Finally one considers the space or size requirements of each department, i.e. arrange the departments to fit the shape of the building and its non-movable areas, such as loading dock, stairways etc. often this step involves making certain that a very noisy, dusty or fume-producing department is not adjacent to offices or other departments upon which it may have a negative effect.
Hatimaye mmoja atazingatia nafasi au ukubwa mahitaji ya kila idara, yaani kupanga idara za walionao sura ya ujenzi na wake maeneo yasiyo ya movable, kama vile upakiaji kizimbani, stairways nk mara nyingi hatua hii inahusisha kufanya baadhi ya kwamba kelele sana, vumbi au fume-huzalisha idara si karibu na ofisi au idara nyingine juu ambayo inaweza kuwa na athari hasi.