„EXTENSION OF THE AIR SUPPLY SYSTEM IN THE AERATION TANKS OF WWTP KUBRATOVO “

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„EXTENSION OF THE AIR SUPPLY SYSTEM IN THE AERATION TANKS OF WWTP KUBRATOVO “

Employer/ Beneficiary: “MONTAZHI CO” EOOD/ SOFIA MUNICIPALITY by concessioner „SOFIYSKA VODA “AD

Implementation period: 05.2023– 07/2023

Design parameters:
Modernization of the existing automatic system for air supply to the aeration tanks of WWTP Kubratovo – delivery, installation and commissioning of two new turbo-blowers, while at the same time aiming to achieve maximum energy efficiency. The scope of project development included the following activities:

  • Dismantling of the old equipment – 1 pc. blower, incl. accompanying installations;
  • Delivery and installation of two new turbo-blowers, connecting fittings, pipes, electric installation and connection of the delivered equipment (including delivery and laying of cables, circuit breakers, cable trays, pipes, etc.);
  • Delivery of instrumentation, programmable logic controllers (PLC), electrical switchboards, communication devices, control panels, distribution boxes, etc.;
  • Integrating the control of the new turbo-blowers into the existing programmable controller, controlling the existing air supply system;
  • Provision of communication link of the new equipment to the existing SCADA system.

Performed activities:

  • Activity 1: Detailed design according to Ordinance No. 4/21.05.2001 on the scope and the content of investment projects in all design parts;
  • Activity 2: Assistance in coordinating the project documentation for all design parts with the relevant control authorities, operating companies and institutions;
  • Activity 3: Carrying out design supervision by relevant experts on all design parts.