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| The border stones requiring sub-grade concrete edge restraints are then set over a mixed concrete sub-grade footing that has been constructed to hold the border stone in place so as to prevent lateral movement of the pave stone field. After the border stones have been set in the concrete sub-grade
footing, the installation crews will insure that there is proper alignment of the border stone to the field stone. During this step, the plate vibrator is passed over the installed field to set the pave stones into place. |
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