(1) before felling:(a) identify dangers in the felling area;
(b) make sure the worker referred to in section 29 is the only person in the felling area;
(c) remove snags 3 m or more in height from the felling area, preferably mechanically, but otherwise manually. If a snag cannot be hand felled, hand felling of trees that include the snag in the felling area must be prohibited;
(d) choose a suitable felling technique;
(e) clear a safe-size working area around the base of the tree;
(f) trim the trunk of the tree to be felled;
(g) in the opposite direction of the fall, clear at least 1 skid trail at a 45-degree angle and at least 2 m from the trunk of the tree;
(3) a tree with the following characteristics may not be felled by hand:(a) its trunk is broken and its crown is lodged;
(b) it supports a lodged tree, a snag or a tree that has fallen over;
(c) it is located on a site with no possible skid trail;
(4) in the following cases, the tree to be felled must not be hand felled unless a risk analysis has been carried out and determines a safe felling method that will have to be used in those cases:(a) it is joined to another tree from which it separates at a height of over 1.3 m;
(b) it has a split crotch at a height of over 1.3 m.