4.2.8 Remove the bridge should be dismantled deck ancillary facilities, and accessories and railings. 4.3 Blasting 4.3.1 blasting demolition work should be based on the ambient conditions, removal of the object, building category, blasting scale, according to the current national standard "Blasting Safety Regulations" GB6722 The project is divided into A, B, C three, and act accordingly safety measures. Blasting engineering and safety assessment should be made after the relevant local approval before implementation. Demolition work flow (1) enclosure: After signing the contract in accordance with the size ratio manual region were Weidang Xi'an demolition company qualification, scope should be dismantled according to building structures, highly Xi'an demolition company prices, construction and related environmental and other external conditions construction, enclosure all parry with hard white Oh quasi enclosure by Xi'an municipal engineering factory demolition company, a height of 1.8 meters, the Department of color steel blue with yellow luminous paint the lower part of the cement bottom enclosure set every 10 meters Warning signs and nighttime light indicator. Xi'an demolition company prices | Xi'an Rainbow Demolition (certified) | Xi'an demolition demolition company from Xi'an Engineering Co. Cariboo. Xi'an Rainbow demolition Engineering Co. (www.xarbcq.com) (www.xarbcq.com) is Xi'an, leading the construction, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. Rainbow in Xi'an demolition leadership with the staff warmly welcome all inquiries negotiations to create Xi'an Rainbow Demolition better future.