BEFORE THE ARCHITECT – BUILDER DRAWINGS – schematic
Commercial Leasehold Improvement, Plumbing Layout
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You'll find the sort of plumbing schematic here that you generally won't find elsewhere. It's not only in plan view, but also in 3d design line perspective. Take a look at this commercial application, a supplemental drawing to the lessor's blueprints. What the client got was the standard build out set of prints, which had to be amended mightily to make things right for the lessee, the AG's client.
There are three other sets of Autocad drawings in this website involving this commercial build out in one or more of its several phases —
First, we'll see this supplemental schematic in plan view.
This is the whole top end of a blueprint sheet which is attached to other sheets showing other versions of this commercial build out. This pic is meant to convey a notion of where plumbing fixtures will eventually go once the build out is finished. In this instance, the plumbing rough-in will follow all the framing rough-in for walls and ceilings, so referencing the placement of plumbing fixtures relative to built walls is relevant — the plumber can see these built elements before he begins his work.
Let's take a closer view of the area to be plumbed.
Separately, it has been made clear that the utility sink has to be as far right as possible on its proximate wall, in order to stand free and clear from the ADA-required $1000 two-tiered drinking fountain which may be installed between the bath passage and the utility sink — subsequently required. (There is an entire page of blueprinted instructions on the ADA installations in this commercial build out's set of plans.) Similarly, the double sink will be centered in its space. All the plumbing fixture symbols are noted in a legend just below this print section. Nothing is left to chance misunderstanding.
The key to this effort from a plumbing rough-in standpoint is to get things in the correct order and orientation. (The size of pipe, the siting of traps and vents are left to the rigors of the local Plumbing Code.) One way to do this would be to provide two or three elevations of the to-be-plumbed area. Another is via a 3d design line drawing. Here it is.
If you're a plumber, everything you need to know is here on this line-drawing (in addition to the local Plumbing Code and the professional experience of materials and applications), given your foreknowledge from the plan view and the fact that the roughed framing preceded your work. The Autocad Granddad added the legend more for your understanding of what's happening than for the professional's. This line drawing incorporates not only what the client wants and needs supplementally, but also relates those elements to the original blueprint plumbing schema; hence, the reference to toilet, etc.
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