Bob's Bunker Page 18

With the major part of the excavation done, the large excavator was removed and this mini excavator took over. And the large wheeled front end loader was removed and a smaller loader with tracks was brought in. This photo shows the 35 foot I beams overhead which prevent the shoring walls from caving inward. You can see the crew working on the beginning stages of placing the wood lagging between the piles. The lagging planks are 2"x6" and 3"x6" oak and maple hard wood.
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