NM CID GF-4 Practice Questions - New Mexico CID GF-4 Drainage Or Flood Control Systems Contractor Examination Exam

Pave first, then trench through the new pavement, then test, then bed the pipe Locate utilities, excavate and support the trench, bed, lay and join pipe, place pipe-zone backfill, test as required, then complete backfill and surface restoration Lay pipe on the ground surface and backfill later if it looks low Hydrostatic test before the bells are cleaned or the joints are made