CLIENT:
Geoffrey Osborne Ltd

DATE OF PROJECT:
2018

LOCATION:
Romsey Road Bridge – between Junction 3 and 4 of the M27

BUSINESS SECTORS:
Highways

SERVICES PROVIDED:

  • Site Investigation
  • In Situ and Laboratory Testing
  • Factual Reporting
  • Project Management

PROJECT BACKGROUND

The pre-existing Romsey Road Bridge over the M27 was required to be demolished and removed in stages. This was to be followed with a new single span crossing constructed on approximately the line of the existing bridge.

PROJECT OBJECTIVES

To provide a geotechnical investigation for temporary works design, pile design and to determine ground conditions in the area of the proposed site compound.

OUR ROLE

ACS’s role was carry out an intrusive ground investigation and summarise the findings in a factual report.

ACS oversaw the intrusive investigation which included:

  • Dynamic drilling
  • Rotary cable percussion drilling
  • In situ plate load testing
  • CBR testing
  • Soil properties and water sampling for laboratory analysis.

CHALLENGES

Two of the bore holes were located on the embankments present either side of the M27. To enable the bore holes to be drilled, ACS utilised two different methods. On the northern embankment the ground conditions enabled a climbing rotary drilling rig to be tracked into place.

Access to the southern side was more difficult. It required levelling before a rotary drilling rig could be crane lifted from the Romsey Road Bridge into position on the embankment below.

ON SITE LABORATORY TESTING

ACS Testing have provided site laboratories for projects globally. Projects have included military projects, road contracts, flood alleviation schemes and mining projects. Tests carried out in our site laboratories are UKAS accredited and include testing of all the following materials:

  • aggregates
  • bituminous
  • concrete
  • soils
  • waters

One of the huge benefits of our site laboratories is that it allows a fast turnaround of material testing. Transport times for laboratory testing are eliminated so results are available much more quickly. This can enable faster decisions to be made regarding material compliance and use on site.

CONTACT

Brent Graham
E: brent.graham@acstesting.co.uk
T: 01202 628648

Adam Dean
E: adam.dean@acstesting.co.uk
T: 01202 6286479