Min Sampling an Testing

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

Quality Assurance – Appendix C

July 2003

Specification ‐ Material: 02056 Embankment, Borrow and Backfill

UDOT Minimum Sampling and Testing Requirements
Specification - Material: 02056 Embankment, Borrow and Backfill

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

Assurance:
Reference:
Lot Size:
Frequency per Lot:
Point of Acceptance:
Sampling Reference:
Report/Form:

Soil Classification

AASHTO M 145

Source / soil type or each 20,000 cubic yards or 30,000 tons thereafter One per lot
Grade after processing prior to compaction

AASHTO T 2

02056 Free Draining Granular Backfill

Assurance:
Reference:
Lot Size:
Frequency per Lot:
Point of Acceptance:

Sampling Reference:
Report/Form:

Sieve analysis (gradation)

AASHTO T 27 / T 11

Daily Placement
One per 500 tons or 350 cubic yards
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.

AASHTO T 2

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:
Frequency per Lot:
Point of Acceptance:
Sampling Reference:
Report/Form:

January 28, 2016

Source / soil type and each 20,000 cubic yards or 30,000 tons thereafter One per 20,000 cubic yards or 30,000 tons for each layer Grade after processing, prior to compaction

AASHTO T 2

UDOT Minimum Sampling and Testing Requirements

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. Lot Size:
Frequency per Lot:
Point of Acceptance:
Sampling Reference:
Report/Form:

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. A lot equals material placed to line and grade and compacted in one production day