professional forum...2009/06/16 · 16 june 2009 10 design principles for scl cross harbour section...

16 June 2009

Shatin to Central Link - Cross Harbour SectionProfessional Forum

216 June 2009

Agenda

Opening Speech (09:00)Presentation Part 1 Overriding Public Need and Constraints Presentation Part 2 Alignment Options without ReclamationQ&A

Tea Break (10:00)

Presentation Part 3 Other OptionsQ&AGroup DiscussionPlenary SessionOverall SummaryClosing Speech (12:20)

316 June 2009

SCL - History, Alignment, Station & Benefits

416 June 2009

History of Shatin to Central Link (SCL)

• Railway Development Strategy 2000 (RDS-2000) confirmed the policy objective of railways to form the backbone of the public transport system

• Recommended in RDS-2000 for priority implementation with a target completion in 2011

• MTRCL & KCRC were invited to submit proposals to Government for its implementation in 2001

• KCRC was awarded the project in 2002 – design carried out but affected in 2004 because of impending merger

• One of the 10 priority projects in 2007-2008 Policy Address

• Government invited MTRCL to continue with SCL planning and design in March 2008

• Government entrusted to MTRCL SCL design and site investigation works with Government funding

516 June 2009

Shatin to Central Link (SCL)Source:

LegCo Paper No. CB(1)1036/07-08(03) on 27 March 2008

CROSS HARBOUR SECTION

616 June 2009

East West CorridorKey Facts:

• Components:West Rail Line, Shatin to Central Link (Tai Wai to Hung Hom section),Ma On Shan Line

• Journey time:Wu Kai Sha to Tuen Mun69 mins

New Railway:

• 11 km

• 6 new stations

• 3 interchange stations

716 June 2009

North South CorridorKey Facts:

• Components:East Rail Line, Shatin to Central Link (Hung Hom to Admiralty section)

• Journey time: Lo Wu to Admiralty50 mins

HUNG HOM STATION

EXHIBITION STATION

ADMIRALTY STATION

CROSS HARBOUR SECTION

New Railway:

• 6 km

• 3 new stations

• All interchange stations

816 June 2009

Shatin to Central Link BenefitsBenefits:

• Increased area coverage

• 6 new interchange stations

• Significantly increased route choice

• Improved East-West connectivity

• Improved connection from New Territories to Urban Area

• Increased robustness of railway network

916 June 2009

Why are We Here Today?• Shatin to Central Link (SCL) needs to cross the harbour

• Cross Harbour Section may require ‘temporary’ or permanent reclamation

• The need for Compliance with Protection of Harbour Ordinance (PHO)

– Presumption against reclamation

– Overriding public need (as per Court of Final Appeal judgment) to rebut presumption

• To discuss alignment options for SCL Cross Harbour Section and review the extent of the proposed reclamation

1016 June 2009

Design Principles for SCL Cross Harbour Section• Acceptable railway design

– East Rail to cross harbour at Hung Hom Station

– Interchange with future North Island Line at Exhibition Station

• Feasible to construct

• No reclamation / minimum permanent reclamation

• Options requiring reclamation must satisfy the requirements of the PHO and the Court of Final Appeal Judgment (January 2004)

1116 June 2009

Public Consultation Programme for SCL Cross Harbour Section

Complete SCL Scheme supported by Cogent and Convincing Materials Report

September 2009

Public Forum & Follow-up DiscussionsAugust 2009

District ConsultationJuly / August 2009

Follow-up Discussions from Professional ForumFollow-up Discussions from Stakeholder Forum

June / July 2009

Stakeholder ForumJune/July 2009

Professional Forum16 June 2009

1216 June 2009

Current Programme for Shatin to Central Link

Completion of North South Section2019

Completion of East West Section2015

Commencement of ConstructionEnd 2010

Shatin to Central Link GazettalEnd 2009

1316 June 2009

PART IOVERRIDING PUBLIC NEEDS

AND CONSTRAINTS

1416 June 2009

Compliance with Protection of the Harbour Ordinance

1516 June 2009

Compliance with Protection of the Harbour Ordinance

• Statutory presumption against reclamation

• Presumption is rebuttable only by establishing an overriding public need for reclamation

Overriding Public Need

– Economic, environmental and social needs of the community

– Compelling

– Present

– Must have no reasonable alternative

1616 June 2009

The Overriding Public Need for SCL

1716 June 2009

To Relieve Congestion on Existing Rail Lines

SCL will redistribute railway passenger

flow to relieve congestion within existing

railway lines, some of which will be over

desirable capacity in near future.

1816 June 2009

To Support Cross Boundary Integration

SCL has immense significance to support

HK’s growing cross-boundary economic

activities & social integration with

Mainland China.

1916 June 2009

To Relieve Congestion of Cross Harbour Tunnel

SCL will be safe, reliable and

environmentally-friendly.

SCL will reduce road-based traffic and

alleviate traffic at the Cross Harbour

Tunnel.

2016 June 2009

To Relieve Traffic Congestion in Hong Kong

SCL will create the opportunity to relieve

traffic congestion in Kowloon and on

Hong Kong Island by providing an

alternative transport choice .

2116 June 2009

To Mitigate Deterioration of Road-side Air Quality

SCL is a sustainable solution to mitigate

deterioration of road-side air quality on

HK Island and Kowloon.

2216 June 2009

Benefits to the Community at Large

2316 June 2009

Social & Economic Benefits• Employment opportunities during SCL

construction – 11,000 jobs created

• Enhanced employment opportunities in areas along alignment – commercial / tourism related

• Passenger time savings worth HK$4.1 billion/year by 2021

• To catalyze rejuvenation of old urban districts

2416 June 2009

To Minimize Protracted Disruption to the Community

SCL will have to interface with Central

Wanchai Bypass and other major planned

projects along north shore of Hong Kong

Island.

Source: Highways Department

2516 June 2009

Summary

1. Overriding Public Need for SCL – PRESSING & IMMINENT

- To Relieve Congestion of Existing Rail Lines- To Support Cross-boundary Integration- To Relieve Traffic Congestion of Cross Harbour Tunnel- To Relieve Traffic Congestion in Hong Kong - To Mitigate Deterioration of Road-side Air Quality

2. Benefits to the Community at Large

- Social & Economic Benefits

3. Other Factors

- To Minimize Protracted Disruption to the Community

2616 June 2009

Constraints of Cross Harbour Section

2716 June 2009

Objective – extend East Rail across the harbour

EXHIBITIONSTATION

ADMIRALTYSTATION

TSUEN WAN LINE

ISLAND LINE

HUNG HOMSTATION

KOWLOON SOUTHERN LINK

EAST RAIL

PROPOSED NORTH ISLAND LINE

Hung Hom Station

Exhibition Station

Admiralty Station

2816 June 2009

Constraint –Hung Hom Interchange Station Location

HUNG HOMSTATION

EXHIBITIONSTATION

HUNG HOMSTATION

Constraints for Hung HomInterchange Station

horizontal & vertical constraints:

determine the location of the station andalignment of Cross Harbour Section

EXHIBITIONSTATION

ADMIRALTYSTATION

2916 June 2009

Hung Hom Bypass

IMC

Freight

ETS Portal

Freight Pier

E& M Plant Room

Existing East Rail/ West Rail/ Intercity Platforms

Hung Hom Interchange Station Horizontal Constraints

Freight with Metropolis Above

Cross Harbour Tunnel

A

A

Section A-AHK ColiseumMetropolis

(2) Existing foundation of Coliseum(3) Existing foundation of Metropolis

To PolyU

(1) Existing platforms

Stabling/Freight Yard

HK Coliseum

3016 June 2009

Constraint – Cross Harbour Tunnel (CHT)

EXHIBITIONSTATION

ADMIRALTYSTATION

HUNG HOMSTATION

ADMIRALTYSTATION

Cross Harbour Tunnel (CHT)

3116 June 2009

Constraint – Central Wanchai Bypass (CWB)

• CWB (the section within CBTS) will be constructed between 2010 & 2016

• CWB is a physical barrier to SCL alignment

• SCL either passes above or below CWB

• To minimize impacts to the community and Causeway Bay Typhoon Shelter, SCL has to coordinate with CWB

EXHIBITIONSTATION

ADMIRALTYSTATION

HUNG HOMSTATION

Central Wanchai Bypass(CWB)

3216 June 2009

Constraint – Causeway Bay Typhoon Shelter (CBTS)

• CBTS users demand for minimum disruption

• Construction of CWB in CBTS require re-arrangement of anchorage area and moorings

EXHIBITIONSTATION

ADMIRALTYSTATION

HUNG HOMSTATION

Causeway Bay Typhoon

Shelter (CBTS)

3316 June 2009

Constraint – Typical Vertical Constraints

Central Wanchai Bypass Tunnel

Existing Breakwater

Alluvium

Rock

Marine Deposits

Corestones

Seabed approx -20mPD

Scour Area -local depression in seabed

Existing Cross Harbour Tunnel HUNG HOMSTATION

Fairway

Fairway

Typical Geological Plan and Section for Cross Harbour Section

3416 June 2009

• Minimum radius curve – 300m

• Maximum gradient – 3%

• Large ventilation ducts for each tunnel tube

• Cross passages between tunnel tubes at 250m intervals

• Ventilation building / fireman’s access / emergency evacuation point as close to landfall as practical

• Flood gate buildings on alignment on both sides at landing points

Constraint – Operational Requirements

3516 June 2009

Summary of Constraints

HUNG HOMSTATION

EXHIBITIONSTATION

11 Hung Hom Interchange Station

(horizontal & vertical constraints)

2 Cross Harbour Tunnel (CHT)

3 Central Wanchai Bypass (CWB)

4 Causeway Bay Typhoon Shelter (CBTS)

5 Typical Vertical Constraints

6 Operational Requirements

7 Hung Hom Bypass & Fender Piles

8 Seawall

9 Freight Pier

10 Fairway

11 Buoy

12 Gas Main

13 Breakwater

14 CHT Portal & Existing Seawall

15 Buildings & Infrastructure Projects

2

3

4

5

6

7

8

9

10

11

12

13

14

15

3616 June 2009

Potential Alignment Options

3716 June 2009

Alignment Corridor

• All alignment options fall within the envelope shown

• Some alignment options may require reclamation

• Details to be discussed in Part 2 and 3

HUNG HOMSTATION

EXHIBITIONSTATION

Existing Cross H

arbour Tunnel

Centra

l Wan

chai

Bypas

s

Envelope for Alignment Options

3816 June 2009

PART 2ALIGNMENT OPTION WITHOUT RECLAMATION

3916 June 2009

Cross Harbour Bridge

Characteristics• Bridge piers in the harbour are regarded as reclamation• Bridge deck should be high enough to allow passage of vessels• Require extensive approaches at both ends. Approach ramps would extend almost to Admiralty Station.

Implications• Require extensive land resumption for bridge piers and foundations• Massive approach ramps would cut off harbourfront• Interchanges not practical. • Visual impact of Victoria Harbour

NOT A REASONABLE OPTION

‘No Reclamation’ Options

4016 June 2009

Tunnel in Mixed Ground Under the Harbour

Diameter Dictated by• structure gauge• ventilation

Vertical Alignment• Minimum ground cover to maintain ground

stability• Desirable cover – 2 diameters• Geological conditions

can only be constructed by tunnel boringmachine (TBM)

Minimum 1~2 diameter of tunnel

approx. 10m

diameter

air duct

4116 June 2009

Due to vertical alignment constraints, tunnels have to pass through mixed ground, i.e.through soft and rock strata.

• Implications: - requires frequent (daily) intervention for maintenance & repair of cutterhead due to serious wearing in mixed ground

- interventions require work under pressure to maintain face stability

• Problems: - required to work under pressure > 3.45 bar for up to 1,800 m

EXHIBITIONSTATION

HUNG HOMSTATION

Rock

Soft

Breakwater Hung Hom Bypass

DeepFlood Gate

SCL Bored Tunnel

3.45 bar limit

DeeperStation

Central Wanchai Bypass

DeepVentilation

Building

Bored Tunnel in Mixed Ground Under the Harbour

4216 June 2009

Face Interventions• For frequent face interventions at these pressures in mixed ground conditions, special

techniques such as saturation diving would be required

• Saturation diving only used on one completed project in the world (completed in 2002). Different circumstances, due to ground conditions, as only 6 interventions made.

• ‘Last resort’ technique.

SPACE TO BE PRESSURISED TO KEEP WATER OUT

AND TO STOP GROUND COLLAPSING ON WORKERS

SEABED

4316 June 2009

• Conclusions: - Risk to health, life and project too high to be acceptable- Not a reasonable option

• Problems: - Factories and Industrial Undertakings Ordinance (Cap.59M) allows working up to maximum pressure of 3.45 bar

- All bored tunnel options will require regular intervention for maintenance and repair work in excess of 3.45 bar

Bored Tunnel in Mixed Ground Under the Harbour

4416 June 2009

Tunnel Deep in RockCharacteristics• Alignment will be significantly lowered

Implications• East Rail would need to be depressed from north of Mong Kok East Station• Interchange at Hung Hom and Exhibition Station either not practical or inconvenient• Cannot provide required level of service

• NOT A REASONABLE OPTION


EXHIBITIONSTATION

HUNG HOMSTATION

Rock

Soft

Breakwater Hung Hom Bypass

DeeperFlood Gate

DeeperInterchange

StationDeeper

InterchangeStation

Central Wanchai Bypass

DeeperVentilation

Building

SCL Tunnel Deep in RockFurther deepening of building required

approx. 80m

approx. 40m approx. 53m

4516 June 2009

• The following “No Reclamation” Options have been considered:

– Cross Harbour Bridge

– Bored Tunnel in Mixed Ground

– Tunnel Deep in Rock

• None of the above are considered to be reasonable.


4616 June 2009

Q&A SESSION

4716 June 2009

TEA BREAK

4816 June 2009

PART 3OTHER OPTIONS

4916 June 2009

Other Options

• Immersed Tube Tunnel

• Cut & Cover Tunnel

• Combination of the above

Previous cross harbour tunnels have been constructed by Immersed Tube Tunnel with Cut & Cover sections at each landfall.

5016 June 2009

Immersed Tube Tunnel

• Proven method

• Installation of pre-cast units into trench in seabed

(1) Trench dredging (2) Lower immersed tube units (3) BackfillingLay barge

Sea bed Sea bed Sea bed

5116 June 2009

Immersed Tube Tunnel – Alignment Envelope

Central Alignment –

Constrained by CWB slip road

Exis

ting

Cro

ss H

arbo

ur T

unne

l

HUNG HOMSTATION

EXHIBITIONSTATION

Envelope for Cross Harbour Tunnel Options

Centra

l Wan

chai

Bypas

s

(CWB)

EASTERN CORRIDOR

WESTERN CORRIDOR

SLIP ROAD NO.8

5216 June 2009

1. Immersed Tube Tunnel (IMT) –IMT unit partly above existing seabed

2. Hung Hom Landfall – Cut & Cover Tunnel

3. Reinstatement of Hung Hum Bypass Fender Piles

4. Reinstatement of Freight Pier

Common Alignment Issues

Exis

ting

Cro

ss H

arbo

ur T

unne

l

HUNG HOMSTATION

EXHIBITIONSTATION

Centra

l Wan

chai

Bypas

s

(CWB)

1

2

4

3

5. Cofferdam for Demolition and Reinstatement of Causeway Bay Typhoon Shelter (CBTS) Existing Breakwater

6. Temporary Reclamation in CBTS

5

6

5316 June 2009

1. Immersed Tube Tunnel (IMT) –IMT units partly above existing seabed

• Any permanent reclamation? No– Raising sea bed is not reclamation

(even if it were, there is overriding public need)– Fairway not affected

• Any temporary reclamation? No

• Any impact to the use and enjoyment of harbour?Temporary marine traffic diversion

Typical Cross Section above Seabed

Future Sea Bed Level

Existing Sea Bed Level

Typical Cross Section at Deeper Section of IMT



Section A

Section B

Typical Cross Section at Two Ends of IMT



EXHIBITIONSTATION

Central –Wanchai Bypass

Ventilation Building

HUNG HOMSTATION

Rock

Soft

BreakwaterHung Hom

BypassFlood Gate

SCL Immersed Tube Tunnel

Hung Hom Fairway

B

A

A

B

5416 June 2009


Temporary works area

Cut-and-cover tunnel

Immersed tube tunnel

International Mail Centre

To Hung Hom Station

Freight Pier

Hung Hom Bypass

5516 June 2009

• Any permanent reclamation? No

• Any temporary reclamation? approx. 1 ha– Temporary works area– Temporary cofferdam

• Any impact to the use and enjoyment of harbour?– No impact to use of the harbour by the public


Cut & Cover Tunnel

Temporary Works Area

Temporary Cofferdam

Temporary Works Area

5616 June 2009

3. Reinstatement Hung Hom Bypass Fender Piles

Existing fender piles to be removed for construction of cut-and-cover tunnels and reinstated in a different location and form.

• Any permanent reclamation? Yesthe reinstated fender piles


• Any impact to the use and enjoyment of harbour?No impact to use of the harbour by the public

5716 June 2009

• Part of the pier structure has to be demolished to make way for the trench excavation for the immersed tube

• Pier may not require reinstatement depending on operational requirements

• Any permanent reclamation? YesIf reinstatement of pier is required


• Any impact to the use and enjoyment of harbour?No impact to use of the harbour by the public

4. Reinstatement of Existing Freight Pier

International Mail Centre

To Hung Hom Station

Freight Pier

Hung Hom Bypass

Part of freight pier to be demolished

5816 June 2009

5. Cofferdam for Demolition & Reinstatement of CBTS Existing Breakwater

• Temporary seawall and reclamation provided on harbour

• Temporary seawall and reclamation formed before removing existing breakwater for SCL tunnel construction

• Breakwater reinstated prior to removal of temporary seawall

• Any permanent reclamation? No

• Any temporary reclamation? YesIncorporated with those for Cut and Cover tunnel in CBTS

• Any impact to the use and enjoyment of harbour?Some moorings inside the CBTS will be affected

temporary breakwater

existing breakwater removed after temporary breakwater constructed

5916 June 2009

Central Wanchai Bypass (CWB)

• Project authorized by ExCo in May 2009

• Construction work in CBTS from 2010 to 2016

• Temporary reclamation in CBTS will be carried out in 4 main stages to facilitate construction of the road tunnels

6. Temporary Reclamation in Causeway Bay Typhoon Shelter (CBTS)

6016 June 2009(extracted from CWB CCM process)

CWB Works in Causeway Bay Typhoon Shelter (CBTS) Temporary Reclamation Phasing

6116 June 2009

Causeway Bay Typhoon Shelter

Private Mooring Area(about 4.4 ha, about 150 vessels)

RHKYC Mooring Area(about 3 ha , about 150

vessels)

Note: vessels counting carried out in April 2008

Anchorage Area(about 2.6 ha, about 200 vessels)

OFF-SITE

CWB Works in Causeway Bay Typhoon Shelter (CBTS) Mooring Re-provisioning

6216 June 2009

• SCL work has no permanent reclamation inside CBTS

• In addition to the economic, environmental and social implications, cost as well as the time and delay should temporary reclamation also be judged in terms of

– Area?

– Duration?

– Disturbance?

– Combinations of all these?

Objective is to minimize the temporary reclamation taking all of these factors into account.

6. Temporary Reclamation in Causeway Bay Typhoon Shelter (CBTS)

6316 June 2009

• Option 1: Easterly Alignment

SCL Alignment Option in CBTS

6416 June 2009

Easterly Alignment – Option 1A (SCL below CWB) Permanent Reclamation: No

Temporary Reclamation: Approximate additional area = 0.6 ha

Temporary reclamation for CWB at CBTS will need to be extended by approx. 3 years

Prolonged disruption to CBTS

Features: SCL to be built underneath CWB as a combined structure

Excavation in CBTS will be deeper and will increase construction complexity,

risk, cost and duration

Railway Operation: Cross platform interchange at Exhibition Station cannot be provided

SCL SCL

CWB CWB

EXHIBITIONSTATION

Temporary reclamation

Station 8m deeper. No cross platform interchange

Deeper tunnel, work in CBTS prolonged by approx. 3 years

CBTS

SCL TunnelCWB Tunnel

Challenging, risky construction under CHT

6516 June 2009

Permanent Reclamation: Yes

CWB and SCL alignments need to shifted northward for about 3m to avoid clashes with existing structures

Temporary Reclamation: Required at CBTS & near Island Eastern Corridor

Approximate additional area = 1.4 ha

Prolonged disruption to CBTS due to impacts on cooling water intakes

CWB completion will be delayed by approx. 3 years

Features: Only part of SCL to run underneath CWB to avoid construction complexity in Option 1A particularly at CHT

Railway Operation: Cross platform interchange at Exhibition Station can be provided

Easterly Alignment – Option 1B (SCL partly below CWB)

SCL SCL

CWB CWB

CBTS


EXHIBITIONSTATION


Clashes with CWB tunnels; to be moved north,

permanent reclamation required

HEC SubStation

6616 June 2009

Permanent Reclamation: No

Temporary Reclamation: Required (additional area within CBTS) & near Island Eastern Corridor

& prolonged disruption to CBTS (due to deeper tunnel under CBTS and not possible

to have concurrent SCL and CWB construction due to impacts on sea water intakes)


CWB completion will be delayed by approx. 3 years

Features: Similar to Option 1B but follow more inland alignment towards Exhibition Station

Railway Design: Cross platform interchange at Exhibition Station cannot be provided

Easterly Alignment – Option 1C (SCL partly below CWB)


SCL SCL

CWB CWB

CBTS


EXHIBITIONSTATION

No cross platform interchange

Deeper tunnel, work in CBTS prolonged by approx. 3 years


6716 June 2009

CROSS HARBOUR TUNNELCAUSEWAY BAY TYPHOON SHELTER

(CBTS)SEABED

SCL TUNNELS PROTRUDE ABOVE SEABED

SCL TUNNELS CLASH WITH CWB SLIP ROAD NO.8

SCL Tunnel

CWB Tunnel

Easterly Alignment – Option 1D (SCL above CWB)

6816 June 2009

Easterly Alignment – Option 1D (SCL above CWB)Permanent Reclamation: 10 ha near North Point (6.7 ha more than CWB original scheme)

Temporary Reclamation: Required at CBTS & near Island Eastern Corridor


Prolonged disruption to CBTS due to construction complexity

Features: CWB vertical profile lowered to accommodate SCL

SCL to be built above CWB as a separate structure

Excavation in CBTS will be deeper and will increase construction complexity,

risk, cost and duration

SCL SCL

CWB CWB

6916 June 2009

SCL Alignment Option in CBTS• Option 1: Easterly Alignment

• Option 2: Westerly Alignment

7016 June 2009

Permanent Reclamation: No

Temporary Reclamation: Required at CBTS


Features: Alignment crossing CWB at the west of CBTSShortest distance

Westerly Alignment

CBTS

SCL Tunnel

LONGITUDINAL SECTION ALONG CWB

CWB TunnelCWB Slip Road

SCL Temporary Reclamation

Breakwater

CWB

7116 June 2009

Within the limit of the gazetted CWB scheme and CCM, the extent of SCL protection work allowed is as shown

Westerly Alignment – CWB authorized, SCL not yet authorized

7216 June 2009

The following considerations have to be taken into account in developing a reasonable construction sequence:

• Area of temporary reclamation

• Duration of temporary reclamation

• Disturbance to the moorings and activities

• Various other factors in line with Court of Final Appeal Judgment

Westerly Alignment – SCL authorized

7316 June 2009

Westerly Alignment – Option 2

Additional Protection Works by CWB

Original TS4 to be extended

Minimum extentLimit preferably

moved further North

7416 June 2009


TS3(E) & TS3 (W)

Completed Tunnel

Tunnel Structure

SCL 2

Completion of SCL from SVB

7516 June 2009

TS3(E) & TS3 (W)

Completed Tunnel

To be completed after CWB construction

Tunnel Structure


7616 June 2009

TS3(E) & TS3 (W)

Completed Tunnel

Tunnel Structure

Westerly Alignment – Further Opportunities for Earlier Completion

Can works in this area be completed earlier?

7716 June 2009

Requirements for Earlier Completion

– Need to provide sufficient navigation channel and work space in CBTS

– Proposed revised temporary reclamation and mooring arrangement have to be accepted by concerned stakeholders

– Some additional moorings (compared to CWB) may need to be relocated outside CBTS

– Timely authorization of SCL

Westerly Alignment – Further Opportunities for Earlier Completion

7816 June 2009

Option 2 –Westerly

Alignment

Option 1 – Easterly Alignment

LowMediumMediumMediumHighConstruction Complexity & Risk

Min. length;X-platform int’geok

Longer;X-platform int’genot ok

Longer;X-platform int’ge not ok

Longer;X-platform int’ge ok

Longer;X-platform int’ge not ok

Railway operation

Limited moorings affected

Prolonged occupation of moorings




Disturbance

+ 1.5 years+ 3 years and delay to CWB

+ 3 years and delay to CWB



Extended Duration of Works in CBTS

2.2 ha0.6 ha2 ha2 ha0.6 haTemporary reclamation

NilAdditional 6.7 ha for CWB

NilTo be determined

NilPermanent reclamation

Option 1DOption 1COption 1BOption 1A

Summary of Options with Reclamation

7916 June 2009

Issues to be AddressedYour views on:

• Are you satisfied that there is overriding need for SCL?

• There is no reasonable ‘no reclamation’ option.

• Which of the two IMT alignment corridors (easterly or westerly) is the better option?

• Should the extent of protection work in CWB be increased to avoid repeated temporary reclamation in CBTS?

• What additional work should MTRCL and Government undertake to maximize the integration of the construction work in CBTS to achieve minimum reclamation?

8016 June 2009

Q&A

8116 June 2009

GROUP DISCUSSION

8216 June 2009

PLENARY SESSION

8316 June 2009

OVERALL SUMMARY

8416 June 2009

Next Step

Complete SCL Scheme supported by Cogent and Convincing Materials Report

September 2009

Public Forum & Follow-up DiscussionsAugust 2009

District ConsultationJuly / August 2009

Follow-up Discussions from Professional ForumFollow-up Discussions from Stakeholder Forum

June / July 2009

Stakeholder ForumJune/July 2009

Professional Forum16 June 2009

Completion of North South Section2019

Completion of East West Section2015

Commencement of ConstructionEnd 2010

Shatin to Central Link GazettalEnd 2009

SCL Programme

Public Consultation Programme

professional forum...2009/06/16 · 16 june 2009 10 design principles for scl cross harbour section...

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