Case Studies

Activities:
• design;
• works execution;
• tests and commissioning.

Key elements:
• 5 internal combustion engine units, operating on natural gas (52 MWe and 45 MWt);
• 4 hot water boilers (100 MWt);
• heat accumulator;
• heating medium pumping station;
• chemical water treatment station;
• thermal degasser for the preparation of make-up water;
• electrical station for connecting generators;
• premises connections and networks.

Activities:
• design;
• works execution;
• tests and commissioning.
Key elements:

• nominal thermal capacity of at least 160 MWt:
  • cogeneration plant: 5 units with internal combustion thermal engine, operating on natural gas, with an individual capacity of approx. 10.4 MWe + 9 MWt, in a flexible configuration which allows the use of green hydrogen mixed with natural gas;
  • auxiliary thermal energy production facility: 4 hot water boilers with an individual capacity of 25 MWt, 2 steam boilers with a capacity of 12 t/h, in a flexible configuration which allows the use of green hydrogen mixed with natural gas;
  • thermal degassing and additional water pumping station in the district heating network;
  • heat accumulator;
  • thermal agent pumping station related to thermal energy production facilities;
  • set of water boreholes to feed the water treatment plant;
  • electric generator connection station;
  • connections and networks in the premises.

Activities:
• design;
• works execution;
• tests and commissioning.
Key elements:
• total capacity: approx. 138 MWt + 31.5 MWe;
• cogeneration plant: 3 CHP units operating on natural gas mixed with green hydrogen, with an individual capacity of approx. 10.2 MWt + 10.5 MWe;
• separate thermal energy production facility: 4 hot water boilers with an individual capacity of 25 MWt, a steam boiler with a capacity of 12 t/h, operating on natural gas mixed with green hydrogen;
• thermal degassing station and water injection into the SACET primary thermal network, with a maximum capacity of 50 m3/h;
• heat accumulator with hot water storage capacity of approx. 8,500 m3;
• heating agent pumping station for the SACET primary heating network, with a maximum capacity of 4,000 m3/h, equipped with 4 variable speed pumps.

Activities:
•design and obtaining all required permits, approvals, and authorizations;
•construction and installation works;
•testing and commissioning.
Key Elements:
• rehabilitation of 0.29 km of primary district heating network route, corresponding to 0.58 km of district heating transmission (primary) pipelines;
• rehabilitation of 18.8 km of network route, corresponding to approximately 70 km of secondary district heating distribution pipelines for heating, hot water, hot water recirculation, serving 23 heat substations;
• rehabilitation of equipment in 37 heat substations;
• rehabilitation and modernization of the SCADA system.

Activities:
• design;
• construction and installation works, including:
o pipeline replacement;
o rehabilitation of existing transmission mains;
o optimization of district heating network routes;
o digitalization of the district heating transmission system;
• testing and commissioning.

Key Elements:
• replacement of 19,445 m of primary district heating network route, corresponding to approximately 38,890 m of supply and return pipelines;
• implementation of a monitoring, alarm, and automation system enabling continuous supervision of the network’s condition and rapid identification of potential failures;
• rehabilitation of four main transmission mains and two interconnecting sections through insulation restoration, covering approximately 4.47 km of network route.

Activities:

• technical project with execution details and documentation for the Construction Authorization;
• execution of works and commissioning of the installations:
  • rehabilitation of 7,270 km of primary heating network pipes (3,635 km route of primary heating network sections * 2 return pipes);
  • rehabilitation of 26,850 km of secondary heating network pipes (7,170 km route of secondary heating networks);
  • rehabilitation of constructions, thermomechanical and automation works for 6 Thermal Points;
• tests and  commissioning;
• operator personnel training.

Activities:
Design and execution for the rehabilitation of the primary heating network related to Lot 1 Magistrala II SUD:

• decommissioning of existing pipes and cleaning the thermal gallery;
• rehabilitation of the thermal gallery and tanks;
• installation of isolation valves in existing tanks;
• execution of electric connection fireplaces;
• execution and installation of fixed and mobile supports, installation of pre-insulated pipes;
• welding works, sleeves, insulation works, fittings;
• pressure tests;
• installation and commissioning of the breakdown monitoring system;
• installation of data transmission cable and line units.

Activities:
Design and execution for the rehabilitation of the heating network related to the Grozăvești main heating network II-III:

• decommissioning of existing pipelines;
• installation of isolating valves in existing tanks;
• execution and installation of fixed and mobile supports;
• welding works, sleeves, insulation works, fittings;
• pressure tests;
• connecting the signaling wires between the pipe sections and checking their continuity;
• installation of the data transmission cable.

Activities:
• design;
• acquisition of materials and equipment;
• execution of works;
• commissioning the installations;
Key elements:
• rehabilitation of 23.255 km of thermal distribution/secondary network route, related to 12 thermal points.

Activities:
Design and execution for the rehabilitation of the heating network related to the following main heating networks – II South; II-III Grozăvești; V Grozăvești; Progresu-Berceni; II West; I-II-III West:

• decommissioning of existing pipelines;
• installation of isolating valves in existing tanks;
• execution and installation of fixed and mobile supports;
• welding works, sleeves, insulation works, fittings;
• pressure tests;
• connecting the signaling wires between the pipe sections and checking their continuity;
• installation of the data transmission cable.

Activities:
• design and execution of rehabilitation and expansion works for 2.2 km of thermal transport network route;
• the modernization of 41 thermal modules, by installing new fully automated thermal modules;
• testing and commissioning (PIF).

Activities:
• technical design services;
• construction works;
• supply and installation of technological machinery and equipment;
• works for automation and data transmission in the SCADA system;
• testing and commissioning.

Activities:
• design;
• construction works (rehabilitation of water intakes, chlorination stations; construction of pre-oxidation station, treatment stations, chlorination stations, establishment of water management, sludge management, water supply tanks, replacement of pumps, tanks, transport pipes, pumping group, etc.);
• supply and installation of machinery and technological equipment;
• automation and data transmission works in local SCADA and regional SCADA;
• testing and commissioning.

Activities:
• rehabilitation and extension of Nicolae Bălcescu and Salcia treatment plants: endowment with high-performance equipment for treatment and monitoring of drinking water quality.

Key elements:

• maximum daily flow of 540 m3/h – Nicolae Bălcescu treatment and pumping station;
• maximum daily flow of 490 m3/h – Salcia treatment plant.

Activities:
• rehabilitation and retrofit of the pumping stations SPA 6 Martie and the repumping station SRPA 1 – 6 Martie;
• rehabilitation of water supply and distribution channels CA0, CA1 and CA2;
• rehabilitation of related hydrotechnical constructions.

Activities:

• modernization of the irrigation infrastructure;
• construction works and hydromechanical installations;
• rehabilitation of electrical installations.

Key elements:

• flow rate pumping station SRPA 1+3: 59.400 m3/h;
• flow rate pumping station SRP 4: 44.280 m3/h.

Activities:
• design and implementation of a centralized SCADA system;
•supply of equipment and software licenses;
•testing and commissioning.
Key elements:
• three main modules:
o Central SCADA Control Center – Wastewater Treatment;
o Central SCADA Control Center – Water Treatment;
o Central SCADA Control Center – Water Supply and Sewer Networks.
• establishment of the Central Control Center and Local Control Centers;
• PLC applications for the automation of technological processes;
• SCADA applications for centralized monitoring and control of facilities;
• configuration, installation, and commissioning of the hardware and software infrastructure;
• IT infrastructure management and monitoring solutions;
• centralized data backup and recovery solution;
• virtualization platform to ensure service continuity;
• cybersecurity solutions, including security incident management and vulnerability management;
• physical security systems, including intrusion detection systems, video surveillance, and fire detection/alarm systems.

Activities:
• integration of existing objectives into the SCADA system;
• implementation of Videowall systems;
• optimization of data transfer between the GIS platform and the SCADA system;
• training of VITAL personnel who will operate the system.

Under the contract will be performed:

– designing and executing works for automation, electrical installations;
– SCADA Regional Water System development / implementation in the Galați county operating area;
– SCADA Regional Sewerage System development / implementation in the Galați county operating area;

The project aims at carrying out works in water and wastewater infrastructure in 22 territorial administrative units in Galați county, including the municipalities of Galaţi and Tecuci and the town of Bereşti.