Electrical Shop Drawings Course – Level I

Course Description:

This course is intended to prepare the target persons with the ability to understand the technical part of how to do shop drawings.

The targeted Persons: 

Design engineers, new graduate engineers, under graduate engineering students.


Skills Development: 

On completion of this course the target person will be able to:

• Know Electrical Symbols, Abbreviations and Device Function Numbers,

• Know Basic Elements of Electrical Drawings,

• know Types of Electrical Drawings and all data that must be included in them,

• Know types of Electrical Layouts and all data that must be included in them,

• Know Types of Electrical schedules and all data that must be included in them.

Course Outline:

1	Overview for the articles/courses that give a preliminary explanation for the different Types of Electrical drawings.
2	Electrical Drawings Glossary
3	Resources used to Read and Interpret Electrical Drawings.
4	Electrical Symbols and Abbreviations
5	Electrical Abbreviations
6	Device Function Numbers
7	Drafting Practices Using Graphical Symbols and abbreviations
8	Basic Elements of Electrical Drawings
9	Types of Electrical Drawings
	First: According To the Stage of Project	Design drawings
		Construction drawings
		Shop drawings: Part One - Part Two
		As built drawings
		Composite (Coordination) drawings
		Record drawings
	Second: According To the Drawing Purpose
	1- Electrical Diagrams
	1.1 Single-Line /One-Line Diagram	Characteristics of Single-Line Diagram
		Purposes of Single-Line Diagram
		Arrangement of Components on Single-line Diagrams
		Interpreting Single-Line Diagrams
		Informational Elements
		Point of Connection to the Utility Company
		Identification of buses, substations, generators, motors and other equipment
		Ring Main Units data
		Voltage Regulators Data
		Transformers Data
		Switchgear data
		Protective Device Ratings
		Connected Load Data
		Instrument Transformer Data
		Metering, Relaying, And Control Device Data
		Available Short Circuit Current Data
		Cable Ratings
		Bus Ratings
	1.2 Three-Line Diagram,
	1.3 Schematic Diagram, Or Elementary Diagrams,
	1.4 Connection/Wiring Diagram,
	1.5 Interconnection Diagram,
	1.6 Block Diagram,
	1.7 Logic Diagram,
	1.8 Ladder Diagrams,
	1.9 Riser Diagrams,
	1.10 Pictorial Diagrams,
	1.11 Terminal Diagram,
	1.12 Combination Diagrams,
	1.13 Electrical Arrangement Drawings,
	2- Electrical Layouts (plans),	Lighting and power Plan Drawings,
		Cable and Raceway (Conduit) Drawings,
		Ground Grid Plan,
		Equipment Layout Drawings,
		Low voltage systems Plan Drawings,
		Utility (Site) Plan,
		Underground Utility/Manhole Drawings,
		Overhead Pole Line Layout Drawings,
		Switchgear Layout Drawings,
		Motor Control Center (MCC) Layout Drawings,
		Installation Detail Drawings.
	3- Electrical Schedules.	Cable and Raceway Schedules,
		Panelboard Schedules,
		Circuit Breaker Switchgear Schedule,
		Motor Control Center (MCC) Schedule,
		Equipment Schedules,
		Lighting Fixture and Receptacle Schedules.