So , Ive now figured out HS20-44 are AASHTO loading specs for bridges. Where can I get a copy of AASHTO HB-12 - Standard Specs. For Highways and Bridges ?
We have a duct bank crossing a road at 4 ft. wide. I have been asked to approve the specs for this temporary traffic plate used to protect cable trenches (from city traffic) while the concrete cures. This plate will support traffic of all variations during a week long task at that part of the...
I am currently preparing Substation SPCC plans for some clients and am interested on input from others on the subject. I have been preparing SPCC plans for 3 years now, but that is not my specialty. I recently read that secondary oil containment (other than conrete O.C. basins) was defined as...
I am currently preparing Substation SPCC plans for some clients and am interested on input from others on the subject. I have been preparing SPCC plans for 3 years now, but that is not my specialty. I recently read that secondary oil containment (other than conrete O.C. basins) was defined as...