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Print Reading, RFIs & Trade Coordination

Blueprints, drawings, RFIs, clashes, other trades, structural conflicts, superintendent coordination, and field sketches.

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Print Reading, RFIs & Trade Coordination questions

How do I find the duct elevations (Bottom of Duct / BOD) on the mechanical plans?2nd Year · Check first What does a "hash mark" with a number inside a duct run mean on a blueprint?2nd Year · Check first What is the symbol for a drop (duct going down) versus a rise (duct going up)?2nd Year · Check first How do I cross-reference the mechanical plan with the reflected ceiling plan (RCP)?2nd Year · Check first What does it mean when the print says "field verify" for a dimension?2nd Year · Check first What does "NIC" mean when it's stamped next to a piece of equipment?2nd Year · Check first Who has the right-of-way in a ceiling plenum: Ductwork, Gravity Plumbing, or Sprinklers?3rd Year · Check first How do I negotiate a clash with the electrician's cable tray?3rd Year · Check first How do I install ductwork around a structural column without ruining the airflow?3rd Year · Check first What do I do if the architectural ceiling is dropped lower than the plans state?3rd Year · Check first How should I handle a radius elbow that will not clear a beam?3rd Year · Check first Who has right-of-way when a pipe is already in the duct path?3rd Year · Stop / Verify How do I handle duct connections when the ceiling space is too tight?3rd Year · Check first Can a structural column pass through a low-pressure return duct?4th Year · Stop / Verify Sprinkler pipe is sitting on my TDC flange3rd Year · Stop / Verify What do I do if another trade ties cable to my duct hangers?2nd Year · Check first Why is it bad to hang a main duct in front of an AHU coil access door?3rd Year · Stop and Get Direction Can a seismic strut touch a medical gas or copper pipe?3rd Year · Stop and get direction Can a duct hanger rod block a fire sprinkler spray pattern?2nd Year · Stop and get direction Can duct be notched or squeezed around a storm drain pipe?3rd Year · Stop and get direction Can I move or cut a seismic cable to make my 45-degree offset fit?3rd Year · Check first