DR. SPANG INGENIEURGESELLSCHAFT FÜR BAUWESEN, GEOLOGIE UND UMWELTTECHNIK MBH

Retrofitting of
Reutherberg tunnel

Developer

Freiburg Regional Administrative Authority

Download the project description
PDF, 903 KByte

Project

• The Reutherberg tunnel is a 1256 m long, single-tube road tunnel on the 294 trunk road
• The tunnel is part of the Wolfach bypass in the Black Forest
• Construction of a new rescue gallery in order to improve road safety

Our services

• Geotechnical advice during construction
• Geological and hydrological supervision of tunnel driving works, inc. mapping of the drive face

Salvage excavation, Cologne Waidmarkt

Developer

City of Cologne, Mayor, Office for Bridge and Urban Railway Construction

Download the project description
PDF, 596 KByte

Project

• Following the collapse of the municipal archive, an excavation pit is being dug at Waidmarkt in Cologne to retrieve the buried archives
• The pit is protected on three sides by a bored pile wall, the fourth side is formed by the diaphragm wall of the passageway for changing platforms
• At the transition from the bored pile wall to the diaphragm wall there is still an opening for system reasons that is sealed off by an ice guard

Our services

• Inspection of the execution plans for the ice guard in respect of geotechnical and static aspects

Major project VDE 8th Nuremberg-Berlin, Nuremberg-Ebensfeld section, 2nd freight train section exploratory programme

Developer

DB ProjektBau GmbH, Nuremberg

Download the project description
PDF, 880 KByte

Project

• Planning and upgrade of project section 13, freight train line
• The section includes the two-track Pegnitz tunnel
• Project section 13 (freight train tunnel) includes the two project sections 13 (freight train tunnel), km 4.935 to km 13.500, and 16 (Fürth north), km 13.500 to km 15.144

Our services

• Specialist site management and construction supervision for the 2nd exploratory programme
• Preparation of a geological engineering, hydrogeological and water management report based on the findings of the 2nd exploratory programme and the findings of the completed line determination investigations (1992) and the 1st exploratory programme (1993)
• Expert report on construction of the freight train tunnel, L=8,300m

Feasibility study for the B240 crossing the Ith

Developer

Regional Roads and Traffic Authority, Hanover

Download the project description
PDF, 814 KByte

Project

• To improve the flow of traffic on the B 240 trunk road between Fölziehausen and Eschershausen, a new route is planned
• 5 tunnel options were elaborated in a feasibility study

Our services

• Archive research
• Establishment of an exploratory programme
• Preparation of the tender documents for award of the exploratory works contract
• Specialist monitoring of the drilling works and core drilling survey
• Geological report on the findings
• Preliminary geological report for the regional planning process

New Kohlberg tunnel

Developer

DEGES Deutsche Einheit Fernstraßenplanungs– und Baugesellschaft mbH, Berlin

Download the project description
PDF, 286 KByte

Project

• Construction of a new Kohlberg tunnel to bypass the village of Pirna as part of the construction of the new B 172
• The tunnel is 300 m long, the overburden up to 25 m
• The tunnel has 3 lanes and emergency footpaths on both sides
• The road cross-section is 13.55 m
• The tunnel is being driven in alternating sandstone-maristone layers (rag) and the overburden consists largely of sand and disintegrated sandstone and maristone

Our services

• Static investigation for a bored tunnel construction
• Execution of 2 sections as 2D FE calculation
• Structural engineering planning pursuant to HOAI 2009 § 49, stages 1 to 3, for the bored tunnel construction method

New Wendlingen - Ulm road, project section 2.2 Boßler tunnel, Steinbühl tunnel, Filstal bridge

Developer

DB ProjektBau GmbH, Stuttgart

Download the project description
PDF, 71 KByte

Project

• The new Wendlingen-Ulm road climbs up the Schwäbisch Alb mountains
• The main structures are the 490 m long Filstal bridge, the 4,850 m long Steinbühl tunnel and the 8,800 m long Boßler tunnel
• Geotechnically the project section is dominated by brown and white jura
• Karst
• Swelling rock
• High groundwater levels
• Some pressure-exerting rock

Our services

• Contractual, content and formal examination of the available expert reports and information about geology, hydrogeology, geotechnics and tunnel construction techniques
• Plausibility review of the conclusions and recommendations of the expert reports

Renovation of Neckartailfingen tunnel as part of the B 297

Developer

Stuttgart Regional Administrative Authority

Download the project description
PDF, 506 KByte

Project

• Trunk road tunnel approx. 250 m in length
• Adjacent troughs on both sides
• Built in cut-and-cover construction in 1992
• Location approx. 5 m parallel to the Neckar
• Considerable damage since 1997
• Road surface raised
• Water ingress into shafts and block joints
• Spalling on walls

Our services

• Damage survey
• Exploratory excavation at the block joints
• Expansion of control levels beside the tunnel in order to ascertain a possible relationship between the groundwater level and the ingress of water
• Determination of causes of the damage
• Preparation of a tunnel volume
• Renovation concept of preliminary planning nature

Hahnenkamp tunnel, Bad Oeynhausen

Developer

NRW Roads Service, East Westphalia-Lippe regional office

Download the project description
PDF, 688 KByte

Project

• Construction of new A30 as northern bypass of Bad Oeynhausen
• Cut-and-cover construction of Hahnenkamp tunnel
• Considerable below-grade portion with cuttings up to 10 m deep
• Tunnel length approx. 450 m with 2 tubes, each 2-lane

Our services

• Subsoil expert report and foundation work consultancy pursuant to § 92 HOAI, part XII, stages 1 to 3
• Drilling support
• Field investigation
• Laboratory tests

Darmsheim tunnel

Developer

Stuttgart Regional Administrative Authority, Ludwigsburg

Download the project description
PDF, 654 KByte

Project

• Construction of new Darmsheim tunnel as northern bypass of Darmsheim, rural road 1182
• Tunnel with a length of approx. 498 m
• Moderate overburden of approx. 20 m
• 2-lane cross-section with an excavation area of 90 m²

Our services

• Geotechnical and tunnel engineering works consultancy
• Subsoil assessment and foundation works consultancy with the basic services pursuant to HOAI, § 92, part XII
• Tunnel engineering expert report
• Invitation to tender for the field investigation and laboratory and field tests

Construction of new Bühl tunnel, trunk road B 62n / investigation of current situation of the Niederschelden tunnel

Developer

NRW Roads Service, Siegen regional office

Download the project description
PDF, 73 KByte

Project

• Construction of a new road tunnel with curve
• Both accesses cross the 2-track electrified Betzdorf-Siegen railway line
• Tunnel and preliminary cuttings are to be driven by explosives
• Investigation of the of the current situation of the Niederschelden tunnel (railway)

Our services

• Documentation on the condition of the 350 m long, two-track railway tunnel
• Investigation of the existing situation and the mountain with 26 corings from the railway tunnel while services continued
• Assessment of the condition, operational safety and stability with and without facework influences

Nittel tunnel

Developer

DB Netz AG, Frankfurt am Main Projektleitung: DB ProjektBau GmbH, Frankfurt am Main

Download the project description
PDF, 759 KByte

Project

• Renewal of a railway tunnel 574 m in length
• Conversion from two-track to single track route
• Construction of a new arch
• Floor made deeper
• Tunnel extended by approx. 30 m
• Erection of trough structures in front of the entrances

Our services

• Preparation of an investigation concept
• Obtaining approvals for the investigation
• Invitation to tender for the investigative measure
• Monitoring and evaluation of the investigation
• Geotechnical assessment of the mountain and tunnel shell
• Recommendations for design and execution

Construction of new flood diversion tunnel from the Freiberg basin to the Mulda high-water retaining basin

Developer

Freiberg basin / Zschopau dam and reservoir services, Lengefeld

Download the project description
PDF, 688 KByte

Project

• Construction of a new flood diversion tunnel as part of the construction of the high-water retaining basin in the Chemnitzbach valley
• Length approx. 4,350 m
• Round cross-section between 3.89 and 4.49 m
• 810 m bore with depths up to 135 m

Our services

• Drafting of project specifications and schedule of works for the invitation to tender for the field investigation
• Invitation to tender for the works
• Specialist supervision of the geotechnical investigation
• Tunnel engineering expert report

New construction of the Metro 4 underground

Developer

DBR Metro Project, Budapest

Download the project description
PDF, 669 KByte

Project

• Underground rail connection between south-west and north-east Budapest
• 14 stations over a distance of 10.5 km
• Shield driving method applied in clay and sand up to 31 m below the site surface
• bis zu 31 m unter GOK
• 5.2 m tunnel cross-section
• Danube crossing

Our services

• Panel of experts
• Geotechnical advice during execution
• Advice on tunnel construction during execution
• Risk analysis
• Assessment and acceptance of amendments to contract

Johannesgraben Tunnel, Stuttgart

Developer

Stuttgart Regional Council, Department 43

Download the project description
PDF, 83 KByte

Project

• Single tunnel pipe, within which the lanes in each direction are separated by a central wall
• Approx. 200 m long
• Constructed in the late 1970s using open-type construction
• Damage found in the area of the block joints and in the bearing and springer area

Our services

• Identifying the damage and reporting, in advance of planning renovation works
• Camera run along drainage pipelines
• Mapping of tunnel damage
• Status report and status assessment

DB Nordbahntrasse,
change of use of a former rail
section approx. 22 km long
as a pedestrian and cycle path

Developer

Wuppertal City Council, Dept. for Road Maintenance and Engineering

Download the project description
PDF, 109 KByte

Project

• Tesch Tunnel (523 m)
• Dorp Tunnel (488 m)
• Dorrenberg Tunnel (175 m)
• Engelnberg Tunnel (171 m)
• Rott Tunnel (364 m)
• Fatloh Tunnel (85 m)
• Schee Tunnel (2 x 722 m)

Our services

• Tunnel investigation (drilling works)
• Status investigation and documentation
• Report on tunnel renovation
• Approximate statics calculation for CURRENT status
• Status assessment / Renovation concept
• Cost estimate
• Preliminary planning
• Processing as an engineering group

Stuttgart urban railway, U15, 27. Zuffenhausen section

Developer

Stuttgart City Authorities, Underground Civil Engineering Dept.

Download the project description
PDF, 472 KByte

Project

• Extension of the U 15 underground rail section in an inner-city location
• Section length 1,380 m
• 2 tunnel sections in open-type construction, approx. 248 m and 48 m long, including subterranean operating rooms
• Tunnel worked systematically, approx. 581 m long
• Construction of an escape stairwell with approx. 25 m deep shaft design
• Subterranean stop in Kirchtalstrasse, approx. 186 m long
• Two stops in the inclined area at the start and end of the section, Rathaus (town hall - approx. 70 m long) and Salzwiesenstrasse (approx. 94 m long), including platforms and access facilities

Our services

• Execution planning of the construction element and support framework planning for the systematically worked tunnel section, HOAI § 55, Lph. 5, and § 64, Lph. 4 and 5, in engineering group
• Technical processing
• Technical record-keeping for the engineering group
• Creating plans for shell and strengthening

New construction of the Losenberg Tunnel, Olsberg bypass

Developer

Landesbetrieb Straßen NRW, Meschede

Download the project description
PDF, 151 KByte

Project

• New construction of an inner-city tunnel as part of the B 480n through the Losenberg
• Single-pipe tunnel worked systematically
• 153 m long
• In the entrance area, a main road with am overcovering of just 1.5 m with regular traffic is undercut, protected by a 20 m long shield-driven pipe

Our services

• Technical processing
• Proofs of safe status, including 3D FEM simulation of driving
• Execution planning pursuant to HOAI § 55, Lph5, § 64 Lph 4 and 5
• Geotechnical charting of the driving site, and support during construction

New construction, Schmücketunnel, BAB A 71, Heldrungen

Developer

DEGES, Berlin

Download the project description
PDF, 915 KByte

Project

• New construction of a road tunnel as part of the BAB A 71
• Length 1,725 m, 2 pipes each with 2 carriageways, cross-section RQ 26 t, 5 cross cuts
• Entrance cuttings with pinned sprayed concrete walls (construction time-related) and pinned floor (permanent)
• Entrance area over 80 m length with rear-anchored support walls up to approx. 3 m height

Our services

• Geotechnical advice to support construction
• Geotechnical mapping of the four advances to be worked simultaneously
• Engineering geology documentation
• Check on geotechnical plans

New construction of the BAB A 46 between AS Hemer and the B 7

Developer

Landesbetrieb Straßen.NRW, Nl Südwestfalen, Hagen

Download the project description
PDF, 233 KByte

Project

• Extension of the A 46 in Sauerland from the existing AS Hemer to the B 7
• Overall length of route approx. 7,500 m
• The open-air section is approx. 5,200 m long
• Multiple-section bridge approx. 750 m long
• Two tunnel constructions: Bemberg Tunnel approx. 300 m, Stübecken Tunnel , approx. 1250 m

Our services

• Assessment of subsoil, advice on foundations and tunnel engineering advice
• All service phases covered by the HOAI, § 92 such as field investigations, monitoring of field investigations, surveying the dead works and carrying out lab and field tests as part of the investigation, taking into account DIN 4020

Tunnel Hirschhagen, BAB A44

Developer

Kassel Office for Roads and Transport

Download the project description
PDF, 641 KByte

Project

• New construction of a motorway tunnel with two tunnel pipes, 4,100 m long, excavated cross-section up to 120 m², and a ventilation shaft in systematic working, partially subject to inherited military pollution

Our services

• Investigation concept
• Obtaining permissions for the investigation
• Tendering for, monitoring and evaluating the investigation
• Geotechnical and tunnel construction engineering assessment of the mountain
• Recommendations for design and execution
• Advice on tunnel construction engineering

Burgholz Tunnel, new construction
of the L418 Southern Ring Road Wuppertal

Developer

NRW Land Road Construction Division, Essen Branch

Download the project description
PDF, 784 KByte

Project

• New construction of an expressway tunnel with two tunnel pipes, 1,865 m and 1,787 m long
• Excavation corss-section up to 119 m² with 6 crosswise galleries
• Systematically worked
• Installation of two operating buildings, one bridge construction and seven supporting and sound insulating walls

Our services

• Geotechnical advice to support construction
• Determining the definitive calculation key ratios
• Geological mapping
• Geological engineering documentation of the tunnel
• Advice on foundation works
• Formal recording of hydrogeological evidence

New construction of an S-Bahn
tunnel in Leipzig city centre
between Leipzig Hbf. and the Bayerischer Bahnhof Developer

Developer

DEGES, Berlin

Download the project description
PDF, 378 KByte

Project

• Underground electrified S-Bahn section, length 3.5 km, of which 2.6 km was systematically worked; two single-track tunnel pipes, external diameter 9 m, spacing 0.5 to 1 diameter; 4 stations in open-type construction
• Subsoil in loose and mixed-particle soils (glacial terraces, base moraines), overwhelmingly fine gravels, coarse clays and clays
• Incorporating the construction works up to 18 m into several, partly highly permeable groundwater aquifers, diagonally to crosswise to the direction of flow; influence on natural groundwater regimes during construction and permanently

Our services

• Subsoil report
• Tunnel construction engineering/geological report
• Report on hydrogeology
• Advance planning of tunnel with mechanical advance
• Expert advice to developer during tendering (HOAI Part XI)
• Expert advice to developer during execution (HOAI Part XI)
• Expert and detailed planning on request from the developer
• Expert monitoring of construction during the build
• Groundwater monitoring

Frillendorf Tunnel

Developer

.NRW Land Roads Division

Download the project description
PDF, 151 KByte

Project

• New construction of the BAB A 52 between AD Essen-East (A 40) and AK Essen-North (A 42)
• BAB 40 underpass and track facilities for Deutsche Bahn AG
• The Frillendorf Tunnel is approx. 68 m long and has an upfield gallery
• The North-East connections at the motorway intersection are achieved using tunnel ramps (340 m and 400 m)

Our services

• Investigation programme ( 8 core drillings, 13 small pile-driven boreholes, 13 heavy pile-driving probes)
• Monitoring dead works
• Tendering for investigative drilling
• Lab and field tests
• Assessment of subsoil
• Geotechnical advice

Coschütz Tunnel, BAB A17
Dresden - Prague

Developer

Walter Bau-AG, Nuremberg

Download the project description
PDF, 155 KByte

Project

• New construction of 2 twin-pipe motorway tunnels
• Length 2,332 m
• Standard cross-section RQ 29t

Our services

• Geotechnical investigation of rock outcrop in the Plaunscher Grund area
• Execution planning for the entrance blocks up to 18 m behind the stop walls of both tunnels
• Rock securing for rock outcrops on both stop walls
• Design of construction elements and structural frameworks for tunnel entrance and rock securing
• Expert geotechnical monitoring of construction for tunnel entrance and rock securing
  
  

TOP