In New Buildings:
Insulator application is done in the following order in new constructions:
• Performing soil analysis.
• Site-specific earthquake hazard analysis, control and approval of the analysis by TGUA-1.
• Preparation of the architecture.
• Determination of TGUA-5 and getting approval for architecture before starting static calculations.
• Preparation of static projects with insulators and preliminary analysis.
• The isolator manufacturer's design of isolators according to preliminary static analyses, structural properties and seismicity (determination of insulator budgetary costs).
• Analyzing and checking the static project once again with the final isolator parameters, making corrections if necessary and finalizing the project. Obtaining TGUA-5 approval.
• Production and quality control tests (prototype and production tests) of insulators. With these tests, the design parameters of the insulators are verified.
• Installation of insulators on site.
• Completion of superstructure construction.
• The licensing and approval processes are also progressing at this time. This process, which was very problematic before 2018, has been facilitated by the publication of the new earthquake regulation and the earthquake insulation section in this regulation. In addition, the awareness of the systems in the sector has increased, especially with the applications that started with hospitals, and this has facilitated the approval processes.

Detailed information about the Design Supervision system, which has been specified as TGUA above, is available in the document titled "Communiqué on Design Supervision and Control Services to be Made within the Scope of the Turkish Building Earthquake Regulation" published in the Official Gazette dated 11.01.2019, you can find it HERE.

Things to consider for retrofit projects with insulators:
• It cannot be applied if the structure is adjacent or it should be applied to all adjacent structures at the same time.
• It is necessary to have an extra and empty floor where the isolator will be applied (warehouse, parking lot, etc.). Otherwise, the floor on which the insulator is placed will not be insulated.
• Although the building itself will not be touched and the occupants will not need to evacuate their belongings, the occupants of the building will not be required to be in the building while the works are being carried out on the foundation of the building (within the framework of OHS rules).
• On the floor where the insulator will be applied, it is very likely that the structural elements will need to be strengthened.
• In order to clearly understand whether the structure is suitable for reinforcement with insulators, an expert team must first see the structure, then the strength checks of the structural elements should be made and the preliminary analyzes should be carried out by creating the static model of the structure. The strength of the building, the way of sitting and its architecture affect this whole process.
• Except for these items, the processes written for the standard structure are valid.