*. Insert a column:-Check the size of the geometry column, grab the seal by heart 2 method, determine the focus and high marks.-When fitting the column to the right column construction cranes nails from horizontal posture up upright under 2 is dragged and turned.+ The method usually applied to dragging up these columns when the crane has no hands needed (the crane column.)+ Rotary crane method to manipulate gently, do not worry about overloading applies to erect the heavy column > 8 tons.-Choose the instruments hanging tied concrete columns (the hanging wire, hanging, friction clamp blow) depending on weight, size, shape, location of crane racks of columns.-After the erection of the column on the nails need to check the location of the foot of the column than required by the design tolerances, according to table 1 attached to the temporary and fixed column footer on the nails then subsequently liberated crane cranes. When columns are still hanging should adjust columns by hand or by horizontal blow of heart for road star items on the body column and on the Foundation Cup match.-Check the shoulder height of columns or column peak level by automatic. Check the stand of the column by using the theodolite or by result dọi dóng parallel attendance of two plane perpendicular to each other. Test basis as required by the design and tolerance in table 1 attached.-Fixed temporary measures columns on nails depending on the structure of your home and the mounting method, often used fixed wooden fasciculus, the wood must be dry, solid and good wood length is 25 cm. fasciculus after closing to slits have to nail a hand knob 12 cm.
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