Method statement for Erection of segmental Viaduct

Method statement for Erection of segmental Viaduct All staff working within segmental viaduct erection areas shall wear the personal protective equipment(PPE). Traffic management for construction shall be announced to all parties. Preparation drawing and checking at the site. Action to prevent materials from dropping onto the bottom. Level and all position shall be determined by the surveyor. Erection formwork. After the form traveler is completely moved to its position shall be fully locked and full inspection. The moving process of the form traveler set shall be careful. Install prestressing bars to transom beam. Mechanical pot bearing shall be installed Lift and more segment into the erected span. Erection of viaduct segment. Adjust the level of the segment. Attach segment to hanging equipment. Install post-tension cable. Stressing post-tension. Grouting tendon. After segmental viaducts in the span are erected, the alignment shall be performed to ensure that leveled. Release all wire ropes. Remove the temporary pre-stress bar. The working area shall be clean.