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Before the construction of the roofing project, the construction unit should organize technical management personnel to review the roofing project drawings, master the construction drawings of the detailed structure and the relevant technical requirements and the actual situation of the project to prepare the construction plan or technical measures of the roofing project. This avoids leaving defects after construction, resulting in rework, while the project is planned according to the construction organization to prevent work omissions, mistakes, reversals affect the quality of the project.

With the construction organization, the next step of construction should be responsible for the technical delivery to the team. Content includes: construction parts, construction sequence, construction process, construction level, nodes set up methods, enhance parts and practices, engineering quality standards, technical measures to ensure quality, finished product protection measures and safety precautions.

Waterproofing of roofing projects must be waterproofing professional team or waterproofing construction, is strictly prohibited without the qualification level certificate of the unit and non-waterproofing professional team or non-waterproofing workers for waterproofing construction of roofing projects, construction units or supervisory companies should carefully check the induction certificate of construction personnel. Construction units should be construction processes, levels of quality self-inspection, self-inspection, self-correction and good construction records, supervision units do a good job of acceptance of each step of the process, acceptance before the next process, level of operation.

Waterproofing materials used in roofing projects should have material quality certification documents, and certification by the designated quality testing department to ensure that its quality meets the requirements of the relevant standards. Waterproofing materials into the construction site should be accompanied by factory inspection reports and factory certificate, and indicate the date of production, batch number, specifications, name. The construction unit shall be required to take samples for review, sample review in strict accordance with the witness sampling system, in the construction unit representative or supervisory unit personnel witnessed by the construction personnel in the field sampling, sent to the laboratory for testing. After passing the re-inspection, submit the re-inspection test report after passing the application in waterproofing projects. Prohibit the use of unqualified waterproofing materials in the project, unqualified materials should be found immediately all withdraw from the construction site.