Building Definition Language

The Fluid System Model shall represent networks carrying liquids or gases.

Fluid Systems may include:

potable water;

non-potable water;

wastewater;

stormwater;

hydronic fluid;

ventilation air;

refrigerant;

fuel gas;

fire-suppression media.

Each Fluid System shall define:

fluid identity;

source;

destination;

network topology;

direction;

pressure;

temperature;

flow;

cleanliness class;

Components;

valves;

pumps;

drains;

vents;

isolation points;

test points;

leakage requirements.

Example:

fluid_system Cold_Water_System {

fluid: potable_water;

source: @Main_Water_Service;

normal_pressure: 350 kPa;

maximum_pressure: 700 kPa;

];

}

A Fluid Connection shall define:

fluid_connection Kitchen_Cold_Water_Connection {

from: @Kitchen_Cold_Water_Branch.interface;

to: @Kitchen_Service_01.cold_water_interface;

nominal_diameter: 19 mm;

seal: @Seal_KCW01;

state: commissioned;

}

Wastewater representation shall include:

gravity-flow direction;

slope;

venting;

trap relationships;

solids passage;