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Home My WebLink AboutDRC-2025-001495 CLIVE SITE LETTER OF TRANSMITTAL DATE: 5/6/2025 ATTN: LLRW CC; Treesa Parker Karen Kirkwood RE: Transmittal 2025-026 Description of Documents Transmitted Qty See attached updates for GWQDP. Groundwater Permit Appendix C, Construction QA Plan for Collection Lysimeter 1 Construction. ------------------------------------------------------------------------------------------------------------ Please replace your current procedure revisions with the documents within this Transmittal. You are not required to sign any documents to verify receipt of this distribution. However, you should make every effort to ensure that your copy of the License is current. FROM: EnergySolutions Document Control Clive Facility 05/06/2025 GWQDP - Appendix C - 1/9/2004 05/06/2025 GWQDP - Appendix C - 1/9/2004 05/06/2025 GWQDP - Appendix C - 1/9/2004 05/06/2025 GWQDP - Appendix C - 1/9/2004 05/06/2025 GWQDP - Appendix C - 1/9/2004 05/06/2025 GWQDP - Appendix C - 1/9/2004 05/06/2025 GWQDP - Appendix C - 1/9/2004 CQA Plan for Collection Lysimeter Construction Revision 2 Authored By: Date Reviewed By: Date Approved By Date Approved By Date Electronic documents, once printed, are uncontrolled and may become outdated. Refer to the Intraweb or the Document Control authority for the correct revision. CQA Plan for Collection Lysimeter Construction Page 2 of 16 Table of Contents Section Page 1. PURPOSE ................................................................................................................3 2. SCOPE .....................................................................................................................3 3. DEFINITIONS .........................................................................................................3 4. RESPONSIBILITIES ..............................................................................................4 5. GENERAL ...............................................................................................................5 6. PROCEDURE ..........................................................................................................6 7. REFERENCES ........................................................................................................7 8. ATTACHMENTS ....................................................................................................8 CQA Plan for Collection Lysimeter Construction Page 3 of 16 1.0 PURPOSE To establish the material specifications, construction specifications, quality control and quality assurance requirements that shall be used to ensure that construction and inspection activities of the Collection Lysimeter(s) comply with applicable State and Federal regulations and approved design criteria. 2.0 SCOPE This Construction Quality Assurance (CQA) Collection Lysimeter Plan applies to all aspects of Collection Lysimeter (Lysimeter) construction activities for EnergySolutions, Inc at the South Clive Disposal Facility. This plan addresses responsibilities, design criteria, inspections and testing, requirements and frequencies, documentation, and acceptance criteria associated with Earthwork, HDPE Liner, Piping, Geotextile, and Manhole installation activities of a lysimeter. 3.0 DEFINITIONS Clearing and Grubbing The removal of vegetation, debris, organic, or deleterious material from areas to be excavated for construction of cells. Grubbing depth will depend on the type of vegetation, debris, organic, or deleterious material on the site. Documentation (Document) Any written or pictorial information describing, defining, specifying, reporting, or certifying activities, requirements, procedures, or results. HDPE Liner A synthetic membrane having a water permeability less than 1X10-12 cm/sec, used to line the lysimeter sump. Geotextile Any permeable woven textile used with foundation, soil, rock, earth, or any other geotechnical engineering related material as an integral part of a man-made project, structure, or system. Inspection Frequency Inspection activities established in this plan are minimum requirements. Additional inspections or tests shall be performed any time it is deemed necessary by Quality Control, Quality Assurance Specialist, Clive Quality Assurance Manager (CQAM), or the Clive Facility Engineer. Lysimeter CQA Plan for Collection Lysimeter Construction Page 4 of 16 A component of the LLRW embankment installed below the embankment clay liner. It is designed to monitor liquids that may permeate the cover system, waste column, and embankment clay liner. The collected liquid can then be quantified and analyzed. Quality Control Those quality assurance activities/actions necessary to provide a means to control and measure the characteristics of an item, process, or facility to established requirements. Quality Record A completed document that furnishes evidence of the quality of items and/or activities affecting quality. For the purpose of this plan, a document is considered a quality assurance record when the quality related document has been completed and validated by the Quality Control Technician. Subgrade The soil prepared and compacted to support a structure, lysimeter or a pavement system. Vendor Data Supplier-furnished data that may be required by the contractor or purchase order; e.g.; drawings, operating and performance data, wiring diagrams, motor data, maintenance and operation control systems and procedures, test reports and procedures, personnel qualifications and certification, material certifications and fabrication techniques. Witness Point Designated points in embankment construction where the Quality Assurance and/or the Utah Division of Waste Management and Radiation Control (UDWMRC) shall randomly monitor, observe, inspect, review, or test the operation. 4.0 RESPONSIBILITIES 4.1 The Clive Facility Engineer is responsible for design, design changes, as- built reports, and the overall specification and inspection requirements of this CQA Plan. 4.2 The Site Engineer has the overall responsibility for the construction of the lysimeter including direction of the contractor(s) and may also work as the Clive Facility Engineer. 4.3 The Quality Control Supervisor has the overall responsibility for the implementation of the quality control inspection activities. CQA Plan for Collection Lysimeter Construction Page 5 of 16 4.4 The Quality Assurance Specialist reports to the Clive Quality Assurance Manager and is responsible for hold and witness points, and surveillance activities that address inspections, observations, and documentation review, as applicable. The Quality Assurance Specialist is also responsible for any required notifications to the UDWMRC. 4.5 The Quality Control Technician is responsible for implementing and/or directing inspection activities, and review and approval of inspection and testing records. 4.6 The Quality Control Inspector(s) are responsible for field surveillance and adhering to the inspection and testing requirements of this project plan and may also be known as a Quality Control Technician. These individuals report to the Quality Control Supervisor. 4.7 The Engineering Technical Assistant is responsible for maintaining the construction quality assurance records and transmitting those records to Document Control and may include those reporting to the Clive Facility Engineer and/or the Quality Control Supervisor. 4.8 Document Control is responsible for maintenance of the embankment construction quality records in accordance with CL-QA-PR-005, Quality Assurance Records. 5.0 GENERAL 5.1 EnergySolutions, Inc. shall perform all construction inspections under the direction the Site Engineer. 5.2 Design Changes shall be handled in accordance with CL-EN-PR-001, Engineering Design Control. 5.3 All personnel, including the contractor, shall be trained to the requirements of this document. All other applicable personnel qualifications shall be performed in accordance with the CL-TN-PR-010 General Qualification Procedure. 5.4 All measuring and test equipment shall be calibrated in accordance with CL-QA-WI-120, Control of M&TE. 5.5 Specific design, construction, and quality requirements are identified in the attachments to this CQA plan. 5.6 The Clive Facility Engineer shall issue a unique Collection Lysimeter Detail drawing, approved for construction, for each lysimeter project. This drawing is required in addition to Drawing 0210-01, LLRW Embankments CQA Plan for Collection Lysimeter Construction Page 6 of 16 Collection Lysimeter Details, (Attachment 8.5) which only provides lysimeter construction details. 5.7 The contractor shall be notified of testing results that do not meet the specifications. Failing areas shall be reworked and retested. 6.0 PROCEDURE Note: The following can occur simultaneously. 6.1 Earthwork 6.1.1 The earthwork (excavation) for the project shall be to the lines, grades, and dimensions established by the Approved for Construction Project Drawings. Earthwork for the Project encompasses excavations for the lysimeter sump, pipe trench, and the manhole. See Attachment 8.1, Earthwork for specifications. 6.1.2 Quality Assurance testing and inspection requirements (e.g. methods, frequencies, acceptance criteria) for the specified design criteria are delineated in Attachment 8.1, Earthwork Requirements. 6.2 Lysimeter Sump 6.2.1 The construction of the lysimeter sump includes the installation of the compacted Clay layer, HDPE, Geotextile, gravel, and sand. Note: This sump construction is also inclusive of the piping (perforated and non-perforated) and pipe boot installation that penetrates under and into the lysimeter sump. 6.2.2 The design, material, and construction requirements are delineated in Attachment 8.2 Sump Requirements. The piping aspects of the sump are defined in Attachment 8.3, Piping Requirements. Additional details are specified in the Approved for Construction Project Drawings. 6.2.3 The compacted clay layer shall be completely constructed and approved prior to any excavation for the pipe trench into the sump. After piping installation into the sump, the compacted clay layer shall be replaced, inspected and approved in accordance with Attachment 8.2 Sump Requirements. . Note: These are Witness Points and the Quality Assurance Specialist shall be notified. CQA Plan for Collection Lysimeter Construction Page 7 of 16 6.2.4 Quality Assurance testing and inspection requirements (e.g. methods, frequencies, acceptance criteria) for the specified design criteria are delineated in Attachment 8.2, Sump Requirements and Attachment 8.3, Piping Requirements. 6.3 Lysimeter Piping 6.3.1 The design, material, and construction requirements for the piping installation are specified in Attachment 8.3, Piping Requirements. Additional details are specified in the Approved for Construction Project Drawings. 6.3.2 Quality Assurance testing and inspection requirements (e.g. methods, frequencies, acceptance criteria) for the specified design criteria are delineated in Attachment 8.3, Piping Requirements. 6.4 Lysimeter Manhole 6.4.1 The design, material, and construction requirements for the piping installation are specified in Attachment 8.4, Manhole Requirements. Additional details are specified in the Approved for Construction Project Drawings. 6.4.2 Quality Assurance testing and inspection requirements (e.g. methods, frequencies, acceptance criteria) for the specified design criteria are delineated in Attachment 8.4, Manhole Requirements. 6.5 Records 6.5.1 All records generated to support construction quality and compliance of the embankment shall be maintained in accordance with CL-QA- PR-005, Quality Assurance Records. 6.6 Vendor Data 6.6.1 The contractor is responsible for submitting vendor data to EnergySolutions’ Quality Assurance Department for any and all procured material(s) specified for construction. 6.7 Surveillance 6.7.1 Surveillance activities shall be performed by the CQAM or designee in accordance with ES-QA-PR-002, Quality Assurance Surveillance. 6.8 Construction Certification Report CQA Plan for Collection Lysimeter Construction Page 8 of 16 6.8.1 Within 30 days of completion of the construction of each lysimeter, a construction certification report shall be prepared under the direction of the Clive Facility Engineer and submitted to the UDWMRC for approval. 7.0 REFERENCES 7.1 CL-QA-PR-005, Quality Assurance Records 7.2 CL-QA-WI-120, Control of Measuring and Test Equipment 7.3 CL-EN-PR-001, Engineering Design Control 7.4 CL-TN-PR-010, General Qualification Procedure 7.5 ES-QA-PR-002, Quality Assurance Surveillances 7.6 CL-QC-PR-002, CQA QC Forms. 8.0 ATTACHMENTS 8.1 Attachment 8.1, Earthwork Requirements– Page 9 of 22 8.2 Attachment 8.2, Lysimeter Sump Installation Requirements Page 10 of 22 8.3 Attachment 8.3, Piping Installation Requirements – Page13 of 22 8.4 Attachment 8.4, Manhole Installation Requirements – Page15 of 22 8.5 Attachment 8.5, Collection Lysimeter Details, Drawing NO. 0210-01, Revision 1 - Page16 of 16 CQA Plan for Collection Lysimeter Construction Earthwork Attachment 8.1 Page 9 of 16 SUMP EXCAVATION: The subgrade for the collection lysimeter sump shall be excavated to at least 1.0-foot below the compacted clay layer elevation shown on Drawing 0210-01. Survey the elevation of the compacted subgrade at the 4 bottom and 4 top corners of the sump side slopes. Perform the required survey of the compacted subgrade and attach the reviewed and approved survey notes to the Daily Construction Report (CL-QC-PR-002-F2). SUMP SUBGRADE COMPACTION: The subgrade shall be compacted to at least 90 percent of the Standard Proctor (ASTM D698) maximum dry density. Perform at least one Standard Proctor (ASTM D698) moisture-density relationship at a rate of one test per soil type. Proctor results for representative samples taken for embankment foundation QC testing may be utilized. Conduct in-place moisture-density tests in accordance with ASTM D-6938 at a rate of one test per sump. Perform the required testing. Include the related standard proctor results in the project file. Record the results of the density testing on the Field Density Test form (CL-QC- PR-002-F5). PIPE TRENCH EXCAVATION: The pipe trench shall be excavated to at least 0.5 foot below pipe grade. The trench width shall be at least 3feet wide. Measure the trench width at a minimum of three places over the length of the trench using a commercial grade tape measure. Survey the subgrade elevation at the bottom of the pipe trench. Survey points shall be less than or equal to 50-feet apart. Perform the required survey of the pipe trench excavation and attach the reviewed and approved survey notes to the Daily Construction Report(CL-QC-PR-002-F2). Measure the trench width and document the results on the Daily Construction Report(CL-QC-PR-002-F2). MANHOLE EXCAVATION: The manhole excavation shall extend to at least 0.67 foot below the bottom-of-manhole grade shown on Drawing 0210-01. Survey the subgrade elevation at one point near the center of the manhole. Perform the survey of the manhole subgrade elevation and attach the reviewed and approved survey notes to the Daily Construction Report(CL-QC-PR-002-F2). CQA Plan for Collection Lysimeter Construction Sump Attachment 8.2 Page 10 of 16 COMPACTED CLAY LAYER: Place the compacted clay layer to the elevation shown on Drawing 0210-01. The compacted clay layer shall be placed in 12-inch maximum loose lifts compacted to at least 90 percent of the Standard Proctor (ASTM D698) maximum dry density. Perform at least one Standard Proctor (ASTM D698) moisture-density relationship at a rate of one test per soil type. Proctor results for representative samples taken for embankment clay layer QC testing may be utilized. Conduct in-place moisture-density tests in accordance with ASTM D-6938 at a rate of one test per sump. Measure the loose thickness of each lift using one grade pole near the center of each lift. Record the results of the density testing on the Field Density Test form(CL-QC-PR-002-F5) . Perform the required lift thickness measurement and document the results on Daily Construction Report(CL- QC-PR-002-F2) . COMPACTED CLAY SURVEY: Survey the elevation of the completed compacted clay layer at the 4 bottom and 4 top corners of the sump side slopes. Grade tolerance shall be grade to 0.2-foot below grade. The completed compacted clay layer surface shall not have breaks in grade greater than 1 inch and be free of sharp edges or rocks. Perform the final elevation survey of the compacted clay layer and attach the reviewed and approved survey notes to the Daily Construction Report(CL-QC-PR-002-F2) . Visually inspect the final surface for breaks in grade, sharp edges or rocks in accordance with the specifications and document results on the Daily Construction Report(CL-QC-PR-002-F2) . WITNESS POINT: The Compacted Clay Surface shall be inspected by the Quality Assurance Specialist or designee prior to the surface being covered. HDPE LINER MATERIAL REQUIREMENTS: The lysimeter sump shall be lined with a 60-mil HDPE liner. The contractor shall provide the unique roll identification number and the liner manufacturer’s QC certificate(s) of physical properties for the roll of liner used. Review the certificates for compliance with the specification. Perform the required inspection. Attach the certificates to the Daily Construction Report(CL-QC-PR-002-F2) . GEOTEXTILE MATERIAL REQUIREMENTS: The geotextile cushion and filter layers shall consist of 8- ounce non-woven geotextile with a minimum mass per unit area of 7.0-ounces per square yard (7.0 oz/sy). The contractor shall provide certification documentation that the supplied material meets the above criteria. Obtain the supplied documentation and attach to the Daily Construction Report(CL-QC-PR-002-F2) . HDPE LINER INSTALLATION: Place the HDPE liner on the compacted clay layer and extend the perimeter edges of the liner at least 0.5 foot beyond the top of the sump side slopes. Secure any lifted edges of the liner to the ground. Repair or patch any damage, holes, seams or relief cuts within the sump using standard fusion or extrusion welding methods in accordance with standard industry practice. Vacuum test Observe the liner installation for conformance to the specifications. Notify contractor of any deficiencies requiring correction. Observe corrective measures and Document results on the Daily Construction Report(CL- QC-PR-002-F2) . CQA Plan for Collection Lysimeter Construction Sump Attachment 8.2 Page 11 of 16 any seams or repairs in accordance with ASTM D5641. The contractor shall provide all testing documentation to the QC Inspector. Construct the pipe boot as shown on Drawing 0210-01 and in accordance with ASTM D6497. GRAVEL GRADATION MATERIAL REQUIREMENTS: The gravel shall meet the following gradation: 100% passing a 1½ -inch sieve, 0 to 55% passing a 3/8-inch sieve, and 0 to 10% passing a No. 4 sieve. The gravel shall be tested in accordance with ASTM C136 prior to use. Gradation results obtained from representative samples taken for embankment or concrete QC testing may be utilized. Perform the required testing. Document the gradation on the Soil Classification Form(CL-QC-PR-002-F8) . Include documentation of the gradation testing in the project file. Provide written justification for the use of representative samples on the Daily Construction Report(CL-QC-PR- 002-F2) GRAVEL THICKNESS: A 0.9 to 1.0 foot thick layer of gravel shall be placed around the perforated pipe in the collection lysimeter as shown on Drawing No. 0210- 01. Measure the thickness of the gravel layer with at least one grade pole near the center of the sump. Compaction of the gravel layer is not required. Perform the required thickness measurement of the gravel layer and document the results in the Daily Construction Report(CL-QC-PR-002-F2) . SAND GRADATION MATERIAL REQUIREMENTS: The sand shall meet the following gradation: 100 percent passing a 3/4" sieve, 55 to 100 percent passing a No. 8 sieve, 20 to 65 percent passing a No. 30 sieve, and 0 to 15 percent passing a No. 100 sieve. The sand shall be tested in accordance with ASTM C136 prior to use. Gradation results obtained from representative samples taken for embankment or concrete QC testing may be utilized. Perform the required testing. Document the gradation on the Soil Classification Form(CL-QC-PR-002-F8) . Include documentation of the gradation testing in the project file. Provide written justification for the use of representative samples on the Daily Construction Report(CL-QC-PR- 002-F2) SAND THICKNESS: A 0.9 to 1.0 foot thick sand layer will be placed above the gravel layer as shown on Drawing No. 0210-01. Measure the thickness of the sand layer with at least one grade pole near the center of the sump. Compaction of the sand layer is not required. Perform the required thickness measurement of the sand layer and document the results in the Daily Construction Report(CL-QC-PR-002-F2) . GEOTEXTILE PLACEMENT: Place at least one layer of geotextile on the HDPE liner prior to gravel placement, above the gravel prior to sand placement, and above the sand prior to compacted clay layer placement as shown on Drawing No. 0210-01. Each component, including the perforated pipe shall be completely covered by the geotextile. Verify that the placement of the lysimeter sump components meets specifications and document results in the Daily Construction Report(CL-QC-PR-002-F2) . GEOTEXTILE SURVEY: Survey the top elevation of the completed sump installation at the center and 4 corners of the sump. The top elevation of the completed sump shall not exceed the clay liner foundation grade of the disposal cell. Perform the required survey of the top elevations at the center and 4 corners of the completed sump installation. attach the reviewed and approved survey notes to the Daily Construction Report(CL-QC-PR-002-F2) . CQA Plan for Collection Lysimeter Construction Piping Installation Attachment 8.3 Page 12 of 16 PIPE MATERIAL REQUIREMENTS: All pipe and fittings shall consist of Schedule 80 PVC (ASTM D1785), except that the pipe and fittings inside of the collection manhole may alternatively consist of Schedule 40 PVC. The pipe within the lysimeter sump shall have 1/2-inch diameter holes at 4-inches on-center on both sides of the pipe as shown on Drawing 0210-01. All pipe and fittings shall be joined using PVC cement recommended by the pipe manufacturer. Perform the required inspections and document the results in the Daily Construction Report(CL-QC-PR- 002-F2) . GRANULAR BEDDING MATERIAL REQUIREMENTS: Granular bedding shall meet the following gradation: 100 % passing the 1½ inch sieve, 50 to 100% passing the ¾ inch sieve, 0 to 55 % passing the 3/8 inch sieve, and 0 to 10% passing the No. 4 sieve. The granular bedding shall be tested in accordance with ASTM C136 prior to use. Gradation results obtained from representative samples taken for embankment or concrete QC testing may be utilized. Perform the required testing. Document the gradation on the Soil Classification Form(CL-QC-PR-002-F8) . Include documentation of the gradation testing in the project file. Provide written justification for the use of representative samples on the Daily Construction Report(CL-QC-PR- 002-F2) PIPE BEDDING INSTALLATION: Place granular bedding to within  0.1 foot of pipe grade and survey the trench bedding elevation. Survey points shall be less than or equal to 50-feet apart. Perform the required survey of the granular bedding and attach the reviewed and approved survey notes to the Daily Construction Report(CL-QC-PR-002-F2) . PIPE JOINING: Place pipe sections on graded bedding and glue all joints using PVC cement. All pipe and fittings shall utilize socket type joints using PVC cement recommended by the pipe manufacturer. Inspect pipe connection for presence of PVC cement and document the results in the Daily Construction Report (CL-QC-PR-002-F2) . PIPE BEDDING INFILL: Place granular bedding to at least 0.5 feet above the crown of the pipe. Observe that bedding is placed as required above the crown of the pipe and document the results in the Daily Construction Report(CL-QC-PR-002-F2) . PIPE TRENCH BACKFILL: Trench backfill, excluding the wedge beneath the sump, shall consist of granular bedding, or of native soils excavated from the pipe trench. If granular bedding is used as trench backfill, the final 1.0  0.2-foot thick lift shall consist of native soils. All clay and native soils shall be placed in 1.0  0.2-foot thick loose lifts. Compact all lifts to at least 90 percent of a Standard Proctor (ASTM D698) maximum dry density. Perform at least one Standard Proctor (ASTM D698) moisture-density relationship at a rate of one test per soil type. Proctor results for representative samples taken for embankment clay liner QC testing may be utilized. Conduct in-place moisture- density tests in accordance with ASTM D6938 at a rate of one test per 100 feet of trench for each lift of clay and/or native soil backfill. Perform the required testing. Include the related standard proctor results in the project file. Record the results of the density testing on the Field Density Test form(CL-QC-PR-002-F5) . Provide written justification for the use of representative samples on the Daily Construction Report(CL-QC-PR- 002-F2) CQA Plan for Collection Lysimeter Construction Piping Installation Attachment 8.3 Page 13 of 16 Compaction testing of granular bedding material is not required. BACKFILL LIFT THICKNESS: Measure the loose lift thickness of clay and native soil backfill with grade poles at a spacing less than or equal to 50-feet apart. Perform the required thickness measurement and document the results on the Daily Construction Report(CL-QC-PR-002-F2) . BACKFILL UNDER SUMP: The wedge of trench backfill below the sump shall also consist of compacted clay. All clay and native soils shall be placed in 1.0  0.2 foot thick loose lifts compacted to at least 90% of the Standard Proctor maximum dry density (ASTM D698) at a rate of one test per soil type. Proctor results for representative samples taken for embankment clay liner QC testing may be utilized. Conduct in-place moisture- density tests in accordance with ASTM D6938.at a rate of one test per lift of clay backfill. Perform the required testing. Include the related standard proctor results in the project file. Record the results of the density testing on the Field Density Test form(CL-QC-PR-002-F5) . Record the results of the lift thickness measurements on the Daily Construction Report(CL-QC-PR-002-F2) . WITNESS POINT: The Compacted Clay Surface in the sump shall be inspected by the Quality Assurance Specialist or designee prior to the surface being covered. CQA Plan for Collection Lysimeter Construction Manhole Installation Attachment 8.4 Page 14 of 16 GRANULAR BEDDING MATERIAL REQUIREMENTS: Granular bedding shall meet the following gradation: 100 % passing the 1½ inch sieve, 50 to 100% passing the ¾ inch sieve, 0 to 55 % passing the 3/8 inch sieve, and 0 to 10% passing the No. 4 sieve. The granular bedding shall be tested in accordance with ASTM C136 prior to use. Gradation results obtained from representative samples taken for embankment or concrete QC testing may be utilized. Perform the required testing. Document the gradation on the Soil Classification Form(CL-QC-PR-002-F8) . Include documentation of the gradation testing in the project file. Provide written justification for the use of representative samples on the Daily Construction Report(CL-QC-PR- 002-F2) GRANULAR BEDDING INSTALLATION: Place at least one 0.67foot thick lift of granular bedding on the subgrade prior to placing the base section of the manhole. Measure the bedding thickness with at least one grade pole near the center of the manhole. Compaction testing of the granular bedding layer is not required. Perform the required measurement of the granular bedding and document results on the Daily Construction Report(CL-QC-PR-002-F2) . MANHOLE MATERIAL REQUIREMENTS: The manhole base and riser sections shall consist of precast concrete with a full-height ladder. The precast manhole sections and ladder shall conform to ASTM C478. The contractor shall provide written evidence that the ASTM requirements are met. Inspect manhole riser section for the presence of ladder rungs and good general condition. Document results of the inspection on the Daily Construction Report(CL-QC- PR-002-F2) and attach the applicable vendor data. SEALANTS: Assemble the manhole sections and seal each joint using preformed flexible joint sealant or a similar product (ASTM C990). Seal the pipe penetration on each side of the manhole wall using Quikrete® Mortar Mix or similar Portland cement mortar mix or a manufacturer specified pipe boot. Inspect the assembled manhole riser joints for the presence of sealant. Inspect pipe penetrations for the presence of mortar mix or a pipe boot around the pipe. Document the results of the inspections on the Daily Construction Report(CL-QC-PR-002-F2) . BACKFILL: The backfill within 3-feet of the manhole shall consist of granular bedding to a level greater than or equal to 5-feet below final grade. The final 5-feet of backfill shall consist of clay placed in 1.0  0.1-foot thick loose lifts compacted to at least 90% of the Standard Proctor maximum dry density (ASTM D698) at a rate of one test per soil type. All other backfill may consist of granular bedding, clay or native soils excavated from the manhole excavation. Native soil and clay backfill shall be placed in 1.0  0.1 foot thick loose lifts compacted to at least 90% of the Standard Proctor maximum dry density (ASTM D698) at a rate of one test per soil type. Proctor results for representative samples taken for embankment clay liner QC testing may be utilized. Conduct in-place moisture-density tests in accordance with ASTM D6938 at a rate of one test per soil type. Perform the required testing. Include the related standard proctor results in the project file. Record the results of the density testing on the Field Density Test form(CL-QC-PR-002-F5) . Record the results of the lift thickness measurements on the Daily Construction Report(CL-QC-PR-002-F2) . Provide written justification for the use of representative samples on the Daily Construction Report (CL-QC-PR-002-F2) CQA Plan for Collection Lysimeter Construction Manhole Installation Attachment 8.4 Page 15 of 16 Measure the loose lift thickness of clay and native soil backfill with at least one grade pole per lift. Compaction testing of granular bedding material is not required. FINAL INSPECTION: A final inspection of the project shall be conducted and documented by the QC Supervisor or designee prior to acceptance of the work. Perform final inspection and document results. Notify contractor of any corrective actions required and repeat inspection until all discrepancies are corrected. CQA Plan for Collection Lysimeter Construction Lysimeter Details Drawing 0210-01 (Revision 1) Attachment 8.5 Page 16 of 16