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Not to give the wrong impression, as this is my first time looking at renting a crane, I would never go out and rent a crane and expect to be taking a 5,000 lb brush picks with no training. If I needed that to happen I'd hire a crane and a climber until I felt confident in doing it myself. Being as this is a tremek this offers a unique opportunity for me as I am a 2 man crew at my biggest, here lately all of my work has been solo and using a mini to do the grunt work. In addition to to being able to knock out a bigger job with less fatigue it will also help me network with another small business in my area which I have found invaluable when you need help in a pinch with a job due to equipment or any other issues. <br />
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Just wanted to give a better idea of where I'm coming from and that I don't take climbing with a crane lightly. Thanks <a href="https://www.treebuzz.com/forum/members/5148/" class="username" data-xf-init="member-tooltip" data-user-id="5148" data-username="@deevo">@deevo</a> for the heads up on that class, if I have time in my schedule I'll have to check that out.
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Sounds like a treemek subbing is the best option for you (one or 2 man crew). I've always been a 2 man crew company, and with a mini you can make that work with a 40ton stick crane. But it works even better with a mek. <br />
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With your no experience it is even more important to have an experienced crane operator (experienced on doing trees with it), the more the better. This decreases greatly when using a grapple saw, but for trunk wood that comes off and a climber goes up. Sg220 has an 18" bar...so that is his max diameter cut unless he does snap cuts with it. With snap cuts he could almost double the diameter, but it gets tricky doing this type of cut. <br />
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Use 2 straps for the spar (one on each side...3 and 9 o'clock or 12 and 6 o'clock depending on lean etc). Brush picks should be balanced with multiple slings so they come of without changing pitch or rotation...this is almost more important on knucklebooms vs stick cranes. As much as possible try to use shelf cuts, v cuts, saw kerf cuts etc. These help to limit branch or trunk swings till the climber is clear and the crane starts lifting it away. <br />
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Tcia has a book call Crane Best Practices that explains all this and more. I definitely recommend getting it. <a href="https://www.tcia.org/TCIA/Shop/TCIA%20Item_Detail.aspx?iProductCode=CBP4&Category=" target="_blank" class="link link--external" rel="nofollow ugc noopener">https://www.tcia.org/TCIA/Shop/TCIA Item_Detail.aspx?iProductCode=CBP4&Category=</a></div>
