Text on the drawing
A. COORDINATE PIPE DEPTH WITH BUILDING FOOTING DEPTH, AND DEPTHS OF OTHER BUILDING SERVICES. B. COORDINATE EXCAVATION BURIAL WITH CIVIL AND STRUCTURAL PRIOR TO INSTALLATION. GENERAL NOTES: HDPE JACKET (TYP) GRADE TRENCH WALL UNDISTURBED EARTH 1. 24" MIN. OF SELECT BACKFILL. 2. 6" SAND OVER TOP OF JACKET. 3. 6" SAND BED IN BOTTOM OF TRENCH. NOTES: CARRIER PIPE (TYP) 6" MIN 6" MIN 1 2 3 NONE 1 INSULATED BURIED PIPE TRENCH SECTION
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