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March 2002 – Form work and initial concrete pours of Pier 37 |
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The caisson box takes shape as forms for concrete are raised along the perimeter. |
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For initial concrete pours, the cutting edge is positioned at the end of the concrete dock. |
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For initial concrete pours, the cutting edge is positioned at the end of the concrete dock. |
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The interior of the cutting edge. Concrete will be poured into this space. |
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The interior of the cutting edge. Concrete will be poured into this space. |
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One of the four large concrete pouring buckets. Truckloads of concrete are poured into the bucket, then from the bucket into the cutting edge. |
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Workers inside the cutting edge pack the poured concrete with vibrator tools. |
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The orange pipe sections are connected together to guide the flow of concrete into the interior of the cutting edge. Some of the joined pipe sections are visible in the walls of the form. |
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Concrete is poured into orange funnels (called “tremies”) that are attached to the pipe sections (called “tremie extensions). |
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Concrete is poured into orange funnels (called “tremies”) that are attached to the pipe sections (called “tremie extensions). |
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Concrete trucks back onto the dock to empty their loads into the pouring buckets. |
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A sample from the concrete load is checked for consistency. |
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A sample from the concrete load is checked for consistency. Workers check each batch for air content, consistency (or “slump”) and temperature. |
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A truck driver on the job at the concrete dock. |
