Definitions
Dowelled Construction Joints - Dowels either round or square used to create a load transfer mechanism between 2 panels which have been constructed at different time.
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Dowel Sleeve - A dowel sleeve is cast in the panel opposite a dowel and ensures that the dowel’s movement is not restrained, except in the vertical direction. It encloses half of the dowel.
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Dormant Joint - Sawn joint that does not open usually because of failure of crack to form below the saw cut; generally associated with dominant joints.
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Dominant Joint - A joint that opens wider than adjacent (typically dormant) joints in a sawn jointed floor.
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Dock Leveller - A dock leveller is a height adjustable platform between a warehouse floor and a delivery vehicle, allowing Materials Handling Equipment (MHE) to retrieve goods from the vehicle more easily and safely.
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DM3 - Floor classification within appendix C of TR34 which outlines tolerances for surface regularity for floors or very narrow aisle warehouses where the racking height is below 8m.
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DM2 - Floor classification within appendix C of TR34 which outlines tolerances for surface regularity for floors or very narrow aisle warehouses where the racking height is between 8-13m.
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DM1 - Floor classification within appendix C of TR34 which outlines tolerances for surface regularity for floors or very narrow aisle warehouses where the racking height may exceed 13m.
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DIN Meter - Method used to check the floors compliance with Zeile 3 and 4 of DIN 18202.
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Dilapidation Survey - A Dilapidations Survey, or Condition Report, is a comprehensive survey carried out to record the condition of an existing concrete floor slab.
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