DANECO Presentation pag. 4The Groups activitiesRegistration Albo Gestori AmbientaliSOA certificatesQuality certificates

REFERENCES

Sanitary LandfillsSantArcangelo Trimonte pag. 8Pianopoli pag. 12Chivasso pag. 14Mariano Comense pag. 18Ghemme pag. 20Trivignano Udinese pag. 22Carbonia pag. 24Albonese pag. 28Iglesias pag. 30Valfenera pag. 32Cavenago dAdda pag. 33Vizzolo Predabissi pag. 33Viterbo pag. 34Pescantina pag. 36

Mechanical-Biological Treatment plantsGiovinazzo pag. 40Andria pag. 44Salerno pag. 48Cagliari pag. 52Sulmona pag. 60Lamezia Terme pag. 64Bassano del Grappa pag. 68San Giorgio di Nogaro pag. 72Udine pag. 74Isola dElba pag. 76Milano pag. 78Molfetta pag. 80Ceresara pag. 80Pieve di Coriano pag. 81Wai-Pu-Hsiang pag. 82Nantucket pag. 82Mora pag. 82Tolmezzo pag. 83Vasto pag. 83Lignano Sabbiadoro pag. 83GOLFO PERSICO: Ajman,Al Fujarah, Dubai, Kuwait City pag. 84

Environmental remediationAlice Castello pag. 88Villadose pag. 94

Plants for production ofelectric energy from biogas pag. 100Olbia, Casale Monferrato,Trivignano Udinese, Giovinazzo pag. 104Ghemme, Pescantina,Alice Castello, Chivasso pag. 105

Energy production stationsfrom waste and biomassWaste-to-energy plants:- technologies pag. 108- standard plants pag. 116Developed projects pag. 120Current projects pag. 122Progetti in essere pag. 134

Renewable energyTroia Wind Park pag. 138Photovoltaic energy pag. 140

Glossary pag. 143

Registration: Albo Gestori Ambientali(Board of Environmental Managers)

DANECO IMPIANTI has been certified by the AlboNazionale Gestori Ambientali (National Board forEnvironmental Managers) for category 6(management of plants for disposal and recovery bythird party owner) until 13.01.2009, the date in whichthe Minister for the Environment issued Amendmentn.108 for the annulment of category 6.

Category 6 certification, for which DANECO IMPIANTIwas compliant, was in class A (total yearly treatedquantity, exceeding 200.000 tonnes):

6A management of municipal waste transfer stations andthe accumulation of separately collected wastes 6C management of waste treatment plants employing chemical-physical and/or biological methods 6Dmanagement of landfill sites for municipal or treated waste.6F management of landfill sites for special waste6H management of plants for thermal treatment of municipal waste and special waste, hazardous and non-hazardous waste.

DANECO IMPIANTI also owns the followingregistrations to Albo dei Gestori Ambientali in linewith the latest regulatory amendments:

MI05530 del 16/01/2009 to transport their own waste, Excluding the transport of the hazardous waste that doesnt exceed 30kg daily or 30 litres daily. MI05530 del 16/01/2009 for Category 9 (remediation of the sites) Class A (cost of work or site remediation over 7.746.853)

The Groups Business Areas

The UNENDO Group, a leader in the environmental sectorin Italy, was founded in 2001 following the acquisition byItalian businessmen of Waste Management Italia and theamalgamation of the existing companies. The Group,through its major and minor shareholders, is currentlyinvolved in the entire cycle of waste management and theproduction of energy from renewable sources.

DANECO IMPIANTI has extensive and widespreadexperience in the supply of services as well as plant designof environmental friendly solutions for clients who operatein the public and private sectors.

Presently, DANECO IMPIANTI is established as a leadingprivate operator in plant design, construction andmanagement of mechanical-biological plants for theproduction of RDF (fuel derived from waste) and compost,as well as provider of solutions for energy recovery derivedfrom waste landfills of the residual fraction of nonrecoverable waste.

DANECO IMPIANTI is part of the UNENDO Group and itsoperations cover not only a significant part of the nationalterritory but also extend internationally.The company is made up of 150 staff, working in theMilan headquarters and in the current production units inthe various regions where it operates.

Sensitive to todays changing environment, in these lastfew years, DANECO IMPIANTI has also invested in thedevelopment of other forms of energy sources alternativeto fossil fuels, such as wind-farms and photovoltaic parks.

Certificate SOA

DANECO IMPIANTI is qualified under then18378/10/00 certificate to carry out public worksissued by CQOP SOA S.p.A. for the followingcategories and classifications:

OG1 civil and industrial buildings- IV OG3 streets, highways, bridges, viaducts, railways, tram lines, underground stations, cable railway, airport runways and related works - IIIOG6 water works, gas works, oil pipelines, irrigation and drainage worksOG9 plants for the production of electric energy- VIIIOG12 civil works and plants for environmental requalification and protection - VIIIOG13 civil works for ecological engineering- IVOS1 earthworks - IVOS4 electromechanical plants using belt conveyors - II OS14 waste disposal and waste recovery plants - VIIIOS21 special structural works - IVand the qualification of preliminary/executive designs according to their performances - VIII

Quality certification

The elevated technical/professional skills along withclose attention to the individual needs of the Clientsare fundamental characteristics of DANECO IMPIANTI.The DANECO IMPIANTI management system iscertified in compliance with the current internationalregulations UNI EN ISO 9001.

DANECO IMPIANTI is accredited with the followingcertificates:

CERT-08859-2001-AQ-MIL-SINCERT, issued by the Authority for Certification DNV Italia s.r.l., for planning, construction and start up of waste treatment plants, planning and construction of landfills for nonhazardouswaste and works for environmental requalification and restoration.CERT-299, issued by the Authority for Certification DNV Italia s.r.l for the supply of services for landfill management of non hazardous waste (ex. MSW and special wastes), the management of plants for the production of electric energy from biogas and management of plants for non hazardous municipal waste treatment.

The certification applies to the following sites:Headquarters in Milan, landfill sites in Andria (BT), Trivignano Ud. (UD), biogas plant in Pescantina (VR), mechanical-biological treatment plant in Sulmona (AQ).

Sanitary Landfills

DANECO IMPIANTI prides itself on the design,construction and management of sanitary landfills forwaste materials on the national level and in line withthe requirements set out by the European CommunityDirective and adopted by the Italian LegislativeDecree no. 36, 13 January 2003, for theimplementation and development of energy recoveryplants at various sites based on landfill biogas.

Safety and monitoring

Monitoring the environmental factors is afundamental activity for sanitary landfill plants, be itin the operational or post-operational phase. In orderto prevent any possible impact on the environment,the most stringent measures for monitoring keyparameters have been implemented. In accordance with the current regulations, theoperations of environmental control are programmedaccording to a specific Plan of Surveillance andControl.

Monitoring and Control normally regard:underground watersleachatesurface drainage waterslandfill gas and emissions into the atmosphereweather parametersthe physical condition of the landfill and which guarantee overall protection of the surrounding environment.

Landfill Capping and Restoration

Upon depletion of the deposited waste volumes,DANECO IMPIANTI carries out the most appropriateinterventions for landfill capping and environmentalrestoration so as to obtain final requalification of thesite. This is executed by creating a protection layerand an insulation system over the waste materials,with a subsequent restoration layer of top soil, whichmay be landscaped. For further protection of theenvironment, the current legislation on the subject ofsanitary landfills provides for these plants a post-closure operational period of no less than 30 years,during which, further operations of maintenance andcontrol are systematically carried out.

Upon being awarded the contract by thecommissioner for Emergency Waste Disposal inCampania, the SantArcangelo Trimonte landfill wasbuilt in April 2008. The contract included theconstruction of a landfill for MSW of 800.000 m3,subdivided in Basin no.1 of 150.000 m3 and Basin no.2 of 650.000 m3. The two basins are physicallyseparated, thus ensuring an adequate buffer zone forthe Terna S.p.A high voltage lines leading toSantArcangelo Trimonte. The contract also includedthe repair and restoration of two already existinglandfills located adjacent to the new basins, whichcollapsed due to climatic conditions. The workinvolved the restoration of the site and thesurrounding area so as to ensure that there will be nolonger any risk to the public or to the surroundingenvironment.

CONTRACTING BODY MISA (Missione Aree Siti Impianti) replaced by theCommissario Delegato for Emergency Waste Disposal in Campania.OWNER Municipality of SantArcangelo Trimonte (BN)SITE SantArcangelo Trimonte (BN), Locality La NocecchiaDISPOSED WASTE MSWVOLUME 800.000 m3, of which 150.00 m3 in Basin no.1,and 650.000 m3 in Basin no.2COMPLETION OF WORKS June 2009CONSTRUCTION COST 16.000.000 MANAGEMENT from June 2008 - temporarily managedby DANECO IMPIANTI.

Sanitary Landfills

SantArcangeloTrimonte

Sistema di drenaggioed estrazionedel percolato

Excavation at SantArcangelo Trimonte

Site

9from left:

1- Deodorising System2- Initial Start-Up Phase

Pozzo biogas

Testa del pozzo diestrazione del percolato

da sinistra:

1- Stoccaggio percolato 2- Pozzo di rilancio del percolato

The landfill

The project included the subdivision of the site into two sep-arate basins, where the second basin has been divided intothree separate lots. During the construction of both basins,excavation and backfilling operations were carried out, so asto form the perimetrical embankments, each located aboveground. Waterproofing of the floor and sides was executedin accordance with Legislative Decree 36/03.

The Drainage system, the landfill is equipped with aspecialised piping network, for :

leachate, recovered from the landfill floor through a system of seepage piping and sent to the temporary storage basin to be regularly transferred for treatment ata third party plant;rain water sent to the surface drainage network;first rain water, sent to the appropriate storage and sedimentation basins before being relaunched to the leachate storage basin.

Finally, the landfill is furnished with auxiliary equipment:weather/Meteo station;wheel and tire washing system;weighbridge;offices and facilities for personnel.

Start-Up of construction

11

The construction of Basin 1 was achieved in record time, on-ly 45 working days. In June 2008, DANECO IMPIANTI was of-ficially assigned the management of the landfill, thuseliminating the state of emergency in Campania.Currently, the landfill receives about 1500 tonnes of wasteper day, with the possibility of managing flows of up to 3000t/d. All waste is accepted into the landfill upon formal verifi-cation of all documentation and after being weighed at theweighbridge station. Subsequently the waste is directed tothe unloading area, where upon visual inspection it is un-loaded, compressed by specialized machinery and covereddaily with appropriate covering material. Monitoring of theenvironmental parameters is executed according to prede-fined test procedures (surveys and systematic analysis) by cer-tified personnel.

Foreseen, is the construction of a biogas captation network,for the subsequent recovery of energy through the produc-tion of electricity, that the managing body could later or sellto the available market.

Dettaglio tiranti

Palificata in progetto incorrispondenza del

coronamentodellargine del lotto IV

Upon the completion of a preliminary technical andadministrative examination, as per Articles 27 and 28of Legislative Decree 22/1997, the office of theCommissioner for Emergency Waste Disposal in theregion of Calabria has decreed to the company ECOINERTI Srl by the Commissarial Order no. 2873, ofMarch 3rd, 2004, the authorization for theconstruction and management of a sanitary landfillfor special non-hazardous waste to be located inGall and Carrattello in the Municipality of Pianopoli(CZ). Subsequently, following the coming into forceof Leg . Decree 59/2005, the commissarial authorizedregulation was confirmed by the issuing of theEnvironmental Integrated Authorization for therealization and running of the landfill, by Decree ofthe General Managers of the Region of Calabria no.14053, 06/10/2008.

DANECO IMPIANTI was selected by ECO INERTI for therole of Main Contractor for the design andrealisation of the landfill in question.

CLIENT ECO INERTI SrlOWNER ECO INERTI SrlSITE Municipality of Pianopoli (CZ) , Locality Gall and CaratelloDISPOSED WASTE Special non-hazardousNUMBER OF LOTS 2VOLUME 495.000 m3

CONSTRUCTION AND CLOSING COSTS 10.000.000 COMPLETION OF WORK September 2009MANAGEMENT ECO INERTI Srl

Sanitary Landfills

from up:

1- Original status of project2- During construction

Pianopoli

The landfill

The designated landfill site for the project is located in Gall and Carratello in the Municipality of Pianopoli, Catanzaro, roughly 13km from the urban area ofPianopoli (CZ). It has a gross surface area ofapproximately 8 hectares and is posi-tioned at an altitude between +90m and +180 m above sea level, ina progressively descending slope ina S-E direction within the two lots.

The construction of the landfillincludes

shaping of the basin cavity, through operations of excavation, earth moving and modelling of the walls;placement of insulating materials so as to protect the basin cavity from the natural elements (waterproofing of the ground and sloped walls);implementation of a dedicated solution for the channelling, captation and collection of the leachate and the biogas;allocation of support structures and facilities (service areas, offices, weighing station, etc).

As per approved design, upon completion of its construc-tion, all management of daily landfill operations, involve theplacement of the waste upon entry to the site, its spreadingand compaction by suitable machinery so as to minimize theoccupied volume and optimize future settling.

The allotment and processing of waste materials is expectedto be in two separate basins, filled in succession, startingfrom the first basin with a capacity of about 190.000 m3 andthen subsequently in the second, whose capacity is that of

about 305.000 m3. The monitoring operations are regulatedby the online control and monitoring systems, previouslyconfigured in the planning phase, whose purpose it is tomonitor the key environmental parameters, air water- soil,and prevent or minimize any impacts that the landfill maycreate. Once the allotment of the second basin is complet-ed, it will be required to execute final capping and environ-mental requalification operations in order to give the closedsite the appearance of a grassy slope which has been refor-ested with indigenous plant matter.

13

argine di valle

banco intermedio

pista perimetrale

rampa di servizio

fondo discarica - lotto 1

fondo discarica - lotto 2

area di servizio vasche di laminazione

cancello dingresso

canale di guardia

recinzione

linea percolato

pompa di sollevamento del percolato

area di servizio allingresso

Site Plan

CHIVASSO 0

OWNER SETA SpADISPOSED WASTE MSW and waste extracted from the restoration of previous basin (as per Article 12. of Italian legislation)VOLUME 531.600 m3

COMPLETION OF WORKS December 2009CONSTRUCTION COSTS 14.000.000 MANAGEMENT Concessione SMC SpA

CHIVASSO 1

OWNER SMC Smaltimenti Controllati SpADISPOSED WASTE MSW VOLUME 500.000 m3

MANAGEMENT SMC Smaltimenti Controllati SpA (Gruppo UNENDO SpA)

CHIVASSO 2

OWNER SMC Smaltimenti Controllati SpADISPOSED WASTE MSWVOLUME 1.800.000 m3

MANAGEMENT SMC Smaltimenti Controllati SpA (Gruppo UNENDO SpA)

CHIVASSO 3

OWNER SMC Smaltimenti Controllati SpADISPOSED WASTE Special Non-hazardousVOLUME 500.000 m3

COMPLETION OF WORKS 2004CONSTRUCTION COSTS 8.000.000 MANAGEMENT SMC Smaltimenti Controllati SpA (Gruppo UNENDO SpA)

CHIVASSO 3 - V AND V1 BASIN

OWNER SMC Smaltimenti Controllati SpADISPOSED WASTE Special Non-hazardousVOLUME 795.000 m3

COMPLETION OF WORKS December 2009CONSTRUCTION COSTS 5.600.000 MANAGEMENT SMC Smaltimenti Controllati SpA (Gruppo UNENDO SpA)

OLD TYRES AND RUBBER SCRAPS SHREDDING PLANT

OWNER SMC Smaltimenti Controllati SpADISPOSED WASTE Tyres and Rubber ScrapsPRODUCTS Tyre ChipsCOMPLETION OF WORKS January 2005CONSTRUCTION COSTS 900.000 MANAGEMENT SMC Smaltimenti Controllati SpA (Gruppo UNENDO SpA)

Sanitary Landfills

Chivasso

from up:

1/2/3 - Panorama of the Landfill4 - Tyre Shredding Station

15

NORD

fondo posa rifiuti

canale di scolo

sottopasso idraulico

setto separatore in argilla

soprassuoli arborei esistenti

Site Plan

fascia di rispetto

fascia di rispetto

fascia di rispetto

Profilo adeguamento volumetrico discarica Chivasso 3

STRATO DI TERRENO VEGETALE SPESSORE 100 CM GEOCOMPOSITO DRENANTEMATERASSINO BENTONITICO INTERPOSTO TRA DUE GEOTESSILI TNTSTRATO DI INERTI SP. 10 CMSTRATO DI PNEUMATICI TRITURATI SP. 40 CMRIFIUTI ABBANCATI

-8

STRATO DI TERRENO VEGETALE SPESSORE 100 CM GEOCOMPOSITO DRENANTESTRATO ARGILLOSO K< = 10 M/SEC SPESSORE > = 60 CMGEOTESSILE NON TESSUTO 300 GR/MQSTRATO DI INERTI SP. 40 CMSTRATO DI PNEUMATICIRIFIUTI ABBANCATI

PACCHETTO IMPERMEABILIZZAZIONE SOMMIT DISCARICA

PACCHETTO IMPERMEABILIZZAZIONE SPONDE DISCARICA

The landfill

The Chivasso site, located in the Pozzo Region, where pre-viously was located Fornace SLET, owner SMC SmaltimentiControllati SpA (a company which is part of WASTE ITALIAs.r.l. - Gruppo UNENDO SpA) today represents a technologicalplatform which has been articulated into various smaller en-gineering plant units developed over the past two decades.

The site is located south-east of the residential area and closeto the industrial zone, stationed north of the A4 Torino-Mi-lano highway. Historically, it has been managed by the com-pany SMC Smaltimenti Controllati SpA (Gruppo UNENDOSpA).

drainage network;Suction piping from the captation well to the existing temporary storage tank.

The biogas captation system was dimensioned for the max-imum hourly capacity of extraction.

The designed biogas captation system is consists of:a series of captation wells;two regulation stations for every basin;an existing plant for extraction and biogas recovery.

Once the allotment of waste is completed, landfill cappingwill be executed so as to guarantee the landfills insulationand limit the infiltration of water so as to reduce the pro-duction of leachate. The final design of the covering is instrict accordance with the Italian Legislative Decree 36/2003.

Restoration of the landfill and the construction ofCHIVASSO 0 landfill as per-Article 12 of Italianlegislation

The project for the restoration of the landfill area ex. Article12 DPR 915/82 provides for removal of the deposited wasteand the construction of the new sanitary landfill, incorpo-rating all safety prerequisites suitable for disposal of unse-lected MSW coming from the territory of the Basin 16Consortium.

from left:

Access RampWork Area

The tyre shredding plant

The plant is constructed inside a partially enclosed buildingwith limited buffering. The old tyres are unloaded on theground and are feed by a crane into the primary shredder, soas to obtain an initial scaled reduction of the material, toaround 30-40 cm. The shredded material is then transferredto the secondary shredder which further reduces the di-mensions of the chips to 3cm. The final product is designedto be added to the RDF, obtaining a fuel which has a highercalorific value or that may be used as drainage material in theconstruction of the landfills.The plant incorporates an aspiration and dedusting system,complete with ventilators and bag filter.

Basin V and V1 of the CHIVASSO 3 landfill

The expansion of the Chivasso 3 landfill will reach a volumeequal to about 795.000 m3. The foreseen waterproofingpackage to be implemented, specially designed for the basinfloor and walls, is designed in accordance with constructioncriteria defined in Attachment 1 of Italian Legislative Decree36/03.

The building of a leachate captation network is fore-seen for each basin, consisting of:

two wells for collection and re-launching of the leachate;

The execution of the project is set out in essentiallytwo phases:

removal of buried waste in the already existing landfill ext-Article 12 and placement of the same in basin 1 ofthe new sanitary landfill;construction on the same area, upon restoration of basin 2 of the new Chivasso 0, landfill suitable for the disposal of the municipal solid waste from the surrounding community;once the second basin is filled, the procedures for the capping of the landfill will be implemented and finalisedwith environmental restoration.

The new Chivasso 0 landfill will have a volume of531.6000 m3, of which about 86.000 m3 is destined toextracted waste from the area known as ex-Article 12.

The construction of the landfill consists of:construction of Basin 1 of the new landfill;removal of the waste from the landfill area ex-Article 12for restoration and placement of the waste in Basin 1 ofthe landfill;construction of Basin 2 on the reclaimed area and continuation of the placement of waste in Basin 1;allocation of the waste in the newly constructed Basin 2;upon completed allocation of waste to landfill, execution of capping procedures and environmental restoration of the area.

The designed biogas captation system consists of:29 drilled vertical wells;4 regulation stations;an extraction station;an existing plant for extraction and biogas recovery.

17

fondo posa rifiuti

canale di scolo

sottopasso idraulico

setto separatore in argilla

soprassuoli arborei esistenti

fondo posa rifiuti

canale di scolo

sottopasso idraulico

setto separatore in argilla

soprassuoli arborei esistent

fondo posa rifiuti

canale di scolo

sottopasso idraulico

setto separatore in argilla

soprassuoli arborei esistenti

soprassuoli arborei esistenti

Site Plan

The activity for MSW waste disposal at the CascinaSettuzzi landfill began in 1965, predominantlyservicing the Municipality of Mariano Comense.Through a series of measures, activity at sitecontinued until 1985, when the Region of Lombardy,by resolution no. 54871 of 23 July definitelyapproved, in relation to the public plan of sanitarylandfills by Articles 20 and 21 of the Legge Regionale98/80, the location of this landfill with ownership tothe Municipality of Mariano Comense. Additionallywith resolution no. 54872 of 23 July 1985, the overallexecutive designs for the realization of the landfillwere approved based on plans proposed by theMunicipality of Mariano Comense, thus authorizingthe municipality itself for the construction of apublic sanitary landfill for municipal solid waste byexpanding the existing site in Cascina Settuzzi. Thedecision above derived from a long and complexpreliminary investigation that clearly confirmed thefull suitability of the location from a geological,hydrogeological and environmental standpoint.

Under the subsequent regional authorization no.615/2000 a series of works were executed, along withimprovements with ecological and environmentalobjectives, as well as the incorporation of a complexset of activities for control and monitoring.Currently, all operations have been authorized underthe Decree of the Region of Lombardy no. 12045, 17October 2007 Environmental IntegratedAuthorization issued to the Municipality of MarianoComense (CO) in accordance with Legislative Decree18.02.2005 no.59 Attachment 1, point 5.4, andfollowed by Decree no. 3998, 7 April 2006 by theRegion of Lombardy for the approval of the project,with authorization to construct fundamentalmodification to the plant in Mariano Comense (CO) atthe site in Cascina Settuzzi, which were alreadyauthorized by Decreto Giunta Regionale 615/00(Regional Council Decree) and for the managementof all operations for non-hazardous waste disposal.

CONTRACTING BODY Municipality of Mariano Comense (CO)OWNER Municipality of Mariano ComenseSITE Locality Cascina SettuzziDISPOSED WASTE Special Non-hazardousVOLUME Lastest authorized capacity 276.000 m3

CONSTRUCTION AND CLOSING COSTS 15.000.000 COMPLETION OF WORKS 2009MANAGEMENT from 1982 with extensionsof original concession over time

Sanitary Landfills

from up:

1 - Landfill restoration2 - Construction of basin cavity

3 - Perimetral reinforcedsupport embankment

4 - Allocation in existing basinand construction of new cavity

Mariano Comense

The operational management of all the wastedisposal activities was assigned to DANECO IMPIANTIunder the contract for the construction andmanagement, initially signed with the companyGesam Gestione Servizi Ambientali SpA and underwhich, from 1982 has entitled them to manage thelandfill site. Subsequently Gesam Gestione ServiziAmbientali SpA merged with the Unendo Group.Furthermore, in May 2004, the Municipality ofMariano Comense signed an agreement with thesyndicate association ATI Biamont Sas (today DANECOIMPIANTI) and Berica Impianti Energia Srl for energyrecovery of the biogas produced at the CascinaSettuzzi landfill. Under this agreement theassociation was entrusted to implement the relativeworks for the completion of the biogas network forits extraction and transfer, the construction of theenergy recovery plant, as well as the 10 year licenceto exploit the biogas originating from the landfill.

The landfill

According to the provisions of the current project, within theexisting perimeter, expansion of the landfill body on the east-ern slope is foreseen. For clarity, the current allotment of thewaste is executed in an area which has been used for theaccumulation of terrain previously set aside for the opera-tions of environmental restoration. Accumulations of waste,on this new area parallel to the eastern slope of existinglandfill will progressively be integrated to the body of the ex-isting landfill. The existing site covers a total surface of 82.000 m2, whilethe current new project will occupy an area of 28.500 m2.The total authorized project capacity will be equal to276.127 m3 and which when added to the previously occu-pied volumes, leads to an overall estimated volume of theentire site of over 2.000.000 m3.

Based on the current rates of waste allocation, uninterrupt-ed since September 2007, it is foreseen that the operationsat the landfill will continue until July 2010, in accordancewith the contractual obligations between the Municipalityof Mariano Comense (owner of the decree) and the conces-sionaire DANECO IMPIANTI.

Differing from other landfills built and managed by DANECOIMPIANTI, at the Mariano landfill, there is a certified waste-water reception station, primarily for the leachate derivingfrom the landfill. The leachate, which originates from the oldbody of the landfill and also from the new extension, is col-lected in separate tanks and then is sent by a leachate ductto the nearby Wastewater Treatment plant. This eliminatesroad transport of the leachate and minimizes the associatedimpact to the local environmental. Within the current con-struction of the expansion, DANECO IMPIANTI has installedan on site physical-chemical treatment plant for the men-tioned leachate, positioned next to the storage tanks of theextension, with the aim, if necessary, to lower the chemicalparameters of the leachate, so as to guarantee that they fallwithin the acceptable limits required by the WastewaterTreatment Plant specifications. The intake of leachate intothe leachate duct is controlled by a remote system that ismanaged by the Wastewater Treatment plant upon verifica-tion of the flow rate in order to optimise the operations ofthe water purification plant.

Currently, the Biogas is aspirated from the captation wellsand is conveyed by two centrifugal suction fans to the 2 elec-tric power generators of 250kW and 500 kW while the torch(capacity of 500 Nmc/h) is used in emergency situations, usu-ally only in the case of shutdown of the motors. The BT/MTtransformation station for the interconnection and sale ofelectric energy to the public grid completes the configurationof the site.

19

from left:

1 - Leachate Treatment System2 - Landfill Restoration

Municipal waste disposal on the Fornace Solarialandfill site began in 1987, which is located in theMunicipality of Ghemme, on the country road whichconnects Ghemme and Cavaglio. The morphology ofthe zone is hilly and the landfill which consists of 3basins is positioned in a predominantly flat area,slightly sloping from North to South.

OWNER Middle Waste Management Consortium NovareseSITE Municipality of Ghemme (NO), Locality Fornace SolariaDISPOSED WASTE MSW; Special Non-hazardous NUMBER OF BASINS 3SUPPORT STRUCTURES AND FACILITIES PLANT shredding, screening and selection plant (non operational due to depleted flows)VOLUME 2.600.000 m3

MANAGEMENT DANECO IMPIANTI

Sanitary Landfills

Ghemme

from up:

1 - Access Road2 - Panorama of the Landfill

3 - Provisional Capping

The landfill covers a total surface area of about 195.000 m2

and the total volume of the landfill is approximately2.600.000 m3. The site is surrounded by thick vegetationwhich helps to conceal the presence of the landfill.

The landfill was built following the approval of the Projectfor sanitary MSW waste disposal at Fornace Solaria,Ghemme (NO) of September 1986 and approved by thedistrict of Novara; resolution no.1375, 23 July 1987; withthe variant in March 1988 approved by the district of No-vara, resolution no. 1463, 21 July 1988 and of the Designvariant for completion and capping of the landfill located inthe Municipality of Ghemme of October 1996, approvedby the district of Novara; resolution no. 546, 3 August 1998.Daneco SpA, now DANECO IMPIANTI, was assigned a con-cession contract for the construction and management ofthe waste disposal activities.

As per project, and as per subsequent integrations, eachbasin is waterproofed through double layering; the firstmade out of natural materials; compact clay and the secondfrom artificial materials; HDPE sheets.The waterproofing solution is finalized by a drainage layer,consisting of gravel or similar material whose role is to con-vey the leachate produced to the captation wells.The leachate is extracted by pneumatic or electric pumps andcollected in the collection tanks, from where it is subse-quently transferred to the external plants for certified treat-ment.The plants activity involves the reception and allocation ofwaste inside the specially built basins, whereupon com-paction operations are carried out on a daily basis, and up-on completed filling of the basins, covering of the waste witha layer of soil.

The activities which take place are:weigh station and waste control;compaction in the landfill basins and covering of waste by a layer of soil;maintenance of the support structures for leachate collection and biogas extraction;activities of supervision and control;vehicle maintenance.

Currently, having exhausted the available volume defined inthe resolutions, in progress is the capping of the first of 3basins.

The activity of capping involves the construction of a finalcovering layer over the landfill site in accordance with spec-ification defined by local legislation. This is executed by thelaying of natural and artificial material for drainage and wa-terproofing in order to minimize seepage due to rain whileallowing correct extraction of the leachate and biogas afterthe termination of waste disposal activities at the landfill.

The site, once closed will be constantly monitored and nor-mal maintenance as well as other services will be guaran-teed for a period of 30 years.

21

Offices and WeighbridgeStation

The company EXE S.p.a., owner of the regionaldecree authorizing the construction of the landfill,has assigned the construction and management ofthe plant after a call for tenders to A.S.P.I.C.A. S.r.l.(later Waste Italia S.p.a., Daneco Gestione ImpiantiS.p.a., Daneco S.p.A. and currently DANECO IMPIANTIS.r.l.).

The landfill for non-hazardous waste of EXE S.p.a. issituated in the Municipality of Trivignano Udinese inthe province of Udine, Locality of Braide Grande eastof Clauiano and approximately 40 metres above thesea level.

The landfill area is divided into 3 zones: the basin forallotment of waste, which has a maximum depth ofapproximately 10 meters; the facilities area and thegreen zone. The landfill is structured to receive thefollowing waste: shorts from composting plants,municipal solid waste (MSW), bulky waste and MSWsimilar waste wrapped in pressed bales.

OWNER EXE S.P.A. Via Portanuova, 3 - 33100 UdineSITE Via Meretto, Locality Braida Grande - 33050 Trivignano UdineseDISPOSED WASTE Non-hazardous wasteNUMBER OF BASINS 4AUTHORIZED VOLUME capacity 837.000 tMANAGEMENT DANECO IMPIANTICONSTRUCTION AND CAPPING COSTS 6.600.000

Sanitary Landfills

from up:

1 - Facilities Area2 - Green Area

3 - Hangar for Trucksand Equipment.

Trivignano Udinese

The landfill

The area of the landfill is about 11 hectares of which 7,5 isdesignated for waste allotment and 3,2 is to be the peri-metrical green area.The landfill has a biogas extraction system and a biogas en-ergy recovery plant. Monitoring of the environmental factors is a fundamentalactivity for the sanitary landfill site, both during the normaloperations phase as well as the post-operational phase.The operations of environmental control need to be pro-grammed and this is the reason that a specific Monitoringand Control Plan was implemented.Measurements are carried out by qualified personnel, inde-pendent of the Plant Manager.

Monitoring and Control entail:groundwater;leachate;surface drainage waters;landfill gas;meteorological parameters;state of the landfill body.

In particular, as far as the groundwater is concerned, the ob-jective of monitoring is to promptly detect possible situationsof pollution that might be caused by the landfill, in order toimplement the specified measures defined under the emer-gency plan.Monitoring of the groundwater involves the use of specificwells built around the site, of which one is upstream and fivedownstream in relation to the predominant direction of thegroundwater runoff.Such wells are used for the periodic measurements of thegroundwater level, for placement of the multiparametric au-tomatic probes and for the periodic taking of water samplesfor chemical analysis.

Environmental recovery

Regarding the environmental restoration of the landfill areaafter terminating waste disposal, foreseen is the creation ofthe Ecological Stepping Stone park.

Literally, stepping stone signifies a passage made ofstones: meaning those stones placed by man or which existnaturally, and which when placed in a certain manner one af-ter the other, allow someone to cross a stream or a water-course, even by jumping.

The Ecological Stepping Stone has a specific naturalfunction: involving wooded areas, each sufficiently large andinterconnected between each other, that are surrounded bya much diverse ecosystem, poorer from the point of view ofthe number and type of vegetation and wildlife. For exam-ple, in the agricultural context, a wooded area is designed forthe refuge or stopping area for numerous wildlife species(essentially small sized mammals, amphibians and reptiles,but also insects and birds).The primary role of the stepping stones and of the eco-logical corridors that connect them isnt as one might think,of a landscaping nature but instead is fundamentally as amethod to safeguard and increase biodiversity, which is thetrue value of the genetic heritage of the species (vegetableor animal) which is present in a certain ecosystem.The designed project provides for the creation of 6 ecologi-cal corridors with the formation of new tree-shrub bufferstrips for 11,23km and the restructuring of the existing tree-shrub belt for 9,13 km. In total, the intervention area isspread over 22,14 km of land.

23

Plant for extractionand Biogas Recovery

The area relative to the landfill is located in theNorthern part of the Carbonia territory, about 10kmin a straight line from the residential centre. It is 1,5km in a straight line from the administrative borderof the Municipality of Gonnesa.

The occupied area of the landfill stands on a smallincision located on the southern slope of MountOnixeddu, several hundred metres from the ruins ofthe old mine in Onixeddu. The elevation of the areavaries from about 140m at the valley base to about230m at the extreme east and 327m above sea levelat the northern sector.

OWNER Riverso Srl (with a 75% participation of DANECO IMPIANTI)SITE Locality SERRA SCIRIEDDUS 09013 Carbonia (CA)DISPOSED WASTE Special Non-hazardousNUMBERS OF BASINS 3VOLUME 900.000 m3

COMPLETION OF WORKS ongoing MANAGEMENT Riverso Srl

Sanitary Landfills

from up:

1 - Start-Up of construction2 - Panorama of the Landfill

3 - Excavation of basin cavity

Carbonia

The landfill

Since its set up, the most advanced technology and envi-ronmental safeguards have been adopted.

The embankments have been constructed in the fol-lowing manner:

on the rock surface of the excavated walls a three dimensional 7cm thick rhomboid geogrid in HDPE is placed. This liner is filled with vegetable soil that serves as a punch proof buffer; the following layer is comprised of a bentonite mat, which is composed of two layers of non-woven fabric containing one layer of sodium bentonite;for final closure, the main waterproofing layer consists of a 2.5mm thick liner in HDPE.

The floor was constructed in the following manner:on the excavation floor, after having carried out the structural load tests with results in the order of 700kg/cm2, a 20cm thick layer of gravel encompassing a pipe fissure DN.315 in HDPE was placed;on top of the drainage layer, a 1m thick layer of clay was placed and then compacted, so as to guarantee a permeability coefficient of 10-8 ; on top of the clay, a 20cm thick layer of sand was placed, which encompassed a network of draining pipesin HDPE DN. 100 constituting the network of monitoring for possible losses in the main waterproofing;the main waterproofing system is comprised of a 2,5mm thick lining in HDPE;the HDPE lining is protected by a 30cm thick layer of granular aggregates;for the waterproofing system, the OHMEX testing (geoelectric test) was carried out in order verify the status of the linings seal.

25

Panorama underconstruction

Excavation of basin cavity St

Placement of Geo-Grid

The sanitary landfill site for special waste, in operation since2002, has a capacity of over 900.000 m3 and every day tonsof special waste is deposited inside. There are 20 permanentemployees, operating machinery, trucks and other types ofdedicated vehicles.

Since the start of operations at the landfill, the authorizationfor disposal is conditioned to the physical-chemical charac-terization of the waste that is to be disposed. Upon first de-livery of waste, (accompanied by registration form, copy ofthe certificate of analysis with classification and a declara-tion of conformity of the transported waste corresponding tothe analysed sample) the waste is temporarily stored in a spe-cial waterproofed area and is subjected to analytical testingby specialized laboratory technicians.

Only upon successful approval, is the waste considered ac-ceptable and is sent for disposal. Periodic tests of the ap-proved waste are carried out in accordance with certifiedprocedures. The extracted leachate is accumulated inside special collec-tion tanks and is subsequently purified at the reverse osmo-sis plant, owned and operated by RIVERSO.In order to avert any risk of pollution, the water from themonitoring wells downstream from the site, is meticulousand constantly controlled. Analysis is carried out periodical-ly and is subject to verification by the designated public au-thorities.

RIVERSO has adopted an environmental monitoring systemwhich is certified in accordance with UNI EN ISO 14001:2004standards.

27

Start-Up of construction Placement of piping network

OWNER Waste Italia Srl (Gruppo UNENDO SpA)CLIENT Waste Italia Srl (Gruppo UNENDO SpA)SITE Municipality of Albonese (PV)DISPOSED WASTE Special Non-hazardousNUMBER OF BASINS 4VOLUME 180.000 m3

COMPLETION OF WORKS 2007MANAGEMENT Waste Italia Srl (Gruppo UNENDO SpA)

SORTING PLANT

OWNER Waste Italia Srl (Gruppo UNENDO SpA)TREATED WASTE Special Non-hazardousPLANT WORKING CAPACITY 60.000 t/yPRODUCTS recyclable material(paper, cardboard, plastic polymers), iron, RDFCOMPLETION OF WORKS November 2003MANAGEMENT Waste Italia Srl (Gruppo UNENDO SpA)

DANECO IMPIANTI has designed and constructed thelandfill for non-hazardous waste in the Municipalityof Albonese. Along with the landfill a plant for themechanical selection of recoverable materials and theproduction of RDF from special non-hazardouswastes, has been annexed to the landfill.

Sanitary Landfills

Albonese

from up:

1 - Placement of clay layer2 - Waterproofing

of Basin 43 - Placement

of Non-Woven fabric

Mechanical screening plant

Before being allocated to the landfill, the waste is mechani-cally treatment within a waste processing plant for mechan-ical selection, recovery of recyclable material and RDFproduction from special non-hazardous waste.

The process involves unloading of the waste on the groundupon arrival, shredding and subsequent screening in a starscreener connected to an aeraulic separator for the separa-tion of the fine fractions and the selection of light dry ma-terials destined for RDF production. The screening operationsare followed by ferrous separation and final shredding. Al-ternative to the mechanical screening, there is a manualscreening line in the sorting cabin for the recovery of mono-materials; the scrap of which is used for RDF production.

The landfill

The landfill is 400m north-west of the residential area andabout 1.6km from the residential area of Madonna del Cam-po, in the Municipality of Mortara. The total authorized vol-ume (net of the final capping) is 181.826 m3, with amaximum expected height of the landfill equal to 125,63 mabove sea level (maximum waste height 124,43meters).

In order to guarantee insulation of the waste body, rel-ative to the environmental elements, the landfill proj-ect also includes:

waterproofing of the floor and embankments;implementation of piping network for the collection of surface waters;leachate collection and management system; final capping.

The landfill was subsequently modified according to guide-lines set out by Legislative Decree 36/2003 in the time framespecified by the decree.

29

from left:

1 - Placement of Clay layer2 - Placement of layer

Waterproofing3 - Leachate Collection piping

The sanitary landfill, owned by the ConsorzioIndustriale per la Zona di Interesse Regionale diIglesias is included in the Regional Plan for WasteManagement by the Ministry for the Environmentand Territorial Protection of the Autonomous Regionof Sardegna and registered as a site for the disposalof MSW and similar waste materials for the Provinceof Carbonia Iglesias (CI).

DANECO IMPIANTI was awarded the contract afterthe call for tender by the Consortium ZIR of Iglesias,published in April 2004. The object of the tender wasto identify a private partner with which to establishof a joint enterprise with the objective ofconstructing and managing sanitary landfills for MSWand other similar waste materials. Among theprerequisites of the tender, was to provide financingfor the construction of the second basin to thelandfill site.

DANECO IMPIANTI today holds a 49% share of thejoint venture Servizi Ambientali Iglesias, whoseobjective is the construction and management of thesanitary landfill for MSW owned by the ConsortiumZIR of Iglesias.

CONTRACTING BODY Servizi Ambientali Iglesias SrlZona Industriale Sa Stoia, 09016 Iglesias (CI) OWNER Consorzio ZIR (Zona Industriale di Interesse Regionale di Iglesias)SITE Locality Punta Is Candiazzus - Iglesias (CI)DISPOSED WASTE MSW and waste that can be assimilatedAUTHORIZED VOLUME 420.000 m3

COMPLETION OF WORKS January 2001 for the first basin, Construction of the second basin in progress.MANAGEMENT for the first basin from January 2001 to April 2004,contracted to DANECO IMPIANTI

Sanitary Landfills

Iglesias

from up:

1 - Panorama of the Landfill 2 - Allocation of Waste3 - Waste Compaction

The landfill

First basin

The Consortium ZIR, the owner of the regional decree forthe construction of the landfill site, built the first basin witha total capacity of 110.000 m3 and after a call for tender, as-signed the management of the site to DANECO IMPIANTI.

The management of the first basin, began 1 January2001 for the Municipalities subareas A2 of Iglesias:

Municipality of IglesiasMunicipality of DomusnovasMunicipality of Villamassargia Municipality of SiliquaMunicipality of MuseiMunicipality of FluminimaggioreMunicipality of Buggerru

Initially the landfill was envisioned to have a potential con-tingency for approximately 4 years (first basin), however, dueto the regional emergency needs caused due to stoppage ofconstruction of the Consorzio per lArea di Sviluppo Indus-triale di Cagliari waste to energy plant, entailed that thewaste from the catchment area of Cagliari, was allocated tothe Iglesias site. This caused subsequent depletion of the au-thorized volume in approximately 2 years, with daily dispos-als rates for the summer period peaking to approx 300t/d.

Second basin

The joint venture Servizi Ambientali Iglesias Srl, in accordancewith the company statute, assigned to DANECO IMPIANTIthe construction of the landfills second basin. Its construc-tion is in accordance with the authorized project and currentlegislation.

Construction of Gabion-baskets

from left:

1 - Construction of Landfill2 - Movement of Terrain

31

from up:

1- 2- Covering with shredded Tyres3 - Allocation of Waste

VALFENERA (AT)

OWNER Municipality of Valfenera (AT)SITE ValfeneraDISPOSED WASTE MSWVOLUME 6.400 tSTART DATE OF ACTIVITY 2001COMPLETION OF WORKS Construction 2001MANAGEMENT 2005CLOSURE OF OPERATIONS 2006MANAGEMENT SMC Smaltimenti Controllati SpA

Sanitary Landfills

VALFENERA

from up:

1 - Panorama of the Landfill2 - Perimetral Embankment

3 - Temporary Capping

CAVENAGO DADDA (LO)

CLIENT Eco Adda Srl (Group WASTE ITALIA srl)OWNER Eco Adda Srl (GROUP WASTE ITALIA srl)SITE Strada Provinciale 26 - Frazione Soltarico 26824 Cavenago dAdda (LO)DISPOSED WASTE MSWVOLUME 530.000 m3 lot 1 + 420.000 m3 lot 2SUPPORT FACILITIES Shredding plant START DATE OF ACTIVITY 1995DATE OF COMPLETION OF WORKS Closure of new basinsince July 2009, post-closure next 30 years.MANAGEMENT EcoAdda Srl

VIZZOLO PREDABISSI (MI)

OWNER Municipality of Vizzolo PredabissiSITE Cascina Montebuono 20070 Cascina MontebuoneDISPOSED WASTE MSWVOLUME 6.000.000 mcSUPPORT FACILITIES Press baling lineENERGY RECOVERY FROM BIOGAS to third partySTART DATE OF ACTIVITY 1988COMPLETION OF WORK post-closure up to 2014MANAGEMENT Vizzolo Ambiente SpA

33

CAVENAGO DADDAVIZZOLO PREDABISSI

The Viterbo landfill site for non-hazardous waste, LeFornaci, has been operating in the territory since2000, authorized by Decree n.24, 29/7/99 under theoriginal decision by the regional office for theEvaluation on Environmental Impact for theconstruction of the first basin, with a volume equal to340.000 m3 servicing of the community of the ViterboProvince.

Authorization for the construction of the landfillssecond storage basin was issued by the Departmentfor Environmental and Civil Protection of the Regionof Lazio, by local Decree no.91, 21/02/02, authorizinga volume equal to 850.000 m3. The second allotmentis currently in the operational phase, subdivided intothree excavated sub-allotments with differing periodsof implementation.

Following the modifications to the legislationregarding the sector, an adjustment plan waspresented and approved in accordance with theLegislative Decree 36/03. A basin extension betweenthe first and second basin was authorized on15/03/07, by Decree 28, by the EnvironmentalCommissioner responsible for the state of emergencyfor Lazio.

The project for the new storage capacity occupies anarea which is adjacent to the existing basins and has atotal volume of 850.000 m3, which would allow forthe allotment of 750.000 t waste, if the estimatedquantity is valued at the net of the coverage andconsidering a compaction coefficient of 0.9t/m3. Thissolution offers to resolve the problem of wastedisposal for a period of 4 years.

OWNER Ecologia Viterbo SrlSITE Municipality of Viterbo, Locality Le Fornaci, Strada LemmeDISPOSED WASTE Special Non-hazardousNUMBER OF EXISTING BASINS 2 + 1 Basin extensionVOLUME OF EXISTING LOTS approx 1.750.000 m3

VOLUME OF NEW STORAGE CAPACITY 850.000 m3

CONSTRUCTION AND CAPPING COSTS 20.000.000 CLOSURE OF STORAGE CAPACITY 2013-2014MANAGEMENT Ecologia Viterbo Srl

Sanitary Landfills

Viterbo

from up:

1 - Constructionof expansion basin

2 - Reprofilingof embankment

The landfill

The privately owned area is inthe north-west part of the mu-nicipal territory of Viterbo,10km from the residential cen-tre. The closest town is Mon-eghina, 2km from the landfillsite. The enfolding landscapesurrounding the landfill site ispredominantly agricultural,mildly hilly and is set at an altitude of 230m above sea level.

A fundamental aspect of implemented construction isthe waterproofing system. This system was built in thefollowing manner:

shaping of the basin cavity, involving operations of excavation, earth moving and wall profiling;placement of a layer of compacted clay with 1x10-7cm permeability and with a minimal overall thickness of 1m, which is composed of 20cm overlapping compacted layers (floor and embankments), thus constituting maximum impermeability;spreading of a geocomposite bentonite and of a 2.5cm thick high-density polyethylene fabric.

Following this, a 50cm layer of dense dry material is arrangedtogether with the placement of a system of polyethylene pip-ing, densely slotted so as to encourage the collection anddrainage of the leachate. Each sub-basin of waste allotmentis supplied with an individual well for the collected anddrainage of leachate, that is then stored in a storage tank,with capacity of 220 m3.

As per authorized project, upon completion of construction,the management of the landfill site foresees daily allocationand positioning of the waste on entry in an orderly manner.On a daily basis, the waste is laid out, spread out and com-pacted by appropriate machinery in order to fully reduce theoccupied volume and maximise future allocation of waste.

Allocation of waste will be in 5 separate lots or sub-basins,to be filled in succession. Monitoring will be operated by theSurveillance and Control System, developed beforehand ac-cording to project requirements, with the purpose to moni-tor the main environmental parameters, air-water-soil andto avoid or reduce to a minimum, any possible impact thatthe landfill may cause to the surrounding environment.Once the allotment of the waste is completed, a network ofcollection wells for the collection of the produced biogas,will be implemented and connected to the already existingsystem for captation, combustion and production of electricenergy.

In conclusion, final capping and environmental restorationoperations will be implemented in order to close the site andbestow the appearance of a grassy flat terrain, reforestedwith native plants.

35

Placementof Leachate

Collection Systemon basin floor

DANECO IMPIANTI, since 1987, has been theconcessionaire for the Municipality of Pescantina (VR)for its MSW waste disposal landfill site.

The site is divided into 2 areas: the first basins 1-4remained active until 1999; the extension basins 5-8still have a 500.000 m3 residual capacity, even if wasteallocation has currently been suspended.

The site is designed for disposal of dry waste andwaste originating from residual waste of othertreatment plants of Municipalities belonging to theprovince of Verona.

The landfill was established on an ex-quarry site. Theextension, currently still not depleted, is set up inaccordance with Legislative Decree 36/2003.

At the landfill site, there is a leachate purificationsystem with a capacity of 100 m3/d (owned andoperated by a third party) and which is equippedwith a biogas captation system, consisting of 90 wellsand 3 generators with a total installed power of 2MW.

OWNER Municipality of PescantinaSITE Locality Filissine a Pescantina (VR)DISPOSED WASTE MSWNUMBER OF BASINS 8VOLUME 2.500.000 m3 Basins 1-4, 1.200.000 m3 Basins 5-8MANAGEMENT DANECO IMPIANTI

Sanitary Landfills

from up:

1 - Energy Recovery from Biogas plant2 - Biogas Regulation Station3 - Landfill Capping activities

Pescantina

The landfill

The landfill is equipped with a leachate captation net-work consisting of:

20 leachate collection wells;a drainage network on the floor of the basins.

The landfill is also equipped with a series of auxiliaryfacilities:

weighbridge length 18,00m and capacity 80 t; wheel and tire washing system with collection tank and sedimentation tank;leachate storage tanks with total capacity of 720 m3;biogas combustion torch 1500Nmc/h;wells for monitoring groundwater; weather/meteo station.

For operations of recovery and waste treatment:2 Waste Compactors; a Crawler Loader and a Wheeled Loader;dump Tucks;2 Excavators;service car;multi purpose vehicle.

Operational Procedures

The Operational Procedures are subdivided into fourmain activities:

pre-acceptance;acceptance and weighing; registration;verification of waste content;

Each activity involves a sequence of operations regulated andcoded.

Pre-acceptance

The preliminary phase to define the type of waste that is tobe processed, where pre-qualification of public or privateusers is executed and for which all other required proceduresare put into action during acceptance.

In this phase, the following activities take place:classification of incoming waste, including verification of the declaration of conformity of transported waste;dispatch to landfill for disposal of waste according to predefined Access to Landfill procedures for transporters;registration of all the pertinent information regarding the client (client name /convention, transporters, vehicle, type of waste).

Acceptance and weighing

Upon authorization the vehicles on arrival are subjected toformal documentation of the amount of waste to be de-posited, at the weighbridge station.

Control of disposed waste

Once the waste arrives at the unloading area, it undergoesa visual inspection by the assigned operator, in order to as-certain the corresponding quality with reference to the CERcode attributed to the client.

Registration

Any movement of the waste upon arrival or departure fromthe site, is registered on a dedicated form (stamped) in ac-cordance with the current local legislation. All information Iregistered using custom computer applications, which allowsthe collected information to be analysed and consulted ac-cording to various needs.

37

Panorama of theLandfill showing waste

al location

Mechanical - Biological Treatment (MBT) plants

DANECO IMPIANTI manages and operates highlyautomated plants for the selection, pre-treatmentand treatment of special-non hazardous waste andMunicipal Solid Waste. The plants employ the mostadvanced technologies available which are able toproduce RDF (fuel derived from waste) and compost,while recovering raw materials. DANECO IMPIANTIprides itself on the construction of the plant atBassano del Grappa, which is considered among themost innovative treatment plants in Europe today.The plant, in Italy, makes use of a unique technologyfor anaerobic treatment of Municipal Solid Waste(MSW) and Organic Fraction of Separately CollectedWaste, with the production of electric energy,compost and RDF.Furthermore, DANECO IMPIANTI has signed in 2009new contracts for the construction of a new MBTPlants in Puglia and Campania, for the selection andtreatment of Municipal Solid Waste.

Environmental safeguards

The various phases of waste treatment are defined inthe operational procedures which DANECO IMPIANTIhas consolidated over time and which are constantlyupdated by verification procedures and bymonitoring the process parameters of significantplants through various analytical surveys. The plantsare also equipped with modern systems for treatmentof the process air so as to eliminate any possibleunpleasant odours and reduce the dust particlesgenerated during treatment, as well as systems forthe management of the process waters.

DANECO IMPIANTI, from 2003, has been theconcessionaire for the Municipality of Giovinazzoregarding the treatment and disposal of MSW at thesite in Contrada S. Pietro Pago at Giovinazzo. This siteconsists of a landfill and a platform for themechanical and biological treatment of municipalwaste.

The landfill, made up of 4 basins, is currentlyundergoing restoration and remodelling of the finalprofiles while waiting for the start-up of the plant asdefined in the regional planning for the standardoperations phase.

The treatment plant consists of a series of mobileequipment, for the sized reduction and selection ofwaste and of 8 biocells for the biostabilizationthrough forced aeration of the screened material.

The shorts flow is routed to the landfill, whereas theSOF is used as daily covering material.

OWNER Municipality of Giovinazzo (BA)SITE Contrada S. Pietro Pago, GiovinazzoWASTE TREATED MSWNUMBER OF BASINS 4VOLUME 1.500.000 m3

PLANT MANAGEMENT presently managed by DANECO IMPIANTI

THE AUTOMATED WASTE TREATMENT PLANT

CONTRACTING BODY Municipality of Giovinazzo (BA)SITE Contrada S. Pietro Pago, GiovinazzoWASTE TREATED MSWCAPACITY 109.500T/y MSW + 65.700 t/y LBSEND PRODUCTS RSC (refined shorts for combustion, CRC: cured refined compost)VOLUME 351.000 m3 for the service landfillCONSTRUCTION AND CLOSURE COSTS 40.000.000 COMPLETION OF WORKS beginning of spring 2009 with expected duration of12 months for the plant and 7 for the landfillPLANT MANAGEMENT DANECO IMPIANTI for 16 years

Mechanical - BiologicalTreatment Plants

from up:

1 - Biotunnels for Waste stabilization2 - Biotunnels with fast opening doors

3 - Trommel Screening4 - Reinforced embankment

Giovinazzo

The automated waste treatment plant

DANECO IMPIANTI, according to tender protocol no.192, of09/04/2008 was awarded the contract for the supply underthe Public Service regulations, to design, build and managethe automated plant according to standard operational con-ditions. This was contracted by the Municipality of Giov-inazzo and published on 27 November 2006, by proxy of theConsortium of the municipalities that constitute basin BA/2.The supply includes a biostabilization line, mechanical selec-tion line, curing and refining line of the biostabilized mate-rial, as well as lot V of the landfill.

The new plant will be dedicated to the treatment of theMSW residuals from selected collection, with the productionof PSW and SOF, for an amount equal to approx. 300 t/d ofresidual MSW from SWC and for an amount equal to about180 t/d of LBS at the advanced Bari plant. The main plantsections are:

ACCEPTANCE AND WEIGH STATION

DELIVERY AND PRETREATMENT OF MSW

BIOSTABILIZATION

MECHANICAL SELECTION AND PSW PRODUCTION

LBS DELIVERY

CURING

REFINING

PSW STORAGE

Acceptance and weighing equipment

The trucks authorized for the delivery of the waste, on entryare subjected to formal verification and documentation, atthe weigh station. A portal for the monitoring of radioactiv-ity is provided.

Delivery and pretreatment of MSW

The delivery and pre-treatment of incoming waste, is carriedout inside a closed prefabricated building which is undernegative air pressure. The MSW is offloaded onto the groundon a special waterproofed floor, and then loaded by wheeledshovel into the shredder to be sent for biostabilization afterferrous separation.

Biostabilization

The biostabilization section is made up of 18 biocells, eachone dimensioned to contain an amount of material equal tothe daily waste delivery. In order to limit the spread of un-pleasant odours, each biocell is isolated from the others andfrom the handling corridor, by way of a sliding door. The feed-ing of the cells takes place automatically, by means of a con-veyor belt without operator assistance while the unloadingof the biocells is carried out by a wheeled shovel. Each sec-tion is equipped with forced aeration. The floor of the all ofthe biocells is built using Biomodule, technology, self-sup-porting modular elements equipped with diffusers, suited forthe realization of perforated flooring for air distribution. Theaeration of the material is made possible by using perforatedconcrete flooring to which the aeration pipes from the ven-tilators are connected. The same ventilators are used to suc-tion the air from the biocelle and then insufflating the samethrough the perforated flooring, thus obtaining recirculationof the air. The flooring of the Biomodule, is sloped so as tofacilitate the collection of leachate due to gravity.

Site Plan withBiostabilizationline and associatedLandfill

41

Mechanical selection and PSW porduction

Mechanical selection consists of a trommel that separatesthe stabilized waste into the shorts and the underscreen. Theshorts constituting primarily of the dry fraction fuel (PSW) tobe sent to the press and then for cross wrapping. The un-derscreen, on the other hand, consists mostly of the stabi-lized organic fraction, aggregates and glass, constituting thebiostabilized waste to be sent to the landfill (LBS), or for fur-ther curing.Both materials flows have magnetic separators to extract fer-rous waste, while the shorts have an additional eddy currentseparator in order to extract aluminium waste.

LBS delivery

A special area is designated for the reception of the LBS frac-tion from the Bari plant. The material is unloaded onto a wa-terproofed floor, moved by wheeled shovel and loaded intothe feeder plate in order to be sent for curing. Before thematerial reaches the curing area, ferrous metals are extract-ed by a magnetic separator.

Curing

The curing section consists of 2 adjacent prefabricated build-ings, inside of which there is an overhead crane which runsin a longitudinal direction turning and moving the processedmaterial as well as the SOF waste. During the curing process,the Biomodule system is employed, under which the bio-cells are connected to ventilators which inject forced airthrough the material.

Refining

The refining section functions through the use of a starscreener that separates small sized SOF from the PSW, whichis then directed to the press while the underscreen, whichmainly consists of organic materials and other aggregates, issent to the densimetric separator for the separation of glassand for final refining of the product.

Ventilation System

Environmental safeguards

Waste Air Treatment System

Each building is equipped with a dedicated widespread suc-tion system of the polluted air and which is then sent to thebiofilters for treatment. The air piping is located below theroof of both the biostabilization building as well as the cur-ing building. All work areas have a guaranteed number of airexchange rates equal to 2. The biofilters guarantee a 96%reduction in odour levels per volume of treated air.

Wastewater Management

The holding tank for the first 5mm of rainwater was appro-priately dimensioned while the remaining rainwater is sent toa series of underground tanks to be used as irrigation of theornamental greenery. The leachate is sent to the wastewatertreatment plant which allows the purified waters to bereused for industrial or fire-fighting purposes.

Noise control

The solutions implemented for noise control enable the lev-el of sound pressure to be limited to that of less than 87dBin the staff working area. The noise emissions levels in cor-respondence to the enclosed perimeter of the plant do notsurpass 65 db (A).

Environmental mitigation

For all the prefabricated buildings, only premium qualitystructural solutions have been adopted. For areas that willnot be subjected to construction of the buildings, landscap-ing is foreseen with the planting of olive trees, such as pres-ent in the area.

The service landfill

The landfill, situated in an ex disused quarry, is constructedin accordance with the Legislative Decree 36/2003, has beenexecuted with special waterproofing of the basin floor andsides. All the material extracted during the remodelling andreshaping of the quarry is reused in the construction site, foractivities relative to the construction of the substratum ofthe mechanical selection and biostabilization plant and forworks related to the internal road network.

The landfill has a leachate captation networkmade up of:

2 leachate collection wells;one drainage network on the basin floor;an underground recirculation tank.

The landfill is also equipped with a biogas captationplant, consisting of:

14 elevated wells;2 regulating stations;1 biogas extraction and energy recovery station, alreadyexisting on the site.

The landfills auxiliary works are:offices and weighbridge;a wastewater collection network;tank for the first rain water;wells for groundwater monitoring;fire fighting systems;weather stations;fuel storage.

The proposed project for closure of the landfill guarantees in-sulation of the basin, while taking into considerations thepredicted settling of the land.

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Biofilter

DANECO IMPIANTI from 2003, has been theconcessionaire for the Municipality of Andria,regarding the management of the landfill in S. NicolaLa Guardia, consisting of 2 basins and currently in theoperational phase.

THE AUTOMATED WASTETREATMENT PLANT

DANECO IMPIANTI according to regulation no.76057,of 02/10/2008 was awarded the contract for thesupply under the Public Service call for tender,published by the Municipality of Andria by proxy ofthe Consorzio ATO BA/1 for the design, constructionand management of the automated plant, consistingof a mechanical selection line and a biostabilizationline, with an adjacent service landfill, including theacquisition of the required surrounding terrain area.

OWNER Municipality of Andria (BT)SITE LOCATION San Nicola La Guardia - Andria (BT)WASTE TREATED MSWNUMBER OF BASINS 2VOLUME approx 1.100.000 m3

COMPLETION OF WORKS Construction, management and closure of Basinsongoing, post-closure for 30 years after closure.PLANT MANAGEMENT ongoing DANECO IMPIANTI

THE AUTOMATED SELECTIONAND BIOSTABILIZATION PLANT

CONTRACTING BODY Municipality of Andria (BT)SITE San Nicola La Guardia - Andria (BT)WASTE TREATED MSWCAPACITY 120.000 t/yEND PRODUCTS Shorts, LBS, CRCVOLUME 763.000 m3 for the service landfillCONSTRUCTION AND CLOSURE COSTS 24.300.000 COMPLETION OF WORKS expected in 2010 (duration of work expected 540 days)PLANT MANAGEMENT DANECO IMPIANTI for 17 years

Mechanical - BiologicalTreatment Plants

from up:

1 - Panorama of the Landfill 2 - Waste allotment

3 - Waste compaction

Andria

The plant

The plant is dimensioned to treat a maximum amount of ma-terial equal to approx 120.000t/y, equivalent to a daily flowon entry of about 328t. The treatment line is organized ac-cording to the following work sections.

ACCEPTANCE AND WEIGHING

DELIVERY AND PRETREATMENT OF MSW

BIOSTABILIZATION

MECHANICAL SELECTION AND PRODUCTION OF LBS / PSW

PRODUCTION OF DAILY COVERING MATERIAL

The trucks authorized for delivery of the waste, on entry aresubjected to formal weighing and certification, at the weigh-bridge station. Upon completion of this phase, the vehiclesdeposit the MSW inside of the reception section where amechanical shovel places the waste inside the shredder soas to open the bags for initial size reduction.The shredded material is then sent for aerobic stabilization.

The biostabilization section is made up of 16 open biocells,equipped with forced ventilation. Each biocelle is filled dailywith the delivered waste and is dimensioned to guarantee aprocess time lasting at least 18 days. The flooring of the cellsis built using Biomodule, technology, self-supporting pre-fabricated modular elements, equipped with diffusers andsuited for the realization of perforated flooring for air distri-bution. The flooring of the Biomodule, is sloped so as tofacilitate the collection of leachate due to gravity, which isthen placed in a specially designed storage tank. A dedicat-ed ventilation system is used for aeration of each biocell. Awheeled shovel guarantees movement of the waste.

Once this process is finished, the biostablized waste is ex-tracted from the biocells and placed in the mechanical se-lection section for further processing.

Site Plan of New Plant

45

1 ingresso reparto ricezione, biostabilizzazione e selezione meccanica

2 pesa a ponte3 lavaggio ruote4 palazzina uffici5 gruppi elettrogeni6 fossa settica tipo

Imhoff7 deposito bombole8 deposito oli

lubrificanti9 serbatoi gasolio

10 serbatoi stoccaggio percolati

11 parcheggi12 serbatoi acqua

industriale13 vasca di prima

pioggia14 bacino e stazione

di pompaggio acqua antincendio

15 serbatoi di stoccaggio acqua diseconda pioggia

16 ricezione RSU17 biostabilizzazione18 selezione

meccanica e stoccaggio RBD/FSC

19 reparto di produzione materiale di copertura giornaliera per discarica di servizio e soccorso

20 ingresso reparto di produzione materiale di copertura giornaliera per discarica di servizio e soccorso

21 cabina elettrica CE122 cabina elettrica CE323 biofiltro B124 biofiltro B225 impianto

trattamento percolati

26 vasca stoccaggio reflui trattati

27 impianto disoleatura

28 bacino e stazione dipompaggio acqua antincendioper reparto di produzione materiale di copertura giornaliera per discarica di servizio e soccorso

29 serbatoi di stoccaggio acque prima pioggia, seconda pioggia, percolati e acqua industriale

30 pozzo artesiano di alimentazione acqua industrialepozzo di monitoraggio e emungimento occasionale

The material is then placed inside the trommel, whichseparates the waste into 2 flows:

underscreen, consisting of the organic fraction and fine materials, called LBS;shorts, consisting mainly of dry material, subsequently to be sent to the material compaction area or to the cross wrapping line.

The LBS, upon extraction of ferrous wastes, is routed to thestorage area. The section designated for the production ofdaily covering material for landfills SOF is set up so as toallow for curing and subsequent refining of the LBS part soas to obtain a material the may be reused as landfill cover-ing material. Curing is a static process, whereas refining isfirst executed via a flip flow screener for the elimination ofnon combustible materials and then by a densimetric sepa-rator, for the screening of inerts and glass.

Environmental safeguards

Waste Air Treatment System

Adequate measures have been adopted to make surethat the following safeguards are maintained:

minimization of dust in the work areas;containment of unpleasant odours.

Inside the work areas, localized and diffused suction systemsare implemented. The fabric filters remove the dust from thelocally suctioned air, while the biofilters purify the air fromthe odorous compost compounds guaranteeing a 96% re-duction in odour levels per volume of treated air.

Wastewater Management

The management of wastewater is aimed at obtaining thebest water self sufficiency possible. The holding tank for thefirst 5mm of rainwater is dimensioned according to maxi-mum extraordinary measured values over a return period of50 yrs. The remaining rainwater is collected into specially de-signated above ground tanks, to be reused as industrial wa-ter. The surplus can be skimmed or used for irrigation.The leachate is sent to the wastewater treatment plant andwhich allows the purified waters to be reused for industrialpurposes.

Panorama of Quarry that willreplaced by new Landfill

BRH_daneco_GB:Layout 1 2-05-2011 13:15 Pagina 46

Noise emissions

The equipment used for waste processing have a low level ofnoise emissions. The level of noise emissions that correspondto the enclosed perimeter of the plant do not surpass 65db (A)

Environmental mitigation works

For all the prefabricated buildings, only premium qualitystructural solutions have been adopted. For areas that willnot be subjected to construction of the buildings, landsca-ping is foreseen with the planting of olive trees, such as al-ready present in the area.

The service landfill

The service landfill is situated in a ex disused quarry adjacentto the existing basins in accordance with the prescriptionsof Legislative Decree 36/2003, has been executed with spe-cial constructing techniques using distinct waterproofingpackages.

The leachate produced from the landfill is collectedthrough a specially constructed captation network,which consists of:

3 leachate collection wells;drainage network on the basin floor;storage tanks and pretreatment plant;

The biogas captation system is dimensioned for a maximum hourly extractable flow and is made up of:

14 elevated wells;27 drilled wells;4 regulation stations;1 biogas extraction and combustion station for energy recovery.

In addition, the landfill is equipped with a fire-fight-ing system, water drainage network and safeguardsfor monitoring the groundwater.

Upon final storage of waste materials and according to clo-sure procedures, which are executed so as to re-build theoriginal topographical profile, also the plants closure oper-ations are put in place, in accordance with Legislative De-cree 36/2003.

The following works will also be carried out in the closure phase:

completion of the drainage system for the collection of rainwater;completion of the biogas captation system;grassing.

47

CONTRACTING BODY Amministrazione Comunale di SalernoSITE Municipality of Salerno, Industrial zone

TREATED WASTE OFSWC and green fraction from SWCCAPACITY 30.000t/yPRODUCTS Electric Energy (3.900.000kWh/year), quality compostSTART DATE OF WORKS Spring 2009TOTAL INVESTMENT 17.000.000 ; 2 year managementThe contract for the construction and 2 year management of the Salerno plantfor Anaerobic Digestion, with energy recovery was awarded in March 2009 toATI Daneco Impianti, RCM Costruzioni Srl and Ros Roca SA.

Mechanical - BiologicalTreatment Plants

Salerno

Front view, Entry gate

It is an automated plant, designed for the treatmentof the green and organic fraction originating fromSWC, functional for the production of electric energyand quality compost:

The plant is also furnished with a limited pre-treatment of the OFSWC, consisting of a dehydrationpress that is capable of generating 2 flows, one ofliquids and one of more dense materials; to bedirected to the next phases of treatment:

aerobic Composting of the more dense material that has been dehydrated by the press;anaerobic Digestion of the resulting liquid waste that is generated by the press and which has a highorganic content, so as to obtain Biogas that is then used by the power generators, for the production of electric energy.

A fully integrated photovoltaic plant has beeninstalled on the buildings for a total capacity equal to515 kWp. The environmental contribution of theplant is the avoidance of the emission of 338.000 kilsper year or 150 tons/year of non oil combustion.

Description of the process

The plant consists of :

WEIGHING, DELIVERY AND STORAGE OF THE OFSWC

AND OF THE GREEN WASTE

MECHANICAL TREATMENT USING THE DEHYDRATION PRESS

OF THE OFSWC AND PREPARATION OF THE MIXTURE

FOR COMPOSTING IN BIOCELLS

BIOLOGICAL TREATMENT OF THE ORGANIC FRACTION IN BIOCELLS

ANAEROBIC DIGESTION AND ENERGY RECOVERY

CURING IN STABILIZATION AREA OF THE COMPOSTED FRACTION

FINAL STORAGE OF THE PRODUCT

The plant is also equipped with:fully Automated Control Room;electrical systems and transmission to the GSE network;service networks;wastewater collection networks;polluted Air Suction and Treatment System.

Delivery and weighing

The trucks authorized for delivery of the waste, on entry atthe plant are weighed by an automated weighbridge, of thetype used for above ground applications.

Riception

The delivery trucks during waste deposit never enter thewaste treatment building. All the waste is unloaded inside aspecial inner area fitted with double fast opening doors in or-

der to isolate the vehicles during the unloading phase, fromany possible odorous emissions. Internal movement takes place by way of a mechanical shov-el. An air suction and treatment system is provided. The stor-age area is slightly sloped to encourage collection of theleachate. The section is dimensioned in such a way that atthe end of the working day, all the waste on arrival has beenprocessed and there is no waste material left behind.

Pre-treatment and feeding

In this section the following is executed:the transfer of material by mechanical shovel from the reception area to the press units, where the dehydrated material is loaded into the mixer together with green waste, to be sent for aerobic treatment inside the Biocells;the supply of puree waste material for anaerobic digestion;the discharge of material from the tunnel after treatment for further mechanical selection.

Aerobic treatment

Upon screening, the moist underscreen fraction is subjectedto a static process in the Biocells for the stabilization of thematerial. The oxidation in the Biocells has some advantages:for example the bio-chemical reactions are faster and theprocess is particularly efficient and flexible.

The discharged material from the tunnel is then placed inthe first curing section, which has an aerated floor. Duringthe curing phase, the material completes the stabilizationprocess because of the decay of the organic substances. Up-on completion of the first curing phase, the material is sub-jected to a first screening using a 40mm sieve. All the shortsare sent to the landfill, while the underscreen is moved to

49

Top view with solar panels

DIGESTORE ANAEROBICO

BIOGAS

DIGESTATO

CHIARIFICATO

FANGODIGESTATO

VAGLIATURA 40 mm

VAGLIATURA 10 mm

INGRESSO VERDESTRUTTURANTE

SOPRAVAGLIODEPLASTIFICATOA RICIRCOLO

STOCCAGGIO

SOTTOVAGLIO

CENTRIFUGARECUPERO ENERGETICO

FLUSSO ORGANICO DISIDRATATOCOMPOSTAGGIO

PLATEA INSUFFLATA

MATURAZIONE 1 FASE

AMMENDANTECOMPOSTATODI QUALIT

MISCELATORE

MATURAZIONE 2 FASE

SPREMITURA INGRESSO FORSU

PUREA(FLUSSO ORGANICO LIQUIDO)

VASCA DISTOCCAGGIO

VASCA DISTOCCAGGIO PER

IRRORAZIONE

the second curing area for further maturation, withoutforced aeration. The compost is finally screened using a 10mm sieve, refinedand moved to the final storage area, where, after a total cy-cle of 180 days, it may be commercialized.

Anaerobic digestion

The anaerobic process is characterized as:continuous operation: daily feeding of the digesters ensures that the bacterial ecosystem is maintained at its highest level of efficiency without going through a start up phase;a high content of dry matter (from 20 to 35% based onthe material, at the moment of its introduction into the first digester) allows for high concentrations ofmicro-organisms to be obtained during the process. It also limits the quantity of water to be treated and reheated as well as the phenomena of sedimentation.continuous movement of the material;absence of chemical additives;flexibility in the process.

The flow of the Biogas is defined as:transfer of the biogas produced from the various stages (premixing-primary and secondary digesters);primary treatment;storage in the pressurized container;secondary treatment;transfer to the combined heat and energy station or, in case of emergency, to the combustion torch.

The Biogas is subjected to treatment, aimed at obtaining agas for optimum combustion in the combined heat andenergy station and reducing the environmental impact fromthe emissions into the atmosphere. The treatment consists ofthe following:

removal of the particulate matter;removal of the hydrogen sulfide;dehumidification.

Environmental safeguards

In order to reduce the unpleasant odours the followingis put in place:

aspiration of polluted air from inside the reception /pre-treatment buildings of OFSWC and directing the air to the scrubbers and biofilters;aspiration from inside the sludge treatment area and directing the air to the first curing basin;

aspiration from the first curing area and directing the air to the scrubber and then to the biofilters;aspiration from the second curing area and directing the air to the scrubber and biofilter.

In order to eliminate any possible risk of diffusion of un-pleasant odour emissions, no plant activity except for storageof the green waste takes place in the open areas.

Mitigation of the noise impact

Appropriate design decisions have been adopted for the re-duction of the noise levels in the work areas outside theplant. The measures are summarized as:

machines with limited speed of rotation were chosen;positioning on reinforced cement bases so as to limit possible vibrations. use of anti-vibrating support and flexible joints;soundproofing of the equipment;layering of floor composition to avoid induced noise from the ground vibrations.

Such measures are able to guarantee a maximum noise lev-el of 78dB (A) in the staff work areas. In accordance withthe current legislation, when implementing the plant layout,great attention has been taken so as to reduce the noise lev-els that may be generated external to the plant.

Plant wastewater

The wastewater to be treated originates from:leachate from the OFSWC reception building;wash water from various buildings; wastewater obtained during dehydration of the digested material;condensation from biogas;leachate from biostabilization;purged water from the scrubber;leachate from the biofilter;the first 5mm of rainwater;discharge from vehicle washing;cooling water and black water sewage.

All of the above wastewaters are collected into the storagebasin and which is made up of a series of fiberglass tanks,placed inside a waterproofed safety basin, for further treat-ment at the adjacent purification plant in accordance withLegislative Decree 152/06.

51

CONTRACTING BODY CASIC, Consorzio Areaper lo Sviluppo Industriale di CagliariSITE Municipality of Capoterra (CA), Locality: MacchiaredduWASTE TREATED MSW, OFSWC, green from SWC CAPACITYPRIMARY SELECTION 220.000 t/y MSWBIOSTABILIZATION 49.000 t/y OFMSW + 20.000 t/y OFSWC + 4.000t/y greenPRODUCTS SOF, quality compost, Ferrous MetalsCOMPLETION OF WORKS April 2007CONSTRUCTION COSTS 12.000.000 PLANT MANAGEMENT from April 2007 to June 2008assigned to DANECO, now to CASIC

Mechanical - BiologicalTreatment Plants

Cagliari

South side view

CASIC, Consortium Area for the IndustrialDevelopment of Cagliari, is the company which,through its subsidiary TecnoCASIC is in charge of themanagement of unselected municipal solid waste andwaste from SWC, throughout the entire catchmentarea of the Cagliari Consortium. CASIC has beenmanaging the waste-to-energy plant in Macchiareddufor several years, inside which there is the oldpreliminary selection line to be replaced, whereas thenew composting plant dedicated to the stabilizationof the wet fraction is located in an area in front ofthe existing platform. The plant was realizedfollowing the awarding of the call for tenderpublished in October 2002.

The composting plant

Once the vehicles have been weighed at the weighbridge,the delivery trucks can access the biostabilization plant. Thethree variable types of waste on entry are unloaded into sep-arate areas inside the waste reception building, in order toavoid mixing of the different materials.

Preliminary selection line

The preliminary selection line, positioned inside the waste-to-energy plant is composed of 2 parallel lines. The vehicles un-load the waste into the temporary storage pit, from whichthe waste is moved by an overhead Bridge Crane into the 2shredders.

Dedicated conveyors move the shredded material andload the disc screeners for subsequent separation ofthe waste into 2 flows:

shorts, upon ferrous extraction, consisting mainly of thedry fraction are sent to the waste-to-energy plant;underscreen, primarily consisting of the wet fraction, is transported to the nearby biostabilization plant.

The underscreen flow also undergoes ferrous extraction bya permanent magnetic belt before being sent to the loadingstation, where 2 press containers prepare the waste materi-al for transport to the nearby biostabilization plant. The to-tal capacity of each line is equal to 80t/h.

The preliminary selection line is equipped with localized as-piration so as to eliminate dust particles from the work en-vironment during the processing of the waste. In order toavoid polluting the local environment, the aspirated ex-hausted air, upon exiting the ventilators, is cleaned of dustparticles by a fabric filter which has a higher than 95% effi-ciency level.

Inserimento ambientale

Waste reception conveyor Plant Site integrated into

local environment

53

After delivery, the waste is unloaded onto the pavement soas to facilitate visual checks and cleaning.

The three types of waste are accumulated in separateareas and moved by a mechanical shovel:

the OFMSW is transferred by a plate conveyor into the biostabilization are;the wood cuttings are loaded into the chipper mill and from there sent to the mixer;the OFSWC is loaded into the shredder for a reduction of size, then passes under the magnetic belt for ferrous extraction and finally is sent to the trommel with a 80mmsieve that separates the material into 2 flows;the shorts fraction to be used as a fuel is compacted and sent to the waste-to-energy plant;the underscreen fraction, consisting of an organic matrix,is then transferred to the mixer where it is mixed with the incoming flow from the chipper and which is finally sent to composting.

The material to be sanitized is introduced inside a series ofphysically separated pits in ord