Article 2.1.1 Materials of the template and holder shall be steel, wood or new materials. The steel should be consistent with the No. 3 steel standard in the "Ordinary carbon steel grades and general technical conditions" (GB700-79). The timber should be consistent with the selection criterion of bearing structures under Code for construction quality acceptance of timber (GBJ206-83) , the tree species can be selected according to regional conditions, and the material grade shall not be under Ⅲ grade. Article 2.1.2 The template and holder must be in accordance with the following provisions: First,ensure the shape, size and position of engineering structures and components in each part is correct. Second, have enough strength, rigidity and stability, to withstand the weight and lateral pressure of newly poured concrete, as well as load generated in the process of construction.Third, simple structure, convenient assembly and disassembly, convenient for reinforcing bar colligation and installation and concrete pouring and curing process. Fourth, tight template joints without spillage. Article 2.1.3 The design, fabrication and construction of composite steel template, large formwork, climbing form and so on shall be in conformity with the relevant professional standards. Article 2.1.4 The contact surface of template and concrete shall be coated with separant. Do not use separant which will hinder the construction of decoration project. Article 2.1.5 The templates and holders shall be properly maintained, and the steel formwork and steel supports shall be prevented from corrosion.
