Steel pipe scaffold erection shall be in strict accordance with the 'technical specification for construction fastener type steel pipe scaffold safety (
And has authorized the construction organization design requirements for the erection and removal, and please pay special attention to the following items: 1, the scaffolding must show certificates after the examination of the training to the scaffold of the demolition work.
2, before the erection of the use of steel pipe and fittings in accordance with the provisions of the sampling inspection, any serious rust, thin walled, bending bar of fission are not allowed to be used.
All sampling observation unqualified shall all be exits shall not be used.
Based must consolidate 3, scaffolding, and undertake all hardening and drainage measures, after acceptance, to set-up construction can be carried out.
4, each post should be set at the bottom of the base or plate, plate appropriate USES length of not less than two across, the thickness of not less than 50 mm wood plate, steel channel may be adopted.
5, sweeping the floor, the scaffold must be set at the bottom of the longitudinal and lateral direction from the base is not more than 200 mm stud on the top of the vertical rod should be 1 m above the parapet, eaves above 1.
6, the butt joint on the vertical rod fasteners should be staggered, two adjacent stud on joint should not be located within a same step, within the same step at poling of two joints in the height direction of stagger distance apart should not be less than 500 mm.
7, scaffolding set-up, must cooperate with construction schedule should be not more than a build-up of adjacent wall above two steps, each take one step scaffold shall be subject to correction.
8, even the wall parts should start with the first step in the bottom longitudinal bar Settings, vertical to the second step and level every three pole longitudinal distance set a wall pieces.
Scaffold height under 24 m appropriate USES rigid connection, can adopt brace and the top bracing also support the use of the wall connection.
For more than 24 m double-row scaffold, must adopt rigid fittings and building reliable connection.
9, bracing can use lap, lap length not less than 1 m, and should be attached to the stud, longitudinal and lateral horizontal pole synchronous set on both ends of the outer facade all need to set up a bracing, from bottom to top row set.
10, the rail and pedal shall be located in outside the inside of the stud, column board epithelial height should be 1.
2 m, foot height should not be less than 180 mm, centered under the rail should be set up.
11, scaffold board should be covered, shop, leaving 120 - metope
Set-up, 150 mm, shelf section must be experienced qualified rear can use.
12, scaffolding demolition field must be set before the warning zone, hanging eye-catching warning signs, underground monitoring personnel must perform their duties, high-rise building scaffolding dismantling device should be equipped with good communication.
13, demolition work must be carried out step by step a top-down, it is forbidden to up and down at the same time.
In case of strong wind, rain, snow and other special weather, should not be on.
All 14, transmission to the ground rods, fasteners, etc should be classified neatly stacked.
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