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4.2.1. Rolls exhibiting damage shall be marked and set aside for closer examination <br /> during deployment. <br /> 4.2.2. Minor rips or tears in the plastic packaging shall be repaired with moisture <br /> resistant tape prior to being placed in storage to prevent moisture damage. <br /> 4.2.3. GCL rolls delivered to the project site shall be only those indicated on GCL <br /> manufacturing quality control certificates. <br /> 4.3. Storage/Stockpiling_/Staging- Storage of the GCL rolls shall be the responsibility of <br /> the installer or other designated party. All GCL rolls shall be stock-piled and <br /> maintained dry in a flat location area away from high-traffic areas but sufficiently <br /> close to the active work area to minimize handling. <br /> For needlepunched GCLs, the presence of free-flowing water within the packaging <br /> shall require that roll to be set aside for further examination to ascertain the extent of <br /> damage, if any. Free-flowing water within the packaging of unreinforced GCLs shall <br /> be cause for rejection of that roll. <br /> 4.3.1. GCL should be stored no higher than three to four rolls high or limited to the <br /> height at which the handling apparatus may be safely handled by installation <br /> personnel. Stacks or tiers of rolls should be situated in a manner that prevents <br /> sliding or rolling by "choking"the bottom layer of rolls. <br /> 4.3.2. Rolls shall not be stacked on uneven or discontinuous surfaces in order to <br /> prevent bending, deformation, damage to the GCL or cause difficulty inserting <br /> the core pipe. <br /> 4.3.3. An additional tarpaulin or plastic sheet shall be used over the stacked rolls to <br /> provide extra protection for GCL material stored outdoors. <br /> 4.3.4. Bagged bentonite material shall be stored and tarped next to GCL rolls unless <br /> other more protective measures are available. Bags shall be stored on pallets <br /> or other suitably dry surface which will prevent undue prehydration. <br /> 4.4. Manufacturing Quality Assurance Documentation- Third party GCL MQA sampling <br /> and testing for compliance with this specification shall be coordinated by the third <br /> party CQA inspector as necessary to support the manufacturer's MQC data. <br /> 4.5. Subgrade Preparation - The surfaces upon which the GCL shall be suitable for the <br /> placement of GCL material, subject to the applicable section of this specification <br /> (Earthen - 4.5.1 or Geosynthetic - 4.5.2). <br /> 4.5.1. Earthen Sub r ade - The surface upon which the GCL material will be installed <br /> shall be inspected by the CQA inspector and certified by the earthwork <br /> contractor to be in accordance with the requirements of this specification. <br /> 4.5.1.1. The subgrade soil shall be well graded containing no gravel greater <br /> than 2 inches and no sharp stones larger than 0.75 inches. <br /> 4.5.1.2. In applications where the GCL is the sole barrier and will be subjected <br /> to a hydraulic head that exceeds the confining stress, subgrade surfaces <br /> consisting of gravel or granular soils may not be appropriate due to <br /> their large void content. For these applications,the subgrade will <br /> contain no sharp stones greater than 0.75 in. <br /> Bentofix Drop-In Specification Bentofix is a registered trademark ofNAUE GmbH&Co.KG <br /> 8 RI/13/06 <br />