TE-06 Min Sampling an Testing.pdf

United States Army Garrison Dugway Proving Ground

Technical Exhibit 06 Paving IDIQ Contract – Minimum Sampling & Testing

Directorate of Public Works [Date]

Part 8 – Materials Manual July 2003

Quality Assurance – Appendix C 1

January 28, 2016 UDOT Minimum Sampling and Testing Requirements Page 1 of 2

Specification ‐ Material: 02056 Embankment, Borrow and Backfill

UDOT Minimum Sampling and Testing Requirements

02056 Embankment, Embankment for Bridge, Granular Borrow, and Backfill Placements

Assurance: Soil Classification

Reference: AASHTO M 145

Lot Size: Source / soil type or each 20,000 cubic yards or 30,000 tons thereafter

Frequency per Lot: One per lot

Point of Acceptance: Grade after processing prior to compaction

Sampling Reference: AASHTO T 2

Report/Form:

02056 Free Draining Granular Backfill

Assurance: Sieve analysis (gradation)

Reference: AASHTO T 27 / T 11

Lot Size: Daily Placement

Frequency per Lot: One per 500 tons or 350 cubic yards

Point of Acceptance: Either:

Grade, after processing, prior to compaction.

Or:

Stockpile on the project where approved for daily placement is less than 150 tons or 100 cubic yards.

02056 Embankment, Embankment for Bridge, Granular Borrow, and Backfill Placements

Assurance: Laboratory Maximum Dry Density and Optimum Moisture for Density Standard

Reference: AASHTO T 99 Method D / AASHTO T 180 Method D for A‐1 soils Refer to the Materials Manual of Instruction Section 989 for materials too rocky to apply the correction for coarse particles: greater than 30% retained on the ¾” sieve. See AASHTO T 224.

Lot Size: Source / soil type and each 20,000 cubic yards or 30,000 tons thereafter

Frequency per Lot: One per 20,000 cubic yards or 30,000 tons for each layer

Point of Acceptance: Grade after processing, prior to compaction

Specification - Material: 02056 Embankment, Borrow and Backfill

January 28, 2016 UDOT Minimum Sampling and Testing Requirements Page 2 of 2

Specification ‐ Material: 02056 Embankment, Borrow and Backfill

02056 Embankment, Granular Borrow, and Subgrade Placements

Assurance: In‐place density

Reference: AASHTO T 310. Use the average of two one‐minute readings per test.

Refer to the Materials Manual of Instruction Section 989 for materials too rocky to apply the correction for coarse particles: greater than 30% retained on the ¾” sieve. See AASHTO T 224.

Lot Size: A lot equals material placed to line and grade and compacted in one production day

Frequency per Lot: A lot is divided into equal sublots not to exceed 5000 square yards per lift, 15,000 square yards in cut sections. A minimum of one randomly located determination per sublot.

Point of Acceptance: Grade after Compaction

Sampling Reference: Materials Manual of Instruction ‐981

02056 Embankment for Bridge

Assurance: In‐place density

Reference: AASHTO T 310, Use the average of two one‐minute readings per test.

Refer to the Materials Manual of Instruction Section 989 for materials too rocky to apply the correction for coarse particles: greater than 30% retained on the ¾” sieve. See AASHTO T 224.

Lot Size: One foot lift

Frequency per Lot: Six randomly located determinations per one foot lift. Two of the six determinations must be within two feet of the outside perimeter.

Point of Acceptance: Grade after Compaction

Sampling Reference: Materials Manual of Instruction 981

02056 Backfill Placements

Assurance: In‐place density

Reference: AASHTO T 310, Use the average of two one‐minute readings per test.

Refer to the Materials Manual of Instruction Section 989 for materials too rocky to apply the correction for coarse particles: greater than 30% retained on the ¾” sieve. See AASHTO T 224.

Lot Size: A lot equals not more than 40 feet of one pipe, pipe culvert, box culvert, foundation, abutment, backwall, wing wall, drain, or small structure.

Frequency per Lot: Minimum of one random determination per lift.

Point of Acceptance: Grade after Compaction

Sampling Reference: Materials Manual of Instruction 981

02056 Small Quantities other than Backfill

Assurance: Visual Acceptance of very small quantities of materials other than backfill.

Reference: Acceptance is limited to material being furnished from sources found satisfactory under normal sampling and testing procedures.

Lot Size: Not to exceed 200 cubic yards or 300 tons per day or 1000 cubic yards or 1500 tons per project.

Frequency per Lot: One report for each day material is accepted

Point of Acceptance: Grade

Sampling Reference:

Thursday, June 26, 2014 UDOT Minimum Sampling and Testing Requirements Page 1 of 1

Assurance: Sieve Analysis

Reference: AASHTO T 27 / T 11

Lot Size: Paving Day

Frequency per Lot: One per stockpile

Point of Acceptance: Project stockpile

Assurance: Thickness

Reference: Thickness, determined by three measurements on each core (using a tape measure), recorded to 1/8 in. and averaged.

Lot Size: Project

Frequency per Lot: One core per 12000 sq. ft. Final areas less than 6000 sq. ft. will be added to the previous section. Final section over 6000 sq. ft. will constitute a separate area. Hand placements are considered separately. One core per placement area.

Point of Acceptance: Finished pavement

Sampling Reference: Randomly sampled according to AASHTO T 24

Specification - Material: 02712 Lean Concrete Base Course

Specification - Material: 02721 UTBC

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02721 UTBC Type I Placement

Reference: AASHTO T 27 / T 11

Lot Size: Quantity processed, placed to line and grade in one day

Frequency per Lot: One per sublot of 500 cubic yards or 900 tons

Point of Acceptance: Grade after processing prior to compaction

Assurance: Maximum Dry Density and Optimum Moisture Determination for Density Standard

Reference: AASHTO T 180 Method D

Lot Size: 10,000 cubic yards or 18,000 tons

Frequency per Lot: One to be used as a density standard for in-place density determination

Point of Acceptance: Grade after processing, prior to compaction

Assurance: In-place density

Reference: AASHTO T 310

Lot Size: Quantity processed, placed to line and grade in one day

Frequency per Lot: One per sublot of 2500 square yards

Point of Acceptance: Grade after compaction

Sampling Reference: MOI 8-984

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02721 UTBC Type I Placement

Assurance: Moisture Content

Reference: AASHTO T 255

Lot Size: Quantity processed, placed to line and grade in one day

Frequency per Lot: One per sublot of 2500 cubic yards or 4500 tons

Point of Acceptance: Grade after processing prior to compaction

02721 UTBC Type II Placement

Assurance: Sieve Analysis and Moisture Content

Reference: AASHTO T 27 / T 11, AASHTO T 255

Lot Size: Quantity processed, placed to line and grade in one day

Frequency per Lot: One per lot: Curb and Gutter – 10,000 feet; Sidewalk – 3000 square yards; Driveway, Pedestrian Access Ramp, Waterway, Flatwork, and other items not listed above – 25,000 square feet.

Point of Acceptance: Grade after processing prior to compaction

Assurance: Maximum Dry Density and Optimum Moisture Determination

Reference: AASHTO T 180

Lot Size: 10,000 cubic yards or 18,000 tons

Frequency per Lot: One to be used as a density standard for in-place density determination

Point of Acceptance: Grade after processing prior to compaction

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Assurance: In-place density

Reference: AASHTO T 310

Lot Size: Quantity processed, placed to line and grade in one day

Frequency per Lot: One per sublot: Curb and Gutter – 10,000 feet; Sidewalk – 3000 square yards; Driveway, Pedestrian Access Ramp, Waterway, Flatwork, and other items not listed above – 25,000 square feet.

Point of Acceptance: Grade after compaction

Sampling Reference: MOI 8-984

02721 UTBC Type III Placement

Assurance: Moisture Content - Contractor provided optimum moisture may be used as the moisture standard.

Reference: AASHTO T 255 or AASHTO T 310

Lot Size: Quantity processed, placed to line and grade in one day

Frequency per Lot: Twice daily during placement

Point of Acceptance: Grade

Sampling Reference: AASHTO T 2, MOI 8-984

Assurance: Visual Acceptance of very small quantities of materials

Reference: Acceptance is limited to materials being furnished from sources found satisfactory under normal sampling and testing procedures.

Lot Size: Not to exceed 200 tons per day or 1500 tons per project

Frequency per Lot: One report for each day material is accepted

Point of Acceptance: Grade

Assurance: Gradation/Sieve Analysis

Lot Size: 500 tons of material (estimated)

Frequency per Lot: One

Point of Acceptance: Stockpile. Stockpiles are approved a minimum of one and maximum of seven days prior to use.

Specification - Material: 02735 Microsurfacing

August 22, 2019 UDOT Minimum Sampling and Testing Requirements Page 1 of 4

Assurance: Asphalt Sieve Analysis and Binder Content

Reference: AASHTO T 30 and T 308 Method A, except Note 6

Lot Size: Production Day

Frequency per Lot: Four random samples per lot If at least three random samples cannot be taken, combine test results with the next day of production. Take one sample for each 500 tons or portion thereof from the following day’s production.

Add the lot to the previous day’s production for the final day’s production if three random samples cannot be taken.

The lot may be increased to include up to three production days when agreed upon in advance by both the Contractor and the Engineer when less than 900 tons are anticipated per production day.

Point of Acceptance: Truck transports at the hot mix plant.

Sampling Reference: MMOI 984

Report/Form: Materials Database

Assurance: Theoretical Maximum Specific Gravity (Rice) Reference: AASHTO T 209

One determination is the average of two test results split from a single sample. The two test results must be within the “Acceptable Range of Two Results – single-operator precision” as defined in T209. A third test result from the same sample may be necessary to have two within the range.

Lot Size: Production Day Frequency per Lot: Three, in conjunction with VMA determination from samples taken with those for gradation and binder content.

Point of Acceptance: Truck transports at the hot mix plant.

Specification - Material: 02744 SMA

August 22, 2019 UDOT Minimum Sampling and Testing Requirements Page 2 of 4

Assurance: Voids in Mineral Aggregate (VMA) Determination Reference: AASHTO T 312 (to target gyrations), AASHTO R 35

One VMA determination is based on an average of two specimens Lot Size: Production Day

Frequency per Lot: Three, in conjunction with Rice Determination from samples taken with those for gradation and binder content.

Point of Acceptance: Truck transports at the hot mix plant.

Assurance: Voids in Coarse Aggregate Dry Rodded (VCADRC) Determination Reference: AASHTO R 46

Lot Size: Production Day Frequency per Lot: One test per lot on cold-feed samples taken at the same time as a mix sample Point of Acceptance: Hot Mix Plant

Assurance: Voids in Coarse Aggregate Mix (VCAMIX) Determination Reference: AASHTO R 46

Lot Size: Production Day Frequency per Lot: Determined using daily Gmb average of lot acceptance gyratory compacted specimens.

Point of Acceptance: Hot Mix Plant

August 22, 2019 UDOT Minimum Sampling and Testing Requirements Page 3 of 4

Assurance: In-Place Density Reference: AASHTO T 166

Lot Size: Production Day, excluding lane-leveling or profile leveling.

Frequency per Lot: 700 tons and under – 4 cores

701 to 900 tons – 6 cores 901 to 1100 tons – 8 cores >= 1100 tons – 10 cores 2 cores in each equally divided sublot

Point of Acceptance: Grade after compaction, prior to traffic.

Sampling Reference: MMOI 981 and AASHTO R 67

Reference: Average of three measurements on each core recorded to 1/8 inch

Lot Size: Production Day Frequency per Lot: In conjunction with in-place density determination.

Point of Acceptance: Grade after compaction, prior to traffic Sampling Reference: AASHTO R67

Assurance: Smoothness Reference: Standard Specification 02701

Lot Size:

Frequency per Lot:

Point of Acceptance:

August 22, 2019 UDOT Minimum Sampling and Testing Requirements Page 4 of 4

Reference: Acceptance is limited to materials being furnished from sources found satisfactory under normal sampling and testing procedures.

Lot Size: For small projects with plan quantities of SMA less than 500 tons or for work such as approaches, detours, driveways, traffic signals, utility work, etc., the Engineer may elect to accept material based upon visual inspection. When acceptance is intended to be based upon visual inspection, the Engineer reserves the option of conducting any acceptance tests necessary to determine the material and workmanship meets the project requirements.

Acceptance for in-place density may be based on establishing and maintaining a roller pattern for these items and for bridge deck paving.

Frequency per Lot: One report for each day material is accepted Point of Acceptance: In-place. Supplementary test samples may be taken as described above in this section, Loose mix samples may also be sampled from the truck transports at the hot mix plant.

Report/Form: Visual Inspection Report

August 22, 2019 UDOT Minimum Sampling and Testing Requirements Page 1 of 4

Assurance: Asphalt Sieve Analysis and Binder Content

Reference: AASHTO T 30 and T 308 Method A, except Note 6

Lot Size: Production Day

Frequency per Lot: Four random samples per lot If at least three random samples cannot be taken, combine test results with the next day of production. Take one sample for each 500 tons or portion thereof from the following day’s production.

Add the lot to the previous day’s production for the final day’s production if three random samples cannot be taken.

The lot may be increased to include up to three production days when agreed upon in advance by both the Contractor and the Engineer when less than 900 tons are anticipated per production day.

Point of Acceptance: Where the lift thickness is greater than 1.5 inches, sample from the grade behind the paver.

Where the lift thickness is less than or equal to 1.5 inches, sample from the truck transports at the hot mix plant.

Assurance: Theoretical Maximum Specific Gravity (Rice) Reference: AASHTO T 209

One determination is the average of two test results split from a single sample. The two test results must be within the “Acceptable Range of Two Results – single-operator precision” as defined in T209. A third test result from the same sample may be necessary to have two within the range.

Lot Size: Production Day Frequency per Lot: Three, in conjunction with VMA determination from samples taken with those for gradation and binder content.

Point of Acceptance: Where the lift thickness is greater than 1.5 inches, sample from the grade behind the paver.

Where the lift thickness is less than or equal to 1.5 inches, sample from the truck transports at the hot mix plant.

Specification - Material: 02741 HMA

August 22, 2019 UDOT Minimum Sampling and Testing Requirements Page 2 of 4

Assurance: Voids in Mineral Aggregate (VMA) Determination Reference: AASHTO T 312, AASHTO R 35

One VMA determination is based on an average of two specimens.

Lot Size: Production Day

Frequency per Lot: Three, in conjunction with Rice Determination from samples taken with those for gradation and binder content.

Point of Acceptance: Where the lift thickness is greater than 1.5 inches, sample from the grade behind the paver.

Where the lift thickness is less or equal to than 1.5 inches, sample from the truck transports at the hot mix plant.

Assurance: In-Place Mat Density Reference: AASHTO T 166

Lot Size: Production Day, excluding lane-leveling or profile leveling.

Frequency per Lot: 700 tons and under – 4 cores

701 to 900 tons – 6 cores 901 to 1100 tons – 8 cores >= 1100 tons – 10 cores 2 cores in each equally divided sublot

Point of Acceptance: Grade after compaction, prior to traffic.

Move transversely to a point 1 ft from the edge of the pavement for in-place mat density if the random location for coring falls within 1 ft of the edge of the pavement or longitudinal joint.

August 22, 2019 UDOT Minimum Sampling and Testing Requirements Page 3 of 4

Assurance: Longitudinal Joint Density (This applies to all pavement as shown below except for Thin Overlay Pavement and bridge decks) Reference: AASHTO T166

Lot Size: Production Day Frequency per Lot: Take one core randomly for every 1000 feet or fraction thereof from each longitudinal joint within each lift of paving. Take a minimum of four longitudinal joint cores per lot. Sampling from longitudinal joints less than 200 feet in length through intersections is not required.

Point of Acceptance: Grade after compaction, prior to traffic Sampling Reference: MMOI 984

4 cases will be considered as follows:

Type Offset* 4 inch

Core Size

6 inch Core Size

Gmm**

1 Concrete or Milled edge to new Asphalt

3 X X H

2 New Asphalt to New Asphalt where the edge slope is approximately 1:1 or steeper

0 X X B

3 New Asphalt to New Asphalt where the edge slope is approximately 1:1 or flatter

3 X B

4 Echelon Paving 0 X X B *Offset is in inches from the visible joint to the center of the core. Offset is always to the hot side ** Gmm is the average Gmm from the lot. Gmm may be from either the hot side (H) or both the hot and cold side (B) Use the average Gmm for each lot to calculate relative density. Use the average of both Gmm’s if two different sides or values exist for the cores taken between two lots.

Reference: Average of three measurements on each core recorded to 1/8 inch

Lot Size: Production Day Frequency per Lot: In conjunction with in-place density determination.

Point of Acceptance: Grade after compaction, prior to traffic

August 22, 2019 UDOT Minimum Sampling and Testing Requirements Page 4 of 4

Lot Size:

Frequency per Lot:

Point of Acceptance: In-place.

Reference: Acceptance is limited to materials being furnished from sources found satisfactory under normal sampling and testing procedures.

Lot Size: For small projects with plan quantities of HMA less than 500 tons or for work such as approaches, detours, driveways, traffic signals, utility work, etc., the Engineer may elect to accept material based upon visual inspection. When acceptance is intended to be based upon visual inspection, the Engineer reserves the option of conducting any acceptance tests necessary to determine the material and workmanship meets the project requirements.

Acceptance for in-place mat density and longitudinal joint density may be based on establishing and maintaining a roller pattern for these items, lane-leveling, and bridge deck paving.

Frequency per Lot: One report for each day material is accepted Point of Acceptance: In-place. Supplementary test samples may be taken as described above in this section. Loose mix samples may also be sampled from the truck transports at the hot mix plant.

Report/Form: Visual Inspection Report

Thursday, June 26, 2014 UDOT Minimum Sampling and Testing Requirements Page 1 of 2

Specification - Material: 02745 Asphalt Materials

Assurance: Cutback Asphalt

Reference: AASHTO M 81, M 82, ASTM D2026

Lot Size: Each Truck/Trailer

Frequency per Lot: Sample each lot, two 1 quart samples (metal can). Submit one sample per 155 tons to central.

Point of Acceptance: Project or Plant

Sampling Reference: AASHTO T 40

Assurance: Asphalt Emulsions/Rejuvenating agents, SS, CSS, MS, CMS, CQS, emulsified Primes/Type B, C, D.

Reference: Asphalt Emulsion Management Plan (QMP 508)

Lot Size: Only when product is questionable

Frequency per Lot: Check sample, one quart sample (plastic bottle)

Point of Acceptance: Project or Plant

Assurance: PG Asphalt Binders

Reference: AASHTO M 320, QMP 509

Lot Size: Production Week

Frequency per Lot: Three one-quart samples (metal can) per daily sublot. Submit one per week to Central Binder lab. See QMP 509.11

Point of Acceptance: Injection line at the Hot Plant

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Reference: Acceptance is limited to only materials being furnished from sources found satisfactory under normal sampling and testing procedures.

Lot Size: Not to exceed 10 tons per day or 45 tons per project

Frequency per Lot: One report for each day material is accepted

Point of Acceptance: Grade

March 2017 UDOT Minimum Sampling and Testing Requirements Page 1 of 2

Lot Size: Paving Day

Frequency per Lot: One per stockpile

Point of Acceptance: Project Stockpile

Assurance: Slump, Air Content, and Concrete Temperature

Reference: AASHTO T 119, AASHTO T 152, AASHTO T 309

Lot Size: Paving Day

Frequency per Lot: Test until three consecutive batches meet specification at beginning of placement, after shutdowns of 1 hour or more, and after each failed batch, Randomly thereafter for each 800 cubic yards. If first determination fails, immediately retest. If the second test meets specification, immediately retest.

Batch is rejected on two failed determinations.

Point of Acceptance: Grade in front of the paver for slump and temperature. For air content: in place pavement (as measured at grade in front of paver and adjusted per results of correlation testing).

Sampling Reference: WAQTC TM 2 – Sampling from paving mixers

Assurance: Air Content Correlation testing to determine loss of entrained air through the paver.

Reference: AASHTO T 152

Lot Size: Paving Day

Frequency per Lot: Two tests, one in the morning and one in the afternoon for each day of paving operations. Perform air test in front of the paver and again from the same load in the finished pavement.

Point of Acceptance: As defined in previous section

Sampling Reference: WAQTC TM 2 – Sampling from paving mixers

Specification - Material: 02752 Portland Cement Concrete Pavement

March 2017 UDOT Minimum Sampling and Testing Requirements Page 2 of 2

Specification - Material: 02752 Portland Cement Concrete Pavement

Assurance: Compressive Strength Test

Reference: Cast in accordance with AASHTO T 23. Tested in accordance with AASHTO T 22. One compressive strength test consists of a set of three cylinders.

Lot Size: Paving Day

Frequency per Lot: One strength test represents 2600 square yards. Hand‐placed areas are considered separately.

Point of Acceptance: Grade in front of the paver

Sampling Reference: MOI 981, WAQTC TM 2 – Sampling from paving mixers

Reference: Thickness, determined by three measurements on each core, recorded to 1/16 inch and averaged.

Lot Size: Paving Day

Frequency per Lot: One core per 12,000 square ft. Final areas less than 6000 square ft. will be added to the previous section. Final section over 6000 square ft. will constitute a separate area. Hand placements are considered separately. One core per placement area.

Point of Acceptance: Finished pavement

Sampling Reference: Randomly sampled according to AASHTO T 24

Assurance: Thickness ‐ For placements over existing surfaces

Reference: Graph of the deviations from the profile grade established by the plans or Engineer. Meet requirements listed in 02752.

Lot Size: Paving Day

Frequency per Lot: Engineer takes elevations at 100 ft. intervals and compares against the profile and graph.

Point of Acceptance: Finished pavement

Lot Size:

Frequency per Lot:

Point of Acceptance:

Assurance: Pavement Marking Paint

Reference: Special Provision 02765

Lot Size: Project

Frequency per Lot: One sample of each color of pavement marking paint for projects with quantities over 100 gallons

Point of Acceptance: Project Location

Sampling Reference: MOI 932

Specification - Material: 02765 Pavement Marking Paint

Lot Size: Stockpile

Frequency per Lot: One gradation per 500 tons of material

Point of Acceptance: Stockpile.

Stockpiles are accepted at least one and not more than seven days before use.

Specification - Material: 02785 Chip Seal Coat

March 2017 UDOT Minimum Sampling and Testing Requirements Page 1 of 2

Assurance: Asphalt Binder Content and Sieve Analysis

Reference: AASHTO T 308 and AASHTO T 30

Lot Size: Production Day

Frequency per Lot: Four samples per production day is standard, for exceptions see Section 02786 "Acceptance."

Point of Acceptance: Hot Plant

Sampling Reference: MOI 8‐984

Reference: Verify with a depth probe

Lot Size:

Frequency per Lot:

Point of Acceptance:

Lot Size:

Frequency per Lot:

Point of Acceptance:

Specification ‐ Material: 02786 Open Graded Surface Course

March 2017 UDOT Minimum Sampling and Testing Requirements Page 2 of 2

Specification - Material: 02786 Open Graded Surface Course

Reference: Acceptance is limited to material being furnished from sources found satisfactory under normal sampling and testing procedures.

Lot Size: Not to exceed 100 tons per day or 1000 tons per project

Frequency per Lot: One report for each day material is accepted

Point of Acceptance: Grade

Reference: AASHTO T 30

Lot Size: Production Day

Frequency per Lot:

Four - If at least three samples cannot be taken, combine test results with the next day of production. Take one sample for each 15,000 yards or portion thereof from the following day’s production.

Point of Acceptance: Plant

Sampling Reference:

MOI 984

MOI 981

Assurance: Asphalt Binder Content

Reference: AASHTO T 308

Lot Size: Production Day

Frequency per Lot:

Four – If at least three samples cannot be taken, combine test results with the next day of production. Take one sample for each 15,000 square yards of portion thereof from the following day’s production.

Point of Acceptance: Plant

Sampling Reference:

MOI 984

MOI 981

Specification - Material: 02787 Bonded Wearing Course

November 5, 2018 UDOT Minimum Sampling and Testing Requirements Page 1 of 2

Lot Size: Weekly production Frequency per Lot: One test per stockpile during any week concrete is being provided to a UDOT project

Point of Acceptance: Supplier Stockpile

Assurance: Slump, Air Content, and Concrete Temperature Reference: AASHTO T 119, AASHTO T 152, AASHTO T 309

Lot Size: Production Day Frequency per Lot: For each mix design test until two consecutive batches meet specification at beginning of placement, after shutdowns of 1 hour or more, and after each failed batch, Randomly thereafter for each 50 cubic yard minimum. If the first determination fails, immediately retest. If the second test meets specification, immediately retest. Batch is rejected on two failed determinations.

Point of Acceptance: Point of Placement Sampling Reference: WAQTC TM 2

Assurance: Compressive Strength Test

Reference: Cast in accordance with AASHTO T 23 Tested in accordance with AASHTO T 22. One compressive strength test consists of a set of three cylinders.

Lot Size: Production Day

Frequency per Lot: One determination for each 50 cubic yards or fraction thereof for each mix design. Visual acceptance and laboratory testing is done at Engineers discretion for daily quantities between 4 cubic yards and less than 8 cubic yards.

Point of Acceptance: Point of Placement

Specification - Material: 03055 Portland Cement Concrete

November 5, 2018 UDOT Minimum Sampling and Testing Requirements Page 2 of 2

Specification - Material: 03055 Portland Cement Concrete

Assurance: Visual Acceptance of very small quantities of material

Reference: Acceptance is limited to materials being furnished from sources found satisfactory under normal sampling and testing procedures.

Lot Size: Not to exceed 4 cubic yards per day and not to exceed 50 cubic yards of total continuous visual acceptance quantities.

Frequency per Lot: One report for each day material is accepted.

Point of Acceptance: Point of Placement

Assurance: Visual Acceptance of Class B and B(AE) Concrete Reference: As directed by Engineer

Lot Size: Daily placement Frequency per Lot: One report for each day material is accepted

Point of Acceptance: Point of Placement

Assurance: Verification of cementitious blends in volumetric truck bins Reference: Materials Manual of Instruction Section 978

Lot Size: Daily placement Frequency per Lot: One test from the truck bin at the yard after blend is added. One test from the bin at point of placement Point of Acceptance: Point of Placement Sampling Reference: Materials Manual of Instruction Section 978

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Reference: AASHTO T 27/T 11

Lot Size: Weekly production Frequency per Lot: One test per stockpile during any week concrete is being provided to a UDOT project

Point of Acceptance: Supplier Stockpile

Assurance: Slump Flow, Static Segregation Penetration Test, Air Content and Concrete Temperature

Reference: AASHTO T 347, ASTM C 1712, AASHTO T 351, AASHTO T 152 (meter type B, do not rod, vibrate, or tap the bowl), AASHTO T 309

Lot Size: Production Day

Frequency per Lot:

Test until two consecutive batches meet specification at beginning of placement, after shutdowns of 1 hour or more, and after each failed batch, Randomly thereafter for each 50 cubic yard minimum. If the first determination fails, immediately retest. If the second test meets specification, immediately retest. Batch is rejected on two failed determinations.

Point of Acceptance: Project Location – if first determination fails, immediately retest. If the second test meets specification, immediately retest. Batch is rejected on two failed determinations.

Assurance: Compressive Strength Test Reference: Cast in accordance with ASTM C 1758.

Tested in accordance with AASHTO T 22 One compressive strength test consists of a set of three cylinders

Lot Size: Production Day Frequency per Lot: One determination for each 50 cubic yards or fraction thereof.

Point of Acceptance: Project Location

Specification - Material: 03056 Self-Consolidating Concrete