Insulate steam piping up to the inlet flange or connection to traps or thermostatically controlled valves. Specify and enforce this requirement. Include valves, fittings and drip legs. O. Condensation 1. Review the location of all piping and ducts in any atmosphere that would cause condensation due to the temperature of the contents in the pipe or duct in relation to surrounding temperature.
Example is cold water pipe or cold air duct in warm ceiling space.
Specify proper insulation and vapor barrier for each condition. Example is a dishwasher hood exhaust duct. Pitch all waterproof ducts to a drain outlet. Specify and detail drip pans, with drain piping, below all cooling coils. This also applies to building ventilation cooling coils.