Metode til risikovurdering af gasproducerende ... - MiljÃ¸styrelsen

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Land International samarbejdspartner MiljøstyrelseCzechiet Aquatest Ministry of EnvironmentSlovakiet Aquatest Soil Science and Conservation Research InstituteRusland COWI Moscow The State Committee on Environ. ProtectionUkraineUkrainian Research Institute of Water Management &Ecological Problems-Georgia - Ministry of EnvironmentAzerbajan - State Committee on Ecology and Control of Nat. Res., U<strong>til</strong>izationBelarus - Ministry for EmergenciesArmenien - Ministry of Nature ProtectionMoldavien - Ministry of EnvironmentSlovenien - Ministry of the EnvironmentNature Protection AuthorityBosnien andHerzegovina- Federal Ministry of Physical Planning and EnvironmentInstitute for AgropedologyKroatien - State Directorate for the EnvironmentUngarnEdiCon – Environmental Diagnosis and PollutionControl ConsultantsMinistry for EnvironmentRomænien - Research and Engineering Institute for EnvironmentBulgarien - National Centre of EnvironmentIsrael - Ministry for EnvironmentHazardous Substances DivisionJapan - Soil and Agricultural Chemicals DivisionWater Quality BureauJapan Environment AgencyPhilippinerne COWI Philippines, Inc. -Indien MSG Environmental Services Pvt. Ltd. -Argentina Team Profesionales Asociados SRL -Syd AfrikaUSAKagiso COWIDevelopment Planning ConsultantsBen C. Gerwick, Inc.Consulting EngineersDepartment of Water Affairs and Forestry-Canada Buckland and Taylor Ltd. -Argentina - Comisión de Ecologia y Medio AmbienteProvincia de Buenos Aires/ArgentinaBrasilien - CETESBNew Zealand - Ministry for the EnvironmentSecretary for the EnvironmentPollution and Risk Management DirectorateAustralien - Department of Environment and Natural ResourcesOffice of the Environment Authority198
QUESTIONNAIRECompany (Public Authority):Name and position of person filling out the questionnaire:Email-address/phone no.:Future contact person:1) Have you or has your company been involved in landfill gas investigations and if so, withrespect to what?2) Do you have knowledge of accidents, e.g. explosions, caused by migrated landfill gas?Yes ❏No ❏IF YES2a) Please describe the accident:What kind of accident was it (e.g. fire, indoor/outdoor explosion, don’t know)?Where and when did it happen (city, state/country, date, don’t know)?What were the surroundings (e.g. type of landfill, buildings, vicinity (city or rural), don’tknow)?What was the consequence of the accident (loss of life, injure of people, damage ofproperty,don’t know)?(Please state where detailed information on the accident/incidence and the involved landfillcan be obtained (e.g. weather conditions, geology/hydrogeology, characteristics of thelandfill, landfill gas monitoring results, distance of building from landfill, details on the floorconstruction of thebuilding etc.))3) In Denmark a lot of old and closed landfills are being used for urban development such asindustrial estates or domestic housing. Do you have the same practice in your country?Yes ❏No ❏IF YES3a) Is landfill gas a concern with respect to land u<strong>til</strong>isation?4) Is landfill gas migration a subject of concern with respect to explosion risks in buildings locatednearby landfills?Yes ❏No ❏IF YES4a) Is it a subject of concern for ongoing landfills? Yes ❏ No ❏4b) Is it a subject of concern for closed landfills? Yes ❏ No ❏5) Is it common procedure to carry out risk assessment of landfill gas with respect to gas migrationinto nearby buildings?Yes ❏No ❏IF YES5a) Do you have standards or best practices for the risk assessment?6) Is it common procedure to carry out field investigations of landfill gas production?Yes ❏No ❏IF YES6a) Does your company or the authorities have best practices or standards for theinvestigations of landfill gas production?Yes ❏No ❏199
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Miljøprojekt Nr. 648 2001Teknologi
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IndholdINDHOLD 3FORORD 9SAMMENFATNI
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BILAGSFORTEGNELSEBilag 11 INDLEDNIN
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Bilag 51 INDLEDNINGDanske og udenla
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Sammenfatning og konklusionerIndled
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være begrænsning af gasindtrænge
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permanently injured. The collected
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1 IndledningDer findes i Danmark ca
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Der er i kapitel 4 foretaget en gen
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affaldets volumen blev mindsket. I
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I lossepladser, hvor der er en kraf
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lossepladsgas viser, at der stadig
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En lang række af de kendte gasulyk
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En årsag er en udgangshændelse, d
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3 Risikovurdering ved anvendelse af
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I topteksten anføres desuden dato
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Faserne I til III er så kortvarige
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de forhold hvor gasmigrationen ikke
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fysiske" regler for handlinger, f.e
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Tabel 3.10Fyldhøjden/højden af de
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at hvis halvdelen af revnerne i et
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Oftest vil man dog kunne anvende me
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3.5.3 Vurdering af sikkerhedDet for
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forståelsen af lossepladsen og der
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simpel ombygning anvendes til konti
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Bilag 1 Lossepladsgas1 IndledningLo
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2 Fysisk-kemisk karakteristika aflo
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22,00%20,00%Blandinger der ikke kan
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Tabel 2.2Koncentrationsgrænser for
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(uger/måneder). Under særlig forh
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anaerobe zone bliver dannet kuldiox
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småskala forsøg i laboratoriet, v
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Gasproduktion (Nm³/t * år)14,0012
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Fase VII Jordluftfase, I denne fase
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4.1.1 Diffusiv transportDiffusion s
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I porøse medier, hvor porernes dia
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4.2.2 Menneskeskabte gasmigrationsv
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gassen kan undslippe horisontalt. D
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I ovenstående analyse er der ikke
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Som det ses af figur 4.7,er der en
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4.2.5.2 NedbørNedbør kan have ind
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Figur 4.8Gasmigration i højpermeab
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atmosfærisk luft (21 % O2 og 79 %
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4.3.1 Stationære forholdPermeabili
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Ved risikovurderingen foretages en
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Tabel 4.6Metanfluxen (q) i forskell
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etragte en 2-dimensional model, hvo
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5 Indtrængning af gas i bygninger5
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TerrændækModelhuset, som er benyt
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dækket. Jordens gaspermeabilitet e
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hvor: L er den vejlængde trykket s
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5.1.2.3 Sammenligning mellem drivkr
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lavpermeabel top /1/. Dette overtry
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Atmosfærisk tryk[hPa]1025102010151
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lossepladsgas i jorden udenfor. Der
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RumventilationEt øget luftskifte (
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Tabel 5.2Volumenandel (i %) af bygn
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14/ Andersen, C.E., Koopmans, M. og
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Bilag 2 Undersøgelsesstrategi1 Ind
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2 OrienteringsfasenFørste led i en
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Første risikovurderingPå baggrund
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På baggrund af kortlægningen af l
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Opbygningen af målepunktet kan for
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Figur 3.2Hul fra slagsondeFordelen
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Figur 3.3Princip for indretning af
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foretages. Målingen foretages med
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tidsperiode (dage). Ved vurdering a
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Som beskrevet i bilag 1, afsnit 3 v
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eskrivelse af hvilke overvejelser,
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Bilag 3 Barrierediagrammer1 Barrier
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"ELLER""OG"ÅrsagÅrsag1 1ÅrsagÅr
Page 146 and 147: 1.4.2 PointsystemTil pointgivningen
Page 148 and 149: Barriere 1Årsag Konsekvens Σ = 61
Page 150 and 151: pr. år kan et FAR-tal på 5,5 omre
Page 152 and 153: 2 Generelle barrierediagrammer2.1 I
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Page 156 and 157: 3 Eksempler på anvendelse3.1 Indle
Page 158 and 159: Lokale i stueplan i erhvervsbyggeri
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Page 162 and 163: 3.3 Krybekælder under erhvervsloka
Page 164 and 165: 3.4 Krybekælder under erhvervsloka
Page 166 and 167: dog 15,5 point for såvel håndvær
Page 168 and 169: RisikovurderingDer opnås derfor i
Page 170 and 171: 3.7 Bolig placeret uden for stor lo
Page 172 and 173: Da fyldhøjden i lossepladsen er 16
Page 174 and 175: 3.8 Gravearbejde på losseplads (3A
Page 176 and 177: 3.9 Reparationsarbejde i brønd på
Page 178 and 179: Bilag 4 Resume af forprojektet1 Ind
Page 180 and 181: 3 Gaslossepladser i Danmark,statusD
Page 182 and 183: 5 RisikovurderingDet er anført, at
Page 184 and 185: Transporten fra jord til hus gennem
Page 186 and 187: 6 Risikoanalytiske forholdI forbind
Page 188 and 189: 2 Danske erfaringerI 1993 udarbejde
Page 190 and 191: Uddybende data for ulykken:Har amte
Page 192 and 193: Et enkelt amt foreslog, at arbejdst
Page 194 and 195: 3 Udenlandske erfaringerUdenlandske
Page 198 and 199: 7) Is it common procedure to collec
Page 200 and 201: Land og stedÅrstalAfstandtil LPHæ
Page 202 and 203: Som det fremgår af tabel 3.2, find
Page 204 and 205: Operational Practice). Fra Australi
Page 206 and 207: Quebecs gældende regelsæt er fra
Page 208 and 209: hvilket har betydet, at store volum
Page 210 and 211: Vegetations skaderAndre ulykkerEt s
Page 212 and 213: 5.2 Kategorisering af skadetyperKon
Page 214 and 215: 6 Referencer/1/ Gas I danske lossep
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Metode til risikovurdering af gasproducerende ... - MiljÃ¸styrelsen

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