Based testing equipment: basic equipment-based construction unit should provide quality certificates: mainly the concrete mix, concrete and concrete strength meets the design requirements. If in doubt assembly of equipment for basic strength, you can rebound the ball hit the instrument or labeling method on the basis of test intensity. On the basis of visual inspection: based primarily on the surface without quality defects observed cellular, hemp noodles. Position in the metrology, on the basis of size: test based on the coordinate position of major projects, large equipment to install a different plane elevation, size flat shape and size, the boss installation image, the plane cavity size, horizontal and vertical degrees mainly, elevation and center bolt spacing embedded, embedded bolt hole center position, depth and the hole wall, vertical, elevation, central location, slotted bolt anchor plate anchor plate embedded activities and Dies anchor level and so on. Lifting process must direct the designated persons lifting work is a professional and strong, dangerous work, lifting process must direct the designated persons and should be experienced personnel as a conductor, others must obey the command. Lifting command are not allowed to serve as rigging work should be carefully observed the surroundings installation location, ensure that the signal is correct. Cranes at the ground, lifting operations at high operating conditions must be specifically set signal transfer personnel to ensure clear and accurate driver to see and hear the command signal. Electrical Equipment Installation _ Lu trusted (authenticated) _ City Central equipment installation provided by Shandong Zhonglu mechanical equipment installation Limited. Shandong Lu Machinery Installation Co., Ltd. (www.sdlzqz.com) Shandong Jinan, industrial maintenance, installation of leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Lifting leadership in Shandong Lu in the staff warmly welcome all inquiries negotiations to create Shandong Lu lifting a better future.