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Geotechnical Engineering

 

Checklist and Guidelines for Review of Geotechnical
Reports and Preliminary Plans and Specifications

GTR Review Checklist for Material Sites


J. Material Sites

 

In addition to the basic information listed in Section A, is the following information provided in the project Material Site Report.

  1. Material site location, including description of existing or proposed access routes and bridge load limits, if any?

        (Yes   /   No   /   Unknown or N/A)

  2. *Have soil samples representative of all materials encountered during pit investigation been submitted and tested?

        (Yes   /   No   /   Unknown or N/A)

  3. *Are laboratory quality test results included in the report?

        (Yes   /   No   /   Unknown or N/A)

  4. For aggregate sources, do the laboratory quality test results (such as L.A. abrasion, sodium sulfate, degradation, absorption, reactive aggregate, etc.) indicate if specification materials can be obtained from the deposit using normal processing methods?

        (Yes   /   No   /   Unknown or N/A)

  5. If the lab quality test results indicate that specification material cannot be obtained from the pit materials as they exist naturally, has the source been rejected or are detailed recommendations provided for processing or controlling production so as to ensure a satisfactory product?

        (Yes   /   No   /   Unknown or N/A)

  6. *For soil borrow sources, have possible difficulties been noted, such as above optimum moisture content for clay-silt soils, waste due to high PI, boulders, etc.?

        (Yes   /   No   /   Unknown or N/A)

  7. *Where high moisture content clay-silt soils must be used, are recommendations provided on the need for aeration to allow the materials to dry out sufficiently to meet compaction requirements?

        (Yes   /   No   /   Unknown or N/A)

  8. Are estimated shrink-swell factors provided.

        (Yes   /   No   /   Unknown or N/A)

  9. *Do the proven material site quantities satisfy the estimated project quantity needs?

        (Yes   /   No   /   Unknown or N/A)

  10. Where materials will be executed from below the water table, have seasonal fluctuations of the water table been determined?

        (Yes   /   No   /   Unknown or N/A)

  11. Are special permit requirements been covered?

        (Yes   /   No   /   Unknown or N/A)

  12. Have pit reclaimation requirements been covered adequately?

        (Yes   /   No   /   Unknown or N/A)

  13. Has a material site sketch (plan and profile) been provided for inclusion in the plans, which contains:

    1. Material site number?

          (Yes   /   No   /   Unknown or N/A)

    2. North arrow and legal subdivision?

          (Yes   /   No   /   Unknown or N/A)

    3. Test hole or test pit logs, locations, numbers and date?

          (Yes   /   No   /   Unknown or N/A)

    4. Water table elevation and date?

          (Yes   /   No   /   Unknown or N/A)

    5. Depth of unsuitable overburden, which will have to be stripped?

          (Yes   /   No   /   Unknown or N/A)

    6. Suggested overburden disposal area?

          (Yes   /   No   /   Unknown or N/A)

    7. Proposed mining area and previously mined areas?

          (Yes   /   No   /   Unknown or N/A)

    8. Existing stockpile locations?

          (Yes   /   No   /   Unknown or N/A)

    9. Existing or suggested access road?

          (Yes   /   No   /   Unknown or N/A)

    10. Bridge load limits?

          (Yes   /   No   /   Unknown or N/A)

    11. Reclaimation details?

          (Yes   /   No   /   Unknown or N/A)

  14. Are recommended special provisions provided?

        (Yes   /   No   /   Unknown or N/A)

*A response other than (yes) or (N/A) for any of these checklist questions is cause to contact the appropriate geotechnical engineer for a clarification and/or to discuss the project.

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Updated: 04/07/2011
 

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