- Concrete quality must be better than K30. If the foundation is prefabricated, the foundation has to be prepared with lifting hooks.
-
Preferable conduit type:
- Material: PVC
- Minimum diameter: 50 mm (1.97 in)
- All conduits sealed with plugs to prevent water entry
- Pullstrings placed in all conduits
| Center the reinforcement in the concrete foundation. |
- 1
- All bars are joined with steel thread, Ø 1.5 mm (0.16 in) (see detail A) or welded (see detail B)
- 2
-
Item 1: length 400 mm (15.75 in) (20 pcs)
Item 2: length 520 mm (20.47 in) (20 pcs)
Item 3: H (final length of the foundation) = H − (2 × 48 mm / 1.97 in)
- 3
- Concrete reinforcing bar Ø 8 mm (0.35 in)