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Culverts installation guide

CONCRETE PIPE BOX CULVERT INSTALLATION American Concrete Pipe Association ? www concrete-pipe org Table of Contents I CONCRETE PIPE INSTALLATION MANUAL Introduction PRE- CONSTRUCTION Precautions Ordering Receiving And Handling Unloading Stockpiling INSTALLATION Line And Grade Excavation Limits Excavated Material Dewatering Standard Installations Class A Bedding Class B Bedding Class C Bedding Class D Bedding Jointing Rubber Mastic Mortar Geotextile Filter Fabrics External Bands Joint Procedures Service Connections Curved Alignment Final Back ?lling Acceptance Tests Soil Density Line And Grade Visual Inspection In ?ltration Ex ?ltration Air Testing Vacuum Testing American Concrete Pipe Association ? www concrete-pipe org Joint Testing-Air Joint Testing- Water II BOX CULVERT INSTALLATION MANUAL Introduction PRE- INSTALLATION Precautions Ordering Receiving Handling Scheduling Unloading Placing Sequence Storing SITE PREPARATION Excavation Trenchwater Bedding grade INSTALLATION Box Alignment Box Placement Jointing Connecting the Boxes Completion Back ?ll Minimum Cover For Construction Loads Visual Inspection III SPECIFICATIONS IV APPENDIX De ?nitions Feet Head of Water into Pressure Pounds Per Square Inch Feet Head of Water into Kilopascals kN m American Concrete Pipe Association ? www concrete-pipe org I CONCRETE PIPE INSTALLATION MANUAL INTRODUCTION This manual presents a guide for the proper installation of concrete pipe For many years the American Concrete Pipe Association has conducted comprehensive research and analysis of the factors which a ?ect the ?eld performance of concrete pipe The knowledge and bene ?cial practices gained through research and experience are presented in this manual While focusing on the construction of the pipesoil system this manual also addresses those factors critical to the completion of the entire system from delivery of the concrete pipe to the jobsite to the acceptance of the installed pipeline This manual is intended as a guide and is not to supersede the project speci ?cations American Concrete Pipe Association ? www concrete-pipe org PRE-CONSTRUCTION PRECAUTIONS Federal regulations covering safety for all types of construction including sewer and culvert installations are published in the Safety and Health Regulations for Construction under the Department of Labor Occupational Safety and Health Administration OSHA These regulations are applicable to all prime contractors and subcontractors involved in any type of construction including alterations and repair work The installer should also review installation practices with the engineer ? s design assumptions particularly in relation to the use of trench boxes and compaction requirements of the back ?ll ORDERING RECEIVING AND HANDLING Although the ordering of materials is the contractor ? s responsibility supplier and engineer familiarity with the contractor ? s proposed schedule will enable better coordination to avoid mistakes and possible delays in pipe deliveries Pipe manufacturers stock a wide range of pipe sizes and strengths but production facilities must frequently be adapted to meet speci ?c project requirements particularly when large quantities and or special types of pipe are involved Information required to initiate a pipe order should be in writing and include ? name and location of project ? pipe size laying length and strength ? total footage of each type and size of pipe ? type