Johnston Builders uses GradeBeam to manage tenders for all of it’s projects. In order to view project documentation and bid on current tenders your company must be a member of the site, there is no cost involved with this process. If you are already a member, click the logo below to be redirected to the GradeBeam website. If you are not already a member, please click the Subcontractor Information Form below to download this document. This form must be completed and forwarded to our office so an invitation can be sent to view the tender information.