256HC Mast SectionHow to prevent typhoon by tower crane in coastal cities often affected by typhoon?
① when the tower crane is not attached, the independent height operation of the design and operation manual of the tower crane shall be strictly enforced, and the ultra-high construction is strictly prohibited.
256HC Mast Section：
http://www.towercranesupply.com/product/256hc-mast-section-liebherr-tower-crane
②. If the weather forecast is over level 12 gale, the tower body shall be strengthened and stabilized with cable and wind rope. The cable wind rope is fixed on the main chord of the standard section about 7m below the lower bracket, with an angle of 45 ° - 60 ° to the ground. The diameter of steel wire rope is Φ 16.
③ any hanging objects such as signs and banners on the tower body shall be removed immediately; any falling objects on the tower body shall be removed immediately.
④ all bolts of the tower body shall be tightened, and the attachment device of the tower body shall be inspected comprehensively to ensure there is no looseness, open welding or deformation.
⑤ check the lightning protection facilities of the tower crane to ensure they are in good condition and effective, and cut off the power line of the tower crane.
256HC Mast Section：
http://www.towercranesupply.com/product/256hc-mast-section-liebherr-tower-crane
⑥ after the shutdown, the luffing trolley shall be put into the boom, the hook shall be put away and no object shall be hung, then the main power supply of the distribution box shall be closed and locked, and the ground distribution box plug shall be removed and placed in the rain shelter. Ensure that the tower crane can rotate freely with the wind when it is not working, and ensure that there is no obstacle within the scope of the boom and the boom or hook of the tower crane.
⑦ listen to and observe the information of typhoon to make preparations for typhoon prevention.
256HC Mast Section：
http://www.towercranesupply.com/product/256hc-mast-section-liebherr-tower-crane
