Summary
Highlights
Material Safety Data Sheets and Confined Space Monitoring00:05:35
MSDS stands for Material Safety Data Sheet. The person responsible for monitoring a permit-required confined space is called a monitor.
Plumbing Level Terminology00:06:10
A small level used by plumbers is known as a torpedo level.
Tools for Cutting Threaded Rod and Isometric Views00:00:24
A portable band saw is used to efficiently cut threaded rod. Horizontal lines in an isometric view are drawn at a 30-degree angle from true horizontal.
Blueprint Interpretation and Drawing Conventions00:01:00
Interpreting a blueprint with a 1/8-inch scale means 1/8 inch equals 1 foot. A hot water pipe is reflected by a bold line with two dashes. Riser diagrams can be illustrated using either a side view or an isometric view.
Plain View, Drafting, and Copper Pipe Types00:01:58
A plain view in a blueprint is a view from above looking down. An isometric drafting triangle can create various drawing elements. The four common types of copper pipe are identified as M, L, K, and DWV.
Ball Valve Functions and Safety Terminology00:02:53
Information regarding a ball valve's functions is provided in the video. LFL stands for 'lower flammable limit'. The maximum concentration a worker can be exposed to is known as their individual tolerance level.
Confined Space Oxygen Levels and Ladder Safety00:03:47
The safe oxygen level in a confined space is between 18.5% and 23.5%. An extension ladder must extend at least 3 feet above a roof.
Trench Safety and OSHA Definitions00:04:25
Excavated soils should not be placed closer than 2 feet from the edge of a trench. OSHA stands for Occupational Safety and Health Administration.
Safety Equipment and Burn Classification00:05:04
PPE means Personal Protective Equipment. The most severe burn is classified as third-degree.