Bridging scaffold should strengthen support scaffolding tube base, and use stow-wood pad, each layer must be connected to the building firm. At the ends of the Angle steel truss should be assembled on the ground, truss must be stuck on both sides of the Angle steel support frame.

With chain or lever hoist ascends to fine the insurance rope, should immediately after a hung up with the supporting frame. 22, with steel pipe erection of derrick, promulgation and adjacent joints staggered not less than 50 cm, tringle and bracing (cross brace) to be installed at the same time. Slippery course must be vertical, two rails spacing error must not exceed 10 mm. 

1, the vertical scaffolding rod should be vertical steel pipe scaffold stability on the metal base or mat wood. Stud spacing shall not be greater than 2 m; Small bar spacing shall not be greater than 1.5 m. Steel stud, main rail joints should be staggered, to connect fastener tighten bolts, are not allowed to use the wire tie. Scaffold made of 2, wood pole should be buried 30 ~ 50 cm, buried to dig holes before, will consolidate and at the bottom of the mat with brick, in case of digging or unable to dig a hole, should be tied to sweep the floor. 

please be sure to follow the following matters, otherwise it may have collapsed to fall and other major accident:

1, do not use defective and damaged parts.

2, please follow the installation sequence and the allowable load.

3, please abide by the attention on the use and construction.

4, please before the mobile scaffolding, let all the workers from the scaffolding operation platform to the ground.

5, movement speed is less than 0.75 m/s, before moving, such as universal wheel by reason of the friction, failed to turn in place, do not forcibly push-pull stents and cause damage of the wheel, overturned.

6, should avoid as far as possible to support the level of the sudden shock, impact.

7, every 1.8 mx0.9 m homework, load should be less than 200 kg.