624.1 Description. This work shall consist of installing geotextile for use in subsurface drainage, in erosion
control, as a permeable separator or as otherwise specified.
624.2 Material. All material shall be in accordance with Division 1000, Material Details, and specifically as
follows: Item Section Geotextile 1011
624.3 Construction Requirements. Geotextile shall be placed in accordance with AASHTO M 288 for the
appropriate application.
624.4 Method of Measurement. Geotextile used for lining drain trenches, wrapping drain pipe or for control of
piping through structural joints and facing panels will not be separately measured. Geotextile used for other purposes will be measured to the nearest square yard of surface area covered without regard to any overlap.
624.5 Basis of Payment. Geotextile used for lining drain trenches, wrapping drain pipe or for control of piping
through structural joints and facing panels will be considered as incidental and will be included in the contract unit price for the drain or structure. The accepted quantity of geotextile used for other purposes will be paid for at the contract unit price for each of the pay items included in the contract. No direct payment will be made for securing pins or other incidental items.
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