9               FUTURE KEY ISSUEs

Key Issues in the Coming Month

 

9.1         Major site activities for the coming reporting month will include:

WA4

Ÿ   Fabrication of rebar cages

Ÿ   Fabrication of temporary piling platforms

 

WA7

Ÿ   Fabrication of rebar cages

Ÿ   Loading and Unloading of rebar materials

 

Marine Viaduct (P0 to P80)

Reverse Circulation Drill (RCD) Method:

Ÿ   Piling works

Ÿ   Mooring bits and silt curtain installation

Ÿ   Installation of piling jackets

Ÿ   Dismantling of piling jackets

Ÿ   Pile excavation and casing installation

Ÿ   Inter-face tests, full depth coring test and sonic test

Ÿ   Grouting works

 

Kelly Method:

Ÿ   Removal of piling platform and temporary pile extraction

Ÿ   Inter-face tests, full depth coring

Ÿ   test and sonic test

Ÿ   Toe grouting works

 

Pile Cap Construction:

Ÿ   Installation of precast cap shells

Ÿ   Concreting

Ÿ   Kingpost installation and associated steel welding works

Ÿ   Concreting trimming

 

Works with Cofferdam:

Ÿ   Installation of waling strut

Ÿ   Installation of sheet pile

Ÿ   Installation of temporary working platform

Ÿ   Installation of shear pin

Ÿ   Installation of bored pile casing

Ÿ   Excavation works and casting of concrete plug

Ÿ   Dewatering works and sealing works

Ÿ   Additional welding

 

Column Construction:

Ÿ   Lifting works

Ÿ   Lift concreting

Ÿ   Pier head works

Ÿ   Pier head concreting

Ÿ   Column insert installation, mobilization and temporary works

 

Deck Erection:

Ÿ   Segment Unloading Frame (SUF)

Ÿ   Winches test

Ÿ   Assembly and erection of Lifting Frame 2

Ÿ   Erection of segment on pier

 

Land Viaduct (P85 to Abutment at SHT) & Marine Viaduct (P81 - P84)

Ÿ   Pile construction

Ÿ   Pouring of column

Ÿ   Pre-bored for sheet pile for cofferdam construction

Ÿ   Seawall block coring and breaking

Ÿ   Formwork erection

Ÿ   Blinding concrete for scaffolding works

Ÿ   Dismantling of steel bracket system

Ÿ   Erection of steel bracket system cross road steel portal beams erection and corresponding falsework erection

Ÿ   Steel girders and cross beams erection

Monitoring Schedule for the Next Month

9.2         The tentative environmental monitoring schedule for the next month is shown in Appendix D.

Construction Programme for the Next Month

 

9.3         A tentative construction programme is provided in Appendix A.