Peter Dietrich

Experience

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  Östu Stettin Tunnelbau GmbH & Co. KG

  Apr 1998 - Jun 2003

  High-speed rail line Cologne-Rhine/Main, Tunnels A + C Responsible for all concrete lining worksTwin track railway tunnels (1 tube) for DB’s new high speed rail lineSection A: Siegburg – DierdorfTunnel Ammerich 720.00 mTunnel Fernthal 1,555.00 mSection C: Limburg – MainbrueckeTunnel Hellenberg 552.00 mTunnel Schulwald 4,500.00 mTotal length of tunnels 7,327.00 mCross-section: 139 – 154 m²Execution by backhoe excavation, drill & blast method, road header, NATM Geology: Phyllite, Serezit-gneiss, clayey slate, quartzite, mottled slate Show less DB’s new High-speed rail line Cologne-Rhine/Main, Section B, JV KDDUS$ 245 million project, Twin track railway tunnels (1 tube)Dierdorf – Limburg: 43.766 kmOberhaider-Wald Tunnel: 1,270.00 mDernbacher Tunnel: 3,285.00 mHimmelberg Tunnel: 2,395.00 mWahnscheid Tunnel: 735.00 mDickheck Tunnel: 570.00 mEichheide Tunnel: 1,750.00 mLange Issel Tunnel: 1,015.00 mElzer Berg Tunnel: 1,110.00 mLimburg Tunnel: 2,375.00 mEichen-Dieckenscheid Tunnel: 400.00 mTotal length of tunnels 14,505.00 mCross-section: 139.00 – 154.00 m²Geology: Clay, Silt, sand-stone, quartzite, clay-slate with layers of sand and siltExecution by road header, drill & blast method, NATM, Deesen Tunnel (338 m cut and cover)Other works incl. earthworks: 13.5 km open-cut, 11.3 km embankment, 6 valley-crossing bridges, 10 road- and 25 railway-overpasses Show less

  • SEM/NATM Tunnel Manager

    Apr 2002 - Jun 2003

  • SEM/NATM Tunnel Engineer / Estimation

    May 2001 - Mar 2002

  • SEM/NATM Tunnel Section Engineer – Excavation, Formwork

    Oct 2000 - Apr 2001

  • SEM/NATM Tunnel Superinten-dent

    Apr 1998 - Sept 2000
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  Wayss & Freytag Ingenieurbau AG

  Dec 2004 - Aug 2008

  Tunnel Grouft US$ 207 million project,Responsible for all excavation and concrete lining works2 highway tunnel, one double-lane tunnel of 3,000 m, cross section 74 – 107 m² and one triple-lane tunnel 3,000 m, cross section 108 – 165 m², Gradient 5 %NATM excavation Metro Dortmund, Ostentor US$ 53 million project,Responsible for organization and management of sub-contractor works, Claim ManagementSingle track metro tunnel, NATM excavation 700 m, cross section 36 m², 220 m, cross section 70 m², 100 m expanding sectionStations and ramps – open pit

  • SEM/NATM Tunnel Manager

    Jul 2005 - Aug 2008

  • SEM/NATM Tunnel Manager

    Dec 2004 - Jun 2005
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  ALPINE BeMo Tunnelling GmbH, Eching

  Mar 2008 - Aug 2011

  Tapovan Vishnugad Headrace Tunnel (HRT)US$ 200 million project, Responsible for HRT construction for a 4x130 MW Hydro Electric Power PlantTotal length of HRT: 11,771 mLength of intake adit: 230 mLength of TBM adit: 420 mConstruction of approx. 8 km HRT by Herrenknecht Double Shield TBM, Ø 6.58 m, 0.3m strong precast segmental lining, ring of 4 hexagonal shaped segmentsConstruction of approx. 4.4 km HRT and adits by road header or drill & blast method, concrete tunnel lining, Ø 5.6 m finished horse shoe profile, NATMGeology: Himalaya region, fault zone with heavily fractured and unstable but highly abrasive quartzite layers Show less Airport Metro Express Line Contract 6 - AMEL C6US$ 80 million project, 2 subcontractorsResponsible for all excavation and concrete lining works.Design & construction of NATM tunnel, switchover ramp and ventilation shaft between Talkatora Garden and Buddha Jayanti Park.NATM Tunnel, Ø 10.00 m for Twin Track Railway a with Central Wall for Track SeparationCut & Cover tunnel and Switchover ramp 265 m.Preparatory works and Construction of 2 Nos. shaft, both 600sqm Sqf = 55,74 m2, depth 28 and 35m.Excavation in soil and rock (drill & blast)Underground Ventilation Building Show less

  • SEM/NATM Tunnel Manager

    May 2010 - Aug 2011

  • SEM/NATM Tunnel Manager

    Mar 2008 - May 2010
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  ALPINE BeMo Tunnelling GmbH, Eching

  Nov 2011 - Jun 2013

  University Link Light Rail, TBM Tunnel (UWS to CHS), Link Contract U220US$ 250 million project,Responsible Manager for structures excavated using SEM (Sequential Excavation Method) as part of an underground light rail contract section delivered by Traylor-Frontier-Kemper JV (contractor JV) to Sound Transit (client)Specialised on-site support for SEM/NATM tunnel construction of 15 cross passages of different geometry between TBM Tunnels (approx. 4,000 m by TBM, segmental lining)Support by lattice girders and fibre-reinforce shotcrete support, pre support by exploratory drilling, grouting spikes, vacuum-dewatering Geology: Highly variable glacial deposits including water bearing sands and silts up to 100 m below surface Show less

  • Senior Engineer

    Oct 2012 - Jun 2013

  • SEM/NATM Cross passage Manager

    Nov 2011 - Sept 2012
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  Dr. Sauer & Partners

  Mar 2014 - Jun 2015

  NATM Expert

  Supervise NATM tunnel construction activities and reporting to the Construction Management organization. I am responsible for the day-to-day site activities what includes responsibility for the decision making process regarding support measures, implementation and adaptation of the design to conditions encountered, as well as changes to construction details as required.

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  BeMo Tunnelling

  Jul 2015 - Mar 2018

  Know-How-Transfer Project for SEM/NATM in challenging geological conditions SEM/NATM Tunnel Specilist / Consultant: Specialised on site support for SEM/NATM tunnelconstruction in difficult Geology.

  • SEM/NATM Tunnel Projekt Engineer/Manager

    Apr 2016 - Mar 2018

  • Senior SEM/NATM Tunnel Engineer

    Jul 2015 - Mar 2016
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  BeMo Tunnelling

  May 2018 - Mar 2019

  SEM/NATM Tunnel Engineer

  Know-How-Transfer Project for SEM/NATM in challenging geological conditions

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  BeMo Tunnelling

  Sept 2019 - Jul 2022

  SEM/NATM Tunnel Project Engineer/Manager

  Know-how-Transfer Project of the New Austrian Tunnelling Method (NATM) at the Purple Line subway extension project in Los Angeles (westside extension underneath Wilshire Boulevard). The order includes constructional consultancy for the excavation of cross-passages between two TBM-driven tubes.

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  BeMo Tunnelling

  Sept 2022 - now

  Senior Tunnel Project Engineer/Manager

  Extension underground line U4 to the Horner Geest in Hamburg. The project contains structural work of phase 1 for the construction of an inner-city cut-and-cover tunnel incl. a crossing structure that is crossing under an existing underground line. · Sealing building pits by HDI-jet-grouting-technology and underwater concrete.