Preparing foundations for concrete pour - DKP711SET - DKP721SET

DKP721SET and DKP711SET Installation Manual

Document code
M211835EN
Revision
C
Language
English (United States)
Product
DKP711SET
DKP721SET
Document type
User guide
  • Cable conduit Ø 70 mm (2.76 in)
  • Hammer
  • Pen or marker
  • Saw
  • Shovel (1 to 2 pcs)
  • Spirit level
  • Stands for reinforcement structure
  • Steel wire
  • Tape
  • Steel reinforcement, 12‑mm (0.47‑inch) deformed steel
  • Wood for building the mold
Wear protective eyewear, gloves, and a safety helmet.
  1. Make a cast mold from wooden boards for the concrete foundation.
  2. Dig a hole for the foundation.
  3. Spread a layer of gravel and level the gravel with a wooden board.
  4. Compact the gravel with a plane compactor or similar device.
  5. Consider the individual site requirements and use drainage pipes if the ground on the site is wet.
  6. Build the steel reinforcement structure into the cast mold.
    • Use 12‑mm (0.47‑inch) deformed steel. The distance between the horizontal layers is approximately 200 mm (7.87 in).
    • Use stands under the reinforcement structure and steel wire to hold the structure.
    1
    Steel reinforcement, 12‑mm (0.47‑inch) deformed steel
    2
    Cable conduit, Ø 70 mm (2.76 in)
  7. Assemble the foundation set for the mast:
    1. Screw the foundation bolts to the wedge bolts.
    2. Fix the lower plate with the cable ties to the foundation bolts.
    1. Fix the upper plate with the cable ties (under the plate) and 3 nuts to the foundation bolts. The top of the foundation bolts must be approximately 80 mm (3.15 in) above the upper plate.
      1
      Foundation bolt (3 pcs)
      2
      Hex nut (3 pcs)
      3
      Guide plate (2 pcs)
      4
      Cable tie (6 pcs)
      5
      Hit anchor (3 pcs)
  8. Place the foundation set into the mold and tie with wire to the steel reinforcement bars.
    Check the correct alignment of the foundation assembly to meet your local requirements.
  9. Attach two 2‑by‑4‑inch wood planks with screws to the cast mold so that they hold the foundation set in the middle of the cast mold.
  10. Attach the foundation set with screws to the planks and with wire to the steel reinforcement bars.
  11. Check that the foundation bolts are at the correct height, vertical, and on the same level with each other.
  12. Place 2 cable conduits in the cast mold and tie the cable conduits with wire to the steel reinforcement bars.

    The recommended inner diameter of a single conduit is 50 mm (1.97 in) and the maximum outer diameter 70 mm (2.76 in).

  13. To protect the threads of the foundation bolts from concrete splashes, use electrical tape or similar.