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task library
built templatehydrant-flow-testwith-tool

Water Supply Curve

Develops a hydrant water supply curve from static pressure, residual pressure, and measured test flow using the standard 0.54 flow-test exponent. The template reports the curve coefficient, target residual flow, and available flow at 20 psi.

inputs

4 fields

context

2 archetypes

engine

with-tool

outputs

4 scored fields

contract fields

Parameter Map

4 inputs to 4 scored outputs

  • static_pressure_psi

    float

    Static pressure before flow test

    1 to 300psi

  • residual_pressure_psi

    float

    Residual pressure during flow test

    0 to 250psi

  • test_flow_gpm

    float

    Measured test flow

    1 to 20000gpm

  • target_residual_pressure_psi

    float

    Target residual pressure

    0 to 250psi
pressure_drop_test_psitol 0.03

Pressure drop during the flow test

curve_coefficienttol 0.03

Water supply curve coefficient

flow_at_target_residual_gpmtol 0.03

Flow at the target residual pressure

available_flow_20psi_gpmtol 0.03

Available flow at 20 psi residual pressure

visibility contract

Difficulty Ladder

all_giveneasy

All parameters given for a municipal hydrant

all fields visible
all_givenmedium

All parameters given across hydrant supply curves

all fields visible
all_givenhard

All parameters given for an industrial fire main

all fields visible

scenario bands

Archetype Atlas

municipal_hydrant

2 contexts

Municipal hydrant water supply curve

static_pressure_psi80 to 140
residual_pressure_psi20 to 70
test_flow_gpm500 to 3000
target_residual_pressure_psi20 to 60

municipal-hydrant / street-main-flow-test

industrial_fire_main

2 contexts

Industrial fire-main water supply curve

static_pressure_psi120 to 220
residual_pressure_psi30 to 100
test_flow_gpm1000 to 8000
target_residual_pressure_psi20 to 80

industrial-fire-main / site-hydrant-flow-test

rendered task

Generation Preview

industrial-fire-main-industrial-fire-main-preview

difficulty
hard
visibility
all_given
archetype
industrial_fire_main
site context
industrial-fire-main
instruction excerptwater-supply-curve_calc.py

visible fields

  • static_pressure_psi120 to 220 psi
  • residual_pressure_psi30 to 100 psi
  • test_flow_gpm1000 to 8000 gpm
  • target_residual_pressure_psi20 to 80 psi

withheld schema

pressure_drop_test_psicurve_coefficientflow_at_target_residual_gpmavailable_flow_20psi_gpm
Industrial fire-main water supply curve. industrial-fire-main. Required outputs: pressure_drop_test_psi, curve_coefficient, flow_at_target_residual_gpm, available_flow_20psi_gpm