014529TestLabServ.pdf
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- 36C78623B0029
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This document outlines testing laboratory services required for the Elko National Cemetery construction project. The Department of Veterans Affairs National Cemetery Administration is soliciting testing services for earthwork compaction, concrete materials, asphalt paving, masonry, structural steel, and other construction activities. Testing requirements include field density tests, aggregate and concrete sampling, compressive strength cylinder casting and curing, slump and air content measurement, and inspection of reinforcement, formwork, and welding. Laboratories must meet accreditation standards and submit qualifications, inspection reports, and test results to the Contracting Officer's Representative.
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ELKO NATIONAL CEMETERY BID DOCUMENTS
CEMETERY DEVELOPMENT PHASE 1 CONSTRUCTION 5/5/2023
VA PROJECT NO. 943-001
TESTING LABORATORY SERVICES
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SECTION 01 45 29
TESTING LABORATORY SERVICES
PART 1 - GENERAL
1.1 DESCRIPTION
A. This section specifies materials testing activities and inspection services required during project construction to be provided by a
Testing Laboratory retained and paid for by Contractor. Refer to
Section 01 00 00, GENERAL REQUIREMENTS, for additional information.
1.2 RELATED DOCUMENTS
A. Section 01 00 00, GENERAL REQUIREMENTS.
1.3 APPLICABLE PUBLICATIONS
A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by the basic designation only. Comply with applicable provisions and recommendations of the following, except as otherwise shown or specified.
B. American Association of State Highway and Transportation Officials
(AASHTO):
T27-11 Sieve Analysis of Fine and Coarse Aggregates
T96-02(R2006) Resistance to Degradation of Small-Size Coarse
Aggregate by Abrasion and Impact in the Los
Angeles Machine
T99-10 The Moisture-Density Relations of Soils Using a
2.5 Kg (5.5 lb.) Rammer and a 305 mm (12 in.)
Drop
T104-99(R2007) Soundness of Aggregate by Use of Sodium Sulfate or Magnesium Sulfate
T180-10 Moisture-Density Relations of Soils using a
4.54 kg (10 lb.) Rammer and a 457 mm (18 in.)
Drop
T191-02(R2006) Density of Soil In-Place by the Sand-Cone
Method
C. American Society for Testing and Materials (ASTM):
A325-10 Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength
A370-12a Definitions for Mechanical Testing of Steel
Products
A490-12 Heat Treated Steel Structural Bolts, 150 ksi
Minimum Tensile Strength
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C31/C31M-12 Making and Curing Concrete Test Specimens in the Field
C33/C33M-13 Concrete Aggregates
C39/C39M-12 Compressive Strength of Cylindrical Concrete
Specimens
C109/C109M-12 Compressive Strength of Hydraulic Cement
Mortars
C138/C138M-12a Unit Weight, Yield, and Air Content
(Gravimetric) of Concrete
C140-13 Sampling and Testing Concrete Masonry Units and
Related Units
C143/C143M-12 Slump of Hydraulic Cement Concrete
C172/C172M-10 Sampling Freshly Mixed Concrete
C173/C173M-12 Air Content of freshly Mixed Concrete by the
Volumetric Method
C780-12a Pre-construction and Construction Evaluation of
Mortars for Plain and Reinforced Unit Masonry
C1019-11 Sampling and Testing Grout
C1064/C1064M-12 Freshly Mixed Hydraulic Cement Concrete
C1077-13 Agencies Testing Concrete and Concrete
Aggregates for Use in Construction and Criteria for Laboratory Evaluation
C1314-12 Compressive Strength of Masonry Prisms
C1364-10b Architectural Cast Stone
D698-12 Laboratory Compaction Characteristics of Soil
Using Standard Effort
D1143/D1143M-07 Deep Foundations Under Static Axial Compressive
Load
D1188-07 Bulk Specific Gravity and Density of Compacted
Bituminous Mixtures Using Paraffin-Coated
Specimens
D1556-07 Density and Unit Weight of Soil in Place by the
Sand-Cone Method
D1557-12 Laboratory Compaction Characteristics of Soil
Using Modified Effort
D2166-06 Unconfined Compressive Strength of Cohesive
Soil
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D2167-08 Density and Unit Weight of Soil in Place by the
Rubber Balloon Method
D2216-10 Laboratory Determination of Water (Moisture)
Content of Soil and Rock by Mass
D2974-07 Moisture, Ash, and Organic Matter of Peat and
Other Organic Soils
D3666-11 Minimum Requirements for Agencies Testing and
Inspection Bituminous Paving Materials
D3740-12a Minimum Requirements for Agencies Engaged in
Testing and/or Inspection of Soil and Rock
E94-04(2010) Radiographic Examination
E164-08 Contact Ultrasonic Testing of Weldments
E329-11c Agencies Engaged in Construction Inspection, Testing, or Special Inspection
E543-13 Agencies Performing Nondestructive Testing
E709-08 Guide for Magnetic Particle Testing
E1155-96(2008) Determining FF Floor Flatness and FL Floor
Levelness Numbers
D. American Welding Society (AWS):
D1.1-07 Structural Welding Code-Steel
1.4 REQUIREMENTS
A. Accreditation Requirements: Testing Laboratory retained and paid for by
Contractor must be accredited by one or more of the National Voluntary
Laboratory Accreditation Program (NVLAP) programs acceptable in the geographic region for the project. Furnish to the COR a copy of the
Certificate of Accreditation and Scope of Accreditation. For testing laboratories that have not yet obtained accreditation by a NVLAP program, submit an acknowledgement letter from one of the laboratory accreditation authorities indicating that the application for accreditation has been received and the accreditation process has started, and submit to the COR for approval, certified statements, signed by an official of the testing laboratory attesting that the proposed laboratory, meets or conforms to the ASTM standards listed below as appropriate to the testing field.
1. Laboratories engaged in testing of construction materials must meet the requirements of ASTM E329.
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2. Laboratories engaged in testing of concrete and concrete aggregates must meet the requirements of ASTM C1077.
3. Laboratories engaged in testing of bituminous paving materials must meet the requirements of ASTM D3666.
4. Laboratories engaged in testing of soil and rock, as used in engineering design and construction, must meet the requirements of
ASTM D3740.
5. Laboratories engaged in inspection and testing of steel, stainless steel, and related alloys will be evaluated according to ASTM A880.
6. Laboratories engaged in non-destructive testing (NDT) must meet the requirements of ASTM E543.
7. Laboratories engaged in Hazardous Materials Testing must meet the requirements of OSHA and EPA.
B. Inspection and Testing: Testing laboratory to inspect materials and workmanship and perform tests described herein and additional tests requested by COR. When it appears materials furnished, or work performed by Contractor fail to meet construction contract requirements, Testing Laboratory must direct attention of RE/COR to such failure.
C. Written Reports: Testing laboratory to submit test reports to COR and
Contractor within 24 hours after each test is completed unless other arrangements are agreed to in writing by the COR. Submit reports of tests that fail to meet construction contract requirements on colored paper.
D. Verbal Reports: Give verbal notification to COR immediately of any irregularity.
E. Electronic documentation: Provide COR with electronic documentation of all testing, both organized and labeled by date and specification of work.
PART 2 - PRODUCTS (NOT USED)
PART 3 - EXECUTION
3.1 EARTHWORK
A. General: The Testing Laboratory is to provide qualified personnel, materials, equipment, and transportation as required to perform the services identified/required herein, within the agreed to schedule and/or time frame. The work to be performed is as identified herein including, but not be limited to, the following:
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1. Observe fill and subgrades during proof-rolling to evaluate suitability of surface material to receive fill or base course.
Provide recommendations to the RE/COR regarding suitability or unsuitability of areas where proof-rolling was observed. Where unsuitable results are observed, witness excavation of unsuitable material and recommend to RE/COR extent of removal and replacement of unsuitable materials and observe proof-rolling of replaced areas until satisfactory results are obtained.
2. Provide full time observation of fill placement and compaction and field density testing in building areas containing structure foundations and provide full time observation of fill placement and compaction and field density testing in pavement areas to verify that earthwork compaction obtained is in accordance with contract documents.
3. Provide supervised geotechnical technician to inspect excavation, subsurface preparation, and backfill for structural fill.
B. Testing Compaction:
1. Determine maximum density and optimum moisture content for each type of fill, backfill and subgrade material used, in compliance with
ASTM D698 and/or ASTM D1557.
2. Make field density tests in accordance with the primary testing method following ASTM D2922 wherever possible. Field density tests utilizing ASTM D1556 AASHTO T191, or ASTM D2167 to be utilized on a case by case basis only if there are problems with the validity of the results from the primary method due to specific site field conditions. Should the testing laboratory propose these alternative methods, they must provide satisfactory explanation to the RE/COR before the tests are conducted.
a. Building Slab Subgrade: At least one test of subgrade for every
185 m2 (2000 square feet) of building slab, but in no case fewer than three tests. In each compacted fill layer, perform one test for every 185 m2 (2000 square feet) of overlaying building slab, but in no case fewer than three tests.
b. Foundation Wall Backfill: One test per 30 m (100 feet) of each layer of compacted fill but in no case fewer than two tests.
c. Pavement Subgrade: One test for each 335 m2 (400 square yards), but in no case fewer than two tests.
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d. Curb, Gutter, and Sidewalk: One test for each 90 m (300 feet), but in no case fewer than two tests.
e. Trenches: One test at maximum 30 m (100 foot) intervals per 1200 mm (4 foot) of vertical lift and at changes in required density, but in no case fewer than two tests.
f. Footing Subgrade: At least one test for each layer of soil on which footings will be placed. Subsequent verification and approval of each footing subgrade may be based on a visual comparison of each subgrade with related tested subgrade when acceptable to RE/COR. In each compacted fill layer below wall footings, perform one field density test for every 30 m (100 feet) of wall. Verify subgrade is level, all loose or disturbed soils have been removed, and correlate actual soil conditions observed with those indicated by test borings.
g. Structural Fills: Compaction testing required per ASTM D-698 and verified meeting at least 95% of the maximum dry density.
C. Testing for Footing Bearing Capacity: Evaluate if suitable bearing capacity material is encountered in footing subgrade.
D. Testing Materials: Test suitability of on-site and off-site borrow as directed by RE/COR.
3.2 LANDSCAPING
A. Test topsoil for organic materials, pH, phosphate, potash content, and gradation of particles.
1. Test for organic material by using ASTM D2974.
2. Determine percent of silt, sand, clay, and foreign materials such as rock, roots, and vegetation.
3. Test for moisture absorption capacity.
B. Submit laboratory test report of topsoil to RE/COR.
C. Submit recommendations for soil amendments, from a regional soil conservation service or cooperative extension, to bring soil into compliance with minimum parameters in these specifications.
3.3 ASPHALT CONCRETE PAVING
A. Aggregate Base Course:
1. Determine maximum density and optimum moisture content for aggregate base material in accordance with Nevada DOT.
2. Make a minimum of three field density tests on each day's final compaction on each aggregate course in accordance with ASTM D1556.
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3. Sample and test aggregate as necessary to insure compliance with specification requirements for gradation, wear, and soundness as specified in the applicable state highway standards and specifications.
B. Asphalt Concrete:
1. Aggregate: Sample and test aggregates in stock pile and hot-bins as necessary to insure compliance with specification requirements for gradation (AASHTO T27), wear (AASHTO T96), and soundness Nevada DOT.
2. Temperature: Check temperature of each load of asphalt concrete at mixing plant and at site of paving operation.
3. Density: Make a minimum of two field density tests in accordance with ASTM D1188 of asphalt base and surface course for each day's paving operation.
3.4 SITE WORK CONCRETE
A. Test site work concrete including materials for concrete as required in
Article CONCRETE of this section.
3.5 CONCRETE
A. Batch Plant Inspection and Materials Testing:
1. Perform continuous batch plant inspection until concrete quality is established to satisfaction of RE/COR with concurrence of
Contracting Officer and perform periodic inspections thereafter as determined by COR.
2. Periodically inspect and test batch proportioning equipment for accuracy and report deficiencies to COR.
3. Sample and test mix ingredients as necessary to insure compliance with specifications.
4. Sample and test aggregates daily and as necessary for moisture content. Test the dry rodded weight of the coarse aggregate whenever a sieve analysis is made, and when it appears there has been a change in the aggregate.
5. Certify, in duplicate, ingredients and proportions and amounts of ingredients in concrete conform to approved trial mixes. When concrete is batched or mixed off immediate building site, certify
(by signing, initialing or stamping thereon) on delivery slips
(duplicate) that ingredients in truck-load mixes conform to proportions of aggregate weight, cement factor, and water-cement ratio of approved trial mixes.
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B. Field Inspection and Materials Testing:
1. Provide an ACI Certified Field technician, Grade 1 for the entire placement at all times to perform concrete sampling and testing.
2. Review the delivery and batch tickets of the ready-mix concrete trucks arriving on-site. Notify the Contractor if the concrete cannot be placed within the specified time limits or if the type of concrete delivered is incorrect. Reject any loads that do not comply with the Specification requirements. Rejected loads are to be removed from the site at the Contractor’s expense. Any rejected concrete that is placed will be subject to removal.
3. Take concrete samples at point of placement in accordance with ASTM
C172. Mold and cure compression test cylinders in accordance with
ASTM C31. Make at least three cylinders for each 40 m3 (50 cubic yards) or less of each concrete type, and at least three cylinders for any one day's pour for each concrete type. After good concrete quality control has been established and maintained as determined by
RE/COR make three cylinders for each 80 m3 (100 cubic yards) or less of each concrete type, and at least three cylinders from any one day's pour for each concrete type. Label each cylinder with an identification number. COR may require additional cylinders to be molded and cured under job conditions.
4. Perform slump tests in accordance with ASTM C143. Test the first truck each day, and every time test cylinders are made. Test pumped concrete at the hopper and at the discharge end of the hose at the beginning of each day’s pumping operations to determine change in slump.
5. Determine the air content of concrete per ASTM C173. For concrete required to be air-entrained, test the first truck and every 20 m3
(25 cubic yards) thereafter each day. For concrete not required to be air-entrained, test every 80 m3 (100 cubic yards) at random. For pumped concrete, initially test concrete at both the hopper and the discharge end of the hose to determine change in air content.
6. If slump or air content fall outside specified limits, make another test immediately from another portion of same batch.
7. Perform unit weight tests in compliance with ASTM C138 for normal weight concrete. Test the first truck and each time cylinders are made.
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8. Notify laboratory technician at batch plant of mix irregularities and request materials and proportioning check.
9. Verify that specified mixing has been accomplished.
10. Environmental Conditions: Determine the temperature per ASTM C1064 for each truckload of concrete during hot weather and cold weather concreting operations:
a. When ambient air temperature falls below 4.4 degrees C (40 degrees F), record maximum and minimum air temperatures in each
24 hour period; record air temperature inside protective enclosure; record minimum temperature of surface of hardened concrete.
b. When ambient air temperature rises above 29.4 degrees C (85 degrees F), record maximum and minimum air temperature in each 24 hour period; record minimum relative humidity; record maximum wind velocity; record maximum temperature of surface of hardened concrete.
11. Inspect the reinforcing steel placement, including bar size, bar spacing, top and bottom concrete cover, proper tie into the chairs, and grade of steel prior to concrete placement. Submit detailed report of observations including photographs of reinforcing steel in place prior to concrete placement. Photographs shall comply with specifications identified within 01 00 02 General Requirements.
12. Observe conveying, placement, and consolidation of concrete for conformance to specifications.
13. Observe condition of formed surfaces upon removal of formwork prior to repair of surface defects and observe repair of surface defects.
14. Observe curing procedures for conformance with specifications, record dates of concrete placement, start of preliminary curing, start of final curing, end of curing period.
15. Observe preparations for placement of concrete:
a. Inspect handling, conveying, and placing equipment, inspect vibrating and compaction equipment.
b. Inspect preparation of construction, expansion, and isolation joints.
16. Observe preparations for protection from hot weather, cold weather, sun, and rain, and preparations for curing.
17. Observe concrete mixing:
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a. Monitor and record amount of water added at project site.
b. Observe minimum and maximum mixing times.
18. Measure concrete flatwork for levelness and flatness as follows:
a. Perform Floor Tolerance Measurements FF and FL in accordance with
ASTM E1155. Calculate the actual overall F- numbers using the inferior/superior area method.
b. Perform all floor tolerance measurements within 48 hours after slab installation and prior to removal of shoring and formwork.
c. Provide the Contractor and the RE/COR with the results of all profile tests, including a running tabulation of the overall FF and FL values for all slabs installed to date, within 72 hours after each slab installation.
19. Inspect cast-in-place concrete formwork for foundations and foundation/monument stem prior to concrete being cast.
a. Measure elevations, dimensions, and confirm locations or faces, widths, and top surfaces.
b. Inspect location of steel embedments to ensure coordination with precast components.
20. Other inspections:
a. Welding of steel embed attachments between cast-in-place and precast elements.
b. Installation of post-erection/expansion/epoxy anchorages from cast-in-place foundation to precast elements.
c. Grouting under base plates.
d. Grouting anchor bolts and reinforcing steel in hardened concrete.
C. Laboratory Tests of Field Samples:
1. Test compression test cylinders for strength in accordance with ASTM
C39. For each test series, test one cylinder at 7 days and one cylinder at 28 days. Use remaining cylinder as a spare tested as directed by RE/COR. Compile laboratory test reports as follows:
Compressive strength test to be the result of one cylinder, except when one cylinder shows evidence of improper sampling, molding or testing, in which case it must be discarded and strength of spare cylinder to be used.
2. Furnish certified compression test reports (duplicate) to RE/COR. In test report, indicate the following information:
a. Cylinder identification number and date cast.
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b. Specific location at which test samples were taken.
c. Type of concrete, slump, and percent air.
d. Compressive strength of concrete in MPa (psi).
e. Weather conditions during placing.
f. Temperature of concrete in each test cylinder when test cylinder was molded.
g. Maximum and minimum ambient temperature during placing.
h. Ambient temperature when concrete sample in test cylinder was taken.
i. Date delivered to laboratory and date tested.
3.6 REINFORCEMENT
A. Review mill test reports furnished by Contractor.
B. Make one tensile and one bend test in accordance with ASTM A370 from each pair of samples obtained.
C. Written report must include, in addition to test results, heat number, manufacturer, type and grade of steel, and bar size.
D. Perform tension tests of mechanical and welded splices in accordance with ASTM A370.
3.7 MASONRY
A. Mortar Tests:
1. Laboratory compressive strength test:
a. Comply with ASTM C780.
b. Obtain samples during or immediately after discharge from batch mixer.
c. Furnish molds with 50 mm (2 inch), 3 compartment gang cube.
d. Test one sample at 7 days and 2 samples at 28 days.
2. Two tests during first week of operation; one test per week after initial test until masonry completion.
B. Grout Tests:
1. Laboratory compressive strength test:
a. Comply with ASTM C1019.
b. Test one sample at 7 days and 2 samples at 28 days.
c. Perform test for each 230 m2 (2500 square feet) of masonry.
C. Masonry Unit Tests:
1. Laboratory Compressive Strength Test:
a. Comply with ASTM C140.
b. Test 3 samples for each 460 m2 (5000 square feet) of wall area.
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D. Prism Tests: For each type of wall construction indicated, test masonry prisms per ASTM C1314 for each 460 m2 (5000 square feet) of wall area.
Prepare one set of prisms for testing at 7 days and one set for testing at 28 days.
E. Field Inspection and Materials Testing:
1. Verify the following prior to grouting:
a. Grout space is clean.
b. Type, spacing, and placement of reinforcement, connectors, and anchors comply with the contract requirements.
3.8 STRUCTURAL STEEL
A. General: Provide shop and field inspection and testing services to certify structural steel work is done in accordance with contract documents. Conform to AWS D1.1 Structural Welding Code for welding.
B. Prefabrication Inspection:
1. Review design and shop detail drawings for size, length, type and location of all welds to be made.
2. Approve welding procedure qualifications by pre-qualification or by witnessing qualifications tests.
3. Approve welder qualifications by certification or retesting.
4. Approve procedure for control of distortion and shrinkage stresses.
5. Approve procedures for welding in accordance with applicable sections of AWS D1.1.
C. Fabrication and Erection:
1. Weld Inspection:
a. Inspect welding equipment for capacity, maintenance and working condition.
b. Verify specified electrodes and handling and storage of electrodes in accordance with AWS D1.1.
c. Inspect preparation and assembly of materials to be welded for conformance with AWS D1.1.
d. Inspect preheating and interpass temperatures for conformance with AWS D1.1.
e. Measure 25 percent of fillet welds.
f. Welding Magnetic Particle Testing: Test in accordance with ASTM
E709 for a minimum of:
1) 20 percent of all shear plate fillet welds at random, final pass only.
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2) 20 percent of all continuity plate and bracing gusset plate fillet welds, at random, final pass only.
3) 100 percent of tension member fillet welds (i.e., hanger connection plates and other similar connections) for root and final passes.
4) 20 percent of length of built-up column member partial penetration and fillet welds at random for root and final passes.
5) 100 percent of length of built-up girder member partial penetration and fillet welds for root and final passes.
g. Welding Ultrasonic Testing: Test in accordance with ASTM E164 and
AWS D1.1 for 100 percent of all full penetration welds, braced and moment frame column splices, and a minimum of 20 percent of all other partial penetration column splices, at random.
h. Welding Radiographic Testing: Test in accordance with ASTM E94, and AWS D1.1 for 5 percent of all full penetration welds at random.
i. Verify that rejected welds corrections are made in accordance with AWS D1.1.
j. Testing and inspection do not relieve the Contractor of the responsibility for providing materials and fabrication procedures in compliance with the specified requirements.
2. Bolt Inspection:
a. Inspect high-strength bolted connections in accordance AISC
Specifications for Structural Joints Using ASTM A325 or A490
Bolts.
b. Slip-Critical Connections: Inspect 10 percent of bolts, but not less than 2 bolts, selected at random in each connection in accordance with AISC Specifications for Structural Joints Using
ASTM A325 or A490 Bolts. Inspect all bolts in connection when one or more are rejected.
c. Fully Pre-tensioned Connections: Inspect 10 percent of bolts, but not less than 2 bolts, selected at random in 25 percent of connections in accordance with AISC Specification for Structural
Joints Using ASTM A325 or A490 Bolts. Inspect all bolts in connection when one or more are rejected.
01 45 29 - 14
d. Bolts installed by turn-of-nut tightening may be inspected with calibrated wrench when visual inspection was not performed during tightening.
e. Snug Tight Connections: Inspect 10 percent of connections verifying that plies of connected elements have been brought into snug contact.
f. Inspect field erected assemblies; verify locations of structural steel for plumbness, level, and alignment.
D. Submit inspection reports, record of welders and their certification, and identification, and instances of noncompliance to COR.
3.9 STEEL DECKING
A. Provide field inspection of welds of metal deck to the supporting steel, and testing services to insure steel decking has been installed in accordance with contract documents and manufacturer’s requirements.
B. Qualification of Field Welding: Qualify welding processes and welding operators in accordance with “Welder Qualification” procedures of AWS
D1.1. Refer to the “Plug Weld Qualification Procedure” in Part 3 “Field
Quality Control.”
C. Submit inspection reports, certification, and instances of noncompliance to COR.
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