PIPELAYER INSTALLATION TRAINING SERIES 
CHAPTER 2: EXCAVATIONS/TRENCHING/MANHOLES/BACKFILLING OUTLINE

A. Safety One Call Service Personal Protection Equip. (PPE) Overhead Lines Changing Conditions Daily Requirements Competent Person Buried Utilities Trench Protection Sloping Shoring Shielding Stacking Boxes Recognize Unsafe Trenches Establish Clear Communication Struck by Loads/Moving Objects B. Trenching Undercut Control Precise Work Coordination with Survey Checking Grade Laser Ladders Set the Pace Inspect Pipe Rigging Setting the Pipe C. Bedding Grade Bedding Preparation Proper Digouts Preventing Movement    Pipe Support Types of Bedding & Haunching

D. Backfilling Initial & Final Backfill Careful Soil Placement Compaction Moisture Content Lifts Costly Corrections Puddling/Jetting Safety Plan for Drainage Pipe Bellies E. Manhole Setting a Manhole Manhole Base Alignment Marks Rigging & Lifting Mudwork Seal Confined Spaces Rescue F. Dewatering Plan for Water Dewatering Pump Discharge Handling Pump Gasoline Pump G. Tie-Ins Shut Offs Investigations Planning your Materials Plan for Drain Water Tapping Sleeve Procedure Tie in Testing Compaction   Mark the Service Line