Steel Buildings in Europe

Part 2: Concept Design 2 - 25 7.5 m 6 m 6 m 48 m 13.5 m T L L T S L S L – Lift; S – Stairs; T – Toilets Figure 4.1 Column grid for a naturally ventilated office 7.5 m 7.5 m 7.5 m 7.5 m 15 m 15 m 30 m 15 m 60 m 45 m L T L L L L T S S L S L – Lift; S – Stairs; T – Toilets Figure 4.2 Column grid for long span floor in a prestige air conditioned office 4.2 Dimensional coordination The choice of the basic building shape is usually the Architect’s responsibility, constrained by such issues as th e site plan, access, building orien tation, parking, landscaping and local planni ng requirements. The following general guidance influences the choice of structure.  Between sources of natural light there should be 13,5 m and 20 m intervals  Naturally lit and ventilated zone s extend a distan ce of twice the floor-to-ceiling height from the outer wa lls – artificial li ght and ventilation is required in other zones

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