To build a bridge, it will start a soil survey, both on land, in rivers and friends design foundations and piles. Traversing the River, which will require more detail, then it will need to use a boat and crane in the construction of the Middle River by the depth of the pit must be able to support the vehicle's shocks and water flow for every season to lure a large bun pillars and build a bridge to accommodate the floor beams and slab bridge.
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