Crane riggin

[PC tree]

Sorry Dave it's a grove 30/50 Sam thing though...

[Marc]

Hi

 

Make sure you don't overload the crane. Once they start to reach out a bit their safe working load falls quite dramatically. Have a chat with the driver to get an idea of the weights he can lift at the distances you expect him to reach out. If necessary measure up the section and get a good estimate of the weight so as to not overload the crane.

 

I doubt I'm the only one whose cut a section only to hear all the alarms go off in the crane cab as the driver tries to lift it.

 

For the more horizontal branches sling them from a couple of points don't try and balance them. For vertical sections cut horizontaly towards the side the strop is on. Before it sits down on your saw pull it out and cut down at an angle of about 45 degrees on the opposite side, where the strop is, so that the cuts meet, this will prevent your saw jamming and ensure the section is completely severed before the crane lifts it. They're not very good at snapping sections off.

 

Plan the lift.

 

Location of tree, obstacles to be avoided, working space, location of crane, sequence you are going to dismantle the tree in, where are you going to put the stuff you cut off, how are you going to deal with it once it's on the ground, where are the other vehicles/machinery/chipper etc going to be, first aid, signage for roads and pedestrians, rope off site, weather, ground conditions, fueling, communications with climber, communications with crane driver, keep working area clear. Risk assess and draw a sketch plan to show the site and areas for all the things you need space for.

 

Lift the plan.

 

Have fun

 

Very good advice

[spiketreemanSweden]

Some very good advice in here!!

 

On straight up stems I got taught to do a horizontal cut on the side where the crane is going too take it away. Do the cut 3/4 of the way through the stem towards yourself. Then do a dog tooth/ diagonal cut down to meet the horizontal cut!

When the crane pops it off/takes it away, the heavy butt will not come back and hit you because the remains of the dog tooth cut will stop the butt swinging in your direction (if something goes wrong)

Make sense? Haha

 

 

Sent from my beotch

[dgcunningham]

Sorry Dave it's a grove 30/50 Sam thing though...

 

Hi Paul,

 

Just looked at the Duty Chart for that Crane- 2.2tonne at 31 metres, they usually like to get the jib right up there. That's a big lump of wood. After the first few lifts ask the driver what the weight is on the jib and you'll get your eye in. Ask the driver how he wants to set up- cab forward, cab back- they usually like to set up so they can have good visibility etc etc. Enjoy mate- would love to see some photos when your done!!!!

 

Going to ride the hook up?

 

David

 

[PC tree]

Hi Paul,

 

Just looked at the Duty Chart for that Crane- 2.2tonne at 31 metres, they usually like to get the jib right up there. That's a big lump of wood. After the first few lifts ask the driver what the weight is on the jib and you'll get your eye in. Ask the driver how he wants to set up- cab forward, cab back- they usually like to set up so they can have good visibility etc etc. Enjoy mate- would love to see some photos when your done!!!!

 

Going to ride the hook up?

 

David

 

 

Thanks David your a star, I did look at the duty chart and as you say it's a big lump of wood, as it's a pollard I shouldn't get near that weight, but will obviously ask for a datum. As for the hook I think it'd be rude not to!!

Cheers :-)

[PC tree]

If you go for a ride on the hook don't forget your camera, you'll get some great phootos.

 

Good call! :-)