. >> a new report says those same types of rods were used on the richmond san rafael bridge laura anthony laura? >> issue is not the integrity of the richmond san rafael bridge what. is good for the bridge may not work that well for this bridge. the new eastern span of the bay bridge. tension is going to be greater. >> casts a cloud over caltrans.t( >> berkeley mayor says new revelations about the decision making behind the use of certain bolts on the new bay bridge are troubling. >> the whole chain of events led up to the fact that is set to go ahead and use the bolts calls in a question of the operation on the way they looked at this. >> tuesday, caltrans released documents revealing engineers were persuade bid a steel supplier dies oncorporation to use risky rods in the new bridge because the same type had been successful fully installed in parts of the richmond san rafael bridge. on the bay bridge, bolts will be tightened to a level seven times greater. in march, caltrans revealed 32 bolts snapped. in a statement the spokesman said, quote, we're in the middle of ongoing testing of hzv