technical reserve
Technical preparation includes drawing review and research, formulation of construction scheme, technical measures and quality requirements, technical training, and determination of inspection items and methods.
material preparation
Material preparation needs to calculate the material requirements of each period during construction according to the actual situation, construction area and construction progress.
Site condition preparation
Site conditions preparation requires that the site materials and tools storage site be prepared, and the site should be ventilated without heat source; Materials should be graded.