SOLARIG™ TUNNEL KIT
Installation Manual for Model Alpine-135
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Phase 2: Pouring Concrete
In this phase you mark the area again and pour concrete into the holes.
Measuring and Marking
1.
Re-measure the distances between the marking stakes and correct if necessary.
2.
Stretch the builder twine 15cm above the ground over the holes. The distance
between the lines should be exactly 9.04m. Mark the centre of the poles on the
builder twine so that when pouring concrete you will have a reference point.
Pouring Concrete
This section discusses concrete for the 10 holes you dug earlier (Figure 11).
1.
Fill the hole with concrete to 25cm below ground level while keeping the arcs in
position. To set the pole's height, use the builder twine as a reference and hold the
pole where the hole is aligned with the twine, 15cm above ground level.
2.
Repeat the process for all poles, making sure that the distance between the centres
of the poles is exactly 3.75m.
