ΥΠΟΔΕΙΓΜΑ ΤΕΧΝΙΚΗΣ ΠΡΟΣΦΟΡΑΣ.pdf

Here is a concise summary of the text in its original language (en is not applicable as the text is in Greek, but I will provide a summary in English):

The document outlines the technical requirements for a water management system, including the provision of a comprehensive system for managing the water network in the city of Kavala. The system should include various components, such as water meters, pressure regulators, and wireless controllers. The document also specifies the technical specifications for each component and requires the submission of technical documents, such as catalogs, technical sheets, and certificates.

The document also requires a radio frequency coverage study to be conducted to ensure that the wireless controllers can communicate effectively with the central control station. The study should use specialized software and digital geographic data to predict the coverage area and identify the optimal locations for the installation of the wireless controllers.

The document specifies the parameters that should be calculated and reported in the study, including the spreading factor, data rate, and transmission power. The study should also take into account the technical specifications of the equipment to be used and comply with relevant regulations and standards.

Overall, the document provides a detailed technical specification for a water management system and requires the submission of various technical documents and studies to ensure that the system meets the required standards.