1, the width and height of the bridge to select the table, and should conform to the cable true rate not exceeding the standard specification value, the power cable is desirable 40, the control cable is desirable 50, additional need to leave 10-25 type development allowance.
2, all kinds of bend and attachment specifications should conform to the conditions of the project layout and supporting the bridge.
3, support, hanger specifications of the choice, should be based on the bridge rack specifications, layers, span and other conditions configuration. And should meet the requirements of load.
4, bridge cross-section of the selection of the area see table