types of notches for tree felling

Well suited for thicker trees on steep slopes. By many measures Logging is the most hazardous industry in the United States particularly the activity of manual felling.

Felling Which Notch To Use Firewood Hoarders Club

This is a safe and efficient way to fell a tree that is on a steep slope or prone to splitting.

. Plan - Cutting Height of notch and back-cut Enable safe control of saw tree and escape StandardHumbolt - Back-cut 1 to 2 above notch apex Depth of notch Shall not exceed 13 diameter of tree Back-cut Shall not penetrate hinge. Also learn hinge cutting and tree notching techniques for maintaining. The back cut is the second type of cut made after the face cut is complete.

Typically your hear about a common notch a Humboldt notch an open notch and less frequently a v-notch or swing notch. Felling in another direction requires a special technique more effort and is sometimes just impossible. Most commonly used and recognized Almost everyone.

Intact butt log. Tree types susceptible to splitting. Again our recommendation is to use the Open face notch aiming with a top cut since it is safe easier and well-suited for most tree felling applications.

The felling cut is slightly above level of the directional notch. Learn the proper way to notch a tree by creating different notches during tree felling. The felling cut is slightly above level of the directional notch.

In the following video you can learn proper methods for creating different notches and techniques for maintaining a correct hinge so that you will fell a tree safely and comfortably. The notch is made on the side of the tree that faces the direction you want it to fall. This eTool outlines the required and recommended work practices that may reduce logging hazards.

It should be no more than 15-20 of the breast height diameter. TREE FELLING TECHNIQUES MANUAL. Cut a v-shaped notch into the tree on the side you want the tree to fall.

When the tree starts to fall quickly walk away from the tree at a 45 degree angle. It is important to give techniques names because it helps identify one from another. The directional notch can be made in a number of ways.

High stump height on flat ground. Two face cuts make a notch. The condition of the tree the terrain and local tradition mean that the type of directional notch may differ.

This is done by cutting a felling notch in the side of the tree towards where it should fall followed by a back cut to drop the tree. There are three types of notches commonly used in the logging industry by chainsaw operators in tree felling. The first two cuts you need to learn for how to fell a tree with a chainsaw are the face cuts.

The back cut should stop before completely cutting through the tree leaving approximately an inch of wood. Conventional notch 35 degrees plus or minus open Advantages. Sizeup Search For Overhead Hazards Debris Falling From Above Causes Over One-half Of All Felling Accidents Practice Watching Overhead While Cutting Occasionally Glance At The Saw Kerf And Top Of The Tree Check For Snags Standing Dead Or Dying Tree Snags May Fall At Any Time Due To Wind Or Vibration From A Felled Tree Cut Any Snags In The Felling Area First.

The top cut the pluge cut and the back or felling cut. Illustrates how to fell a tree using the Notch and Back-Cut technique. Cuts 1 and 2.

A comfortable height for making face cuts is about 24 inches from the ground. Felling wedges can then be used during the final cut to assist the tree in beginning to fall. Opening angle of at least 45.

BACK CUT BELOW THE NOTCH. Chop as close to the ground as possible to minimize the risk of the axe slipping and hit your body. Quick animated sequence to show the expected outcome of implementing the steps describ.

Horizontal cut has the same angle as the felling cut. Determine the direction into which you want the tree to fall and chop it accordingly. At the same height as the corner of the notch.

The safe felling of a tree using an open face notch consists of making three precise and strategic cuts. Tree Felling Notches Article 5 Many times when workers discuss tree felling notches the conversation ends up being about what kind of notches are used and what they are called. The most common directional notches are open-face directional notch in two versions open-face.

Move to the other side of the tree and start slowly cutting into the tree until you meet your notch cut. The notch should be at roughly knee-height should cut to the center of the tree and should look like a shallow v. Low stump height in steep slopes.

BACK CUT TOO DEEP INADEQUATE HINGE BACK CUT TOO HIGH ABOVE THE NOTCH. Avoid cutting the directional notch too deep. At least 1 inch above the.

Humbolt Notch 45 degree open Advantage s Allows the butt. This cut is made horizontally from the other side of the tree roughly two inches above the notch left by the face cut. ANGLE-BACK CUT WITH INADEQUATE NOTCH.

Navigate through this eTool by clicking on the specific item displayed in the pictures or go through the tutorial lessons. Many times when workers discuss tree felling notches the conversation ends up being about what kind of notches are used and what they are called. Tree types susceptible to splitting.

Typically your hear about a common notch a Humboldt notch an open notch and less.

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