I am presently on a job that has three bridges all three are structural beam frame. The contractor needs to get welders certified for the metal deck. What is the difference between the two specification on welding deck?
Can the welders be certified D1.3 and be ok?
Also one of the bridges...
Hello Everyone,
I have a problem with soil from the lab to the field. The lab ran Astm D698 which is generally specified for this area. (East Tennessee) The lab has run 3 different sample on the same material and they are getting a PCF of 83.0lbsb@35+ moisture. In the field I am getting...