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Basic Plastics

Course Description:

The Basic Plastics Course is designed for a person who is a novice to the gas industry.  This course will give the applicant a thorough knowledge of the DOT regulations that govern the installation of plastic gas pipelines. It will familiarize them with the characteristics of natural gas and the basic safeguards that are needed to work around natural gas. Upon completion of this course the candidate should have the knowledge necessary to join plastic pipe using the Butt Fusion-Manual method and the Electrofusion method and the Mechanical methods for joining pipe 4” in diameter and less.

 

Course Topics

The following topics are covered in detail:

 

Characteristics of Natural Gas

 

· Physical Characteristic

· Chemical Composition

· Compressibility

· Combustibility

 

Safety Precautions When Dealing with Natural Gas

 

Production of Natural Gas

 

Interstate Transportation of Natural Gas

 

· Transportation across state lines

· Custody Transfer to the LDC

 

Gas Distribution Systems (LDC)

 

· Gate Stations

· Transmission Pressure Systems

· Regulator Stations (over 90 psig, upto 1350 psig)

· Transmission Loops and Spurs

· Distribution Pressure Systems

· High Pressure

· Regulator Stations (55 psig to 20 psig)

· Distribution High Pressure Pipelines (over 1 psig, up to 55 psig)

· Low Pressure

· Regulator Systems

· Distribution Low Pressure Pipelines (7.5” w.c.)

· Services

· High Pressure (Over 1 psig)

· Low Pressure (7.5” w.c.)

· Special Pressure Requirements

 

DOT Requirements (DOT CFR192)

 

· Requirements of DOT CFR Sections 192.283, 285 and 287

· Qualifications issued pursuant to Sub-part N - Operator Qualifications (OQ Rule)

 

Plastic (PE) Pipe Characteristics

 

· Polyethylene (plastic) pipe characteristics - High Density and Medium Density

· Handling polyethylene pipe

· Stress Factors - Thermal Expansion and Contraction

· Static Electricity

· Locator Wire and Warning Tape

 

Plastic (PE) Pipe Joining Basic Requirements

 

· Tools and Equipment

· Weather Conditions

 

Joining Methods

 

· Butt Fusion - Manual Method

· Electrofusion

· Mechanical Joints

· Stab Fittings (Permasert)

· Compression Fittings (Dresser Style 90)

· Bolt-on Fittings (Dresser 711)

· Fusion Failures

Phone: 703.642.9746

Fax: 703.642.9749

E-mail: info@ctsi-va.com

6800 Versar Center

Suite 430

Springfield, VA 22151

CONTRACTING & TECHNICAL SERVICES, INC.

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