Pan buckle scaffolding erection control points

Pan buckle scaffolding erection control points

1、According to the dimensional markings on the configuration drawings of the support frame, the correct placement. Erection range according to the design drawings or Party A specified, with the erection of the support frame at any time for correction.

2、Place the adjustable base to the corresponding position after the foundation is placed. Pay attention to the bottom plate of the base when placing, the material of uneven bottom plate is strictly forbidden to use. The base wrench can be adjusted to the position of about 250mm from the base plate in advance to facilitate the adjustment of the elevation when erecting. Put the mainframe sleevepart of the standard base facing upward into the adjustable base, and the lower edge of the standard base should be completely placed into the groove of the force plane of the wrench. Set the cast head of the crossbar into the small hole position of the disc, make the front end of the cast head of the crossbar against the round tube of the main frame, and then knock tightly fixed with a slanting wedge through the small hole.

3、After erecting the sweeping bar, the whole frame should be leveled to ensure that the frame is at the same level and the deviation of the horizontal bar of the frame is not more than 5mm. the exposed length of the adjustable base adjusting wire rod should not be more than 300mm, and the height of the bottom level bar from the ground as the sweeping bar should not be more than 550mm.

4、Arrange vertical inclined rods according to the requirements of the program. According to the specification requirements, combined with the actual erection of the site, vertical tilt rod arrangement is generally divided into two forms, one for the matrix type spiral (i.e. lattice column form), one for the "eight" symmetric form (or "V" symmetric). The specific implementation of the program is the main.

5、Adjust and check the verticality of the frame with the erection height of the frame, and allow ±5mm deviation of the verticality of each step of the frame (1.5m high), and ±50mm or H/1000mm deviation of the overall verticality of the frame (H is the overall height of the frame).

6、The cantilever length of adjustable bracket extending the top level bar or double channel steel joist is strictly prohibited to exceed 500mm, and the exposed length of the wire rod is strictly prohibited to exceed 400mm, and the length of adjustable bracket inserted into the vertical bar or double channel steel joist shall not be less than 200mm.

7, frame holding column, tie and other structural measures should be in line with the requirements of the program.