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)

Ÿ   Construction of the temporary jetty

Ÿ   Installation of temporary casings, piling jackets, temporary piles, platform and permanent casings

Ÿ   Dismantling of piling jacket

Ÿ   Piling platform removal works

Ÿ   Pile excavation by Reverse Circulation Drill (RCD) method

Ÿ   Pile excavation by Kelly method

Ÿ   Inter-face coring test, full depth coring test, sonic test, friction test and load test

Ÿ   Predrilling works

Ÿ   Operation of floating concrete batching plants

Ÿ   Trimming of pile head

Ÿ   Grouting works

Ÿ   Concreting for pile cap

Ÿ   Driving of sheet piling

Ÿ   Trial water cracking and trial shaft grouting

Ÿ   Installation of recast shells and waterproofing works

Ÿ   Advanced concrete breaking works inside the permanent steel casing

Ÿ   Steel fixing to the column

 

Land Viaduct (P81 to P114)

Ÿ   Land piling and concreting works

Ÿ   Rebar threading for coupler

Ÿ   Drainage and water main diversion works

Ÿ   Backfilling

Ÿ   Tree transplant and maintenance works

Ÿ   Installation of portal beam

Ÿ   Excavation works and Earth Lateral Support (ELS)

Ÿ   Pouring of pile cap and pile head breaking

Ÿ   Formation works

Ÿ   Pours of column

Ÿ   Erection of side formwork for the portal and kickers

Ÿ   Road diversion works

Ÿ   Pre-drilling works, pile cap, column and portal construction

Ÿ   Side formwork and wing slab soffit formwork

Ÿ   Waling of ELS and backfill

Ÿ   Steel fixing for bottom mat and side bars

 

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.