**NATURAL RESOURCES CONSERVATION SERVICE**

**CONSERVATION PRACTICE CONSTRUCTION SPECIFICATION**

**MANURE TRANSFER**

**CODE 634**

1.  **SCOPE**

> The work shall consist of furnishing, assembling, and installing all
> components for conveying manure as shown on the drawings. Details of
> construction shown on the drawings but not included herein are
> considered as part of this specification.

2.  **SITE PREPARATION**

> Site preparation (mobilization and demobilization, clearing and
> grubbing, structure removal, pollution control, and water for
> construction) shall be in accordance with Construction Specification
> 587.

3.  **MATERIALS**

    a.  **Pipe**

> Pipe shall be of the size, type and pressure class as shown on the
> drawings and in accordance with the following:

  ------------------------------------------------------- ----------------------------
  [Gravity Pipes]{.underline}                             [ASTM
                                                          Specification]{.underline}

  PVC Pressure-Rated Pipe (SDR Series)                    D 2241

  PVC Plastic Pipe, Schedules 40, 80, and 120             D 1785

  PVC Plastic Pipe Fittings, Schedule 40                  D 2466

  PVC (Type PSM) Sewer Pipe and Fittings                  D 3034

  PVC Large Diameter Plastic Gravity Sewer Pipe and       F 679
  Fittings                                                

  Solvent Cements for PVC Plastic Piping Systems          D 2564

  PE Plastic Pipe, Schedules 40 and 80, Based on Outside  D 2447
  Diameter                                                

  PE Plastic Pipe (DR-PR) Based on Controlled Outside     D 3035
  Diameter                                                

  PE Large Diameter Profile Wall Sewer and Drain Pipe     F 894

  Joints For Drain and Sewer Plastic Pipes Using Flexible D 3212
  Elastomeric Seals                                       

  Pipe, Steel, Black & Hot Dipped, Zinc-coated, Welded &  A 53
  Seamless                                                

  Pipe, Steel, Electric-Fusion (Arc)-Welded               A 134

  Electric-Resistance-Welded Steel Pipe                   A 135

  Electric-Fusion (Arc)-Welded Steel Pipe                 A 139

  Reinforced Concrete Culvert, Storm Drain, and Sewer     C 76
  Pipe                                                    
  ------------------------------------------------------- ----------------------------

  ------------------------------------------------------- ----------------------------
  [Pressure Pipes]{.underline}                            [ASTM
                                                          Specification]{.underline}

  PVC Pressure-Rated Pipe, Minimum wall thickness of SDR  D 2241
  26                                                      

  PVC Plastic Pipe Fittings, Schedule 40                  D 2466

  PVC Plastic Pipe, Schedules 40, 80, and 120             D 1785

  PVC Plastic Drain, Waste, and Vent Pipe and Fittings    D 2665

  Solvent Cements for PVC Plastic Piping Systems          D 2564

  PE Plastic Pipe (DR-PR), minimum wall thickness of DR   D 3035
  26                                                      

  PE Plastic Pipe, Schedule 40                            D 2104

  PE Plastic Pipe, Schedule 40 and 80, Based on Outside   D 2447
  Diameter                                                

  Pipe, Steel, Black & Hot Dipped, Zinc-coated, Welded &  A 53
  Seamless                                                

  Pipe, Steel, Electric-Fusion (Arc)-Welded               A 134

  Electric-Resistance-Welded Steel Pipe                   A 135

  Electric-Fusion (Arc)-Welded Steel Pipe                 A 139
  ------------------------------------------------------- ----------------------------

b.  **Pumps and Motors**

> Pumps and motors shall be of the type as specified on the drawings.
> Pumps shall be specifically rated for handling for handling livestock
> waste. Pumps and motors shall be installed in accordance with the
> manufacturer's recommendations.
>
> All wiring and electrical connections shall meet applicable state and
> local electrical codes.

c.  **Concrete**

> Concrete work shall be in accordance with Construction Specification
> 587C. The class of concrete required is 3000 unless otherwise
> identified on the drawings.

d.  **Timber**

> Timber work shall be in accordance with Construction Specification
> 587T.

e.  **Pre-Fabricated Structures**

> Tanks shall be watertight and constructed durable material. Fiberglass
> or polyethylene tanks may not be used unless shown on the drawings.

4.  **FOUNDATION WORK**

> Foundation work (diverting surface water, dewatering the construction
> site, dewatering borrow areas, and foundation preparation) shall be in
> accordance with Construction Specification 587.

5.  **EARTHWORK**

> Earthwork (common excavation and earthfill) shall be in accordance
> with Construction Specification 587.
>
> All excavations for the gravity manure transfer pipelines shall be
> constructed to the widths, depths, lines, grades, elevations and cross
> sections as shown on the drawings. The minimum trench width shall be
> according to the following table:

  ---------- ---------- ------ ---------- ---------- ------ ---------- ----------
  Nominal    Minimum           Nominal    Minimum           Nominal    Minimum
  Pipe       Trench            Pipe       Trench            Pipe       Trench
  Diameter   Width             Diameter   Width             Diameter   Width
  (inches)   (inches)          (inches)   (inches)          (inches)   (inches)

  4          19                12         34                30         65

  6          22                15         38                36         75

  8          26                18         44                42         84

  10         29                24         54                48         91
  ---------- ---------- ------ ---------- ---------- ------ ---------- ----------

6.  **COMPONENT INSTALLATION**

> All components of the system shall be installed to the lines and
> grades shown on the drawings.
>
> Pipe shall be placed on undisturbed soil or non-yielding recompacted
> material. Where pipes are installed to transfer waste to or from an
> earthen waste storage facility, the side slopes of the trench shall
> have a slope no steeper than 1H:1V to allow for adequate compaction.
>
> Pipe joints shall be made with manufactured fittings that are of the
> same material and are comparable in strength with the specified
> material. Pipe lengths shall be joined in accordance with
> manufacturer's recommendations. All pipe shall be installed with water
> tight, pressure rated joints. Elbows or bends in the pipe alignment
> greater than 5 degrees shall be supported by concrete thrust blocks,
> or other mechanical thrust restraint. If thrust blocks are used, they
> will be cast against nonyielding, undisturbed or compacted material.
>
> Any appurtenances such as gates, valves, breathers and vents shall be
> installed at the location shown on the drawings. Items shall be
> fabricated as shown on the drawing or installed according to
> manufacturer's recommendations.
>
> Openings in concrete for appurtenances, pipe, et cetera, shall be
> sealed by packing a neat cement-mortar mix bituminous caulk or other
> appropriate joint sealing compound between the appurtenance and the
> wall to form a liquid-tight seal.
>
> All transfer equipment shall be installed in accordance with the
> manufacturer's recommendations.
>
> The contractor shall provide in writing the performance
> characteristics (discharge and head) of the transfer equipment and its
> relationship to or requirements of the following:

-   Operating horsepower requirements.

-   Maximum or minimum elevation or distance instructions.

-   Daily operational maintenance requirements.

-   Estimated serviceable life.

> All pipe shall be installed with watertight joints.

7.  **MEASUREMENT**

> [Site Preparation]{.underline}
>
> There is no measurement for mobilization and demobilization, structure
> removal, pollution control, or water for construction.
>
> The area cleared and grubbed shall be measured to the nearest 0.1
> acre.
>
> [Foundation Work]{.underline}
>
> There is no measurement for diverting surface water, dewatering the
> construction site, or foundation preparation.
>
> [Earthwork]{.underline}
>
> The volume of excavation shall be measured within the specified limits
> and computed to the nearest cubic yard by the method of average
> cross-sectional end areas.
>
> The earthfill volume shall be measured within the specified limits and
> computed to the nearest cubic yard by the method of average
> cross-sectional end areas.
>
> [Concrete]{.underline}
>
> Concrete is measured to the neat lines shown on the drawings, and
> volume of concrete is computed to the nearest 0.1 cubic yard.
> Measurement of concrete placed against the sides of an excavation
> without using intervening forms is made only to the neatness or pay
> limits shown on the drawings. No deduction in volume is made for
> chamfers, rounded or beveled edges, or any void or embedded item that
> is less than 5 cubic feet in volume.
>
> The weight of steel reinforcement placed in the concrete in accordance
> with the drawings is determined to the nearest pound by computation
> from the placing drawings. Measurement of hooks and bends is based on
> the requirements of ACI Standard 315. Computation of weights of
> reinforcement or welded wire fabric is based on tables in ACI Standard
> 315. The area of welded wire fabric reinforcement placed in the
> concrete in accordance with the drawings is determined to the nearest
> square foot by computation from the placing drawings with no allowance
> for required laps. The weight of steel reinforcing in extra splices or
> extra-length splices approved for the convenience of the contractor or
> the weight of supports and ties is not included in the measurement.
>
> [Pipe]{.underline}
>
> The quantity of each size, type, and class of pipe shall be determined
> to the nearest foot by measurement of the laid length of pipe along
> the crown centerline of the conduit.
>
> [Pumps, Motors and Pre-Fabricated Structures]{.underline}
>
> Measurement shall be identifying the number of items installed.
>
> Project Name:
>
> Date:

8.  **ITEMS OF WORK AND CONSTRUCTION DETAILS**

> Items of work to be prepared in conformance with this specification
> and the construction details are: