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Posted: Sun Sep 16, 2007 8:12 pm
by Rather be fishing.
1] what is a r.e. and what do they do
2] concrete - is st1 stronger than st4
3] can a tarmac planer plane concrete
any answers would be appriciated, thanks.
Posted: Sun Sep 16, 2007 9:12 pm
by seanandruby
R B F.
1) Resident engineer. deals withdesigns, ensures job meets requied standards, solves problems that may arise and does inspections etc;
2)st1 is a low strength st4 is a medium strength concrete.
3) you wouldnt use a tarmac planer on concrete.
Posted: Sun Sep 16, 2007 9:22 pm
by Dave_L
3) Yes you could, well, we do....... 
Posted: Thu Sep 20, 2007 2:27 pm
by Tony McC
Dave's boss has a big fat wallet to pay for new teeth on the planer every week! 
Posted: Sat Sep 22, 2007 8:56 am
by seanandruby
i couldn't imagine using your planer on a slab of PQ concrete. ???
Posted: Sat Sep 22, 2007 4:46 pm
by Dave_L
Tony McC wrote:Dave's boss has a big fat wallet to pay for new teeth on the planer every week!
We've used our Universal Bingham planer on concrete (to form a joint between tarmac and a concrete section when the planer was new - and 8 months down the line we are still on the original teeth!
Posted: Sat Sep 22, 2007 6:50 pm
by seanandruby
so every job you've done in 8 months the planer was used on concrete? ??? if not what percentage was it used on concrete. not knocking, just inerested. i may have to stand corrected.
Posted: Sat Sep 22, 2007 9:48 pm
by Dave_L
Oh god no, we once planed a concrete slab to accept a tarmac joint, plus it chews off the off concrete edger found on driveways etc. The pecks are still in A1 condition, not changed one yet.
99% of it's work is in tarmac.
Posted: Sun Sep 23, 2007 12:31 pm
by Tony McC
Planers are not a piece of kit I;ve ever owned. they were hired-in as needed, but as I understood it, you could get different teeth for different surfaces. One set of teeeth for HRA, a slightly different set for macadam, and a really tough set for concrete.
I think I've mentioned previously that I was asked to arrange for an area of granite setts to be planed and Wirtgen told me it was possible but the machine would have to be fitted with a special set of teeth, and it was quite likely they would be knackered by the time the whole area was planed.