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Metrolinx: Plastic sheets are placed over the burlap to help keep in the moisture.
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Metrolinx: Plastic sheets are placed over the burlap to help keep in the moisture.
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Metrolinx: Moist burlap is placed on top of the concrete to constrol curing and prevent cracking.
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Metrolinx: Moist burlap is placed on top of the concrete to control curing and prevent cracking.
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Metrolinx: Wetting the burlap.
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Metrolinx: Rolls of burlap.
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Metrolinx: Moist burlap is placed on top of the concrete to control curing and prevent cracking.
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Metrolinx: Cutting expansion joints once the concrete sets.
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Metrolinx: Temporary construction joint between pours.
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Metrolinx: Fresh concrete setting.
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Metrolinx: Concrete pump in the foreground; fresh concrete being placed in the background.
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Metrolinx: Concrete pump in the foreground; fresh concrete being placed in the background.
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Metrolinx: Pumping truck delivering fresh concrete to the top level of the structure.