Bridge Abutment at Ipswich QLD – 0122

PROJECT:

Bridge abutment and slope stabilisation

LOCATION:

DEEBING CREEK BRIDGE, RIPLEY QLD 4306, for Ipswich Shire Council

PROJECT SPEC:

• MATS: FIRM Concrete Erosion Mats with 200gsm Non-Woven Geotextile Underlay
• ANCHORING: Galvanised Ubars, Plus Hulk Earth Anchors with Square Washer plates over Steel rods (see pics for detail)
• EQUIPMENT: 20 tonne excavator, 1 operator and 2 labourers
• CONTRACTOR: Davbridge Contracting

OUR REF: 0122

UPDATE SEPT 2024 – FOUR YEARS INSTALLED

Four years after installation we have revisited the project. See gallery for some updated pics showing vegetation growth and graffiti on pillars that are the latest pics.

PROJECT OVERVIEW

Contractors, Davbridge Construction installed the flexible concrete erosion mats for Ipswich Shire Council on the new Deebing Creek Bridge project at Ripley QLD. The bridge abutments were lined with concrete erosion mats to stabilise the slopes and control erosion and runoff.

WORKS UNDERTAKEN

• An excavator with bucket was used to dig and shape the slopes and prepare abutments
• Concrete Erosion mats were lifted from truck into position on the worksite.
• An excavator bucket was used to unroll mats onto the slope
• The mats top edge was secured into a shallow trench. The edges were joined using geogrid joining mat, secured with Ubar anchors to hold into position

RESULTS & BENEFITS:

• Safe and hard surface created from mat enabled access over sand and into water for vehicles
• Very efficient solution with little to no ongoing maintenance.

TOOLS & EQUIPMENT:

• One excavator to offload the delivery truck and place mats onto site.
• Fast and efficient installation.Two labourers on the ground to assist unstrapping, positioning, spreading soil over mats, and preparation of the site for public access use after mat was laid into place.

TIME:

• Minimal installation time for preparation, laying and covering the mat into place.