BASEMENT EXCAVATION AND SITE RETENTION SYSTEMS - SOLDIER PILES, GROUND, SOIL & ROCK ANCHORS, SOIL NAILS AND SHOTCRETE WALLS
CDL has extensive knowledge and more than 40 years’ experience in deep building & civil project excavation using varied retention systems. The projects have included building basement excavations and major civil engineering projects such as freeways, cut and cover tunnels, bridge abutments and deep excavations. We use this wealth of experience to assist in selection and promotion of the appropriate retention system according to site conditions, project budget, programme and other factors.
We also offer design and construct packages, using our in-house knowledge and experience in alliance with key external designers, to provide the optimum solution for the project.
Methods and techniques have included:
- Bored pile / soldier pile retention systems
- Temporary ground anchor systems
- Permanent ground anchor systems
- Internal propping and underpinning
- Soil nail walls
- Diaphragm walls
- Reinforced earth walls
Major Earthworks & Excavation
Design and Construct
CDL has carried out significant decontamination and site remediation works on "brown field" developments as many sites in the urban area are redeveloped.
Methods employed have included:
- Classification and disposal to appropriate sites including landfills
- Separation and relocation / stabilisation of problematic soils within the site
- Treatment of soils to allow re-use or reclassification.
With the increasing proportion of development affected by contamination issues, CDL is often able to provide the most effective means of dealing with costs and time implications.
Methods have also been developed, to enable treatment and stabilisation of problematic soils such as acid sulphate soils & asbestos contaminated soils and to encapsulate soils within the site.
Footing and foundation works
The CDL team regularly carry out foundation packages associated with our other works.
The in-ground foundations works we specialise in are foundation piles, pile caps, raft, pad and strip footings and the like.