Darwin Region - Wooliana Road - Riverbank Protection and Repair works due to Disaster Event (Agrn1269-31U)

-L 5TH NEW HOLE BARRA RESORT: 60 mx 5.5 m DEEP xlOjn^RQCK KEYED RIVER SIDE
> Earthworks in cut - excavate ramp
> Supply & place Class C geofabric to base (under bottom rock)
> Supply & place 300 mm dump rock to bottom
> Supply & place Class C geofabric under keyed rock, river-side benched face, 60 mx 10 m
> Supply & place interlocking rock 200-600 mm, keyed into 1:1 river-side batter (60 x 10 m face): 0.5 m face
blanket on slope + 1 mxl m toe key + 0.5 x 0.5 m bench key per m lift
> Earthworks in fill using general fill - rebuild batter, backfill balance to top
> Haulage of quarry products ex HBQ to site (rock)

2. 6TH HOLE JOIN 4TH HOLE TO EXISTING ARMCO SECTION: 85 m KEYED x 12 m DEEP^ROCK KEYED
RIVER SIDE
> Earthworks in cut - joining excavation 60 x 5
> Supply & place Class C geofabric to base (under bottom rock)
> Supply & place Class C geofabric under keyed rock, river-side benched face, 85 mx 12 m (25 + 60 m
combined)
> Supply & place interlocking rock 200-600 mm, keyed into 1:1 river-side batter (85 x 12 m face): 0.5 m face
blanket on slope + 1 m x 1 m toe key + 0.5 x 0.5 m bench key per m lift
> Earthworks in fill using general fill - backfill balance to top
> Haulage of quarry products ex HBQ to site (rock)

3. SECOND HOLE (PHILL'S PLACE): RE-OPEN 23 mx 10 m x 10 m DEEP, BENCH ROCK RIVER SIDE
> Earthworks in cut - go back down existing hole 23 mx IQmxlO m deep
> Supply & place Class C geofabric under keyed rock, river-side benched face, 23 mx 10 m
> Supply & place interlocking rock 200-600 mm, keyed into 1:1 river-side batter (23 x 10 m face): 0.5 m face
blanket on slope + 1 mxl m toe key + 0.5 x 0.5 m bench key per m lift
> Earthworks in fill using general fill - backfill balance to top
> Haulage of quarry products ex HBQ to site (rock)