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 and formwork installation

Ÿ   Kingpost installation for precast cap and associated steel welding works

 

Land Viaduct (P81 to P114)

Ÿ   Land piling and concreting works

Ÿ   Rebar threading for coupler

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

Ÿ   Carriageway diversion

Ÿ   Tendon ducts

Ÿ   Falsework 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.