COMMERCIAL PLUMBING - GROUNDWORK

• Ensure that the building sanitary drains and fixture branches are correctly sized, joined, graded, trapped and supported; that they are of approved materials, properly bedded, and supported prior to backfill.
• Ensure that building storm and condensate drains are correctly sized, joined, adequately graded, properly bedded, and supported prior to backfill.
• Ensure that the means to remove storm water/condensate is provided (sump pump, daylight, or other approved means).
• Ensure that any in-ground building water lines are sized correctly; are of approved material and are joined properly; are adequately protected against contamination; and meet the separation requirements of the Plumbing Code.
• Ensure that backwater valve protection is provided, when required.
• Ensure that sump pumps and sewage ejectors , when required, are accessible for maintenance; are properly vented and discharge to an approved watercourse.

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