What are the sps made of ? the general issue with cutting tools is that what is good for wood gets often get blunted by metal and vice versa
If you believe in the biggest ever steam hammer to smash the smallest nut, these are fantastic for destructive duties. They are the noisy criminal's best friend. Whatever lock, gate, chain, physical security is placed in its path should be despatched in seconds. Including your own limbs if you do not show adequate respect ....
https://www.stihl.co.uk/STIHL-Products/Construction-Machinery/0510/Petrol-cut-off-saws.aspx
More realistically for your job, probably a 240v one of these combined with wrecking bars and sledgehammers...
https://www.toolstation.com/shop/Power+Tools/d40/Reciprocating+Saws/sd3104
Best of all, get some other c*** to do it. You will end up with a godawful pile of mess.
If you believe in the biggest ever steam hammer to smash the smallest nut, these are fantastic for destructive duties. They are the noisy criminal's best friend. Whatever lock, gate, chain, physical security is placed in its path should be despatched in seconds. Including your own limbs if you do not show adequate respect ....
https://www.stihl.co.uk/STIHL-Products/Construction-Machinery/0510/Petrol-cut-off-saws.aspx
More realistically for your job, probably a 240v one of these combined with wrecking bars and sledgehammers...
https://www.toolstation.com/shop/Power+Tools/d40/Reciprocating+Saws/sd3104
Best of all, get some other c*** to do it. You will end up with a godawful pile of mess.