102 Haggs Road: goal post frame, picture frame and full load path
A domestic alteration where the load path was rebuilt from foundation to roof, with steel goal post and picture frame arrangements designed alongside timber elements and a full wind loading assessment.
What the project needed.
Alterations substantial enough that the existing load path could not simply be patched. New openings needed framed support, the roof structure needed checking, and the foundations had to be reconsidered beneath the new load positions.
Work carried out
- Goal post steel frame design
- Picture frame steel design
- Timber lintel design
- Roof rafter design
- Timber stud wall design
- Wind loading assessment
- Proposed foundation plan
- Existing ground floor survey drawing
What 102 haggs road actually involves.
A goal post frame carries load across a wide opening where the walls above and beside it are being removed, transferring vertical load down through columns rather than into masonry that is no longer there. A picture frame does the same in both directions where an opening is formed in a wall that also provides lateral restraint. Both were designed here because both conditions occurred.
The calculation set covers the full load path rather than the headline elements. Steel beams and columns, timber lintels, roof rafters and stud walls were all designed, and the wind loading was assessed rather than assumed, because removing internal walls changes how lateral load is resisted as well as how vertical load is carried.
The foundation plan was reissued because new column positions concentrate load where a strip footing was previously carrying a distributed wall load. That is a common consequence of framed alterations and a common omission.
102 Haggs Road
29 site photographs, 37 drawings and calculation reports, and a full calculation package.
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