August 3, 2023: Horizontal Directional Drilling for Pipelines Design Example and Stress Analysis Workshop
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Author: David Willoughby
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Level: Advanced
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Study time: 4 hours
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Course overview
A key aspect of HDD design is determining the design approach and bore path profile for the crossing. Based on the proper approach, the bore path is designed to negotiate the obstacles the crossing will encounter. This webinar will provide training related to selecting the HDD design approach and the proper design of the HDD bore path while considering accuracy implications, surface and subsurface conditions and impacts on HDD design. This webinar also provides technical information on product pipe stress analysis. The webinar includes design calculations with examples. After presenting and discussing the HDD design material, we will look at a class HDD design project using the applicable HDDPT modules.
PDH Certificate included upon successful completion
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Course Outline
HDD Design Approach- Basic Principles
- Drilled Path Design
- Directional Accuracy and Tolerances
- Multiple Line
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Surface Conditions
- Work Area Conditions
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Subsurface Conditions
- Soil Performance
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HDD Stress Analysis for Steel Pipelines
- Pre-Installation
- Installation
- Operating
- Allowable Stress Limits
- Perform Class HDD Design Project
- Demonstration of the Applicable Modules in HDD PowerTool
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HDD Stress Analysis for Plastic Pipelines
- Pullback Loads
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David Willoughby
HDD and Cathodic Protection Design SME, Former Director RK&K
ABOUT David
David Willoughby has 40 years of experience in engineering, pipeline design, corrosion control, and management in the petroleum and utilities pipeline industry. His experience includes gas transmission and distribution systems, petroleum facilities, and water/sewer pipelines from conception through design, construction and testing, economic evaluation, and project field supervision. Mr. Willoughby has been responsible for the design, permitting, inspection, and construction administration of numerous horizontal directional drills (HDD) on pipeline projects. He is the author of several articles and two books published by McGraw-Hill, The Plastic Piping Handbook (2002) and Horizontal Directional Drilling (2005).
Mr. Willoughby provides HDD training to the pipeline and utility industries. He has presented at the engineering workshop at N.C. Utilities Commission Office of the Pipeline Safety Conference and the Southern Gas Association Annual Conference. Mr. Willoughby’s HDD training is used to provide Professional Development Hours (PDU) for professional engineers in many states, including Texas.
Mr. Willoughby provides HDD training to the pipeline and utility industries. He has presented at the engineering workshop at N.C. Utilities Commission Office of the Pipeline Safety Conference and the Southern Gas Association Annual Conference. Mr. Willoughby’s HDD training is used to provide Professional Development Hours (PDU) for professional engineers in many states, including Texas.
