96E06/13/07

S402-96E.doc

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  Use on projects with less that 1000 tons or for paved ditches.

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**Section 402. - MINOR HOT ASPHALT CONCRETE**

**Construction Requirements**

**402.09 Acceptance.** [Add the following:]{.underline}

During construction, submit samples of the loose mix to the CO.

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  Use on projects with 1000 to 5000 tons of asphalt hot mix.

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**Section 402. - MINOR HOT ASPHALT CONCRETE**

**Construction Requirements**

**402.02 Composition of Mix (Job-Mix Formula).** [Delete the text and
substitute the following:]{.underline}

Furnish hot asphalt concrete mix composed of crushed stone or gravel and
asphalt binder mixed in an approved plant. Use an aggregate quality,
gradation and an asphalt binder grade conforming to those used locally
in the construction of highways by the State Department of
Transportation. A job-mix formula developed solely for this project will
not be allowed.

Submit a currently approved State Department of Transportation job-mix
formula for approval at least 28 days before production. Include the
location of all commercial mixing plants to be used and a separate
job-mix formula for each plant.

For each proposed job-mix formula, submit a production certification
meeting state agency specifications and conforms to design parameters
(a), (b), or (c) from Table 402-1 for the type of mix submitted. The
job-mix formula must meet design parameter (d) in Table 402-1. Submit a
sample of loose mix to the CO 21 days prior to placement. Include a
signed statement prepared by the testing laboratory that certifies the
proposed job-mix formula meets the requirements of the contract and can
be compacted in the field during production to meet the contract
requirements. For each job-mix formula include copies of laboratory test
results with the following information:

> • Stockpile blend ratios
>
> • Individual stockpile and combined aggregate gradations
>
> • Target value for percent passing each sieve size for the aggregate
> blend
>
> • Aggregate properties
>
> • Target asphalt binder content
>
> • Maximum density value according to AASHTO T 209
>
> • Test values for (a), (b), or (c) and (d) from the Table 402-1
>
> • Submit loose mix sample three weeks prior to paving
>
> • History demonstrating the job-mix formula has been used in the area

**Table 402-1**

Minor Hot Asphalt Concrete Mix Requirements

+---------------------------------------------------------+------------+
| **Design Parameters**                                   | **Speci    |
|                                                         | fication** |
+---------------------------------------------------------+------------+
| \(a\) Superpave (AASHTO M 323, R 35, and T 312)         | 7, 75, 115 |
|                                                         |            |
| > \(1\) Gyratory compaction effort                      | Table 6    |
| >                                                       |            |
| > \(2\) Volumetric properties 0.3 to 3 million ESALS's  |            |
| > traffic level (AASHTO M 323)                          |            |
+---------------------------------------------------------+------------+
| \(b\) Hveem (AASHTO T 246 and AASHTO T 247)             | 35         |
|                                                         |            |
| > \(1\) Stabilometer, minimum                           | 3 -- 5     |
| >                                                       |            |
| > \(2\) Percent Air Voids ^(1)^                         |            |
+---------------------------------------------------------+------------+
| \(c\) Marshall (AASHTO T 245)                           | 2800       |
|                                                         |            |
| > \(1\) Stability, pounds minimum                       | 8 - 16     |
| >                                                       |            |
| > \(2\) Flow, 0.01 inch                                 | 3 - 5      |
| >                                                       |            |
| > \(3\) Percent Air Voids ^(1)^                         | 75         |
| >                                                       |            |
| > \(4\) Compaction, number of blows per side            |            |
+---------------------------------------------------------+------------+
| \(d\) Moisture Susceptibility (AASHTO T 165 and T 167   | 70         |
| or AASHTO T 283)                                        |            |
|                                                         |            |
| > \(1\) Retained strength, % minimum                    |            |
+---------------------------------------------------------+------------+

> ^(1)^ The percent of air voids are based on AASHTO T 166, AASHTO T 209
> and AASHTO T 269.

Up to 25 percent recycled asphalt pavement material by mass may be used
in the mix.

**402.07 Compacting.** [Add the following:]{.underline}

Do not use diesel fuel or other petroleum derivatives as a release agent
with any roller or other compaction device used to compact the asphalt
mix

**(a) Roadway paving.** [Delete the text and substitute the
following:]{.underline}

Compact the mix to a minimum of 92 percent of maximum specific gravity
(density). Determine density by nuclear gauge.

**402.09 Acceptance.** [Delete the text and substitute the
following:]{.underline}

Minor hot asphalt concrete mixture will be evaluated under Subsections
106.02, 106.03 and 106.04.

Minor hot asphalt concrete construction work will be evaluated under
Subsections 106.02 and 106.04. See Table 402-2 for minimum sampling and
testing requirements.

During placement the contractor will sample the loose mix according to
Table 402-2. A split sample will be submitted to the CO for
verification. Materials that do not meet the approved job mix formula
will be considered unacceptable.

[Delete Table 402-2 and substitute the following:]{.underline}

**Table 402-2**

Sampling, Testing and Acceptance Requirements

+--------+--------+-------+----------+-------+---------+-----+-------+
| **Ma   | **Type | **C   | **Test   | **    | **Point | **S | **R   |
| terial | of     | harac | Methods  | Sampl | of**    | pli | eport |
| or     | Accept | teris | or       | ing** |         | t** | ing** |
| Prop   | ance** | tic** | Specific |       | **Sam   |     |       |
| erty** |        |       | ations** | **F   | pling** | *   | **T   |
|        | **(S   |       |          | reque |         | *Sa | ime** |
|        | ubsect |       |          | ncy** |         | mpl |       |
|        | ion)** |       |          |       |         | e** |       |
+--------+--------+-------+----------+-------+---------+-----+-------+
| Minor  | Me     | Jo    | Su       | 1 per | Flowing | \-  | 21    |
| Hot    | asured | b-mix | bsection | jo    | mix     | \-- | days  |
| A      | and    | fo    | 402.02   | b-mix | stream  |     | b     |
| sphalt | Tested | rmula | ^(1)^    | fo    | (bin or |     | efore |
| Co     | for    | ve    |          | rmula | belt    |     | app   |
| ncrete | Confo  | rific |          |       | dis     |     | roval |
| Pa     | rmance | ation |          |       | charge) |     | of    |
| vement |        |       |          |       | or      |     | jo    |
|        | (      |       |          |       | behind  |     | b-mix |
| (d     | 106.03 |       |          |       | the     |     | fo    |
| esign) | &      |       |          |       | laydown |     | rmula |
|        | 1      |       |          |       | machine |     |       |
|        | 06.04) |       |          |       | before  |     |       |
|        |        |       |          |       | r       |     |       |
|        |        |       |          |       | olling. |     |       |
+--------+--------+-------+----------+-------+---------+-----+-------+
| Minor  | Me     | Jo    | Su       | 1 per | Behind  | Yes | 24    |
| Hot    | asured | b-mix | bsection | 700   | the     |     | hours |
| A      | and    | fo    | 402.02   | ton   | laydown |     |       |
| sphalt | Tested | rmula | ^(1)^    |       | machine |     |       |
| Co     | for    | ve    |          |       | before  |     |       |
| ncrete | Confo  | rific |          |       | rolling |     |       |
| Pa     | rmance | ation |          |       |         |     |       |
| vement |        |       |          |       |         |     |       |
|        | (1     |       |          |       |         |     |       |
| (produ | 06.04) |       |          |       |         |     |       |
| ction) |        |       |          |       |         |     |       |
+--------+--------+-------+----------+-------+---------+-----+-------+
|        |        | Compa | AASHTO T | 1 per | I       | "   | "     |
|        |        | ction | 166 and  | 700   | n-place |     |       |
|        |        | ^(2)^ | AASHTO T | ton   | after   |     |       |
|        |        |       | 209      |       | comp    |     |       |
|        |        |       |          |       | action. |     |       |
+--------+--------+-------+----------+-------+---------+-----+-------+
|        |        | Smoot | Su       | \-\-- | \-\--   | \-  | \-\-- |
|        |        | hness | bsection |       |         | \-- |       |
|        |        |       | 402.08   |       |         |     |       |
+--------+--------+-------+----------+-------+---------+-----+-------+

> ^(1)^ Use only sieves indicated on the job-mix formula for the
> specified gradation.
>
> ^(2)^ Cut core samples from the compacted pavement and carefully
> remove using a core retriever. Fill and compact the sample holes with
> asphalt concrete mixture.