Chilled water supply |
Roof drainage |
Chilled water return |
Roof drain overflow |
Heating hot water supply |
Sanitary sewer above & below grade |
Heating hot water return |
Sanitary sewer vent |
Low/medium/high pressure steam |
Acid vent |
Low/medium/high pressure condensate |
Acid waste |
Refrigerant liquid/suction |
Domestic hot & cold water |
Pumped condensate |
Natural gas |
Boiler blow down |
Deionized/RO water supply |
Boiler feed water |
Deionized/RO water return |
Fuel oil return |
Compressed air |
Fuel oil supply |
Vacuum |
Fuel oil vent |
Nitrogen |
Glycol heating water supply |
Instrument air |
Glycol heating water return |
Nitrous oxide |
Condenser water supply |
Medical oxygen |
Condenser water return |
Medical vacuum |
Make up water |
Soft domestic water |
Heat recovery supply |
Medical air |