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3 Portable penboards shall be installed in such a manner as to prevent dislodgment when fish are being pumped into and out of the hold.
4 Where wooden stanchions are installed, the penboards shall be secured in such a manner as to withstand the loads imposed.
5 Every portable fish hold division shall be installed in such a manner as to prevent overloading or excessive trim, and to the satisfaction of the Inspector.
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7 (1) The scantlings of every wooden fish hold division shall be at least in accordance with the formulae set out in subsection (2), as illustrated in Figure 1, provided that in the case of a fish hold not exceeding 2 m in depth, a 100 mm × 100 mm wooden stanchion and a 38 mm penboard may be used.
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(2) The formulae for vertical steel uprights and horizontal wooden boards are as follows:
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