Models EV1020QC
Installation, Operation and Maintenance
Rev. 8/25/20
EVQC-IOM-A.doc
8
6.
Before beginning to back fill take care to protect the plunger tops, cover joints and
hardware from debris. Duct tape should be used to cover these joints. Make sure
all factory supplied thread protectors and caps are in place. Recheck plumb and
back fill approximately 2 feet with pea gravel. Recheck plumb and continue back
filling using pea gravel and rechecking plumb to within 18 inches of finished floor
level.
DO NOT
use a mechanical tamper or saturate the fill to achieve
compaction,
hand tamp only
.
7.
Check plumb and elevation, adjust if necessary.
DO NOT
remove 6 x 6 supports
at this time.
Existing Floor / Block Out
8.
If a Block Out is used or an Existing floor needs to be saw cut for excavation the
Cut Out/Block Out should be a minimum of 6' x 11' as per the figure below.
13' Min.
Nearest Obstruction
7' Min.
6' Min.
11' Min.
9.
Pour concrete floor taking care not to run concrete in or on top of the lift /
containment assembly.
NOTE:
Concrete must be finished to edge of concrete tie
(3/16” below top of concrete ties, see
Fig. 2
). The floor should slope away from
the lift for drainage. The floor slope should not exceed 1/16” per foot. 3500 psi
concrete, steel reinforced per local commercial practice is required. The new
concrete must be mechanically joined to the existing floor with rebar.
10. After the concrete has set up remove the 6 x 6 supports, threaded rods, and
shipping straps. Replace the cover bolts with the ½-13 x 2” HFHB. The shipping
strap bolt replacements are supplied in the hardware box. Torque the bolts to 60
ft-lbs.
11. After the concrete has set up, remove the 6 x 6 supports and threaded rods.
