If additional rebar is required, place it into the grouted cells in conjunction with the stacking of fence post blocks.Consolidate the grout or concrete with a concrete vibrator.Next, fill the fence posts with grout or concrete mix in lifts not to exceed the 6 courses.The 2 x 12 fence post spacer can be used by sliding it through the fence panel area.Shim and adjust as necessary and brace as required.
Always double check for alignment and plumb. Stack additional fence post blocks in maximum of 6 courses or 4 ft (1.2 m) lifts.Check for proper elevation from one fence post to the next using a laser level or leveled string line.When errors in spacing occur on fence post layout, adjustments should be confined to the fence panel between the two incorrect fence posts. Use the 2 x 12 fence post spacer shown in Figure 4 to help keep the fence post blocks square and aligned.Check the fence post blocks for level in all directions, and in a straight line from pile to pile, using a string line for reference.Set the first AB Fence Post Block on each pile and/or on a mortar bed.Mortar must be the same strength or greater than the concrete mix used to fill the fence post block. A mortar bed may be required during the installation of the first fence post block to achieve a consistent starting elevation.(25 mm) thick, to achieve consistent starting elevation. Fence post blocks may be placed on a mortar bed, a maximum of 1.0 in.Using a laser level, check the elevation of each hardened post pile.If the engineer wants to design the bottom bond beam as simply supported between pile caps, both the bottom bond beam and the concrete pile caps must be evaluated and designed accordingly. Furthermore the bottom bond beam is not designed as a simply supported beam between concrete piles. It must be level and well compacted as it is supporting the entire weight of the panel uniformly over its length. Note: The compacted aggregate base is very important. Check base for level using a hand level and screed.
Use a mechanical plate compactor, or other acceptable means, to compact the aggregate.Screed the aggregate from pile to pile to create a level base for the fence panel.If a concrete leveling pad is used, provide expansion material between the ends of the pad and the sides of the piles. In place of the compacted aggregate base, an unreinforced concrete leveling pad can be used.
(152 mm) of wellgraded, granular compactible aggregate.
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