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Mackay Northern Access Road - QLD DTMR

  • LRB255 and BG36 at Janes Creek Bridge
  • PM26 at Goosepond Creek

Project Outline

Mackay Northern Road Access Project is basically widening of the existing Bruce Highway with the construction of new bridges.

Scope of Works

CPB QLD awarded to Avopiling QLD Pty Ltd construction of 46No x 900mmØ x 10.00 to 21.00 metres long cast in place bored piles for Davey Street, Janes Creek Bridges and 36No x 550 x 12.00 metres to 14.00 metres long octagonal driven piles at Goosepond Creek Bridges.

HW30 Central Coast Highway

  • HW30 Central Coast Highway Ground Improvment
    Ground Improvement - Drilled Displacement Piles

Project Outline

Central Coast Highway / Manns Road / Brisbane Water Drive Intersections and Approaches Upgrade at West Gosford. Main construction of roadworks, bridgeworks and associated activities for the upgrade and involves the widening and realignment of Brisbane Water Drive and Manns Road between Kulara Avenue in the south and Stockyard Place in the north to form a single at-grade fully signalised intersection with the Central Coast Highway.

Scope of Works

Ground improvement of the Central Coast Highway between Erina Heights and Wamberal, 572No Drilled Displacement Piles 450mm dia; column depth from 5.0 to 14.1m; grid spacing: varies from 1.2 to 2.0m.

330 Church St, Parramatta, NSW.

  • Bulk Excavation Level reached
    Bulk Excavation Level reached
  • Excavation well under way
    Excavation well under way

Project Outline

Diaphragm Wall Construction for the proposed residential development at 330 Church Street, Parramatta, NSW. The proposed development will comprise two residential towers over a common podium level and four levels of basement carparking over the main rectangular portion of the site with the footprint of the basement extending to the eastern, western and southern boundaries, and set back between about 9m and 12m from the northern site boundary. The site is located within near level terrain on the south bank of the Parramatta River. Bulk excavations to a maximum depth of about 12m below existing surface levels to be carried out following the completion of the Diaphragm wall.

 

The work was carried out for Karimbla Construction Services Pty Ltd (Meriton Group)

Scope of Works

Design and construction of the diaphragm wall system with two rows of temporary rock anchors through the wall, which include:

 

Diaphragm wall: 49 panels x 640mm wide x 2800mm-7000mm length x 12m–13m depth

Temporary anchors: 2 rows x 243 rock anchors x approx. 14m-23m length

 

Works include:

  • Design works for the diaphragm wall.
  • Removal of 40 existing old reinforced concrete piles from the location of the diaphragm wall.
  • Design and construct Guide Wall.
  • Supply and installation of  all concrete,  reinforcing steel,  anchor blockouts and couplers.
  • Supply and installation of Inclinometer system.
  • Design, install and test all anchors.
  • Installation of standpipe piezometers and monitoring of groundwater levels.
  • Monitoring the performance of the southern boundary shoring using the inclinometers and survey monitoring points.
  • De stress the temporary anchors.

 

Concrete used: 50MPa for DW panels (volume 2,650m3)

                             25MPa for Guide Wall (volume 370m3)

Reinforcement: 200 ton

Project examples

Mackay Northern Access Road - QLD DTMR

Mackay Northern Access Road - QLD DTMR

QLD
Mackay Northern Road Access Project is basically widening of the existing Bruce Highway with the construction of new bridges.

Project examples

HW30 Central Coast Highway

HW30 Central Coast Highway

NSW

Central Coast Highway / Manns Road / Brisbane Water Drive Intersections and Approaches Upgrade at West Gosford. Main construction of roadworks, bridgeworks and associated...

Project examples

330 Church St, Parramatta, NSW.

330 Church St, Parramatta, NSW.

NSW

Diaphragm Wall Construction for the proposed residential development at 330 Church Street, Parramatta, NSW. The proposed development will comprise two residential towers over a...

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