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TABLE OF CONTENTS <br />SECTION 2600 - STANDARD SPECIFICATIONS FOR TRENCH EXCAVATION & <br />BACKFILL/SURFACE RESTORATION 1 <br />2600.1 DESCRIPTION 1 <br />2600.2 MATERIALS 1 <br />A Granular Materials 1 <br />Al Granular Material Gradation Classifications 1 <br />A2 Granular Material Use Designations 2 <br />B Insulation 2 <br />C Geotextile Fabric 3 <br />2600.3 CONSTRUCTION REQUIREMENTS 3 <br />A General Provisions 3 <br />Al Maintenance of Traffic 3 <br />A2 Establishing Line and Grade 3 <br />A3 Protection of Surface Structures 5 <br />A4 Interference of Underground Structures 5 <br />A5 Removal of Surface Improvements 6 <br />A6 Temporary Service Measures 7 <br />B Excavation and Preparation of Trench 7 <br />B1 Operational Limitations and Requirements 7 <br />B2 Classification and Disposition of Materials 8 <br />B3 Excavation Limitations and Requirements 8 <br />B4 Sheeting and Bracing Excavations 9 <br />B5 Preparation and Maintenance of Foundations 10 <br />B6 Contaminated Materials and Regulated Wastes 11 <br />C Trenchless Pipe Installation 12 <br />Cl Jacking/Boring 12 <br />C2 Directional Boring 14 <br />D Placement of Insulation 14 <br />E Pipeline Backfilling Operations 15 <br />F Restoration of Surface Improvements 16 <br />G Maintenance and Final Cleanup 16 <br />2600.4 METHOD OF MEASUREMENT 17 <br />A Rock Excavation 17 <br />B Granular Materials 17 <br />C Geotextile Fabric 17 <br />D Insulation 17 <br />2600.5 BASIS OF PAYMENT 17 <br />SECTION 2611 - STANDARD SPECIFICATIONS FOR WATERMAIN AND SERVICE <br />LINE INSTALLATION 19 <br />2611.1 DESCRIPTION 19 <br />2611.2 MATERIALS 21 <br />