SOUTH PUMICESTONE REHABILITATION AND SEAWALL RENEWAL

 

CLIENT: MORETON BAY REGIONAL COUNCIL

DATE OF COMPLETION: SEPTEMBER 2013

WORK SCOPE:

• REMOVAL OF EXISTING SHORELINE PROTECTION, EXCAVATION TO REAR OF SEAWALL

• INSTALLATION OF GROUND ANCHORS TO TIE BACK EXISTING SEAWALL

• INSTALLATION OF VINYL SHEETPILES TO TOE OF EXISTING WALL

• FORM AND CAST CONCRETE TO NEW BOTTOM STEP

• ROCK BEACHING AND PROTECTION TO CULVERT OUTFALL

• BEACH NOURISHMENT 

PROJECT DRAWINGS: SOUTH PUMICESTONE REHABILITATION

 

 

 

 

 

ANTI SCOUR ROCK PROTECTION 

 

 

Vinyl Sheet pile installation

 

 

Ground anchor installation

Equipment used:

• 7.8t excavator for excavation

• 4t excavaator with rock hammer

• 30t jack for post instalation tensioning

• 5t jack for lock off loads

Application: 

• Support for existing seawal

• Prevents longditudinal moment

 

Concreting in the inter tidal zone

Works Completed:

• 120m and 105m sections of two teir step

• Culvert base with 500mm of rock

Solutions to tidal interference: 

• Sheet pile bund wall to allow longer working times

• Organisation of work around out going tides