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themagazineforourengineersandarchitects

July20�2

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www.dorsch.de

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Contents

Contents

GroupNews 4

InBrief 7

DorschTopics:

StudyTripoftheHydraulicEngineeringTeam

toEibachLock 8

LandmarkProject:

TheUrbanExpresswayA�00inBerlin �0

ReportsoftheCompanies �4

InBrief �9

facebookandtwitter 24

Imprint 25

ConferenceroomsatDorschHoldingpremisesinOffenbach,Germany

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Group News

Dorsch International

Dorsch International at the 2nd Turkish German Water Partnership Day in Istanbul

OnApril�7thand�8thDorschInternationaltookpartinthe2ndTurkishGermanWaterPartnershipDayinIstanbul.

Atthisconference2�0economyandpoliticsexpertsdiscussedcurrentchallengesandmarketpotentialsinthemunicipalandindustrialwaterindustryinTurkey.

Alongsidethecompanies‘andministries‘experts,numerousrepresentativesoftheuniversitiesandtheassociations,ofthefinancialbranchaswellasofwatersupplycompaniestookpartinthisspecialisedexchangeofknow-howwhichhadbeenorganisedbytheTurkishMinistryofEnvironmentandTownPlanning,theTurkishCityandCommunitiesAssociationandtheGermanWaterPartnership.

InthecourseoftheworkshopaboutwaterlossesAlexanderGoertzpresentedtheexperienceDorschInternationalhasgainedduringnumerousinternationalwaterlossreductionprojects.

Holding

Just Released: Third Edition of the Arab-German Yearbook 2012

IncooperationwithDorschGruppe,theGhorfaArab-GermanChamberofCommerceandIndustryhaspub-lishedthethirdissueoftheArab-Ger-manYearbook20�2“ConstructionandConsulting“.

Theprintedissuewasintroducedatthe�5thGermanArabianEco-nomicForumonJune��th,20�2inBerlintoawideaudience.TheyearbookpresentsthewholerangeofArab-Germanconstructionandconsultingprojects:Fromshoppingcentres,bridges,sewagetreatmentplantsandlandscapearchitecturetoentireurbanplanningconceptsorinfrastructureprojectsintheareaofrailwayconstruction.DorschGruppehadthehonourtocontributetwoin-terestingpublications:„DevelopmentCooperationfortheImprovementoftheWaterSupplyinAleppo“ofourcolleaguesStephanKuglerandKeithRobertsofDIAmman,aswellasthearticleofDCAbuDhabi„LandscapeArchitectureProjectsinKuwait“ofthecolleaguesKhaledAbbasandHanyAwadLabib.

Furtherinformationonwww.ghorfa.de

DorschGruppehasbeenworkinginTurkeyforover�0years.Thepastprojectshavecomprisedengineeringinthefieldsofwatersupply,wastewater,civilengineeringandairports.

BecauseofitsdynamicdevelopmentandtheintensiveenvironmentalprojectsfortheEuropeanUnionadmissionpreparations,Turkeywillremainaninterestingmarket.

AlexanderGoertz,headofinternationalcooperationdivisionofDI,meetingDr.FrankWolcke,GeneralManagerWater/

EnvironmentatDornierConsulting,attheGWPDayinIstanbul(Sourceforbothphotos:GermanWaterPartnership)

A.GoertzpresentingtheactivitiesofDIinTurkey(GWP)

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andonepaperonenergyefficiencyinwatersupplytitled“ImprovementofEnergyEfficiency(IEE)–AHolisticApproachtoImprovingtheEnergyFootprintofWater“.

SpeechesonthesetopicsweregivenbyStephanKugler,theTechnicalDirectoroftheDorschInternationalRegionalOfficeAmmanandMariaScheday,aseniorwaterengineerwithlonglastingregionalwatersectorexperience.

Presentingourintegratedsolutionsfortheoperationsmanagementforwaterandwastewaterutilitiesandin-depthexperienceinimprovingtheenergyefficiencyinwatersupply,DorschInternationaltookthechancetocontributetotheexpertdiscussionwithtwowell-testedbestpracticeapproachesthathelptosustainablyimprovetheperformanceofwaterutilities.

BeingaplatformforutilitymanagerstheACWUAconferencegaveDorschInternationaltheopportunitytomeetcurrentandpotentialutilityclientsandpartnersfromtheArabregionandexchangeinformationandexperience.

Airport Khartoum – Lecture at the Geotechnical Engineers’ Circle

HeinrichSauer,DIexpertforgeo-technics,gavealectureon“thenewairportKhartoum/Sudan–geotechni-calandhydro-geologicalchallenges”inthegeotechnicalengineers’circleattheMunichTechnicalCollege(FHMünchen)onMay�4th20�2.

Thegeotechnicalengineers’circlehasexistedinMunichsince�972.ItisacommonopenlecturingeventoftheMunichTechnicalCollege,theTechni-calUniversityofMunichandtheBun-deswehrUniversityofMunich,whichisaddressedtogeotechnicalengi-neersingovernmentalinstitutionsandtheprivatesector,tostudentsandtootherwiseinterestedlisteners.Duringthewinterandsummersemester2to�lecturesrespectivelyaregiven,followedbydiscussionsaboutsoilmechanics,foundationengineering,rockbuilding,waterengineering,geologicalengineer-ing,andenvironmenttechnologies.Sometimestheselecturesarecom-pletedbytrips.HeinrichSauerhadalreadylecturedinthegeotechnicalengineers’circleintheyear�997.Backthen,histopichadbeenthefoundingoftheCentrOonaformersteelworkssiteinOberhausen.

Dorsch International Amman

Participation at the ACWUA 5th Best Practices Conference in Muscat on Utilities’ Perspective on Water Resource Management

InMuscat,thecapitaloftheSultanateofOman,the5thBestPracticesConferenceofACWUAtookplacefromJune�rdtillJune5th.

Asaregionalcentreofexcellence,theArabCountriesWaterUtilitiesAssociation(ACWUA)partnerswithwatersupplyandwastewaterutilitiesinArabcountriestoprovidebestpracticeservicedeliverytotheirmembers.

TheBestPractiseConferencesofACWUAareaplatformforexchangeofknowledgeandbestpracticeamongstmemberexpertsandprofessionals.

DorschInternational,amemberofACWUAandGermanWaterPartnership(GWP),contributedtotheconferencethemewithtwopapers.

Onepaperonaccountabilityandtransparencyinthewatersectortitled“TheFunctionofManagementInformationSystemsfortheAccountabilityofWaterUtilities”

GeotechnicalinvestgationsinthedesertnearKhartoum

TheACWUAConferenceinMuscatranksamongthemostimportanteventsofthewaterengineeringsectorinMiddleEast

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Tunesian Water Supplier SONEDE Delegation Travels to Germany

InJulywewelcomedadelegationoftheTunesianWaterSupplierSONEDEinGermany.SinceAprilDIhastrainedtechniciansandengineersofSONEDEtoconductenergyauditsatpumpstations.

InthecourseofthisGIZassignedprojectwehaverecentlybeenabletoshowoutstandingexamplesofenergyrecoveryintheEnBWwatersupplysysteminStuttgartandtheBodenseewatersupplytoagroupoffiveengineers.WealsovisitedthepartnercompaniesKSBandVAG,whichoperateinthesamesector.Ahighlightofthelastdayofthetripwasthepowergenerationbyrenew-ableenergyintheHohenlohe.

OurTunesianguestswereespeciallyinterestedinadiscussionwiththeDImanagementabouttheirexpertknowledgeoffinancingoptionsandmechanismsforenergyefficiencyprojects.

AprobablecooperationoftheDIandtheTunesianaffiliateSONEDE-Inter-nationalmightofferthechangeforotherDICactivitiesinthefrancoph-oneregion.

BDC Berlin

“Build a Team“ in Brandenburg

Aswehaveincreasinglyextensivetasksextendingacrosslocationsandmoreandmoreresponsibilities,ouramountofworkalsoincreases,andthustheimportanceoffunctioningteamsalsodoes.

TheprojectmanagerandtheassistantsonMondaymorning,threetechnicaldraftsmenintheiroffice,fivestaffmembersinaprojectmeeting,thedepartmentheadstogetherandwiththeirstaff,projectmanagerXfromAwithcolleaguesBandC…aretheyteamsperse?Ormoreprecise:functioningteams?

ThesequestionsledtheBDCstaffmemberstoateambuildingtrainingbyyuiiBusinessTrainingattheMotzenerSeeinBrandenburginJune20�2.

Foradaytheyworkedandtrainedtogetherbydoingimprovisationexercisesfromtheworldofimprovisationtheatre.

Themaintargetwastoshowandremindthestaffmembersofdifferentranksinthecompanythatworkingandbeingsuccessfultogetherisfun.

‘Remind’because–thetrainingprovedthat–weactuallyalreadyhavereallygoodteamplayers.

Ingames,exercisesandlittleconversationstheytreatedcurrenteverydayofficeissues:positiveattitudetowardsnewandunforeseentasks,solutionorientedinsteadofproblemorientedthinking,attentionandmindfulness,beingresponsible,butalsodelegatingresponsibilitiesanddividingtasksjustly,improvementofgeneralcommunicationskills,arousingnewcreativityandhungerforinnovationintheteamandfinallygettingtoknowtheircolleaguesbetterinanewwayandinarelaxedatmosphere.

ThefinaleventwasasmallarcherycompetitiononthelakesideoftheMotzenerSee.

Thatpartoftheeventwasalsosuccessful–alltheparticipantscamebackunhurt.Theparticipantsagreedondoingmoretrainingeventslikethatregularlyandondifferentissues.

TheTunesiandelegationoffivewithMrdeBeyer(attheveryleft),Dr.VestnerandDr.Nicolet-Misslbeck

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Happy Birthday, Mr. Gütschow!

ThestaffoftheBerlinBDCheadquarters,representativesofthesubsidiariesandregionaloffices,representativesoftheDorschaffiliatesandcompanionsformanyyearsmadeagreatbirthdaypartyonourCEOBerndGütschow’s�0thbirthdayonJuly7th20�2.

AmongthefelicitorswerehisantecessorandfounderofthecompanyManfredE.B.Süß,JürgenRöder,CEOoftheDorschHoldingcompanyandAndreasRienecker,CEOofDorschInternationalConsultantsGmbH,whocongratulatingalsoexpresslyprizedMr.Gütschow’sandhisstaff’smerits.

Mr.GütschowhasbeenBDC’sCEOforalmostexactlytenyears(sinceJuly�st2002).

Then,withnearly40staffmembersinBerlinandFrankfurt(Oder)–now,withapprox.85staffmembersintenheadquartersinfivefederalstates.

WethankMr.BerndGütschowfortenyearsoftrustyandpleasingcooperationandwishhimthemotivationtogivehisallinordertocontinueboostingtheBDCtogetherwithhisnumerousandcommittedstaffmembersandpreparingourcompanyforthedemandsofthefuturenationalandinternationalmarkets.

Mr.SchleuseneraddressinghisspeechandBDC’scongratulationstoBerndGütschow

In Brief

BDC Berlin: Federal Construction Award Mecklenburg-West Pomerania for BDC Manager Rolf Schmidt

TheCham-berofEngineersofMecklen-burg-WestPomeraniahasap-pointedDipl.-Ing.RolfSchmidt,authorizedofficer,headoftheMecklenburg-WestPomeranianofficeofBDCandmemberoftheexecutiveboardoftheChamberofEngineersMecklenburg-WestPomeraniaexpertjudgeforthefederalconstructionprizeMecklenburg-WestPomerania.

AsaprojectmanagerofmanyconstructionprojectsMr.Schmidthashadhismainfocusespeciallyonobjectsupervisionandcoordinationoflargeconstructionsitesandprojectteams.AmongthemostfamousofhisprojectsarethedesignandconstructionofthefixWarnocrossing,theconstructionoftheIGA200�inRostockandthePeenecrossingnearJarmeninthecourseoftheA20project.Recently,thebranchinMecklenburg-WestPomeraniahasevolvedunderMr.Schmidt‘sleadershipfroma5staffmembersofficein2005toacapableandadmiredbranch.Today,theBDCconstructionmanagementdivisionhas40employeesat7locationsservingclientsbetweenHamburgandStralsund.

Moreinformationontheawardcanbeobtainedhere:www.landesbaupreis-mv.de.

BDCmanagerRolfSchmidt

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Study Trip of the Hydraulic Engineering Team to Eibach Lock Including Inspection of a Subter-ranean Water Course System

by Maximilian Krug, Head of Water and Environment Division, Dorsch International

InApril,thehydraulicengineeringteamoftheWaterandEnvironmentdivisiontooktheopportunitytoinspectalockinawayevenawaterengineer,whosedailyworkistheplanningoflocks,considerssomethingspecial.

TheoccasiontookplacewhentheMain-Danube-ChannelwasclosedforwatertraffictothelockfromApril�0thtillMay�stinordertoexecuterepairandmaintenanceworks.

AswehaveverygoodconnectionstotheWaterandShipTransportAuthorityNuremberg,forwho

wehavebeensolvingdifficultengineeringproblems,wewerequicklyabletoagreeonApril24thasthedateofourinspection.WeagreedtoseetheEibachlockand,farernorth,theHausenlock.

Asthetrafficforshipswasclosed,theytookthechancetoexchangethehugeaftgateoftheEibachlock.Accordingtotheshiptrafficblockingschedulethelastpartoftheaftgatewastobeinstalledonthedayofourtrip.

ThesavinglockEibachwasbuiltastheMain-Danube-Channel’s8thlockonkm72.8onitsnorthrampfrom�972till�97�.

TheMain-Danube-Channelisacorepartofthetrans-Europeanwatertrafficnetwork.Havingaliftheightof�9.49m,theEibachlocklinkstheNurembergreachwiththeEibachreach.

AstheBamberglockhadaneventofdamageinMarch2004,allthelockshavebeenchecked.

Thus,otherlocksalsorequiredrepairinginordertosustainablyguaranteethebearingcapacityoftheirlocktransversalsections.

TheEibachlockshowedseveresafetydeficits,althoughthedeformationcontrolsatthebeginningof2005didnotindicateadirectstructuraldamage.

However,themaincauseisnotanexceedingfatigueloadeither,asinthefirsteventofdamage,whichwouldleadtoaninstantaneousmalfunction.

Infact,thecauseisexcessivestressbecauseofradialandshearingforces.Therefore,inAugust200�DorschConsult,aspartofaplanningcorporation,wasassignedthe

Dorsch Topics

At24thofAprilEibachlockwasfilledwithDorschemployeesinsteadofwaterandships,whichwerewidelyrecognizablebytheirbootsinDorschcorporatedesign.

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extensivemaintenanceoftheEasternchamberwall,asbeforewiththeBamberglock.

Theworksweresuccessfullyexecutedfrom2008till2009.Thus,theteamalreadyknewthelockverywell.

Additionallytotheexchangeoftheaftgate,whichisaspecialoccasionforitself,weevenhadthechancetoinspectthecomplexfillinganddrainingsystemandthereforetoglimpsethehydraulicinnerlifeofthelock.

Thedistributionsystemunderthebottomofthelockchamberwasdrainedforcleaningsothatwecouldwalkinsidewhichwasreallythehighlightofthetrip.

Ofcourse,thewaterengineeringteamhadseenmanylockplantsastheyhaveplannedalotofthem,buttheyhadneverbeforebeeninsideasubterraneanwatercoursesystem.

Havingseenthis,wecontinuedtotheHausenlock,wherewecouldwatch-apartfromtheusualmaintenanceworks-thestaticimprovementoftheconcretegirderbetweentheaxialcanalandthedrainingsection.

Inaddition,wecouldenterthedraincanal,whichischaracteristicforthelocksoftheMain-Danube-Channelofthatera.

Wefulfilledourtargetoflookingatthoselockswehaveplannedfromaspecialperspective.

Thistripwasespeciallyinstructiveforthedesignersandtechniciansbecausethetruedimensionofabuildingstructureisonlyreallytangibleonsite.

Oncemore,wehaverealizedtheimportanceofgoodrelationshipstoourclients.

TheauthorizedconstructionrepresentativesoftheWaterand

ShipTransportAuthorityspentalotoftimewithusandtheclienthasrecognisedourtripasameansofmaintainingourhighqualitystandards.

TheDorschInternationalcolleaguesattheirsiteinspectionofthesubterraneanwatercoursesystememptiedforcleansingpurposes

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Urban Expressway A 100 in Berlin

by Olaf Hähnel and Peter Schulz, BDC Berlin

Inthesummerof2009theNationalRoadsAuthority(Bundesstrassenverwaltung),representedbythesenateofficefortowndevelopmentBerlin,tenderedtheconstructionsupervisionandtheconstructionmanagementoftheurbanexpresswayA�00‘spartlyextensionfromthemotorwayinterchangeCharlottenburgtotheSeestrasse.

AsaresultofthetenderingprocedureforfreelanceandprofessionalservicestheconstructionmanagementsectionoftheBDCwasassignedthetenderedservicesinDecember2009.

Urban expressway A 100 – Location and History

AscoresectionoftheformerWestBerlinhighwaynetwork,thesectionfromthejunctionSeestrassetothejunctionJakob-Kaiser-Platzwasputintooperationin�97�.In�979thesectionfromthejunctionJakob-KaiserplatztothemotorwayinterchangeCharlottenburgfollowed.

TheexpresswayA�00extendssouthwestfromtheurbandistrictMitteoverCharlottenburg-WilmersdorftoTempelhof-Schöneberg.Theoriginalconceptofacompleteringhighwayhasbeengivenupinthemeantime.Theendofthehighwayinthenortheastleadsdirectlyintoanintra-urbanroad.FurtherextensionsbeginningatthemotorwayinterchangeNeuköllninthesoutheastarestillintheplanningstage.

AstheBerlinS-Bahn(metropolitantrain)waspartoftheformerDDR(GermanDemocraticRepublic)nationalrailwaycompany,aparallelbuslinewasinstalledonthewesternsidewithstopsinthehighwayareaasastrategictransportalternative.ThishighwaysectionisalsoveryimportantforthetrafficlinktothewesternportandthecentralmarketintheareaofthejunctionBeusselstrasse.

Scope of services – partly new construction

Theextensionofthesectionmadeupapprox.2.8km.Inthissectionoftheroadwehavecompletelyexchangedthecarriagewaystructure,theexistingtrafficsignbridgeshavebeenremovedandsubstitutedbynewsteelconstructions,partlywithborepillfootings.

Landmark Project

TwoBDCprojectscloselyspaced:constructionsiteofurbanexpresswayA�00andtheWestharbourchannel

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Newprotectionutilities,newmarkingsandsignallingwerealsoincludedintheproject.

AtthesametimetheBerlinWaterCompaniesbuiltanewpressuremainDN�000directlyalongsidetheshoulderlaneonthenorthernsideonapprox.�,�00m.

OntheEasternfringeoftheconstructionsite,theHermann-MaasbridgeandtheparallelSpannrathbridge,twomulti-laneengineeringstructures,havebeenrepairedbymeansofalinkingchannel

fromtheWesthafenkanaltotheHohenzollernkanal.

NextistheBeusselstrassejunctionwithtwoaccelerationanddecelerationrampseach.Weexchangedtheasphalting,thedraining,theprotectionutilitiesandthereinforcedconcreteheadboardsontheseengineeringstructures.

TheBeusselseestrasse’scrossingstructureovertheexpresswayA�00,theGoerdeler-Dammbridgehasalsobeenrepaired.IntheWest,onthejunctionJakob-Kaiser-Platz,thecoiledrampshavebeenreplacedby

newones.OntheWesternfringeoftheconstructionsite,betweentheJakob-Kaiser-PlatzjunctionandthemotorwayinterchangeCharlottenburg,theTegeler-Wegbridgeislocated.

Itisanapprox.5�0mlongstructure,separatedintoaNorthernandaSouthernsuperstructurewith�lanesandashoulderrespectively.

Theprojectservicescomprisedthecompletelynewconstructionofthecarriageway,includingthesealingandtherenewalofthecappingwithprotectionutilitiesandthe

DuringtheextensivereconstructionandrepairworksaturbanexpresswayA�00anuninterruptedtrafficflowwasensuredanytimebysuitablemeasures

The5�0mlong�-laneTegeler-Wegbridgehadtobereconstructed

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demolitionoftwostaircasesoftheformerbusstations.

Onthebottomsideandinsidetheprestressedconcreteboxgirdersweexecutedextensivemaintenanceworks.Theroadlightingwasnewlyconstructedonthewholesection.

Construction period

TheconstructionworksbeganinOctober2009,evenbeforethecon-structionsupervisionwasassigned.

Contract execution

Theclienthadbuiltaconstructionsiteofficeatourdisposal.ItwastechnicallyequippedbyBDCwithadecentralizedserverandfivecarrelswerecreated.

Fortheconstructionsite-concernedcommunicationweimplementedaspeciale-mailaddress.Weassignedtheresponsibilitiesintheon-siteofficeteamaccordingtotheseveraltenderpackagesoftheclient.

Thedifferentconstructionperiodsofthesinglecontractsrequiredaflexiblepresenceoftheon-site-officestaffconsistingofthreetofivestaffmembersledbyMr.PeterSchulz.Incontrasttothenormalprocedure,weseparatedthehandlingoftheaccountingdocumentsandthecontrollingofthecontractorbills.

Whereasonestaffmemberworkedonthequantitiesofhis/herpackage,anotheronecontrolledthenumbersonthebasisofthepapers.

Controlling,attributiontotherespectivecostunitsofthecompleteproject(upto�0part-calculationsfor�packages)andfilingofalltheprojectdocumentswereunderoneperson‘sresponsibility.

Thescopeofservicescomprisedthecompleteaddenda,assessmentoftheas-builtdrawingsandplansoftheengineeringstructuresandoftheworkoftheappointedagentinthehazardouswastedisposal(ZEDAL)andalsoourcooperationconcerningPublicRelationsmatters.

Client

Becauseofthecomplextasksintheentireprojectnumerousspecialisedsectionsofthesenateofficecooperatedintheproject.

Therefore,wehadtocoordinatethedepartmentsforRoadsandEngineering,forRoad

AftertwohardwintersandvariousproblemsconcerningthemaintenanceworksontheTegeler-Wegbridge,thetrafficwasopenedontwolanesineachdirectioninDecember20��.

Finally,theworkontheA�00willpresumablybefinishedinJune20�2.ThesignallingbridgesonthesectionoftheA�00havebeencompletelyrebuilt,whereasthethreesignallingbridgesonthemotorwayA���,whicharealsopartoftheproject,willatleasttaketillSeptember20�2.

PavementdesignatA�00motorwayinterchangeNeukölln

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Urban expressway A 100 – project history at BDC

ThisconstructionprojectispartofnumerousconstructionsupervisionandmanagementprojectsofBDConthefederalhighwayintheurbanareasofBerlin.

Forinstance,wealsohadthenewconstructionofresp.4-laneroadtunnelsforthe�4.sectionlot�from�995till�999andthe�4.sectionlot4oftheurbanexpresswayA�00from�997till2004.

From�999till2002the�5.sectionoftheA�00wasbuiltasdamstructureandfrom2000till2002thejunctionHohenzollerndammbridgewassubstituted.

Alittlelater,thewholemotorwayinterchangeNeuköllnwascompletelyrebuilt.

ThenewconstructionofthemotorwayA���withitstwotunnels(900mand�00m)anditstroughtrack(970m)tookplacefrom2004till2008.

In2008wehadtheroadgripimprovedon��sectionsoftheA�00,theA�0�andtheA���.

andBridgeMaintenance,forTechnicalEquipment,forRoadandEngineeringPlannings,theresponsibleagencyinchargeofturnpikemaintenanceandtheauthoritiesforCivilandUndergroundEngineering.

Thecooperationwithourclientwascharacterisedbyshortcommunicationchannelsandbytarget-orientedandquicksolvingofupcomingproblems.

Theclient‘sreferencepapersnowathandtestifytheexcellentworkoftheBDCon-siteteam.

Wewillemployournewlygainedknow-howconcerningtheexecutionofthecompleteworks,especiallythebridgemaintenanceworks,maintainingthetrafficflowinourfutureprojects.

VitreousnoiseprotectionwallsatmotorwayinterchangeNeukölln

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Dorsch Qatar / Holding

Signing of Precontract for Mega Urban Project Lusail City in Qatar

OntheirwebsitetheLusailRealEstateDevelopmentCompany(LREDC)hasconfirmedthatDorschGruppehasbeenassignedtheconstructionsupervisionservicesintheprojectLusailCity.Thus,DorschGruppewillberesponsiblefor��multidisciplinaryengineeringservicepackagesintotal.

TheprecontractwassignedonMarch28th.AttendeesweretheCEOoftheLusailRealEstateDevelopmentCompany,Mr.EssaMohammedAliKaldari,thepresidentandshareholderofDorschGruppe,Mr.OlafHoffmann,theCEOofDCAbuDhabi,Mr.AymanHaikalandseveralhighrankingrepresentativesoftheclient.TheLREDCassignedDorschGruppetheprojectafteradetailedevaluationandselectionprocess,inwhichseveralinternationalcompetitorsoftheconsultancysectortookpart.

DorschGruppewaschosenbecauseitisrenownedforitstimelyperformanceanditshighqualityconsultancy.

IntheagreementannouncementEssaKaldariexplained:

“AwardingthisprestigiousanduniqueprojecttoDorschGruppeSupervisionConsultantServiceswasdoneaftercarefulconsiderationandevaluationoftheproject’sneedforaconsultantcommittedtothesuccessfulandtimelydeliveryofthecontract.

ConsideringthesignificanceofLusailCityandthescaleofworkrequired,wefoundDorschGruppetobeasuitablepartnerforLREDC.”

Mr.Hoffmannconfirmedtheengagementofthecompanyinoneoftheprojectsofouragestatingthat:

“First-classtechnicalsolutions,consistencyofcostsandadherencetoscheduleshavealwaysbeenourgoalfortheplanningandimplementationofeveryoneofourconstructionprojects.Wewillsupervisetheprojectlocallywithouron-siteexpertsfromourDohaoffice.

ThispartnershiprepresentsanopportunitytoexpandourexpertiseinQatar,aswecontinueourworkinlinewithQatar’sNationalVision20�0.”

Forfurtherinformation,pleaseproceedtotheLREDCwebsite:www.lusail.com

AerialviewofDoha’scityextensionprojectLusailCityinQatar(source:©HochtiefViCon)

Reports of the Companies

ShareholderOlafHoffmannatthesigningceremonywithEng.EssaMohammedAliKaldari,CEOofLREDC,accompanied

byfurtherhighrankingrepresentativesoftheclient(source:©LusailRealEstateDevelopmentCompanyLtd.)

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Themainobjectiveofthisassignmentistoachievehighqualityconstructionworkstobecarriedoutinfullcomplianceofapproveddesign,specificationsandotherstipulationsoftheEPC(Engineering,ProcurementandConstruction)contractdocumentswithinthespecifiedtimedemonstratingtheefficiencyofsupervisionbyExternalagency.

DC India

Project Management Services for EPC of Mahatma Mandir Convention Center, Gujarat

TheclientIndustrialExtensionBureau(iNDEXTb)hasawardedthecontractofprovidingProjectManagementConsultancyServicesfor“EPCofMahatmaMandirConventionCenterPhase�B”toDorschConsult(India)Pvt.Ltd.

DCIndiahascommencedtheirservicesfrom7thMay20�2andisprovidingservicesofdaytodaysupervision,coordination,qualityassuranceandprojectmonitoring.

TheprojectcomponentsincludeFoodCourt,InfotainmentCenter,PhotoGallery,OfficeArea,PublicArea,andCentralPlaza.TotalBuiltupAreais27,57�sqm.

TheConventionCenterhascolumnfreeairconditionedhalls,suitablefororganisingconferencewithhugeseatingcapacitiesinvariousstyles.Inthetheaterstyleseatingarrangements,theMainHallhasseatingcapacityof5,000persons.

ThescopeofservicesofDCIndiaincludeCivilWorks,MechanicalandHVACWorks,ElectricalWorks,

Interior,AmbienceandFurnitureWorks,WaterSupplyandDrainageSystem,InfrastructuralDevelopments,LandscapeandBeautificationWorks,AudioVisualandAcousticWorks,SafetyOperationslikeFireFightingSystemsDevelopmentandrelatedallstatutorycompliance,EnvironmentalAspectsandsocialsafeguards,GreenBuildingrequirementsanditscompliance.

Theconstructionisbeingcarriedouton“Design–Build”basisandLarsen&ToubroistheContractor.

ThedesignoftheMahatmaMandirConventioncumExhibitionCentrehasbeeninspiredfromandreflectsthelifeandphilosophyoftheFatheroftheNation–MahatmaGandhi;reflectingtheprosperityofGujarat.

TheConventionCenterandExhibitionHallsaredesignedtomeetwiththerequirementsfororganizingGlobalMeets,Conventions,seminarsandconferences,exhibitionsofbothnationalandinternationallevelwiththestateofartfacilities.

iNDEXTbisundertakingthetaskofdevelopmentofsuchprojectforstrengtheningandenhancingtheoverallrelatedinfrastructureofGujarat.

LocationmapGhandinagar,Gujarat

SitemapofMahatmaMandirConventionCenterinGhandinagar,StateofGujarat

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Dorsch International Successful Environmental Com-patibility Assessment for the 3rd Runway on Vienna Airport

Austria’slargestenvironmentalcompatibilityassessmentever,whichisforthenewthirdrunwayontheVienna-SchwechatAirport,hasbeensuccessfullycompletedwiththepositiveconfirmationoftheauthoritiesonJuly7th20�2.

Aftermorethan�0yearsofplanningandfiveyearsofpreparations,DorschInternationalConsultants,asgeneralplanner,aremainlyresponsibleforthesuccessofthislargescaleproject.

Thecompleteprojectconsistsofthenewconstructionofthethirdtake-offandlandingrunwayandallitsconstituentparts,includingthetrafficlinkingroads,thereplacement

ofthefederalroadB�0,modificationofwatersandallthesuppliesanddisposals.

Inadditiontothemainfunctionsofageneralplanner,DorschhasalsoperformednumerousexpertplanningandassessmentservicestogetherwiththeVienneseEngineers’OfficeNeukirchen.

• Overallprojectmanagementandleadmanagementofconsortium.

• EnvironmentCompatibilityConfir-mationcoordination:Designofthemainapprovalpaper,coordinationandintegrationofallenvironmentrelatedexpertreports(approx.25externassessors).

• Monitoringoftheapprovalproce-durefrom2007

• Planningoftheairtrafficplants• Planningofthecompletede-water-

ing• Expertreportsonbrownfieldsand

warefarematerial

• Geotechnicalplanningservices(Planningofthewasteareaforexcavatedmaterial)

Onitswebsite,theORFhasanarticleaboutthisprojectintheLower-Austrianews:http://noe.orf.at/news/stories/2540770/

Stormwater Retention Basin at Camp Kunduz, Afghanistan

TheMinistryofDefenceoftheNetherlandshasaskedDorschInternationalConsultantsGmbHtopreparethedesignandtenderdocumentsforastormwaterretentionbasinthatstoresthestormwatercollectedonthecompound,apumpingchamberandaforcemainthatdischargetherainwatertotheinletstructureofthecascadeatCampKunduz.

Bird’seyeviewofVienna-SchwechatInternationalAirport(source:FlughafenWienAG)

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ThedesignworkhasstartedinMay20�2withapreliminarydesignthatdefinesthelocationandnecessarysizeofthestructuresandthelayoutoftheforcemainandconnectingpipes.

Thiswassummarizedinashortreportwithlayoutdrawings.

Theoriginalideawastocontinuewiththedetaileddesignwhenthepreliminarydesignwasapprovedbytheclientandtopreparethetenderdocumentswithspecificationsfor

thecivil,mechanical,electricalandinstrumentationworksandthebillsofquantityinaccordancewithFIDICredbook.

HoweverbecauseofreasonsoutofthecontrolofDorschInternational,theMinistryofDefencehasrecentlydecidedtostoptheprojectaheadofschedule.

DorschInternationalhasconcludeditsprojectworksubsequently.

Refurbishment planning of Two Waste Water Drains in the Area of the Main Station in Ingolstadt

ThemunicipalutilitiesofthecityofIngolstadtoperatethedrainagechannelnetworkofthecity.

Forthedrainageofthesouthwesternpartofthecitytwodrainagechannelswerealreadybuiltinthemainstationareabythebeginning/middleofthelastcentury.

ThesecrosstherailwaysoftheMunich-Nurembergrailwaylineandafewmorelinkrailwaysonthetotalwidth.

Theyplayakeyroleinthetotalchannelnetwork,astheyrepresenttheonlywayofdiposingofthewastewaterinthesouthwesternpartsofthecityofIngolstadt.

Fortheanalysisofthecurrentstate(accordingtoDWAform�49)DorschInternationalConsultantshavedoneastudyonthebasisofacamerasurveyin20�0.

Onthebasisoftheirstatewehavecomeupwithpossibilitiesfortheirrefurbishment.

CampKunduzinAfghanistan

MainbuildingofIngolstadtcentalstation(photographer:BrianClontarf)

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Accordingtothesurvey,bothdrainsareinacriticalstatebecauseoftheirageandofwardamages.Thus,arefurbishmentisdueurgently.Mosttroublingaretheflakingofthechannelwall,crackstothepointofsharding,missingclinkerbrickwallandthusvisiblesoilandbrokenormisplacedchannellinks.

Intheareasofthesedamages,aswellasonsomeotherpartsofthetwodrains,theleak-tightnessandthestabilitymightbeaffected.

Inordertoguaranteetheoperationoftheanalysedandevaluateddrainsduringaproperfutureoperationperiod,DorschInternationalConsultantsGmbHwasassignedtheconceptualizationplanningandexecutionofvarioussustainedalternativesforarefurbishmentcombiningrebuildingandnewconstruction(HOAI§42,phases�to9)bythemunicipalutilitiesIngolstadtinspring20�2.

Asfaraspossibleandhydraulicallyfeasible,theexistingalignmentsofthedrainsaretobeusedbymeansofasubstanceimprovingrefurbishmentmethod.

Accordingtothefederal/communalwaterconsortium(LAWA),thus,theoperationperiodistobeprolongedtoatleast40andupto80years.

Children’s Day-care Centre St. Veiter Platz in Wiesbaden

TheCivilEngineeringAuthorityoftheCityofWiesbadenhasassignedtheWiesbadensectiontheplanningofthetechnicalstructuralinfrastruc-ture,theelectricinstallationsandthefireprotectionconceptforachil-dren’sday-carecentreinWiesbaden.

Thebuilding,whichwillaccommo-date40infantsfromage0toage�,istobeplannedaccordingtopassivehousestandardsreferringtoenergysavinglawEnEV2009.

TheCapitalCityWiesbadenispartoftheclimateallianceofEuropeancities,andthusboundtovastlyminimizeCO2emissionsbyadequatemeans.

Thistypeofbuildingisanupgradeofthelowenergyhouseandoffersaglobalconceptforenvironmentfriendly,economicandsustainedbuilding,whilemaintainingahighcomfort.

TheassignmentofallthestructuralplanningbythecityofWiesbadenisafurthertesserainourportfoliomosaicforthegeneralservicesintheplanningofschoolbuildings

Road Maintenance Works in Rhine-Main Region, Germany

Asthemaintenanceofroadshasrecentlybeenquiteneglectedbecauseofthelackofpublicfunds,maintenanceworksareindemandmorethanever.Therefore,thenationalandfederalauthoritiesincreasinglyassignandcarryoutmaintenanceworks.

Thus,wehavebeenassignedtheten-deringandconstructionsupervisionofsixhighwayjunctionsintheRhine-MainregionbytheRoadAuthorityHesseMobilDarmstadt.Astheworkswillbelocatedonfederalhighwaysorhighlyfrequentedmotorhigh-ways,thetrafficrouteingduringtheconstructionworksandthealterna-tiverouteingwillbeafundamentalpartoftheproject.Intensivecoordi-nationwiththeauthoritiesinchargewillbenecessary,whichwillhavetobeagreedonconclusivelybeforethetendering.

Nearlyatthesametimeasthebeforementionedworks,wehavebeenassignedanothermaintenanceworksprojectbytheRoadMasteryIdstein.Thisminorprojectincludesthere-furbishmentoftheasphaltsheetinglinks.

Children’sday-carecentreatSt.VeiterPlatzinWiesbaden-WestandEastview

Sewerdamagepicturewithapparentlybrokenfragments

IngSight|��July20�2

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Construction Supervision Contract in Dinslaken, Germany

AlthoughthecolleaguesfromEssenhaveonlybeenintegratedintheWiesbadenofficesincethebegin-ningofApril,thefirstsuccessescanalreadyberegistered.TogetherwiththeBonncolleaguestheyhavebeenassignedaconstructionsupervisioncontractinDinslaken.

Theworksincludetheconstructionofa“separatedraintotheEmscher”madeupbygravitysewersofcon-crete(withdifferentdiameters)toapumpstationandacontinuationasanintake-presslineDN�00tothedischargeunitresp.toaforcemainendshaft.

Thetotallengthisapprox.�50m+approx.4�0m=approx.8�0m.Thelaying,partlyalongsidethehighlyfrequentedB8,willtakeplaceintheopenpipeditch.Theendarticulationpieceswillbecompletedbyprecast-segmentedshafts.

TheconstructionsupervisionwillbeperformedbyBonnandEssentogether.

Design of Handicapped-accessible Platforms in Bonn, Germany

DuetoourverygoodconnectionstothecityofBonnanditsmunicipalutilities,wehavebeenabletogainagreatbid.

IntheurbanareaofBonntheexistingstationsarebeinggraduallyupgradedinordertobecomehandicapped-accessible.

Inadditiontothehandicapped-accessiblenewdesignoftheplatformsalsonewplatformroofsaretobeconstructed.

OurprojectisaboutthemodificationoftheplatformattheTownhouse,whichisveryimportantforthecitybecauseofitscentrallocation.

Layeringworksofintake-presslinescloselyalongsidetothehighlyfrequentedfederalroadB8nearDinslaken

In Brief

Dorsch International: Road Infrastructure / Structural Engineering for A 45 Valley Bridge Onsbach, Germany

Oneofthecorecompetenciesinthetrafficsectionisroadplanning.

ThatiswhyweareverypleasedbytheassignmentofHesseMobilDillenburg,whichconsistsoftheplanningofthetrafficplantsandengineeringstructuresofthesubstitutingnewconstructionofthevalleybridgeOnsbachasapartoffederalmotorwayA45Dortmund–Hagen–Giessen.

Ourextensiveexperienceinhighwayengineeringwillbeveryusefulforthiscomplexandchallengingproject.

Dorsch International: Deconstruction of Railway Overpass Hallgartener Strasse in Oestrich, Germany

Thedeconstructionofrailwayoverpassesisoftenagreatchallengefortheplannersastheyareoftenlocatedincrampedurbanconditions.

Thisdescriptionalsofitsournewproject“removalofrailwayoverpassHallgartenerStraßeinOestrichWinkel(Rhinegau)”.

Theproject,whichhasbeenrunningforseveralyearsalready,istoberealizednow,thus,attheendoflastyear,DIhasbeenassignedthetenderingofthecompleteconstructionworks,inadditiontothealreadyperformedplanningservicesforthetrafficplantsandthebridgestructure.

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BecauseofthegreatsatisfactionoftheclientwiththeexecutionoftheconstructionsitebytheBonnheadquarterswehavebeenassignedafurthersupervisioncontractconcerningtheconstructionofthecrossingtaxiwayBravo.

WehavealsobeenabletogainalandsidebidfortheAirportCologne-Bonn.

ByinstallinganewlightingplantinthemedianstripoftheL84distributorroadtotheterminal,theexistingprotectionprovisionsdonolongermeetthedemands.

Inthecourseoftheprojecttheprotectionprovisionsaretobecheckedandnewlyplannedaccordingtothecurrentlawsonadistanceofapprox.�00m.

Thegreatestchallengeforplanningandexecutionwillbethattheconstructionworksshallbecarriedoutduringoperation.

Besidestheplanningofthestructuralframework,theplanningofthesupplycircuitsandtheconceptforafinancingapplicationarepartoftheproject.

Construction Supervision and Lighting System at Cologne-Bonn International Airport, Germany

Airportsarethehubsofaglobalsocietyandarethusbeingextendedandadaptedcontinuouslytothecurrentneeds.

InthepastyearourofficeinBonnhassuccessivelyperformedaconstructionsupervisionprojectattheCologne-BonnInternationalAirporttogetherwiththeDorschInternationalcolleaguesfromAirports.

RunwayofCologne-Bonninternationalairport

Mainbuildingofterminal�atCologne-Bonninternationalairport(©RaimondSpekking/CC-BY-SA-�.0viaWikimediaCommons)

IngSight|��July20�2

2�

BDC Berlin

Extension of Junction Rangsdorf on Motorway A 10 in Branden-burg, Germany

AtthesouthernsectionoftheBer-linerRing,atkm��.�,thejunctionRangsdorfisbeingextendedintoacompleteshamrockform.Thebridgestructure�2�makesupacross-ingstructurewhichoverpassesthefederalroadB9�overthenationalhighwayA�0.

FromMarch20�2tillJune�0th20��,thefirstconstructionperiodmainlyincludesseveralextensionsoframpsandthebridgeandareconstructionoftheroofoftheB9�.Thefinalextensionwilltakeplaceinasecondconstructionperiod.Theconstructionsiteextendstoap-prox.�,700mEast-Westandapprox.900mNorth-South.

Theconstructionworkshavetobeexecutedwiththeutmostconsid-erationonnatureandcountryside,astherearetaboozonesverycloseby(theconservationareaNottelow-landandtheconservationareaZühlowgrabenlow-land).ThefederalstateBrandenburg,representedbythestateutilityroadsBrandenburg,hasassignedBDCtheon-siteconstructionsupervisionoftheaddendumworksandtheservicesaccordingtotheconstructionsitelawSiGeKo.Inthefirstconstructionstage,fourcontractingsectionsaretobesuper-vised;theroadandbridgeconstruc-tions,theprotectionandcontrolequipment,themodificationsoftheengineeringstructuresandthesignalling.Therewillbevarioustrafficalign-mentperiodsaccordingtotheLSA

regulationsduringtheconstructionperiod.

Thetrafficflowistobeguaranteedduringthemainconstructionperi-ods,bothontheA�0andontheB9�includingalltheirturninganddeviationrelationsandtheaccesstotheagencyinchargeofmotorwaymaintenance.Insomeoftheminorconstructionperiodsalternativerouteingcannotbeavoided.Thepedestrian,bicycleandpublictransportbustrafficoverthebridgehavetobesecuredoverthewholeprojectduration.

Additionally,theplantsfordrink-ingwatersupplyandwastewaterdrain,gasandpowersupplyandthecorporateandpubliccommunicationdevicesaretobeconsidered.

SatelliteviewofRangsdorfintersectionofmotorwayA�0andfederalroadB9�tobeextended

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Construction Supervision on Motorway A 11 Berlin-Stettin, Germany

Theproject,whichhasbeensuccessfullycompletedinthemeantime,comprisedtheextensionofthenortherndirectiontrackofthenationalhighway��Stettin-Berlinfromkm95.220tillkm�00.9��includingthejunctionPenkun.

Thetotalcostoftheprojectwasapprox.7.5millionEuro.Theprojectsectionfillsthegapbetweentwoalreadyextended

highwaysections.Duringtheconstructionoftheroad(concreteconstruction)includingthesignalling,othercontractorsperformedthecrashbarrierconstructionservicesandthetrafficalignment.

Project scheduleAftertheremovaloftheasphaltcoatsofthe�990s,theraisingoftheoldconcretetrack(builtin�9�7)started.Theraisedmaterialwasconvertedintoanti-freezingmaterialdirectlyonamobilecrusherattheconstructionsite.

Theextensionwascarriedoutonaconcretereinforcedundergroundplane�mbeneaththenewtracktopedge.

Ontopofthisundergroundplanethecontractorsplacedtight-gradedsandymaterialasacontinuous0.�mthicksoilexchangecoat(approx.27,000m³)andreinforceditwithconcreteinordertobuildtheactualplanecoat.Ontheproducedplanethecontractorbuiltuptheanti-freezingcoatwithtwocoats(�.coat-suppliedmaterial,2.coat-prepared

Rollingofthegroundreinforcementfortheproductionoftheplane

TwoparallelworkingfinishersplacingthehydraulicallylinkedbearingcoatatmotorwayA��

IngSight|��July20�2

2�

concreteraisedmaterial)andthentheyplacedthehydraulicallylinkedbearingcoatbyfinisher.Completingthetrackstructuretheybuiltthesubandsuperstructure,consistingofaready-mixconcretecomplex,inonestep.

IntheareaofthejunctionPenkunthecontinuoustrackoftheA��andthesidewaysaccelerationanddecelerationlaneswiththeadjacentlinkingrampswerereinforcedwithbitumen.Allthewaterdrainplantswerenewlybuilt(approx.�,500m)andarainwaterretentionbasinwithanupstreamsettlingbasinwasinstallednorthofthebuildingtrackapprox.atkm9�+220.

Boththeearthworksandthedrainworkswerechallengingbecauseofthemixedsoiltypes.

Construction supervisionThechiefsitemanagementwastakenupbytheclient,theRoadsAuthoritySchwerin.ThelocalconstructionsupervisionwascarriedoutbyBDCwithengineerFabianVollandtwoconstructionsupervisors,whohadverytime-consumingfulltime-jobs,

astheconstructionworkstookplaceassix-dayweekswith�2-hourdayswhenevertheweatherallowedforit.Boththecoordinationofthedifferentlotsinshorttimeframesguaranteeingthehighestexecutionqualityandthepromptcoverageofthequalitycontrolswithout

hinderingtheconstructionworkswereespeciallychallenging.Theclient‘sdemandfortheexactaccountingoftheexecutedconstructionservicescouldbecompliedwithduetothepermanentpresenceontheconstructionsiteincludingextensivephotodocumentation.

Thecombinationofconstructionmanagerandconstructionsupervisorwasanidealconstellation,notonlyforthisconstructionsite,andithaslastinglyprovedofvalue.

Afteraconstructionperiodof�2months,inMay20��,theapprox.5.7kmextendedsectionofthemotorwayA��wascompletedforthenext50yearsatleast.Theteamworkoftheclient(SBA)andthecontractor(BDC)mayaswellbecalledperfect.

Ready-mixconcretecomplexusedinthesuperandsubstructureconstruction

Concretingofthesettlingbasinbottomintherainwaterretentionbasin

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IngSightMagazine©20�2DorschGruppe

Publisher:OlafHoffmannEditor/Layout:GerhardHabingerContact:newsletter@dorsch.de

We’dliketothankallauthorsofthisedition(inorderofcontributions):

OlafHoffmannThomasdeBeyerAlexanderGoertzHeinerSauerThomasdeBeyerMichaelSchleusenerSandraGalubaRolfSchmidtMaximilianKrugPeterSchulzOlafHähnelNirmalHumbadBerndMüssigDr.LaureNicolet-MisslbeckStefanBallayReinholdWeisStefanHauserHeinzPeterFischerJoachimHaab

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