Vaisala FD12P - Manual (Page 38)

User's Guide _______________________________________________________________________
38 ______________________________________________________ M210296en-A
The following numbers and letters refer to Figure 6 on page 37:
A = Watertight plastic for conducting rainwater away
(recommended)
1 = Concrete block
2 = Surface horizontal to ±0.5°
3 = Ground level
4 = Reinforcing steel
5 = Reinforcing steel or use steel mesh 150 × 150 mm
The Installation Set included in the FD12P delivery contains the
required equipment both for mounting when casting the pad and
mounting to an existing surface. Use the triangle shaped template as
an auxiliary device and remove it before mounting the base plate.
Mounting When Casting the Pad
1. Fasten the three reinforcing plates to the lower end of the
foundation screws with six M16 nuts. See Figure 7 (C, top view)
on page 39.
2. Fix the template to the upper ends of the foundation screws with
six nuts.
3. Embed the assembly in the concrete foundation as shown in
Figure 7 on page 39.
4. After the concrete has set, remove the template.
Mounting to an Existing Surface
1. Drill three, ∅20-mm holes using the template, minimum depth
65 mm. Refer to Figure 7 on page 39.
2. Remove the template.
3. Clean the holes.
4. Fasten the foundation screws to the wedge bolts by hand.
5. Protect the tops of the screws with two nuts tightened together.
6. Then place the wedge bolt and foundation screw combinations
in the holes, wedge bolts down, and hammer the combinations
down.
7. Tighten the foundation screws as tight as possible.