Case Studies

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 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:
• rehabilitation of 22 km of route belonging to the first major pipeline, as well as the connecting strap between the two major pipelines.

Key elements:
• increasing the length of the rehabilitated primary thermal networks by 43 km rehabilitated primary thermal network (22 km route);
• reduction of thermal energy losses in transmission networks by 42.311 Gcal / year (177.15 TJ/year);
• reduction of polluting emissions produced by the district heating system in Constanța.

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 of secondary thermal networks in length of approx. 20 km;
• thermomechanical works to replace pipes (round-trip heating, domestic hot water, domestic hot water recirculation) located underground in thermal channels with pre-insulated pipes;

Key elements:

• making the heating system more efficient:
o reduction of network losses;
an increase in the detection speed and the accuracy of locating faults in the network;
o reduction of network maintenance and operation costs;
• reducing the negative effect on the environment and the health of the inhabitants by: reducing the amount of emissions of greenhouse gases and other pollutants, as a result of the reduction of fuel consumption.

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).

According to the contract, Elsaco Electronic performs:

• technical design and assistance (technical documentation necessary to obtain approvals / agreements / authorizations, technical design and execution details, technical quality check of the technical design and execution details;
• technical documentation and works at TP Caporal Bălan in order to obtain ISCIR boiler operation authorization;
• equipment acquisition and installation (boilers, chimney, pumps, expansion module, softening station, heat exchanger, storage vessel, fan, counters, valves, transducers, sensors, detectors, automation system);
• execution and commissioning works (thermal and sanitary installations, electrical and automation installations, metering facilities, natural gas installations, emissions and seismic detection, gas channels and chimneys);
• technical assistance works;
• preparation of AS-BUILT documentation;
• drawing up a technical building book.

Activities:
• Technical Project, documentation, authorizations and approvals;
• thread II adduction pipe extension works and existing adduction pipe rehabilitation works;
• connecting thread II of the supply pipe to the existing capture chamber;
• special works: construction or rehabilitation of road crossings and river crossings;
• rehabilitation of existing manholes and / or construction of any manhole with necessary insulation, emptying and ventilation valves;
• monitoring system;
• rehabilitation of chlorination station and administrative building;
• testing, commissioning, staff training.

Key elements:
• adduction pipe extension works: 1.587 m;
• adduction pipe rehabilitation works: 18.858 m.

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:

• 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.

Within this complex project of design and execution will be carried out works for rehabilitation of two pumping stations and water distribution channels in the national irrigation system, as follows:
• design services, including documentation for obtaining approvals, agreements, authorizations;
• construction works (building rehabilitation, social facility, fencing, alleys, rehabilitation of water distribution channels);
• hydromechanical works (replacement of pumping units, pipelines, selectors, compensators, flow meters);
• Medium Voltage and Low Voltage electrical installation works, automation and surveillance (outdoor lighting, indoor lighting, atmospheric discharge protection, 6kv pumping aggregates, electrical automation panels, CCTV).

Within this project, Elsaco Electronic performs:

– pumping stations (replacement of pumping units, suction and discharge pipes, hydromechanical installations and fittings, provision of priming and ventilation facilities);
– adduction channels (cleaning works, mechanized reprofiling, filling of broken tiles, rehabilitation of floors, replacement of valves);
– Pipes / collectors (suction pipes, duct / discharge manifolds, priming plant, exhaust system, aeration-deaeration connection pipe defense dam).

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.