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Concrete FlooringHere the surface has been smoothed and is almost complete. Notice how there is only a very thin layer of moisture on the surface. Water is an enemy of concrete, too much is not a good thing.dozer
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Floor just after being pouredThe poured floor. The bathroom will be hand poured later. The floor is appx. 7 cm thick.
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Poured FoundationThe poured foundation - which includes the outside ground beam (plus interior ground beams) and the poured floor surface. The floor was poured on top of the ground beam, so the level of the foundation increased by appx. 7 cm during the pour. Notice the plumbing in the bathroom and the vertical rebar each 40 centimeters.
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Bathroom FloorThe bathroom floor being rough finished in prep for tiling. This bathroom floor was hand poured due to the 5 cm difference in elevation. Notice the plumbing has been secured in place prior to the pour.
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Use of Metal Scaffolding helps with Plumb LinesReally tall metal scaffolding to be used in conjunction with laying the load bearing walls. Since there are no columns being used, extra attention to detail needs to be paid to laying the block work true. The scaffolding helps in this regard as a plumb line is set up and affixed to the metal scaffolding, which isn't subjected to movement as wood scaffolding would be
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Metal PlumbA 1 kilo metal plumb weight is used to determine the plumb line, which is affixed to the top of the metal scaffolding. The plumb lines will stay in place during the laying of the block walls.
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Plumb and Helper LinesThree lines are used at each corner, one plumb line along with a line to set the straight line for that particular side. The lines are clear lengths of heavy gauge fishing line.
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This shows the relative size of the large cinderblocks along with the crushed stone aggregate that will be used in concrete within every other hole of the blocks. The walls thus created will be load bearing walls, every other hole will be filled with 12mm metal rebar and concrete to make the embedded support columns.
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Column within the Load Bearing WallPouring a support column within the cinderblock. A support column within the load bearing walls is a concrete column surrounding vertical rebar.
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Cinderblocks being laid in a CornerThis shot shows the blocks being laid in place at a corner. The holes with the 12mm rebar will be filled with concrete to create vertical columns of support each 40 centimeters around the entire design. Also, you can see the use of the guide lines to keep the block work vertically and horizontally straight.
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Block being laidLaying another block in place. The blocks are lifted up over the vertically extending rebar and laid into place.
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Horizontal Support BeamA 10 cm horizontal support beam is designated to be poured at a height of 80 cm (4 blocks) off the floor. Each load bearing wall will have 3 horizontal beams (not including lintels), at a height of 80 cm, 210 cm and 300 cm.
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