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Practical Utility Safety

Product #001-0001 —$58.00

A 360-page compendium of technical discussions and calculation aids for the electric supply and communications industries edited by Allen L. Clapp.

Seven sections on General Requirements, Grounding, Electric Supply Stations, Overhead Clearances, Strengths and Loading for Overhead Structures, Underground, and Work Practices. Primers are included to discuss concerns relating to use of system components, grounding, clearances, and strengths and loadings on structures.

Over 40 discussions of utility responsibilities, solutions to practical problems, and calculation aids, such as meeting ANSI Z535 sign standards for utility installations; area lighting code requirements; bonding messengers, neutrals and guys; improving ground resistance; supply station fences and enclosures; clearance calculation "cheat sheets"; calculating wind displacement; calculating width of rights-of-way; balancing tree trimming requirements vs. municipal tree removal standards; worker safety zone on joint-use poles; breakaway poles; location of padmounted equipment; and NESC/OSHA work practices.

see table of contents below

Excerpts from Practical Utility Safety

Product #001-0001A— $20.00

A collection of discussions that PCU Training uses in their seminars on applying the National Electrical Safety Code.

The following is a listing of the subjects covered in our Practical Utility Safety Book by chapter:

(The chapters with the * at front are contained in both the Practical Utility Safety and the Excerpts from Practical Utility Safety. Only the contents with a white background are included in the Excerpts book; those with a gray background are included only in the full book, not in the Excerpts book.)

*Chapter 1	Safety Responsibilities of Utilities: How to Use the National Electrical Safety Code
*Chapter 2	Comparison of NESC, NEC, and OSHA Standards
*Chapter 3	Use of the National Electrical Safety Code Model Rules or Statutes Model Commission Rule or State Statute Adopting the National Electrical Safety Code Model Act: Overhead High-Voltage Line Safety Act
Chapter 4	National Electrical Safety Code: Summary of Changes by Year *1997 NESC Changes
Chapter 5	Electric Power System Primer
Chapter 6	Meeting ANSI Z535 Sign Standards for Power and Communication Utility Installations
Chapter 7	Electric Shock and Heat Effects Electrical Phenomena Resistance to Electrical Flow Effects Of Current Flow Ventricular Fibrillation Electric Heat and Arc Blast Injuries Typical Cases of Resuscitation After Electrical Shock References
Chapter 8	Area Lighting Code Requirements
Chapter 9	Inspection of Utility Facilities Facilities Inspections Pole Inspections Supply Station Equipment Frequency and Consistency of Inspections When Defects are Found
Chapter 10	Design and Application of Aerial Systems Using Insulated and Covered Wire and Cable Introduction Operating Characteristics of Cables Proposed Classification System Application Summary References
Chapter 11	Safety Considerations of Aerial Systems Using Insulated and Covered Wire and Cable Introduction Calculated Charging Currents Leakage Current Tests Safety Summary Test Results: Aerial Cable Charging Current (ma) References
*Chapter 12	Power and Communication System Grounding Primer Supply Neutrals Operation of Protection Equipment Improving Earth Grounding Effectiveness Surge Protection Interconnection of Primary and Secondary Grounding References
Chapter 13	Required Bonding Grounding Messengers Bonding Guys and Messengers Bonding a Neutral to Another Neutral or an Overhead Shield Wire Bonding Messengers and Metallic Riser Coverings Bonding Padmounted Equipment Cases
Chapter 14	Multigrounded Neutral Primary and Secondary Wiring Introduction A Description of the Mutigrounded Neutral Distribution System Relative Merits of Different Systems History Early Electrical Systems Alternating Current Systems vs. Direct Current Systems Conversion of Early Transmission Systems Multigrounded Neutral Secondary Systems In Europe Early Distribution Systems MGNs and Distribution Transformer Protection Controlling Overvoltages Protecting Customer Equipment From Winding Faults Economics Converting Multigrounded to Unigrounded Distribution Current Flow on Interconnected Grounding Systems Ground Currents and Secondary Wiring Systems Unwanted Current on Building Grounding Systems Summary References
Chapter 15	Magnetic Fields From Ground Currents References
Chapter 16	Transients on Multigrounded Neutral Systems A Description of Transients Lightning Other Sources of Transients Transient Propagation and Attenuation Transient Frequency Versus Likely Origin Transients from Tree Contact Summary Reference
Chapter 17	Philosophy for Choosing Values of Impedance to Calculate Ground Fault Currents on Distribution Circuits
Chapter 18	Fences and Enclosures for Electric Supply Stations Groundline Issues Metal Fence Height Requirements Recommendations for Metal Fence Design Other Types of Fencing Recommendations for Wood Fence Design Gate Security and Fit Abutting Walls or Fences Storing Materials Near Perimeter Fences Clearances of Perimeter Fences to Energized Parts Grounding of Fence Gates Recommendations for Retractile Bonding Jumpers Barbed Wire vs. Concertina Wire Above Fence Mesh Recommendations for Concertina Use Safety Signs
Chapter 19	Clearances and Guarding of Energized Parts in Electric Supply Stations Introduction Vertical Clearances from Personnel Spaces Horizontal Clearances from Personnel Spaces Working Space Clearances Guarding
*Chapter 20	Clearances Primer Introduction Key Terms Performance Based Vertical Clearance System of 1990 to Present Vertical Clearances Crossing Clearances Historical Comparison of NESC Clearance Conditions Example of Effect of Changing Clearance Requirements ANSI/IEEE Std 738 for Calculation of Bare Overhead Conductor Temperature and Ampacity Factors Affecting Conductor Temperature Return Wave Method for Checking Sag in a Conductor Parallel Line-of-Sight Method of Measuring Sag Using a Clinometer to Measure Clearance Shape of Sag Curve Sample Sag and Tension Data Navigable Waters and Waters of Reservoir Projects Sparkover Voltages High Voltage Clearance Adders Potential Problems with 1997 Exception to NESC Rule 235C2b(1)
Chapter 21	Using Sag and Tension Programs for Design and Verification
*Chapter 22	Calculating Horizontal Wind Displacement Toward Buildings and Other Supporting Structures
Chapter 23	Calculating Widths of Rights-of-Way
Chapter 24	Special Clearances for Grain Bins, Swimming Areas, and Tanks
Chapter 25	Balancing Tree Trimming Requirements vs. Municipal Tree Removal Standards Electric Utility Construction Conductor Movement and Effects on Tree Trimming Intent and Result of Municipal Tree-Trimming Standards Typical New Line Clearance and Tree Removal Policies Problems With Line Clearance Limits Lack of Emergency Provisions Tree Removal Permits Conflicting Paragraphs National Standards Required of Utilities Safety Issues NESC Rule 218 on Tree Trimming Using Multiplex Cable and Covered Tree Wire Reliability Issues Cost and Discrimination Issues Long-Term Effects on Beautification Efforts Reasonable Tree Program Requirements Concerns
Chapter 26	Joint-Use Pole Space Requirement and Cost Allocations Main Issues in Allocating Space Format of NESC Requirements NESC Requirements and Practical Considerations Typical Joint-Use Installations Clearances Between Supply and Communication Facilities Items Allowed in the Worker Safety Zone Sag-Related Clearances Key Determinants of Vertical Clearances Summer Midspan Clearance Conditions Winter Midspan Clearance Conditions Required Pole Length Pole Loading and Required Strength Effect of Work Methods on Required Clearances Construction Standards and Make-Ready Inspections Joint-Use Rate Issues Litigation Issues Reliability and Operating Cost Issues Life Span Issues Cost Allocation Methods Usable Space Pole Height Attachments at the Top of a Pole The Worker Safety Zone Surplus Space Overlashing New Cables on Existing Messengers and Cables Installing Communication Cables in the Supply Space Communication Equipment Zone Statistical Sampling Future Problems Summary
Chapter 27	Clearances of Special Facilities Attached to Poles
Chapter 28	Overhead Strengths and Loadings Primer
Chapter 29	Guy Guards and Guy Markers
Chapter 30	Breakaway Poles Introduction National Electrical Safety Code Utility Responsibilities Ground Clearances Clearances Between Wires, Conductors, and Cables on the Same Pole Line Effect of Span Lengths on Clearances and Structural Requirements Climbability Required Grades of Construction Assumed Loadings on Structures and Supported Facilities Required Overload Capacity Factors Static Load Tests Grounding Requirements Using a Communication Messenger as an Overhead Span Guy Effect of Falling Trees Pole Life Inspections Use of Trees as Guys at Angles in a Line Breakaway Guys Summary
Chapter 31	Underground Primer
Chapter 32	Padmounted Power and Communication Equipment
Chapter 33	Grounding Options for Supply Cable in Random-Lay with Other Cables
Chapter 34	NESC/OSHA Electrical Work Practices Primer
Chapter 35	Personal Protection Against Electric Arcs Protection Requirements Electrical Arc Hazards Fabric Tests Protection Issues Arc Thermal Performance Value of Fabrics Choice of Fabrics to Match Electrical Arc Exposures Computer Programs Arc-to-Receiver Distance Heating Relationships Using Heat Data To Choose Fabric Systems Considerations for Clothing Programs for Arc Protection Resource Information
Chapter 36	NESC/OSHA Requirements When Working in a Section of a Substation or Multi-Compartment Equipment
Chapter 37	OSHA Information
*Chapter 38	List of Helpful References

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Practical Utility Safety

Excerpts from Practical Utility Safety