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  1. KRM ELECTRIC

    Floor Span Sizing Calculation of Old Hardwood Timbers

    Update: My engineer responded back and indicated that his approach was based up the existing joists being actual 2x6 at 12” centers. He will be recalculating his numbers. Bridge buster, The entire frame of the house is heavy timbers constructed in bents using mortise and tenon joints with...
  2. KRM ELECTRIC

    Floor Span Sizing Calculation of Old Hardwood Timbers

    Thank you to all for their comments and input! The existing ceiling is plaster and wood lath attached to the underside of the 4 x 8 timber ceiling joists. My wife would love to expose those old joists; but some obvious structural repairs are required. I have entertained the idea of installing...
  3. KRM ELECTRIC

    Floor Span Sizing Calculation of Old Hardwood Timbers

    Hello Everyone, I am an electrical contractor by trade in the process of purchasing a 1780’s Federal Colonial timber framed home located in New Jersey. The years and previous owners haven’t been so kind to the structure. My primary concern is a 20’ x 20’ living room area that sits over a full...

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