The documents describe several infrastructure projects involving construction of water supply, wastewater, and transportation systems through installation of pipes and construction of related facilities. The projects involve laying thousands of meters of pipes of various diameters to improve water distribution, wastewater collection, and transportation networks.

1. infrastructures
group

3. 2nd SECTION OF THE ADDUCTOR OF PISÃO - BEJA,
OF THE PRIMARY WATERING SYSTEM OF ALQUEVA MULTIPURPOSE
DEVELOPMENT.
contracting authority: EDIA, s.a.
location of the works: Beja
contract value: 13 691 008,00€
Brief description of the work
1. Pumping Conduct of Álamo – Reservoir of Beringel. At the reservoir of Álamo it will be installed the Pumping Station of
Álamo, with the function to raise this reservoir to the Reservoir of Beringel. In this station will be installed 6 pumps with a
total capacity of 7.46 m3 / s. The pumping conduct is made of a DN2500 pipe and has about 1500 meters long, getting a
manometric height of 46.4 m.
2. Reservoir of Beringel. This reservoir is designed to regularize the pumped flow of the Pumping Station of Álamo, for the
irrigation of blocks located downstream, from the reservoir. Its main features are a volume of 97,000 m3 and NPA at
elevation 213.00.
3. Feeder Pipe of Beringel – Cinco Reis. This conduct is for the transport of gravity matter from the stream flow to the dam
of Cinco Reis. It has about 4060 meters long and DN2000.
4. Dam of Cinco Reis. The dam has the function to regularize the flows needed for the irrigation of the Blocos located
downstream. The maximum captured flow is 10:58 m3 / s. Its main features are a useful volume of about 1.38 hm3,
NPA at elevation 204.00 and NME at elevation 197.50.
pipe diameter: DN 2000 mm a DN 2500 mm - steel reinforced concrete
extension: 5630 m - steel reinforced concrete

5. CONSTRUCTION OF THE IRRIGATION,
DRAINAGE AND ROAD INFRASTRUCTURE
OF THE ALFUNDÃO BLOCK
contracting authority: EDIA, s.a.
location of the works: Alfundão
contract value: 29 217 517,21€
Brief description of the work
1. Pump Station of Alfundão – with 4 equal groups of electric pumps;
2. Reservoir of Alfundão - with a capacity of 16 dam3;
3. Irrigation secondary network of Blocos - Alfundão Alto with 605.70 ha (high pressure) and Baixo Alfundão
with 3407.60 ha (low pressure), both in PEAD pipe. Integrates the irrigation network of the Alfundão pipeline,
with about 4.4 km in steel tubing, taking the water from the Dam of Pisão to the network of Alfundão Baixo
and to supply the reservoir that feeds the network of Alfundão Alto;
4. Road Network of Bloco de Rega - with eight ways to be intervened, with a length of 13.2 km;
5. Drainage network from the irrigation project - including cleaning (19 km) and reshaping of the ditch (1.2 km), totalling 20.2 km;
6. Automation and Remote Management
pipe diameter: DN 110 mm to DN 1600 mm - FFD
DN 2000 mm - STEEL
extension: 48000 ml - PEAD
4450 ml - STEEL

6. SUBSYSTEM OF THE WATER SUPPLY OF S. JORGE.
CROSSING OF RIVER VEZ, RIVER LIMA AND RIVER COURA
contracting authority: Águas do Minho e Lima , s.a.
location of the works: Ponte de Lima
contract value: 7 841 174,04€
Brief description of the work
- Implementation of Peripheral Contentions in Cutter Soil Mixing, Drying Stakes;
- Micro-Stakes, and Berlin Walls;
- Construction of three tunnels: one with a 2.40 m diameter and 220 m length
in the subgrade of the River Lima, with a 1.70 m diameter and 100 ml length,
also in the subgrade of the River Lima and the other with 2,40 m diameter and 75 m
length in the subgrade of River Vez, with tunnelling of closed shield and intermediate stations
- Aerial crossings in river crossings, on piles and stakes made of steel pipe and cast iron;
- Cast Iron Pipe in Vala
- Stainless steel jacketed pipe in crossings under riverbeds (Lima, Coura and Vez)
pipe diameter: DN 700 mm - FFD
DN 200 mm to DN 700mm - STEEL
extension: 912 ml - FFD
1285 ml - STEEL

7. SANITATION OF THE MUNICIPALITY OF BRAGA - SYSTEMS
1 - City, 2 - Adaúfe, 3 - Celeirós, 4 - Palmeira, 5 - Ruães, 6 - Cabreiros, 7 - Tadim,
9 - Esporões, 10 - Sobreposta, 11 - Espinho, 13 - Crespos, 16 - Cunha, 17 - Arentim e 18 Ruílhe
contracting authority: Agere, EM
location of the works: Braga
contract value: 11 601 368,67€
Brief description of the work
Supply and laying of pipe in interceptors, which included gravity collectors and pumping conducts, civil construction of pumping stations
and controls for the manoeuvring and security necessary to operate the systems, supply and assembly of electromechanical equipment,
electrical installations, automation and instrumentation.
pipe diameter: extension:
Gravity Collectors Lifting Conducts Gravity Collectors Lifting Conducts
DN 400 mm to DN 6300 mm - PP DN 250 mm to DN 400 mm - PEAD 5530 ml - PP 3820 ml - PEAD
DN 700 mm - FFD 3260 ml - FFD 1130 ml - FFD

8. LIFTING CONDUCT FROM THE CAPTATION OF AVE
TO THE RESERVOIR OF AZURÉM (PÉGADA)
contracting authority: Vimágua EIM, s.a.
location of the works: Guimarães
contract value: 2 554 170,20€
Brief description of the work
Supply and laying of FFD DN 600 pipe in pumping conducts,
civil construction works, supply and assembly of the controls for
the manoeuvring and security necessary to operate the systems
and supply and assembly of electromechanical equipment.
pipe diameter: DN 600 mm - FFD
extension: 7567 ml - FFD
SEWAGE DRAINAGE OF THE BASIN OF MIRE DE TIBÃES,
PADIM DA GRAÇA, MERELIM AND PANOIAS
contracting authority: Agere, s.a.
location of the works: Braga
contract value: 7 418 047,17€
Brief description of the work
Supply and laying of pipes, civil construction, supply and installation
of electromechanical equipment, electrical installations, automation and instrumentation.
pipe diameter: DN 200 mm to DN 315 mm - PVC
DN 200 mm to DN 600 mm - FFD
extension: 13390 ml - PVC
6907 ml - FFD

9. SANITATION OF THE MUNICIPALITY OF BRAGA - SYSTEMS
1,2 - Amarela/Feital, 7 - Tadim, 10 - Sobreposta, 11 - Espinho, 16 - Cunha, 17 - Arentim e 18 - Ruílhe
contracting authority: Agere, s.a.
location of the works: Braga
contract value: 6 598 973,92€
Brief description of the work
• Earthworks in trenching, supply and installation of piping in collectors, construction of manholes and various construction
works in these Systems Interceptors;
• Execution of civil works (earthworks, concrete structures, hydraulic circuits) and the supply and installation of equipment
(metalworking, electromechanical, electrical, automation and instrumentation), ancillary works, landscaping, testing and commissioning
to operation at the WWTP of the referred Systems with a treatment capacity for a population equivalent of 42,300 inhab.eq.
pipe diameter: DN 200 mm to DN 315 mm - PVC
DN 200 mm to DN 400 mm - FFD
extension: 13086 ml - PVC
1920 ml - FFD
SANITATION SYSTEMS OF THE MUNICIPALITIES OF THE BASIN OF RIVER LIMA
1º group of works, part 1 - interception and lifting systems
contracting authority: Águas do Minho e Lima, s.a.
location of the works: Barrosela, Ponte da Barca, Arcos de Valdevez e Ponte de Lima
contract value: 3 130 039,29€
Brief description of the work
Supply and laying of pipe in gravity collectors and pumping conducts, civil construction of pumping stations and controls for the manoeuvring and
security necessary to operate the systems, supply and assembly of electromechanical equipment, electrical installations, automation and instrumentation.
pipe diameter: extension:
Gravity Collectors Lifting Conducts Gravity Collectors Lifting Conducts
DN 200 mm to DN 350 mm - PP DN 140 mm to DN 250 mm - PEAD 21000 ml 5000 ml

10. CONSTRUCTION OF WATER MAINS SYSTEM OF
MATA DO URSO - southern sector
contracting authority: Águas do Mondego, s.a.
location of the works: Leiria
contract value: 5 536 642,88€
Brief description of the work
Supply and laying of about 12km of pipelines in mains pipes,
construction of two tanks (6000m3 in Gândara; 1000m3 in Barosa)
and two pumping stations (Gândara and Barosa)
pipe diameter: DN 600 mm - FFD
extension: 912 ml
EXECUTION OF THE INTERCEPTOR
OF AVE (DUPLICATION) - FD5
contracting authority: Águas do Noroeste, s.a.
location of the works: Guimarães
contract value: 3 903 743,01€
Brief description of the work
Supply and laying of pipe in interceptors, which included gravitational collectors and pumping conducts,
civil construction of three pumping stations including the supply and installation of electrical,
electromechanical and automation equipment.
extension: 3 601 ml - FFD
7 014 ml - PP

12. DRAINAGE AND TREATMENT OF URBAN AND INDUSTRIAL
WASTWATER OF THE MUNICIPALITY OF BARCELOS -
general interceptor of wastewater - 4th e 5th phase and connection works
contracting authority: Municipality of Barcelos
location of the works: Barcelos
contract value: 2 233 087,24€
Brief description of the work
Supply and installation of piping in collectors, construction of manholes and several civil
construction works in the Interceptors of the referred Systems.
pipe diameter:
PVC and FFD Collectors :
DN 200 mm to DN 500 mm
extension:
16.613 ml
LIGHT RAIL SYSTEM OF THE METROPOLITAN AREA OF OPORTO
assigned services and diversion of infrastructure - water supply, rainwater, paving and wastewater
contracting authority: Transmetro - Construção de Metropolitano ACE
location of the works: Porto
contract value: 2 888 538,21€
Brief description of the work
Pavement lifting and replacing, installation of piping in the Water Distribution Conduct and Rainwater and Wastewater Drainage Collectors.
pipe diameter: extension:
DN 300 mm to DN 600 mm - STEEL 1.273 ml - STEEL
DN 80 mm to DN 600 mm - FFD 2342 ml - FFD
DN 90 mm to DN 630 mm - PVC 5814 ml - PVC
DN 300 mm to DN 1800 mm - Concrete 1.071 ml - Concrete

13. WATER SUPPLY TO THE CENTRE OF THE COUNCIL,
reinforcement ring of seada – rasa 500 mm
contracting authority: Águas de Gaia, EM
location of the works: Vila Nova de Gaia
contract value: 1 122 464,63€
Brief description of the work
Contract for water supply, comprising lifting and replacement of sidewalk pavement and half-penetration, supply and installation
of standard ductile iron pipe (K9) and locked joint (k9) (STANDARD / LV), with a diameter of 500 mm, as well as all accessories in ductile iron
necessary for the operation of the system (discharge valves, suction cups, bends, tees, reduction cones, joints) along the EN 1 between Lugar da Raposa
and the crossing for Junqueira, Rua Rua Gil Vicente and Rua da Rasa up to the football stadium of Vilanovense.
It was installed bypass cameras in Lugar da Seada and Rua da Rasa.
It was made a crossing of AE1 inside the existing gallery in a length of 120 m.
pipe diameter:
DN 500 mm - FFD
extension:
5.400 ml

14. MAINS / WATER PUMPING AND WASTEWATER INTERCEPTOR
adjoining areas of the council
contracting authority: Agere, s.a.
location of the works: Braga
contract value: 3 671 333,77€
Brief description of the work
Pavement lifting and replacement, earthworks, supply and laying of PVC and FFD piping,
construction of manholes and chambers of manoeuvre,
demolition and construction of masonry and concrete walls
pipe diameter: extension:
DN 125 mm to DN 250 mm 11.980 ml - FFD ("locked" joint)
- FFD ("standard" joint) - DN 125 mm to DN 800 mm 7.194 ml - FFD ("locked" joint)
- FFD ("locked" joint) - DN 125 mm to DN315 mm - PVC 23.823 ml - PVC
CIVIL CONSTRUCTION OF WASTEWATER AND
RAINWATER NETWORKS OF AREOSA
contracting authority: Municipality of Viana do Castelo.
location of the works: Areosa - Viana do Castelo
contract value: 2 462 459,00€
Brief description of the work
Piping installation in Rainwater and Wastewater Drainage Collectors.
pipe diameter: extension:
DN 300 mm to DN 1000 mm - Concrete 9.519 ml - Concrete
DN 200 mm to DN 400 mm - PVC 18.905 ml - PVC

16. WWTP OF SOUSA
contracting authority: Águas do Noroeste, s.a.
location of the works: Penafiel
contract value: 10 979 447,60€
Caracteristics of “Installation”
WWTP with treatment capacity for 89,913 inhabitants/equivalent, a flow of 13,855 m3 / d and a peak flow of 274 m3 / h (Year 0) and 1027 m3 / h (Year HP).
The treatment basic solution to the liquid phase consists of initial lift by Archimedes screws, pre-treatment with harrowing / sieving, desanding and degreasing,
followed by primary decanting, contact tanks, biological treatment in reactors with the configuration of oxidation ditch with removal of carbonaceous organic
matter and nitrogen using pre-denitrification and simultaneous denitrification, secondary decanting and finishing with the effluent treatment for use in the
WWTP (pumping, filtration and disinfection in line). The solid phase consists of the primary sludge gravity thickening and mechanical thickening of biological
sludge in excess, followed by anaerobic digestion of mixed sludge with anaerobic digester operated at high load, in mesophyll regime and with mechanical
agitation, storage of digested sludge, mechanical dehydration with eventual hygienization and the addition of lime at a sludge storage silo. System of biogas
recovery for energy production through a cogeneration group. Deodorizing system.
WWTP OF CÁVADO-HOMEM
contracting authority: Águas do Noroeste, s.a.
location of the works: Vila Verde
contract value: 8 917 649,55€
Caracteristics of “Installation”
WWTP with treatment capacity for 49,891 inhabitants/equivalent, a flow of 7,617 m3 / d and a peak flow of 111 m3 / h (Year 0) and 545 m3 / h (Year HP). The
treatment basic solution to the liquid phase consists of initial lift by Archimedes screws, pre-treatment with harrowing / sieving, desanding and degreasing,
followed by primary decanting, contact tanks, biological treatment in reactors with the configuration of oxidation ditch with removal of carbonaceous organic
matter and nitrogen using pre-denitrification and simultaneous denitrification, secondary decanting and finishing with the effluent treatment for use in the
WWTP (pumping, filtration and disinfection in line). The solid phase consists of the primary sludge gravity thickening and mechanical thickening of biological
sludge in excess, followed by anaerobic digestion of mixed sludge with anaerobic digester operated at high load, in mesophyll regime and with mechanical
agitation, storage of digested sludge, mechanical dehydration with eventual hygienization and the addition of lime at a sludge storage silo. System of biogas
recovery for energy production through a cogeneration group. Deodorizing system.

18. SANITATION OF THE MUNICIPALITY OF BRAGA:
renovation of the wwtp of system 4 - palmeira
contracting authority: Agere, s.a.
location of the works: Palmeira - Braga
contract value: 3 842 124,27€
Caracteristics of “Installation”
WWTP with treatment capacity for 32,000 inhabitants/equivalent, a nominal flow of 6560 m3 / d and a peak flow of 180 l/ s. The treatment basic solution to the
liquid phase consists of pre-treatment with harrowing / sieving, desanding and degreasing, followed by intermediary lift for the biological treatment by sludge
activated at low load with the removal of nutrients, biological removal of nitrogen (anoxic zone followed by aerobic zone) and chemical removal of phosphorus,
and finish with microsieving. The solid phase consists of mechanical sludge thickening purged from the liquid phase, followed by mechanical dewatering,
chemical conditioning with lime powder and storage in a sludge silo. For the reuse of treated effluent, it was installed an ultraviolet radiation disinfection.
SANITATION OF THE MUNICIPALITY OFBRAGA:
renovation of the wwto of system 1 - city
contracting authority: Agere, s.a.
location of the works: Frossos - Braga
contract value: 7 941 984,68€
Caracteristics of “Installation”
• Minimum capacity of treatment: 230,000 inhabitants/equivalent;
• Pumping Station for a nominal flow rate of 750 l / s consisting of three screws;
• Treatment Plan: Net Line: 1 - Treatment of thick matter with grids; 2 - Treatment of degreasing and desanding; 3-Primary Decanting - 290 m2 x 4 UN 4 -
Aeration with diffusers -3200m2 x 1 UN; 5 - Anoxic treatment and diphosphate - 1500 m2 x 1 UN, 6 - Secondary decanting - 450 m2 4 x UN; Solid Line: 1 -
Mechanical thickening 2 - Primary digesters 3 - Secondary Digester; 4-Dehydration; 5 - Gas Treatment and Cogeneration;
• Maing tubing and fittings: stainless steel tubing (120 ml of 2000 pipe, 20 ml of 1500 pipe, 70 ml of 1300 pipe, 150 ml of 700 pipe);
SANITATION OF THE MUNICIPALITY OF BRAGA:
systems 1,2 Amarela/Feital, 7 Tadim, 10 Sobreposta, 11 Espinho, 16 Cunha, 17 Arentim e 18 Ruílhe
contracting authority: Agere, s.a.
location of the works: Braga
contract value: 6 598 973,92€
Caracteristics of “Installation”
WWTP with treatment capacity for 42,300 inhabitants/equivalent. The treatment basic solution to the liquid phase consists of pre-treatment with harrowing /
sieving, desanding and degreasing, followed by intermediary lift for the biological treatment by sludge activated at low load with the removal of nutrients,
biological removal of nitrogen (anoxic zone followed by aerobic zone) and chemical removal of phosphorus, and finish with microsieving. The solid phase
consists of mechanical sludge thickening purged from the liquid phase, followed by mechanical dewatering, chemical conditioning with lime powder and
storage in a sludge silo.

20. group