Webinar instructions will be emailed before the date of the webinar.

Please log into the webinar 15 – 30 minutes before start time.

Friday, September 9, 2022
8:30 am – 4:30 pm EDT


Presented by
Jeffrey L. Snyder, PE

Types of Slopes and Failures
Natural slopes
Engineered slopes
Creep failures
Rock slides – fall/topple failures
Rotational, translational, multiple/compound failures
Spread and flow failures
Typical causes of slope failures

Brief Overview of Soil Mechanics
Soil effective pressure
Soil shear strength
Drained vs. undrained strength

Slope Stability Evaluation
Understanding geology and site conditions/topography
Evaluating surface and groundwater conditions
Basic concepts of slope stability evaluation
Limit equilibrium analysis
Stability computer programs (includes demonstration)

Slope Stabilization Methods
Use of vegetation
Surface protection
Earth retention structures
Rock slope stabilization
Shoreline management

Slope Stabilization Case Studies


 Webinar Instructions

Each webinar session earns continuing education credit and can be registered for individually. All attendees must log-on through their own email – attendees may not watch together if they wish to earn continuing education credit. HalfMoon Education Inc. must be able to prove attendance if either the attendee or HalfMoon Education Inc. is audited.

Certificates of completion can be downloaded in PDF form upon passing a short quiz. A link to the quiz will be sent to each qualifying attendee immediately after the webinar. The certificate can be downloaded from the Results page of the quiz upon scoring 80% or higher.

Webinars are presented via GoToWebinar, an easy-to-use application that can be run on most systems and tablets. Instructions and login information will be provided in an email sent close to the date of the webinar. It is highly recommended that you download, install and test the application before the webinar begins by clicking on the link in the email.

GoToWebinar App requirements:
Windows 7 – 10 or Mac OSX Mavericks (10.9) – macOS Catalina (10.15)

Web Browser:
The two most recent version of the following browsers:
Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge
Internet Explorer v11 (or later) with Flash enabled

Internet connection: Minimum of 1Mbps       Hardware: 2GB RAM or more

For more information, visit the Support section at


Professional Engineers:
6.5 PDHs

6.5 HSW CE Hours

Landscape Architects:
6.5 HSW CE Hours

International Code Council:
.65 CEUs (Sitework)

Floodplain Managers:


Continuing Education Credit Information
This seminar and webcast are open to the public and are designed to qualify for 6.5 PDHs for professional engineers, 6.5 HSW continuing education hours for licensed architects, and 6.5 HSW continuing education hours for landscape architects in Michigan.

Professionals seeking continuing education credits in other states will be able to claim the hours earned from this course, in most cases. Refer to specific state rules to determine eligibility.

HalfMoon Education is an approved continuing education sponsor for engineers in Florida (Provider No. 0004647), Indiana (License No. CE21700059), Maryland, New Jersey (Approval No. 24GP00000700) and North Carolina (S-0130). HalfMoon Education is deemed an approved continuing education sponsor for New York engineers, architects and landscape architects via its registration with the American Institute of Architects Continuing Education System (Regulations of the Commissioner §68.14(i)(2), §69.6(i)(2) and §79-1.5(i)(2)). Other states do not preapprove continuing education providers or courses.

The American Institute of Architects Continuing Education System has approved this course for 6.5 LU|HSWs (Sponsor No. J885). Only full participation is reportable to the AIA/CES.

The Landscape Architecture Continuing Education System has approved this course for 6.5 HSW PDHs. Only full participation is reportable to the LA CES.

The International Code Council has approved this event for .65 CEUs in the specialty area of Sitework (Preferred Provider No. 1232).

This course has been approved by the Association of State Floodplain Managers for 6.5 CECs for floodplain managers.

Completion certificates will be awarded to participants who complete this event and earn a passing score (80%) on the quiz that follows the presentation (multiple attempts allowed).


Jeffrey L. Snyder PE

Senior Geotechnical Engineer at GHD Services, Inc.
Mr. Snyder is a geotechnical professional for transportation, commercial, industrial and municipal projects throughout the upper Midwest including in Ohio, Michigan, Illinois, Indiana, Pennsylvania, and Kentucky. He provides analyses and recommendations for shallow and deep foundation systems as well as landslide evaluation and remediation. He has co-authored several papers on lateral loading behavior of driven pile foundations. Mr. Snyder earned his B.S. and M.S. degrees in Civil Engineering from Brigham Young University.

AIA Info

AIA Provider Statement:

HalfMoon Education Inc. is a registered provider of AIA-approved continuing education under Provider Number J885. All registered AIA/CES Providers must comply with the AIA Standards for Continuing Education Programs. Any questions or concerns about this provider of learning program may be sent to AIA/CES ( or (800) AIA 3837, Option 3).

This learning program is registered with AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product.

AIA continuing education credit has been reviewed and approved by AIA/CES. Learners must complete the entire learning program to receive continuing education credit. AIA continuing education Learning Units earned upon completion of this course will be reported to AIA/CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.

Course Title: Slope Stabilization and Landslide Prevention in the Great Lakes Region

Delivery Method: Live Online

Course Description: This 6.5-hour course is intended to assist design professionals in identifying types of slopes and failures, understanding soil mechanics, evaluating slope stability, utilizing appropriate stabilization methods, and reviewing case studies in the Great Lakes region.

Learning Objectives:

Learning Objective 1:
Learners will be able to identify types of slopes (natural, engineered) and failures (creep, topple, rotational, compound, etc.).

Learning Objective 2:
Learners will be able to evaluate slope stability by considering geology, site conditions/topography, and surface and ground water conditions, and by understanding the proper instrumentation and computer programs.

Learning Objective 3:
Learners will be able to utilize various slope stabilization methods, including unloading, buttressing, drainage, reinforcing, geosynthetics, shoreline management and use of vegetation.

Learning Objective 4:
Learners will be able to discuss soil mechanics and properties such as soil effective pressure, soil shear strength, and drained vs undrained strength.

LUs: 6.5                                                                                              LU Type: LU|HSWs.

Prerequisites: Familiarity with site design and slope analysis

Advance Preparation: None

Program Level: Intermediate

Course Expiration Date: 07/07/2025

Complaint Resolution Policy:

Complaints regarding this course can be emailed to or by calling (715) 835-5900. A HalfMoon Education representative will respond within 72 hours to resolve the complaint, which will include, but not limited to, access to another CE activity at no or reduced cost or a full or partial refund. Each instance will be resolved on a case-by-case situation.

Seminar Price: $319.00