site safety forum 2017 for works contracts and property
TRANSCRIPT
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Site Safety Forum 2017 for Works Contracts and Property Services Contracts
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Precast Top slab and manhole shaft
Precast Top Slab of Water Tank Cast in-situ VS Precast Top Slab
Typ./F
4 days
4 days
Original
2 days R.C .
Supporting Key
Lifting Point
+ 2 days
Cast in-situ Top slab and manhole shaft
Enhanced Proposal
R.C . Supporting
Key
. . . .
. . . . . . . . . .
. . . . . .
2 days
Cast in-situ Top slab
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Comparison of Traditional Cast in-situ top slab and Precast Top Slab
Cast In-situ Top Slab Precast Top Slab
Safety • Activity in Confined Spaces Dismantle Formwork Transportation of scaffolds • Higher temperature in water tank
• Reduction construction activity in Confined Spaces • Prevention of Heat Stroke
Quality Control Moderate Easier
Environmental Formwork & Falsework Construction Waste
Noise
Formwork & Falsework Construction Waste
Noise
Time Moderate A bit Faster (Parallel Construction)
Cost Moderate More and less the same
Water Tank Wall Stem Precast top slab
Precast Top Slab of Water Tank
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Original Fixed temporary protective canopy as stated in contract
- Enhancement - Foldable temporary protective canopy
clamping on parapet wall at 1/F was proposed and adopted
``
Enhancement of Temporary Protective Canopy
Advantages: • Foldable protective canopy facilitate lifting works adjoining
to building • Reduce construction works at height • Save time for installation works • Reusable at other projects
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• Insert methods for Protective Canopy
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Enhancement of Temporary Protective Canopy
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Provision of Steel mesh for Slab Opening
Install of steel mesh at Slab Opening before Concreting
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Provision of Steel mesh for Slab Opening
Placed Plywood over openings Placed Steel covers at slab openings
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Innovative Safety Wailing
Typical Safety Wailings at Wall Openings
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Safety measure for window opening
800mm – 1400 mm at Wall openings
Innovative Safety Wailing
Advantages: ???
• For openings with difference sizes
• The concrete defects at openings can be repaired without removing the wailings
• No anchor bolts required and subsequence repairing works
• Observable if missing
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Anti Slip Measure for Ramp (Material Hoist)
Two wheel hand trolley with hand break
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Safety Facilities at Fork Lift
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Safety Innovative ( RFID) • RFID application on plant speed monitoring
• Instant push message
• Information of plant, operator, location,
time, etc.
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