The object we consider with due priority at work sites is the performance of mounting operations under requisite quality conditions of our products by remaining bound to pre-determined work schedules. This unit effectuates also provision of manufacturing organization, submission before mounting process to employer of mounting details in order to seek approval from him, protection in the course of mounting and haulage of the products. All mounting details are readied by engineers and architects at work in the project design department and submitted to resident engineer for approval. Within this entire process, by using all communicative tools which the up-to-date technology offers and by doing periodical coordination meetings, it is made sure that the manufacturing runs without any trouble to manifests itself. The structuring of work sites hinges upon the size the project has. The handing over of work sites to employer following termination of mounting operations will be done by work sites management.