It's for restoration of a Right of Way so ditch backfill and final grade is complete. They're restoring the ROW to original grade so hauling in native material to replace. I agree with you both that 50% is simply unacceptable, nor is it justifiable. It's simply an excuse to balloon their...
Generally no it doesn't matter. That's valid. However in this case I'm trying to validate, or at least give some credibility or lack thereof, to a contractor estimate. Doing restoration in very steep mountains where they're running their own crushers and spillage is very commonplace. They...
Sure. Waste factor is how much of the material will be wasted during application or transport. For example, hydroseeding, if using a spray method, will have bad seed or overspray or birds eat it or whatever. So I'm seeing a 20% estimate from one of my contractors. Aggregate, lets say you've...
Looking to see if anyone knows the industry standard for waste factors on pipeline ROW restoration. I.e.:
% WF hydroseeding
% WF aggregate materials
etc.
Thanks!!
