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Plan lettering outlined (259 text chars, title block only); thermostat symbols read by eye off the page image and located in PDF points. Both already counted on E3.0 (thermostat J-box, kn 2) -- marked here as corroboration, no takeoff line.
Names come from: no legend on this sheet, so NECA 100-2006 is what a name rests on. It is the baseline for what a symbol MEANS, never for matching shapes — proportions differ per firm. Confirming a name here is a correction, and corrections are what build the firm's file.
Scale is 3/16"=1'-0" — 13.5 points per foot. Read off the title block, so measurement off this sheet is available. A later correction flags any measurement taken under the old scale as stale rather than silently recomputing it.