"Engineering (design, construction, supply and installation of equipment and supervision) of sewage treatment plant (WWTP) - grams. Asenovgrad." Construction of urban WWTP for 65 500 PE, mechanical and biological stage and degree of purification that meets requirements of Directive 91/271 / EEC. The contractor should develop a project for WWTP -. Asenovgrad on technological scheme - "Nitrification / Denitrification" - Wastewater treatment with activated sludge aeration tanks with nitrification, preliminary denitrification and simultaneous dry. removal of phosphorus and separate anaerobic stabilization of sludge in tank construction. Mechanical dewatering of stabilized sludge. The treatment plant should be sized and perform for 65,500 PE. * The participant must perform design work in compliance with the existing conceptual design and compliance with the approved technological scheme and parameters of input and output of the WWTP, as in the preparation of project work phase will be detailed specific parameters in industrial buildings, individual equipment and elements technological equipment.