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Ontario Building Code

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Volume 1

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Division B

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Part 7

7.4.10.9. Hydraulic Loads on Horizontal Storm Drains

Feb 03, 2026© King's PrinterJan 16, 2025

(1)

The hydraulic load that is drained to a storm building drain, a storm building sewer or a combined building sewer shall conform to Table 7.4.10.9.

Table 7.4.10.9. Maximum Permitted Hydraulic Load Drained to a Storm Building Drain or Sewer, or a Combined Building Sewer

Forming Part of Sentence 7.4.9.5.(2) and Article 7.4.10.9.

Notes to Table 7.4.10.9.:

(1) Slope is the ratio of rise to run, in whatever measurement units are chosen.

  • (1)
  • Table 7.4.10.9.

Mentioned in

  • 7. Plumbing
  • 7.4.10.9. Hydraulic Loads on Horizontal Storm Drains
  • 7.4.8.1. Minimum Slope
  • 7.4.9.5. Offset in Leaders

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