4
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by 10” thick anchor centered, with a minimum of four #4 bars each way centered. An engineer
stamped letter can be furnished by Spectrum if requested.
a. From the center of the desired anchor location, using a marking pen or chalk, mark a
square of the dimensions provided by Spectrum Aquatics, or another engineer stamped
footing. This is the concrete to be removed to accommodate the installation of the lift’s
an
chor. It is recommended that the anchor be located at least 6” from any expansion
joint, crack, drain, or similar structure in the concrete deck.
b. Use a concrete cutting saw; cut the square out of the existing concrete deck. Using a
heavy/sledge hammer to break the cut section of concrete
– remove the section of
concrete from the deck. See Figure 1.
Figure 1
c. Locate a bonding source to bond the anchor. The steel rebar-bonding grid of the pool
deck is the best choice for bonding the anchor. Attach a No. 8 solid copper wire (NEC
Section 680-22) from the bonding bolt on the base of the anchor to the bonding grid.
Note:
If the concrete deck is 8” thick or more, an alternative anchor installation method may be
used. In lieu of saw cutting the concrete deck, a concrete core drill may be employed to cut a 4”
diameter hole at the desired anchor installation location. Epoxy or hydraulic cement may be
used to secure the anchor in place. Make sure the anchor is properly bonded.
d. Place tape over the anchor hole before pouring concrete
– not allowing concrete to enter
anchor opening.
e. Fill the hole in the deck around the anchor with non-expanding concrete. Set the anchor
so that the finished top is 1/8” to 1/4” below finished deck level – allowing for anchor cap
to be put in place when the lift is not in use.
f.
Use a carpenter’s level, to level the anchor making sure that the lift mast will be vertically
straight - up and down (perpendicular to the deck) in all directions. It is important that the
mast be vertically straight to ensure ease of rotation when the lift is fully loaded.
2’-6” Square x 10” thick
4 #4 bar centered each way
10” Thick
