- Before the erection of the column must have test records, handed over the remains of all heart bolts clusters of works (see attached drawing)
- Use the anchor cable D10, D12 fixed with cable lock with at least 2 cable according to the most pieces from the top of the column and the column to the ground anchor. The anchor cable installation must be inserted in the column when the column was lying on the ground.
- Forced position vines on top of the column to adjust the crane column being put into place.
- Crane tied up slowly, holding high positions in the column from ground about 50cm to the balance column, the column slowly put into place bolts clusters.
- Tighten all cu ê enough power for all the foundation bolts, the cu be screwed down ê evenly. At the same time minimum 2 anchor cables under way, adjust the cable tension by increasing trimmer and hold the column in the vertical position, balanced.
- Continue erecting the second column in the same manner. Border Bracing second column the first column by purlins boundary wall at the column top position. In cases where the use of port bracing bracing bracing port to two columns.
- Conduct a similar installation for 02 columns symmetrical with two newly erected columns as the above sequence.
- Cables anchored columns are removed only the frame has been completed acceptance (frame alignment is complete, tighten bolts have enough power).
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