The contract includes design and execution works for the establishment and rehabilitation of transport pipelines, pumping stations, chlorination stations, reservoirs in the communes of Sântămăria Orlea, Totești, Râu de Mori, Sarmizegetusa, Gen. Berthelot, Răchitova, and the establishment of the distribution network in Bărăștii Hațegului.

Within the design and execution contract, the following categories of activities are carried out:

• Establishment of adduction pipelines from the regional water supply system Orlea – Deva – Sântămăria Orlea Branch;
• Establishment of pumping stations from the regional water supply system Orlea – Deva – Sântămăria Orlea Branch;
• Chlorination stations from the regional water supply system Orlea – Deva – Sântămăria Orlea Branch;
• Storage of treated water from the regional water supply system Orlea – Deva – Sântămăria Orlea Branch;
• Establishment of pumping stations from water management facilities in the regional water supply system Orlea – Deva – Sântămăria Orlea Branch;
• Establishment of a SCADA system for water treatment;
• Establishment of a distribution network in Bărăștii Hațegului.

The contract duration is 24 months.

The design and execution works under this contract include the following:

Sector 1: Local Water Supply System in Călărași Municipality
For this sector, the following works were proposed:

Water Supply Pipelines

• Item A-1-1.03 – “Rehabilitation of water supply pipeline Line 2 ‘Chiciu – Călărași’ in the sector undercrossing the Siderurgic Canal”, L = 822 m.

Water Facilities

• Chiciu Water Pre-treatment Station
  • Item GA-3-1.13 – “Replacement of pumps in Chiciu pre-treatment station”;
  • Item GA-3-1.12 – “Construction of a pre-oxidation station in Chiciu pre-treatment station”.
• Călărași Water Treatment Station
  • Item GA-3-1.05 – “Construction of a chlorination station at Călărași water treatment station”.

Distribution Network

• Item GA-3-1.04 – Hydrofor pumping group in Călărași Municipality;
• Item A-1-1.04 – “Flow, chlorine, and pressure monitoring chambers on the existing networks in Călărași Municipality”.

Sector 2: Local Water Supply System in Viișinii
For this sector, the following works were proposed:

Water Source

• Item GA-3-1.16 – “Rehabilitation of the water source in Viișinii”, 2 boreholes and pipeline L = 90 m.

Transport Pipeline

• Item A-1-10.06 – “Water transport pipeline Viișinii – Potcoava”, L = 5,900 m.

Water Facilities

• Rehabilitation of the Viișinii Water Facility:
  • Item GA-3-1.15 – “New water treatment station in Viișinii”, Q = 4 l/s.
    • Sub-item 1 – Flow and raw water quality monitoring chambers;
    • Sub-item 2 – Chlorine pre-oxidation basin;
    • Sub-item 3 – Water treatment station building:
      • 3.1 – Intermediate pumping station;
      • 3.2 – Reagents preparation, dosing, and storage station;
      • 3.3 – Rapid sand and anthracite filtration with washing system;
      • 3.4 – Rapid filtration with CAG and washing system.
    • Sub-item 4 – Sludge facility;
    • Sub-item 5 – Administrative building:
      • 5.1 – Chlorination station;
      • 5.2 – Process laboratory;
      • 5.3 – Local SCADA dispatching for Viișinii.
  • Item GA-3-1.11 – “Construction of a water supply reservoir in the Viișinii water facility”, V = 150 m³.
  • Item GA-3-1.10 – “Pumping group for the distribution network in the Viișinii water facility”.
• Establishment of Potcoava Water Facility:
  • Item GA-3-1.08 – “Construction of a water supply reservoir in Potcoava”, V = 150 m³;
  • Item GA-3-1.06 – “Construction of a chlorination station in Potcoava”;
  • Item GA-3-1.07 – “Pumping group for the distribution network in Potcoava”.

Sector 3: Regional Water Supply System in Fundulea
For this sector, the following works were proposed:

Water Source

• Item GA-3-7.01 – “Extension of the water source in Fundulea”, execution of 21 boreholes and pipeline Ltot = 9,138 m.

Establishment of Fundulea Water Facility

• Item GA-3-7.02 – “Water treatment station in Fundulea”, Q = 77.25 l/s:
  • Sub-item 1 – New flow and raw water quality monitoring chambers;
  • Sub-item 2 – New chlorine pre-oxidation basin;
  • Sub-item 3 – Fundulea water treatment station:
    • 3.1 – Water treatment station building;
    • 3.2 – Pumping station for filtration system intake;
    • 3.3 – Rapid sand filtration with quartz sand + anthracite and washing system;
    • 3.4 – Rapid gravity CAG filtration and washing system;
    • 3.5 – Intermediate water pumping stations.
  • Sub-item 4 – Administrative building:
    • 4.1 – Expansion of the process laboratory;
    • 4.2 – Expansion of local SCADA dispatching for Fundulea;
    • 4.3 – New chlorination station.
  • Sub-item 5 – New sludge facility:
    • 5.1 – Sludge wash water homogenization basin;
    • 5.2 – Sewage pumping station;
    • 5.3 – New gravitational sludge concentrator-decanter.
• Item GA-3-7.09 – “Construction of water supply reservoirs in Fundulea water facility”, V = 2×500 m³.

Distribution Network

• Item A-1-2.07 – “Flow, chlorine, and pressure monitoring chambers on the existing networks in Fundulea Municipality”.

The design works within the contract included the following items and categories of works:

Sector 1: UAT Săpoca – Sewerage Networks in the Localities of Săpoca and Mătești:
Item 1.1: Sewerage Networks in Săpoca

• New sewage network, domestic wastewater, with PVC pipes, SN8, DN 250 mm, L = 19,913 m;
• Inspection chambers for the sewage network – 628 pieces;
• Sewage pumping stations – 5 pieces;
• Pumping discharge pipes, made of PEID, PN 10, DN 90 mm, L = 1,236 m;
• Pumping discharge pipes, made of PEID, PN 10, DN 110 mm, L = 404 m;
• New consumer connections, made of PVC pipes, SN8, DN 160 mm – 712 pieces;
• Integration of the new proposed items into the SCADA system.

Item 1.2: Sewerage Networks in Mătești

• New sewage network, domestic wastewater, with PVC pipes, SN8, DN 250 mm, L = 13,478 m;
• Inspection chambers for the sewage network – 376 pieces;
• Sewage pumping stations – 3 pieces;
• Pumping discharge pipes, made of PEID, PN 10, DN 90 mm, L = 1,210 m;
• Pumping discharge pipes, made of PEID, PN 10, DN 140 mm, L = 2,224 m;
• New consumer connections, made of PVC pipes, SN8, DN 160 mm – 640 pieces;
• Integration of the new proposed items into the SCADA system.

Sector 2: UAT Cernătești – Sewerage Networks in the Localities of Cernătești, Zărneștii de Slănic, Fulga:
Item 2.1: Sewerage Networks in Cernătești

• Extension of the domestic wastewater sewerage network, with PVC pipes, SN8, DN 250 mm, L = 5,864 m;
• Inspection chambers for the sewage network – 207 pieces;
• Sewage pumping stations – 2 pieces;
• Pumping discharge pipes, made of PEID, PN 10, DN 90 mm, L = 988 m;
• New consumer connections, made of PVC pipes, SN8, DN 160 mm – 483 pieces;
• Integration of the new proposed items into the SCADA system.

Item 2.2: Sewerage Networks in Zărneștii de Slănic

• New sewage network, domestic wastewater, with PVC pipes, SN8, DN 250 mm, L = 13,926 m;
• Inspection chambers for the sewage network – 399 pieces;
• Sewage pumping stations – 5 pieces;
• Pumping discharge pipes, made of PEID, PN 10, DN 90 mm, L = 734 m;
• New consumer connections, made of PVC pipes, SN8, DN 160 mm – 495 pieces;
• Integration of the new proposed items into the SCADA system.

Item 2.3: Sewerage Networks in Fulga

• New sewage network, domestic wastewater, with PVC pipes, SN8, DN 250 mm, L = 5,603 m;
• Inspection chambers for the sewage network – 180 pieces;
• Sewage pumping stations – 2 pieces;
• Pumping discharge pipes, made of PEID, PN 10, DN 90 mm, L = 1,580 m;
• New consumer connections, made of PVC pipes, SN8, DN 160 mm – 185 pieces;
• Integration of the new proposed items into the SCADA system.

Sector 3: UAT Beceni – Sewerage Networks in the Localities of Beceni, Mărgăriți, Valea Părului, Izvoru Dulce, Gura Dimienii, Dogari:
Item 3.1: Sewerage Networks in Beceni

• New sewage network, domestic wastewater, with PVC pipes, SN8, DN 250 mm, L = 6,852 m;
• Inspection chambers for the sewage network – 195 pieces;
• Sewage pumping stations – 4 pieces;
• Pumping discharge pipes, made of PEID, PN 6, DN 90 mm, L = 332 m;
• Pumping discharge pipes, made of PEID, PN 6, DN 125 mm, L = 212 m;
• Pumping discharge pipes, made of PEID, PN 6, DN 180 mm, L = 1,059 m;
• New consumer connections, made of PVC pipes, SN8, DN 160 mm – 260 pieces;
• Integration of the new proposed items into the SCADA system.

Item 3.2: Sewerage Networks in Mărgăriți

• New sewage network, domestic wastewater, with PVC pipes, SN8, DN 250 mm, L = 4,033 m;
• Inspection chambers for the sewage network – 107 pieces;
• Sewage pumping stations – 2 pieces;
• Pumping discharge pipes, made of PEID, PN 6, DN 90 mm, L = 236 m;
• Pumping discharge pipes, made of PEID, PN 6, DN 125 mm, L = 165 m;
• New consumer connections, made of PVC pipes, SN8, DN 160 mm – 180 pieces;
• Integration of the new proposed items into the SCADA system.

Item 3.3: Sewerage Networks in Valea Părului

• New sewage network, domestic wastewater, with PVC pipes, SN8, DN 250 mm, L = 5,273 m;
• Inspection chambers for the sewage network – 142 pieces;
• Sewage pumping stations – 3 pieces;
• Pumping discharge pipes, made of PEID, PN 6, DN 90 mm, L = 443 m;
• Pumping discharge pipes, made of PEID, PN 6, DN 160 mm, L = 1,453 m;
• New consumer connections, made of PVC pipes, SN8, DN 160 mm – 238 pieces;
• Integration of the new proposed items into the SCADA system.

Item 3.4: Sewerage Networks in Izvoru Dulce

• New sewage network, domestic wastewater, with PVC pipes, SN8, DN 250 mm, L = 10,296 m;
• Inspection chambers for the sewage network – 263 pieces;
• Sewage pumping stations – 3 pieces;
• Pumping discharge pipes, made of PEID, PN 6, DN 90 mm, L = 803 m;
• Pumping discharge pipes, made of PEID, PN 6, DN 110 mm, L = 1,218 m;
• New consumer connections, made of PVC pipes, SN8, DN 160 mm – 347 pieces;
• Integration of the new proposed items into the SCADA system.

Item 3.5: Sewerage Networks in Gura Dimienii

• New sewage network, domestic wastewater, with PVC pipes, SN8, DN 250 mm, L = 6,409 m;
• Inspection chambers for the sewage network – 182 pieces;
• Sewage pumping stations – 4 pieces;
• Pumping discharge pipes, made of PEID, PN 6, DN 90 mm, L = 613 m;
• Pumping discharge pipes, made of PEID, PN 6, DN 110 mm, L = 400 m;
• New consumer connections, made of PVC pipes, SN8, DN 160 mm – 299 pieces;
• Integration of the new proposed items into the SCADA system.

Item 3.6: Sewerage Networks in Dogari

• New sewage network, domestic wastewater, with PVC pipes, SN8, DN 250 mm, L = 2,659 m;
• Inspection chambers for the sewage network – 85 pieces;
• Sewage pumping station – 1 piece;
• Pumping discharge pipe, made of PEID, PN 6, DN 90 mm, L = 335 m;
• New consumer connections, made of PVC pipes, SN8, DN 160 mm – 115 pieces;
• Integration of the new proposed items into the SCADA system.

Sector 4: UAT Beceni – Wastewater Treatment Plant in Beceni:
Item 4.1: Wastewater Treatment Plant in Beceni

• The plant capacity will be 2,394 PE. The treated water will be discharged into the Slănic River.

The works designed within the contract include the rehabilitation of the Isvarna water intake (the largest surface spring in Romania), as well as the rehabilitation and extension of the existing Isvarna water supply pipeline, Line II, over a total length of 20,505 m.

The design works within the contract included the following categories of works:

• Rehabilitation of the intake chamber, including overflow management at the Isvarna intake, to increase the captured flow to Q=1400 l/s;
• Rehabilitation of the administrative building, including the automation and control room;
• New chlorination station for a flow rate of 922 l/s;
• Loading chamber for the Isvarna Line II pipeline;
• Flow meter chambers;
• Landscaping works, internal systematization, internal roads and parking, fencing of the sanitary protection zone.

The rehabilitation and extension of the Isvarna water supply pipeline, Line II, over a length of 20,505 m, includes:

• New water supply pipeline, PAFSIN DN1200 mm, SN10000 PN6 bar, over a length of 16,095 m, including valve chambers, draining, venting, etc.;
• Pipeline to be rehabilitated using the relining method, by inserting a DN1050 mm PAFSIN pipe SN5000 PN6 bar (special manufacturing) into the existing PREMO DN1200 mm water supply pipeline, over a total length of 3,700 m. In areas where relining is not possible, the existing pipeline will be rehabilitated using the CIPP method (Cured In Place Pipes);
• Existing PREMO DN1200 mm water supply pipeline, to be rehabilitated using the Cured In Place Pipes method, over a total length of 710 m.

The design works within the contract included the following categories of works:

• Section 1 – Existing metal pipeline above ground, DN1200 mm, with a length of 262.50 m – to be completely replaced with a DN1200 mm metal pipeline, including supporting elements.
• Section 2 – Existing PREMO pipeline DN1200 mm, with a length of 885.50 m, to be rehabilitated using the relining method, inserting a DN1050 mm PAFSIN pipe SN5000 PN12 bar (special manufacturing) into the existing pipeline.
• Section 3 – Existing PREMO pipeline DN1200 mm, with a length of 226 m – to be replaced with a new DN1200 mm PAFSIN pipe SN10000 PN12 bar.
• Section 4 – Existing PREMO pipeline DN1200 mm, with a length of 3032.20 m, to be rehabilitated using the relining method, inserting a new DN1050 mm PAFSIN pipe SN5000 PN12 bar (special manufacturing) into the existing pipeline.
• Section 5 – Existing PREMO pipeline DN1200 mm, with a length of 72.70 m, to be rehabilitated using the relining method, inserting a DN1050 mm PAFSIN pipe SN5000 PN10 bar (special manufacturing) into the existing pipeline.
• Section 6 – Existing metal pipeline DN1200 mm, laid in a canal, undercrossing DN65F (north belt of Craiova) with a length of 42.40 m, to be rehabilitated by replacing the existing metal pipeline with a DN1200 mm PAFSIN pipe SN10000 PN10; the existing canal under the national road DN65F will also be rehabilitated.
• Section 7 – Existing PREMO pipeline DN1200 mm, with a length of 4,014.80 m, to be rehabilitated using the relining method, inserting a DN1050 mm PAFSIN pipe SN5000 PN10 bar (special manufacturing) into the existing pipeline.

The design works within the contract included the following items and categories of works:

• Item 2: Floating intake
• Item 3: Raw water transport pipelines
• Item 4: Pre-oxidation
• Item 5: Coagulation-flocculation
• Item 6: Settling
• Item 7: Rapid sand filtration
• Item 8: Post-oxidation with ozone
• Item 9: Granular activated carbon filtration
• Item 10: Reagents station
• Item 11: Final disinfection
• Item 12: Drinking water pumping
• Item 13: Recovery of technological water and sludge, including dehydration and storage
• Item 14: Raw water and treated water metering
• Item 15: Administrative building, dispatching, laboratory, electrical station, thermal plant
• Item 16: Underground networks
• Item 17: Automation and control installations
• Item 18: STAP Dunărea arrangements
• Item 19: Treated water transport pipelines
• Item 20: Rehabilitation of Odaia pumping station
• Item 21: Rehabilitation of Odaia chlorination station
• Item 22: Rehabilitation of Odaia reservoirs
• Item 23: Works for the arrangement of Odaia water facility

The works of this contract are part of the “Regional Project for the Development of Water and Wastewater Infrastructure in Ilfov County, for the period 2014 – 2020,” within the Large Infrastructure Operational Program (POIM).

The project includes the implementation of the following water supply works in Ilfov County: water facilities and pipelines in Ciorogârla, Domnești, Clinceni, Cornetu, Bragadiru, Măgurele, Jilava, Poșta-Bălăceanca (Cernica), Pantelimon (Dobroești), Brănești, Mogoșoaia, Balotești, and Tunari.

The works contract includes both detailed design and the execution of civil constructions, mechanical, electrical, and automation installations, including the supply and installation of associated equipment, for the expansion of water facilities (including the sources) and pipelines.

The design works within the contract included the following items and categories of works:

Item 1 – Rehabilitation of the GA Constanța Sud – Agigea – Eforie Nord – Agigea Water Supply Pipelines

• Rehabilitation of the GA Constanța Sud – Lazu – Agigea – GA Eforie Nord pipeline (DN 500, with a total length of 15,917 m)
• Rehabilitation of the GA Eforie Nord – Agigea distribution network pipeline (DN 500, with a total length of 1,847 m)

Item 2 – Rehabilitation of the Costinești Water Facility

• Electrochlorination station at GA Costinești
• Valve chamber for existing reservoirs (2×1000 m³)
• Treated water pumping station at GA Costinești
• Perimeter fence at GA Costinești
• Outdoor lighting at GA Costinești
• Lightning protection system at GA Costinești
• Anti-burglary security system at GA Costinești
• Building for emergency generator at GA Costinești
• Backup electric generator
• New local SCADA dispatching station
• Internal networks at GA Costinești
• Arrangements (roads, alleys, and platforms) within GA Costinești

Item 3 – Rehabilitation of the Eforie Nord Water Facility

• Electrochlorination station at GA Eforie Nord
• Valve chambers for existing reservoirs (2×5000 m³)
• New pumping group for Agigea (Qmax = 320 m³/h; H = 31 m)
• Perimeter fence at GA Eforie Nord
• Outdoor lighting at GA Eforie Nord
• Lightning protection system at GA Eforie Nord
• Anti-burglary security system at GA Eforie Nord
• Building for emergency generator at GA Eforie Nord
• Backup electric generator
• Extension of SCADA dispatching at GA Eforie Nord
• Internal networks at GA Eforie Nord
• Arrangements (roads, alleys, and platforms) within GA Eforie Nord

The design works within the contract included the following items and categories of works:

Item 1 – Surface Water Intake and Treatment Station

• Sub-item 1.1 – Surface water intake through screens
• Sub-item 1.2 – Pre-treatment building
• Sub-item 1.3 – Treatment building
• Sub-item 1.4 – Treated water reservoirs and pumping station
• Sub-item 1.5 – Mechanical workshop
• Sub-item 1.6 – Transformer station and power supply
• Sub-item 1.7 – Technological networks inside the enclosure
• Sub-item 1.8 – External arrangements
• Sub-item 1.9 – SCADA system including local dispatching, ICA (including for GA Cuciur, pumping stations, and monitoring points in the distribution network)

Item 2 – Drinking Water Supply Pipeline

The pipeline transports drinking water from the surface water treatment station to the connection point with the distribution system:

• Length: 6,823.60 m
• Material: PEID, PN10 RC, Diameter 500 mm

Item 3 – Cuciur Water Facility

• Sub-item 3.1 – Drinking water storage tank – rehabilitation
• Sub-item 3.2 – New chlorination station building
• Sub-item 3.3 – New chlorination station installation
• Sub-item 3.4 – Generator group
• Sub-item 3.5 – Technological networks inside the water facility enclosure

Item 4 – Service Equipment

The surface water treatment station and the Cuciur water facility (GA) have been equipped with specific equipment for efficient operation and monitoring.

The design works within the contract included the following items and categories of works:

Section 1: Focșani Regional Water Supply System
(UAT Focșani, UAT Milcovu, UAT Gologanu, UAT Răstoaca, UAT Tătăranu, UAT Vulturu, UAT Nănești, UAT Măicănești, CJ Vrancea (UAT Ciorăști))

• Item 1 – Focșani Water Supply System
• Item 2 – Milcovu Water Supply System
• Item 3 – Gologanu Water Supply System
• Item 4 – Răstoaca Water Supply System
• Item 5 – Tătăranu Water Supply System
• Item 6 – Vulturu Water Supply System
• Item 7 – Nănești Water Supply System
• Item 8 – Măicănești Water Supply System
• Item 9 – Water Supply Systems, owned by CJ Vrancea

Section 2: Regional Water System Dispatching and Monitoring, including SCADA in UATs within the operating area

• Item 1 – Dispatching of the regional water system

Section 3: Măicănești Wastewater Treatment Plant
The number of inhabitants for which the wastewater treatment plant was designed is 24,750 PE.
The design flow rates for the Măicănești wastewater treatment plant:

Parameter	U.M.	Value
Influent flow rates
Qaverage	[m3/day]	3,576
Q max daily	[m3/day]	4,741
Q max hourly	[m3/hour]	572