1、*USACE / NAVFAC / AFCESA / NASA UFGS-02 56 15 (February 2010)-Preparing Activity: USACE SupersedingUFGS-02 56 15 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated April 2010*SECTION TABLE OF CONTENTSDIVISION 02 - EXISTING CONDITIONSSECTION 02 56 15GEOSYNT
2、HETIC CLAY LINER (GCL)02/10PART 1 GENERAL1.1 UNIT PRICES1.2 REFERENCES1.3 SUBMITTAL REQUIREMENTS1.4 SUBMITTALS1.5 QUALIFICATIONS1.5.1 Manufacturer1.5.2 Installer1.5.3 QC Inspector1.5.4 QC Laboratory1.6 DELIVERY, STORAGE, AND HANDLING1.6.1 Delivery1.6.2 Storage1.6.3 Handling1.7 WARRANTYPART 2 PRODUCT
3、S2.1 GCL PROPERTIES2.2 TESTS, INSPECTIONS, AND VERIFICATIONS2.2.1 Manufacturing Sampling and Testing2.2.2 Shear Strength Testing2.2.2.1 Mid-Plane Shear Strength Testing2.2.2.2 Interface Shear Strength TestingPART 3 EXECUTION3.1 SAMPLES AND TESTS3.1.1 Samples3.1.2 Conformance Tests3.2 INSTALLATION3.2
4、.1 Subgrade Preparation3.2.2 Placement3.2.3 Anchor Trench3.2.4 SeamsSECTION 02 56 15 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.2.5 Protection3.3 REPAIRS3.4 PENETRATIONS3.5 COVERING- End of Section Table of Contents -SECTION 02 56 15 Pag
5、e 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-02 56 15 (February 2010)-Preparing Activity: USACE SupersedingUFGS-02 56 15 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UM
6、RL dated April 2010*SECTION 02 56 15GEOSYNTHETIC CLAY LINER (GCL)02/10*NOTE: This guide specification covers the requirements for geosynthetic clay liners.Edit this guide specification for project specific requirements by adding, deleting, or revising text. For bracketed items, choose applicable ite
7、ms(s) or insert appropriate information.Remove information and requirements not required in respective project, whether or not brackets are present.Comments and suggestions on this guide specification are welcome and should be directed to the technical proponent of the specification. A listing of te
8、chnical proponents, including their organization designation and telephone number, is on the Internet.Recommended changes to a UFGS should be submitted as a Criteria Change Request (CCR).*PART 1 GENERAL1.1 UNIT PRICES*NOTE: Delete this paragraph when lump sum bidding is used.*Measurement will be mad
9、e of the total surface area covered by GCL in square m yards as shown on the contract drawings. Final quantities will be based on as-built conditions. Allowance will be made for GCL in anchor and drainage trenches; however, no allowance will be made for waste, overlap, repairs, or materials used for
10、 the convenience of the Contractor. GCL installed and accepted will be paid for at the respective contract unit price in the bidding schedule.SECTION 02 56 15 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1.2 REFERENCES*NOTE: This paragraph i
11、s used to list the publications cited in the text of the guide specification. The publications are referred to in the text by basic designation only and listed in this paragraph by organization, designation, date, and title.Use the Reference Wizards Check Reference feature when you add a RID outside
12、 of the Sections Reference Article to automatically place the reference in the Reference Article. Also use the Reference Wizards Check Reference feature to update the issue dates.References not used in the text will automatically be deleted from this section of the project specification when you cho
13、ose to reconcile references in the publish print process.*The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.ASTM INTERNATIONAL (ASTM)ASTM D 1505 (2003) Density of Plastics by the De
14、nsity-Gradient TechniqueASTM D 5199 (2001; R 2006) Measuring Nominal Thickness of GeosyntheticsASTM D 5261 (1992; R 2009) Measuring Mass Per Unit Area of GeotextilesASTM D 5887 (2009) Measurement of Index Flux Through Saturated Geosynthetic Clay Liner Specimens Using a Flexible Wall PermeameterASTM
15、D 5888 (2006) Storage and Handling of Geosynthetic Clay LinersASTM D 5889 (1997; R 2008) Quality Control of Geosynthetic Clay LinersASTM D 5890 (2006) Swell Index of Clay Mineral Component of Geosynthetic Clay LinersASTM D 5891 (2002) Fluid Loss of Clay Component of Geosynthetic Clay LinersASTM D 59
16、93 (1999; R 2004) Measuring Mass Per Unit of Geosynthetic Clay LinersASTM D 5994 (1998; R 2003) Measuring Core Thickness of Textured GeomembraneSECTION 02 56 15 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASTM D 6072/D 6072M (2009) Obtainin
17、g Samples of Geosynthetic Clay LinersASTM D 6243 (2009) Determining the Internal and Interface Shear Resistance of Geosynthetic Clay Liner by the Direct Shear MethodASTM D 6496 (2004a) Determining Average Bonding Peel Strength Between the Top and Bottom Layers of Needle-Punched Geosynthetic Clay Lin
18、ersASTM D 6768 (2004) Tensile Strength of Geosynthetic Clay LinersASTM D 792 (2008) Density and Specific Gravity (Relative Density) of Plastics by Displacement1.3 SUBMITTAL REQUIREMENTSSubmit manufacturers certified raw and roll material data sheets. If needle punching or stitch bonding is used in c
19、onstruction of GCL, the certification shall indicate that the GCL has been continuously inspected for broken needles using an in-line metal detector and all broken needles have been removed. The certified data sheets shall be attested to by a person having legal authority to bind the GCL manufacturi
20、ng company. Certified test results shall be submitted at least 14 _ working days prior to delivery of the GCL. Submit GCL panel layout and detail drawings, for approval, a minimum of 14 _ days prior to deployment. The following shall also be submitted as specified:a. GCL panel layout and penetration
21、 detail drawings.b. Manufacturers warranty statement.c. Manufacturers quality control (QC) manual which describes testing procedures, frequency of testing and acceptance/rejection criteria for QC testing at least 14 _ days prior to delivery of the GCL. QC samples shall be delivered at the specified
22、frequencies.d. Manufacturers, installers, QC inspectors, and QC laboratorys qualification statements including resumes of key personnel involved in this project.e. Mid-plane and interface shear strength test results at least 14 _ days prior to deployment.f. Independent QC laboratory test results inc
23、luding description of equipment and test methods.g. Certificate of subgrade inspection.1.4 SUBMITTALS*NOTE: Review submittal description (SD) definitions in Section 01 33 00 SUBMITTAL PROCEDURES and edit the following list to reflect only the submittals SECTION 02 56 15 Page 5Provided by IHSNot for
24、ResaleNo reproduction or networking permitted without license from IHS-,-,-required for the project. Submittals should be kept to the minimum required for adequate quality control.A “G” following a submittal item indicates that the submittal requires Government approval. Some submittals are already
25、marked with a “G”. Only delete an existing “G” if the submittal item is not complex and can be reviewed through the Contractors Quality Control system. Only add a “G” if the submittal is sufficiently important or complex in context of the project.For submittals requiring Government approval on Army
26、projects, a code of up to three characters within the submittal tags may be used following the “G“ designation to indicate the approving authority. Codes for Army projects using the Resident Management System (RMS) are: “AE“ for Architect-Engineer; “DO“ for District Office (Engineering Division or o
27、ther organization in the District Office); “AO“ for Area Office; “RO“ for Resident Office; and “PO“ for Project Office. Codes following the “G“ typically are not used for Navy, Air Force, and NASA projects.Choose the first bracketed item for Navy, Air Force and NASA projects, or choose the second br
28、acketed item for Army projects.*Government approval is required for submittals with a “G“ designation; submittals not having a “G“ designation are for Contractor Quality Control approval. information only. When used, a designation following the “G“ designation identifies the office that will review
29、the submittal for the Government. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:SD-02 Shop DrawingsLayout and Detail Drawings; G; G, _SD-03 Product DataGCL PropertiesWarrantyTests, Inspections, and VerificationsQualifications; G; G, _SD-04 SamplesSamplesSD-06 Test Rep
30、ortsTests, Inspections, and VerificationsConformance TestsSubgrade PreparationSECTION 02 56 15 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1.5 QUALIFICATIONS1.5.1 ManufacturerGeosynthetic clay liner shall be the product of a GCL Manufacture
31、r who has produced the proposed GCL using the same bentonite, polyethylene geomembrane, geotextiles, sewing thread, and adhesive for at least 5 completed projects and shall have produced a minimum of 186,000 _ square meters 2,000,000 _ square feet of the proposed GCL.1.5.2 Installer*NOTE: Small proj
32、ects may not require the use of a specialized GCL installer. If a specialized GCL installer will not be required, this paragraph should be omitted and the submittal requirements above edited accordingly.*The installer shall have installed GCL at a minimum of 5 projects of comparable scope and comple
33、xity and shall have installed a minimum of 186,000 _ square meters 2,000,000 _ square feet of the proposed GCL.1.5.3 QC Inspector*NOTE: An independent third party inspector should be considered based on the qualifications of the Government quality assurance personnel, the size and importance of the
34、project, and impacts of a GCL failure. Delete this paragraph if a third party inspector will not be used.*The independent QC inspector is responsible for monitoring and documenting activities related to the QC of the GCL from manufacturing through installation. The QC inspector shall have provided Q
35、C and/or QA inspection during installation of GCL material for at least 5 projects and shall have performed QC and/or QA inspection on a minimum of 186,000 _ square meters 2 _ million square feet of GCL.1.5.4 QC LaboratoryAn independent QC laboratory is responsible for QC GCL testing. The QC laborat
36、ory shall have provided QC and/or QA testing of GCL for at least 5 completed projects and shall have performed QC and or QA testing for a minimum of 186,000 _ square meters 2 _ million square feet of GCL. The QC laboratory shall be accredited via the Geosynthetic Accreditation Institutes Laboratory
37、Accreditation Program (GAI-LAP).1.6 DELIVERY, STORAGE, AND HANDLINGDelivery, storage, and handling of GCL shall be in accordance with ASTM D 5888.SECTION 02 56 15 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1.6.1 DeliveryThe Contracting Off
38、icer shall be present during unloading of the GCL. Rolls shall be packaged in an opaque, waterproof, protective covering and wrapped around a central core. Tears in the packaging shall be repaired to restore a waterproof protective barrier around the GCL. Unloading of rolls from the delivery vehicle
39、s shall be done in a manner that prevents damage to the GCL and its packaging.1.6.2 StorageField storage shall be in flat dry areas where water cannot accumulate and the GCL rolls can be protected from damage. Storage of the rolls on blocks or pallets will not be allowed unless the GCL rolls are ful
40、ly supported as approved by the Contracting Officer. Stacks of GCL rolls shall be no greater than three high. Rolls shall be covered with a water proof tarpaulin or plastic sheet if stored outdoors.1.6.3 HandlingDuring handling, rolls shall not be dragged, lifted by one end, dropped to the ground, o
41、r otherwise damaged. A pipe or solid bar of sufficient strength to support the full weight of the roll without significant bending shall be used for all unloading and handling activities. If recommended by the manufacturer, a sling handling method utilizing appropriate loading straps may be used.1.7
42、 WARRANTY*NOTE: Several manufacturers should be contacted to determine what length of warranty is available for GCL materials and installation. Manufacturers provide prorated material warranties ranging from 1 to 30 years depending on the application. Installation warranties are generally specified
43、as 1 to 2 years in length.*The manufacturers warranty shall state that the GCL materials meet all requirements of the contract documents and that for the intended use, the GCL is warranted for _ years against deterioration. The installers warranty shall state that the GCL shall not fail due to improper installation within _ years.PART 2 PRODUCTS2.1 GCL PROPERTIES*NOTE: Test method ASTM D 5887 is an index test used to determine the flux rate of water through a GCL specimen. If a contaminated fluid will contact the GCL, co
