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The Boston Molasses Flood

COURSE NO: LE1-318I
PDH CREDIT: 1
COURSE PROVIDER: Gilbert Gedeon, P.E.
The Boston Molasses Flood
Course Highlights

This online engineering PDH interactive presentation provides a brief summary on the Boston Molasses Flood.

The Boston Molasses Disaster, commonly referred to as the Great Molasses Flood, happened on Wednesday, January 15, 1919, in Boston, Massachusetts' North End district. About 13,000 short tons of molasses, or 2.3 million U.S. gallons, were contained in a large storage tank that burst, sending a wave of molasses hurtling through the streets at an estimated 35 miles per hour, killing 21 people and injuring 150 more. Residents claimed that the area still smelled like molasses on hot summer days for decades after the incident, which became part of the local legend.

This presentation introduces the Boston Molasses flood and the causes that led to its occurrence. It discusses the aftermath of the flood and the damage that resulted from it. The presentation ends by presenting the cultural influences that the flood left behind and its ongoing impact to date.

This 1 PDH online interactive presentation is applicable to architects, structural engineers, project managers, construction and design personnel, and technical staff who are interested in gaining a better understanding of the Boston Molasses Flood.

Learning Objectives

This continuing education interactive presentation is intended to provide you with the following specific knowledge and skills:

  • Introducing the Boston Molasses Flood and its happening
  • Discussing the aftermath of the flood and the damage caused by it
  • Learning about the causes that led to the flood and the physics behind it
  • Discussing cultural influences and facts about the flood
  • Familiarizing with the context of the flood today and the lessons learnt from other non-water floods
Course Document
For this course, you will need to go through the interactive presentation "The Boston Molasses Flood". To access the presentation, you will need to log in or register and purchase the course. Following the course purchase, please click on the link provided in your account to view the presentation. The duration of this presentation is approximately 37 minutes.
This particular course document is accessible only after purchase.

Course Quiz
Once you finish watching the PDH interactive presentation, you will be redirected to your account to take a multiple-choice quiz consisting of (10) questions to earn 1 PDH credits. The quiz will be based on this interactive presentation. 
The minimum passing score is 70%. There is no time limit on the quiz, and you can take it multiple times until you pass at no additional cost.
Certificate of Completion

Upon successful completion of the quiz, print your Certificate of Completion instantly. (Note: if you are paying by check or money order, you will be able to print it after we receive your payment.) For your convenience, we will also email it to you. Please note that you can log in to your account at any time to access and print your Certificate of Completion.

To buy the course and access the video presentation, please click on: