Corporate Presentation

Engineering Solutions

Executive Summary

Sisint is an engineering company that supplies design, installation and consultancy services to the transport, energy and building industries. The company is staffed with a team of highly experienced engineers, fitted with specialized test and software tools, that enable us to perform design, installation and commissioning services worldwide. Based in Portugal, Sisint has an worldwide operation, namely in Europe, the Far East, Africa and South America

Sisint ´s Quality, Safety and Environment Management System is certified according with ISO 9001/14001 e OHSAS 18001.

Organization

Main Business Areas

Substation Design

Automation &

Commissioning

Substation Construction

&

Maintenance

Infrastructure Systems

Integration

Transport

Systems

Engineering Solutions

Primary Design

Single line diagram (SLD)

Detailed Specifications of the HV & MV equipments

Primary layouts

Earthing layouts and calculation

Bus bar calculation, steel structures design and connectors schedules

Cable schedules and equipment lists

Block cabling diagrams

Cable throwing drawings

Secondary Design

Single line diagram (protections and metering)

DCS architecture

Trip matrix & I/O

Logical schematics

Functional drawings

Cabinet layout;

Auxiliary power circuitry design;

Internal wiring diagrams

Selectivity and coordination protection study

Portugal / Siemens / REN Over 90 Substations ranging from 60 to 400kV Mozambique / Cimpor Dondo 110/22/6kV SS Algeria / Siemens Mobile 220/60/30kV SS Brazil / Efacec Brazil Metro de São Paulo UK / Alstom Grid Ealing 275kV SS UK / Siemens West Melton 132/66kV SS Saudi Arabia / Siemens DAP — NPK Plant

References

Macau / CEM Macau North 110/66/11kV SS Lotus 220/110kV SS Macau LRT 110/22/11kV PSS 3 & 4 Ilha Verde 66/11kV SS

Macau / Galaxy Galaxy 110/11kV SS

Consultancy Services

Preliminary/Primary studies and Feasibility Reports

Technical Specification and Technical evaluation of tenders

Assistance during the design stage of the Costumer´s project

References

Substation Design, Automation & Commissioning

Substation Automation

Protection relays configuration and parameterization - multifunction protection

relays, distance protection relays , line differential protection relays, transformer

differential protection relays, generator and motor protection relays.

Bay control unit configuration (measures, I/O, L/R authority, interlocking, display, LEDs, Event

and alarm logging, signals for system, time sync, etc)

PLC Configuration

Automatic voltage regulator configuration (REG-Dx, TAPCOM 2x0)

Digital fault and power quality recorder configuration (SIMEAS-R, Reason RPV-311)

Local HMI and SCADA systems Configuration

Communication network (IEC 61850, DNP 3.0, Profibus, Modbus and IEC 60870-5-104 protocol)

Communication equipments configuration (Ruggedcom)

Time synchronization configuration (HOPF, LTS)

Portugal / ENEOP Over 60 Wind Farms UK / Siemens Blyth SS Brazil / Siemens PAL 12 SS Brazil / ABB Cerro Chato 230/34,5/13,8kV SS Mozambique / Cimpor Dondo Cement Plant 22 kV Panels Venuzuela/ Siemens Tocoma 400 kV SS Guatemala / Siemens San Antonio SS Portugal / Jayme da Costa /Solar Farm Malhada Velha SF Plant (9MW) Evosol 1 e 2 SF Plant (5,8 MW + 5,8MW) France/ Jayme da Costa /Solar & Wind Farm Gennetines SF Plant – 12 MW Diou – Dompierre SF Plant – 12 MW Marmanhac SF Plant – 12 MW Sarrazac SF Plant – 12 MW Ille Sur Têt SF Plant (11,1 MW) Guigne-Haly SF Plant (8,3 MW) La Guenelle WF (22 MW) La Voie Romaine WF (22 MW) Montbray WF (20 MW) Margueray WF (20 MW) Uruguay/ Jayme da Costa Minas WF – 41 MW Florida WF – 48 MW

References

Substation Design, Automation & Commissioning

Macau / CEM / Galaxy Over 200 220/110/66/22/11 kV Panels Tested Portugal / REN / EDP Over 400 400/220/150/60/30/15 kV Panels Tested Uruguay / Jayme da Costa Over 20 150/38 kV Panels Tested

Primary tests

Insulation tests

CT & VT ratio

CT and VT Polarity Check

CT & VT Magnetization Curve (Knee point) by standard IEC 60044-1

CT & VT Load measuring

Functional tests (CB, Disconnectores, earth switchs, Power transformer)

References

Protection & Control Tests – SAT

Prepare Site Acceptances tests (SAT) & OCC files

Inspection of cabinets (layout, tagging, earth links, etc)

Wiring Check (Cabinets, control box, LCC, etc) & Cable check

Control of auxiliary power availability and status of batteries

Parameterize settings of protection relays

Secondary injection on CT and VT circuits

Command, signalling and interlocking of HV equipments (CB, Disconnectors, earth switchs, GIS, etc) - local, BCU, HMI and

dispatch

Synchrocheck function test (25)

Check of transformer internal protections functionality

Automatic voltage regulator tests

Protection function tests (21, 27, 47, 49, 50/51, 50N/51N, 50BF, 59, 67/67N, 68/68N, 87, etc)

Portugal / Siemens / EDP Over 50 SS (MV and HV) + 450 RTU’s Angola / ABB / ENE Viana and Camama SS 220/60kV Quileva SS 11/150 kV Macau / CEM Lotus SS 220/110kV Galaxy SS 110/66/11kV Mozambique / CIMPOR Matola Cement Plant SS 60/6 kV Dondo Cement Plant 22 kV Panels Brazil / Efacec BR / Metro São Paolo Metro SS Hong Kong / Siemens / CEM Lotus SS 220/60kV UK / Siemens / National Grid Blyth SS

References

Substation Design, Automation & Commissioning

Construction Under & Above Ground Earthing Works Installation of HV & MV Equipments (CB, Disconnectors, Capacitor banks, auxiliary & neutral transformer, switchgear etc), Busbars & Steel Structures Installation & Wiring Connection P&C, Metering Systems, AC/DC Cabinets & Marshalling Boxes Optical Fibre, LV & MV Cables Laying, Connection & Wiring Cables Troughing Works Disconnector Equipment Tuning / Fitting

Wind Turbine MV Joint Execution, Substation & P&C Building Erection & Fitting MV Cells Solar photovoltaic (PV) modules installation Management & Supervision Works

Consultancy Services Site management (project schedule, team coordination, site organization) Supervise the electro-mechanical works and commissioning works Assists and participates in the main safety meetings

References Construction Portugal / EDP Over 1000 RTU’s all over the country Revamping of Alto São João SS P&C Revamping of Custóias SS P&C Revamping of Fânzeres SS P&C Revamping of Armação de Pêra SS Portugal / REN Global Revamping of Sines SS Global Revamping of Vermoim SS Global Revamping of Pedralva SS Load Shedding System Installation References Consultancy Services Portugal / REN- GIS 220kV Ermesinde SS Portugal / EDA- Thermoelectric Plant in Flores island (Azores) Portugal / EDA- Switching Station in Flores island (Azores)

References

Substation Construction & Maintenance

LV and MV installation works

- Transformer stations and Engine Generator installation

- Electrical panels wiring installation

- Demotic system integration and installation (based in KNX protocol)

- Fire, Intrusion, Gas and CO detection installation

- Access Control and CCTV systems installation

- ITED System, Public Address and Broadcast installation

- HVAC system project and installation

Portugal Club House – Portimão Health Club – Benfica Pedroso Stadium IdealTowef Occident Tower – Colombo shopping Campo Pequeno building, nº81 Guimarães Shopping Portugália Restaurants C.U.F. Hospital Freamunde School Vale do Lobo Vilas Shopping Vivaci Caldas Portucel Freamunde & Paços Ferreira Schools CS and Nau Hotels (Several)

Engineering Services -

Renewable Energy

- Under & above ground Earthing systems

Installation & Wiring Connection P&C, Metering Systems, AC/DC Cabinets & Marshalling Boxes

- Optical Fibre, LV & MV Cables Laying, Connection & Wiring

- Wind Turbine MV Joint Execution, Substation & P&C Control House, Construction & Fitting MV Cells

- Solar photovoltaic (PV) modules installation

- Management & Supervision Works

References Renewable Energy Construction Portugal / Jayme da Costa / ENEOP Over 15 Wind Farms including Falperra, Passa Frio, Cerro do Gato, Pedras Lavradas II, etc.) Portugal / Jayme da Costa PV plant of Ferreira do Alentejo - 9MW Chile / CJR Wind / ENEL Tal Tal Wind Farm Portugal / EDP Production/ Efacec Ermida Dam Plant Salomonde Dam Plant

References

References

Substation Construction & Maintenance

Maintenance

- Routine visual inspection of equipment & environments (technical report execution )

- Identification, location and diagnosis of equipment faults (Audit executions)

Maintenance works on HV and MV equipments we execute:

- Contact resistance measurements

insulators cleaning

- Equipment inspection and lubrication

- Verify equipment settings such as alarm , temperature

- Verification of the tightness of mechanical connections

- Verify that insulating oil level is correct (and taking samples for analysis)

- Inspect operating mechanism and/or hydraulic or pneumatic system and test for SF6 gas-insulated leaks

- Verify correct operation of alarms and pressure-limit switches

- Perform insulation tests

- Disconnector equipment tuning / fitting

- Disconnectores motor current measurements

Equipment include Power Transformers, CT’s & VT’s,

Disconnectors, Circuit Breakers,etc…

Portugal REN – Valdigem SS REN - Frades SS REN - Riba d’Ave SS REN - Macedo de Cavaleiro SS REN - Oleiros SS REN - Armamar SS REN - Vila Pouca de Aguiar SS REN - Pocinho SS REN - Alto do Lindoso SS REN - Pedralva SS REN - Lagoaça SS REN - Vila Fria SS Maia National Steel Company - 150 kV SS (HV equipments) OM Pharma - electrical infrastructure Cabrela Solar Farm – Energy quality audit of 2 MW Solar Farm FC Porto – electrical infrastructure of sport complexe JPAB - electrical infrastructure) Centrocar - electrical infrastructure

References

Substation Construction & Maintenance

Infrastructures Systems Integration

Building Management Systems

Project Design, support and budgeting

Integration with other systems

Provision of equipment;

Monitoring the site works and coordination of all specialties to support

to the installer;

Preparation of SCADA for supervising and monitoring the Technical

Management system ;

Parameterization and commissioning and after sales service

• Carlton Lusíadas Hospital (Lisbon)

• Ideal Tower (Coimbra)

• Soerad Hospital (Torres Vedras)

• CS Vintage Hotel (Lisbon)

• Sheraton Hotel (Lisbon) - 5*

• Music Mercado do Bom Sucesso Hotel (4*)

• Adicais Tower A e B (EDP Headquarters in Porto)

• Data Center Building Support of Portugal Telecom (Covilhã)

• Santíssima Trindade Church in Fatima Sanctuary

• F. C. Porto – Dragão Stadium Lightning

Sound distribution systems

Project (acoustic analyses and elctroacoustic)

Provision of equipment;

Emergency evacuation system integration “Public Address” , (EN 54)

Integration of systems for ambient sound;

Integration of vídeo systems and communication;

Parameterization and commissioning and after sales service

• Carlton Lusíadas Hospital (Lisbon)

• Santo Espírito Hospital (Azores)

• Paediatric Hospital (Coimbra)

• Vinehotel Hotel (Funchal ) – 5*

• Royal Óbidos SPA & Golf Hotel (5*)

• Yeatman Hotel (Vila nova de Gaia ) - 5*

• Hotel Management School (Porto)

• Santíssima Trindade Church in Fatima Sanctuary

• F. C. Porto – Dragão Stadium

• Terminal Cruises (Leixões)

• Dolce Vita Shopping (Coimbra)

References

References

Corporate TV Systems / IPTV

Project Design, support and budgeting

ITV/corporate TV Integration systems to broadcasting contents,

“Kiosks “ information implementation de.

Provision of infrastructures communication equipment and

“playlists’’ broadcasting

Parameterization and commissioning and after sales service

• Fatima Sanctuary - AV System development and communications network

• Porto Underground (Tube) – Monitors to MTV (Metro TV)

• STCP Headquarters (Porto)

• Dolce Vita Braga Shopping

• Quinta da Lixa Hotel (5*)

• Bolsa do Pescado (Hotel 4*) in Porto

Maintenance Services

Exhaustive tests of installed equipments,

Cleaning and conservation of Rack Cabinet

Fan circuits cleaning;

System Memory Reset,

Stress loading tests ;

Firmware Update e Software's Upgrade

System performance monitoring;

Cable connection verify;

LV protection tests

Commissioning, inspection and measuring tests

• VillaBatalha Hotel KNX Maintenance (Batalha) – 4*

• Rivoli Theatre KNX Maintenance (Porto)

• Airport Tram Station and University tram Station IPTV system maintenance (Porto)

• IKEA Sound maintenance (Matosinhos)

• F. C. Porto – Dragão Stadium Sound maintenance

• Ferrara Plaza Shopping Sound and KNX maintenance

• Espírito Santo Hospital Sound maintenance (Terceira Island - Azores)

References

References

Infrastructures Systems Integration

Transport Systems

Design, supply and Commissioning

of:

Power distribuition networks

Automation and supervision systems (SCADA);

Infotainment (corporate TV and Passenger Information);

Portugal/ Refer

• Beira Baixa Line technical infrastructures SCADA

• Algarve Line technical infrastructures SCADA

• Minho Line technical infrastructures SCADA

Portugal/ Metro do Porto

• Operation Support Systems

References

Operation Support Systems Maintenance:

SCADA;

UPS;

Passenger Information;

CCTV.

References

Major costumers by business area Substation Design

&

Automation

• ABBTM (Portugal and Spain)

• AlstomTM (Portugal and UK)

• CEMTM (Macau)

• EDPTM

• EfacecTM (Portugal and Brazil)

• RENTM

• SiemensTM (Portugal, Spain, UK and Hong Kong)

• Jayme da CostaTM (Portugal, France e Uruguay)

• ElecnorTM (Angola)

• MarpeTM (Mozambique and Portugal)

• Morrison Utility Services™ (UK)

Substation

Construction & Maintenance

• EDPTM

• RENTM

• SiemensTM (Portugal)

• Eurico FerreiraTM (Portugal)

• CJR WindTM (Portugal and Chile)

• Jayme da CostaTM (Portugal, France an Uruguay)

• ThalesTM (Portugal),

• EfacecTM (Portugal)

Infrastructures Systems Integration

• Santuário de Fátima

• Pinto & Cruz

• Clear

• FC Porto

• Amorim

• Sotécnica

• João Jacinto Tome

• Dalkia – Gaspar Correia

• Isolux Corsán

• Mota Engil

• Irmãos Pinto da Costa (IPC)

• Iberinstal

Transport

Systems

• Metro do Porto • REFER • Thales

Where We are

Brazil

Mozambique

Portugal

Macau

Contacts •Rua de Murraceses, 550

4416-901 Grijó , Vila Nova de Gaia, Portugal Tel. +351 227 418 810 Fax. +351 227 418 819 e-mail: sisint@sisint..pt

Sisint - Headquarter

•Rua Miguel Ângelo Lupi, 32 2470 – 178 Porto Salvo - Oeiras Telef: +351 214 239 690 Fax: + 351 214 239 699

Sisint – Southern

Branch

•Avenida da Praia Grande, 759 - 5º Andar, Macau

Sisint Far East

•Alameda dos Indígenas, nº 66, CEP: 04059-060 Planalto Paulista, São Paulo – SP; Telef: (+55 11) 3814.8988 / 5594.3832

Sisint Brazil

•Rua José Sidumo, 234 – Bairro Polana Cimento – Maputo

Sisint Mozambique