Installation of the Upper Base Elements
Next, the upper Right and Left elements, together with their drives, are to be assembled upon the
installed lower elements. Before placing the upper parts into position, the mating surfaces should be
sealed with sealant, same way as with the lower parts to the slab.
Figure. 19
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preparation for installation of the top of the observatory base
Figure. 20
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sealing of the observatory base elements
Figure. 21
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sealing of the observatory base elements