VA 01 45 29-2012 TESTING LABORATORY SERVICES.pdf

1、06-01-12 01 45 29 - 1 SECTION 01 45 29 TESTING LABORATORY SERVICES MODIFICATION 06-01-12 UPDATE OF STANDARDS Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-06-01-12 01 45 29 - 2 SECTION 01 45 29 TESTING LABORATORY SERVICES SPEC WRITER NOTES: 1. Dele

2、te between / - / if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. 2. Contact VA to determine the type of project and then adjust this section accordingly as follows: Central Office projects, except small projects, utiliz

3、e VA retained testing laboratory services. VAMC Projects and small Central Office projects, utilize contractor retained testing laboratory services. PART 1 - GENERAL 1.1 DESCRIPTION: This section specifies materials testing activities and inspection services required during project construction to b

4、e provided by a Testing Laboratory / retained by Department of Veterans Affairs / retained and paid for by Contractor /. 1.2 APPLICABLE PUBLICATIONS: A. The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic

5、 designation only. B. American Association of State Highway and Transportation Officials (AASHTO): T027-11 Sieve Analysis of Fine and Coarse Aggregates T096-02 (R2006) Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine T099-10 The Moisture-Dens

6、ity 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 So

7、il In-Place by the Sand-Cone Method C. American Concrete Institute (ACI): 506.4R-94 (R2004) Guide for the Evaluation of Shotcrete Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-06-01-12 01 45 29 - 3 D. American Society for Testing and Materials (AST

8、M): A325-10 Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength A370-10 Definitions for Mechanical Testing of Steel Products A416/A416M-10 Steel Strand, Uncoated Seven-Wire for Prestressed Concrete A490-10 Heat Treated Steel Structural Bolts, 150 ksi Minimum Tensile Strength

9、C31/C31M-10 Making and Curing Concrete Test Specimens in the Field C33-11 . Concrete Aggregates C39/C39M-10 Compressive Strength of Cylindrical Concrete Specimens C109/C109M-08 Compressive Strength of Hydraulic Cement Mortars C138-10 Unit Weight, Yield, and Air Content (Gravimetric) of Concrete C140

10、-10 Sampling and Testing Concrete Masonry Units and Related Units C143/C143M-10 Slump of Hydraulic Cement Concrete C172-10 Sampling Freshly Mixed Concrete C173-10 Air Content of freshly Mixed Concrete by the Volumetric Method C330-09 Lightweight Aggregates for Structural Concrete C567-11 Density Str

11、uctural Lightweight Concrete C780-10 Pre-construction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry C1019-11 . Sampling and Testing Grout C1064/C1064M-08 Freshly Mixed Portland Cement Concrete C1077-10 . Laboratories Testing Concrete and Concrete Aggregates for Use in

12、Construction and Criteria for Laboratory Evaluation C1314-10 . Compressive Strength of Masonry Prisms D698-07 Laboratory Compaction Characteristics of Soil Using Standard Effort D1143-07 . Piles Under Static Axial Compressive Load D1188-07 . Bulk Specific Gravity and Density of Compacted Bituminous

13、Mixtures Using Paraffin-Coated Specimens D1556-07 . Density and Unit Weight of Soil in Place by the Sand-Cone Method Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-06-01-12 01 45 29 - 4 D1557-09 . Laboratory Compaction Characteristics of Soil Using

14、Modified Effort D2166-06 . Unconfined Compressive Strength of Cohesive Soil 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 D2922-04 . Density of soil and Soil-Aggregate in Place

15、 by Nuclear Methods (Shallow Depth) 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 D3740-11 . Minimum Requirements for Agencies Engaged in the Testing and Inspecting Road and

16、 Paving Material E94-04 (R2010) . Radiographic Testing E164-08 Ultrasonic Contact Examination of Weldments E329-11 Agencies Engaged in Construction Inspection and/or Testing E543-09 Agencies Performing Non-Destructive Testing E605-93(R2011) . Thickness and Density of Sprayed Fire-Resistive Material

17、(SFRM) Applied to Structural Members E709-08 Guide for Magnetic Particle Examination E1155-96(R2008) Determining FF Floor Flatness and FL Floor Levelness Numbers E. American Welding Society (AWS): D1.1-10 Structural Welding Code-Steel 1.3 REQUIREMENTS: A. Accreditation Requirements: Construction mat

18、erials testing laboratories must be accredited by a laboratory accreditation authority and will be required to submit a copy of the Certificate of Accreditation and Scope of Accreditation. The laboratorys scope of accreditation must include the appropriate ASTM standards (i.e.; E 329, C 1077, D 3666

19、, D3740, A 880, E 543) listed in the technical sections of the specifications. Laboratories engaged in Hazardous Materials Testing shall meet the requirements of OSHA and EPA. The policy applies to the specific laboratory performing the actual testing, not just the “Corporate Office.” B. Inspection

20、and Testing: Testing laboratory shall inspect materials and workmanship and perform tests described herein and additional tests requested by Resident Engineer. When it appears materials furnished, or Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-06

21、-01-12 01 45 29 - 5 work performed by Contractor fail to meet construction contract requirements, Testing Laboratory shall direct attention of Resident Engineer to such failure. C. Written Reports: Testing laboratory shall submit test reports to Resident Engineer, Contractor, unless other arrangemen

22、ts are agreed to in writing by the Resident Engineer. Submit reports of tests that fail to meet construction contract requirements on colored paper. D. Verbal Reports: Give verbal notification to Resident Engineer immediately of any irregularity. PART 2 - PRODUCTS (NOT USED) PART 3 - EXECUTION 3.1 E

23、ARTHWORK: A. General: The Testing Laboratory shall 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 shall be as identified herein and shall i

24、nclude but not be limited to the following: 1. Observe fill and subgrades during proof-rolling to evaluate suitability of surface material to receive fill or base course. Provide recommendations to the Resident Engineer regarding suitability or unsuitability of areas where proof-rolling was observed

25、. Where unsuitable results are observed, witness excavation of unsuitable material and recommend to Resident Engineer extent of removal and replacement of unsuitable materials and observe proof-rolling of replaced areas until satisfactory results are obtained. SPEC WRITER NOTE: Adjust the following

26、requirements to include applicable conditions for specific project. Weigh the requirement for full time observation and costs. 2. Provide / full time / part time / observation of fill placement and compaction and field density testing in building areas and provide / full time / part time / observati

27、on 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. Tes

28、ting Compaction: 1. Determine maximum density and optimum moisture content for each type of fill, backfill and subgrade material used, in compliance with / Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-06-01-12 01 45 29 - 6 AASHTO / T99/T180 / Meth

29、od A / / ASTM / D698 / D1557 / Method A / ASTM D698 and/or ASTM D1557. 2. Make field density tests in accordance with the primary testing method following ASTM D2922 / AASHTO T238 / wherever possible. Field density tests utilizing ASTM D1556 / AASHTO T191 /, or / ASTM D2167 / shall be utilized on a

30、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 should provide satisfactory explanation to the Resident Engineer before the tests are co

31、nducted. SPEC WRITER NOTE: Include only applicable types of construction. Rates are for typical project; adjust for individual project. 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 compac

32、ted 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 e

33、ach 335 m2 (400 square yards), but in no case fewer than two tests. 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 densi

34、ty, 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

35、Resident Engineer. 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. C. Test

36、ing 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 Resident Engineer. Provided by IHSNot for ResaleNo reproduction or networking permitted without li

37、cense from IHS-,-,-06-01-12 01 45 29 - 7 3.2 FOUNDATION PILES: SPEC WRITER NOTE: Verify that test piles are required and location is shown. A. Witness load test procedure for conformance with ASTM D1143 and interpret test data to verify geotechnical recommendations for pile capacity. Submit load tes

38、t report in accordance with ASTM D1143. B. Review Contractors equipment, methods, and procedures prior to starting any work on site. Provide continuous inspection of pile installation. Maintain a record of all pertinent phases of operation for submittal to Resident Engineer. /C. Auger-Placed Piles:

39、Take and test samples of grout in accordance with ASTM C109 for conformance with specified strength requirements. Not less than six cubes shall be made for each day of casting. Test three cubes at 7 days and three at 28 days. / /D. Cast-in-Place Concrete Piles: Test concrete including materials for

40、concrete as required in Article CONCRETE of this section, except make two test cylinders for each days production of each strength of concrete produced. / /E. Prestressed Concrete Piles: 1. Inspection at Plant: Inspect forms, placement of reinforcing steel and strands, placement and finishing of con

41、crete, and tensioning of strands. 2. Concrete Testing: Test concrete including materials for concrete as required in Article, CONCRETE of this section, except make two test cylinders for each days production of each strength of concrete produced. 3. Test strand for conformance with ASTM A416/A416M a

42、nd furnish report to Resident Engineer. 4. Inspect piles to insure specification requirements for curing and finishes have been met. / 3.3 FOUNDATION CAISSONS: A. Concrete Testing: Test concrete including materials for concrete as required in Article, CONCRETE of this section, except make two test c

43、ylinders for each days placement of concrete. B. Maintain a record of concrete used in each caisson. Compare records with calculated volumes. C. Inspect percussion hole in bottom of each caisson to determine that material is capable of supporting design load. D. Inspect sides and bottom of each cais

44、son for compliance with contract documents. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-06-01-12 01 45 29 - 8 E. Submit a certified “Caisson Field Record” for each caisson, recording actual elevation at bottom of shaft; final center line location

45、 of top; variation of shaft from plumb; results of all tests performed; actual allowable bearing capacity of bottom; depth of socket into rock; levelness of bottom; seepage of water; still water level (if allowed to flood); variation of shaft (from dimensions shown); location and size of reinforceme

46、nt, and evidence of seams, voids, or channels below the bottom. Verify the actual bearing capacity of the rock strata by the use of a calibrated penetrometer or other acceptable method. SPEC WRITER NOTE: Delete below if only rock bearing. Revise test requirements to suit project. Coordinate probe de

47、pth with hardpan layer thickness. Do not let the probe penetrate into the next soil strata below, especially if water bearing, sandy layer is below. F. Caissons Bearing on Hardpan: Take undisturbed samples, suitable for tests required, from caisson bottom. Make auger probe to a depth of 2.5 meters (

48、8 feet) below bottom and visually inspect and classify soil. Verify continuity of strata and thickness. 1. Conduct the following test on each sample, and report results and evaluations to the Resident Engineer: a. Unconfined Compression Test (ASTM D2166). b. Moisture Content (ASTM D2216). c. Density

49、. SPEC WRITER NOTE: Verify need for topsoil testing with Landscape Architect. Additional soil testing for pesticides, fertilizers, and other chemicals should be incorporated based upon discussion with the Landscape Architect. 3.4 LANDSCAPING: A. Test topsoil for organic materials, pH, phosphate, potash content, and gradation of particles. 1. Test for organi