Questions controls contractors ask
Short, sourced answers to the questions integrators ask about BAS drawings, points lists and submittals.
QuestionsWho is responsible for the controls on a packaged unit?On a packaged unit with its own controller, what belongs to the manufacturer, what belongs to the BAS contractor, and what to ask for before wiring it.
QuestionsShould the engineer include a points list in the design documents?Engineers worry a points list invites change orders. Controls contractors say the opposite: why a points list in the design reduces RFIs and extra costs.
QuestionsWhich points belong on a control drawing?A simple rule for BAS control drawings: show the physical points installed under the project, plus the network points the sequence uses. Not every third-party point.
QuestionsWho should decide the BAS point naming convention?Point naming debates waste project time. Why the convention belongs to the owner, should be written in the spec, and be settled before programming starts.
QuestionsWhy isn't point-to-point checkout done from the graphics?Why BAS point-to-point checkout is done at the controller, not from the front-end graphics, and why the graphics still need their own check afterwards.
QuestionsHow do you keep BAS as-builts up to date?As-builts are not made at the end of the job. How to keep one source file for the BAS drawings so the submittal becomes the record documents without retyping.
QuestionsShould BAS design start before the equipment is approved?Designing controls around provisional equipment usually means designing twice. The information to have in hand before starting a BAS submittal.
QuestionsIs the points list a separate document or a view of the design?Many designers treat the BAS points list as a view of the control schematic and the sequence, not a separate document. Why that matters for consistency.
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Bassirou Thiam · founder of Structio