15
STEP 9.
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 Should Be Done To Prevent Excessive Damage From Settling Per
ASTM D 2321 As Outlined for Bedding.
• Backfill Material Should Be Free Of Large Rocks, Ice, And Trash.
• Slope Finish Grade Away From Basin.
FIGURE 14
FIGURE 12
FIGURE 13
See CHART 3 on page 5 for
inlet hole saw size