CLEARSPAN
™
POLY BUILDINGS
14
Revision date: 09.11.09
ATTACHING RAFTER FEET TO CONCRETE
ATTACHING RATCHETS TO CONCRETE
Additional materials required to secure the rafter feet to the
concrete base are not included and must be purchased by
customer. Materials and rafter foot shown in the following
diagrams may differ from actual purchases.
Use the following information to determine the size of the
anchor bolt that best applies to your purchase.
Additional materials required to secure ratchets to a
concrete base are not included and must be purchased
by customer. Materials and frame shown in the following
diagrams may differ from actual purchases.
Consult the boxed information to the left to determine the
size of the anchor bolt that best applies to your purchase.
1. Determine where the first ratchet will be attached and
drill the mounting hole according to the anchor bolt
size.
NOTE:
Hole needs to be deep enough that the anchor
bolt will not interfere with ratchet operation.
2. With ratchet in the open position, insert anchor bolt
through ratchet hole and into mounting hole. Firmly tap
with a hammer to secure wedge anchor into concrete.
NOTE:
Depending on wedge anchor bolt, verify that the
washer and securing nut are attached
before
driving
the anchor bolt into concrete. Striking bolt may cause
thread damage and prevent the nut installation.
3. Tighten the nut.
4. Test ratchet operation. Cut excess if needed.
5. Repeat for each ratchet.
1. Verify rafter foot is in the correct position. Using the
fastener holes as a guide, drill holes into the concrete
base according to the anchor bolt size.
IMPORTANT:
DO
NOT over-drill hole.
Wedge anchor bolt
will not work properly
if hole is too deep.
2. Insert anchor bolt into one drilled hole. Firmly tap with a
hammer to secure wedge anchor into concrete.
NOTE:
Depending on wedge anchor bolt, verify that the
washer and securing nut are attached
before
driving
the anchor bolt into concrete. Striking bolt may cause
thread damage and prevent the nut installation.
3. Tighten the nut.
4. Repeat for each anchor bolt until rafter foot is
adequately secured to the concrete base.
5. Repeat for each rafter foot.
Length of Anchor Bolt equals (=):
Thickness of material to be fastened
+plus minimum embedment (see manufacturer recommendation)
+plus 1" for nut and washer application.
NOTE:
Rafter foot
shown may differ
from actual rafter
foot. Installation is the
same.
Sample
wedge
anchor bolt