancetol 0.01

Compliance with maximum gradient (1.0 = pass, 0.0 = fail)

visibility contract

Difficulty Ladder

all_giveneasy

Flat suburban site, all parameters given, transition zone only

all fields visible
all_givenmedium

Any archetype, all parameters given, any location type

all fields visible
partialhard

Location type hidden, agent must infer from site and driveway description

location_type

scenario bands

Archetype Atlas

steep_hillside_house

2 contexts

Steep hillside residential driveway with significant level change

start_level_m32 to 48
end_level_m34 to 52
horizontal_length_m8 to 20
location_typeinternal_residential, near_garage

sydney-north-shore-hillside / hobart-steep-residential

flat_suburban

2 contexts

Flat suburban residential driveway with gentle grade

start_level_m14 to 16
end_level_m14 to 16.5
horizontal_length_m5 to 12
location_typetransition_zone, internal_residential

brisbane-suburban-flat / adelaide-plains-residential

commercial_carpark

2 contexts

Commercial car park driveway access from street to parking level

start_level_m18 to 22
end_level_m18.5 to 24
horizontal_length_m8 to 30
location_typetransition_zone, internal_commercial, near_garage

melbourne-cbd-carpark / perth-commercial-precinct

shared_access

2 contexts

Shared pedestrian and vehicle access path in a mixed-use development

start_level_m10 to 12
end_level_m10 to 12.5
horizontal_length_m6 to 15
location_typepedestrian_shared, transition_zone

canberra-mixed-use-development / gold-coast-shared-access

rendered task

Generation Preview

sydney-north-shore-hillside-steep-hillside-house-preview

difficulty
hard
visibility
partial
archetype
steep_hillside_house
site context
sydney-north-shore-hillside
instruction excerptdriveway-gradient-check_calc.py

visible fields

  • start_level_m32 to 48 m AHD
  • end_level_m34 to 52 m AHD
  • horizontal_length_m8 to 20 m

withheld schema

location_typegradient_pctmax_allowable_gradient_pctcompliance
Steep hillside residential driveway with significant level change. sydney-north-shore-hillside. Required outputs: gradient_pct, max_allowable_gradient_pct, compliance