Tuesday, 18 September 2012

Straighten/Level Bearers

  • Measure and cut two square 3.5m lenghts of 150 by 50mm.
  • Measure and cut four square 6m lenghts of 150 by 50mm.
  • Lay out timber on piles and join two rows of timber which equal 15.5m.
  • Nail two nails every 300mm while swapping between two opposite angles.
  • Lay out all four bearers upon the anchor piles.
  • Construct four shorter bearers to form two long rectangles.
  • Nail home.
  • Check parallels/ diagonals
  • Use sledge hammer to adjust bearers to make square.
  • Construct two shorter bearers to connect the two rectangles to form one rectangle.
  • Nail home.
  • Check parallels/ diagonals
  • Use sledge hammer to adjust bearers to make square.
  • Straighten/ String line/ Dodge
  • Set up dumpy on tripod
  • Pack bearers for each anchor pile with the dumpy set at 1.43m
  • Check parallels/ diagonals


150 by 50mm timber laid out to find the correct cuts i.e Two 6m lengths and one 3.5m lenght. Two rows of timber per bearer inverted.

Nail gun on two different repeative angles per 300mm to increase strenght of the bearer.

Dumpy level used to see if the bearers are level and which ones need packing.

Bearers joined from lenght and width to help keep the building square.

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