C04_Attachment 3 Statement of Work.docx

US Department of Agriculture (USDA)

“Statement of Work”

ARU Fencing and Concrete Line Feeders 2026 United States Department of Agriculture-National Centers for Animal Health 1920 Dayton Avenue Ames, Iowa 50010

Contents

Project ARU Fencing and Concrete Line Feeders 2026

General Information

1.0 Scope of Work

1.1. This acquisition is for the removal and replacement of fencing for containment of research animals and the renovation of the feeding areas around the corral areas in multiple locations at the Ames, IA campus. The locations and tasks are listed in Section 3.0 of the document. This project shall be proposed as a base plus options

1.2. The contractor shall phase these efforts to maintain partial facility operations and research during construction. Phasing subject to approval of the Contracting Officer’s Representative (COR).

2.0 Background

2.

2.1. The Ames, Iowa USDA facility includes approximately 11,645,595.57 square feet of exterior animal holding areas and research food-production fields, equivalent to about 267.34 acres. The animal holding locations, including corral fencing and feeding areas and pasture fencing, require constant maintenance and repairs due to the various conditions such as age, weather, and daily usage.

Contractor Requirements

3.0 Technical Requirements / Tasks

Work shall be phased as needed to maintain continuous containment of animals. Coordinate phasing with contracting officer’s representative (COR) to minimize campus disruption.

The project shall be proposed as follows:

· Base Bid: Pasture Fencing at Field Barn 207

· Option 1: Pasture Fencing at Field Barn 208

· Option 2: Corral Fencing, Backstop and Slab at Field Barn 201 and 202

· Option 3: Corral Fencing, Backstop and Slab at Field Barn 203 and 204

· Option 4: Concrete Slab, Knee Walls and Metal Posts at FB 209

· Option 5: Concrete Slab, Knee Walls and Metal Posts - Field Barn H6

· Option 6: Concrete Slab, Knee Walls and Metal Posts - Field Barn Z3

The following are the requirements of each pasture. Pastures with identical requirements are grouped together for clarity. The contractor shall install the new fencing system at each field barn as specified and shown in the drawings. The contractor should pay specific attention to the Add Alternatives and separate out the pastures as required.

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2.

3.

3.1. Pasture Fencing - Field Barn 207 and 208 (10 Days to Complete):

The Contractor shall furnish all labor, equipment, and materials necessary to complete the following:

· Fence Removal The contractor shall remove and properly dispose of approximately 1,476 linear feet (each pasture) of existing field barn pasture fencing. This includes fence fabric, wire strands, barbed wire, posts of all types, lumber components, and concrete footings. Post holes and footing voids shall be filled with suitable compacted material to match existing grades, and voids in concrete surfaces shall be filled with concrete matching existing pad composition and finish. All removed materials must be transported from the site and disposed of at an approved landfill facility.

· New Fence Installation Approximately 1,476 linear feet of 5‑foot‑high woven wire fencing shall be installed per the following:

· Constructed of minimum 12‑gauge galvanized steel with 2-inch by 4-inch mesh. Mesh shall be 48” high.

· The fence bottom shall not exceed 2 inches above finished grade and must be installed plumb, tight, and uniformly aligned.

· Fence mesh shall be secured using 1.5‑inch barbed staples installed without damaging the wire.

· Three strands of minimum 12¾‑gauge barbed wire shall be installed:

· One strand 1 inch below the woven‑wire bottom

· One strand 2 inches above the woven‑wire top

· One strand 6 inches above the woven‑wire top

· All strands shall be tensioned and fastened with 1.5‑inch barbed staples.

· The contractor shall follow the drawings and verify field conditions.

· Post and Footings All posts shall be new pressure‑treated wood. The following requirements must be met:

· Corner, end, gate hinge, and center posts: minimum 8‑inch diameter (round)

· Line posts: minimum 6‑inch diameter (round)

· Posts shall be installed plumb and aligned in concrete footings

· Material around footings and posts must be appropriately compacted to prevent movement.

· Maximum spacing between posts shall be 10 feet on center.

· Bracing Requirements Bracing shall be provided at all corner posts, end posts, and at center posts located along long fence runs. Bracing shall consist of 6‑inch by 6‑inch pressure‑treated lumber installed at a 45‑degree angle in accordance with project drawings.

· Gates Reuse existing gates in existing locations. Provide new hardware to match existing hinge/latch locations and operations.

3.2. Corral Fencing, Backstop and Slab - Typical for Field Barns 201-202 (30 Days each to Complete):

The Contractor shall furnish all labor, equipment, and materials necessary to complete the following:

· Wood Fence Removal The contractor shall remove and properly dispose of approximately 24 linear feet (each field barn) of existing field barn corral fencing. This includes fence posts of all types, lumber components, and concrete footings. Post holes and footing voids shall be filled with suitable compacted material to match existing grades, and voids in concrete surfaces shall be filled with concrete matching existing pad composition and finish. All removed materials must be transported from the site and disposed of at an approved landfill facility. Work shall be phased as needed to maintain continuous containment of animals.

· New Wood Fence Installation Contractor shall provide all labor, equipment, and materials to construct and install wooden fence panels at location shown on drawings.

· Each panel shall be 12 feet wide and constructed from 2-inch x 8-inch pressure‑treated lumber.

· Panels shall begin at ground level.

· Panel height: minimum 8 feet and maximum 8 feet 6 inches.

· Lower 6 feet: 2-inch x 8-inch boards installed tightly with no more than 0.25-inch spacing.

· Above 6 feet: boards may be spaced up to 1 inch apart.

· Post and Footings All wood posts shall be new pressure‑treated wood. The following requirements must be met:

· End posts: minimum 8-inch round

· Center post: minimum 6-inch round.

· Posts shall be installed plumb and aligned in concrete footings

· Concrete footing diameter: 3 times post diameter

· All posts shall be set 4 feet deep in concrete footing

· Material around footings and posts must be appropriately compacted to prevent movement.

· Continuous Metal Fence Installation:

The contractor shall provide all labor, equipment, and materials to install approximately 137 linear feet of continuous metal fencing per field barn. Refer to attached drawings for exact alignment (blue lines).

· Posts:

· Posts shall be installed plumb and aligned in concrete footings

· Concrete footing diameter: 3 times post diameter

· All posts shall be set 4 feet deep in concrete footing, extend 64 inches above grade, and be spaced no more than 6 feet apart

· Material around footings and posts must be appropriately compacted to prevent movement.

· Line posts:

· Minimum diameter 2.875 inches

· Wall thickness 0.190 to 0.210 inches

· 2.5-inch Schedule 40 galvanized pipe is acceptable

· Corner and gate attachment posts:

· Minimum diameter 4.5 inches Schedule 80 galvanized pipes

· Wall thickness 0.310 to 0.330 inches

· Bars:

· Horizontal bars:

· Minimum diameter 1.90 inches

· Wall thickness no less than 0.145 inches

· 1.5-inch Schedule 40 galvanized pipe

· No less than nine (9) horizontal bars with the bottom bar at 4” above the ground level and the remaining bars spaced as indicated by the chart on the attached drawing.

· Vertical bars:

· Shall be NLT 1.66” diameter with wall thickness no less than 0.140”.

· Vertical bars shall be spaced no more than 60 inches apart. 1.25-inch, schedule 40, galvanized pipe.

· Gates:

· Install (2) gates: 12 feet wide x 5 feet high (Locations shown on drawings)

· Remove 6’ gate as shown in drawings.

· Gate construction:

· Fabricated from 1.5-inch Schedule 40 galvanized steel pipe

· Schedule 20 pipes may be substituted with prior COR approval

· Each gate contains no fewer than nine (9) horizontal bars:

· Bottom bar located 4 inches above grade

· Remaining bars spaced per the drawing chart

· Gate operation & hardware:

· Gates must swing both into and out of the pen

· Gate height: top of gate no more than 60 inches above ground

· Hinges mounted to wooden posts using through‑bolts with nuts and washers

· Provide heavy‑duty 2‑way lockable latch and chain

· “Bulldog” hinges may be used when attaching to steel fence posts

· Raised Concrete Backstop:

Provide all labor, materials, and equipment necessary to construct a raised concrete backstop with integrated metal posts and fencing as indicated on the drawings and as specified below.

· Construct a raised reinforced concrete backstop measuring 18 inches wide, 3 feet tall, and 10 feet long.

· Backstop shall be doweled into the existing concrete slab using #5 reinforcing bars.

· Dowels shall extend 4 inches into the existing slab and shall be spaced and centered every 2 feet along the length.

· Reinforcement shall be fully embedded in concrete and installed to industry standards.

· Post Installation:

· Install metal fence posts within the raised backstop.

· Posts shall be placed 3 inches from the inside edge of the raised concrete backstop.

· Posts shall be plumbed, aligned, and anchored to achieve rigidity prior to fence installation.

· Drainage Installation:

· Install one (1) 2‑inch PVC drainpipe through the raised concrete backstop.

· The drainpipe shall be positioned at ground level, approximately 1 foot from the backstop corner, oriented pointing south for proper drainage.

· Location of the drainpipe shall be confirmed with COR prior to installation.

· Trim drainpipe flush with the finished concrete surface.

· Ensure pipe remains unobstructed and functional.

· Metal Fence Installation:

· Install metal fencing above the raised concrete backstop.

· Bottom horizontal bar shall be set 3 inches above the top of the concrete backstop.

· Spacing between horizontal bars shall match the spacing shown in the project drawings for the lower seven bars.

· All fence components shall be properly secured to posts. Post imbedded in the concrete backstop.

· Bars shall be aligned from the top down. The bottom gap shall not exceed the maximum distance provided on the table.

· Concrete Slab: Contractor shall install a new concrete slab as indicated in construction drawings and specifications below.

· Slab shall be 20 ft × 10 ft × 8 in.

· Reinforcement: 5 Rebar, 16 in O.C. each way.

· General:

· Slab dimensions: 20 ft length × 10 ft width × 8 in thickness

· Concrete strength: 4,000 psi (typical unless otherwise specified)

· Subbase: 4–6-inch compacted granular material

· All work performed to applicable local codes and ACI 302/318 guidelines

· Reinforcement:

· Reinforcement type: #5 (⅝ in) deformed steel bars

· Grid spacing: 16 in O.C. each direction

· Placement: mid-depth in slab unless otherwise specified

· Concrete cover:

· 3-inchesbottom cover

· 2-inches side cover

· 3-inches top cover (for upper mat if used)

· Chairs spaced approx. 4 ft O.C.

· Tie wire: tie at every bar intersection

· Concrete Requirements:

· Thickness: 8 in

· Slump: 4–5 in typical

· Air content: 5–7% if exposed to freeze–thaw

· Placement: continuous pour, properly consolidated

· Jointing:

· Control joints: every 10 ft in each direction

· Sawcut depth: at least 1/4 slab thickness (≈2 in)

· Timing: after finishing, as soon as raveling stops

· Isolation joints: around fixed structures, posts, or walls

· Subgrade & forming:

· Add subgrade as required

· Subgrade compacted to ~95% modified Proctor (typical)

· Forms:

· 2×8 or 2×10 lumber typically used

· Stakes every 3–4 ft

· Apply form release as needed

· Finishing:

· Screed and bull-float immediately after placement

· Exterior slabs: broom finish required for slip resistance

· Curing: Moist cure or curing compound for at least 7 days– Protect from premature drying or traffic

· Quality Control:

· Verify rebar spacing and cover before pour

· Check slump, air content, and batch info from truck

· Maintain continuous pour to avoid cold joints

· Document pour times and inspection checks

3.3. Corral Fencing, Backstop and Slab - Typical for Field Barns 203 – 204 (30 Days each to Complete):

The Contractor shall furnish all labor, equipment, and materials necessary to complete the following:

· Wood Fence Removal:

The contractor shall remove and properly dispose of approximately 24 linear feet (each field barn) of existing field barn corral fencing. This includes fence posts of all types, lumber components, and concrete footings. Post holes and footing voids shall be filled with suitable compacted material to match existing grades, and voids in concrete surfaces shall be filled with concrete matching existing pad composition and finish. All removed materials must be transported from the site and disposed of at an approved landfill facility. Work shall be phased as needed to maintain continuous containment of animals.

· New Wood Fence Installation Contractor shall provide all labor, equipment, and materials to construct and install wooden fence panels at location shown on drawings.

· Each panel shall be 12 feet wide and constructed from 2-inch x 8-inch pressure‑treated lumber.

· Panels shall begin at ground level.

· Panel height: minimum 8 feet and maximum 8 feet 6 inches.

· Lower 6 feet: 2-inch x 8-inch boards installed tightly with no more than 0.25-inch spacing.

· Above 6 feet: boards may be spaced up to 1 inch apart.

· Post and Footings All wood posts shall be new pressure‑treated wood. The following requirements must be met:

· End posts: minimum 8-inch round

· Center post: minimum 6-inch round.

· Posts shall be installed plumb and aligned in concrete footings

· Concrete footing diameter: 3 times post diameter

· All posts shall be set 4 feet deep in concrete footing

· Material around footings and posts must be appropriately compacted to prevent movement.

· Continuous Metal Fence Installation:

The contractor shall provide all labor, equipment, and materials to install approximately 154 linear feet of continuous metal fencing per field barn. Refer to attached drawings for exact alignment (blue lines).

· Posts:

· Posts shall be installed plumb and aligned in concrete footings

· Concrete footing diameter: 3 times post diameter

· All posts shall be set 4 feet deep in concrete footing, extend 64 inches above grade, and be spaced no more than 6 feet apart

· Material around footings and posts must be appropriately compacted to prevent movement.

· Line posts:

· Minimum diameter 2.875 inches

· Wall thickness 0.190 to 0.210 inches

· 2.5-inch Schedule 40 galvanized pipe is acceptable

· Corner and gate attachment posts:

· Minimum diameter 4.5 inches Schedule 80 galvanized pipes

· Wall thickness 0.310 to 0.330 inches

· Horizontal bars:

· Minimum diameter 1.90 inches

· Wall thickness no less than 0.145 inches

· 1.5-inch Schedule 40 galvanized pipe is acceptable

· No less than nine (9) horizontal bars with the bottom bar at 4” above the ground level and the remaining bars spaced as indicated by the chart on the attached drawing.

· Vertical bars:

· Shall be NLT 1.66” diameter with wall thickness no less than 0.140”.

· Vertical bars shall be spaced no more than 60 inches apart. 1.25-inch, schedule 40, galvanized pipe.

· Gates:

· Install (4) gates: 12 feet wide x 5 feet high (Locations shown on drawings)

· Install (1) gates: 8 feet wide x 5 feet high (Location shown on drawings)

· Remove 6-foot gate as shown in drawings.

· Reuse 6-foot gates on sides of feeder area (Location shown on drawings)

· Gate construction:

· Fabricated from 1.5-inch Schedule 40 galvanized steel pipe

· Schedule 20 pipes may be substituted with prior COR approval

· Each gate contains no fewer than nine (9) horizontal bars:

· Bottom bar located 4 inches above grade

· Remaining bars spaced per the drawing chart

· Gate operation & hardware:

· Gates must swing both into and out of the pen

· Gate height: top of gate no more than 60 inches above ground

· Hinges mounted to wooden posts using through‑bolts with nuts and washers

· Provide heavy‑duty 2‑way lockable latch and chain

· “Bulldog” hinges may be used when attaching to steel fence posts

· Concrete Slab: Contractor shall install a new concrete slab as indicated in construction drawings and specifications below.

· Slab shall be 53 ft × 10 ft × 8 in

· Reinforcement: 5 Rebar, 16 in O.C. each way.

· General:

· Slab dimensions: 20 ft length × 10 ft width × 8 in thickness

· Concrete strength: 4,000 psi (typical unless otherwise specified)

· Subbase: 4–6 in compacted granular material

· All work performed to applicable local codes and ACI 302/318 guidelines

· Reinforcement:

· Reinforcement type: #5 (⅝ in) deformed steel bars

· Grid spacing: 16 in O.C. each direction

· Placement: mid-depth of the slab unless otherwise specified

· Concrete cover:

· 3-inches bottom cover

· 2-inches side cover

· 3-inches top cover (for upper mat if used)

· Chairs spaced approx. 4 ft O.C.

· Tie wire: tie at every bar intersection

· Concrete Requirements:

· Thickness: 8 in

· Slump: 4–5 in typical

· Air content: 5–7% if exposed to freeze–thaw

· Placement: continuous pour, properly consolidated

· Jointing:

· Control joints: every 10 ft in each direction

· Sawcut depth: at least 1/4 slab thickness (≈2 in)

· Timing: after finishing, as soon as raveling stops

· Isolation joints: around fixed structures, posts, or walls

· Subgrade & forming:

· Add subgrade as required

· Subgrade compacted to ~95% modified Proctor (typical)

· Forms:

· 2×8 or 2×10 lumber typically used

· Stakes every 3–4 ft

· Apply form release as needed

· Finishing:

· Screed and bull-float immediately after placement

· Exterior slabs: broom finish recommended for slip resistance

· Curing: Moist cure or curing compound for at least 7 days– Protect from premature drying or traffic

· Quality Control:

· Verify rebar spacing and cover before pour

· Check slump, air content, and batch info from truck

3.4. Concrete Slab, Knee Walls and Metal Posts - Field Barn 209 (10 Days to Complete):

· Concrete Slab: Contractor shall furnish all material and labor to install a new concrete slab as indicated in construction drawings and specifications below.

· Slab shall be 31 ft × 17 ft × 8 in.

· Reinforcement: 5 Rebar, 16 in O.C. each way.

· General:

· Slab dimensions: 31 ft length × 17 ft width × 8 in thickness

· Concrete strength: 4,000 psi (typical unless otherwise specified)

· Subbase: 4–6 in compacted granular material

· All work performed to applicable local codes and ACI 302/318 guidelines

· Reinforcement:

· Reinforcement type: #5 (⅝ in) deformed steel bars

· Grid spacing: 16 in O.C. each direction

· Placement: mid-depth of slab unless otherwise specified

· Concrete cover:

· 3-inches bottom cover

· 2-inches side cover

· 3-inches top cover (for upper mat if used)

· Chairs spaced approx. 4 ft O.C.

· Tie wire: tie at every bar intersection

· Concrete Requirements:

· Thickness: 8 in

· Slump: 4–5 in typical

· Air content: 5–7% if exposed to freeze–thaw

· Placement: continuous pour, properly consolidated

· Jointing:

· Control joints: every 10 ft in each direction

· Sawcut depth: at least 1/4 slab thickness (≈2 in)

· Timing: after finishing, as soon as raveling stops

· Isolation joints: around fixed structures, posts, or walls

· Subgrade & forming:

· Add subgrade as required

· Subgrade compacted to ~95% modified Proctor (typical)

· Forms:

· 2×8 or 2×10 lumber typically used

· Stakes every 3–4 ft

· Apply form release as needed

· Finishing:

· Screed and bull-float immediately after placement

· Exterior slabs: broom finish recommended for slip resistance

· Curing: Moist cure or curing compound for at least 7 days– Protect from premature drying or traffic

· Quality Control:

· Verify rebar spacing and cover before pour

· Check slump, air content, and batch info from truck

· Maintain continuous pour to avoid cold joints

· Document pour times and inspection checks

· Knee Wall:

· Height: 12 in

· Thickness: 6 in

· Centered in line with existing steel posts

· Spacing Between Posts: 9 ft – 4.5 in (field verify and adjust for forms)

· Top Profile: Rounded (bull‑nosed) finish along entire length

· Dowels:

· Vertical dowels from curb into existing slab

· Embedment: 4 in into existing concrete slab

· Spacing: 22.5 in on center (aligned with steel posts)

· Bar Size: 5

· Posts:

· Posts shall be installed plumb and aligned in concrete footings

· Concrete footing diameter: 3 times post diameter

· All posts shall be set 4 feet deep in concrete footing, extend 64 inches above grade, and be spaced no more than 6 feet apart

· Material around footings and posts must be appropriately compacted to prevent movement.

· Any excavated soil not used must be removed from site unless otherwise directed.

· Grade around footing must be restored to pre‑existing conditions.

· Exposed post surfaces must be free of concrete splatter and damage to galvanizing.

· Line Feeder Posts: Replace existing wooden posts with posts to the following specifications.

· 4-inch diameter Galvanized Steel Schedule 80 Posts

· Total Length: 112 in

· Galvanized Steel, Schedule 80.

· Outside Diameter: 4.500 in (nominal).

· Wall Thickness: 0.337 in (Schedule 80).

· Finish: ASTM A123 or equivalent galvanizing.

· Post Length: Minimum 112 in (9 ft 4 in) to achieve required embedment and above‑grade height.

· Post Cap: Galvanized steel or UV‑resistant plastic cap, press‑fit or welded.

· Horizontal bars:

· Minimum outside diameter 2.375 inches

· Wall thickness no less than 0.218 inches

· 2-inch Schedule 40 galvanized pipe

· Top bar shall be 52” O.C. above ground (adjustable)

· Bottom bar shall be 28” O.C. above ground (adjustable)

· Attach with U-Bolt crossover clamps (see drawings, pg. 10)

3.5. Concrete Slab, Knee Walls and Metal Posts - Field Barn H6 (10 Days to Complete):

· Concrete Slab: Contractor shall furnish all material and labor to install a new concrete slab as indicated in construction drawings and specifications below.

· Slab shall be 40 ft length × 20 ft × 8 in

· Reinforcement: 5 Rebar, 16 in O.C. each way.

· General:

· Slab dimensions: 40 ft length × 20 ft width × 8 in thickness

· Concrete strength: 4,000 psi (typical unless otherwise specified)

· Subbase: 4–6 in compacted granular material

· All work performed to applicable local codes and ACI 302/318 guidelines

· Reinforcement:

· Reinforcement type: #5 (⅝ in) deformed steel bars

· Grid spacing: 16 in O.C. each direction

· Placement: mid-depth of slab unless otherwise specified

· Concrete cover:

· 3-inches bottom cover

· 2-inches side cover

· 3-inches top cover (for upper mat if used)

· Chairs spaced approx. 4 ft O.C.

· Tie wire: tie at every bar intersection

· Concrete Requirements:

· Thickness: 8 in

· Slump: 4–5 in typical

· Air content: 5–7% if exposed to freeze–thaw

· Placement: continuous pour, properly consolidated

· Jointing:

· Control joints: every 10 ft in each direction

· Sawcut depth: at least 1/4 slab thickness (≈2 in)

· Timing: after finishing, as soon as raveling stops

· Isolation joints: around fixed structures, posts, or walls

· Subgrade & forming:

· Add subgrade as required

· Subgrade compacted to ~95% modified Proctor (typical)

· Forms:

· 2×8 or 2×10 lumber typically used

· Stakes every 3–4 ft

· Apply form release as needed

· Finishing:

· Screed and bull-float immediately after placement

· Exterior slabs: broom finish recommended for slip resistance

· Curing: Moist cure or curing compound for at least 7 days– Protect from premature drying or traffic

· Quality Control:

· Verify rebar spacing and cover before pour

· Check slump, air content, and batch info from truck

· Maintain continuous pour to avoid cold joints

· Document pour times and inspection checks

· Knee Wall:

· Height: 12 in

· Thickness: 6 in

· Centered in line with existing steel posts

· Spacing Between Posts: 9 ft – 4.5 in (field verify and adjust for forms)

· Top Profile: Rounded (bull‑nosed) finish along entire length

· Dowels:

· Vertical dowels from curb into existing slab

· Embedment: 4 in into existing concrete slab

· Spacing: 22.5 in on center (aligned with steel posts)

· Bar Size: 5

· Posts:

· Posts shall be installed plumb and aligned in concrete footings

· Concrete footing diameter: 3 times post diameter

· All posts shall be set 4 feet deep in concrete footing, extend 64 inches above grade, and be spaced no more than 6 feet apart

· Material around footings and posts must be appropriately compacted to prevent movement.

· Brace posts as needed to maintain alignment during curing.

· Minimum concrete cure time before loading: 24–48 hours, depending on temperature.

· Any excavated soil not used must be removed from site unless otherwise directed.

· Grade around footing must be restored to pre‑existing conditions.

· Exposed post surfaces must be free of concrete splatter and damage to galvanizing.

· Line Feeder Posts: Replace existing wooden posts with posts to the following specifications.

· 4-inch diameter Galvanized Steel Schedule 80 Posts

· Total Length: 112 in

· Galvanized Steel, Schedule 80.

· Outside Diameter: 4.500 in (nominal).

· Wall Thickness: 0.337 in (Schedule 80).

· Finish: ASTM A123 or equivalent galvanizing.

· Post Length: Minimum 112 in (9 ft 4 in) to achieve required embedment and above‑grade height.

· Post Cap: Galvanized steel or UV‑resistant plastic cap, press‑fit or welded.

· Horizontal bars:

· Minimum outside diameter 2.375 inches

· Wall thickness no less than 0.218 inches

· 2-inch Schedule 40 galvanized pipe

· Top bar shall be 52” O.C. above ground (adjustable)

· Bottom bar shall be 28” O.C. above ground (adjustable)

· Attach with U-Bolt crossover clamps (see drawings, pg. 10)

3.6. Concrete Slab, Knee Walls and Metal Posts - Field Barn Z3 (10 Days to Complete):

· Knee Wall:

· Install at 3 locations per drawings

· Height: 12 in

· Thickness: 6 in

· Centered in line with existing steel posts

· Spacing Between Posts: 9 ft – 4.5 in (field verify and adjust for forms)

· Top Profile: Rounded (bull‑nosed) finish along entire length

· Dowels:

· Vertical dowels from curb into existing slab

· Embedment: 4 in into existing concrete slab

· Spacing: 22.5 in on center (aligned with steel posts)

· Bar Size: 5

· Concrete Slab: Contractor shall furnish all material and labor to install a new concrete slab as indicated in construction drawings and specifications below.

· (2) Locations – Northeast & North Center Fenceline of Corral

· Northeast Slab dimensions: 36 ft length × 7 ft width × 8 in thickness (dowel into existing slab)

· North Center Slab dimensions: 30 ft length × 10 ft width × 8 in thickness (dowel into existing slab)

· Reinforcement: 5 Rebar, 16 in O.C. each way.

· General:

· Concrete strength: 4,000 psi (typical unless otherwise specified)

· Subbase: 4–6 in compacted granular material

· All work performed to applicable local codes and ACI 302/318 guidelines

· Reinforcement:

· Reinforcement type: #5 (⅝ in) deformed steel bars

· Grid spacing: 16 in O.C. each direction

· Placement: mid-depth of slab unless otherwise specified

· Concrete cover:

· 3-inches bottom cover

· 2-inches side cover

· 3-inches top cover (for upper mat if used)

· Chairs spaced approx. 4 ft O.C.

· Tie wire: tie at every bar intersection

· Concrete Requirements:

· Thickness: 8 in

· Slump: 4–5 in typical

· Air content: 5–7% if exposed to freeze–thaw

· Placement: continuous pour, properly consolidated

· Jointing:

· Control joints: every 10 ft in each direction

· Sawcut depth: at least 1/4 slab thickness (≈2 in)

· Timing: after finishing, as soon as raveling stops

· Isolation joints: around fixed structures, posts, or walls

· Subgrade & forming:

· Add subgrade as required

· Subgrade compacted to ~95% modified Proctor (typical)

· Forms:

· 2×8 or 2×10 lumber typically used

· Stakes every 3–4 ft

· Apply form release as needed

· Finishing:

· Screed and bull-float immediately after placement

· Exterior slabs: broom finish recommended for slip resistance

· Curing: Moist cure or curing compound for at least 7 days– Protect from premature drying or traffic

· Quality Control:

· Verify rebar spacing and cover before pour

· Check slump, air content, and batch info from truck

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3.3.

3.4.

3.5.

3.6.

3.7. The contractor shall complete work according to the Statement of Work (SoW) and drawings and specifications included in the solicitation.

3.8. The Contractor will develop a construction proposal which itemizes the level of effort identified in this SOW and per the construction documents provided in the solicitation. The proposal must be “broken out” for each field barn task and outline all expenses associated with the project, including labor, materials, equipment, and other potential costs.

3.9. All existing storm intakes/utility holes/utilities shall be maintained and protected during construction as they are.

3.10. All materials must be rust, corrosion, and/or rot resistant.

3.11. All removed materials must be transported from the site and disposed of at an approved landfill facility prior to mobilizing to next area.

3.12. Existing fencing shall be removed prior to the placement of new fencing in the designated locations.

3.13. All work must comply with all applicable federal, state & local building/construction codes.

3.14. The Contractor must make all necessary provisions to keep the operational areas of the campus safe and cooperate to keep interferences to a minimum. To accomplish this, the Contractor must submit a Construction Plan for review and approval to allow for progression of work with limited impact on the animals and employees in populated areas around the job site.

3.15. The contractor is solely responsible for locating all underground utilities and obstructions at the project site. As Iowa “One Call” does not service U.S. Government locations, the contractor must arrange for all required locates through other means. Any damage caused by inadequate or missing locates shall be borne entirely by the contractor.

3.16. The Contractor must repair all damages caused by construction operations.

3.17. The contractor must provide a weekly status/progress report to the CS, CO, and COR.

3.18. The Contractor must provide product data submittals including manufacturing specifications. The Contractor must also submit a Construction Phasing Plan for USDA review and approval along with all other required submittals identified in this SOW and per the construction drawings and specifications.

4.0 General Requirements / Tasks

1.

4.

4.1. Pursuant to FAR 52.236-7 Permits and Responsibilities, the Contractor shall obtain all required permits, licenses, and authorizations to perform work under this contract and comply with all the applicable Federal, State, and local laws and regulations.

4.2. All work must comply with all applicable federal, state & local building/construction codes.

4.3. The Contractor shall manage the total work effort associated with the services required to meet the objectives and standards. Such management includes but is not limited to planning, scheduling, cost accounting, report preparation, establishing and maintaining records, and quality control. The Contractor shall provide a staff with the necessary management expertise to assure performance objectives and standards are met. The Contracting Officer may at any time require samples, Material Safety Data Sheets (MSDS) or manufacturer’s data sheets of materials used in this contract.

4.4. Tasks that are unclear in this SOW must be confirmed with the Contracting Officer (CO) prior to incurring costs. If clarification is required for items identified in this SOW and per the final construction drawings and specifications, it should be brought to the attention of the CO, Contracting Officer’s Representative (COR), Engineering Project Manager (EPM), and Architecture Engineering (A/E) Firm, if applicable.

4.5. The contractor shall be solely responsible for coordinating work with all subcontractors and ensuring that all items of joint use in conjunction with installations are completed.

4.6. The Contractor is responsible for verifying site conditions, measurements, quantities, and materials needed to complete this project prior to submitting a proposal. The contractor shall carefully examine the entire site and shall make all necessary investigations to become thoroughly aware of the existing conditions and all difficulties involved in the completion of the work in accordance with the contract documents prior to the submission of bid.

4.7. The scope of the project shall be performed in a neat, workmanlike manner and shall be sequenced for efficient workflow and to minimize interruption to the daily activities and ongoing research at the facility to the greatest extent possible.

4.8. The contractor shall coordinate all work with the Contracting Officer’s Representative.

4.9. Contractor shall provide all means and methods to protect the facility and its installations from all project activities, including protecting the facility from environmental elements as the improvements are completed.

4.10. The Contractor shall furnish all labor, materials, equipment, supplies, transportation, supervision, safety equipment*, and incidentals for all elements of the work to provide a complete and properly functioning installation in accordance with this Statement of Work.

4.11. * Note: Contractor is solely responsible for safety measures and conformance to applicable requirements in accordance with FAR clauses referenced in Solicitation package

4.12. Anything mentioned in the Scope of Work and not shown on the drawings or shown on the drawings and not mentioned in the Scope of Work, shall be of like effect as if shown or mentioned in both.

4.13. The finished product and all components shall provide a complete operational and functional system per this Scope of Work and the manufacturer’s specifications.

4.14. Contractor shall provide company Safety policy for review and approval by Contracting Officer’s Representative within ten (10) days of the award of the contract.

4.15. Contractor shall provide a quality control plan for review and approval by Contracting Officer’s Representative within ten (10) days of the award of the contract.

4.16. The contractor shall dispose of all waste generated by this project in accordance with applicable regulations.

· Contractor shall divert project waste to recycle where practical. The Contractor shall track and document the amount of project waste diverted to recycle. Documentation should be submitted at project closeout.

· Contractor shall submit documentation on the amount of project waste diverted to recycle as part of project closeout. Contractor shall submit the type and amount of waste that was diverted to recycle, present information in a clear, typewritten format.

· If no project waste is diverted to recycle, the Contractor shall submit a letter stating this and why diversion was not practical.

4.17. ANY fluids that spill onto the ground from construction or contractor vehicles, contact COR immediately. Any fluids that spill onto the ground from construction or contractor vehicles shall be contained and cleaned by the contractor immediately. Liquid absorbing material shall be used to clean and dry the spill. Materials from the spill shall be removed properly from the USDA site. Cleanup shall be complete upon approval of the COR. Contractor shall assist the COR with documenting the incident.

4.18. The contractor shall move all materials and equipment, including ladders and scaffolding from the site at the completion of each day's operation unless otherwise approved by the COR.

4.19. The contractor shall provide proper Personal Protective Equipment (PPE) safety equipment to work people and always ensure a safe environment for employees and the public. The contractor shall work to ensure free, unobstructed, and safe access to and about the work area.

5.0 Government Furnished

5.

5.1. Drawings and documentation provided by the USDA are for “reference only” and items are approximate and may not reflect exact details of devices, equipment, locations, and installations. The contractor is responsible for verifying installations and conditions.

5.2. Documents included: construction drawings and specifications.

5.3. Documents available: site maps, submittal form, request for information (RFI) form, site entry acceptable identifications document, security policy, inclement weather /safety document, and any other requested and approved forms or documents needed for the project.

6.0 Deliverables / Schedule

6.

6.1. The contractor shall submit a project schedule for approval by the COR, reflecting the duration of the project from award to acceptance by the USDA. Installation Schedule submitted to the COR, copied to CO and EPM no later than fourteen (14) days after contract Notice to Proceed.

6.2. Due to the field barns being actively used and manpower availability, the USDA may require up to one (1) week to relocate animals from certain areas before mobilization and construction can occur. The COR will advise during the project.

Key Deliverables

7.0 Regulatory Requirements

7.

7.1. The equipment materials, installation, workmanship, and operation shall conform to the most stringent applicable requirements of the most recent editions of the associated publications, in the below section and in the attached specifications unless otherwise noted:

(a) National Fire Protection Association (NFPA)

(b) NFPA 101 – Safety to Life from Fire in Buildings and Structures.

(c) NFPA 1 – Uniform Fire Code

(d) NFPA 5000 – Building Construction and Safety Code

(e) Underwriters Laboratories, Inc. (UL)

(f) Appropriate UL Standards

(g) State and Local Building Codes as adopted by the Authority Having Jurisdiction (AHJ).

(h) The Uniform Federal Accessibility Standards (UFAS)

(i) Occupational Safety and Health Administration (OSHA)

(j) Biosafety in Microbiological and Biomedical Laboratories (BMBL)

(k) National Institute for Health (NIH)

(l) ARS Policies and Procedures (P&P) 242.1

(m) Architectural Barriers Act (ABA)

(n) Equipment Manufacturer Printed Instructions

8.0 Contractor’s Key Personnel

8.

8.1. The Contractor shall confirm to the Contracting Officer the List of Key Personnel, and their qualifications are provided as part of the proposal. The contractor will provide any additional information requested by the Contracting Officer to certify their qualifications.

8.2. The Contractor shall provide experienced, qualified, and capable personnel to perform the work in this contract. Personnel shall be fully knowledgeable of all safety and environmental requirements associated with the work they perform. Competent personnel shall be provided as required.

8.3. OSHA training requirements shall be strictly enforced prior to the commencement of work. The job superintendent must be an OSHA certified “competent person” with 30 hours of training and all other employees working on the project must have a minimum of 10 hours of OSHA training.

8.4. The job superintendent/OSHA certified competent person needs to always be on site when work is ongoing.

8.5. Contractor employees and Subcontractor employees shall conduct themselves in a proper, efficient, courteous and businesslike manner.

8.6. The Contractor shall ensure that all employees present a professional appearance that is appropriate for their position. The Contracting Officer or their representatives reserve the right to determine the acceptability of any clothing worn. All Contractor/Subcontractor employees working under this contract shall be identified by a distinctive nameplate, emblem, or patch attached in a prominent place on an outer garment. Employee identification shall not be substituted for required passes or badges.

8.7. The Contractor shall remove from the site any individual whose continued employment is deemed by the Contracting Officer or their representative to be contrary to the public interest or inconsistent with the best interests of USDA.

9.0 Site / Security Requirements

9.

9.1. Access to the construction site is controlled by a security fence and visitor/contractor check-in/check-out system. All contractor/subcontractor employees shall sign-in and out at the main site entrance gate and always wear a contractor/visitor identification badge while on the site. The ID badges will be turned in at the end of the workday. A current government-issued identification with a picture ID is required for entry (REAL ID).

9.2. Access to the site shall be arranged by the COR according to the schedule submitted by the contractor and approved by the COR. The contractor shall coordinate and schedule his/her work under this contract to cause the least interference to USDA daily operations and employee traffic.

9.3. Construction vehicles will be allowed access to the contracted buildings; contractor employees’ personal vehicles shall be parked in the facility parking areas designated by the COR.

9.4. The Contractor shall use only the service roads and access routes approved by the Contracting Officer’s Representative.

9.5. Unless accompanied by a NCAH/USDA employee, the Contractor, subcontractors, and their employees shall not enter buildings or facilities not specifically part of this project. Reasons included, but not limited to, disease control and health requirements.

9.6. Additional security requirements may be imposed when the Federal Government raises the Homeland Security Alert Level. Additional directions will be provided by the Contracting Officer’s Representative if the situation occurs.

9.7. Failure to comply with access requirements shall be adequate grounds for removal of the contractor/ subcontractor employees from the site and barring further site access to individuals.

9.8. Coordinate use of premises under direction of the COR. Contractors shall confine construction equipment, storage of materials and equipment and operations of workers to areas permitted by law, ordinances, permits, or requirements of Contract Documents, and shall not unreasonably encumber premises with construction equipment or other material or equipment.

9.9. Obtain and pay for use of additional storage or work areas needed to complete the project.

9.10. Owner will occupy parts of the facility during entire period of construction for conduct of its normal operations.

9.11. The Contractor shall adhere to ALL Site, ARS, APHIS and USDA security policies and procedures including Code of Federal Regulations Requirements, Standard Operating Procedures, Security Directives, Security Procedures, General Orders, Post Orders and any applicable Government Policies and Procedures.

10.0 Project Timeline / Hours of Operation

10.

10.1. Normal Work hours: Work hours for the site are 7:00AM to 4:00PM, Monday through Friday, excluding government holidays. Requests for exceptions to this schedule shall be made in writing forty-eight (48) hours in advance and approved by the CO.

10.2. Work Outside Normal Work Hours: Work scheduled outside regular work hours including late hours, Saturdays, Sundays, and Government holidays requires Contracting Officer’s Representative (COR) approval in advance. Make application to the COR at least 5 calendar days prior to such work to allow arrangements to be made by the Government for access to the work area and inspection & monitoring arrangements. Requests shall include the exact dates, hours, location, and purpose of the exception. If approved, the COR will coordinate access with the site security office.

10.3. Recognized Holiday: The contractor is not required to provide service on federal holidays, except in emergency situations. 2026 Federal holidays are as follows:

· New Year's Day: Thursday, January 1

· Martin Luther King, Jr. Day: Monday, January 19

· Presidents' Day (Washington's Birthday): Monday, February 16

· Memorial Day: Monday, May 25

· Juneteenth: Friday, June 19

· Independence Day (Observed): Friday, July 3

· Labor Day: Monday, September 7

· Columbus Day: Monday, October 12

· Veterans Day: Wednesday, November 11

· Thanksgiving Day: Thursday, November 26

· Christmas Day: Friday, December 25

11.0 Temporary Facilities

11.

11.1. The contractor shall provide and maintain portable toilet facilities for project workers. Locations of the facilities determined by the COR.

11.2. The existing USDA utilities at the site may be used by the Contractor for completion of the contract work at no cost to the Contractor. The Contractor shall be responsible for making and removing any utility connections.

11.3. The Contractor shall equip all his foremen and work leaders with cell phones as necessary to coordinate the work effort. The Government will not provide any phone service for the project.

11.4. USDA dumpsters and Roll-offs on site are not to be used by the contractor. The contractor shall furnish and maintain waste and recyclable receptacles for the duration of the project. Location of the receptacles shall be coordinated with the COR.

12.0 Lockout /Tagout

12.

12.1. The Contractor and/or subcontractor employees who will be working on the job will apply a lockout/tagout (LOTO) process to control dangerous energy sources.

12.2. The Contractor/subcontractor shall have a LOTO program established and use Contractor LOTO locks, tags, and procedures.

12.3. The Contractor/subcontractor shall submit their LOTO program with the COR to coordinate LOTO programs before implementing LOTO.

13.0 Closeout Submittals / Warranty Documentation / Record Drawings 13.

13.1. A warranty shall be issued in accordance with FAR 52.246.21 (Warranty of Construction). A standard one-year warranty shall be issued for all work unless otherwise noted in the specifications.

13.2. Manufacturer’s documentation for extended warranty. Include all required documentation that will meet the manufacturer’s requirements for executing said warranty.

13.3. Provide a warranty binder containing one (1) signed & dated copy of all warranties of installed materials, devices, components, installed on the project in conformance to the construction drawings and specifications. An electronic (scanned) copy of the Warranty Binder in a PDF file shall be submitted with the final close-out documentation.

13.4. O&M data submittals for materials, devices, components installed per the construction drawings and specifications shall include but are not limited to:

a. Make, model, and serial numbers. (Manufacturer’s Build Number acceptable if sequential or unique to the individual piece of equipment.)

b. Date of Manufacture

c. Date of Installation

13.5. Items listed in the drawings and specifications not included in this SoW.

13.6. Delivery / Load hauling tickets showing weights, number of loads, scale tickets etc. scanned and provided to COR.

13.7. Submittals of all materials used in Section 3.0 in this Statement of Work using the provided USDA Material Approval Submittal Form.

Attachment ARU Fencing & Concrete Line Feeders 2026 Drawings ARU Fencing & Concrete Line Feeders 2026 Specifications USDA Material Approval Submittal Form image1.png