22
STEP 10.
Inlet Connection and Final Backfill
STEPS & TIPS:
• Inlet Should Not Interfere With Pump Removal Or Level Control Operation.
• Inlet Should Have A Minimum 1/8” Per Foot Drop. If required only use 45° elbows.
• Proper Backfill Per ASTM-D2321 Should Be Done To Prevent Damage From Excessive Settling
As Outlined for Bedding.
• Backfill Material Should Be Free Of Large Rocks, Ice, And Trash.
• Slope Finish Grade Away From Basin.
FIGURE 19
FIGURE 18
FIGURE 20
See CHART 3 on page 5 for
inlet hole saw size
Shaded Area is Suitable
Inlet Zone