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into place. Once the wall is built to two blocks high,stop the block stacking process and begin <br /> backfilling the wall. Make sure drainpipe,filter fabric,and drain mats(if required)are installed <br /> before backfilling. Flip the geogrid forward over the face of the wall to get it out of the way and <br /> fill the wall with the specified backfill material, so that the material is level with the top of the <br /> first course of block. Compact backfill material to specified compaction. <br /> Precast concrete "Stone <br /> Terra' system. Number of <br /> • . , courses varies to suit wall <br /> height. <br /> _ ✓ >E <br /> `1 r.4«, <br /> 2'-0" LEVELLING PAD <br /> Flip the geogrid back over the wall so that it covers the compacted backfill material. The geogrid <br /> should lay level over the compacted backfill (not at any discernable angle). Pull the grid taut and <br /> stake it to hold it in place as you begin to backfill over it. Fill to the top of the second course of <br /> blocks,compacting as necessary. When finished,you will have two courses of block with a layer <br /> of grid between,a 4'high wall, and you will be ready for the next layer of grid.. Continue <br /> building in 4' lifts, alternating grid and block,until maximum wall height is reached. NOTE:you <br /> will now being laying down two layers of grid for every two layers of block. <br /> UPI <br /> GEOGRID <br /> '.6 -GEOGRID Precast concrete "Stone <br /> -roYCYI�' 3r . Terra" system, Number al <br /> courses varies to suit wall <br /> height. <br /> 2'—O" LEVELLING PAD <br /> NOTE: Take care to align the grid properly to the wall so that the strength direction of the grid is <br /> perpendicular to the wall face. Generally,the grid will be rolled back from the blocks(behind the <br /> face of the wall)and cut to the proper reinforcement length. In other words,grid cannot be <br /> rolled along the length of the wall,parallel to the wall face. Check with your grid manufacturer <br /> if you are unsure about proper grid installation. <br />