Of or relating to the third stage of psychosexual development in psychoanalytic theory, from about ages three to six, during which gratification is focused on sensations associated with the genital organs. The phallic stage is preceded by the anal stage and followed by the latency period. phalâ²liÂ·calÂ·ly adv.
Treads and Risers. The tread size (min 10ins / 25.4cm) is dictated by the average adult foot size, although it is not necessary to be able to fit your entire foot on a tread in order for walking up the stairs to be both comfortable and safe. The riser height (max 7Â¾ins / 19.7cm) is limited by the way in which we come down the stairs.
by Sean O'Hara on. I received a question about stair width from one of our clients and thought it made sense to clarify the typical stair design rules for houses. These are the rules that are in the 2006 International Residential Code. Stairways have to be at least 36â³ clear width above the handrail height.Handrails canât project more than 4.5â³ into each side. You need at least 80â³ of head height throughout the stair. The maximum height of a riser is 7.75â³ and the treads have to be at least 10â³ deep.Treads also need to be a minimum of 4â³ tall.tairways have to be at least 36â³ clear width above the handrail height. Handrails canât project more than 4.5â³ into each side. You need at least 80â³ of head height throughout the stair. The maximum height of a riser is 7.75â³ and the treads have to be at least 10â³ deep. Treads also need to be a minimum of 4â³ tall.