(1)
This Article does not apply to below-floor storage areas for liquid manure.
(2)
Access covers for liquid manure storage tanks shall be designed in accordance with Section 2.3. to support the imposed loads.
(3)
Access covers for liquid manure storage tanks that weigh less than 20 kg shall be equipped with locking devices.
(4)
Ladders shall not be installed on closed liquid manure storage tanks.
(5)
Liquid manure storage tanks without a cover that are located outdoors shall be surrounded by a permanent safety fence or wall that
(a)
extends not less than 1.5 m above adjacent ground level,
(b)
is adequately secured at ground level, and
(c)
has gates with latches.
(6)
Where an access point for filling, agitation, emptying or a similar operation is provided for a liquid manure storage tank described in Sentence (5), a curb or barrier shall be installed between the access point and the storage tank that is
(a)
not less than 450 mm high, or
(b)
of sufficient height to prevent unintended vehicle entry.