I ,have gotten pretty lax in marking out my drop zone,
We all do from time to time. At least you're honest about it. Just note though, that you're licensed in NJ, so it makes the point that even licensed individuals aren't totally foolproof.
I think most people would agree that not just anyone should be doing this work.
Please don't take this the wrong way, because I've been finding all your info pretty helpful. But when people makes statements like this ^^, as much as I agree, I just have to laugh thinking about some of the silly ways in we filter worthy candidates in this business.
@rico had a point in a previous post that ISA pretty much allows a direct route from cutting yards to being "certified" to drop 60,000 lb trees. The only barrier to certification is the test. I used to teach test prep for medical/dental/optical exams for many years on the side, and I can help anyone to score high on a test as long as they're half-way motivated. But the elephant in the room is that when we're cutting and dropping, we're in the construction business, and specifically in demolition. Training in THAT, not yard work, might have saved that mans life. Funny that "construction" and related trades don't show up on ISA's experience list. But, I believe in the ISA mission, and will admit that it raised the bar for the industry. But, that mission is primarily about managing the trees, not necessarily about how to operate a construction site. ISA, like any organization, still allows humans to use their judgement, and I believe experience in construction trades would be extremely useful.
Here's the ISA CA knowledge breakdown:
1. Soil Management—12% 2. Identification and Selection—8% 3. Installation and Establishment—5% 4. Safe Work Practices—15% 5. Tree Biology—8% 6. Pruning—16% 7. Diagnosis and Treatment—12% 8. Urban Forestry—7% 9. Tree Protection—4% 10. Tree Risk Management—13%
Here's ISA's experience paths
• Tree care companies • Nurseries • Landscape companies • Municipalities • State forestry agencies • Utility companies • Academic arboriculture/horticulture departments (for instructors) • Horticulture/extension programs (for advisors) • Consultancies • Pest control providers (for advisors and applicators)
**Now this is from the Wikipedia (yeah, I know) entry for "Demolition", which is a construction trade. It sounds a little like a tree removal, but sounds nothing like cutting yards.
Before any demolition activities can take place, there are many steps that must be carried out beforehand, including performing
asbestos abatement, removing hazardous or regulated materials, obtaining necessary permits, submitting necessary notifications, disconnecting utilities, rodent baiting and the development of site-specific safety and work plans.
The typical razing of a building is accomplished as follows:
- Hydraulic excavators may be used to topple one- or two-story buildings by an undermining process. The strategy is to undermine the building while controlling the manner and direction in which it falls.
- The demolition project manager/supervisor will determine where undermining is necessary so that a building is pulled in the desired manner and direction.
- The walls are typically undermined at a building's base, but this is not always the case if the building design dictates otherwise. Safety and cleanup considerations are also taken into account in determining how the building is undermined and ultimately demolished.
In some cases a
crane with a wrecking ball is used to demolish the structure down to a certain manageable height. At that point undermining takes place as described above. However crane mounted demolition balls are rarely used within demolition due to the uncontrollable nature of the swinging ball and the safety implications associated.
High reach demolition excavators are more often used for tall buildings where explosive demolition is not appropriate or possible. Excavators with
shear attachments are typically used to dismantle steel structural elements. Hydraulic hammers are often used for concrete structures and concrete processing attachments are used to crush concrete to a manageable size, and to remove reinforcing steel. For tall concrete buildings, where neither explosive nor high reach demolition with an excavator is safe or practical, the "inside-out" method is used, whereby remotely operated mini-excavators demolish the building from the inside, whilst maintaining the outer walls of the building as a scaffolding, as each floor is demolished.