To draw a floor plan to scale, sketch the room freehand first, measure every wall in one continuous direction around the room, record the openings and obstructions as you go, then transfer the numbers to graph paper at a fixed ratio. The last step is the one that...
To plan a bathroom layout, put the fixtures on one wall where you can, order them along that wall from the one that needs the most room to the one that needs the least, then check the clearance in front of and beside each one. The door swing is the next check, storage...
To plan a lighting layout, work in three layers — ambient, task and accent — then place fixtures by what each layer has to do rather than by spacing them evenly across the ceiling. Group the switching so each layer can be controlled on its own, keep one color...
To read a house plan, start with the line weights, because the heaviest lines are the walls and everything lighter is either a fixture, something overhead, or a note about the drawing itself. Then find the scale, check the door and window swings, and follow the...
To plan a kitchen layout, fix the positions of the sink, the cooktop and the refrigerator first, set the aisle widths that let someone work and someone else pass at the same time, then build prep and cleanup zones around those three points. Storage goes in afterward,...