After talking with my LWS, they stock E11018 and was encouraging me to purchase that(most likely because it's in stock and they can deliver quickly). They also made note that they can get the 100ksi fillers in a FCAW wire for us, so that is good to know seeing that there are hundreds of moment connections on this project.
After digging in the contract dwgs a bit further yesterday evening, we found on the general notes page where they specify that all welding is to be done with E70XX electrodes...LOL. Now with the (seemingly) conflicting notes specifying 70ksi and 100ksi in different places in the notes, I suppose if we persue this project, I need to write an RFI to get this mess cleared up. Also noted was SS 1/2" continuous bent plate, bent way past 90° in several of the sections cut through the building along the roof and exterior. That is something that will have to be addressed as well. We have never had any bent plate that bent past 90° not crack on the outside of the bend. Lots of other issues with this bid that we are not comfortable with as well....so this project may get passed on and not bid at all. No delivery schedule nailed down yet, so...unless it delivers next year, we can't do it anyway due to the back log that is on the books.