Fiberglass basin installation reference guide – Xylem IMCPFIBRGL R01 Fiberglass Basin User Manual
Page 6

6
30º Maximum
Lifting cable or chain
Finish grade
Optional lifting lugs
Slope and size of excavation as
pipe area and engineer’s
specification. In the absence of
these, consider continuation of
soil, depth of excavation and
safety considerations.
Basin anti-flotation flange
Compacted sub-base and/or
concrete slab as per engineer’s
specification.
Spreader bar
18” minimum backfill
compacted to a minimum
soil modules of 700 PSI
Finish grade
Fiberglass Basin as
required per
engineer’s
specification
Backfill material
Concrete grout as
required per
engineer’s
specification
NOTE: The intent of these installation instructions and illustrations is to ensure that
damage or premature failure to the basin will not occur. These installation instructions
and illustrations are NOT intended to preclude normal safety procedures which should
be followed to prevent injury to personnel. SAFE INSTALLATION PROCEDURES SHALL
BE ENTIRELY THE RESPONSIBILTY OF THE INSTALLER.
Pea Gravel
Crushed Brick
BACKFILL MATERIAL REQUIREMENTS
1”
3/4”
1/2”
1/4”
In the absence of building codes, or regulations,
maintain a minimum distance of 5 feet plus a slope
of 40” from the bottom of the compacted sub-base
to the bottom of the adjacent structure’s foundation,
footing or property line.
45”
minimum
5”–0”
minimum
Adjacent structure, foundation,
footing or property line
CAUTION:
HANDLE WITH CARE
DO NOT DROP
DO NOT IMPACT
DO NOT ROLL
DO NOT WRAP
Cable or chain
around basin
Compacted sub-base
minimum 12” or 8”
when used with concrete
hold-down pad
FIBERGLASS BASIN INSTALLATION REFERENCE GUIDE