FITT Resources Mangrove Creek Dam NSW Concrete Repairs
FITT Resources recently completed a series of repair works on the Mangrove Creek Dam in NSW, on behalf of the Central Coast Council. The scope of works, which were completed between October 2019 and April 2020, included a series of joint repairs on the spillway chute wall, along with repairs to the slab floor, plus concrete repairs to cracks in the spillway wall, the dam face joint, and the interface between the dam wall and the toe slab.
FITT Resources recently completed a series of repair works on the Mangrove Creek Dam in NSW, on behalf of the Central Coast Council. The scope of works, which were completed between October 2019 and April 2020, included a series of joint repairs on the spillway chute wall, along with repairs to the slab floor, plus concrete repairs to cracks in the spillway wall, the dam face joint, and the interface between the dam wall and the toe slab.
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Fitt Resources
PROJECT DETAILS
CPA/2183 SPILLWAY REPAIR WORKS
MANGROVE CREEK DAM
www.fittresources.com.au
Spillway Chute Wall Joint Repair
• The affected spillway wall joints should be cleaned out and filled with mastic
sealant
• 6 joints of approx. 10 m height
• 20 joints of approx. 6 m height
• 16 joints of approx. 3.8 m height
Spillway Chute Floor Slab Repair
• 4 joints of varying length (Avg 15 Lm per joint) to be repaired having significant
spalling or cracking
Other Concrete Repairs
• Carry out Concrete repair works to Spillway Wall Crack, Dam Face Joint and
Interface between Dam Wall & Toe Slab
SCOPE OF WORKS
Spillway Chute Wall Joint Repair
• Replacement of all joint filler on all
vertical movement joints in the
eastern and western walls of the
spillway
• Water and grit blast to remove all
existing materials and shall be
made thoroughly dry, clean and
frost free.
• Expand foam Closed Cell shall be
push fitted back into the joint.
• Apply Parchem Emer Seal 200
sealant firmly into the joint.
• 6 joints of approx. 10 m height
• 20 joints of approx. 6 m height
• 16 joints of approx. 3.8 m height
SPILLWAY WALL JOINT REPAIR
ACCESS SCAFFOLDING
10 M HEIGHT WALL JOINT REPAIR
10 M HEIGHT WALL JOINT REPAIR
PROGRESS PHOTOS
PROGRESS PHOTOS
• Work on suitable Projected Engineered
Work Platform
• Work platform shall be safely anchored and
supported with quality 5 Ton diesel
hydraulic lifting winch.
STEEP SLOPE PORTION REPAIR - ENGINEERING INNOVATION
STEEP SLOPE PORTION REPAIR - ENGINEERING INNOVATION
Spillway Chute Floor Slab Repair
• 4 joints of varying length
(Avg 15 Lm per joint) to be
repaired
• Concrete cutting 1 m on
either side of the joint upto
avg. depth of 125 mm
• Expose and treat corroded
reo bars with anti-corrosive
coating
• Install SL 81 Mesh and
Anchor bars
• Pour 5 mm aggr. Concrete
upto slab level
SPILLWAY FLOOR SLAB REPAIR - SCOPE
SPILLWAY FLOOR SLAB – CONCRETE CUTTING
SPILLWAY FLOOR SLAB – CONCRETE CUTTING
SPILLWAY FLOOR SLAB – TREATMENT OF EXPOSED REO
SPILLWAY FLOOR SLAB – MESH AND ANCHOR INSTALL
SPILLWAY FLOOR SLAB – CONCRETING
SPILLWAY FLOOR SLAB – FINISHED VIEW
SPILLWAY FLOOR SLAB – FINISHED VIEW
Other Concrete Repairs
Carry out Concrete repair works to Spillway Wall Crack, Dam Face Joint and Interface
between Dam Wall & Toe Slab
OTHER CONCRETE REPAIRS
Major Equipment
• Long boom Concrete Pump – 50 Lm
• Concrete Mixer
• Cranes – 60 Ton & 25 Ton
• 5 Ton Hydraulic Winch
• Engineered Platform
• 5 Ton Forklift
• Jack Hammers
• Saw cutting Machine
• Generators
• Minor Tools
MAJOR EQUIPMENT
• Being the third lowest in terms of tender pricing, Contract was awarded to us based on the
best proposed methodology considering value for money.
• Project completion date was extended due to additional works, X mas holidays, Bushfire,
Inclement weather and COVID-19 which was approved by Council without charging any delay
damages.
• Council appreciated the professionalism in completing the project that too with great efficacy.
• We believe the Project was completed within Council’s budget even though there were some
additional works and variations.
CONCLUSION
engineered for service
Head Office & Service Centre 27 Awaba St Lisarow NSW 2250
1300 653 229 • contact@fittresources.com.au • www.fittresources.com.au
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