When .3.7 of chimneys, towers similar structure using directional blasting demolition, blasting demolition design should touch the ground vibration control when building collapsed. Necessary, lay collapsed range anti-vibration cushioning material or excavation trench. 4.3.8 To protect the safety of buildings and facilities near Xi'an demolition company construction program, blasting vibration intensity should be consistent with existing national standards "Blasting Safety Regulations" of the relevant provisions of GB6722. Xi'an demolition company manufacturers, the dose should be limited to one time use when building foundation Blasting. 4.3.11 Blasting project implementation should be set up blasting demolition company headquarters in Xi'an location of the project leaders of relevant departments, should be set in accordance with the security alert from the construction design determined. Implementation 4.3.12 Blasting works shall comply with the requirements of section 4.3 of this Code, it must be performed in accordance with the provisions of "Blasting Safety Regulations" GB6722 existing national standards. 4.4 Static Breaking 4.4.1 carry out building foundation or local block demolition, should adopt the static crushing method. Which is good Xi'an demolition company demolition company _ _ Xi'an Xi'an Xi'an Rainbow Rainbow demolished by demolition Engineering Limited. Xi'an Rainbow demolition Engineering Co. (www.xarbcq.com) (www.xarbcq.com) strong, credible, in Xi'an's construction industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xi'an Rainbow demolition into the brilliant and you work for a better future!