Home > Environment / CSR activities > Quality Initiatives Quality Control Standard (TOSEI-QC-10) ISO9001 (Quality Management System) Main check items of TOSEI-QC-10 Quality Control Standard (TOSEI-QC-10) Strict quality control based on TOSEI-QC-10 is implemented in all development properties. In order to provide safe and high-quality products and give our customers peace of mind, the Tosei Group has established its own quality control method "TOSEI-QC-10" and conducts strict quality control. All quality related to construction management of offices, commercial facilities, and houses to be developed is managed by our company, design / construction supervisor, and construction manager based on "TOSEI-QC-10", especially in the eyes of our customers. By focusing on inspections and confirmations of parts that cannot be reached, we thoroughly manage quality control for safety and security. Through such continuous efforts, we strive to improve quality and homogenization, and improve customer satisfaction. Return to top of this page Main check items of TOSEI-QC-10 We have established and operate "TOSEI-QC-10 Apartment House" as a quality control standard for condominium development, and "TOSEI-QC-10 Office / Commercial Facility" as a quality control standard for office building and commercial facility development. For all quality control processes from building layout to foundation work, construction, and completion, more than 80 inspection items are set under 10 major items, and detailed checkpoints set for each inspection item are inspected. We carry out thorough quality control by keeping records from pass / fail judgment, reconfirmation, and final confirmation. Post-casting inspection of structural concrete Waterproofing inspection Pre-construction inspection for wall / ceiling PB pasting work We inspect the condition of concrete surfaces on floors, walls, and ceilings that are hidden by finishing, and the accuracy, size, and shape of columns and beams. We perform water filling and sprinkling tests after checking the smoothness and water gradient of concrete hidden by waterproofing work. We will focus on inspecting hidden parts that customers cannot see, such as the thickness of the heat insulating material, the condition of various substrates, electricity, ventilation, and air conditioning. Return to top of this page ISO9001 (Quality Management System) The Building Planning Department of Tosei Corporation has acquired ISO9001 certification for planning, design, construction management and after-sales service (regular inspection) of condominiums, office buildings, and commercial buildings. In addition, the Tosei Community, a group company, has acquired ISO9001. (Planning and provision of comprehensive management services for condominiums, office buildings, and rental condominiums) Environmental Initiatives Management system Quality Initiatives With the community and society With employees CSR report Return to top of this page site policy privacy policy Display under the Financial Instruments and Exchange Act Solicitation policy for sales of financial products, etc. Policy on grievance and dispute resolution measures related to financial instruments transactions Copyright © 2014 Tosei Corporation