Drainage Handbook

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General Specifications 1.01 Dual Wall HDPE Perforation Patterns (PDF) 1.02 Single Wall HDPE Perforation Patterns (PDF) 1.03 Storm Water Quality Unit – EPA Phase II, Best Management Practices (PDF) 1.04 Testing of Storm Water Quality Units (PDF) 1.05 Pipe Joints & Gaskets (PDF)  Structures 2.01 Minimum and Maximum Burial Depths for HDPE Pipe per AASHTO (PDF) 2.02 Minimum and Maximum Burial Depth for ASTM F2648 Pipe (PDF) 2.03 Minimum and Maximum Burial Depths for Single Wall HDPE (PDF) 2.04 Minimum and Maximum Burial Depths for N-12 HP for Storm Drainage (PDF) 2.05 Minimum and Maximum Burial Depths for SaniTite HP (PDF)  Durability 4.01 Chemical Resistance of Polyethylene and Elastomers (PDF) 4.02 Chemical Resistance of Polypropylene and Elastomers (PDF) 4.03 Abrasion Resistance of Polypropylene (PDF)  Installation 5.01 Recommended Use for Trench Boxes (PDF) 5.02 Flowable Fill Backfill for Thermoplastic Pipe (PDF) 5.03 HDPE Pipe Repair Options (PDF) 5.04 HDPE Connections to Manholes and Structures (PDF) 5.05 Pipe Flotation (PDF) 5.06 Culvert Slipining with HDPE Pipe (PDF) 5.07 Post-Installation Deflection Testing for HDPE (PDF) 5.08 Laser Profiling of Flexible Pipe (PDF) 5.09 Utility Crossings (PDF) 5.10 Integral Bell Transition for HDPE (PDF) 5.11 Sliplining Extended Lengths with HDPE Pipe (PDF) 5.12 N-12® HP Storm Drainage Pipe Repair Options (PDF) 5.13 SaniTite® HP Sanitary Sewer Pipe Repair Options (PDF) 5.14 Culvert Sliplining and Lining of Casings with HP Pipe (PDF) 5.15 Integral Bell Transition for HP Pipe Products (PDF) 5.16 Methods for Sealing Vent Tubes (PDF) 5.17 Post Installation Testing of SaniTite® HP (PDF)  Retention / Detention 6.01 Retention/Detention System Maintenance (PDF)  Miscellaneous 7.01 Rainwater Harvesting with HDPE Pipe (PDF)