Div. B › Part 8 › 8.7 › 8.7.1 — General Requirements

8.7.1.2 — Limitation on Installation

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(1) The design and installation of a shallow buried trench, Type A dispersal bed or Type B dispersal bed shall be carried out by a person competent in this field of work.

OBC Definitions

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shallow buried trench

means an absorption trench that contains a chamber or leaching chamber.

type a dispersal bed

means a leaching bed that receives effluent from a Level IV treatment unit as described in Table 8.6.2.2. of Division B and that is comprised of a stone layer or leaching chambers installed over an unsaturated sand layer as described in Subsection 8.7.7. of Division B.

type b dispersal bed

means a leaching bed comprised of a pressurized distribution system that uniformly distributes effluent from a Level IV treatment unit as described in Table 8.6.2.2. of Division B to the underlying soil, as defined in Part 8 of Division B, through a set of distribution pipes installed in a bed comprised of septic stone.

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