Why the drawing set decides the outcome, not the site visit
Most disputes between an integrator and a builder trace back to a decision that was never drawn. By the time framing is up, a missing equipment room dimension or an unrouted conduit path becomes a change order instead of a line on a sheet. The construction-drawing phase is where lighting control, shades, and an entry system typically first appear on an architect's radar — audio, video, and surveillance often lag behind unless a client specifically asks for them, which is exactly why they need to be pulled forward deliberately rather than left to be "figured out" on site, a pattern documented in Understanding What Architects Need from Tech Integration Firms.
Cave Group joins Bergen County estate projects during design development for this reason — see how that coordination works on our Bergen County service page — but the architect's own drafting team still produces the sheets the builder prices from. What follows is organized by sheet, not by system, so those notes land in the right place the first time.
What belongs on each sheet
Reflected ceiling plan (RCP). This is where speaker, keypad, and sensor locations get fixed before millwork or acoustic ceiling details are ordered. In-ceiling speaker cutouts need a committed model early enough that trim rings and paintable grilles match the finish package — architectural in-ceiling models like Sonance's Visual Performance series come in defined cutout sizes with round or square trim options, and that choice affects the framing detail, not just the finish schedule (see Sonance Visual Performance Series). Keypad locations and mounting heights belong here too: a wired keypad mounts into a standard single-gang electrical box, and multiple keypads can share a multigang box with a one-piece faceplate, which is a framing decision, not a trim-out afterthought (Crestron Zūm Lighting Control Manual — Keypad Installation).
Power plan. The equipment room needs dedicated circuits sized to the rack load, and low-voltage control wiring has its own power budget separate from line-voltage. Crestron's Cresnet network, for example, calculates power delivery using wire gauge and run length together — a 24VDC control network has a maximum practical run distance that shrinks as more devices are added to a leg, so the power plan has to account for where control wiring originates relative to the devices it serves, not just where outlets are needed. This is the kind of load-and-distance math that should be resolved with the integrator's input, not guessed at by the electrical engineer working alone. The power plan also needs to show whether AV-over-IP encoders and decoders will draw power from a switch (PoE) or from local power packs, since that decision changes how many circuits the equipment room needs versus how much falls on the network switch's power budget (DM-NVX-350/351/352 Installation).
Millwork elevations. Equipment racks need ventilation clearance called out in the cabinet detail, not assumed. Network-video encoders and similar rack gear vent through multiple sides of the chassis; if a cabinet detail places one of those sides flush against another panel or a solid cabinet wall, the manufacturer's own installation guidance calls for a minimum clearance gap to avoid trapping heat — a detail easy to miss when a millworker is drawing a "clean" built-in cabinet rather than a ventilated equipment bay.
Site plan. Conduit between buildings — main house to pool house, garage apartment, or gatehouse — and conduit to the entry gate need to be sized and routed before the driveway or pool deck is poured. Wireless access points still need a wired PoE run to a switch in most estate designs, and coverage planning depends on knowing where structural obstructions sit; general guidance sizes coverage per access point in the range of roughly 1,000 to 2,000 square feet indoors, which is a starting point for AP count on a site plan, not a substitute for a proper design pass once floor plans are final (UniFi WiFi).
What can wait for submittals versus what must be locked pre-bid
Fixture models, keypad finish colors, and exact rack brand SKUs can reasonably wait for integrator submittals after the contract is awarded — those choices don't change a rough opening, a conduit run, or a circuit count. What has to be locked before the builder prices the job is anything that affects a dimension, a penetration, or a load: equipment room size and ventilation path, keypad box locations and gang counts, inter-building and gate conduit routes, dedicated circuits for the rack, and rough openings for any in-ceiling or in-wall speaker and display locations. Get those wrong on the drawing set and the fix later is framing carpentry and drywall patching, not a submittal revision.
For an owner or architect trying to gauge whether a completed proposal actually reflects this, Cave Group's residential integration process starts with exactly this kind of drawing review. If your project already has a control platform selected, our guide on luxury home AV pre-wire spec covers the wiring decisions that follow once the sheets are locked.