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Selected papers from Pipelines 2020, held in San Antonio, Texas, August 9–12, 2020. Sponsored by the Utility Engineering and Surveying Institute of ASCE.This collection contains 65 peer-reviewed papers on the condition assessment, construction, rehabilitation, and trenchless installation of pipelines.Topics include: trenchless rehabilitation; condition assessment; siphons; tunneling; horizontal directional drilling (HDD); and construction project case studies.This valuable resource for practitioners and researchers covers the most current state-of-the-art engineering technologies for pipeline and utilities infrastructure and engineering surveying.

Pipelines. --- Pipelines --- Rehabilitation --- Trenchless technology --- Construction management --- Infrastructure construction --- Utilities --- Surveys (non-geomatic) --- Drilling --- Texas --- United States

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Prepared by the Horizontal Directional Drilling Design Guideline Task Committee of the Technical Committee on Trenchless Installation of Pipeline Systems of the Pipeline Division of ASCE This Manual of Practice addresses the design of major pipeline or duct segments to be installed by horizontal directional drilling (HDD). HDD is a trenchless excavation method that is accomplished in three phases and uses a specialized horizontal drilling rig with ancillary tools and equipment. Topics include predesign surveys, drilled path design, pipe design, construction impact, and as-built documentation. This new edition captures advances in drilling equipment, improvements for tracking, and considerations for using alternative pipe materials. MOP 108 is a guide for design engineers who have previous experience and knowledge of the HDD installation process and pipeline design methods.

Directional drilling. --- Pipelines --- Drilling --- Pipeline design --- Pipelines --- Pipe materials --- Trenchless technology --- Surveys (non-geomatic) --- Construction management --- Professional societies --- Design and construction.

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Prepared by the Task Committee on Contaminated Ground Water Modeling of the Committee on Ground Water Quality of the Environmental Engineering Division of ASCE. Quality of Ground Water assesses widely used models of contaminated ground water. Based on a survey of the professional community to determine which models are in frequent use, the models were classified according to a unified set of criteria. The Manual presents guidelines for the application of the models that include the capabilities and limitations of each model.

Groundwater --- Groundwater quality --- Groundwater pollution --- Water quality --- Surveys (non-geomatic) --- Groundwater management --- Hydrographic surveys --- Water pollution --- Professional societies --- Quality --- Mathematical models.

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Sponsored by the Geomatics Division of ASCE and the National Geodetic Survey of the U.S. National Oceanic and Atmospheric Administration. CORS and OPUS for Engineers describes new global positioning system (GPS) technologies and procedures that are immediately relevant to civil engineering professionals engaged in high-accuracy positioning. This collection of 22 articles, half new and half previously published in peer-reviewed journals, assembles the latest thinking on the use of two advanced services-CORS and OPUS-for obtaining accurate positional coordinates. Created and managed under the auspices of the National Geodetic Survey, the CORS (continuously operating reference stations) network contains more than 1,600 permanent, geodetic-quality receivers that collect GPS data around the clock at locations distributed throughout the United States, its territories, and a few foreign countries. These data are then made freely available to the public via the Internet. OPUS (online positioning user service) is a free, automated, Web-based utility that provides its users with accurate and reliable positional coordinates in a timely fashion by processing each user's GPS data with corresponding data from the CORS network. Together, CORS and OPUS form the backbone of today's high-accuracy, three-dimensional positioning activities. Both theoretical and empirical, this collection is a must-have for practitioners and researchers involved in surveying, GIS, remote sensing, and mapping applications that utilize GPS technology.

Surveying --- Global Positioning System. --- Geomatics --- Geographic information systems --- Geodetic surveys --- Global navigation satellite systems --- Mapping --- Internet --- Surveys (non-geomatic) --- Utilities --- Surveying methods --- Computer software --- United States --- Ohio --- Computer programs.