subContract the Earthwork including the Detour. Construction Clearing and Grubbing Roadbed Preparation, Excavation Embankment Construction Sub-base construction, and Finishing of Slopes. Sub-Contract 1: Earthwork from station 45+500 to 49+500 Leave a Comment / By admin / May 4, 2022 New Invited GradesGC-1, RC-1 to GC-5. RC-5 Username Password Only fill in if you are not human Keep me signed in Read more Free Trial Register