This is what happened prior to bid.
The documents can out with a 20% maximum passing the 200 sieve and included a geotechnical report indicating the native soils had around 50%. I contacted them and brought the conflict to their attention. They changed the documents via addendum to 35%...
I have a project that requires all the roadway fill to have less than 35% passing the 200 sieve. The plant asphalt roadway pavement design is a CBR of 1. The fill depth is about 5' and is compacted to 100% standard.
The on site materials have about 50% passing the 200 sieve. The geotechnical...
Thanks Ron
The 3" minimum has been discussed, but to which bar. The rod buster is burying a bar to facilitate placement.
but only having + tolerances the design "d" is reduced. So I would think it would be better to sacrifice a little on the cover. This situation is a mat slab on grade.
I am a project manager on a waterwater treatment project and the inspector (construction manager in this case) and myself have had some issues over rebar clearence. He thinks more clearance is better.
e.g. On Mat slabs, the inspector instructed us to shorten the rebar standees height to create...