The Ontario Building Code | Loading Requirements

8.7.4.1. Loading Requirements

(1) The area described in Sentence 8.7.4.2.(1) shall be designed such that the loading rate does not exceed, for soil having a percolation timeset out in Column 1 of Table 8.7.4.1., the maximum value set out opposite it in Column 2 of Table 8.7.4.1.

Table 8.7.4.1.
Loading Rates for Fill Based Absorption Trenches and Filter Beds

Forming Part of Sentences 8.7.4.1.(1) and 8.7.5.2.(2)

Item	Column 1 Percolation Time (T) of soil, min	Column 2 Loading Rates, (L/m2)/day
1.	1 < T ≤ 20	10
2.	20 < T ≤ 35	8
3.	35 < T ≤ 50	6
4.	T > 50	4