WE MAKE YOUR IDEAS A REALITY

WE MAKE YOUR IDEAS A REALITY

Flue Gas Desulphurisation and denitrification in České Budějovice Heat and Power Plant Biomass boiler plant in Vlašim Renovation of the District Heating System in K and K Boiler Plant, Uherský Brod Complete Renovation of the Prunéřov II Power Plant WE MAKE YOUR IDEAS A REALITY COMPANY PROFILE TENZA, a.s. is a leading Czech company which has grown to become a preferred supplier of industrial facilities primarily in power engineering since its foundation in 99. The company s production capabilities focus on construction and renovation projects in the area of heat, power engineering and heat distribution system. The company can offer extensive expertise gained in construction and renovation of power plants, combined heat and power plants, heating plants, refuse incinerating plants and biogas plants. TENZA, a.s. has laid hundreds of kilometres of hot water pipelines and steam piping within renovation and upgrading projects of district heating systems. Public facilities, industrial buildings and water engineering are another core business of the company. When carrying out its projects, the company lays great emphasis on environmentally friendly technologies. TENZA, a.s. offers its customers comprehensive solutions from studies and concepts, through design documentation and engineering, to implementation and putting into operation. TENZA, a.s. is a distributor of pre-insulated piping systems and valves made by leading foreign manufacturers intended for reliable and efficient district heating systems. In-house made and developed heat exchanger stations are designed for delivering heat and domestic hot water to buildings and are an appropriate addition to the heating equipment offered. ACTIVITIES Heat and Power Engineering (Power Plants, Combines Heat and Power Plants, Heating Plants, Refuse Incinerating Plants, Biogas Plants) Distribution Systems (Heat Distribution, Heat Exchanger Stations) Technology and Equipment (Boilers, Flue Gas Cleaning Technology, Low-emission Coal Burners) Construction Industrial Buildings and Water Engineering (Water Piping and Sewerage Networks, Wastewater Treatment Plants) Sales Activities (Pre-insulated Piping, Valves) Services (District Heating Systems Operation, Financing) QUALITY MANAGEMENT, ENVIRONMENTAL MANAGEMENT AND OCCUPATIONAL HEALTH AND SAFETY MANAGEMENT SYSTEMS TENZA, a.s. has successfully implemented the management systems according to the requirements of standards for Quality Management System (ČSN EN ISO 900:009), Environmental Management System (ČSN EN ISO 00:005) and Occupational Health and Safety Management System (ČSN OHSAS 800:008).

PLANTS UTILIZING RENEWABLE ENERGY SOURCES Mydlovary Heating Plant Biomass Power Unit A Combined Heat and Power Plant Burning Biomass in Žatec Chocnějovice Biogas Plant Renovation of the K and K Boilers Employing Fluidized Bed Technology in Strakonice MYDLOVARY HEATING PLANT BIOMASS POWER UNIT A construction project of a new biomass power unit with an output of.7 tonnes of steam per hour and parameters of. Mpa, 00 C and maximum output on the generator connectors of.66 MW. A condensing turbine with a regulated extraction maximum of 8.8 tonnes of steam per hour and parameters of 0.0 MPa, 05 C has been installed. Steam is transferred to the steam/water exchanger with an output of 5. MW; the fuel used is wood chips. RENOVATION OF THE K AND K BOILERS EMPLOYING FLUIDIZED BED TECHNOLOGY The conversion of two coal grate boilers K and K (with the nominal output 6 tonnes of steam per hour each) into fluidized bed boilers enables the plant operator to burn lignite and biomass in the proportion 60:0 of the thermal output. The leading-edge fluidized bed technology combines the advantages of the stationary (bubbling) fluidized bed and circulating fluidized bed while meeting the required output and emission parameters. A COMBINED HEAT AND POWER PLANT BURNING BIOMASS IN ŽATEC AHNÍKOV BIOGAS PLANT The construction of a new combined heat and power unit burning wood biomass with an output of 0 MWt (.8 MWe) employing the ORC technology, including a new hot-water distribution network and necessary technical base. A municipal biogas plant employing an anaerobic technology is designed to process,00 tonnes of input material out of which waste can amount to 8,500 tonnes. The installed electric power is 600 kwe and heat output,00 kwt. Construction of a biogas plant in Chocnějovice / Radvaň biomass boiler plant in Banská Bystrica / Installation of a biomass burning boiler in Jihlava / Biomass boiler plant in Vlašim / Biomass boiler plant in Horní Planá

DISTRICT HEATING SYSTEM CONSTRUCTION AND RENOVATION PRAHA LIBEŇ HOLEŠOVICE HEAT SUPPLY MAIN The main has connected Holešovice Heating Plant and subsequently the Dolní Holešovice district heating system to the Prague Heat and Power Supply System that is interconnected with Mělník Power Plant. The project included the construction of a tunnel in the length of 80 m driven below the Vltava river bottom. Mining technology was applied to drill the tunnel. The hot water distribution system with the dimensions twice DN 500 and temperatures 0 C /70 C in winter, 80 C / 50 C in summer in pre-insulated piping was divided into four partial sections,656 m long. CONVERSION OF STEAM TO HOT WATER IN RUŽOMBEROK The conversion of the aboveground distribution network of the district heating system to a new pre-insulated pipeline 5 km long, installation of 70 new heat exchanger stations in buildings and construction of a new central heat exchanger station. CONNECTION OF THE SOUTH AND CENTRE OF BRNO TO A CENTRAL HEAT EXCHANGER STATION HEAT DELIVERY FROM DĚTMAROVICE POWER PLANT TO BOHUMÍN The construction of a hot water pipeline from Dětmarovice to the town of Bohumín, construction of the main heating network in the centre of Bohumín and renovation of municipal residential boiler units. Within the project km of heat distribution networks made of pre-insulated pipes were laid having the dimensions DN to DN 50 and 7 heat exchanger stations in buildings were installed. The construction of a new exchanger station with an output of 65.8 MW that preferentially uses steam generated by a TG0 turbine, which increases the efficiency of its operation. It consists of two basic heaters (twice 8. MW), two existing peak demand heaters (twice 0.9 MW) and one new peak demand heater having an output of 5.5 MW. When the new exchanger station is in operation, the temperature of return water is maintained at 60 C, the exit temperature is regulated to vary between 70 0 C in accordance with the climatic conditions. Conversion of Steam to Hot Water Distribution System in Trutnov / Reduction of Emissions in Ostrov Heat Distribution / Connection of Lázně and Prosetice to the Teplice District Heating System / Bílina Ledvice District Heating System Grant Scheme / Connection of PP, PP to the District Heating System in Bílina / Conversion of the Heat Conveying Medium for the Nad jazerom Housing Estate in Košice Praha Libeň Holešovice Heat Supply Main Connection of Lázně and Prosetice to the Teplice District Heating System Heat Delivery from Dětmarovice Power Plant to Bohumín Connection of the South and Centre of Brno to a Central Heat Exchanger Station

ENVIRONMENTAL TECHNOLOGIES Complete Renovation of the Prunéřov II Power Plant Flue Gas Desulphurisation and denitrification in České Budějovice Heat and Power Plant De-dusting of a Coal Unloading Pit in Třinecké železárny Desulphurisation of the K K Boilers in Karviná Heat and Power Plant FLUE GAS DESULPHURISATION AND DENITRIFICATION IN ČESKÉ BUDĚJOVICE HEAT AND POWER PLANT The flue gas desulphurisation equipment for the K and K boilers utilizes wet limestone scrubbing technology and the equipment reducing nitrogen emissions for the K boiler consists of primary and secondary adaptations to the boiler (non-catalytic denitrification SNCR). The subject-matter of the contract included related buildings and equipment. The desulphurisation capacity is designed for processing of 0,550 Nm /hr of raw gases with the output concentration of SO under 00 mg/nm. The volume of denitrified flue gases of the K boiler reaches up to,000 Nm /hr and NO x concentrations in flue gases on the outlet are below 00 mg/nm. COMPLETE RENOVATION OF THE PRUNÉŘOV II POWER PLANT The delivery and installation of piping for the,, 5 units (three times TG 50 MW) with the capacity of approx. 50 tons. The project included the delivery, installation and surface treatment of piping with dimensions of DN 5 DN 00 including critical piping made of the P9 material piping for oil, steam, cooling water, feedwater, demi-water, and air. DESULPHURISATION OF THE K K BOILERS IN KARVINÁ HEAT AND POWER PLANT The construction of a joint desulphurisation unit in Karviná Heat and Power Plant for the K, K and K boilers with the total heat output of 88 MW intended to reduce the content of acid elements (primarily SO ) and solid pollutants in flue gases. The desulphurisation technology applied is CFB FGD (Circulating Fluidised Bed Flue Gas Desulphurisation) based on an expanded circulating fluidized bed (CFB). DE-DUSTING OF A COAL UNLOADING PIT IN TŘINECKÉ ŽELEZÁRNY The project was aimed at installing de-dusting equipment in the unloading area above the grate and under the ceiling of the unloading pit, constructing dust extraction of the filling funnel of six roll feeders of hoppers to collecting conveyors and dust extraction of hoppers of the collecting conveyor. Thanks to this project the emission limit on solid pollutants on the outlet downstream the filter was reduced to maximum 0 mg/m with the air mass suctioned of minimum. m ef /s (80,000 m ef /hour). Retrofit of the Existing Desulphurisation Equipment in Opatovice Power Plant / Desulphurisation in Plzeňská energetika / Complete Renovation Tušimice Power Plant II, Phase / De-dusting of Coal Trippers and for Třinecké železárny / De-dusting of the Steelworks in VÍTKOVICE HEAVY MACHINERY a.s.

INSTALLATION OF COMBINED HEAT AND POWER UNITS INSTALLATION OF COMBINED HEAT AND POWER UNITS IN VRCHLABÍ Within the renovation project of the district heating source two new hot water gas boilers were installed with outputs.5 MW and.8 MW and two combined heat and power (hereinafter CHP ) units with nominal electric power of,600 kw in acoustic booths and two accumulation tanks with the capacity 50 m each. COMBINED CONTAINER HEAT AND POWER UNIT IN OSLAVANY The construction of a new combined heat and power unit in the immediate vicinity of the Primary School, equipped with a Genset gas combined unit with an output of 600 kw. It is situated in a thick-walled concrete container with a soundproof ceiling and special soundproof door. The project included the installation of an accumulation tank with a capacity of 70 m, a stack, gas connection, a kiosk-type transformer station 0./ kv, a kiosk-type high-voltage and low-voltage distributing centre, demolition of old school storage rooms and construction of new ones, and relocation of networks. RENOVATION OF A PART OF THE DISTRICT HEATING SYSTEM IN LIBEREC, FRANTIŠKOV, PHASE The project of upgrading heat delivery systems in Liberec consisted in installing two hot water gas boilers with a total output of 6 MW and a combined heat and power unit TEDOM Quanto 600 with a heat output of,750 kw and electric power,560 kw. The project also included lying of more than.5 km of the heat distribution network which is newly in the pre-insulated form, renovation of three central exchanger stations with a nominal output of. MW and installation of three domestic exchanger stations with an installed output of 0.5 MW. INSTALLATION OF A CHP UNIT IN MEZIBOŘÍ The construction of a new production plant on stilts and installation of two Quanto D600 units with the total output of,0 kwe and,58 kwt, separating exchangers 5 MW and addition of two accumulation tanks with the total capacity of 70 m, construction of a stack (50 m) and a new transformer station with transformers twice,000 kva. Installation of Combined Heat and Power Units in Vrchlabí Installation of a CHP Unit in Brtnice Installation of a CHP Unit within the District Heating System of Kladruby Rehabilitation Centre / Installation of Two CHP Units in Soběslav / Installation of a CHP Unit in Bertiny Lázně Třeboň / Installation of a CHP Unit in the Zahradní Boiler Plant in Lipník nad Bečvou / Installation of a CHP Unit in Brtnice Combined Container Heat and Power Unit in Oslavany Installation of a CHP Unit in Uherský Brod

WATER ENGINEERING Sewage and Wastewater Treatment Plant in Pňovice Sewage in Hubová, Ľubochňa, Švošov Wastewater Treatment Plant in Bílá Lhota Wastewater Treatment Plant in Výčapy SEWAGE AND WASTEWATER TREATMENT PLANT IN BÍLÁ LHOTA The sewer system 7 km long takes wastewater to a new mechanical/biological wastewater treatment plant with aerobic stabilisation of sludge and tertiary stage of wastewater treatment process with a capacity of,80 PE. Plastic sewage piping with the dimensions from DN 00 to DN 00 was used for the construction project. HUBOVÁ, ĽUBOCHŇA, ŠVOŠOV: SEWAGE AND WASTEWATER TREATMENT PLANT 0. km of sewage network with a diameter of 00 mm, pumping stations and 8 house sewers 5.9 km in length were built within the project. A new mechanical/biological two-lane wastewater treatment plant with a capacity of,0 PE has been designed comprising biological removal of carbon and nitrogen pollution, complete sludge stabilisation in a sediment trap and its mechanical dewatering in a belt press. SEWAGE AND WASTEWATER TREATMENT PLANT IN VÝČAPY The subject-matter of the contract was the construction of a new biological wastewater treatment plant with a capacity of 755 PE including technical equipment and 5,67 m long sewers including 8 house sewers. MORAVIČANY, DOUBRAVICE, MITROVICE PRESSURE SEWER SYSTEM AND WASTEWATER TREATMENT PLANT The construction of a new pressure sewer system consisting of polyethylene pipes with dimensions DN 50 to DN 60 mm and 8.9 km in length and a new municipal wastewater treatment plant with a capacity of,558 PE. Sewage and Wastewater Treatment Plant in Pňovice / Wastewater Treatment in Radslavice / Water Main Olšovec / Sewerage System in Náměšť na Hané

EQUIPMENT UTILIZING AND PROCESSING WASTE UTILIZATION OF WASTE HEAT FROM A CHP UNIT FOR DRYING SLUDGE PRODUCED IN A WASTEWATER TREATMENT PLANT The installation of two fluidized bed dryers with total drying capacity 6,000 t/year of wet centrifuge processed sludge with initial moisture content of 65% of sludge weight and final moisture content of 0% of sludge weight. It was required that the input heat should be reused for drying. The heat returns to the heating system of the client (70/90 C) with efficiency of 85 90 %. The project included the delivery of a steam boiler utilizing waste heat with the output of 550 kw and saturated steam parameters 6 bar, 0 C. This steam is used as a heat conveying medium for fluidized bed dryers. The dryers and the boiler were designed and build by the Research and Development Department of TENZA, a.s. CONSTRUCTION SUPERVISION (ENGINEERING) OF THE RENOVATION OF THE BRNO REFUSE INCINERATING PLANT TENZA, a.s. supervised the implementation of the Brno Waste Management Project. The aim of this project was to build a combined heat and power unit combusting municipal waste while effectively utilizing the existing buildings and equipment of the refuse incinerating plant including the transport (receipt) capacities. The site supervisor was reponsible for ensuring everyday site supervision and coordination of the contract, checking the compliance of the work specified by the contract with applicable legislation and producing expert reports and marketing promotion of the project. The project fully complies with current requirements of European legislation on modern waste-to-energy plants. Brno Refuse Incinerating Plant Utilization of Waste Heat from a CHP Unit for Drying Sludge Produced in a Wastewater Treatment Plant

TENZA, a.s. Svatopetrská 5/7, 67 00 Brno, Czech Republic Phone: +0 55 59 9, Fax: +0 55 6, tenza@tenza.cz www.tenza.cz