RESIDENTIAL PLUMBING - GROUNDWORK

• Ensure that the building sanitary drains are sized correctly; are of approved materials; joints, and traps; are adequately graded, properly bedded, and supported prior to backfill.
• Ensure that the building storm and condensate drains are sized correctly; are of approved materials; joints and traps; are adequately graded, properly bedded, and supported prior to backfill.
• Ensure that the means to remove storm water/condensate is provided (sump crock and pump, daylight, formal system).
• Ensure that any in ground building water lines are sized correctly; are of approved material and joints; and are adequately protected against contamination.
• Ensure that backwater valve protection is provided, when required.
• Ensure that sewage ejectors are provided when required.

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