Attachment 1 - Specifications for Swine penning 27.5 ft2 for estimate2-3.pdf

~27.5 ft2 Swine Modular Penning

Swine penning

6 ft = 72” Aerial views Supports

6 ft

Loops for attachment

5.83 ft = 70” Structural supports

5.83 ft

~27.5 ft2 (above drawings are not to scale)

The above length and width measurements are outside dimensions including any loops, tabs and/or guards on the outside of the supports.

tabs for attachment of structural supports - A rod type (like horizontal stock used for penning) can be used for upper structural support. This is needed to stabilize the structure. This must be high enough for a 6’ tall person to comfortably walk under while on the decking.

Structural support for decking.

Uprights On the horizontal decking support span sections, a center loop for connection of the center structural support would be needed. On the outside, this loop could be used to hold a guard panel to prevent loose pigs from getting under the penning, level the outside to prevent pigs from slipping off the tenderfoot under the gate, and as a toe hold for personnel entering the pen.

7 ft – The support posts must be less than or equal to 84” tall (including the adjuster on the bottom) so they can be placed in the cage washer.

Tabs for attachment of penning/gating – all tabs (for both gate attachment and upper support attachment) should be horizontal, not vertical as depicted here.

Loops for attachment of structural supports for decking

End 6 ft Side 5.83 ft (not to scale)

Feet must be adjustable for leveling with a polypropylene base to minimize damage to the floor finish.

This would be best accomplished by attaching a “U” –“V” device to the bottom and having the leveling device adjust at this location. We don’t want penetrations into any of the structural components (difficult to clean/disinfect).

All tubular components must be sealed and have continuous welds (no openings). No sharp points or edges. The finish must be as smooth as possible.

This is a modular design. Each module would be approximately 27.5 ft2. The basic configuration would be 2 – 6’ X 5.83’ modules attached either lengthwise making a 6’ X 11’ pen or side by side making a 11.33’ X 5.83’ ~55 ft2 pen. Subtracting 2 ft2 for feeder(s) this leaves ~53 ft2. This can house 2 - 220 lb, 5

- 110 lb, or 8 – 55 lb pigs. Please note that when two modules go together only 13 horizontal supports would be required instead of 14 if both pens were set up separately. This decreases the overall footprint of the double and higher configurations while maintaining the square footage in the pens.

Similarly, when two pens are joined only 6 support posts would be required as opposed to 8 if they were set up as separate pens.

This modular design is to be assembled by hand only. The only hand tool that may be necessary would be a wrench to potentially adjust the leveling feet. All other components must be able to slide or pin together. These pens must be able to be easily assembled and disassembled and moved by hand. Parts must be able to be moved by one person. The only exceptions would be the penning/gating sections and tenderfoot decking which may require 2 people.

This penning will be used in a high containment facility. It must be able to withstand the rigors of being power washed and run through a cage washer routinely. As many parts as possible must be able to withstand repeated autoclaving (exposure to temperatures up to 275-degree Fahrenheit, wet heat under pressure). In your proposal, please list any parts that could not routinely withstand autoclaving.

Penning/gating – Vertical members are to be 1”O.D. round steel stock/tubing spaced equally. Space between verticals should be ~ 1-1/2” (this is the gap between verticals, not on center), welds are to be continuous. End vertical members must be at the ends of the horizontal run. The height should be 30” above the deck, installed. The bottom of the penning/gating should be 1” off the decking. The ends would have double horizontal tabs that would be off set from the tabs on the support posts. The two would connect with rods. These rods can be easily pulled to allow for the penning/gating to be opened and closed at either end. The stock/tubing used for the penning/gating must be strong enough to hold up to 300-pound pigs.

All components must be able to withstand the day-to-day use/abuse inflicted by up to 300-pound pigs. THIS WILL BE CONSIDERED NORMAL USE. Pigs enjoy rooting and push on things and can easily bend and break items that would routinely be sufficient to hold dogs. We don’t want dog kennels which have been given the name “swine penning”.

The top of the deck should be approximately 8” above the floor. This should allow for an ~4” (depending on the required thickness of the horizontal supports) under the structure to allow for hosing under the penning. As was mentioned above we will need removeable guards that would be placed on the outer supports to prevent little pigs from getting under the penning, level the outside to prevent pigs from slipping off the tenderfoot under the gate, and as a toe hold for personnel entering the pen. I could see these sliding into the exterior center loop on the horizontal supports and catching on a portion of the exterior loops on the support post for additional stability. These need to be wide enough to act as a toe hold for personnel entering the pen.

Another animal safety feature would be guards for around the tabs that may be exposed inside the pen.

This could be flat stock material bent to form a rounded “V” or “U” covering the projecting unused tabs that would be inside the pen (see below). These could be held in place by pins or rods.

Guard Support Tabs

With the modular design and the upper structural support any or all of the internal cross penning/gating may be removed to allow the entire configuration to be one large pen or various size smaller pens. This allows for tremendous flexibility in study design. A disadvantage of this design is having a post every ~5

- 6 feet used for support in the double or wider pens. Additionally, the upper structural supports must also stabilize the structure when penning/gating is opened to allow movement of animals.

Design would require, as I see it, 8 different major structural components. The amount of decking (tenderfoot) for a single module would be ~5.33 X ~5.16’. We would want this as three ~5.33’ X ~2.58’ sections and two ~5.33’ X ~1.29’ sections for every 2 modules (the two smaller sections would allow for access to trench drains). We definitely need at least one section of each two modules to be small enough to be easily pulled up to gain access to trench drains below the pens. We prefer having the sections of tenderfoot of a size that one or two people could move. Corners will need to be modified to fit around the supports. Tenderfoot openings should be approximately 7/16” X ¾”.

The pens would require 2 different lengths of penning/gating. Rods would be needed for attachment of the penning to the supports. The tenderfoot decking would sit on the bottom structural supports held in place by a center piece of stock dividing each support lengthwise. Additionally, it must have some sort of guard device available to hang from the outside of the outer lower supports to prevent little pigs from getting under the penning, level the outside to prevent pigs from slipping off the tenderfoot under the penning/gate, and as a toe hold for personnel entering the pen. Also, for animal safety, guards to cover any unused tabs that may be exposed on the inside of the pens.

Exact measurements will depend on the size of the stock determined to be needed for the proper support of up to 300 lb pigs. ALL COMPONENTS MUST BE ABLE TO WITHSTAND THE DAY-TO-DAY

USE/ABUSE INFLICTED BY UP TO 300-POUND PIGS.

Example of penning connections

Connecting rod

Penning

Support

Tab

Location of the tabs (double or single) may be reversed (double could be on the support and single on the penning)

Overall stability of the structure depends on the stability of the upper supports. For attachment, our preference is the use of pins (no tools required for assembly and disassembly).

The final engineered drawings and specifications shall become property of the Government. The Government will own and use the engineered drawings specifications, as they desire.