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<td colspan="4"><h5 id="nrcs"><img src="media/image1.png"
style="width:0.58819in;height:0.34444in" />NRCS</h5>
<p><sup>Natural Resources Conservation Service</sup></p></td>
<td colspan="15"><h2 id="water-sediment-control-basin">WATER &amp;
SEDIMENT CONTROL BASIN</h2>
<h1 id="conservation-practice-job-sheet-638">Conservation Practice Job
Sheet 638</h1></td>
</tr>
<tr class="even">
<td colspan="19"><h2 id="april-2003">April 2003</h2></td>
</tr>
<tr class="odd">
<td>Client:</td>
<td colspan="6">     </td>
<td colspan="2">Tract:</td>
<td colspan="3">     </td>
<td colspan="2">Farm No.</td>
<td>     </td>
<td colspan="2">Field No.:</td>
<td colspan="2">     </td>
</tr>
<tr class="even">
<td colspan="3">Farm/Ranch Location:</td>
<td colspan="3">     </td>
<td colspan="2">County:</td>
<td colspan="3">     </td>
<td colspan="3">Acre(s):</td>
<td>     </td>
<td>Date:</td>
<td colspan="3">11/14/23</td>
</tr>
<tr class="odd">
<td colspan="2">Program:</td>
<td colspan="3">     </td>
<td colspan="5">Contract Item #:</td>
<td colspan="3">     </td>
<td colspan="3">Planned Installation Date:</td>
<td colspan="3">     </td>
</tr>
<tr class="even">
<td colspan="3">Drawing No.:NM-E-</td>
<td colspan="3">     </td>
<td colspan="13"></td>
</tr>
<tr class="odd">
<td colspan="18">Definition:</td>
<td></td>
</tr>
</tbody>
</table>

An earth embankment or a combination ridge and channel generally
constructed across the slope and minor water courses to form a sediment
trap and water detention basin.

**Purpose:**

To improve farmability of sloping land; reduce watercourse and gully
erosion; trap sediment; reduce and manage onsite and downstream runoff;
and improve downstream water quality.

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  Requirements:

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-   CONSTRUCTION SHALL NOT COMMENCE UNTIL THE DESIGN IS APPROVED BY THE
    APPROPRIATE NRCS REPRESENTATIVE.

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-   It shall be the responsibility of the owner / leasee to obtain all
    necessary permits and/or rights, and to comply with all ordinances
    and laws pertaining to this installation.

-   On Federal, State, or Tribal lands, or when Federal funding is
    involved on private land, the landowner / lessee must have
    archaeological clearance and approval / permit from the responsible
    permitting agency prior to any construction. If during installation,
    any cultural resources, historical resources, or threatened /
    endangered species are found, the landowner / lessee must cease
    operations and obtain archaeological clearance and approval / permit
    from the responsible permitting agency prior to continuing
    construction.

-   NRCS assumes no responsibility for interference with private or
    public utilities or facilities.

-   Supporting data for this practice are to include a record of
    planning, design, installation, checking, and maintenance necessary
    to ensure an effective practice. Location identification is
    required.

-   Installation shall be in accordance with the drawings,
    specifications, and special requirements.

-   The following additional data is required as applicable: Profile and
    cross sections of embankment and channel, yardage computations,
    clearing, adequacy of vegetation, and fencing.

-   NM-ENG-121, 127, 143, 184, and 242 can be used to assist in system
    design.

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  **[Practice Classification and Approval (NEM Section 501):]{.mark}**

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Job Class is based upon the following limiting element from Practice
Specification 638:

  ----------------------- ----------------- --------- --------------- -------
                                            **Job                     
                                            Class**                   

  **Height of Fill**      **\_\_\_\_\_\_                              
                          Feet**                                      

  **Drainage Area**       **\_\_\_\_\_\_                              
                          Acres**                                     
  ----------------------- ----------------- --------- --------------- -------

Design Approved By:
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
Date: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

Authorized Designer

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  **[Landowner/Operator Acknowledgement and Acceptance:]{.mark}**

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The landowner/operator acknowledges that:

-   They have received a copy of the approved construction drawings and
    specifications, and understand the contents and requirements, and

-   Maintenance of the installed work is necessary for proper
    performance for the life of the practice. All federal cost shared
    practices must be maintained to these specifications for the
    expected life of the practice.

Accepted by:
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_;
Date: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

Landowner/Operator

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  **[Practice Completion:]{.mark}**

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I have made an on-site inspection (or I am accepting owner/contractor
documentation located in the case file). I have determined that the job,
as installed, conforms to the drawings and specifications, and that
\_\_\_\_\_\_\_Each Water and Sediment Control Basin (s), was (were)
installed according to Specification 638.

Accepted by: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_;
Job Title: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_; Date:
\_\_\_\_\_\_\_\_\_\_\_\_

Authorized NRCS Representative