100-rg-eng-00000-900009-eor-apps_spring 2010
TRANSCRIPT
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Spring 2010
Engineering Options
Report Appendices
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Please note:
Further details are provided in the Final Report on SiteSelection Process (doc ref: 7.05) that can be found onthe Thames Tideway Tunnel section of the PlanningInspectorates web site.
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100-RG-ENG-00000-900009 | Spring 2010
Engineering Options ReportA endices
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THAMES TUNNEL
ENGINEERING OPTIONS REPORTAPPENDICES
LIST OF CONTENTS
Page Number
APPENDIX A ASSUMPTIONS REGISTER 1APPENDIX B DRAWINGS 8APPENDIX C TIME CHAINAGE 21APPENDIX D GEOLOGY 35
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Appendix A
APPENDIX A ASSUMPTIONS REGISTER
Engineering Options Report Revision: 1
Appendix A - AssumptionsRegister
Item Criteria/constraints Requirements and Assumpt ions
1 Main Tunnel Design General
Main tunnel sizing (diameter) Beckton orAbbey Mills to Hammersmith
7.2m internal diameter (ID)
Excavated Diameter 8.8m
Main tunnel primary lining Lining thickness 0.35m
Main tunnel secondary lining (assumed it
is required for this EOR)
Lining thickness 0.3m with bar reinforcement
Vertical alignment Alignment to give adequate clearance tothird-party infrastructure (including theproposed National Grid Kensall Green cableTunnel) with tie in to either Abbey Mills Shaft For Beckton overflow shaft.
Not less than 2m clearance below existing BTOpenreach Tunnel
Gradient as close as possible to 0.12%
Horizontal alignment Minimum radius 600m
2 CSO Connections
List of CSOs to be connected 1, 4, 5, 6, 7A & 7B, 8A&B, 9, 10, 14West, 16,17, 19, 20, 23, 27, 28, 29, 30, 31, 32, 33, 34(CSO 34 not required if Abbey Mills route
taken).Low Level Connections CSOs 14, 23, 27
Minimum Tunnel internal diameters(assumptions for tunnel optiondevelopment only)
CS01X Acton Storm - Dia = 2.2m
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Appendix A
Engineering Options Report Revision: 1
Appendix A - AssumptionsRegister
Item Criteria/constraints Requirements and Assumpt ions
CS08B Jews Row - Opened (Wandle ValleySR & Falcon Brook PS) - Dia = 3m
CS09X Falcon Brook PS - Dia = 2.5m
CS10X Lots Road PS - direct connection totunnel shaft
CS14X Ranelagh West & CS14W RanelaghLow Level 1 Wier - Dia = 4m
CS16X Heathwall PS & CS17X South WestSR - Dia = 4.5m
CS19X Clapham Storm Relief - Dia = 2.6m
CS20X Brixton SR to Clapham SR - Dia =2.6m
CS23X: Northumberland Street & CS23WNorthumberland Low Level No1 Wier - Dia =2.6m
CS27X: Fleet Main & CS27W: Fleet Low LevelWier 1 - Dia = 3.5m (5.0m if not direct
connection)
CS28X: Shad Thames PS - Dia = 2m
CS29X: North East SR to Holloway SR - Dia =3.6m
CS30X: Holloway SR - Dia = 3.6m
CS31X Earl PS - Dia = 4.5m
CS32X Deptford SR to Earl PS - Dia = 4m
CS33X Greenwich PS to Deptford SR - Dia =4.5m
CS34X Charlton SR Pipe (Alternative Route 1
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Appendix A
Engineering Options Report Revision: 1
Appendix A - AssumptionsRegister
Item Criteria/constraints Requirements and Assumpt ions
Connection tunnel to main tunnel Seventy degree angled connections arepreferred but allowing exceptions where theconstruction risk associated with a longerconnection in the Thanet sand and chalk
becomes excessive.3 Connection with Lee tunnel
Connection to Lee tunnel Connection to Lee tunnel to be either atBecton overflow shaft or Abbey Mills shaft F.
4 Main tunnel TBM selection
Geological factors in TBM selection TBMs and Drive Strategy to suit groundconditions
Drives rates Drive rates to be consistent with "Base line rev3" programme plus EPBM in Chalk reduced to50m/week
5 Tunnel const ruction and intervention st rategy
Tunnel drive length Drive lengths to be dependent upon therequirements of meeting the overall contractprogramme dates.
TBM Intervention Strategy It is assumed that there will be no need forintermediate shafts to carry out planned TBMinterventions
Intermediate shaft requirements Intermediate shafts may be required forconstruction of the secondary lining.
6 Shaft requirements
Distance between Main tunnel shafts forpermanent access
9km maximum distance, but to be minimisedwhere possible. Equipment and methodologywill be developed to inspect and maintain thetunnel.
Permanent installation - General All main and intermediate access shaftlocations are to provide for the followingpermanent structures:1) Ventilation building
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Appendix A
Engineering Options Report Revision: 1
Appendix A - AssumptionsRegister
Item Criteria/constraints Requirements and Assumpt ions
Drop Shafts (assumptions for tunneloption development only). All drop shaftsare Vortex type unless less than 10m thenStraight Drop - Diameters are minimum.
CS01X Acton Storm Relief
Vortex - Shaft Dia =7m Tube Dia = 1.5m
CS04X Hammersmith Pumping Station:
Straight Drop - Shaft Dia =12m
CS05X West Putney Storm Relief
Vortex - Shaft Dia =20m Tube Dia = 1.5m
CS06X Putney Bridge
Vortex - Shaft Dia =6m Tube Dia = 1.5m
CS07A Frogmore Storm Relief: Bell LaneCreek
Vortex - Shaft Dia =6m Tube Dia = 1.5m
CS07B Frogmore Storm Relief: BuckholdRoad
Vortex - Shaft Dia =7.5m Tube Dia = 2m
CS08A Jews Row - Wandle Valley StormRelief
Vortex X2 - Shaft Dia =7.5m Tube 1 Dia =1.5m
CS08B Jews Row - Falcon Brook PumpingStation
Tube 2 Dia = 2m
CS09X Falcon Brook Pumping StationVortex - Shaft Dia =8m Tube Dia = 2m
CS10X Lots Road Pumping Station
Vortex - Shaft Dia =20m Tube Dia = 2m
CS14X Ranelagh West
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Appendix A
Engineering Options Report Revision: 1
Appendix A - AssumptionsRegister
Item Criteria/constraints Requirements and Assumpt ions
CS19X Clapham Storm Relief
Vortex - Shaft Dia =5m Tube Dia = 1m
CS20X Brixton Storm Relief
Vortex - Shaft Dia =10m Tube Dia = 2m
CS23X: Northumberland Street ForeshoreInterception and side Spill Wiers toNorthumberland LL1 Wier Vortex X2 - ShaftDia =9m Tube 1 Dia = 1.5m
CS23W: Northumberland LL1 Wier
Tube 2 Dia =1.5m
CS27X: Fleet Main
Vortex X2 - Shaft Dia =17m Tube 1 Dia = 3.5m
CS27W: Fleet Low Level Wier 1
Tube 2 Dia = 2m
CS28X: Shad Thames pumping station
Vortex - Shaft Dia =20m Tube Dia = 1.5m
CS29X: North East Storm Relief
Vortex - Shaft Dia =13m Tube Dia = 3m
CS30X: Holloway Storm Relief
Vortex - Shaft Dia =7m Tube Dia = 2m
CS31X Earl Pumping Station
Vortex - Shaft Dia =8m Tube Dia = 2m
CS32X Deptford Storm Relief
Vortex - Shaft Dia =12m Tube Dia = 3m
CS33X Greenwich Pumping Station
Vortex - Shaft Dia =12m Tube Dia = 3m
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Appendix A
Engineering Options Report Revision: 1
Appendix A - AssumptionsRegister
Item Criteria/constraints Requirements and Assumpt ions
Marine transport Marine transport is to be favoured over landtransport. The policy is for all excavatedmaterial to be transported by marine facility atmain tunnel shaft sites.
Land transport Land transport should be minimised in favourof marine transport. It is likely that specificcontaminated materials will need to betransported to special disposal sites via roadtransport.
Segment supply main tunnels No specific limitations have been placed onthe supply of tunnel segments, which dependupon the location of the manufacturing facility.
Power is available for TBM drives at all main drive sites
8 Excavated material handling anddisposal
No assumption has been made regardingdisposal sites
Waste management strategy document todefine disposal. This document is to beproduced
10 Third-party inf rastructure impact
The tunnel and shafts shall not endangerthird-party structures
Thames Tunnel shall be designed to minimisethe impact to third-party infrastructure as far asreasonably practicable
11 Programme Constraints
Pre-construction mobilisation periodduration
6 months
Civils construction duration Maximum 4.5 years
M&E (MEICA) works duration Period 6 months
Testing and commissioning duration Period 6 months
Overall Duration 6 years (ie. 2014 start to meet 202 completion)
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Appendix A
Engineering Options Report Revision: 1
Appendix A - AssumptionsRegister
Item Criteria/constraints Requirements and Assumpt ions
13 M&E Requirements
No major M&E Plant required in thetunnels
No specific impact to cost and schedule
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Appendix B
APPENDIX B DRAWINGS
Page number
Figure B1 100-DA-GEN-00000-007300 Thames Tunnel alignment and drive options key plans . 9Figure B2 100-DA-GEN-00000-007301 Thames Tunnel main tunnel shaft sites plan sheet 1 of4 ........................................................................................................................................................ 10Figure B3 100-DA-GEN-00000-007302 Thames Tunnel main tunnel shaft sites plan sheet 2 of4 ........................................................................................................................................................ 11Figure B4 100-DA-GEN-00000-007303 Thames Tunnel main tunnel shaft sites plan sheet 3 of4 ........................................................................................................................................................ 12Figure B5 100-DA-GEN-00000-007304 Thames Tunnel main tunnel shaft sites plan sheet 4 of4 ........................................................................................................................................................ 13Figure B6 100-DA-GEN-00000-007305 Thames Tunnel River Thames route east end driveoptions plan sheet 1 of 2 ............................................................................................................... 14Figure B7 100-DA-GEN-00000-007306 Thames Tunnel River Thames route east end driveoptions plan sheet 2 of 2 ............................................................................................................... 15Figure B8 100-DA-GEN-00000-007307 Thames Tunnel Rotherhithe route east end driveoptions plan sheet 1 of 2 ............................................................................................................... 16Figure B9 100-DA-GEN-00000-007308 Thames Tunnel Rotherhithe route east end driveoptions plan sheet 2 of 2 ............................................................................................................... 17Figure B10 100-DA-GEN-00000-007309 Thames Tunnel Abbey Mills route east end driveoptions plan ...................................................................................................................................... 18Figure B11 100-DA-GEN-00000-007310 Thames Tunnel west end drive options plan sheet 1of 2 .................................................................................................................................................... 19Figure B12 100-DA-GEN-00000-007311 Thames Tunnel west end drive options plan sheet 2of 2 .................................................................................................................................................... 20
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Appendix B
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Figur e B1 100-DA-GEN-00000-007300 Thames Tunnel alignment and drive opt ions key plans
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Appendix B
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Figur e B2 100-DA-GEN-00000-007301 Thames Tunnel main tunnel shaft s ites pl an sheet 1 of 4
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Appendix B
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Figur e B3 100-DA-GEN-00000-007302 Thames Tunnel main tunnel shaft s ites pl an sheet 2 of 4
A di B
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Appendix B
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Figur e B4 100-DA-GEN-00000-007303 Thames Tunnel main tunnel shaft s ites pl an sheet 3 of 4
Appendix B
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Appendix B
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Figur e B5 100-DA-GEN-00000-007304 Thames Tunnel main tunnel shaft s ites pl an sheet 4 of 4
Appendix B
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Appendix B
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Figure B6 100-DA-GEN-00000-007305 Thames Tunnel River Thames route east end driv e option s plan sheet 1 of 2
Appendix B
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Figure B7 100-DA-GEN-00000-007306 Thames Tunnel River Thames route east end driv e option s plan sheet 2 of 2
Appendix B
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Figure B8 100-DA-GEN-00000-007307 Thames Tunnel Rotherhithe route east end drive opti ons pl an sheet 1 of 2
Appendix B
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Figure B9 100-DA-GEN-00000-007308 Thames Tunnel Rotherhithe route east end drive opti ons pl an sheet 2 of 2
Appendix B
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Figure B10 100-DA-GEN-00000-007309 Thames Tunnel Abbey Mills ro ute east end drive options plan
Appendix B
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Figure B11 100-DA-GEN-00000-007310 Thames Tunnel west end d rive opt ions p lan sheet 1 of 2
Appendix B
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Figure B12 100-DA-GEN-00000-007311 Thames Tunnel west end d rive opt ions p lan sheet 2 of 2
Appendix C
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Appendix C
APPENDIX C TIME CHAINAGE
Page numberFigure C1 Time chainage plot River Thames route Option Ba1 4-4 (4) ................................... 22Figure C2 Time chainage plot River Thames route Option Ba2 4-4(4) .................................... 23Figure C3 Time chainage plot River Thames route Option Bb1 4-3(9) .................................... 24Figure C4 Time chainage plot River Thames route Option Bb2 4-3(9) .................................... 25Figure C5 Time chainage plot Rotherhithe route Option A1a 4-4(4) ........................................ 26Figure C6 Time chainage plot Rotherhithe route Option A1b 4-3(9) ........................................ 27Figure C7 Time chainage plot Abbey Mills route Option A2a 3-3(4) ........................................ 28Figure C8 Time chainage plot Abbey Mills route Option A2b 3-2(1) ........................................ 29Figure C9 Time chainage plot Abbey Mills route Option A2c 2-2(2)......................................... 30Figure C10 Time chainage plot Abbey Mills route Option A2e 2-2(2) ...................................... 31Figure C11 Time chainage plot west end Option Wa 2-2 ......................................................... 32Figure C12 Time chainage plot west end Option Wb 2-1 ......................................................... 33Figure C13 Time chainage plot west end Option Wc 1-1 ......................................................... 34
Appendix C
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Figure C1 Time chainage plo t River Thames route Option Ba1 4-4 (4)
Appendix C
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Figure C2 Time chainage plot River Thames route Option Ba2 4-4(4)
Appendix C
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Figure C3 Time chainage plot River Thames route Option Bb1 4-3(9)
Appendix C
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Figure C4 Time chainage plot River Thames route Option Bb2 4-3(9)
Appendix C
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Figure C5 Time chainage plot Rotherhithe route Option A1a 4-4(4)
Appendix C
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Figure C6 Time chainage plot Rotherhithe route Option A1b 4-3(9)
Appendix C
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Figure C7 Time chainage plot Abbey Mills rout e Option A2a 3-3(4)
Appendix C
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Figure C8 Time chainage plot Abbey Mills route Option A 2b 3-2(1)
Appendix C
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Figure C9 Time chainage plot Abbey Mills rout e Option A2c 2-2(2)
Appendix C
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Figure C10 Time chainage plot Abbey Mills rout e Option A2e 2-2(2)
Appendix C
Fi C11 Ti h i l t t d O ti W 2 2
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Figure C11 Time chainage plot west end Option Wa 2-2
Appendix C
Figure C12 Time chainage plot west end Option Wb 2 1
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Figure C12 Time chainage plot west end Option Wb 2-1
Appendix C
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Figure C13 Time chainage plot west end Option Wc 1-1
Appendix D
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APPENDIX D GEOLOGY
Page number
Figure D1 EA groundwater levels Jan 2008 ................................................................................ 36Figure D2 Geological section for River Thames route .................................................................... 37Figure D3 Geological section for Rotherhithe route ........................................................................ 38Figure D4 Geological section for Abbey Mills route ........................................................................ 39
Appendix D
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Figure D1 EA groundwater levels Jan 2008
Appendix D
Figure D2 Geological section for River Thames route
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Appendix D
Figure D3 Geological section for Rotherhithe route
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Appendix D
Figure D4 Geological section for Abbey Mills route
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