Case Studies

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:

• 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:
• obtaining approvals and authorizations, drawing up documentation for obtaining the Building Authorization, the Technical Execution Project;
• construction of the transport network for thermal agent and geothermal water, over a length of
• approximately 22 km;
• construction of the geothermal thermal station + 2 reinjection stations;
• making a new borehole for the production of geothermal water with a depth of approx. 2800-2900 m, equipped with an extraction pump in the area of Meiului Street (behind the Orthodox Church);
• the installation, at block level, of 277 mini-thermal points.

Key elements:
The proposed technical solution aims mainly to:
• Increase the use of energy from renewable resources;
• increase energy efficiency;
• increase economic efficiency;
• increase the degree of comfort for consumers.

Economic impact
• significant reduction of fossil fuel consumption through the use of geothermal energy;
• reduction of production costs of the thermal agent for heating.
Social impact
• increasing the thermal comfort of the population and public institutions in the Nufărul I neighborhood.
Environmental impact
• pollutant emissions released by aggregates into the atmosphere are insignificant;
• reduction of CO2 emissions by approximately 13.167 tons of CO2/year through the use of geothermal water and heat pumps;
• noise pollution will be greatly reduced;
• thermal and chemical pollution will be zero through the re-injection of thermal waste water;
• installations using geothermal energy do not pose any risk to the environment.

Activities:
• the rehabilitation of 4.03 km of route belonging to the first main thermal network and the rehabilitation of 3.025 km of the secondary thermal network as well as the metering and balancing of a number of 24 consumers.

Key elements:
• increasing the length of the rehabilitated primary thermal networks by 8.06 km rehabilitated primary thermal network and 6.05 km secondary thermal network;
• reduction of pollutant emissions produced by the urban heating system in the city of Constanța as a result of the investment made within this project.
• reduction of thermal energy losses in the transport networks by 52.00 TJ/year.

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:
• 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:

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

Key elements:

• flow rate pumping station SPA Nămoloasa: 14.832 m³/h;
• flow rate pumping station SRPA I: 13.680 m³/h.

Activities:
• upgrade of the existing Miercurea Nirajului Local Operational Center (COL) of the water plant;
• the integration into COL APA of the 5 existing PMs;
• execution of RTU cabinets, assembly and integration of existing PMs without monitoring – 13 pieces;
• integration of 30 water parameters measurement points (flow+pressure) executed in other contracts.

Key elements:
• hardware and software upgrade, SCADA, WINCC.

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.