01.01.2022
ASSEMBLY AND OPERATING MANUAL DEGER D25H, D60H, D80 and D100
Page 17
5.1.4
Creating concrete foundation
1.
Excavate top soil, install and affix formwork. Lay wire-
mesh steel into formwork and insert a spacer to ensure
minimum concrete coverage (10 cm). Insert conduit for
cable.
2.
Install preassembled bent bar-steel (reinforcement cage)
into the centre of the foundation and insert a mast spacer
centrally (height approx. 5 cm).
Please consider to provide
enough space for any conduit runs.
Option 1:
3.
Insert mast into the form on top of the mast spacer in
the center of the form. Make sure the borehole in 1.3m
above foundation faces into specified direction (probably
north). Affix mast with 2 reinforcements against rotation.
There is no need to pay attention regarding the positions
of the bores in the flange. The mast must be grounded
with a suitable grounding conductor in accordance to the
local electricity code.
ATTENTION!
The conduit inside the mast must be at least 10 cm above the top edge of the concrete foundation.
Align mast vertically and secure with belts in at least three directions. The mast must be exactly vertical.
Pour out with concrete C25/30 and compact the foundation.
ATTENTION!
Fill up mast up to the top edge of the foundation.
Option 2:
3.
Prepare a formwork around the bent bar-steel (reinforcement cage) in the center. The structural integrity of
the formwork should absorb the pressure of the surrounding concrete once pour out. Pour out with concrete
C25/30 (without the area for the bent bar-steel in the center), compact the foundation and allow the concrete
to harden for at least two days.
4.
Remove formwork in the center. Insert mast into the middle. Make sure the borehole in 1.3m above
foundation faces into specified direction (probably north). Affix mast with 2 reinforcements against rotation.
There is no need to pay attention regarding the positions of the bores in the flange. The mast must be
grounded with a suitable grounding conductor in accordance to the local electricity code.
ATTENTION!
The conduit inside the mast must be at least 10 cm above the top edge of the concrete foundation.
Align mast vertically and secure with belts in at least three directions. The mast must be exactly vertical. Fill up
the bent bar-steel in the center and mast base up
to the top edge of the foundation using grout concrete
C25/30 (flow able) and compact the concrete.
ATTENTION!
Fill up mast base up to the top edge of the foundation.
Use concrete
backfill from
mast base to
foundation top
edge
1,3 m
Borehole for
cable outlet
The concrete should be allowed to harden
for at least 2 days before any further
installation work is done!
Manufacturer
’s instruction must be
followed.
