I worked on a wood stave penstock replacement. The only economical pipe was spiral rib steel pipe. We used bolted angle flange joints with rubber gasket. The flange joints were welded to the sprial rib pipe. This job was 20+ years ago, but as I recall the pipe was 60" bituminous coated...
Construction techniques, mix designs, curing rates, weather, etc. are all factors that will affect how a slab cures. If you are not already aware of this site/program, check it out.
Hyperpav.com
I definitely wouldn't combine the two. The french drain is sitting in drain rock. Water can't get into the pipe until it builds up in the drainrock to the level of holes in the perforated pipe. If you connect the two, you will be filling up the drain rock to what ever level the pipe is...
ACTrafficengr
Exactly, if you have deep ruts, fill them or grind down to a flat surface first.
Also, worth mentioning, which alot of designers don't fully understand. Some grinders (rotomills) also have automatic grade controls. They can be dialed in to grind off material at a constant cross...
If I understand your question correctly, why specify a method (a fully automatic paver) when you have an end result spec (a profilograph or straightedge spec)? The answer is because you want a finished product which meets your ride tolerance and with a minimal amount of grinds to get it...
A bumpy ride can be caused by any number of issues. Typically specifications include a straight edge spec or a profilograph spec to describe what level of bumpiness is acceptable. If you don’t have this spec, you are likely stuck with a bumpy project.
Before you have a chance of figuring...
