7
STEPS & TIPS:
• Refer To The Gravel Size Diagram For Acceptable Bedding
Material Sizes.
• Compact The Bedding Per ASTM D 2321 Specifications
Outlined For Bedding.
• Set The Basin Into The Hole Using A Cloth Lifting Strap As
Shown In Figure 3a, Or A Chain And Spreader Bar Assembly
To Lift The Basin On Units With Pre-cast Ballast Per
Figure 3b.
• Once Set, Make Sure The Rim Of The Basin Is Roughly 2”
Above Grade To Prevent Ground Water Infiltration.
• If the basin must be removed to adjust hole depth or level,
be certain to use the appropriate method as outlined above.
Damage to the basin through the use of improper handling
techniques will
NOT
be warranted by Barnes.
STEP 1.
Hole Excavation, Bedding & Setting of the Basin
FIGURE 2 - Bedding Material
FIGURE 3A
FIGURE 3B
