Exhibit J 01 45 29 Testing Laboratory Services.pdf

FBOP TECHNICAL DESIGN GUIDELINES Construction & Environmental Review

FOR NEW INSTITUTION CONSTRUCTION SECTION REVISION DATE: 03-01-21

TESTING LABORATORY SERVICES 01 45 29-1

Sensitive But Unclassified – SBU

SECTION 01 45 29 – TESTING LABORATORY SERVICES

PART 1 - GENERAL

1.1 SUMMARY

A. The Contractor shall select, employ, and pay for services of an independent commercial testing laboratory to perform inspections and testing.

1.2 RELATED SECTIONS AND DOCUMENTS

A. Drawings and general provisions of contract and other Division 01 Requirements apply to these Requirements.

B. Related Sections:

1. Individual Specification Sections: Refer to the technical sections for additional inspections and tests required, frequency of tests, and standards for testing.

2. Section 01 45 33 – CODE-REQUIRED SPECIAL INSPECTIONS

AND PROCEDURES.

1.3 SUBMITTALS (Not used)

1.4 REFERENCES AND/OR CODES

A. American Society for Testing and Materials (ASTM):

1. ASTM C1077 – Laboratories Testing Concrete and Concrete Aggregates for Use in Construction and Criteria for Laboratory Evaluation.

2. D 3740 – Standard Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction.

3. E 329 – Standard Specification for Agencies Engaged in the Testing and/or Inspection of Materials used on Construction.

4. E 543 – Evaluating Agencies that Perform Nondestructive Testing.

TESTING LABORATORY SERVICES 01 45 29-2

B. ICC International Building Code (IBC)

1.5 SYSTEM DESCRIPTION (Not used)

1.6 DEFINITIONS (Not used)

1.7 QUALITY ASSURANCE (Not used)

1.8 WARRANTY (Not used)

1.9 GENERAL REQUIREMENTS

A. Provide inspections, tests and other services listed in this Requirement and specified in individual specification sections.

B. Employment of testing laboratory shall in no way relieve Contractor of obligation to perform Work in accordance with requirements of Contract Documents.

C. Where terms "Laboratory," "Inspector," “Special Inspector”, "Inspection Laboratory," or "Testing Laboratory" are used, they mean and refer to officially designated and accredited testing laboratory.

D. Where term "Geotechnical Consultant" is used, it means and refers to Contractor's officially designated and accredited geotechnical consultant or geotechnical laboratory.

1.10 LABORATORY QUALIFICATIONS

A. Meet requirements of "Recommended Requirements for Independent Laboratory Qualification," published by American Council of Independent Laboratories.

B. Laboratories engaged in testing of concrete aggregates shall meet the requirements of ASTM C 1077.

C. Laboratories engaged in testing of soil and rock, as used in engineering design and construction, shall meet the requirements of ASTM D 3740.

D. Laboratories engaged in inspection and testing of steel, stainless steel, and related alloys will be evaluated according to ASTM A 880.

Laboratories shall meet the requirements of ASTM E 329.

TESTING LABORATORY SERVICES 01 45 29-3

E. Laboratories engaged in nondestructive testing (NDT) shall meet the requirements of ASTM E 543.

F. Employ a full-time registered engineer on staff to review and supervise services.

G. Employ personnel, with a minimum of five (5) years’ experience with the equipment and type of field and laboratory tests and inspections to be performed, to perform the services.

H. Authorized to operate in the state where project is located; having had at least five (5) years of experience.

I. Testing equipment regularly calibrated at intervals recommended for the devices, with devices of accuracy certified or equally traceable either to National Institute of Standards and Technology (NIST) or accepted values of natural physical constants.

1.11 LIMITS OF LABORATORY AUTHORITY

A. Laboratory and inspection personnel are not authorized to:

1. Release, revoke, alter, relax, or enlarge any requirements of Contract Documents.

2. Perform any duties of Contractor.

3. Approve or accept any portion of Work.

4. Stop the Work.

1.12 LABORATORY RESPONSIBILITIES

A. Cooperate with the Supervisory Construction Representative.

B. Provide qualified personnel acceptable to the Supervisory Construction Representative, to suit construction schedule after being given due notice.

C. Perform inspections, sampling, and testing in accordance with specified standards.

D. Test samples of mixes submitted by Contractor.

E. Ascertain compliance of materials and mixes with requirements of Contract Documents.

TESTING LABORATORY SERVICES 01 45 29-4

F. Provide adequate quantities of representative samples of materials for testing, and conduct inspections, tests and other services listed in article titled PART 3 EXECUTION and specified in individual specification sections.

G. Perform additional inspections and tests requested by the Government.

The Government will pay for the additional services. However, the Contractor is responsible for the cost of testing and remedial actions if the test results of such services prove that the quality of the work does not meet contract requirement.

H. Give verbal notification to the Supervisory Construction Representative by radio or telephone immediately and in writing within 24 hours, of observed irregularities or nonconformance of Work or products with Contract Documents.

I. Provide project site office accommodation complete with furniture and supplies, including computer, copy machine, fax machine, radio equipment, telephone and telephone answering service separate from that of the Contractor. Coordinate location with the Supervisory Construction Representative.

J. Provide temporary on-site laboratory with necessary material, equipment, and utility services to perform required on-site testing. Coordinate location with the Supervisory Construction Representative.

K. Provide required off-site testing services.

L. Maintain a Record Document File on-site that is complete and current with copies of all reports of performed tests and inspections.

1.13 LABORATORY REPORTS

A. Verbal Reports or Draft Report:

1. Give verbal notification or draft report to Supervisory Construction Representative on the same day of the inspection and test prior to departure from the site.

B. Written Reports:

1. Within 24 hours after each inspection and test, submit copies of written reports as follows:

a. The Supervisory Construction Representative: One (1) copy.

TESTING LABORATORY SERVICES 01 45 29-5

b. Architect/Engineer (A/E) of Record: Two (2) copies.

c. Contractor: Three (3) copies.

C. Include with each report:

1. Date issued.

2. Project title and number.

3. Testing laboratory name, address, and telephone number.

4. Name and signature of persons making inspections or tests, and of laboratory inspector or supervisor submitting report.

5. Date and time of sampling or inspection.

6. Identification of Specification Section and product.

7. Location in project.

8. Type of inspection or test.

9. Date of test.

10. Record of temperature and weather conditions.

11. Results of tests and statement as to compliance or noncompliance with Contract Documents, including recommended corrective measures and re-testing procedures if test results do not comply with the requirements.

D. When requested, provide additional interpretation of test results.

PART 2 - PRODUCTS (Not used)

PART 3 - EXECUTION

3.1 During the course of construction, the Supervisory Construction Representative may require performance of additional or more extensive testing or inspection. In general, the testing and inspection by laboratory testing services shall comprise testing and inspection required by individual Specification Sections, and the Articles in Part 3, with the more stringent requirement governing.

3.2 EARTHWORK

TESTING LABORATORY SERVICES 01 45 29-6

A. General:

1. Provide a geotechnical technician supervised by the Contractor’s licensed Geotechnical Engineer for full time duty during earthwork, grading, trenching, and related site activities, to conduct the following observation and inspections:

a. Observation of fill and subgrades during proof rolling to evaluate suitability of surface material to receive fill or base course.

b. Observation of fill replacement and compaction and field density testing in building and pavement areas to verify that earthwork compaction obtained is in accordance with Contract Documents.

c. Inspection of excavation, subsurface preparation, and backfill for structural fill.

d. Other observation and inspections required by the Geotechnical Engineer.

B. Compaction Testing:

1. Moisture density curves for all materials to be compacted shall be established by the Contractor’s licensed Geotechnical Engineer.

2. Types of test and compaction densities shall be determined by the Contractor’s licensed Geotechnical Engineer.

3. Perform at least one test to determine maximum density and moisture content for each 150 cubic meters (195 cubic yards) or 500 square meters (5350 square feet) of compaction general site fill, for each type of material used as engineered fill.

C. Field Density Tests:

1. Acceptable Test Methods for Field Density Testing: ASTM D 1556 (Sand Cone Method) or ASTM D 6938 (Nuclear Method); or equivalent method in compliance with the specification requirements and the Geotechnical Consultant’s recommendations.

2. Utility Trench Compaction: Conduct at least one test for each 100 feet intervals or less of trench length per lift inside the building and in the open areas, and one under pavement or structure.

3. Open Areas General Site Fill: Conduct at least one test for each 10,000 square feet of each lift of fill or backfill.

TESTING LABORATORY SERVICES 01 45 29-7

4. Building Slab Subgrade: Conduct at least one test for each compacted fill layer for each 2000 square feet of building slab area.

5. 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 the Supervisory Construction Representative. In each compacted fill layer below wall footings, perform one test for every 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.

6. Foundation Wall Backfill: One test per 100 feet of each layer of compacted fill but in no case fewer than two tests.

7. Paving Subgrade: Perform one test per 2000 square feet of each lift.

8. Paving Subgrade Stabilization: Inspect and test subgrade stabilization operations to verify that all stabilized materials used are in accordance with the specifications for that use. Perform one test per 100 linear feet per roadway, and one test per 2000 square feet of lime stabilized subgrade at parking areas, after subgrade preparation, at locations determined by the Supervisory Construction Representative.

9. Subgrade Stabilization Testing for Building Pads and Other Structures: Inspect and test subgrade stabilization operations to verify that all stabilized materials used are in accordance with the specifications for that use. Perform one field density test for each 2000 square feet of area within the building footprint on each lift prior to placement of additional fill.

10. All Perimeter Security Fences: One test per 500 feet of each lift of fill or backfill.

11. Curb, Gutter and Sidewalk: One test per 200 feet of each lift, but in no case fewer than two tests.

3.3 TOPSOIL

A. Test topsoil for organic materials, pH, and gradation of particles.

1. Test for organic material by using ASTM D 2974.

2. Test for pH, phosphate, and potash cement.

TESTING LABORATORY SERVICES 01 45 29-8

3. Determine percent of silt, sand, clay, and foreign materials such as rock, roots, vegetation, etc.

3.4 HOT-MIXED ASPHALT PAVING

A. Aggregate Base Course:

1. Determine maximum density and optimum moisture content for aggregate base material in accordance with ASTM D1557.

2. Perform one field density test per 500 feet of roadway and one per 5000 square feet of parking area per ASTM D1556.

3. Measure the thickness of the compacted aggregate base at intervals of not more than 200 feet at various points on the cross section.

4. Sample and test aggregate as necessary to insure compliance with specification requirements for gradation, wear, and soundness.

B. Asphalt Concrete:

1. Extraction Gradation Analysis: Perform one ASTM D 2172 analysis for each 850 tons of asphaltic concrete mix or fraction thereof delivered to the site.

2. Reference maximum theoretical density will be determined by averaging results from four samples of hot-mix asphalt-paving mixture delivered daily to site, prepared according to ASTM D 2041, and compacted according to job-mix specifications.

3. Density Testing: Perform one test for each 5000 square feet of each lift, in accordance with ASTM D 2950 and correlated with ASTM D 1188 or ASTM D 2726.

4. Core Samples: Furnish core samples, to be taken at random locations approved by the Supervisory Construction Representative, to evaluate pavement thickness at intervals not to exceed one per 7000 square feet of paving area. If average thickness is deficient by less than 1/4 inch and no individual measurement is deficient more than 9/16 inch, the pavement thickness meets design requirements. If average thickness is deficient by more than 1/4 inch or one individual measurement is deficient more than 9/16 inch, the pavement thickness does not meet design requirements. Deficient areas shall be defined, removed, and replaced, or adjusted to design thickness by methods approved by the Supervisory Construction Representative.

TESTING LABORATORY SERVICES 01 45 29-9

3.5 CAST-IN-PLACE CONCRETE

A. Sampling Fresh Concrete: ASTM C 172; except modified for slump to comply with ASTM C 94. Mold and cure compression test cylinders in accordance with ASTM C 31. Make at least a set of four cylinders for each 100 cubic yards or fraction thereof, or each type of concrete placed in any one day or for each 5000 square feet of surface area of slabs or walls placed. For concrete ductbank pours under buildings and roadways, the above sampling frequencies apply with a minimum requirement of one set of four cylinders for each 100 linear feet of ductbank average.

B. Slump (ASTM C 143): Make slump tests from each truck where compressive test cylinders are taken, and at other times when it is deemed advisable in the opinion of the testing laboratory personnel or the Supervisory Construction Representative.

C. Air Content (ASTM C 231): Determine air content of air entrained concrete at least twice a day during progress of work and during making of concrete test cylinders.

D. Compression Test Specimens: ASTM C 31; four standard cylinders for each compressive strength test, unless otherwise directed. Mold and store cylinders on site for 24 hours, then transport to laboratory for curing and testing.

E. Concrete Temperature: ASTM C1064; record each time a set of compression test specimens is made, or slump and air contents are tested. One test hourly when air temperature is 40 degrees F and below or when 80 degrees F and above, and one test for each set of compressive strength specimens.

F. Compressive Strength Tests: ASTM C 39; for each test series, one specimen tested at 7 days, two specimens tested at 28 days, and one specimen retained in reserve for later testing if required. Test results shall be the average strength of the two specimens tested at 28 days.

G. When the frequency of testing will provide less than five strength tests for a given class of concrete, conduct testing from at least five randomly selected batches or from each batch if fewer than five are used.

H. Testing and Inspection Reports:

1. Report test and inspection results in writing to the Supervisory Construction Representative, the A/E, and the Contractor within 24 hours after tests are made. Reports of compressive strength tests shall contain the project identified name and number, date of

TESTING LABORATORY SERVICES 01 45 29-10

concrete placement, name of contractor, name of concrete supplier, and truck number. In addition, provide the following:

a. Cylinder identification number and date cast.

b. Location at which test samples were taken.

c. Type of concrete, slump, and percent air content.

d. Compressive strength of concrete in MPa (psi).

e. Weather conditions during placement.

f. Concrete temperature during cylinder molding.

g. Ambient temperature during placement.

h. Date delivered to laboratory and date tested.

i. Water added at site.

j. Time of day of discharge.

k. Concrete testing service shall conduct tests to determine adequacy of concrete by cored cylinders complying with ASTM C 42, or by other methods as directed.

I. Additional load tests per ACI-301, standard core tests, and other tests considered necessary by the Supervisory Construction Representative shall be made under the following conditions:

1. When the average 28-day strength of any single set of test cylinders is greater than 10 percent below specified design strength.

2. When the average 28-day strength of three consecutive sets of test cylinders is below specified design strength.

3. When individual strength test result is more than 500 psi below the specified strength.

4. When there is evidence of frozen concrete.

5. When the strength of field-cured cylinders is less than 90 percent of laboratory-cured cylinders, evaluate current operations and provide corrective procedures for protecting and curing the in-place concrete.

TESTING LABORATORY SERVICES 01 45 29-11

J. When strength tests indicate deficiencies, testing of concrete in place may be required in order to evaluate actual strength.

K. Testing by impact hammer, sonoscope, or other nondestructive device shall be used to determine relative strengths at various locations in structure as an aid for selecting areas to be cored. Such tests, unless properly calibrated and correlated with other test data, shall not be used as a basis for acceptance or rejection.

L. Core tests: Obtain and test largest practical diameter cores, 2" minimum, in accordance with ASTM C42. If concrete in structure will be dry under service conditions, air dry cores at temperature of 60 to 80 degrees F and relative humidity of less than 60 percent for 7 days before test. Test when concrete is dry. If concrete in structure will be more than superficially wet under service conditions, test cores after moisture conditioning.

1. Take at least 3 representative cores from each member or area of concrete in place that is considered potentially deficient. Location of cores shall impair strength of structure and shall be approved by the Supervisory Construction Representative. If, before testing, one or more cores indicates evidence of having been damaged subsequent to or during removal from structure, replace it.

2. Concrete in an area represented by a core test will be considered adequate if the average strength of cores is equal to at least 85 percent of specified strength and if no single core is less than 75 percent of specified strength.

3. Fill core holes with low slump concrete or mortar.

M. When total quantity of concrete of a mix design is less than 10 cubic yards per day and not used for self-supporting slabs, columns, beams, or precast concrete, strength test may be waived by the Supervisory Construction Representative.

N. Concrete Mix:

1. Review mix design prior to placement.

2. Periodically verify that specified mixing has been accomplished.

3. Observe, monitor, and record amount of water added at project site.

4. Observe minimum and maximum mixing times at project site, and age of load.

O. Batch Plant Inspection:

TESTING LABORATORY SERVICES 01 45 29-12

1. The testing agency shall make periodic inspections at the mixing plant. An initial inspection shall be made prior to the delivery of the initial mixed batch to the site.

2. Examine concrete materials for compliance with Specifications and approved mix design, weighing and measuring devices, proportioning, and mixing of materials, the water and cement content of each batch, the general operation of the plant, and the transportation of concrete to the job site.

P. Continuous inspection of concrete and shotcrete placement for proper application techniques.

1. Inspect handling, conveying, and placing equipment, inspect vibrating and compaction equipment.

2. Inspect preparation of construction, expansion, and isolation joints.

Q. Verify slab flatness and levelness within 72 hours of placement for each slab finish in accordance with ASTM E1155.

R. Other Inspections:

1. Inspection for maintenance of specified curing temperature and techniques periodically.

2. Continuous inspection of anchor rods (bolts) to be installed in concrete prior to and during placement of concrete.

3. Continuous inspection of Grouting under base plates, grouting anchor rods (bolts) and reinforcing steel in hardened concrete.

4. Connections/embedded items: Inspect interface connections, including end and edge doweling. Inspect embedments for proper location.

S. Prestressed and Post-tensioning Operations:

1. Continuous inspection of application of prestressing forces/ tensioning and anchorage of tendons.

2. Inspect grouting of bonded tendons. Verify concrete strength prior to stressing of tendons and removal of shores and forms from beams and structural in accordance with ACI 318: 26.10.2.

3. Post-tensioning of concrete:

TESTING LABORATORY SERVICES 01 45 29-13

a. Inspection Prior to Concreting: Inspect tendons, drape of tendons, and anchorage components for compliance prior to concreting.

b. Concrete Testing: As required in Article CAST-IN- CONCRETE of this section except make three test cylinders representing each area to be tensioned and cylinders shall be cured in same manner as concrete they represent. Make compression test prior to determining minimum specified strength required for post-tensioning.

c. Post-tensioning: Witness post-tensioning operation and record actual force and elongation applied to each tendon.

d. Submit reports of following:

1) Inspection of placement and post-tensioning of all strands.

2) Size, number, location, and drape of strands and post-tensioning loads imposed. Check elongation of tendons within ranges established by manufacturer.

T. Formwork: Inspect form sizes for proper sizes of concrete members.

Verify concrete strength prior to removal of forms and shores from beams and structural slabs.

U. Review material certification for conformation to specifications.

3.6 CONCRETE REINFORCEMENT

A. Review manufacturer’s mill certificate, type, grade of steel, and bar size.

B. Installation Inspections:

1. Perform periodic inspection of reinforcing steel including tendons of pre-stressing and post-tensioning, for ASTM type, grade, size, quantity, condition, and placement, unless otherwise noted. Verify adequate cover per specifications.

2. For reinforcing steel other than ASTM A706, provide verification of weldability of reinforcing steel.

3. Provide periodic inspection of reinforcing steel welding in accordance with AWS D1.4 and ACI 318:26.5.4, unless otherwise noted.

TESTING LABORATORY SERVICES 01 45 29-14

4. Provide continuous inspection on welding of reinforcing steel which resist flexural and axial forces in intermediate and special moment frames, and boundary elements of special reinforced concrete shear walls and shear reinforcement.

5. Perform continuous inspection on welding of shear reinforcement.

6. Mechanical splices: Verify proper embedment, joint fit-up, and tightness of mechanical parts.

3.7 PRECAST CONCRETE AND TILT-UP CONCRETE

A. Fabrication inspections and testing: Perform the following inspections and testing in addition to requirements as included in Article CAST-IN-PLACE CONCRETE and Article CONCRETE REINFORCEMENT of this Section.

1. Unannounced visits to fabrication plant.

2. Review plant quality control program and personnel.

3. Observe fabricator quality control inspection and testing.

4. Provide periodic inspection of plant storage and handling procedures.

5. Review material certifications for conformance to specifications.

B. Personnel performing nondestructive testing on welds shall be qualified in accordance with the requirements of AWS D1.1.

C. Installation Inspections and Testing:

1. Review field welder certifications.

2. Review field welding procedures for compliance with AWS Specifications.

3. Inspect fastening devices and accessories cast in panels or used in final installation.

4. Note discrepancies in dimensional tolerances of connection assembly and any corrective procedures.

5. Connections/embedded items: Inspect interface connections, including end and edge doweling. Inspect embedments for proper location. Inspect shimming, bearing, bolting, and welding of connections.

TESTING LABORATORY SERVICES 01 45 29-15

6. Inspect welded precast connections:

a. Perform visual inspection of welds in accordance with AWS D1.1.

b. Perform visual inspection of joint fit-up and alignment prior to welding.

c. Verify welder qualifications.

d. Verify welding procedure qualifications and welding equipment.

e. Verify weld materials and storage facilities.

f. Measure a minimum of 25 percent of fillet welds.

g. Test 100 percent of first 40 complete penetration butt joint welds and 25 percent of remaining joints if rejection rate of first 40 is less than 5 percent by radiographic testing (RT).

h. Test 100 percent of first 40 complete penetration corner and tee joint welds and 25 percent of remaining joints if rejection rate of first 40 is less than 5 percent by ultrasonic testing

(UT).

7. Inspect bolted connections in accordance with AISC Specifications for structural joints using ASTM A 325 or A 490 bolts and Article STRUCTURAL STEEL AND METAL DECKING of this Section.

8. Mark all inspected connections.

9. Review site storage and handling procedures for consistency with design of precast elements.

10. Site erected precast elements:

a. Monitor finished products for structural defects.

b. Review documentation of responsible registered design professional’s approved repair and verify completion of required repairs.

11. Reports:

a. Provide daily written reports.

TESTING LABORATORY SERVICES 01 45 29-16

b. Describe panels inspected. Note problems. Describe compliance with contract documents and approved shop drawings.

c. Include tests conducted and test results.

3.8 CONCRETE UNIT MASONRY, MORTAR, GROUT, AND REINFORCEMENT

A. Preconstruction Testing

1. Concrete Masonry Unit Test: For each type of unit required, according to ASTM C 140.

2. Mortar Test (Proportion and Property Specification): For each mix required, according with ASTM C780.

3. Grout Test (Compression Strength): For each mix required, according to ASTM C1019.

B. Field Testing

1. Concrete Masonry Unit Test: Sample and test concrete masonry units for strength, absorption, and moisture content in accordance with ASTM C 140. Test three samples for each 5000 square feet of wall area.

2. Mortar Test (Proportion Specification): Perform mortar tests in accordance with ASTM C780. Test set of three samples during or immediately after discharge from batch mixer. Test set of three samples for each 1000 square feet or less of masonry wall, and at minimum one set per wall.

3. Grout Test (Compression Strength): Sample and test grout in accordance with ASTM C1019.

a. Construct set of six specimens for each 750 square feet of wall area, or portion thereof, and at minimum one set per wall; test three specimens at 7 days and three at 28 day.

b. Strength of grout will be satisfactory if average of compressive-strength tests of the same set of six specimens equals or exceeds specified compressive strength and no compressive-strength test value falls below specified compressive strength by more than ten percent.

TESTING LABORATORY SERVICES 01 45 29-17

C. Reinforcement: Review manufacturer’s mill certificate, type, grade of steel, and bar size.

D. Inspection of Masonry Construction in accordance with ACI 530/ASCE 5/TMS 402 and ACI 530.1/ASCE 6/TMS 602, Level C Quality Assurance.

3.9 CONTROLLED LOW STRENGTH MATERIALS, (CLSM), FOR DUCT BANK

ONLY

A. Perform compression testing of CLSM per ASTM D 4832 (Test Method for Preparation and Testing of Soil-Cement Slurry. Test four (4) Cylinders), one test for each 100 linear feet of ductbank pour.

3.10 STRUCTURAL STEEL AND METAL DECKING

A. Material Verification of Structural Steel:

1. Identification markings to conform to ASTM standards specified in the approved construction document.

2. Manufacturers’ certified mill test reports.

B. Material Verification of Weld Filler Materials:

1. Identification markings to conform to AWS specifications in the approved construction document.

2. Manufacturers’ certificate of compliance required.

C. Material Verification of High-Strength Bolts, Nuts and Washers:

1. Identification markings to conform to ASTM standards specified in the approved construction documents.

2. Manufacturers’ certificate of compliance required.

D. Shop and Field Visual Inspection:

1. Perform visual inspection of all welds.

2. Inspect bolted connections in accordance with Section 9 of the Research Council on Structural Connections (RCSC) and AISC Specifications for Structural Joints Using ASTM A 325 or A 490 bolts.

TESTING LABORATORY SERVICES 01 45 29-18

a. 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.

b. 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 Specifications for Structural Joints Using ASTM A325 or A490 Bolts. Inspect all bolts in connection when one or more are rejected.

c. Bolts installed by turn-of-nut tightening may be inspected with calibrated wrench when visual inspection was not performed during tightening.

d. Snug Tight Connections: Inspect 10 percent of connections verifying that plies of connected elements have been brought into snug tight.

3. Note any discrepancies in dimensional tolerances of connection assembly and any corrective procedures.

E. Shop and Field Weld Tests:

1. Verify that all welders, welding operators and tackers comply with the AWS code for position and type of welding.

2. Weld inspection shall be in compliance with Section 6 of AWS D1.1.

3. Ultrasonic Test: ASTM E 164.

a. Test 100 percent of first 40 complete penetration groove welds and 25 percent of remaining welds if the rejection rate for the first 40 is less than 5 percent. No reduction is permitted for demand critical welds. When nondestructive testing is not required for this welding, continuous special inspection is required

b. Test 100 percent of first 40 partial penetration groove welds and 25 percent of remaining welds if the rejection rate for the first 40 is less than 5 percent. No reduction is permitted for demand critical welds. When nondestructive testing is not required for this welding, continuous special inspection is required

TESTING LABORATORY SERVICES 01 45 29-19

c. For complete or partial penetration groove welds on materials less than 5/16 inch thick, nondestructive testing is not required; for this welding, continuous inspection is required.

4. Base metal thicker than 1 ½ inches, when subjected to through-thickness weld shrinkage strains, shall be ultrasonically inspected for discontinuities directly behind such welds after joint completion.

5. Magnetic Particle Test: Test in accordance with ASTM E 709 for a minimum of :

a. 20 percent of all shear plate fillet welds at random, final pass only.

b. 20 percent of all continuity plate and bracing gusset plate fillet welds, at random, final pass only.

c. 100 percent of tension member fillet welds (i.e., hanger connection plates and other similar connections) for root and final passes.

d. 20 percent of length of built-up column member partial penetration and fillet welds at random for root and final passes.

e. 100 percent of length of built-up girder member partial penetration and fillet welds for root and final passes.

f. 25 percent of all beam-to-column complete penetration welds. The rate for an individual welder or welding operator is permitted to be reduced to 10 percent, provided the reject rate is less than 5 percent for at least 20 completed welds.

6. Measure 25 percent of fillet welds, selected randomly.

7. Verify that correction of rejected welds are made in accordance with AWS D1.1.

8. Testing and inspection do not relieve the Contractor of the responsibility for providing materials and fabrication procedures in compliance with the specified requirements.

F. Metal Decking Visual Inspection: Inspect placement, 100 percent of welds, laps, side lap attachment, screws or other mechanical fasteners, and headed studs. Check welder’s qualifications.

TESTING LABORATORY SERVICES 01 45 29-20

G. Tests of Headed Studs: Provide field inspection. Test headed studs for fastening strength in accordance with AWS D1.1. Test 100 percent of first 40 headed studs and 25 percent of remaining headed studs if the rejection rate for the first 40 is less than 5 percent.

H. Testing and inspection agency representative shall verify gauge, size, and type of metal decking supplied.

I. Structural framing, bracing, details, and assemblies: Inspect for size, grade of steel, camber, installation, and connection details. Check against approved construction documents and shop drawings. Verify locations of structural steel for plumbness, level, and alignment.

J. Open web steel joists: Inspect for size, placement, bridging, bearing, and connection to structure. Visually inspect all welds of a minimum of 5 percent of the joists, randomly selected.

K. Anchors: Review contractor’s as-built survey. Verify that all anchor rods have been properly tightened and have adequate fit-up.

L. Expansion and adhesive anchors: Review installation procedures for both mechanical anchors and adhesive anchors. Verify that materials are suitable for job condition.

M. Field correction of fabricated items: Review documentation of responsible registered design professional’s approved repair, and verify completion of repairs.

3.11 Provide inspections for seismic resistance for Architectural, Plumbing, Mechanical and Electrical components in structures assigned to Seismic Design Category B, C, D, E and F.

3.12 The furnishing of laboratory services shall not alter or eliminate the Contractor's responsibility to perform the work as required by the Contract or to provide its own quality control.

A. Contractor Responsibility: When retesting is required because structural work does not meet the specifications, the cost of retesting and the cost of removing/replacing defective work shall be provided at no additional cost to the Government.

END OF SECTION 01 45 29