1. Function: Properly creates void space around the upper portion of the drilled pier at its intersection with the grade beam.

2. Description: Pre-manufactured, non-field-cut, sealed carton void form, secured with glue (with or without staples), having a curved, radial, vertically-supported edge adjacent to the drilled pier that conforms to the pier diameter.

3. Composition:

a. Exterior: Corrugated paper with a moisture-resistant outer surface.

b. Interior: Corrugated paper arranged in a uniform, cellular configuration.


4. Strength: Capable of sustaining specified vertical loads until they become self-supporting, while maintaining full void depth as indicated on the drawings, or as recommended by the manufacturer.

5. Accessories: Used in conjunction with permanent soil retainers that prevent soil from entering into the specified void space after the structural degradation of the void form.

6. Installation: Install in accordance with the manufacturer's recommendations. Protect carton void forms from moisture and damage prior to concrete placement.

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