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Question
I would like to widen the distance between the support columns in my basement. The beam is a W8X21 with a trib width of 15 feet supporting a 1-story ranch w/no load bearing walls. The columns are now evenly spaced at 13' but if moved to 15' I can hide one in a wall. I know new piers would need to be poured, but just want to make sure I'm reading the structural tables correctly (DL20/LL40).
Hi Paul, you should be okay. Worst case scenario would be a little more bounce in the floor system. This bounce can be offset with another row of bridging between the joists preferably over the beam if you don't have one already at at mid span between the beam and outside walls..I hope this information helps feel free to write again regarding this or other matters, sincerely bruce e johnson..bejohnsonconsulting.com
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Answers by Expert:
Bruce E. Johnson
Expertise
I can answer any construction related question in regards to carpentry, concrete, drywall, masonry, structural elements of any type of building, residential or commercial. Interior or exterior.
Experience
Custom Commercial and residential buildings. Churches, theaters, schools and auditoriums. Most recently I am working with the Catholic Church on several design build committees. I have a website related to scheduling and project supervision. Although my expertise is more related to multimillion dollar commercial, educational and theatrical projects my generous credentials in residential and remodelling construction make me a viable source of information regarding all forms of building questions.
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