2.22 (Above) Elevation giving information about external plumbing
2.23 (Facing page) Diagrammatic cross-section through a multi-storeyed building. Virtually all the information it gives may be conveyed more fully and intelligibly by other means -the frames will be built from the structural engineer's drawings; the doors will be manufactured from information to which the joiner is directed from the appropriate schedules, and will be installed in positions given on the floor plans; the construction of the external walls will be found on strip sections amplified as necessary by larger scale details. A cross-section such as that shown has its functions, but they are likely to be advisory -i.e. letting the contractor see the sort of building he is embarking upon - rather than directly instructing him what to build and where to build it
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