325.04 Separator Fabric for Bases
319.06 Basis of Payment
The Department will pay for each pay item at the contract unit price per the specified pay unit as follows: Pay Item: Pay Unit:
A.OPEN -GRADED BITUMINOUS BASE Square Yard [Square Meter]
B.OPEN -GRADED PORTLAND CEMENT CONCRETE BASE Square Yard [Square Meter] The Department will pay for Prime Coat in accordance with Section 408, "Prime Coat."
325.01 Description
This work consists of installing a separator fabric for bases.
325.02 Materials
Provide separator fabric in accordance with Subsection 712.05, "Geotextiles for Bases."
325.03 Equipment — Vacant
325.04 Construction Methods
A.Shipping and Storage Provide separator fabric in wrapper that will protect the fabric from ultraviolet radiation and abrasion from shipping and handling. Label each roll to identify each product for inventory and quality control. In the field, store and protect the fabric rolls from the elements.
B.Installation Before placing fabric, ensure the subgrade is smooth and free of obstructions t hat may damage the fabric. Place the fabric smooth, straight, and free of wrinkles at the locations shown on the Plans. Overlap each transverse joint of fabric (between rolls) with the end of the preceding roll placed above the beginning of the succeeding roll at least 17 in [430 mm]. Place and cover the fabric with base material on the same day. Apply at least 4 in [100 mm] of base material by end dumping. Fill and compact ruts in the base material. Repair damaged fabric in sections that meet the speci fied overlap requirements, at no additional cost to the Department. GEOSYNTHETIC REINFO RCEMENT 326.04
C.Weather Limitations Secure fabric with large nails and washers or with base material if wind disturbs the fabric.
325.05 Method of Measuremen T
The Resident Engineer will measure the are a covered by Separator Fabric after placement, not including overlaps.
325.06 Basis of Payment
The Department will pay for each pay item at the contract unit price per the specified pay unit as follows: Pay Item: Pay Unit: SEPARATOR FABRIC Square Yard [Square Meter] SECTION 326 GEOSYNTHETIC REINFORCEMENT
326.01 Description
This work consists of installing geosynthetic reinforcement material beneath the aggregate base layer in the pavement structure, or beneath the roadway embankment. This includes the use of geogrids and geotextiles. Geotextile is made of synthetic fibers manufactured in a woven or loose nonwoven manner to form a blanket -like product used to reinforce soil and rock. Geogrid is a co ntinuous sheet of net -shaped synthetic material formed by tensile elements that reinforce soil and rock by interlocking.
326.02 Materials
Use geosynthetic reinforcement that is an integrally -formed single layer structure. Provide geogrids in accordance wit h Subsection 712.07, "Geogrid Subgrade Reinforcement of Pavement Structures." Provide geotextiles in accordance with Subsection 712.04, “Geotextiles for Subgrade Reinforcement.” 326. 03 EQUIPMENT — VACANT
326.04 Construction Methods
A.General Label each roll with product identification for inventory and quality control. In the field, protect geosynthetic rolls from the following: Site construction damage, Ultraviolet radiation (inclu ding sunlight for more than 24 hr),
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Source: Oklahoma Standard Specifications for Highway Construction, 2019 Edition. Pages 216–216 of 935. View official source ↗