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Anchoring & Concrete For Your Horse Shelter

Base Rail

All the products we build are 4, 5, or 6 foot on center systems. What this means is that there is an anchoring hole in the base rails near each vertical upright every 4, 5 or 6 feet based upon the type of system you purchase.

There's a few different ways you can anchor our building systems. Let's go through the different methods including which methods will engineer.

Note: Different areas have different frost lines. If you live in an area that has a frost line, the depth of your caissons/footers/ribbon footers may be deeper then described below.

Ground Stakes:
(Engineering not available)
ground stakesFor years many of our carport structures have been anchored to the ground using our 30” ground stakes which are supplied at no extra charge should you request this method.
Installation is by sledge hammer or electric jack hammer with a 3” cup attachment and then driving them into the ground through each predrilled hole in the base rails until the flared end meets the base rail.


Concrete Caissons:
(Engineering Available)
Make a hole 30” deep by about 12” in diameter under each then lay the base rails down, insert the 30” ground anchor and fill with posthole concrete.

MR 68 Ground Clamps:
(Engineering Available)
MR 68In lieu of using the concrete caisson application as described above for a ground mount application we use what's called a Manta Ray ground anchor or MR 68 Ground Clamp. These ground clamps are attached to a 36” 3/8ths zinc coated all thread bolt (complete kit supplied by us). Then another rod, called a driving rod (a piece of rebar will work for this) is inserted in the top hole of the MR 68. One then uses this driving rod to drive the MR 68 into the ground, leaving about 6” or 8” of the all thread above the surface of the ground. Place your base rail over the 3/8ths rod, slip a washer and nut over the end and tighten the nut down onto your base rail.

A smart installation idea is to lay out your base rails and push a 16 d nail into the ground through each of the predrilled holes in the base rail—this will give you a mark as to where to drive the MR 68 into the soil when you remove the base rails to put in the MR 68s.

Concrete Expansion Anchors:
(Engineering Available)
This is by far the cleanest method of anchoring your structure. It's also the best for livestock structures due to the fact that it keeps the steel base rail up out of the mud and urine.

In conjunction with this method, you would have a ribbon footer about 12” x 12” (depth subject to frost line requirements of your area) with two #4 rebar top and bottom running continuously along the length of the ribbon footer that you would be anchoring the structure to. Use the ½” x 7” concrete expansion anchors or “Redheads” supplied to you in building system and using a heavy duty hammer drill with a ½” masonry bit, drill holes into the ribbon footing where each base rail hole is.

Next you'll thread the nut onto the expansion anchor leaving the nut a couple of threads above the anchor. Now, place the base rails into position and hammer the expansion anchor into each hole in the base rail, leaving about a half inch of the expansion anchor above the base rail. Tighten each nut securely down onto the base rail

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