Concrete removalConcrete cutting area shrink wrapped to prevent dust.

Concrete cutting starts Tuesday 25th March, approx 4 - 6 weeks.

South and North Magnetic steel walls• Steel tender awarded Tuesday 25th March (OJEC requires a 10 day period to

give unsuccessful tenders the right to appeal).

• 3D model of shield walls to– Label the steel plates for ease of installation.

– identify plates in each staged delivery.

– Make sure everything fits together.

False Floor

Provisional design from contactor

False floor

False floor in 3 sections

1. Frame (brown)

2. Cover plates (red)

3. Intermediate piece (green)

False floor intermediate piece

Hole pattern is either done in one plate (one size fits all, shown here) or in several modular plates to suit each stage of the build.